import java.util.*; import java.util.zip.*; import java.util.List; import java.util.regex.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.concurrent.locks.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; import javax.swing.table.*; import java.io.*; import java.net.*; import java.lang.reflect.*; import java.lang.ref.*; import java.lang.management.*; import java.security.*; import java.security.spec.*; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.imageio.*; import java.math.*; import java.text.NumberFormat; import static x30_pkg.x30_util.DynamicObject; import java.text.SimpleDateFormat; import java.nio.charset.Charset; class main { static class ContinuousOscillators { boolean debug = false; int channels = 1; double sampleRate = 48000; double currentSample; IQuerySound sound; IAudioSample audio; SlidingWindow window; boolean renderUsingSine = false; // or square wave boolean realOnly, imagOnly; // for testing double maxRelFreq = 0.25; // maximum oscillator frequency relative to sample rate long haarFeaturesChecked; class Oscillator extends HasKey { Oscillator() {} double currentPeriodStart; // all recorded intensities TreeMap> intensities = new TreeMap(); double interval; // length of period in samples Oscillator(Frequency f) { super(f); interval = frequency().interval()*sampleRate; } Frequency frequency() { return key(); } double interval() { return interval; } void record_impl(DoubleRange r, Channels c) { intensities.put(r, c); } void measure() { DoubleRange p1 = doubleRangeWithLength(currentPeriodStart, interval); AudioHaarFeature haar = new AudioHaarFeature(audio, p1); record(this, p1, haar.getComplex()); haarFeaturesChecked += 2; schuleNextOscillation(); } void initial() { completionsForSample.put(currentPeriodStart, this); } void schuleNextOscillation() { completionsForSample.put(currentPeriodStart = phase360(), this); } double phase360() { return currentPeriodStart + interval(); } } // end of Oscillator TreeHasKeyMap oscillators; TreeMultiMap completionsForSample = new TreeMultiMap(); ContinuousOscillators() {} ContinuousOscillators(IAudioSample audio, double currentSample) { this.currentSample = currentSample; setAudio(audio); } ContinuousOscillators(IAudioSample audio) { setAudio(audio); } // start at time 0 void setFrequencies(Iterable frequencies) { oscillators = new TreeHasKeyMap(map(f -> new Oscillator(f), filter(frequencies, f -> between(f.get(), 1, sampleRate*maxRelFreq)))); } void setAudio(IAudioSample audio) { this.audio = audio; window = optCast(SlidingWindow.class, audio); } int nFrequencies() { return oscillators.size(); } void startOscillators() { for (var o : oscillators) o.initial(); } void stepTo(DoubleRange timeRange) { while (true) { ping(); Double t = firstKey(completionsForSample); if (t != null && t <= timeRange.end) { var list = completionsForSample.getAndClear(t); if (debug) printVars ("t", t, "list", list); for (Oscillator o : list) o.measure(); } else break; } } void record(Oscillator o, DoubleRange r, Channels c) { if (o == null) return; o.record_impl(r, c); } Frequency lowestFrequency() { return oscillators.firstKey(); } Frequency highestFrequency() { return oscillators.lastKey(); } int minWindowSize() { return iceil(sampleRate*lowestFrequency().interval()); } void makeSmallestWindow(IQuerySound sound) { this.sound = sound; setAudio(new SlidingWindow(channels, sampleRate, sound, 0, minWindowSize())); } void makeFullWindow(IQuerySound sound, IntRange r) { this.sound = sound; setAudio(new SlidingWindow(channels, sampleRate, sound, r.start, r.length())); } double windowSize() { return window.length(); } String stats() { return renderVars("audio", audio, "haarFeaturesChecked", haarFeaturesChecked); } // how much horizontal area have we covered List coverageByFreq() { return mapReversed(oscillators, o -> totalLengthOfDoubleRanges(keys(o.intensities))); } DoubleRange windowBounds() { return window.bounds(); } IIntegralImage imageColumn(DoubleRange timeRange) { int n = nFrequencies(); double[] col = rawImageColumn(timeRange); double[] col2 = normalizeDoubles(col, 255); return bwIntegralImageFromFunction(1, n, (x, y) -> ifloor(col2[y])); } double[] rawImageColumn(DoubleRange timeRange) { int n = nFrequencies(); var l = reversedList(oscillators); double[] col = new double[n]; for (int y = 0; y < n; y++) { TreeMap> l2 = l.get(y).intensities; // find right period DoubleRange period = l2.floorKey(timeRange); if (period == null) continue; double amplitude = l2.get(period).first().abs(); col[y] = amplitude; } return col; } MakesBufferedImage imageForWindow(double pixelsPerSecond) { List images = new ArrayList(); double len = windowBounds().length()/sampleRate; int pixels = iround(len*pixelsPerSecond); for (int i = 0; i < pixels; i++) { DoubleRange range = doubleRange( i/pixelsPerSecond*sampleRate+windowBounds().start(), (i+1)/pixelsPerSecond*sampleRate+windowBounds().start()); //print(+range); images.add(imageColumn(range)); } return mergeBWImagesHorizontally(map(__17 -> toBWImage(__17), images), "spacing" , 0); } double[] toAudio(IntRange sampleRange) { return toAudio(sampleRange, oscillators); } double[] toAudio(IntRange sampleRange, Iterable oscillatorsToRender) { double[] samples = new double[l(sampleRange)]; class PerFreq { Oscillator o; DoubleRange period; Channels intensity; PerFreq(Oscillator o) { this.o = o; setPeriod(o.intensities.floorKey(toDoubleRange(sampleRange))); //printVars("PerFreq", f := o.frequency(), +sampleRange, +period, firstPeriod := firstKey(o.intensities)); } void setPeriod(DoubleRange period) { this.period = period; intensity = period == null ? null : o.intensities.get(period); } void nextPeriod(double t) { while (period != null && t >= period.end) setPeriod(o.intensities.higherKey(period)); } } List perFreqs = map(oscillatorsToRender, o -> new PerFreq(o)); for (int i = 0; i < l(samples); i++) { double t = sampleRange.start+i; // t is time in samples double sum = 0; for (var pf : perFreqs) { pf.nextPeriod(t); boolean shouldPrint = toAudio_shouldPrint(i, l(samples)); if (pf.intensity != null) { Complex c = div(pf.intensity.first(), l(pf.period)); double t2 = t-pf.period.start; double frac = t2/pf.o.interval; //double phiRE = frac*pi()*2; //double phiIM = phiRE+pi()/2; if (shouldPrint) printVars("f" , pf.o.frequency(), "i", i, "interval" , formatDouble1(pf.o.interval)/*, interval2 := l(pf.period)*/, "t", t, "t2", t2, "frac" , formatDouble2(frac), "c" , renderComplexWithAngle(div(c, 32768))); if (realOnly) c = complex(c.re()); else if (imagOnly) c = complex(0, c.im()); sum += renderFrequencySample(c, frac); } else if (shouldPrint) printVars("f" , pf.o.frequency(), "i", i, "interval" , pf.o.interval, "t", t, "c" , 0); } samples[i] = sum; } return samples; } double renderFrequencySample(Complex c, double frac) { return (renderUsingSine ? new RenderFrequencySample_Sine() : new RenderFrequencySample_SquareWave()).get(c, frac); } transient IF2 toAudio_shouldPrint; boolean toAudio_shouldPrint(int i, int n) { return toAudio_shouldPrint != null ? toAudio_shouldPrint.get(i, n) : toAudio_shouldPrint_base(i, n); } final boolean toAudio_shouldPrint_fallback(IF2 _f, int i, int n) { return _f != null ? _f.get(i, n) : toAudio_shouldPrint_base(i, n); } boolean toAudio_shouldPrint_base(int i, int n) { return false; } } static DoubleRange doubleRangeWithLength(double start, double len) { return new DoubleRange(start, start+len); } static List record_list = synchroList(); static void record(Object o) { record_list.add(o); } static List map(Iterable l, Object f) { return map(f, l); } static List map(Object f, Iterable l) { List x = emptyList(l); if (l != null) for (Object o : l) { ping(); x.add(callF(f, o)); } return x; } static List map(Iterable l, F1 f) { return map(f, l); } static List map(F1 f, Iterable l) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(callF(f, o)); } return x; } static List map(IF1 f, Iterable l) { return map(l, f); } static List map(Iterable l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(f.get(o)); } return x; } static List map(IF1 f, A[] l) { return map(l, f); } static List map(A[] l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(f.get(o)); } return x; } static List map(Object f, Object[] l) { return map(f, asList(l)); } static List map(Object[] l, Object f) { return map(f, l); } static List map(Object f, Map map) { return map(map, f); } // map: func(key, value) -> list element static List map(Map map, Object f) { List x = new ArrayList(); if (map != null) for (Object _e : map.entrySet()) { ping(); Map.Entry e = (Map.Entry) _e; x.add(callF(f, e.getKey(), e.getValue())); } return x; } static List map(Map map, IF2 f) { return map(map, (Object) f); } // new magic alias for mapLL - does it conflict? static List map(IF1 f, A data1, A... moreData) { List x = emptyList(l(moreData)+1); x.add(f.get(data1)); if (moreData != null) for (A o : moreData) { ping(); x.add(f.get(o)); } return x; } static List filter(Iterable c, Object pred) { if (pred instanceof F1) return filter(c, (F1) pred); List x = new ArrayList(); if (c != null) for (Object o : c) if (isTrue(callF(pred, o))) x.add(o); return x; } static List filter(Object pred, Iterable c) { return filter(c, pred); } static List filter(Iterable c, F1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (pred.get(o)) x.add(o); return x; } static List filter(F1 pred, Iterable c) { return filter(c, pred); } //ifclass IF1 static List filter(Iterable c, IF1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (pred.get(o)) x.add(o); return x; } static List filter(B[] c, IF1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (pred.get(o)) x.add(o); return x; } static List filter(IF1 pred, Iterable c) { return filter(c, pred); } //endif static boolean between(long x, long min, long max) { return isBetween(x, min, max); } static boolean between(double x, double min, double max) { return isBetween(x, min, max); } static A optCast(Class c, Object o) { return isInstance(c, o) ? (A) o : null; } //sbool ping_actions_shareable = true; static volatile boolean ping_pauseAll = false; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions = false; static Map ping_actions = newWeakHashMap(); static ThreadLocal ping_isCleanUpThread = new ThreadLocal(); // always returns true static boolean ping() { //ifdef useNewPing newPing(); //endifdef if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */); //ifndef LeanMode ping_impl(); endifndef return true; } // returns true when it slept static boolean ping_impl(boolean okInCleanUp) { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { // don't allow sharing ping_actions if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get())) failIfUnlicensed(); Object action = null; synchronized(ping_actions) { if (!ping_actions.isEmpty()) { action = ping_actions.get(currentThread()); if (action instanceof Runnable) ping_actions.remove(currentThread()); if (ping_actions.isEmpty()) ping_anyActions = false; } } if (action instanceof Runnable) ((Runnable) action).run(); else if (eq(action, "cancelled")) throw fail("Thread cancelled."); } return false; } catch (Exception __e) { throw rethrow(__e); } } static A firstKey(Map map) { return first(keys(map)); } static A firstKey(MultiMap map) { return map == null ? null : firstKey(map.data); } // Use like this: printVars(+x, +y); // Or: printVars("bla", +x); // Or: printVars bla(, +x); static void printVars(Object... params) { printVars_str(params); } static int iceil(double d) { return (int) Math.ceil(d); } // Use like this: renderVars(+x, +y) // Or like this: renderVars SomeID(+x, +y) static String renderVars(Object... params) { return renderVars_str(params); } static List mapReversed(Iterable l, IF1 f) { return map(reversed(l), f); } static List mapReversed(IF1 f, Iterable l) { return mapReversed(l, f); } static double totalLengthOfDoubleRanges(Iterable l) { double sum = 0; for (DoubleRange r : unnullForIteration(l)) sum += r.length(); return sum; } static Set keys(Map map) { return map == null ? new HashSet() : map.keySet(); } // convenience shortcut for keys_gen static Set keys(Object map) { return keys((Map) map); } static Set keys(MultiMap mm) { return mm.keySet(); } static String nFrequencies(long n) { return n2(n, "frequency", "frequencies"); } static String nFrequencies(Collection l) { return nFrequencies(l(l)); } static String nFrequencies(Map map) { return nFrequencies(l(map)); } static double[] normalizeDoubles(double[] l) { return normalizeDoubles(l, 1); } static double[] normalizeDoubles(double[] l, double targetMax) { double factor = normalizationFactor(l, targetMax); return doubleMul(l, factor); } // f: (x, y) -> 0..255 // TODO: optimize!! static BWIntegralImage bwIntegralImageFromFunction(int w, IF2_Int f) { return bwIntegralImageFromFunction(w, w, f); } static BWIntegralImage bwIntegralImageFromFunction(int w, int h, IF2_Int f) { byte[] pixels = new byte[w*h]; int i = 0; for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) pixels[i++] = (byte) f.get(x, y); return new BWIntegralImage(new BWImage(w, h, pixels)); } static int ifloor(double d) { return (int) Math.floor(d); } static IntRange ifloor(DoubleRange r) { return r == null ? null : intRange(ifloor(r.start), ifloor(r.end)); } static List reversedList(Iterable l) { List x = cloneList(l); Collections.reverse(x); return x; } static int iround(double d) { return (int) Math.round(d); } static int iround(Number n) { return iround(toDouble(n)); } static DoubleRange doubleRange(double start, double end) { return new DoubleRange(start, end); } static BWImage mergeBWImagesHorizontally(BWImage... images) { return mergeBWImagesHorizontally(toList(images)); } static BWImage mergeBWImagesHorizontally(List images, Object... __) { if (empty(images)) return null; int spacing = optPar("spacing", __, imageMergeSpacing()); float spaceColor = toFloat(optPar(__, "spaceColor", 0.9f)); int w = intSum(images, "width")+(l(images)-1)*spacing, h = intMax(images, "height"); BWImage out = new BWImage(w, h, spaceColor); int x = 0; for (int i = 0; i < l(images); i++) { BWImage img = images.get(i); int y = (h-img.h())/2; copyBWImage(img, 0, 0, out, x, y); x += img.w() + spacing; } return out; } static BWImage toBWImage(RGBImage img) { return toBW(img); } static BWImage toBWImage(BufferedImage img) { return img == null ? null : new BWImage(img); } static BWImage toBWImage(MakesBufferedImage img) { if (img == null) return null; if (img instanceof BWImage) return ((BWImage) img); return new BWImage(toBufferedImage(img)); } static int l(Object[] a) { return a == null ? 0 : a.length; } static int l(boolean[] a) { return a == null ? 0 : a.length; } static int l(byte[] a) { return a == null ? 0 : a.length; } static int l(short[] a) { return a == null ? 0 : a.length; } static int l(long[] a) { return a == null ? 0 : a.length; } static int l(int[] a) { return a == null ? 0 : a.length; } static int l(float[] a) { return a == null ? 0 : a.length; } static int l(double[] a) { return a == null ? 0 : a.length; } static int l(char[] a) { return a == null ? 0 : a.length; } static int l(Collection c) { return c == null ? 0 : c.size(); } static int l(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible static int l(Map m) { return m == null ? 0 : m.size(); } static int l(CharSequence s) { return s == null ? 0 : s.length(); } static long l(File f) { return f == null ? 0 : f.length(); } static int l(Object o) { return o == null ? 0 : o instanceof String ? l((String) o) : o instanceof Map ? l((Map) o) : o instanceof Collection ? l((Collection) o) : o instanceof Object[] ? l((Object[]) o) : o instanceof boolean[] ? l((boolean[]) o) : o instanceof byte[] ? l((byte[]) o) : o instanceof char[] ? l((char[]) o) : o instanceof short[] ? l((short[]) o) : o instanceof int[] ? l((int[]) o) : o instanceof float[] ? l((float[]) o) : o instanceof double[] ? l((double[]) o) : o instanceof long[] ? l((long[]) o) : (Integer) call(o, "size"); } static int l(IntRange r) { return r == null ? 0 : r.length(); } static double l(DoubleRange r) { return r == null ? 0 : r.length(); } static int l(HalfLongs l) { return l == null ? 0 : l.size(); } static DoubleRange toDoubleRange(IntRange r) { return intToDoubleRange(r); } static String div(Object contents, Object... params) { return hfulltag("div", contents, params); } static String div() { return div(""); } static BigInteger div(BigInteger a, BigInteger b) { return a.divide(b); } static BigInteger div(BigInteger a, int b) { return a.divide(bigint(b)); } static Complex div(Complex a, double b) { return new Complex(a.re/b, a.im/b); } static double div(double a, double b) { return a/b; } static String formatDouble1(double d) { return formatDouble(d, 1); } static String formatDouble2(double d) { return formatDouble(d, 2); } static String renderComplexWithAngle(Complex c) { return c == null ? "null" : c.abs() + " at " + formatDouble(c.angle()*(180/pi()), 1) + "°"; } static Complex complex(double re, double im) { return new Complex(re, im); } static Complex complex(double re) { return new Complex(re, 0.0); } static Complex complex(double[] reIm) { if (empty(reIm)) return null; if (l(reIm) != 2) throw fail("Need 2 doubles to make complex number"); return complex(reIm[0], reIm[1]); } static List synchroList() { return synchroList(new ArrayList()); } static List synchroList(List l) { return Collections.synchronizedList(l); } static ArrayList emptyList() { return new ArrayList(); //ret Collections.emptyList(); } static ArrayList emptyList(int capacity) { return new ArrayList(max(0, capacity)); } // Try to match capacity static ArrayList emptyList(Iterable l) { return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList(); } static ArrayList emptyList(Object[] l) { return emptyList(l(l)); } // get correct type at once static ArrayList emptyList(Class c) { return new ArrayList(); } static Map> callF_cache = newDangerousWeakHashMap(); static A callF(F0 f) { return f == null ? null : f.get(); } static B callF(F1 f, A a) { return f == null ? null : f.get(a); } static A callF(IF0 f) { return f == null ? null : f.get(); } static B callF(IF1 f, A a) { return f == null ? null : f.get(a); } static C callF(IF2 f, A a, B b) { return f == null ? null : f.get(a, b); } static void callF(VF1 f, A a) { if (f != null) f.get(a); } static Object callF(Runnable r) { { if (r != null) r.run(); } return null; } static Object callF(Object f, Object... args) { if (f instanceof String) return callMCWithVarArgs((String) f, args); // possible SLOWDOWN over callMC return safeCallF(f, args); } static Object safeCallF(Object f, Object... args) { if (f instanceof Runnable) { ((Runnable) f).run(); return null; } if (f == null) return null; Class c = f.getClass(); ArrayList methods; synchronized(callF_cache) { methods = callF_cache.get(c); if (methods == null) methods = callF_makeCache(c); } int n = l(methods); if (n == 0) { throw fail("No get method in " + getClassName(c)); } if (n == 1) return invokeMethod(methods.get(0), f, args); for (int i = 0; i < n; i++) { Method m = methods.get(i); if (call_checkArgs(m, args, false)) return invokeMethod(m, f, args); } throw fail("No matching get method in " + getClassName(c)); } // used internally static ArrayList callF_makeCache(Class c) { ArrayList l = new ArrayList(); Class _c = c; do { for (Method m : _c.getDeclaredMethods()) if (m.getName().equals("get")) { makeAccessible(m); l.add(m); } if (!l.isEmpty()) break; _c = _c.getSuperclass(); } while (_c != null); callF_cache.put(c, l); return l; } // unclear semantics as to whether return null on null static ArrayList asList(A[] a) { return a == null ? new ArrayList() : new ArrayList(Arrays.asList(a)); } static ArrayList asList(int[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (int i : a) l.add(i); return l; } static ArrayList asList(long[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (long i : a) l.add(i); return l; } static ArrayList asList(float[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (float i : a) l.add(i); return l; } static ArrayList asList(double[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (double i : a) l.add(i); return l; } static ArrayList asList(short[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (short i : a) l.add(i); return l; } static ArrayList asList(Iterator it) { ArrayList l = new ArrayList(); if (it != null) while (it.hasNext()) l.add(it.next()); return l; } // disambiguation static ArrayList asList(IterableIterator s) { return asList((Iterator) s); } static ArrayList asList(Iterable s) { if (s instanceof ArrayList) return (ArrayList) s; ArrayList l = new ArrayList(); if (s != null) for (A a : s) l.add(a); return l; } static ArrayList asList(Enumeration e) { ArrayList l = new ArrayList(); if (e != null) while (e.hasMoreElements()) l.add(e.nextElement()); return l; } static List asList(Pair p) { return p == null ? null : ll(p.a, p.b); } static boolean isTrue(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); if (o == null) return false; if (o instanceof ThreadLocal) // TODO: remove this return isTrue(((ThreadLocal) o).get()); throw fail(getClassName(o)); } static boolean isTrue(Boolean b) { return b != null && b.booleanValue(); } static boolean isBetween(long x, long min, long max) { return x >= min && x <= max; } static boolean isBetween(double x, double min, double max) { return x >= min && x <= max; } static boolean isInstance(Class type, Object arg) { return type.isInstance(arg); } static Map newWeakHashMap() { return _registerWeakMap(synchroMap(new WeakHashMap())); } static void newPing() { var tl = newPing_actionTL(); Runnable action = tl == null ? null : tl.get(); { if (action != null) action.run(); } } // TODO: test if android complains about this static boolean isAWTThread() { if (isAndroid()) return false; if (isHeadless()) return false; return isAWTThread_awt(); } static boolean isAWTThread_awt() { return SwingUtilities.isEventDispatchThread(); } static void failIfUnlicensed() { assertTrue("license off", licensed()); } static Thread currentThread() { return Thread.currentThread(); } static boolean eq(Object a, Object b) { return a == b || a != null && b != null && a.equals(b); } // a little kludge for stuff like eq(symbol, "$X") static boolean eq(Symbol a, String b) { return eq(str(a), b); } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Throwable e) { throw asRuntimeException(e); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static RuntimeException fail(Object... objects) { throw new Fail(objects); } static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); } static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); } static RuntimeException rethrow(Throwable t) { if (t instanceof Error) _handleError((Error) t); throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static RuntimeException rethrow(String msg, Throwable t) { throw new RuntimeException(msg, t); } static Object first(Object list) { return first((Iterable) list); } static A first(List list) { return empty(list) ? null : list.get(0); } static A first(A[] bla) { return bla == null || bla.length == 0 ? null : bla[0]; } static A first(IterableIterator i) { return first((Iterator) i); } static A first(Iterator i) { return i == null || !i.hasNext() ? null : i.next(); } static A first(Iterable i) { if (i == null) return null; Iterator it = i.iterator(); return it.hasNext() ? it.next() : null; } static Character first(String s) { return empty(s) ? null : s.charAt(0); } static Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); } static A first(Pair p) { return p == null ? null : p.a; } static A first(T3 t) { return t == null ? null : t.a; } static Byte first(byte[] l) { return empty(l) ? null : l[0]; } static A first(A[] l, IF1 pred) { return firstThat(l, pred); } static A first(Iterable l, IF1 pred) { return firstThat(l, pred); } static A first(IF1 pred, Iterable l) { return firstThat(pred, l); } // Use like this: printVars_str(+x, +y); // Or: printVars("bla", +x); // Or: printVars bla(+x); static void printVars_str(Object... params) { print(renderVars_str(params)); } // Use like this: renderVars(+x, +y) static String renderVars_str(Object... params) { List l = new ArrayList(); int i = 0; if (odd(l(params))) { l.add(strOrNull(first(params))); ++i; } for (; i+1 < l(params); i += 2) l.add(params[i] + "=" + params[i+1]); return trim(joinWithComma(l)); } static List reversed(Iterable l) { return reversedList(l); } static List reversed(A[] l) { return reversedList(asList(l)); } static String reversed(String s) { return reversedString(s); } static String unnullForIteration(String s) { return s == null ? "" : s; } static Collection unnullForIteration(Collection l) { return l == null ? immutableEmptyList() : l; } static List unnullForIteration(List l) { return l == null ? immutableEmptyList() : l; } static int[] unnullForIteration(int[] l) { return l == null ? emptyIntArray() : l; } static char[] unnullForIteration(char[] l) { return l == null ? emptyCharArray() : l; } static double[] unnullForIteration(double[] l) { return l == null ? emptyDoubleArray() : l; } static short[] unnullForIteration(short[] l) { return l == null ? emptyShortArray() : l; } static Map unnullForIteration(Map l) { return l == null ? immutableEmptyMap() : l; } static Iterable unnullForIteration(Iterable i) { return i == null ? immutableEmptyList() : i; } static A[] unnullForIteration(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static BitSet unnullForIteration(BitSet b) { return b == null ? new BitSet() : b; } static Pt unnullForIteration(Pt p) { return p == null ? new Pt() : p; } //ifclass Symbol static Symbol unnullForIteration(Symbol s) { return s == null ? emptySymbol() : s; } //endif static Pair unnullForIteration(Pair p) { return p != null ? p : new Pair(null, null); } static long unnullForIteration(Long l) { return l == null ? 0L : l; } static String n2(long l) { return formatWithThousands(l); } static String n2(AtomicLong l) { return n2(l.get()); } static String n2(Collection l) { return n2(l(l)); } static String n2(Map map) { return n2(l(map)); } static String n2(double l, String singular) { return empty(singular) ? str(l) : n2(l, singular, singular + "s"); } static String n2(double l, String singular, String plural) { if (fraction(l) == 0) return n2((long) l, singular, plural); else return l + " " + plural; } static String n2(long l, String singular, String plural) { return n_fancy2(l, singular, plural); } static String n2(long l, String singular) { return empty(singular) ? n2(l) : n_fancy2(l, singular, singular + "s"); } static String n2(Collection l, String singular) { return n2(l(l), singular); } static String n2(Collection l, String singular, String plural) { return n_fancy2(l, singular, plural); } static String n2(Map m, String singular, String plural) { return n_fancy2(m, singular, plural); } static String n2(Map m, String singular) { return n2(l(m), singular); } static String n2(long[] a, String singular) { return n2(l(a), singular); } static String n2(Object[] a, String singular) { return n2(l(a), singular); } static String n2(Object[] a, String singular, String plural) { return n_fancy2(a, singular, plural); } static double normalizationFactor(double[] l) { return normalizationFactor(l, 1); } static double normalizationFactor(double[] l, double targetMax) { return doubleRatio(targetMax, doubleMax(l)); } static double[] doubleMul(double[] l, double factor) { if (factor == 1) return l; int n = l(l); double[] x = new double[n]; for (int i = 0; i < n; i++) x[i] = l[i]*factor; return x; } static IntRange intRange(int start, int end) { return new IntRange(start, end); } static ArrayList cloneList(Iterable l) { return l instanceof Collection ? cloneList((Collection) l) : asList(l); } static ArrayList cloneList(Collection l) { if (l == null) return new ArrayList(); synchronized(collectionMutex(l)) { return new ArrayList(l); } } static double toDouble(Object o) { if (o instanceof Number) return ((Number) o).doubleValue(); if (o instanceof BigInteger) return ((BigInteger) o).doubleValue(); if (o instanceof String) return parseDouble((String) o); if (o == null) return 0.0; throw fail(o); } static ArrayList toList(A[] a) { return asList(a); } static ArrayList toList(int[] a) { return asList(a); } static ArrayList toList(Set s) { return asList(s); } static ArrayList toList(Iterable s) { return asList(s); } static boolean empty(Collection c) { return c == null || c.isEmpty(); } static boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); } static boolean empty(CharSequence s) { return s == null || s.length() == 0; } static boolean empty(Map map) { return map == null || map.isEmpty(); } static boolean empty(Object[] o) { return o == null || o.length == 0; } static boolean empty(BitSet bs) { return bs == null || bs.isEmpty(); } static boolean empty(Object o) { if (o instanceof Collection) return empty((Collection) o); if (o instanceof String) return empty((String) o); if (o instanceof Map) return empty((Map) o); if (o instanceof Object[]) return empty((Object[]) o); if (o instanceof byte[]) return empty((byte[]) o); if (o == null) return true; throw fail("unknown type for 'empty': " + getType(o)); } static boolean empty(Iterator i) { return i == null || !i.hasNext(); } static boolean empty(double[] a) { return a == null || a.length == 0; } static boolean empty(float[] a) { return a == null || a.length == 0; } static boolean empty(int[] a) { return a == null || a.length == 0; } static boolean empty(long[] a) { return a == null || a.length == 0; } static boolean empty(byte[] a) { return a == null || a.length == 0; } static boolean empty(short[] a) { return a == null || a.length == 0; } static boolean empty(MultiMap mm) { return mm == null || mm.isEmpty(); } static boolean empty(File f) { return getFileSize(f) == 0; } static boolean empty(IntRange r) { return r == null || r.empty(); } static boolean empty(DoubleRange r) { return r == null || r.isEmpty(); } static boolean empty(Rect r) { return !(r != null && r.w != 0 && r.h != 0); } static A optPar(ThreadLocal tl, A defaultValue) { A a = tl.get(); if (a != null) { tl.set(null); return a; } return defaultValue; } static A optPar(ThreadLocal tl) { return optPar(tl, null); } static Object optPar(Object[] params, String name) { return optParam(params, name); } static Object optPar(String name, Object[] params) { return optParam(params, name); } static Object optPar(String name, Map params) { return optParam(name, params); } static A optPar(Object[] params, String name, A defaultValue) { return optParam(params, name, defaultValue); } static A optPar(String name, Object[] params, A defaultValue) { return optParam(params, name, defaultValue); } static int imageMergeSpacing = 5; static int imageMergeSpacing() { return imageMergeSpacing; } static void imageMergeSpacing(int pixels) { imageMergeSpacing = pixels; } static float toFloat(Object o) { if (o == null) return 0f; if (o instanceof Number) return ((Number) o).floatValue(); if (o instanceof Boolean) return ((Boolean) o).booleanValue() ? 1f : 0f; throw fail("Not convertible to float: " + _getClass(o)); } static int intSum(Collection c, String field) { int sum = 0; for (Object o : unnull(c)) sum += toInt(getOpt(o, field)); return sum; } static int intSum(Iterable l) { int sum = 0; for (Integer i : unnull(l)) if (i != null) sum += i; return sum; } static int intMax(Collection c, String field) { int max = Integer.MIN_VALUE; for (Object o : c) max = Math.max(max, toInt(getOpt(o, field))); return max; } static int intMax(Iterable l) { int max = Integer.MIN_VALUE; for (int i : unnullForIteration(l)) max = Math.max(max, i); return max; } static int intMax(int... l) { int max = Integer.MIN_VALUE; if (l != null) for (int i : l) max = Math.max(max, i); return max; } static void copyBWImage(BWImage src, int srcX, int srcY, BWImage dst, int dstX, int dstY) { copyBWImage(src, srcX, srcY, dst, dstX, dstY, src.getWidth()-srcX, src.getHeight()-srcY); } static void copyBWImage(BWImage src, int srcX, int srcY, BWImage dst, int dstX, int dstY, int w, int h) { w = min(w, dst.getWidth()-dstX); h = min(h, dst.getHeight()-dstY); w = min(w, src.getWidth()-srcX); h = min(h, src.getHeight()-srcY); for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) dst.setByte(dstX+x, dstY+y, src.getByte(srcX+x, srcY+y)); } static BWImage toBW(RGBImage img) { return img == null ? null : new BWImage(img); } static BufferedImage toBufferedImage(Object o) { return toBufferedImageOpt(o); } static int iteratorCount_int_close(Iterator i) { try { int n = 0; if (i != null) while (i.hasNext()) { i.next(); ++n; } if (i instanceof AutoCloseable) ((AutoCloseable) i).close(); return n; } catch (Exception __e) { throw rethrow(__e); } } static Object call(Object o) { return callF(o); } // varargs assignment fixer for a single string array argument static Object call(Object o, String method, String[] arg) { return call(o, method, new Object[] {arg}); } static Object call(Object o, String method, Object... args) { //ret call_cached(o, method, args); return call_withVarargs(o, method, args); } static DoubleRange intToDoubleRange(IntRange r) { return intToDoubleRange(1, r); } static DoubleRange intToDoubleRange(double factor, IntRange r) { return r == null ? null : doubleRange(r.start*factor, r.end*factor); } static String hfulltag(String tag) { return hfulltag(tag, ""); } static String hfulltag(String tag, Object contents, Object... params) { return hopeningTag(tag, params) + str(contents) + ""; } static BigInteger bigint(String s) { return new BigInteger(s); } static BigInteger bigint(long l) { return BigInteger.valueOf(l); } static String formatDouble(double d, int digits) { String format = digits <= 0 ? "0" : "0." + rep(digits, '#'); return decimalFormatEnglish(format, d); } static String formatDouble(double d) { return str(d); } static String formatDouble(DoubleRange r, int digits) { return r == null ? "null" : "[" + formatDouble(r.start, digits) + ";" + formatDouble(r.end, digits) + "]"; } static double pi() { return Math.PI; } static int max(int a, int b) { return Math.max(a, b); } static int max(int a, int b, int c) { return max(max(a, b), c); } static long max(int a, long b) { return Math.max((long) a, b); } static long max(long a, long b) { return Math.max(a, b); } static double max(int a, double b) { return Math.max((double) a, b); } static float max(float a, float b) { return Math.max(a, b); } static double max(double a, double b) { return Math.max(a, b); } static int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); return x; } static double max(double[] c) { if (c.length == 0) return Double.MIN_VALUE; double x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static float max(float[] c) { if (c.length == 0) return Float.MAX_VALUE; float x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static byte max(byte[] c) { byte x = -128; for (byte d : c) if (d > x) x = d; return x; } static short max(short[] c) { short x = -0x8000; for (short d : c) if (d > x) x = d; return x; } static int max(int[] c) { int x = Integer.MIN_VALUE; for (int d : c) if (d > x) x = d; return x; } static Map newDangerousWeakHashMap() { return _registerDangerousWeakMap(synchroMap(new WeakHashMap())); } // initFunction: voidfunc(Map) - is called initially, and after clearing the map static Map newDangerousWeakHashMap(Object initFunction) { return _registerDangerousWeakMap(synchroMap(new WeakHashMap()), initFunction); } static Object callMCWithVarArgs(String method, Object... args) { return call_withVarargs(mc(), method, args); } static String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } static Object invokeMethod(Method m, Object o, Object... args) { try { try { return m.invoke(o, args); } catch (InvocationTargetException e) { throw rethrow(getExceptionCause(e)); } catch (IllegalArgumentException e) { throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args))); } } catch (Exception __e) { throw rethrow(__e); } } static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) print("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) { Object arg = args[i]; if (!(arg == null ? !types[i].isPrimitive() : isInstanceX(types[i], arg))) { if (debug) print("Bad parameter " + i + ": " + arg + " vs " + types[i]); return false; } } return true; } static Field makeAccessible(Field f) { try { f.setAccessible(true); } catch (Throwable e) { // Note: The error reporting only works with Java VM option --illegal-access=deny vmBus_send("makeAccessible_error", e, f); } return f; } static Method makeAccessible(Method m) { try { m.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, m); } return m; } static Constructor makeAccessible(Constructor c) { try { c.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, c); } return c; } static List ll(A... a) { ArrayList l = new ArrayList(a.length); if (a != null) for (A x : a) l.add(x); return l; } static List _registerWeakMap_preList; static A _registerWeakMap(A map) { if (javax() == null) { // We're in class init if (_registerWeakMap_preList == null) _registerWeakMap_preList = synchroList(); _registerWeakMap_preList.add(map); return map; } try { call(javax(), "_registerWeakMap", map); } catch (Throwable e) { printException(e); print("Upgrade JavaX!!"); } return map; } static void _onLoad_registerWeakMap() { assertNotNull(javax()); if (_registerWeakMap_preList == null) return; for (Object o : _registerWeakMap_preList) _registerWeakMap(o); _registerWeakMap_preList = null; } static Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL; static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL() { if (newPing_actionTL == null) newPing_actionTL = vm_generalMap_getOrCreate("newPing_actionTL", () -> new x30_pkg.x30_util.BetterThreadLocal()); return newPing_actionTL; } static int isAndroid_flag; static boolean isAndroid() { if (isAndroid_flag == 0) isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1; return isAndroid_flag > 0; } static Boolean isHeadless_cache; static boolean isHeadless() { if (isHeadless_cache != null) return isHeadless_cache; if (isAndroid()) return isHeadless_cache = true; if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true; // Also check if AWT actually works. // If DISPLAY variable is set but no X server up, this will notice. try { SwingUtilities.isEventDispatchThread(); return isHeadless_cache = false; } catch (Throwable e) { return isHeadless_cache = true; } } static void assertTrue(Object o) { if (!(eq(o, true) /*|| isTrue(pcallF(o))*/)) throw fail(str(o)); } static boolean assertTrue(String msg, boolean b) { if (!b) throw fail(msg); return b; } static boolean assertTrue(boolean b) { if (!b) throw fail("oops"); return b; } static volatile boolean licensed_yes = true; static boolean licensed() { if (!licensed_yes) return false; ping_okInCleanUp(); return true; } static void licensed_off() { licensed_yes = false; } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static RuntimeException asRuntimeException(Throwable t) { if (t instanceof Error) _handleError((Error) t); return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static void _handleError(Error e) { call(javax(), "_handleError", e); } static A firstThat(Iterable l, IF1 pred) { for (A a : unnullForIteration(l)) if (pred.get(a)) return a; return null; } static A firstThat(A[] l, IF1 pred) { for (A a : unnullForIteration(l)) if (pred.get(a)) return a; return null; } static A firstThat(IF1 pred, Iterable l) { return firstThat(l, pred); } static A firstThat(IF1 pred, A[] l) { return firstThat(l, pred); } static volatile StringBuffer local_log = new StringBuffer(); // not redirected static volatile Appendable print_log = local_log; // might be redirected, e.g. to main bot // in bytes - will cut to half that static volatile int print_log_max = 1024*1024; static volatile int local_log_max = 100*1024; static boolean print_silent = false; // total mute if set static Object print_byThread_lock = new Object(); static volatile ThreadLocal print_byThread; // special handling by thread - prefers F1 static volatile Object print_allThreads; static volatile Object print_preprocess; static void print() { print(""); } static A print(String s, A o) { print(combinePrintParameters(s, o)); return o; } // slightly overblown signature to return original object... static A print(A o) { ping_okInCleanUp(); if (print_silent) return o; String s = o + "\n"; print_noNewLine(s); return o; } static void print_noNewLine(String s) { try { Object f = getThreadLocal(print_byThread_dontCreate()); if (f == null) f = print_allThreads; if (f != null) // We do need the general callF machinery here as print_byThread is sometimes shared between modules if (isFalse( f instanceof F1 ? ((F1) f).get(s) : callF(f, s))) return; } catch (Throwable e) { System.out.println(getStackTrace(e)); } print_raw(s); } static void print_raw(String s) { if (print_preprocess != null) s = (String) callF(print_preprocess, s); s = fixNewLines(s); Appendable loc = local_log; Appendable buf = print_log; int loc_max = print_log_max; if (buf != loc && buf != null) { print_append(buf, s, print_log_max); loc_max = local_log_max; } if (loc != null) print_append(loc, s, loc_max); System.out.print(s); vmBus_send("printed", mc(), s); } static void print_autoRotate() { } static boolean odd(int i) { return (i & 1) != 0; } static boolean odd(long i) { return (i & 1) != 0; } static boolean odd(BigInteger i) { return odd(toInt(i)); } static String strOrNull(Object o) { return o == null ? null : str(o); } static String trim(String s) { return s == null ? null : s.trim(); } static String trim(StringBuilder buf) { return buf.toString().trim(); } static String trim(StringBuffer buf) { return buf.toString().trim(); } static String joinWithComma(Collection c) { return join(", ", c); } static String joinWithComma(Object... c) { return join(", ", c); } static String joinWithComma(String... c) { return join(", ", c); } static String joinWithComma(Pair p) { return p == null ? "" : joinWithComma(str(p.a), str(p.b)); } static String reversedString(String s) { return reverseString(s); } static List immutableEmptyList() { return Collections.emptyList(); } static int[] emptyIntArray_a = new int[0]; static int[] emptyIntArray() { return emptyIntArray_a; } static char[] emptyCharArray = new char[0]; static char[] emptyCharArray() { return emptyCharArray; } static double[] emptyDoubleArray = new double[0]; static double[] emptyDoubleArray() { return emptyDoubleArray; } static short[] emptyShortArray = new short[0]; static short[] emptyShortArray() { return emptyShortArray; } static Map immutableEmptyMap() { return Collections.emptyMap(); } static Object[] emptyObjectArray_a = new Object[0]; static Object[] emptyObjectArray() { return emptyObjectArray_a; } static Symbol emptySymbol_value; static Symbol emptySymbol() { if (emptySymbol_value == null) emptySymbol_value = symbol(""); return emptySymbol_value; } static String formatWithThousands(long l) { return formatWithThousandsSeparator(l); } static double fraction(double d) { return d % 1; } static String n_fancy2(long l, String singular, String plural) { return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural); } static String n_fancy2(Collection l, String singular, String plural) { return n_fancy2(l(l), singular, plural); } static String n_fancy2(Map m, String singular, String plural) { return n_fancy2(l(m), singular, plural); } static String n_fancy2(Object[] a, String singular, String plural) { return n_fancy2(l(a), singular, plural); } static double doubleRatio(double x, double y) { return y == 0 ? 0 : x/y; } static double doubleMax(Iterable l) { double max = -Double.MAX_VALUE; for (double d : unnullForIteration(l)) max = Math.max(max, d); return max; } static double doubleMax(double[] l) { double max = -Double.MAX_VALUE; for (double d : unnullForIteration(l)) max = Math.max(max, d); return max; } static double doubleMax(double[] l, int from, int to) { double max = -Double.MAX_VALUE; for (int i = from; i < to; i++) max = Math.max(max, l[i]); return max; } static Object collectionMutex(List l) { return l; } static Object collectionMutex(Object o) { if (o instanceof List) return o; String c = className(o); if (eq(c, "java.util.TreeMap$KeySet")) c = className(o = getOpt(o, "m")); else if (eq(c, "java.util.HashMap$KeySet")) c = className(o = get_raw(o, "this$0")); if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap")) c = className(o = get_raw(o, "m")); return o; } static double parseDouble(String s) { return empty(s) ? 0.0 : Double.parseDouble(s); } static String getType(Object o) { return getClassName(o); } static long getFileSize(String path) { return path == null ? 0 : new File(path).length(); } static long getFileSize(File f) { return f == null ? 0 : f.length(); } static A optParam(ThreadLocal tl, A defaultValue) { return optPar(tl, defaultValue); } static A optParam(ThreadLocal tl) { return optPar(tl); } static Object optParam(String name, Map params) { return mapGet(params, name); } // now also takes a map as single array entry static A optParam(Object[] opt, String name, A defaultValue) { int n = l(opt); if (n == 1 && opt[0] instanceof Map) { Map map = (Map) (opt[0]); return map.containsKey(name) ? (A) map.get(name) : defaultValue; } if (!even(l(opt))) throw fail("Odd parameter length"); for (int i = 0; i < l(opt); i += 2) if (eq(opt[i], name)) return (A) opt[i+1]; return defaultValue; } static Object optParam(Object[] opt, String name) { return optParam(opt, name, null); } static Object optParam(String name, Object[] params) { return optParam(params, name); } static Class _getClass(String name) { try { return Class.forName(name); } catch (ClassNotFoundException e) { return null; // could optimize this } } static Class _getClass(Object o) { return o == null ? null : o instanceof Class ? (Class) o : o.getClass(); } static Class _getClass(Object realm, String name) { try { return classLoaderForObject(realm).loadClass(classNameToVM(name)); } catch (ClassNotFoundException e) { return null; // could optimize this } } static String unnull(String s) { return s == null ? "" : s; } static Collection unnull(Collection l) { return l == null ? emptyList() : l; } static List unnull(List l) { return l == null ? emptyList() : l; } static int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; } static char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; } static double[] unnull(double[] l) { return l == null ? emptyDoubleArray() : l; } static Map unnull(Map l) { return l == null ? emptyMap() : l; } static Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static A[] unnull(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static Pt unnull(Pt p) { return p == null ? new Pt() : p; } //ifclass Symbol static Symbol unnull(Symbol s) { return s == null ? emptySymbol() : s; } //endif static Pair unnull(Pair p) { return p != null ? p : new Pair(null, null); } static int unnull(Integer i) { return i == null ? 0 : i; } static long unnull(Long l) { return l == null ? 0L : l; } static double unnull(Double l) { return l == null ? 0.0 : l; } static int toInt(Object o) { if (o == null) return 0; if (o instanceof Number) return ((Number) o).intValue(); if (o instanceof String) return parseInt((String) o); if (o instanceof Boolean) return boolToInt((Boolean) o); throw fail("woot not int: " + getClassName(o)); } static int toInt(long l) { if (l != (int) l) throw fail("Too large for int: " + l); return (int) l; } static Object getOpt(Object o, String field) { return getOpt_cached(o, field); } static Object getOpt(String field, Object o) { return getOpt_cached(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; makeAccessible(f); return f.get(o); } catch (Exception __e) { throw rethrow(__e); } } // access of static fields is not yet optimized static Object getOpt(Class c, String field) { try { if (c == null) return null; Field f = getOpt_findStaticField(c, field); if (f == null) return null; makeAccessible(f); return f.get(null); } catch (Exception __e) { throw rethrow(__e); } } static Field getOpt_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static int min(int a, int b) { return Math.min(a, b); } static long min(long a, long b) { return Math.min(a, b); } static float min(float a, float b) { return Math.min(a, b); } static float min(float a, float b, float c) { return min(min(a, b), c); } static double min(double a, double b) { return Math.min(a, b); } static double min(double[] c) { double x = Double.MAX_VALUE; for (double d : c) x = Math.min(x, d); return x; } static float min(float[] c) { float x = Float.MAX_VALUE; for (float d : c) x = Math.min(x, d); return x; } static byte min(byte[] c) { byte x = 127; for (byte d : c) if (d < x) x = d; return x; } static short min(short[] c) { short x = 0x7FFF; for (short d : c) if (d < x) x = d; return x; } static int min(int[] c) { int x = Integer.MAX_VALUE; for (int d : c) if (d < x) x = d; return x; } static BufferedImage toBufferedImageOpt(Object o) { if (o instanceof BufferedImage) return (BufferedImage) o; if (o instanceof MakesBufferedImage) return ((MakesBufferedImage) o).getBufferedImage(); if (o instanceof File) if (isImageFile((File) o)) return loadBufferedImageFile((File) o); String c = getClassName(o); // Keep this because it also works on imported objects if (eqOneOf(c, "main$BWImage", "main$RGBImage")) return (BufferedImage) call(o, "getBufferedImage"); if (eq(c, "main$PNGFile")) return (BufferedImage) call(o, "getImage"); return null; } static Object call_withVarargs(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Class c = (Class) o; _MethodCache cache = callOpt_getCache(c); Method me = cache.findStaticMethod(method, args); if (me != null) return invokeMethod(me, null, args); // try varargs List methods = cache.cache.get(method); if (methods != null) methodSearch: for (Method m : methods) { { if (!(m.isVarArgs())) continue; } { if (!(isStaticMethod(m))) continue; } Object[] newArgs = massageArgsForVarArgsCall(m, args); if (newArgs != null) return invokeMethod(m, null, newArgs); } throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found"); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(method, args); if (me != null) return invokeMethod(me, o, args); // try varargs List methods = cache.cache.get(method); if (methods != null) methodSearch: for (Method m : methods) { { if (!(m.isVarArgs())) continue; } Object[] newArgs = massageArgsForVarArgsCall(m, args); if (newArgs != null) return invokeMethod(m, o, newArgs); } throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found"); } } catch (Exception __e) { throw rethrow(__e); } } static String hopeningTag(String tag, Map params) { return hopeningTag(tag, mapToParams(params)); } static String hopeningTag(String tag, Object... params) { StringBuilder buf = new StringBuilder(); buf.append("<" + tag); params = unrollParams(params); for (int i = 0; i < l(params); i += 2) { String name = (String) get(params, i); Object val = get(params, i+1); if (nempty(name) && val != null) { if (eqOneOf(val, html_valueLessParam(), true)) buf.append(" " + name); else { String s = str(val); if (!empty(s)) buf.append(" " + name + "=" + htmlQuote(s)); } } } buf.append(">"); return str(buf); } static String rep(int n, char c) { return repeat(c, n); } static String rep(char c, int n) { return repeat(c, n); } static List rep(A a, int n) { return repeat(a, n); } static List rep(int n, A a) { return repeat(n, a); } static String decimalFormatEnglish(String format, double d) { return decimalFormatEnglish(format).format(d); } static java.text.DecimalFormat decimalFormatEnglish(String format) { return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)); } static AutoCloseable tempInterceptPrintIfNotIntercepted(F1 f) { return print_byThread().get() == null ? tempInterceptPrint(f) : null; } static List _registerDangerousWeakMap_preList; static A _registerDangerousWeakMap(A map) { return _registerDangerousWeakMap(map, null); } static A _registerDangerousWeakMap(A map, Object init) { callF(init, map); if (init instanceof String) { final String f = (String) init; init = new VF1() { public void get(Map map) { try { callMC(f, map) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callMC(f, map)"; }}; } if (javax() == null) { // We're in class init if (_registerDangerousWeakMap_preList == null) _registerDangerousWeakMap_preList = synchroList(); _registerDangerousWeakMap_preList.add(pair(map, init)); return map; } call(javax(), "_registerDangerousWeakMap", map, init); return map; } static void _onLoad_registerDangerousWeakMap() { assertNotNull(javax()); if (_registerDangerousWeakMap_preList == null) return; for (Pair p : _registerDangerousWeakMap_preList) _registerDangerousWeakMap(p.a, p.b); _registerDangerousWeakMap_preList = null; } static Class mc() { return main.class; } static Throwable getExceptionCause(Throwable e) { Throwable c = e.getCause(); return c != null ? c : e; } static String joinWithSpace(Iterable c) { return join(" ", c); } static String joinWithSpace(String... c) { return join(" ", c); } static List classNames(Collection l) { return getClassNames(l); } static List classNames(Object[] l) { return getClassNames(Arrays.asList(l)); } static boolean isInstanceX(Class type, Object arg) { if (type == boolean.class) return arg instanceof Boolean; if (type == int.class) return arg instanceof Integer; if (type == long.class) return arg instanceof Long; if (type == float.class) return arg instanceof Float; if (type == short.class) return arg instanceof Short; if (type == char.class) return arg instanceof Character; if (type == byte.class) return arg instanceof Byte; if (type == double.class) return arg instanceof Double; return type.isInstance(arg); } static void vmBus_send(String msg, Object... args) { Object arg = vmBus_wrapArgs(args); pcallFAll_minimalExceptionHandling(vm_busListeners_live(), msg, arg); pcallFAll_minimalExceptionHandling(vm_busListenersByMessage_live().get(msg), msg, arg); } static void vmBus_send(String msg) { vmBus_send(msg, (Object) null); } static Class javax() { return getJavaX(); } static A printException(A e) { printStackTrace(e); return e; } static A assertNotNull(A a) { assertTrue(a != null); return a; } static A assertNotNull(String msg, A a) { assertTrue(msg, a != null); return a; } static Map synchroHashMap() { return synchronizedMap(new HashMap()); } static A vm_generalMap_getOrCreate(Object key, F0 create) { return vm_generalMap_getOrCreate(key, f0ToIF0(create)); } static A vm_generalMap_getOrCreate(Object key, IF0 create) { Map generalMap = vm_generalMap(); if (generalMap == null) return null; // must be x30 init synchronized(generalMap) { // should switch to locks here A a = (A) (vm_generalMap_get(key)); if (a == null) vm_generalMap_put(key, a = create == null ? null : create.get()); return a; } } static void ping_okInCleanUp() { if (ping_pauseAll || ping_anyActions) ping_impl(true); } static String combinePrintParameters(String s, Object o) { return (endsWithLetterOrDigit(s) ? s + ": " : s) + o; } // this syntax should be removed... static Object getThreadLocal(Object o, String name) { ThreadLocal t = (ThreadLocal) (getOpt(o, name)); return t != null ? t.get() : null; } static A getThreadLocal(ThreadLocal tl) { return tl == null ? null : tl.get(); } static A getThreadLocal(ThreadLocal tl, A defaultValue) { return or(getThreadLocal(tl), defaultValue); } static ThreadLocal print_byThread_dontCreate() { return print_byThread; } static boolean isFalse(Object o) { return eq(false, o); } static String getStackTrace(Throwable throwable) { lastException(throwable); return getStackTrace_noRecord(throwable); } static String getStackTrace_noRecord(Throwable throwable) { StringWriter writer = new StringWriter(); throwable.printStackTrace(new PrintWriter(writer)); return hideCredentials(writer.toString()); } static String getStackTrace() { return getStackTrace_noRecord(new Throwable()); } static String getStackTrace(String msg) { return getStackTrace_noRecord(new Throwable(msg)); } static String fixNewLines(String s) { int i = indexOf(s, '\r'); if (i < 0) return s; int l = s.length(); StringBuilder out = new StringBuilder(l); out.append(s, 0, i); for (; i < l; i++) { char c = s.charAt(i); if (c != '\r') out.append(c); else { out.append('\n'); if (i+1 < l && s.charAt(i+1) == '\n') ++i; } } return out.toString(); } static void print_append(Appendable buf, String s, int max) { try { synchronized(buf) { buf.append(s); if (buf instanceof StringBuffer) rotateStringBuffer(((StringBuffer) buf), max); else if (buf instanceof StringBuilder) rotateStringBuilder(((StringBuilder) buf), max); } } catch (Exception __e) { throw rethrow(__e); } } public static String join(String glue, Iterable strings) { if (strings == null) return ""; if (strings instanceof Collection) { if (((Collection) strings).size() == 1) return str(first((Collection) strings)); } StringBuilder buf = new StringBuilder(); Iterator i = strings.iterator(); if (i.hasNext()) { buf.append(i.next()); while (i.hasNext()) buf.append(glue).append(i.next()); } return buf.toString(); } public static String join(String glue, String... strings) { return join(glue, Arrays.asList(strings)); } public static String join(String glue, Object... strings) { return join(glue, Arrays.asList(strings)); } static String join(Iterable strings) { return join("", strings); } static String join(Iterable strings, String glue) { return join(glue, strings); } public static String join(String[] strings) { return join("", strings); } static String join(String glue, Pair p) { return p == null ? "" : str(p.a) + glue + str(p.b); } static String reverseString(String s) { return empty(s) ? s : new StringBuilder(s).reverse().toString(); } static WeakHasherMap symbol_map = new WeakHasherMap(new Hasher() { public int hashCode(Symbol symbol) { return symbol.text.hashCode(); } public boolean equals(Symbol a, Symbol b) { if (a == null) return b == null; return b != null && eq(a.text, b.text); } }); static Symbol symbol(String s) { if (s == null) return null; synchronized(symbol_map) { // TODO: avoid object creation by passing the string to findKey Symbol symbol = new Symbol(s, true); Symbol existingSymbol = symbol_map.findKey(symbol); if (existingSymbol == null) symbol_map.put(existingSymbol = symbol, true); return existingSymbol; } } static Symbol symbol(CharSequence s) { if (s == null) return null; if (s instanceof Symbol) return (Symbol) s; if (s instanceof String) return symbol((String) s); return symbol(str(s)); } static Symbol symbol(Object o) { return symbol((CharSequence) o); } static String formatWithThousandsSeparator(long l) { return NumberFormat.getInstance(new Locale("en_US")).format(l); } static String className(Object o) { return getClassName(o); } // get purpose 1: access a list/array/map (safer version of x.get(y)) static A get(List l, int idx) { return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null; } // seems to conflict with other signatures /*static B get(Map map, A key) { ret map != null ? map.get(key) : null; }*/ static A get(A[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : null; } // default to false static boolean get(boolean[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : false; } // get purpose 2: access a field by reflection or a map static Object get(Object o, String field) { try { if (o == null) return null; if (o instanceof Class) return get((Class) o, field); if (o instanceof Map) return ((Map) o).get(field); Field f = getOpt_findField(o.getClass(), field); if (f != null) { makeAccessible(f); return f.get(o); } if (o instanceof DynamicObject) return getOptDynOnly(((DynamicObject) o), field); } catch (Exception e) { throw asRuntimeException(e); } throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName()); } static Object get_raw(String field, Object o) { return get_raw(o, field); } static Object get_raw(Object o, String field) { try { if (o == null) return null; Field f = get_findField(o.getClass(), field); makeAccessible(f); return f.get(o); } catch (Exception __e) { throw rethrow(__e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); makeAccessible(f); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static Object get(String field, Object o) { return get(o, field); } static boolean get(BitSet bs, int idx) { return bs != null && bs.get(idx); } static boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } static B mapGet(Map map, A a) { return map == null || a == null ? null : map.get(a); } static B mapGet(A a, Map map) { return map == null || a == null ? null : map.get(a); } static boolean even(int i) { return (i & 1) == 0; } static boolean even(long i) { return (i & 1) == 0; } static boolean even(BigInteger n) { return even(n.intValue()); } static ClassLoader classLoaderForObject(Object o) { if (o instanceof ClassLoader) return ((ClassLoader) o); if (o == null) return null; return _getClass(o).getClassLoader(); } // Note: This is actually broken. Inner classes must stay with a $ separator static String classNameToVM(String name) { return name.replace(".", "$"); } static Map emptyMap() { return new HashMap(); } static int parseInt(String s) { return emptyString(s) ? 0 : Integer.parseInt(s); } static int parseInt(char c) { return Integer.parseInt(str(c)); } static int boolToInt(boolean b) { return b ? 1 : 0; } //static final Map> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init); static class getOpt_Map extends WeakHashMap { getOpt_Map() { if (getOpt_special == null) getOpt_special = new HashMap(); clear(); } public void clear() { super.clear(); //print("getOpt clear"); put(Class.class, getOpt_special); put(String.class, getOpt_special); } } static final Map> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map())); //static final Map> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map)); static HashMap getOpt_special; // just a marker /*static void getOpt_special_init(Map map) { map.put(Class.class, getOpt_special); map.put(S.class, getOpt_special); }*/ static Map getOpt_getFieldMap(Object o) { Class c = _getClass(o); HashMap map = getOpt_cache.get(c); if (map == null) map = getOpt_makeCache(c); return map; } static Object getOpt_cached(Object o, String field) { try { if (o == null) return null; Map map = getOpt_getFieldMap(o); if (map == getOpt_special) { if (o instanceof Class) return getOpt((Class) o, field); /*if (o instanceof S) ret getOpt(getBot((S) o), field);*/ if (o instanceof Map) return ((Map) o).get(field); } Field f = map.get(field); if (f != null) return f.get(o); if (o instanceof DynamicObject) return syncMapGet2(((DynamicObject) o).fieldValues, field); return null; } catch (Exception __e) { throw rethrow(__e); } } // used internally - we are in synchronized block static HashMap getOpt_makeCache(Class c) { HashMap map; if (isSubtypeOf(c, Map.class)) map = getOpt_special; else { map = new HashMap(); if (!reflection_classesNotToScan().contains(c.getName())) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) { makeAccessible(f); String name = f.getName(); if (!map.containsKey(name)) map.put(name, f); } _c = _c.getSuperclass(); } while (_c != null); } } if (getOpt_cache != null) getOpt_cache.put(c, map); return map; } static Field getOpt_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static boolean isImageFile(File f) { return isImageFileName(fileName(f)); } static BufferedImage loadBufferedImageFile(File file) { try { return isFile(file) ? ImageIO.read(file) : null; } catch (Exception __e) { throw rethrow(__e); } } static final Map callOpt_cache = newDangerousWeakHashMap(); static Object callOpt_cached(Object o, String methodName, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Class c = (Class) o; _MethodCache cache = callOpt_getCache(c); // TODO: (super-rare) case where method exists static and non-static // with different args Method me = cache.findMethod(methodName, args); if (me == null || (me.getModifiers() & Modifier.STATIC) == 0) return null; return invokeMethod(me, null, args); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(methodName, args); if (me == null) return null; return invokeMethod(me, o, args); } } catch (Exception __e) { throw rethrow(__e); } } // no longer synchronizes! (see #1102990) static _MethodCache callOpt_getCache(Class c) { _MethodCache cache = callOpt_cache.get(c); if (cache == null) callOpt_cache.put(c, cache = new _MethodCache(c)); return cache; } static boolean isStaticMethod(Method m) { return methodIsStatic(m); } static Object[] massageArgsForVarArgsCall(Method m, Object[] args) { Class[] types = m.getParameterTypes(); int n = types.length-1, nArgs = args.length; if (nArgs < n) return null; for (int i = 0; i < n; i++) if (!argumentCompatibleWithType(args[i], types[i])) return null; Class varArgType = types[n].getComponentType(); for (int i = n; i < nArgs; i++) if (!argumentCompatibleWithType(args[i], varArgType)) return null; Object[] newArgs = new Object[n+1]; arraycopy(args, 0, newArgs, 0, n); Object[] varArgs = arrayOfType(varArgType, nArgs-n); arraycopy(args, n, varArgs, 0, nArgs-n); newArgs[n] = varArgs; return newArgs; } static Object[] mapToParams(Map map) { return mapToObjectArray(map); } static Object[] unrollParams(Object[] params) { if (l(params) == 1 && params[0] instanceof Map) return mapToParams((Map) params[0]); return params; } static boolean nempty(Collection c) { return !empty(c); } static boolean nempty(CharSequence s) { return !empty(s); } static boolean nempty(Object[] o) { return !empty(o); } static boolean nempty(byte[] o) { return !empty(o); } static boolean nempty(int[] o) { return !empty(o); } static boolean nempty(BitSet bs) { return !empty(bs); } static boolean nempty(Map m) { return !empty(m); } static boolean nempty(Iterator i) { return i != null && i.hasNext(); } static boolean nempty(Object o) { return !empty(o); } static boolean nempty(IntRange r) { return !empty(r); } static boolean nempty(Rect r) { return r != null && r.w != 0 && r.h != 0; } static Object html_valueLessParam_cache; static Object html_valueLessParam() { if (html_valueLessParam_cache == null) html_valueLessParam_cache = html_valueLessParam_load(); return html_valueLessParam_cache; } static Object html_valueLessParam_load() { return new Object(); } static String htmlQuote(String s) { return "\"" + htmlencode_forParams(s) + "\""; } static String repeat(char c, int n) { n = Math.max(n, 0); char[] chars = new char[n]; for (int i = 0; i < n; i++) chars[i] = c; return new String(chars); } static List repeat(A a, int n) { n = Math.max(n, 0); List l = new ArrayList(n); for (int i = 0; i < n; i++) l.add(a); return l; } static List repeat(int n, A a) { return repeat(a, n); } static ThreadLocal print_byThread() { synchronized(print_byThread_lock) { if (print_byThread == null) print_byThread = new ThreadLocal(); } return print_byThread; } // f can return false to suppress regular printing // call print_raw within f to actually print something static AutoCloseable tempInterceptPrint(F1 f) { return tempSetThreadLocal(print_byThread(), f); } static HashMap> callMC_cache = new HashMap(); static String callMC_key; static Method callMC_value; // varargs assignment fixer for a single string array argument static Object callMC(String method, String[] arg) { return callMC(method, new Object[] {arg}); } static Object callMC(String method, Object... args) { try { Method me; if (callMC_cache == null) callMC_cache = new HashMap(); // initializer time workaround synchronized(callMC_cache) { me = method == callMC_key ? callMC_value : null; } if (me != null) try { return invokeMethod(me, null, args); } catch (IllegalArgumentException e) { throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e); } List m; synchronized(callMC_cache) { m = callMC_cache.get(method); } if (m == null) { if (callMC_cache.isEmpty()) { callMC_makeCache(); m = callMC_cache.get(method); } if (m == null) throw fail("Method named " + method + " not found in main"); } int n = m.size(); if (n == 1) { me = m.get(0); synchronized(callMC_cache) { callMC_key = method; callMC_value = me; } try { return invokeMethod(me, null, args); } catch (IllegalArgumentException e) { throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e); } } for (int i = 0; i < n; i++) { me = m.get(i); if (call_checkArgs(me, args, false)) return invokeMethod(me, null, args); } throw fail("No method called " + method + " with arguments (" + joinWithComma(getClasses(args)) + ") found in main"); } catch (Exception __e) { throw rethrow(__e); } } static void callMC_makeCache() { synchronized(callMC_cache) { callMC_cache.clear(); Class _c = (Class) mc(), c = _c; while (c != null) { for (Method m : c.getDeclaredMethods()) if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) { makeAccessible(m); multiMapPut(callMC_cache, m.getName(), m); } c = c.getSuperclass(); } } } static Pair pair(A a, B b) { return new Pair(a, b); } static Pair pair(A a) { return new Pair(a, a); } static List getClassNames(Collection l) { List out = new ArrayList(); if (l != null) for (Object o : l) out.add(o == null ? null : getClassName(o)); return out; } static Object vmBus_wrapArgs(Object... args) { return empty(args) ? null : l(args) == 1 ? args[0] : args; } static void pcallFAll_minimalExceptionHandling(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) { ping(); pcallF_minimalExceptionHandling(f, args); } } static void pcallFAll_minimalExceptionHandling(Iterator it, Object... args) { while (it.hasNext()) { ping(); pcallF_minimalExceptionHandling(it.next(), args); } } static Set vm_busListeners_live_cache; static Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; } static Set vm_busListeners_live_load() { return vm_generalIdentityHashSet("busListeners"); } static Map vm_busListenersByMessage_live_cache; static Map vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; } static Map vm_busListenersByMessage_live_load() { return vm_generalHashMap("busListenersByMessage"); } static Class __javax; static Class getJavaX() { try { return __javax; } catch (Exception __e) { throw rethrow(__e); } } static A printStackTrace(A e) { // we go to system.out now - system.err is nonsense print(getStackTrace(e)); return e; } static void printStackTrace() { printStackTrace(new Throwable()); } static void printStackTrace(String msg) { printStackTrace(new Throwable(msg)); } static void printStackTrace(String msg, Throwable e) { printStackTrace(new Throwable(msg, e)); } static Map synchronizedMap() { return synchroMap(); } static Map synchronizedMap(Map map) { return synchroMap(map); } static IF0 f0ToIF0(F0 f) { return f == null ? null : () -> f.get(); } static Map vm_generalMap_map; static Map vm_generalMap() { if (vm_generalMap_map == null) vm_generalMap_map = (Map) get(javax(), "generalMap"); return vm_generalMap_map; } static Object vm_generalMap_get(Object key) { return vm_generalMap().get(key); } static Object vm_generalMap_put(Object key, Object value) { return mapPutOrRemove(vm_generalMap(), key, value); } static boolean endsWithLetterOrDigit(String s) { return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1)); } static A or(A a, A b) { return a != null ? a : b; } // PersistableThrowable doesn't hold GC-disturbing class references in backtrace static volatile PersistableThrowable lastException_lastException; static PersistableThrowable lastException() { return lastException_lastException; } static void lastException(Throwable e) { lastException_lastException = persistableThrowable(e); } static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); } static String hideCredentials(String url) { try { if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url))) return url; } catch (Throwable e) { print("HideCredentials", e); } return url.replaceAll("([&?])(_pass|key|cookie)=[^&\\s\"]*", "$1$2="); } static String hideCredentials(Object o) { return hideCredentials(str(o)); } static int indexOf(List l, A a, int startIndex) { if (l == null) return -1; int n = l(l); for (int i = startIndex; i < n; i++) if (eq(l.get(i), a)) return i; return -1; } static int indexOf(List l, int startIndex, A a) { return indexOf(l, a, startIndex); } static int indexOf(List l, A a) { if (l == null) return -1; return l.indexOf(a); } static int indexOf(String a, String b) { return a == null || b == null ? -1 : a.indexOf(b); } static int indexOf(String a, String b, int i) { return a == null || b == null ? -1 : a.indexOf(b, i); } static int indexOf(String a, char b) { return a == null ? -1 : a.indexOf(b); } static int indexOf(String a, int i, char b) { return indexOf(a, b, i); } static int indexOf(String a, char b, int i) { return a == null ? -1 : a.indexOf(b, i); } static int indexOf(String a, int i, String b) { return a == null || b == null ? -1 : a.indexOf(b, i); } static int indexOf(A[] x, A a) { int n = l(x); for (int i = 0; i < n; i++) if (eq(x[i], a)) return i; return -1; } static void rotateStringBuffer(StringBuffer buf, int max) { try { if (buf == null) return; synchronized(buf) { if (buf.length() <= max) return; try { int newLength = max/2; int ofs = buf.length()-newLength; String newString = buf.substring(ofs); buf.setLength(0); buf.append("[...] ").append(newString); } catch (Exception e) { buf.setLength(0); } buf.trimToSize(); } } catch (Exception __e) { throw rethrow(__e); } } static void rotateStringBuilder(StringBuilder buf, int max) { try { if (buf == null) return; synchronized(buf) { if (buf.length() <= max) return; try { int newLength = max/2; int ofs = buf.length()-newLength; String newString = buf.substring(ofs); buf.setLength(0); buf.append("[...] ").append(newString); } catch (Exception e) { buf.setLength(0); } buf.trimToSize(); } } catch (Exception __e) { throw rethrow(__e); } } static Object getOptDynOnly(DynamicObject o, String field) { if (o == null || o.fieldValues == null) return null; return o.fieldValues.get(field); } static boolean emptyString(String s) { return s == null || s.length() == 0; } static void clear(Collection c) { if (c != null) c.clear(); } static void clear(Map map) { if (map != null) map.clear(); } static void put(Map map, A a, B b) { if (map != null) map.put(a, b); } static void put(List l, int i, A a) { if (l != null && i >= 0 && i < l(l)) l.set(i, a); } static B syncMapGet2(Map map, A a) { if (map == null) return null; synchronized(collectionMutex(map)) { return map.get(a); } } static B syncMapGet2(A a, Map map) { return syncMapGet2(map, a); } static boolean isSubtypeOf(Class a, Class b) { return b.isAssignableFrom(a); // << always hated that method, let's replace it! } static Set reflection_classesNotToScan_value = litset( "jdk.internal.loader.URLClassPath" ); static Set reflection_classesNotToScan() { return reflection_classesNotToScan_value; } static boolean isImageFileName(String s) { return eqicOneOf(fileExtension(s), ".png", ".jpg", ".jpeg", ".gif"); } static String fileName(File f) { return f == null ? null : f.getName(); } static boolean isFile(File f) { return f != null && f.isFile(); } static boolean isFile(String path) { return isFile(newFile(path)); } static boolean methodIsStatic(Method m) { return (m.getModifiers() & Modifier.STATIC) != 0; } static boolean argumentCompatibleWithType(Object arg, Class type) { return arg == null ? !type.isPrimitive() : isInstanceX(type, arg); } static void arraycopy(Object[] a, Object[] b) { if (a != null && b != null) arraycopy(a, 0, b, 0, Math.min(a.length, b.length)); } static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) { if (n != 0) System.arraycopy(src, srcPos, dest, destPos, n); } static A[] arrayOfType(Class type, int n) { return makeArray(type, n); } static A[] arrayOfType(int n, Class type) { return arrayOfType(type, n); } static Object[] mapToObjectArray(Map map) { List l = new ArrayList(); for (Object o : keys(map)) { l.add(o); l.add(map.get(o)); } return toObjectArray(l); } static Object[] mapToObjectArray(Object f, Collection l) { int n = l(l); Object[] array = new Object[n]; if (n != 0) { Iterator it = iterator(l); for (int i = 0; i < n; i++) array[i] = callF(f, it.next()); } return array; } static Object[] mapToObjectArray(Object f, Object[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = callF(f, l[i]); return array; } static Object[] mapToObjectArray(Collection l, IF1 f) { return mapToObjectArray(f, l); } static Object[] mapToObjectArray(A[] l, IF1 f) { return mapToObjectArray(f, l); } static Object[] mapToObjectArray(IF1 f, A[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = f.get(l[i]); return array; } static Object[] mapToObjectArray(IF1 f, Collection l) { int n = l(l); Object[] array = new Object[n]; if (n != 0) { Iterator it = iterator(l); for (int i = 0; i < n; i++) array[i] = callF(f, it.next()); } return array; } // this should be on by default now I think, but it may break // legacy code... static ThreadLocal htmlencode_forParams_useV2 = new ThreadLocal(); static String htmlencode_forParams(String s) { if (s == null) return ""; if (isTrue(htmlencode_forParams_useV2.get())) return htmlencode_forParams_v2(s); StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static AutoCloseable tempSetThreadLocal(final ThreadLocal tl, A a) { if (tl == null) return null; final A prev = setThreadLocal(tl, a); return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); }}; } static List getClasses(Object[] array) { List l = emptyList(l(array)); for (Object o : array) l.add(_getClass(o)); return l; } static void multiMapPut(Map> map, A a, B b) { List l = map.get(a); if (l == null) map.put(a, l = new ArrayList()); l.add(b); } static void multiMapPut(MultiMap mm, A key, B value) { if (mm != null && key != null && value != null) mm.put(key, value); } static Object pcallF_minimalExceptionHandling(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable e) { System.out.println(getStackTrace(e)); _storeException(e); } return null; } static Set vm_generalIdentityHashSet(Object name) { synchronized(get(javax(), "generalMap")) { Set set = (Set) (vm_generalMap_get(name)); if (set == null) vm_generalMap_put(name, set = syncIdentityHashSet()); return set; } } static Map vm_generalHashMap(Object name) { synchronized(get(javax(), "generalMap")) { Map m = (Map) (vm_generalMap_get(name)); if (m == null) vm_generalMap_put(name, m = syncHashMap()); return m; } } static B mapPutOrRemove(Map map, A key, B value) { if (map != null && key != null) if (value != null) return map.put(key, value); else return map.remove(key); return null; } static PersistableThrowable persistableThrowable(Throwable e) { return e == null ? null : new PersistableThrowable(e); } static boolean startsWithOneOf(String s, String... l) { for (String x : l) if (startsWith(s, x)) return true; return false; } static boolean startsWithOneOf(String s, Matches m, String... l) { for (String x : l) if (startsWith(s, x, m)) return true; return false; } static boolean isAGIBlueDomain(String domain) { return domainIsUnder(domain, theAGIBlueDomain()); } static String hostNameFromURL(String url) { try { return new URL(url).getHost(); } catch (Exception __e) { throw rethrow(__e); } } static HashSet litset(A... items) { return lithashset(items); } static boolean eqicOneOf(String s, String... l) { for (String x : l) if (eqic(s, x)) return true; return false; } static String fileExtension(File f) { if (f == null) return null; return fileExtension(f.getName()); } static String fileExtension(String s) { return substring(s, smartLastIndexOf(s, '.')); } static File newFile(File base, String... names) { for (String name : names) base = new File(base, name); return base; } static File newFile(String name) { return name == null ? null : new File(name); } static File newFile(String base, String... names) { return newFile(newFile(base), names); } static A[] makeArray(Class type, int n) { return (A[]) Array.newInstance(type, n); } // binary legacy signature static Object[] toObjectArray(Collection c) { return toObjectArray((Iterable) c); } static Object[] toObjectArray(Iterable c) { List l = asList(c); return l.toArray(new Object[l.size()]); } static Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } static String htmlencode_forParams_v2(String s) { if (s == null) return ""; StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static Object callFunction(Object f, Object... args) { return callF(f, args); } static Throwable _storeException_value; static void _storeException(Throwable e) { _storeException_value = e; } static Set syncIdentityHashSet() { return (Set) synchronizedSet(identityHashSet()); } static Map syncHashMap() { return synchroHashMap(); } static boolean startsWith(String a, String b) { return a != null && a.startsWith(unnull(b)); } static boolean startsWith(String a, char c) { return nemptyString(a) && a.charAt(0) == c; } static boolean startsWith(String a, String b, Matches m) { if (!startsWith(a, b)) return false; if (m != null) m.m = new String[] {substring(a, strL(b))}; return true; } static boolean startsWith(List a, List b) { if (a == null || listL(b) > listL(a)) return false; for (int i = 0; i < listL(b); i++) if (neq(a.get(i), b.get(i))) return false; return true; } static boolean domainIsUnder(String domain, String mainDomain) { return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain); } static String theAGIBlueDomain() { return "agi.blue"; } static HashSet lithashset(A... items) { HashSet set = new HashSet(); for (A a : items) set.add(a); return set; } static boolean eqic(String a, String b) { if ((a == null) != (b == null)) return false; if (a == null) return true; return a.equalsIgnoreCase(b); } static boolean eqic(Symbol a, Symbol b) { return eq(a, b); } static boolean eqic(Symbol a, String b) { return eqic(asString(a), b); } static boolean eqic(char a, char b) { if (a == b) return true; char u1 = Character.toUpperCase(a); char u2 = Character.toUpperCase(b); if (u1 == u2) return true; return Character.toLowerCase(u1) == Character.toLowerCase(u2); } static String substring(String s, int x) { return substring(s, x, strL(s)); } static String substring(String s, int x, int y) { if (s == null) return null; if (x < 0) x = 0; int n = s.length(); if (y < x) y = x; if (y > n) y = n; if (x >= y) return ""; return s.substring(x, y); } static String substring(String s, IntRange r) { return r == null ? null : substring(s, r.start, r.end); } // convenience method for quickly dropping a prefix static String substring(String s, CharSequence l) { return substring(s, lCharSequence(l)); } static int smartLastIndexOf(String s, char c) { if (s == null) return 0; int i = s.lastIndexOf(c); return i >= 0 ? i : l(s); } static int smartLastIndexOf(List l, A sub) { int i = lastIndexOf(l, sub); return i < 0 ? l(l) : i; } static Iterator emptyIterator() { return Collections.emptyIterator(); } static Set synchronizedSet() { return synchroHashSet(); } static Set synchronizedSet(Set set) { return Collections.synchronizedSet(set); } static Set identityHashSet() { return Collections.newSetFromMap(new IdentityHashMap()); } static boolean nemptyString(String s) { return s != null && s.length() > 0; } static int strL(String s) { return s == null ? 0 : s.length(); } static int listL(Collection l) { return l == null ? 0 : l.size(); } static boolean neq(Object a, Object b) { return !eq(a, b); } static boolean ewic(String a, String b) { return endsWithIgnoreCase(a, b); } static boolean ewic(String a, String b, Matches m) { return endsWithIgnoreCase(a, b, m); } static String asString(Object o) { return o == null ? null : o.toString(); } static int lCharSequence(CharSequence s) { return s == null ? 0 : s.length(); } static int lastIndexOf(String a, String b) { return a == null || b == null ? -1 : a.lastIndexOf(b); } static int lastIndexOf(String a, char b) { return a == null ? -1 : a.lastIndexOf(b); } // starts searching from i-1 static int lastIndexOf(List l, int i, A a) { if (l == null) return -1; for (i = min(l(l), i)-1; i >= 0; i--) if (eq(l.get(i), a)) return i; return -1; } static int lastIndexOf(List l, A a) { if (l == null) return -1; for (int i = l(l)-1; i >= 0; i--) if (eq(l.get(i), a)) return i; return -1; } // TODO: OurSyncCollections static Set synchroHashSet() { return Collections.synchronizedSet(new HashSet()); } static boolean endsWithIgnoreCase(String a, String b) { int la = l(a), lb = l(b); return la >= lb && regionMatchesIC(a, la-lb, b, 0, lb); } static boolean endsWithIgnoreCase(String a, String b, Matches m) { if (!endsWithIgnoreCase(a, b)) return false; if (m != null) m.m = new String[] { substring(a, 0, l(a)-l(b)) }; return true; } static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) { return a != null && a.regionMatches(true, offsetA, b, offsetB, len); } // immutable, has strong refs // Do not run in a synchronized block - it goes wrong in the presence // of elaborate classloaders (like in Gazelle BEA) // see #1102990 and #1102991 final static class _MethodCache { final Class c; final HashMap> cache = new HashMap(); _MethodCache(Class c) { this.c = c; _init(); } void _init() { Class _c = c; while (_c != null) { for (Method m : _c.getDeclaredMethods()) if (!isAbstract(m) && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); _c = _c.getSuperclass(); } // add default methods - this might lead to a duplication // because the overridden method is also added, but it's not // a problem except for minimal performance loss. for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if (m.isDefault() && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); } // Returns only matching methods Method findMethod(String method, Object[] args) { try { List m = cache.get(method); if (m == null) return null; int n = m.size(); for (int i = 0; i < n; i++) { Method me = m.get(i); if (call_checkArgs(me, args, false)) return me; } return null; } catch (Exception __e) { throw rethrow(__e); } } Method findStaticMethod(String method, Object[] args) { try { List m = cache.get(method); if (m == null) return null; int n = m.size(); for (int i = 0; i < n; i++) { Method me = m.get(i); if (isStaticMethod(me) && call_checkArgs(me, args, false)) return me; } return null; } catch (Exception __e) { throw rethrow(__e); } } } static abstract class VF1 implements IVF1 { public abstract void get(A a); } static interface IF2_Int { int get(int a, int b); } static class Matches { String[] m; Matches() {} Matches(String... m) { this.m = m;} String get(int i) { return i < m.length ? m[i] : null; } String unq(int i) { return unquote(get(i)); } String tlc(int i) { return unq(i).toLowerCase(); } boolean bool(int i) { return "true".equals(unq(i)); } String rest() { return m[m.length-1]; } // for matchStart int psi(int i) { return Integer.parseInt(unq(i)); } public String toString() { return "Matches(" + joinWithComma(quoteAll(asList(m))) + ")"; } public int hashCode() { return _hashCode(toList(m)); } public boolean equals(Object o) { return o instanceof Matches && arraysEqual(m, ((Matches) o).m); } } // for the version with MasterSymbol (used WAY back in "Smart Bot"!) see #1010608 static class Symbol implements CharSequence { String text; Symbol() {} Symbol(String text, boolean dummy) { this.text = text;} // weird signature to prevent accidental calling public int hashCode() { return _hashCode(text); } public String toString() { return text; } public boolean equals(Object o) { return this == o; } // implementation of CharSequence methods public int length() { return text.length(); } public char charAt(int index) { return text.charAt(index); } public CharSequence subSequence(int start, int end) { return text.substring(start, end); } } interface IQuerySound { int channels(); double getSample(int channel, double time); } static class Channels implements IFieldsToList{ A[] data; Channels() {} Channels(A[] data) { this.data = data;} public boolean equals(Object o) { if (!(o instanceof Channels)) return false; Channels __1 = (Channels) o; return eq(data, __1.data); } public int hashCode() { int h = 1497270256; h = boostHashCombine(h, _hashCode(data)); return h; } public Object[] _fieldsToList() { return new Object[] {data}; } Channels(int n) { data = newGenericArray(n); } int channels() { return l(data); } A get(int channel) { return data[channel]; } void set(int channel, A a) { data[channel] = a; } A first() { return main.first(data); } public String toString() { return "Channels[" + joinWithComma(data) + "]"; } } static final class BWImage implements MakesBufferedImage, IBWImage { int width, height; byte[] pixels; // color returned when getPixel is called with a position outside the actual image float borderColor = 0.0f; // for unstructure() BWImage() {} // BLACK! BWImage(int width, int height) { this.height = height; this.width = width; pixels = new byte[width*height]; } BWImage(int width, int height, float brightness) { this.height = height; this.width = width; pixels = new byte[width*height]; fillArrayUnlessZero(pixels, _toByte(brightness)); } BWImage(int width, int height, float[] pixels) { this.pixels = new byte[pixels.length]; this.height = height; this.width = width; for (int i = 0; i < pixels.length; i++) this.pixels[i] = _toByte(pixels[i]); } public BWImage(int width, int height, byte[] pixels) { this.height = height; this.width = width; this.pixels = pixels; } public BWImage(BWImage image) { width = image.getWidth(); height = image.getHeight(); byte[] pixels = this.pixels = new byte[width*height]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) pixels[y*width+x] = image.getByte(x, y); } // TODO: optimize! BWImage(RGBImage image) { width = image.getWidth(); height = image.getHeight(); byte[] pixels = this.pixels = new byte[height*width]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { RGB rgb = image.getRGB(x, y); pixels[y*width+x] = BWImage._toByte(rgb.getBrightness()); } } /*public BWImage(BufferedImage image) { this(new RGBImage(image)); }*/ BWImage(BufferedImage image) { try { width = image.getWidth(); height = image.getHeight(); int[] pixels = new int[width*height]; byte[] bytePixels = this.pixels = new byte[width*height]; PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width); if (!pixelGrabber.grabPixels()) throw fail("Could not grab pixels"); int n = width*height; for (int i = 0; i < n; i++) { //bytePixels[i] = pixelToByte(pixels[i]); int packed = pixels[i]; /*float r = ((packed >> 16) & 0xFF)/255f; float g = ((packed >> 8) & 0xFF)/255f; float b = (packed & 0xFF)/255f; bytePixels[i] = (byte) iround((r+g+b)/3.0f*255f);*/ int r = ((packed >> 16) & 0xFF); int g = ((packed >> 8) & 0xFF); int b = (packed & 0xFF); bytePixels[i] = (byte) ((r+g+b+1)/3); } } catch (Exception __e) { throw rethrow(__e); } } // TODO: does it exactly match the other method? (asRGB+getBrightness+_toByte) static byte pixelToByte(int packed) { /*int r = (packed >> 16) & 0xFF; int g = (packed >> 8) & 0xFF; int b = packed & 0xFF; ret (byte) ((r+g+b)/3.0f);*/ float r = ((packed >> 16) & 0xFF)/255f; float g = ((packed >> 8) & 0xFF)/255f; float b = (packed & 0xFF)/255f; return (byte) ((r+g+b)/3.0f*255f); } public byte getByte(int x, int y) { return inRange(x, y) ? getByte_noRangeCheck(x, y) : _toByte(borderColor); } int getInt(int x, int y) { return ubyteToInt(getByte(x, y)); } public double averageBrightness() { double sum = 0; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) sum += getPixel(x, y); return (sum/(double) (height*width)); } public float minimumBrightness() { float min = 1; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) min = Math.min(min, getPixel(x, y)); return min; } public float maximumBrightness() { float max = 0; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) max = Math.max(max, getPixel(x, y)); return max; } float getPixel(int x, int y) { return inRange(x, y) ? _toFloat(getByte(x,y )) : borderColor; } public float getFloatPixel(int x, int y) { return getPixel(x, y); } float getPixel(Pt p) { return getPixel(p.x, p.y); } static byte _toByte(float pixel) { return (byte) (pixel*255f); } static float _toFloat(byte pixel) { return (((int) pixel) & 255)/255f; } private boolean inRange(int x, int y) { return x >= 0 && x < width && y >= 0 && y < height; } public int getWidth() { return width; } int w() { return width; } public int getHeight() { return height; } int h() { return height; } public RGBImage toRGB() { int[] rgbs = new int[width*height]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { int b = getByte(x, y) & 0xFF; rgbs[y*width+x] = 0xFF000000 | b*0x010101; } return new RGBImage(width, height, rgbs); } public RGBImage toRGB_slow() { RGB[] rgbs = new RGB[width*height]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { float p = getPixel(x, y); rgbs[y*width+x] = new RGB(p, p, p); } return new RGBImage(width, height, rgbs); } public BWImage clip(int x, int y, int w, int h) { return clip(new Rectangle(x, y, w, h)); } private Rectangle fixClipRect(Rectangle r) { return r.intersection(new Rectangle(0, 0, width, height)); } BWImage clip(Rect r) { return clip(r.getRectangle()); } /** this should be multithread-safe */ public BWImage clip(Rectangle r) { r = fixClipRect(r); byte[] newPixels = new byte[r.height*r.width]; for (int y = 0; y < r.height; y++) for (int x = 0; x < r.width; x++) newPixels[y*r.width+x] = getByte(r.x+x, r.y+y); return new BWImage(r.width, r.height, newPixels); } public void setPixel(int x, int y, float brightness) { setByte(x, y, _toByte(fixPixel(brightness))); } // i = 0 to 255 public void setInt(int x, int y, int i) { setByte(x, y, (byte) limitToUByte(i)); } public void setByte(int x, int y, byte b) { if (x >= 0 && x < width && y >= 0 && y < height) pixels[y*width+x] = b; } byte getByte_noRangeCheck(int x, int y) { return pixels[y*width+x]; } public void setByte(int x, int y, int brightness) { setByte(x, y, (byte) brightness); } private float fixPixel(float pixel) { return Math.max(0, Math.min(1, pixel)); } public float getBorderColor() { return borderColor; } public void setBorderColor(float borderColor) { this.borderColor = borderColor; } public boolean anyPixelBrighterThan(double threshold) { for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) if (getPixel(x, y) > threshold) return true; return false; } public BufferedImage getBufferedImage() { //ret toRGB().getBufferedImage(); // TYPE_BYTE_GRAY is buggy - see #1015235 BufferedImage bufferedImage = new BufferedImage(width, height, /*BufferedImage.TYPE_BYTE_GRAY*/BufferedImage.TYPE_INT_RGB); for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { int b = ((int) getByte(x, y) & 0xFF); bufferedImage.setRGB(x, y, b*0x010101); } return bufferedImage; } byte[] getBytes() { return pixels; } } static class Complex implements IFieldsToList{ static final String _fieldOrder = "re im"; double re; double im; Complex() {} Complex(double re, double im) { this.im = im; this.re = re;} public boolean equals(Object o) { if (!(o instanceof Complex)) return false; Complex __1 = (Complex) o; return re == __1.re && im == __1.im; } public int hashCode() { int h = -1679819632; h = boostHashCombine(h, _hashCode(re)); h = boostHashCombine(h, _hashCode(im)); return h; } public Object[] _fieldsToList() { return new Object[] {re, im}; } double abs() { return sqrt(re*re+im*im); } double re() { return re; } double im() { return im; } final double angle(){ return phase(); } double phase() { return Math.atan2(im, re); } public String toString() { if (im != 0) return re == 0 ? im + "i" : re + "+" + im + "i"; else return str(re); } } // We're a a bit confused about whether the time coordinates are double // or int. (Probably int.) static class SlidingWindow implements IAudioSample { SlidingWindow() {} // general params double sampleRate = 48000; int channels; // length of window int length; // in samples per channel // start of window int start; // at which index in data array is our first value? int boundaryIndex; // in data // Here they are: the partial sums of the 16 bit audio samples // in an array of 6-byte integers. Channels are stored interleaved. HalfLongs data; // query original sound (channel, time -> short-range) IQuerySound sound; public double sampleRate() { return sampleRate; } public int channels() { return channels; } public DoubleRange bounds() { return new DoubleRange(start, start+length); } // result is in the range -32768*(end-start) to 32767*(end-start) public double sampleSum(int channel, double start, double end) { double a = start-this.start, b = end; return getEntry(channel, b-1)-getEntry(channel, a-1); } // with linear interpolation double getEntry(int channel, double t) { int tFloor = ifloor(t); long val = getEntry(channel, tFloor); if (tFloor == t) return val; long next = getEntry(channel, tFloor+1); return blend(val, next, t-tFloor); } // Get an entry of the sum table - allow for out-of-bounds // requests (those just default to silence). long getEntry(int channel, int i) { if (i < 0) return 0; i = min(i, length-1); // do the shift i = (i+boundaryIndex) % length; return data.get(i*channels+channel); } void setEntry(int channel, int i, long l) { // do the shift i = (i+boundaryIndex) % length; data.set(i*channels+channel, l); } // constructor - perform integration of the raw audio data SlidingWindow(int channels, double sampleRate, IQuerySound sound, int start, int length) { this.length = length; this.start = start; this.sound = sound; this.sampleRate = sampleRate; this.channels = channels; grab(); } short getSample_short(int channel, double relTime) { return clampToShort(iround(sound.getSample(channel, start+relTime))); } void grab() { assertTrue(length > 0); if (l(data) != length*channels) data = new HalfLongs(length*channels); long[] sums = new long[channels]; for (int i = 0; i < length; i++) for (int c = 0; c < channels; c++) setEntry(c, i, sums[c] += getSample_short(c, i)); } void moveTo(int newStart) { shiftRight(newStart-start); } void moveToCenter(int t) { moveTo(max(start, t-length/2)); } void shiftRight() { shiftRight(1); } void shiftRight(int n) { if (n == 0) return; assertTrue(n >= 0); int oldEnd = ifloor(end()); start += n; boundaryIndex = mod(boundaryIndex+n, length); int overlap = max(0, oldEnd-ifloor(start)); if (overlap == 0) grab(); else for (int i = overlap; i < length; i++) try { for (int c = 0; c < channels; c++) setEntry(c, i, getEntry(c, i-1) + getSample_short(c, i)); } catch (Throwable _e) { printVars("i", i, "start", start, "n", n, "length", length); throw rethrow(_e); } } } static class TreeHasKeyMap> extends HasKeyMap { TreeHasKeyMap() { init(); } TreeHasKeyMap(Iterable l) { init(); addAll(l); } void init() { map = new TreeMap(); } TreeMap map() { return (TreeMap) map; } A lastKey() { return main.lastKey(map()); } } /* * @(#)WeakHashMap.java 1.5 98/09/30 * * Copyright 1998 by Sun Microsystems, Inc., * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A. * All rights reserved. * * This software is the confidential and proprietary information * of Sun Microsystems, Inc. ("Confidential Information"). You * shall not disclose such Confidential Information and shall use * it only in accordance with the terms of the license agreement * you entered into with Sun. */ // From https://github.com/mernst/plume-lib/blob/df0bfafc3c16848d88f4ea0ef3c8bf3367ae085e/java/src/plume/WeakHasherMap.java static final class WeakHasherMap extends AbstractMap implements Map { private Hasher hasher = null; /*@Pure*/ private boolean keyEquals(Object k1, Object k2) { return (hasher==null ? k1.equals(k2) : hasher.equals(k1, k2)); } /*@Pure*/ private int keyHashCode(Object k1) { return (hasher==null ? k1.hashCode() : hasher.hashCode(k1)); } // The WeakKey class can't be static because it depends on the hasher. // That in turn means that its methods can't be static. // However, I need to be able to call the methods such as create() that // were static in the original version of this code. // This finesses that. private /*@Nullable*/ WeakKey WeakKeyCreate(K k) { if (k == null) return null; else return new WeakKey(k); } private /*@Nullable*/ WeakKey WeakKeyCreate(K k, ReferenceQueue q) { if (k == null) return null; else return new WeakKey(k, q); } // Cannot be a static class: uses keyHashCode() and keyEquals() private final class WeakKey extends WeakReference { private int hash; /* Hashcode of key, stored here since the key may be tossed by the GC */ private WeakKey(K k) { super(k); hash = keyHashCode(k); } private /*@Nullable*/ WeakKey create(K k) { if (k == null) return null; else return new WeakKey(k); } private WeakKey(K k, ReferenceQueue q) { super(k, q); hash = keyHashCode(k); } private /*@Nullable*/ WeakKey create(K k, ReferenceQueue q) { if (k == null) return null; else return new WeakKey(k, q); } /* A WeakKey is equal to another WeakKey iff they both refer to objects that are, in turn, equal according to their own equals methods */ /*@Pure*/ @Override public boolean equals(/*@Nullable*/ Object o) { if (o == null) return false; // never happens if (this == o) return true; // This test is illegal because WeakKey is a generic type, // so use the getClass hack below instead. // if (!(o instanceof WeakKey)) return false; if (!(o.getClass().equals(WeakKey.class))) return false; Object t = this.get(); @SuppressWarnings("unchecked") Object u = ((WeakKey)o).get(); if ((t == null) || (u == null)) return false; if (t == u) return true; return keyEquals(t, u); } /*@Pure*/ @Override public int hashCode() { return hash; } } /* Hash table mapping WeakKeys to values */ private HashMap hash; /* Reference queue for cleared WeakKeys */ private ReferenceQueue queue = new ReferenceQueue(); /* Remove all invalidated entries from the map, that is, remove all entries whose keys have been discarded. This method should be invoked once by each public mutator in this class. We don't invoke this method in public accessors because that can lead to surprising ConcurrentModificationExceptions. */ @SuppressWarnings("unchecked") private void processQueue() { WeakKey wk; while ((wk = (WeakKey)queue.poll()) != null) { // unchecked cast hash.remove(wk); } } /* -- Constructors -- */ /** * Constructs a new, empty WeakHashMap with the given * initial capacity and the given load factor. * * @param initialCapacity the initial capacity of the * WeakHashMap * * @param loadFactor the load factor of the WeakHashMap * * @throws IllegalArgumentException If the initial capacity is less than * zero, or if the load factor is * nonpositive */ public WeakHasherMap(int initialCapacity, float loadFactor) { hash = new HashMap(initialCapacity, loadFactor); } /** * Constructs a new, empty WeakHashMap with the given * initial capacity and the default load factor, which is * 0.75. * * @param initialCapacity the initial capacity of the * WeakHashMap * * @throws IllegalArgumentException If the initial capacity is less than * zero */ public WeakHasherMap(int initialCapacity) { hash = new HashMap(initialCapacity); } /** * Constructs a new, empty WeakHashMap with the default * capacity and the default load factor, which is 0.75. */ public WeakHasherMap() { hash = new HashMap(); } /** * Constructs a new, empty WeakHashMap with the default * capacity and the default load factor, which is 0.75. * The WeakHashMap uses the specified hasher for hashing * keys and comparing them for equality. * @param h the Hasher to use when hashing values for this map */ public WeakHasherMap(Hasher h) { hash = new HashMap(); hasher = h; } /* -- Simple queries -- */ /** * Returns the number of key-value mappings in this map. * Note: In contrast to most implementations of the * Map interface, the time required by this operation is * linear in the size of the map. */ /*@Pure*/ @Override public int size() { return entrySet().size(); } /** * Returns true if this map contains no key-value mappings. */ /*@Pure*/ @Override public boolean isEmpty() { return entrySet().isEmpty(); } /** * Returns true if this map contains a mapping for the * specified key. * * @param key the key whose presence in this map is to be tested */ /*@Pure*/ @Override public boolean containsKey(Object key) { @SuppressWarnings("unchecked") K kkey = (K) key; return hash.containsKey(WeakKeyCreate(kkey)); } /* -- Lookup and modification operations -- */ /** * Returns the value to which this map maps the specified key. * If this map does not contain a value for this key, then return * null. * * @param key the key whose associated value, if any, is to be returned */ /*@Pure*/ @Override public /*@Nullable*/ V get(Object key) { // type of argument is Object, not K @SuppressWarnings("unchecked") K kkey = (K) key; return hash.get(WeakKeyCreate(kkey)); } /** * Updates this map so that the given key maps to the given * value. If the map previously contained a mapping for * key then that mapping is replaced and the previous value is * returned. * * @param key the key that is to be mapped to the given * value * @param value the value to which the given key is to be * mapped * * @return the previous value to which this key was mapped, or * null if if there was no mapping for the key */ @Override public V put(K key, V value) { processQueue(); return hash.put(WeakKeyCreate(key, queue), value); } /** * Removes the mapping for the given key from this map, if * present. * * @param key the key whose mapping is to be removed * * @return the value to which this key was mapped, or null if * there was no mapping for the key */ @Override public V remove(Object key) { // type of argument is Object, not K processQueue(); @SuppressWarnings("unchecked") K kkey = (K) key; return hash.remove(WeakKeyCreate(kkey)); } /** * Removes all mappings from this map. */ @Override public void clear() { processQueue(); hash.clear(); } /* -- Views -- */ /* Internal class for entries */ // This can't be static, again because of dependence on hasher. @SuppressWarnings("TypeParameterShadowing") private final class Entry implements Map.Entry { private Map.Entry ent; private K key; /* Strong reference to key, so that the GC will leave it alone as long as this Entry exists */ Entry(Map.Entry ent, K key) { this.ent = ent; this.key = key; } /*@Pure*/ @Override public K getKey() { return key; } /*@Pure*/ @Override public V getValue() { return ent.getValue(); } @Override public V setValue(V value) { return ent.setValue(value); } /*@Pure*/ private boolean keyvalEquals(K o1, K o2) { return (o1 == null) ? (o2 == null) : keyEquals(o1, o2); } /*@Pure*/ private boolean valEquals(V o1, V o2) { return (o1 == null) ? (o2 == null) : o1.equals(o2); } /*@Pure*/ @SuppressWarnings("NonOverridingEquals") public boolean equals(Map.Entry e /* Object o*/) { // if (! (o instanceof Map.Entry)) return false; // Map.Entry e = (Map.Entry)o; return (keyvalEquals(key, e.getKey()) && valEquals(getValue(), e.getValue())); } /*@Pure*/ @Override public int hashCode() { V v; return (((key == null) ? 0 : keyHashCode(key)) ^ (((v = getValue()) == null) ? 0 : v.hashCode())); } } /* Internal class for entry sets */ private final class EntrySet extends AbstractSet> { Set> hashEntrySet = hash.entrySet(); @Override public Iterator> iterator() { return new Iterator>() { Iterator> hashIterator = hashEntrySet.iterator(); Map.Entry next = null; @Override public boolean hasNext() { while (hashIterator.hasNext()) { Map.Entry ent = hashIterator.next(); WeakKey wk = ent.getKey(); K k = null; if ((wk != null) && ((k = wk.get()) == null)) { /* Weak key has been cleared by GC */ continue; } next = new Entry(ent, k); return true; } return false; } @Override public Map.Entry next() { if ((next == null) && !hasNext()) throw new NoSuchElementException(); Map.Entry e = next; next = null; return e; } @Override public void remove() { hashIterator.remove(); } }; } /*@Pure*/ @Override public boolean isEmpty() { return !(iterator().hasNext()); } /*@Pure*/ @Override public int size() { int j = 0; for (Iterator> i = iterator(); i.hasNext(); i.next()) j++; return j; } @Override public boolean remove(Object o) { processQueue(); if (!(o instanceof Map.Entry)) return false; @SuppressWarnings("unchecked") Map.Entry e = (Map.Entry)o; // unchecked cast Object ev = e.getValue(); WeakKey wk = WeakKeyCreate(e.getKey()); Object hv = hash.get(wk); if ((hv == null) ? ((ev == null) && hash.containsKey(wk)) : hv.equals(ev)) { hash.remove(wk); return true; } return false; } /*@Pure*/ @Override public int hashCode() { int h = 0; for (Iterator> i = hashEntrySet.iterator(); i.hasNext(); ) { Map.Entry ent = i.next(); WeakKey wk = ent.getKey(); Object v; if (wk == null) continue; h += (wk.hashCode() ^ (((v = ent.getValue()) == null) ? 0 : v.hashCode())); } return h; } } private /*@Nullable*/ Set> entrySet = null; /** * Returns a Set view of the mappings in this map. */ /*@SideEffectFree*/ @Override public Set> entrySet() { if (entrySet == null) entrySet = new EntrySet(); return entrySet; } // find matching key K findKey(Object key) { processQueue(); K kkey = (K) key; // TODO: use replacement for HashMap to avoid reflection WeakKey wkey = WeakKeyCreate(kkey); WeakKey found = hashMap_findKey(hash, wkey); return found == null ? null : found.get(); } } static class RenderFrequencySample_Sine implements RenderFrequencySample { public double get(Complex c, double frac) { double phi = frac*twoPi(); return c.re() * sin(phi) + c.im() * sin(phi+pi()/2); } } static interface IIntegralImage extends MakesBufferedImage { public int getWidth(); public int getHeight(); default public Pt getSize() { return pt(getWidth(), getHeight()); } default public int defaultChannel() { return 0; } default public int nChannels() { return 3; } // get value for 1 channel // normal range [0; pixelCount*256) public double getIntegralValue(int x, int y, int channel); default double getIntegralValue(double x, double y, int channel) { return getIntegralValue(ifloor(x), ifloor(y), channel); } // gets value of the 3 channels // normal range [0; pixelCount*256*3) default double getIntegralValue(int x, int y) { return getIntegralValue(x, y, 0) + getIntegralValue(x, y, 1) + getIntegralValue(x, y, 2); } default double rectSum(int x1, int y1, int x2, int y2, int channel) { double bottomLeft = getIntegralValue(x1-1, y2-1, channel); double bottomRight = getIntegralValue(x2-1, y2-1, channel); double topLeft = getIntegralValue(x1-1, y1-1, channel); double topRight = getIntegralValue(x2-1, y1-1, channel); return bottomRight+topLeft-topRight-bottomLeft; } default double rectSum(double x1, double y1, double x2, double y2, int channel) { return rectSum(iround(x1), iround(y1), iround(x2), iround(y2), channel); } default double rectSum(int x1, int y1, int x2, int y2) { double bottomLeft = getIntegralValue(x1-1, y2-1); double bottomRight = getIntegralValue(x2-1, y2-1); double topLeft = getIntegralValue(x1-1, y1-1); double topRight = getIntegralValue(x2-1, y1-1); return bottomRight+topLeft-topRight-bottomLeft; } default double rectAverage(int x1, int y1, int x2, int y2, int channel) { return doubleRatio(rectSum(x1, y1, x2, y2, channel), areaFromPoints(x1, y1, x2, y2)); } default double rectAverage(Rect r, int channel) { return doubleRatio(rectSum(r, channel), rectArea(r)); } default double rectSum(Rect r) { return rectSum(r.x, r.y, r.x2(), r.y2()); } default double rectSum(Rect r, int channel) { return rectSum(r.x, r.y, r.x2(), r.y2(), channel); } default double pixelSum(DoubleRect r) { return rectSum(toRect_floor(r), defaultChannel()); } default IIntegralImage clip(int x, int y, int w, int h) { return new IIVirtualClip(this, x, y, w, h); } default double averageBrightness() { int w = getWidth(), h = getHeight(); return doubleRatio(getIntegralValue(w-1, h-1), w*h*3*255.0); } // normal range: (0, 255) default double getPixel(int x, int y, int channel) { return rectSum(x, y, x+1, y+1, channel); } // returns RGB pixel without alpha default int getPixel(int x, int y) { int r = iround(rectSum(x, y, x+1, y+1, 0)); int g = iround(rectSum(x, y, x+1, y+1, 1)); int b = iround(rectSum(x, y, x+1, y+1, 2)); return rgbInt(r, g, b); } default BufferedImage getBufferedImage() { int w = getWidth(), h = getHeight(); int[] pixels = new int[w*h]; int i = 0; for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) pixels[i++] = getPixel(x, y) | fullAlphaMask(); return intArrayToBufferedImage(pixels, w, h); } // minimum and maximum brightness possible in image // Better not to use because without this information // you have a more general recognition algorithm. //default DoubleRange colorRange(int channel) { ret doubleRange(0, 256); } } static class Fail extends RuntimeException implements IFieldsToList{ Object[] objects; Fail() {} Fail(Object... objects) { this.objects = objects;}public Object[] _fieldsToList() { return new Object[] {objects}; } Fail(Throwable cause, Object... objects) { super(cause); this.objects = objects; } public String toString() { return joinNemptiesWithColon("Fail", commaCombine(getCause(), objects)); } } static class Pair implements Comparable> { A a; B b; Pair() {} Pair(A a, B b) { this.b = b; this.a = a;} public int hashCode() { return hashCodeFor(a) + 2*hashCodeFor(b); } public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof Pair)) return false; Pair t = (Pair) o; return eq(a, t.a) && eq(b, t.b); } public String toString() { return "<" + a + ", " + b + ">"; } public int compareTo(Pair p) { if (p == null) return 1; int i = ((Comparable) a).compareTo(p.a); if (i != 0) return i; return ((Comparable) b).compareTo(p.b); } } static class RenderFrequencySample_SquareWave implements RenderFrequencySample { public double get(Complex c, double frac) { double abs = c.abs(); if (abs == 0) return 0; frac = frac(frac + c.angle()/twoPi()); return abs * (frac < .5 ? 1 : -1); } } // it's unclear whether the end is inclusive or exclusive // (usually exclusive I guess) static class IntRange { int start, end; IntRange() {} IntRange(int start, int end) { this.end = end; this.start = start;} IntRange(IntRange r) { start = r.start; end = r.end; } public boolean equals(Object o) { return stdEq2(this, o); } public int hashCode() { return stdHash2(this); } final int length() { return end-start; } final boolean empty() { return start >= end; } final boolean isEmpty() { return start >= end; } static String _fieldOrder = "start end"; public String toString() { return "[" + start + ";" + end + "]"; } } static abstract class F0 { abstract A get(); } static abstract class F1 { abstract B get(A a); } // you still need to implement hasNext() and next() static abstract class IterableIterator implements Iterator, Iterable { public Iterator iterator() { return this; } public void remove() { unsupportedOperation(); } } static class TreeMultiMap extends MultiMap { TreeMultiMap() { super(true); } } abstract static class HasKey { A key() { return key; } A key; HasKey() {} HasKey(A key) { this.key = key;} public String toString() { return "key " + key; } } static interface MakesBufferedImage extends WidthAndHeight { BufferedImage getBufferedImage(); public default void drawAt(Graphics2D g, int x, int y) { g.drawImage(getBufferedImage(), x, y, null); } } // grayscale, actually final static class BWIntegralImage extends Meta implements MakesBufferedImage, IBWIntegralImage, IIntegralImage { int w, h; int[] data; // 1 entry per pixel BWIntegralImage() {} BWIntegralImage(File f) { this(loadImage2(f)); } BWIntegralImage(MakesBufferedImage img) { this(toBufferedImage(img)); } //*(BufferedImage img) { this(BWImage(img)); } BWIntegralImage(BufferedImage image) { try { alloc(image.getWidth(), image.getHeight()); try { GrabbableIntPixels gp = grabbableIntPixels(image); if (gp != null) { grab(gp); return; } } catch (Throwable __e) { printStackTrace(__e); } // Use pixelGrabber if quick method fails PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, w, h, data, 0, w); if (!pixelGrabber.grabPixels()) throw fail("Could not grab pixels"); grab(new GrabbableIntPixels(data, w, h, 0, w)); } catch (Exception __e) { throw rethrow(__e); } } BWIntegralImage(GrabbableIntPixels gp) { alloc(gp.w, gp.h); grab(gp); } void grab(GrabbableIntPixels gp) { int offset = gp.offset; int[] image = gp.data; int sum = 0; for (int x = 0; x < w; x++) { int packed = image[offset+x]; int brightness = packedToBrightness(packed); data[x] = (sum += brightness); } int scanlineExtra = gp.scanlineStride-w; int iImage = offset+gp.scanlineStride, i = w; for (int y = 1; y < h; y++) { sum = 0; for (int x = 0; x < w; x++) { int packed = image[iImage]; int brightness = packedToBrightness(packed); sum += brightness; data[i] = sum + data[i-w]; iImage++; i++; } iImage += scanlineExtra; } // for y } BWIntegralImage(BWImage img) { alloc(img.w(), img.h()); data = new int[w*h]; int i = 0; for (int y = 0; y < h; y++) { int sum = 0; for (int x = 0; x < w; x++) { sum += img.getByte(x, y) & 0xFF; data[i] = y > 0 ? sum + data[i-w] : sum; i++; } } } private void alloc(int w, int h) { this.w = w; this.h = h; if (w*h > 8*1024*1024) throw fail("Image too large (more than 8 MP): " + w + "*" + h); data = new int[w*h]; } // pixels outside of image are considered black int get(int x, int y) { return x < 0 || y < 0 ? 0 : data[min(y, h-1)*w+min(x, w-1)]; } public int getIIValue(int x, int y) { return get(x, y); } public double getIntegralValue(int x, int y, int channel) { return get(x, y); } public double getPixelAverage(int x1, int y1, int x2, int y2) { int area = (x2-x1)*(y2-y1); return doubleRatio(bwIntegralImage_sumRect(this, x1, y1, x2, y2), area); } public int getWidth() { return w; } public int getHeight() { return h; } // unoptimized public BufferedImage getBufferedImage() { return scaleDownUsingIntegralImageBW(this, w).getBufferedImage(); } int packedToBrightness(int packed) { int b = (packed & 0xFF); int r = ((packed >> 16) & 0xFF); int g = ((packed >> 8) & 0xFF); return (r+g+b+1)/3; } // returns RGB pixel without alpha public int getPixel(int x, int y) { int r = iround(rectSum(x, y, x+1, y+1, 0)); int g = iround(rectSum(x, y, x+1, y+1, 1)); int b = iround(rectSum(x, y, x+1, y+1, 2)); return rgbInt(r, g, b); } } final static class DoubleRange implements Comparable { double start() { return start; } double start; double end() { return end; } double end; DoubleRange() {} DoubleRange(double start, double end) { this.end = end; this.start = start;} public boolean equals(Object o) { return stdEq2(this, o); } public int hashCode() { return stdHash2(this); } double length() { return end-start; } boolean isEmpty() { return start >= end; } double center() { return (start+end)/2; } static String _fieldOrder = "start end"; public String toString() { return "[" + start + ";" + end + "]"; } @Override public int compareTo(DoubleRange r) { int c = cmp(start, r.start); if (c != 0) return c; return cmp(end, r.end); } } static interface IF0 { A get(); } static interface Hasher { int hashCode(A a); boolean equals(A a, A b); } static interface IF2 { C get(A a, B b); } static interface IF1 { B get(A a); } // It works like this: There is a general interface for accessing an "integrated" audio clip - IAudioSample. interface IAudioSample { int channels(); // 1 for mono, 2 for left+right, 3 for center+left+right... or whatever channel model you prefer DoubleRange bounds(); // our bounding box in samples according to sampleRate double sampleRate(); // in hertz default double start() { return bounds().start(); } default double end() { return bounds().end(); } default double length() { return l(bounds()); } // Query the integral. // Result is in the range -32768*(end-start) to 32767*(end-start)... // unless you applied too much gain (there is no clipping). // channel is between 0 and channels()-1 from here on out double sampleSum(int channel, double start, double end); // Here the range is -1 to 1 just to spice things up default double getPixel(int channel, double start, double end) { return doubleRatio(sampleSum(channel, start, end), (end-start)*32768); } // RENDERING FUNCTIONS (visualize audio as BufferedImage) // [also "acoustic" rendering] // render audio as black-and-white (grayscale) stripes // h = height per channel default BufferedImage stripes() { return stripes(50); } default BufferedImage stripes(int h) { int w = iceil(length()); int channels = channels(); return imageFromFunction(w, h*channels, (x, y) -> { int channel = y/h; double value = sampleSum(channel, x, x+1); // lose lower 8 bits and shift to 0 to 255 int digital = ifloor(value/256)+128; return rgbIntFullAlpha(digital, digital, digital); }); } // render audio as graph // h = height per channel default BufferedImage graph() { return graph(100); } default BufferedImage graph(int h) { int w = iceil(length()); return mergeBufferedImagesVertically( countIteratorToList(channels(), c -> simpleGraph(w, h, x -> sampleSum(c, x, x+1), -32768, 32767))); } // render audio as stripes + graph (best way to look at it) default BufferedImage render() { return render(100); } default BufferedImage render(int h) { return mergeBufferedImagesVertically(stripes(h/2), graph(h)); } // in bounds // all channels default short[] toShortArray() { DoubleRange r = bounds(); int i = ifloor(r.start()), j = ifloor(r.end()); int n = max(0, j-i); var channels = channels(); short[] array = new short[n*channels]; int iArray = 0; for (; i < j; i++) for (int c = 0; c < channels; c++) array[iArray++] = clampToShort(iround(sampleSum(c, i, i+1))); return array; } // END OF RENDERING FUNCTIONS // find maximum amplitude, going pixel-by-pixel // (remember: This clip may already have been temporally // scaled with speedUp(), so a "pixel" may represent the average // of multiple audio samples.) default double maxAmplitude() { int n = iceil(length()), channels = channels(); double max = 0; for (int i = 0; i < n; i++) for (int c = 0; c < channels; c++) max = max(max, abs(sampleSum(c, i, i+1))); return min(32767, max); } // There are various non-destructive virtual transformations // which you can do on the audio clip (gain, speed-up and time-shift). // All transformations are affine in time and amplitude and thus // preserve the "integral image" property. default IAudioSample gain(double factor) { return factor == 1 ? this : new AudioSampleOps.Gain(factor, this); } // gain to maximum volume possible without clipping // (even though clipping isn't even a thing in integral audio wonderland, // so we just define "clipping" as exceeding the 32767 value we are used to from real audio.) default IAudioSample normalize() { return gain(doubleRatio(32767, maxAmplitude())); } // resample with a factor public default IAudioSample speedUp(double factor) { return factor == 1 ? this : new AudioSampleOps.SpeedUp(factor, this); } // resample to a target frequency public default IAudioSample sampleAt(double freq) { return speedUp(sampleRate()/freq); } public default IAudioSample shift(double shift){ return timeShift(shift); } public default IAudioSample timeShift(double shift) { return shift == 0 ? this : new AudioSampleOps.TimeShift(shift, this); } // For debug-printing. Valued from 0 to 1 this time because why not. First channel only default List firstPixels() { return firstPixels(20); } default List firstPixels(int n) { double[] pixels = new double[n]; for (int i = 0; i < n; i++) pixels[i] = sampleSum(0, i, i+1)/32768; return wrapDoubleArrayAsList(pixels); } } // end of IAudioSample static class PersistableThrowable extends DynamicObject { String className; String msg; String stacktrace; PersistableThrowable() {} PersistableThrowable(Throwable e) { if (e == null) className = "Crazy Null Error"; else { className = getClassName(e).replace('/', '.'); msg = e.getMessage(); stacktrace = getStackTrace_noRecord(e); } } public String toString() { return nempty(msg) ? className + ": " + msg : className; } } static class Frequency implements Comparable , IFieldsToList{ double frequency; Frequency() {} public boolean equals(Object o) { if (!(o instanceof Frequency)) return false; Frequency __1 = (Frequency) o; return frequency == __1.frequency; } public int hashCode() { int h = 1933944124; h = boostHashCombine(h, _hashCode(frequency)); return h; } public Object[] _fieldsToList() { return new Object[] {frequency}; } double interval() { return interval; } double interval; final double get(){ return frequency(); } double frequency() { return frequency; } Frequency(double frequency) { this.frequency = frequency; interval = doubleRatio(1, frequency); } public String toString() { return frequency + " Hz"; } public int compareTo(Frequency f) { return cmp(frequency, f.frequency); } } static class AudioHaarFeature implements IFieldsToList{ IAudioSample sample; double start; double end; AudioHaarFeature() {} AudioHaarFeature(IAudioSample sample, double start, double end) { this.end = end; this.start = start; this.sample = sample;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + sample + ", " + start + ", " + end + ")"; }public Object[] _fieldsToList() { return new Object[] {sample, start, end}; } double factor = 1; boolean alternatePhase = false; // sample 90° phase shift? AudioHaarFeature(IAudioSample sample, DoubleRange r) { this.sample = sample; start = r.start; end = r.end; } double mid() { return (start+end)/2; } double get(int channel) { double value; if (alternatePhase) { double quarter = start+(end-start)*.25, threeQuarters = start+(end-start)*.75; value = sample.sampleSum(channel, start, end) - sample.sampleSum(channel, quarter, threeQuarters)*2; } else { double mid = mid(); value = sample.sampleSum(channel, start, mid) - sample.sampleSum(channel, mid, end); } return mul_optFor1(factor, value); } Channels get() { return mapChannels(__29 -> get(__29), sample.channels()); } Complex getComplex(int channel) { alternatePhase = true; double re = get(channel); alternatePhase = false; double im = get(channel); return complex(re, im); } Channels getComplex() { return mapChannels(__30 -> getComplex(__30), sample.channels()); } } static class RGBImage implements MakesBufferedImage { transient BufferedImage bufferedImage; File file; int width, height; int[] pixels; RGBImage() {} RGBImage(BufferedImage image) { this(image, null); } RGBImage(BufferedImage image, File file) { this.file = file; bufferedImage = image; width = image.getWidth(); height = image.getHeight(); pixels = new int[width*height]; PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width); try { if (!pixelGrabber.grabPixels()) throw new RuntimeException("Could not grab pixels"); cleanPixels(); // set upper byte to 0 } catch (InterruptedException e) { throw new RuntimeException(e); } } /** We assume it's a file name to load from */ RGBImage(String file) throws IOException { this(new File(file)); } RGBImage(Dimension size, Color color) { this(size.width, size.height, color); } RGBImage(Dimension size, RGB color) { this(size.width, size.height, color); } private void cleanPixels() { for (int i = 0; i < pixels.length; i++) pixels[i] &= 0xFFFFFF; } RGBImage(int width, int height, int[] pixels) { this.width = width; this.height = height; this.pixels = pixels; } RGBImage(int w, int h, RGB[] pixels) { this.width = w; this.height = h; this.pixels = asInts(pixels); } public static int[] asInts(RGB[] pixels) { int[] ints = new int[pixels.length]; for (int i = 0; i < pixels.length; i++) ints[i] = pixels[i] == null ? 0 : pixels[i].getColor().getRGB(); return ints; } public RGBImage(int w, int h) { this(w, h, Color.black); } RGBImage(int w, int h, RGB rgb) { this.width = w; this.height = h; this.pixels = new int[w*h]; int col = rgb.asInt(); if (col != 0) for (int i = 0; i < pixels.length; i++) pixels[i] = col; } RGBImage(RGBImage image) { this(image.width, image.height, copyPixels(image.pixels)); } RGBImage(int width, int height, Color color) { this(width, height, new RGB(color)); } RGBImage(File file) throws IOException { this(javax.imageio.ImageIO.read(file)); } RGBImage(MakesBufferedImage img) { this(toBufferedImage(img)); } private static int[] copyPixels(int[] pixels) { int[] copy = new int[pixels.length]; System.arraycopy(pixels, 0, copy, 0, pixels.length); return copy; } public int getIntPixel(int x, int y) { if (inRange(x, y)) return pixels[y * width + x]; else return 0xFFFFFF; } public static RGB asRGB(int packed) { int r = (packed >> 16) & 0xFF; int g = (packed >> 8) & 0xFF; int b = packed & 0xFF; return new RGB(r / 255f, g / 255f, b / 255f); } public RGB getRGB(int x, int y) { if (inRange(x, y)) return asRGB(pixels[y * width + x]); else return new RGB(0xFFFFFF); } /** alias of getRGB - I kept typing getPixel instead of getRGB all the time, so I finally created it */ RGB getPixel(int x, int y) { return getRGB(x, y); } RGB getPixel(Pt p) { return getPixel(p.x, p.y); } public int getWidth() { return width; } public int getHeight() { return height; } int w() { return width; } int h() { return height; } /** Attention: cached, i.e. does not change when image itself changes */ /** @NotNull */ public BufferedImage getBufferedImage() { if (bufferedImage == null) { bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); //bufferedImage.setData(Raster.createRaster(new SampleModel())); for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) bufferedImage.setRGB(x, y, pixels[y*width+x]); } return bufferedImage; } RGBImage clip(Rect r) { return r == null ? null : clip(r.getRectangle()); } RGBImage clip(Rectangle r) { r = fixClipRect(r); if (r.x == 0 && r.y == 0 && r.width == width && r.height == height) return this; int[] newPixels; try { newPixels = new int[r.width*r.height]; } catch (RuntimeException e) { System.out.println(r); throw e; } for (int y = 0; y < r.height; y++) { System.arraycopy(pixels, (y+r.y)*width+r.x, newPixels, y*r.width, r.width); } return new RGBImage(r.width, r.height, newPixels); } private Rectangle fixClipRect(Rectangle r) { r = r.intersection(new Rectangle(0, 0, width, height)); if (r.isEmpty()) r = new Rectangle(r.x, r.y, 0, 0); return r; } public File getFile() { return file; } /** can now also do GIF (not just JPEG) */ public static RGBImage load(String fileName) { return load(new File(fileName)); } /** can now also do GIF (not just JPEG) */ public static RGBImage load(File file) { try { BufferedImage bufferedImage = javax.imageio.ImageIO.read(file); return new RGBImage(bufferedImage); } catch (IOException e) { throw new RuntimeException(e); } } public int getInt(int x, int y) { return pixels[y * width + x]; } public void save(File file) throws IOException { String name = file.getName().toLowerCase(); String type; if (name.endsWith(".png")) type = "png"; else if (name.endsWith(".jpg") || name.endsWith(".jpeg")) type = "jpeg"; else throw new IOException("Unknown image extension: " + name); javax.imageio.ImageIO.write(getBufferedImage(), type, file); } public static RGBImage dummyImage() { return new RGBImage(1, 1, new int[] {0xFFFFFF}); } public int[] getPixels() { return pixels; } void setPixel(int x, int y, int r, int g, int b) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = (limitToUByte(r) << 16) | (limitToUByte(g) << 8) | limitToUByte(b); } public void setPixel(int x, int y, RGB rgb) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = rgb.asInt(); } final public void set(int x, int y, Color color){ setPixel(x, y, color); } public void setPixel(int x, int y, Color color) { setPixel(x, y, new RGB(color)); } void setInt(int x, int y, int rgb) { setPixel(x, y, rgb); } public void setPixel(int x, int y, int rgb) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = rgb; } void setPixel(Pt p, RGB rgb) { setPixel(p.x, p.y, rgb); } void setPixel(Pt p, Color color) { setPixel(p.x, p.y, color); } public RGBImage copy() { return new RGBImage(this); } public boolean inRange(int x, int y) { return x >= 0 && y >= 0 && x < width && y < height; } public Dimension getSize() { return new Dimension(width, height); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; RGBImage rgbImage = (RGBImage) o; if (height != rgbImage.height) return false; if (width != rgbImage.width) return false; if (!Arrays.equals(pixels, rgbImage.pixels)) return false; return true; } @Override public int hashCode() { int result = width; result = 31 * result + height; result = 31 * result + Arrays.hashCode(pixels); return result; } public String getHex(int x, int y) { return getPixel(x, y).getHexString(); } public RGBImage clip(int x, int y, int width, int height) { return clip(new Rectangle(x, y, width, height)); } public RGBImage clipLine(int y) { return clip(0, y, width, 1); } public int numPixels() { return width*height; } void uncacheBufferedImage() { bufferedImage = null; } } // Meta - a "minimal" approach to adding meta-level to Java objects static class Meta implements IMeta { // We allocate one extra field for each Java object to make it // reasoning-compatible. We couldn't go for 0 extra fields and // there are no half fields in Java... so there you go. // Also, if you don't use any meta data, you are probably not // reasoning about anything. The point of reasoning in JavaX is // to attach information to objects directly used in the program. // Possible information contained in the meta field: // Origin, destination, security level, sender, cost center, // purpose, list of reifications, ... // So here it is. THE FIELD YOU HAVE BEEN WAITING FOR // We also have IMeta to retrofit foreign classes (rare but // probably useful) //////////// // "meta" // //////////// // Generic meta value of any kind, but the typical case is it's a // Map with extra field values for the object etc. // "meta" is volatile to avoid synchronization; but you can also synchronize on // _tempMetaMutex() which is usually the object itself. Collections // and maps are exempt from using the collections's monitor as the meta // mutex because their monitor tends to be held for long operations // (e.g. cloneList). For those we use a substantially more complex // algorithm using a weakMap. Probably overkill. I may reconsider. volatile Object meta; // The meta field is not transient, thus by default it will be // persisted like anything else unless you customize your object // to suppress or modulate this. // ...and the interface methods public void _setMeta(Object meta) { this.meta = meta; } public Object _getMeta() { return meta; } // MOST functions are implemented in IMeta (default implementations) } final static class Rect implements IFieldsToList{ static final String _fieldOrder = "x y w h"; int x; int y; int w; int h; Rect() {} Rect(int x, int y, int w, int h) { this.h = h; this.w = w; this.y = y; this.x = x;} public boolean equals(Object o) { if (!(o instanceof Rect)) return false; Rect __1 = (Rect) o; return x == __1.x && y == __1.y && w == __1.w && h == __1.h; } public int hashCode() { int h = 2543108; h = boostHashCombine(h, _hashCode(x)); h = boostHashCombine(h, _hashCode(y)); h = boostHashCombine(h, _hashCode(w)); h = boostHashCombine(h, _hashCode(h)); return h; } public Object[] _fieldsToList() { return new Object[] {x, y, w, h}; } Rect(Rectangle r) { x = r.x; y = r.y; w = r.width; h = r.height; } Rect(Pt p, int w, int h) { this.h = h; this.w = w; x = p.x; y = p.y; } Rect(Rect r) { x = r.x; y = r.y; w = r.w; h = r.h; } Rectangle getRectangle() { return new Rectangle(x, y, w, h); } public String toString() { return x + "," + y + " / " + w + "," + h; } int x1() { return x; } int y1() { return y; } int x2() { return x + w; } int y2() { return y + h; } boolean contains(Pt p) { return contains(p.x, p.y); } boolean contains(int _x, int _y) { return _x >= x && _y >= y && _x < x+w && _y < y+h; } boolean empty() { return w <= 0 || h <= 0; } } static interface IBWImage { int getWidth(); int getHeight(); float getFloatPixel(int x, int y); // usually between 0 and 1 } static class Pt implements Comparable { int x, y; Pt() {} Pt(Point p) { x = p.x; y = p.y; } Pt(int x, int y) { this.y = y; this.x = x;} Point getPoint() { return new Point(x, y); } public boolean equals(Object o) { return o instanceof Pt && x == ((Pt) o).x && y == ((Pt) o).y; } public int hashCode() { return boostHashCombine(x, y); } // compare in scan order public int compareTo(Pt p) { if (y != p.y) return cmp(y, p.y); return cmp(x, p.x); } public String toString() { return x + ", " + y; } } // an array of 6-byte integers static class HalfLongs { HalfLongs() {} short[] data; int length; HalfLongs(int length) { this.length = length; data = new short[safeToInt(length*3L)]; } public int size() { return length; } public void set(int i, long val) { data[i*3] = (short) val; data[i*3+1] = (short) (val >> 16); data[i*3+2] = (short) (val >> 32); } public long get(int i) { return ushortToLong(data[i*3]) | (ushortToLong(data[i*3+1]) << 16) | (data[i*3+2] << 32); } } interface RenderFrequencySample { public double get(Complex c, double frac); } static class RGB { public float r, g, b; // can't be final cause persistence RGB() {} public RGB(float r, float g, float b) { this.r = r; this.g = g; this.b = b; } public RGB(double r, double g, double b) { this.r = (float) r; this.g = (float) g; this.b = (float) b; } public RGB(double[] rgb) { this(rgb[0], rgb[1], rgb[2]); } public RGB(int rgb) { this(new Color(rgb)); } public RGB(double brightness) { this.r = this.g = this.b = max(0f, min(1f, (float) brightness)); } public RGB(Color color) { this.r = color.getRed()/255f; this.g = color.getGreen()/255f; this.b = color.getBlue()/255f; } // TODO: 3-char version public RGB(String hex) { int i = l(hex)-6; r = Integer.parseInt(hex.substring(i, i+2), 16)/255f; g = Integer.parseInt(hex.substring(i+2, i+4), 16)/255f; b = Integer.parseInt(hex.substring(i+4, i+6), 16)/255f; } public float getComponent(int i) { return i == 0 ? r : i == 1 ? g : b; } public int getInt(int i) { return i == 0 ? redInt() : i == 1 ? greenInt() : blueInt(); } public Color getColor() { return new Color(r, g, b); } public static RGB newSafe(float r, float g, float b) { return new RGB(Math.max(0, Math.min(1, r)), Math.max(0, Math.min(1, g)), Math.max(0, Math.min(1, b))); } int asInt() { return getColor().getRGB() & 0xFFFFFF; } int getInt() { return getColor().getRGB() & 0xFFFFFF; } int asIntWithAlpha() { return rgbInt(redInt(), greenInt(), blueInt()) | 0xFF000000; } public float getBrightness() { return (r+g+b)/3.0f; } public String getHexString() { return Integer.toHexString(asInt() | 0xFF000000).substring(2).toUpperCase(); } @Override public boolean equals(Object o) { if (this == o) return true; if (!(o instanceof RGB)) return false; RGB rgb = (RGB) o; if (Float.compare(rgb.b, b) != 0) return false; if (Float.compare(rgb.g, g) != 0) return false; if (Float.compare(rgb.r, r) != 0) return false; return true; } @Override public int hashCode() { int result = (r != +0.0f ? Float.floatToIntBits(r) : 0); result = 31 * result + (g != +0.0f ? Float.floatToIntBits(g) : 0); result = 31 * result + (b != +0.0f ? Float.floatToIntBits(b) : 0); return result; } public boolean isBlack() { return r == 0f && g == 0f && b == 0f; } public boolean isWhite() { return r == 1f && g == 1f && b == 1f; } public String toString() { return getHexString(); } int redInt() { return iround(r*255); } int greenInt() { return iround(g*255); } int blueInt() { return iround(b*255); } } static class DoubleRect { double x, y, w, h; DoubleRect() {} DoubleRect(Rectangle r) { x = r.x; y = r.y; w = r.width; h = r.height; } DoubleRect(double x, double y, double w, double h) { this.h = h; this.w = w; this.y = y; this.x = x;} // Huh. not implementing equals()/hashCode? Stefan is mysterious boolean eq(Object o) { if (!(o instanceof DoubleRect)) return false; if (o == this) return true; DoubleRect r = (DoubleRect) o; return x == r.x && y == r.y && w == r.w && h == r.h; } public String toString() { return x + "," + y + " / " + w + "," + h; } double x1() { return x; } double y1() { return y; } double x2() { return x + w; } double y2() { return y + h; } boolean contains(Pt p) { return contains(p.x, p.y); } boolean contains(double _x, double _y) { return _x >= x && _y >= y && _x < x+w && _y < y+h; } boolean empty() { return w <= 0 || h <= 0; } } static class IIVirtualClip extends Meta implements IIntegralImage { RegisteredReference < IIntegralImage > fullImage = new RegisteredReference<>(this); int x1, y1, w, h; IIVirtualClip() {} IIVirtualClip(IIntegralImage fullImage, int x1, int y1, int w, int h) { this.fullImage.set(fullImage); this.h = h; this.w = w; this.y1 = y1; this.x1 = x1; } public int getWidth() { return w; } public int getHeight() { return h; } public double getIntegralValue(int x, int y, int channel) { return fullImage.get().getIntegralValue(x+x1, y+y1, channel); } public double getIntegralValue(int x, int y) { return fullImage.get().getIntegralValue(x+x1, y+y1); } public BufferedImage getBufferedImage() { return clipBufferedImage(fullImage.get().getBufferedImage(), x1, y1, w, h); } } static class GrabbableIntPixels implements IFieldsToList{ static final String _fieldOrder = "data w h offset scanlineStride"; int[] data; int w; int h; int offset; int scanlineStride; GrabbableIntPixels() {} GrabbableIntPixels(int[] data, int w, int h, int offset, int scanlineStride) { this.scanlineStride = scanlineStride; this.offset = offset; this.h = h; this.w = w; this.data = data;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + data + ", " + w + ", " + h + ", " + offset + ", " + scanlineStride + ")"; } public boolean equals(Object o) { if (!(o instanceof GrabbableIntPixels)) return false; GrabbableIntPixels __1 = (GrabbableIntPixels) o; return eq(data, __1.data) && w == __1.w && h == __1.h && offset == __1.offset && scanlineStride == __1.scanlineStride; } public int hashCode() { int h = -1183022196; h = boostHashCombine(h, _hashCode(data)); h = boostHashCombine(h, _hashCode(w)); h = boostHashCombine(h, _hashCode(h)); h = boostHashCombine(h, _hashCode(offset)); h = boostHashCombine(h, _hashCode(scanlineStride)); return h; } public Object[] _fieldsToList() { return new Object[] {data, w, h, offset, scanlineStride}; } } static class MultiMap { Map> data = new HashMap>(); int fullSize; MultiMap() {} MultiMap(boolean useTreeMap) { if (useTreeMap) data = new TreeMap(); } MultiMap(MultiMap map) { putAll(map); } MultiMap(Map> data) { this.data = data;} void put(A key, B value) { synchronized(data) { List list = data.get(key); if (list == null) data.put(key, list = _makeEmptyList()); list.add(value); ++fullSize; }} void add(A key, B value) { put(key, value); } void addAll(A key, Collection values) { putAll(key, values); } void addAllIfNotThere(A key, Collection values) { synchronized(data) { for (B value : values) setPut(key, value); }} void setPut(A key, B value) { synchronized(data) { if (!containsPair(key, value)) put(key, value); }} boolean containsPair(A key, B value) { synchronized(data) { return get(key).contains(value); }} void putAll(Collection keys, B value) { synchronized(data) { for (A key : unnullForIteration(keys)) put(key, value); }} void putAll(A key, Collection values) { synchronized(data) { if (nempty(values)) getActual(key).addAll(values); }} void putAll(Iterable> pairs) { synchronized(data) { for (Pair p : unnullForIteration(pairs)) put(p.a, p.b); }} void removeAll(A key, Collection values) { synchronized(data) { for (B value : values) remove(key, value); }} List get(A key) { synchronized(data) { List list = data.get(key); return list == null ? Collections. emptyList() : list; }} List getOpt(A key) { synchronized(data) { return data.get(key); }} List getAndClear(A key) { synchronized(data) { List l = cloneList(data.get(key)); remove(key); return l; }} // returns actual mutable live list // creates the list if not there List getActual(A key) { synchronized(data) { List list = data.get(key); if (list == null) data.put(key, list = _makeEmptyList()); return list; }} void clean(A key) { synchronized(data) { List list = data.get(key); if (list != null && list.isEmpty()) { fullSize -= l(list); data.remove(key); } }} Set keySet() { synchronized(data) { return data.keySet(); }} Set keys() { synchronized(data) { return data.keySet(); }} void remove(A key) { synchronized(data) { fullSize -= l(getOpt(key)); data.remove(key); }} void remove(A key, B value) { synchronized(data) { List list = data.get(key); if (list != null) { if (list.remove(value)) fullSize--; if (list.isEmpty()) data.remove(key); } }} void clear() { synchronized(data) { data.clear(); }} boolean containsKey(A key) { synchronized(data) { return data.containsKey(key); }} B getFirst(A key) { synchronized(data) { List list = get(key); return list.isEmpty() ? null : list.get(0); }} void addAll(MultiMap map) { putAll(map); } void putAll(MultiMap map) { synchronized(data) { for (A key : map.keySet()) putAll(key, map.get(key)); }} void putAll(Map map) { synchronized(data) { if (map != null) for (Map.Entry e : map.entrySet()) put(e.getKey(), e.getValue()); }} final int keyCount(){ return keysSize(); } int keysSize() { synchronized(data) { return l(data); }} // full size - note: expensive operation final int fullSize(){ return size(); } int size() { synchronized(data) { return fullSize; }} // expensive operation List reverseGet(B b) { synchronized(data) { List l = new ArrayList(); for (A key : data.keySet()) if (data.get(key).contains(b)) l.add(key); return l; }} Map> asMap() { synchronized(data) { return cloneMap(data); }} boolean isEmpty() { synchronized(data) { return data.isEmpty(); }} // override in subclasses List _makeEmptyList() { return new ArrayList(); } // returns live lists Collection> allLists() { synchronized(data) { return new ArrayList(data.values()); } } Collection> values() { return allLists(); } List allValues() { return concatLists(data.values()); } Object mutex() { return data; } public String toString() { return "mm" + str(data); } } static interface IBWIntegralImage extends MakesBufferedImage { public int getWidth(); public int getHeight(); public int getIIValue(int x, int y); // 0.0 to 255.0 default public double getPixelAverage(int x1, int y1, int x2, int y2) { int area = (x2-x1)*(y2-y1); return doubleRatio(getPixelSum(x1, y1, x2, y2), area); } default public double getPixelAverage(Rect r) { return getPixelAverage(r.x, r.y, r.x2(), r.y2()); } default public int getPixelSum(int x1, int y1, int x2, int y2) { return bwIntegralImage_sumRect(this, x1, y1, x2, y2); } default public int getPixel(int x, int y) { return getPixelSum(x, y, x+1, y+1); } default public int getPixel(Pt p) { return getPixel(p.x, p.y); } // unoptimized default public BufferedImage getBufferedImage() { return scaleDownUsingIntegralImageBW(this, getWidth(), getHeight()).getBufferedImage(); } } static interface IFieldsToList { Object[] _fieldsToList(); } static class AudioSampleOps { // implementation of gain modifier static class Gain implements IAudioSample , IFieldsToList{ double factor; IAudioSample original; Gain() {} Gain(double factor, IAudioSample original) { this.original = original; this.factor = factor;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + factor + ", " + original + ")"; }public Object[] _fieldsToList() { return new Object[] {factor, original}; } public double sampleRate() { return original.sampleRate(); } public int channels() { return original.channels(); } public DoubleRange bounds() { return original.bounds(); } public double sampleSum(int channel, double start, double end) { return original.sampleSum(channel, start, end)*factor; } // coalesce consecutive gains public IAudioSample gain(double factor) { return original.gain(this.factor*factor); } } // Implementation of the time-shift modifier. // moves the input samples to the left (cuts off beginning). // Shift can be fractional - we're in integral image (audio) wonderland after all // where a traditional pixel has no meaning. static class TimeShift implements IAudioSample , IFieldsToList{ double shift; IAudioSample original; TimeShift() {} TimeShift(double shift, IAudioSample original) { this.original = original; this.shift = shift;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + shift + ", " + original + ")"; }public Object[] _fieldsToList() { return new Object[] {shift, original}; } public double sampleRate() { return original.sampleRate(); } public int channels() { return original.channels(); } public DoubleRange bounds() { return shiftDoubleRange(original.bounds(), -shift); } public double sampleSum(int channel, double start, double end) { return original.sampleSum(channel, start+shift, end+shift); } // coalesce consecutive time-shifts public IAudioSample timeShift(double shift) { return original.timeShift(this.shift+shift); } } // Implementation of the speed-up modifier which transforms every frequency f to f*factor. // This is for convenience, you could also just call sampleSum() directly with larger intervals. static class SpeedUp implements IAudioSample { double factor, invFactor; IAudioSample original; SpeedUp(double factor, IAudioSample original) { this.original = original; this.factor = factor; if (factor < 1) throw fail("Can't slow down. " + factor); invFactor = 1/factor; } public double sampleRate() { return original.sampleRate()*invFactor; } public int channels() { return original.channels(); } public DoubleRange bounds() { return scaleDoubleRange(original.bounds(), invFactor); } public double sampleSum(int channel, double start, double end) { return original.sampleSum(channel, start*factor, end*factor)*invFactor; } // coalesce consecutive speed-ups public IAudioSample speedUp(double factor) { return original.speedUp(this.factor*factor); } } } static class HasKeyMap> /*extends AbstractMap*/ implements Iterable { Map map = new HashMap(); HasKeyMap() {} //*(Map map) { putAll(this.map, map); } HasKeyMap(Iterable l) { addAll(l); } void addAll(Iterable l) { for (var b : unnullForIteration(l)) if (b != null) map.put(b.key(), b); } public Iterator iterator() { return valueIterator(map); } A firstKey() { return main.firstKey(map); } public int size() { return map.size(); } final Set keySet(){ return keys(); } Set keys() { return map.keySet(); } } static interface IVF1 { void get(A a); } static interface WidthAndHeight { int getWidth(); int getHeight(); } static interface IMeta { // see class "Meta" for the bla bla public void _setMeta(Object meta); public Object _getMeta(); default public IAutoCloseableF0 _tempMetaMutex() { return new IAutoCloseableF0() { public Object get() { return IMeta.this; } public void close() {} }; } // actually query another object default public Object getMeta(Object obj, Object key){ return metaGet(obj, key); } default public Object metaGet(Object obj, Object key) { return main.metaGet(obj, key); } default public Object getMeta(Object key){ return metaGet(key); } default public Object metaGet(Object key) { if (key == null) return null; Object meta = _getMeta(); if (meta instanceof Map) return ((Map) meta).get(key); return null; } default public void metaSet(IMeta obj, Object key, Object value){ metaPut(obj, key, value); } default public void metaPut(IMeta obj, Object key, Object value) { main.metaSet(obj, key, value); } default public void metaSet(Object key, Object value){ metaPut(key, value); } default public void metaPut(Object key, Object value) { if (key == null) return; Map map = convertObjectMetaToMap(this); syncMapPutOrRemove(map, key, value); } } static class RegisteredReference implements IRef { Meta owner; // all we require is a meta field A value; RegisteredReference() { //if (!dynamicObjectIsLoading()) registerRef(); } /*void registerRef { vmBus_send registeringReference(this); }*/ // Note that the single-argument constructor takes an owner, not a value RegisteredReference(Meta owner) { this(owner, null); } RegisteredReference(Meta owner, A value) { this.value = value; this.owner = owner; index(); //registerRef(); } // get owning object (source) Meta owner() { return owner; } // get target public A get() { return value; } public boolean has() { return value != null; } public boolean set_trueIfChanged(A a) { if (eq(a, value)) return false; unindex(); value = a; index(); return true; } public void set(A a) { set_trueIfChanged(a); } void setIfEmpty(A a) { if (!has()) set(a); } public void set(IRef ref) { set(ref == null ? null : ref.get()); } public void clear() { set((A) null); } // can override boolean validRef() { return true; } // TODO: sync all the indexing and unindexing!? void index() { if (!validRef()) return; var br = lookupInterface(IHasBackRefs.class, get()); { if (br != null) br._registerBackRef(this); } } void unindex() { if (!validRef()) return; var br = lookupInterface(IHasBackRefs.class, get()); { if (br != null) br._unregisterBackRef(this); } } // not used yet void change() {} public String toString() { return str(value); } } static interface IHasBackRefs { public void _registerBackRef(IRef ref); public void _unregisterBackRef(IRef ref); } // could almost add IVar here - but void set() and bool set() are incompatible in some places static interface IRef extends IF0 { // called by the referencee to atomically replace itself // Passing oldValue to avoid race conditions public default void replaceValue(A oldValue, A newValue) {} } static interface IAutoCloseableF0 extends IF0, AutoCloseable {} static boolean isAbstract(Class c) { return (c.getModifiers() & Modifier.ABSTRACT) != 0; } static boolean isAbstract(Method m) { return (m.getModifiers() & Modifier.ABSTRACT) != 0; } static boolean reflection_isForbiddenMethod(Method m) { return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives"); } static Set allInterfacesImplementedBy(Class c) { if (c == null) return null; HashSet set = new HashSet(); allInterfacesImplementedBy_find(c, set); return set; } static void allInterfacesImplementedBy_find(Class c, Set set) { if (c.isInterface() && !set.add(c)) return; do { for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set); } while ((c = c.getSuperclass()) != null); } static Method findMethod(Object o, String method, Object... args) { return findMethod_cached(o, method, args); } static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static Method findStaticMethod(Class c, String method, Object... args) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (!m.getName().equals(method)) continue; if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args)) continue; return m; } c = c.getSuperclass(); } return null; } static boolean findStaticMethod_checkArgs(Method m, Object[] args) { Class[] types = m.getParameterTypes(); if (types.length != args.length) return false; for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) return false; return true; } static String unquote(String s) { if (s == null) return null; if (startsWith(s, '[')) { int i = 1; while (i < s.length() && s.charAt(i) == '=') ++i; if (i < s.length() && s.charAt(i) == '[') { String m = s.substring(1, i); if (s.endsWith("]" + m + "]")) return s.substring(i+1, s.length()-i-1); } } if (s.length() > 1) { char c = s.charAt(0); if (c == '\"' || c == '\'') { int l = endsWith(s, c) ? s.length()-1 : s.length(); StringBuilder sb = new StringBuilder(l-1); for (int i = 1; i < l; i++) { char ch = s.charAt(i); if (ch == '\\') { char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1); // Octal escape? if (nextChar >= '0' && nextChar <= '7') { String code = "" + nextChar; i++; if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') { code += s.charAt(i + 1); i++; if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') { code += s.charAt(i + 1); i++; } } sb.append((char) Integer.parseInt(code, 8)); continue; } switch (nextChar) { case '\"': ch = '\"'; break; case '\\': ch = '\\'; break; case 'b': ch = '\b'; break; case 'f': ch = '\f'; break; case 'n': ch = '\n'; break; case 'r': ch = '\r'; break; case 't': ch = '\t'; break; case '\'': ch = '\''; break; // Hex Unicode: u???? case 'u': if (i >= l - 5) { ch = 'u'; break; } int code = Integer.parseInt( "" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16); sb.append(Character.toChars(code)); i += 5; continue; default: ch = nextChar; // added by Stefan } i++; } sb.append(ch); } return sb.toString(); } } return s; // not quoted - return original } static List quoteAll(Collection l) { List x = new ArrayList(); for (String s : l) x.add(quote(s)); return x; } static int _hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static boolean arraysEqual(Object[] a, Object[] b) { if (a.length != b.length) return false; for (int i = 0; i < a.length; i++) if (neq(a[i], b[i])) return false; return true; } static int boostHashCombine(int a, int b) { return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2)); } static A[] newGenericArray(int n) { return (A[]) new Object[n]; } static void fillArrayUnlessZero(byte[] a, byte value) { if (value != 0) Arrays.fill(a, value); } static void fillArrayUnlessZero(int[] a, int value) { if (value != 0) Arrays.fill(a, value); } static void fillArrayUnlessZero(float[] a, float value) { if (value != 0) Arrays.fill(a, value); } static boolean inRange(int x, int n) { return x >= 0 && x < n; } static boolean inRange(int x, int a, int b) { return x >= a && x < b; } static int ubyteToInt(byte b) { return b & 0x0FF; } static int ubyteToInt(char c) { return c & 0x0FF; } static int getPixel(BufferedImage img, int x, int y) { return img.getRGB(x, y); } static int getPixel(BufferedImage img, Pt p) { return img.getRGB(p.x, p.y); } static int limitToUByte(int i) { return max(0, min(255, i)); } static double sqrt(double x) { return Math.sqrt(x); } static int blend(int x, int y, double yish) { double xish = 1-yish; return (int) (x*xish+y*yish); } static double blend(double x, double y, double yish) { double xish = 1-yish; return x*xish+y*yish; } static short clampToShort(int i) { return (short) clamp(i, Short.MIN_VALUE, Short.MAX_VALUE); } // better modulo that gives positive numbers always static int mod(int n, int m) { return (n % m + m) % m; } static long mod(long n, long m) { return (n % m + m) % m; } static BigInteger mod(BigInteger n, int m) { return n.mod(bigint(m)); } static double mod(double n, double m) { return (n % m + m) % m; } static void addAll(Collection c, Iterable b) { if (c != null && b != null) for (A a : b) c.add(a); } static boolean addAll(Collection c, Collection b) { return c != null && b != null && c.addAll(b); } static boolean addAll(Collection c, B... b) { return c != null && b != null && c.addAll(Arrays.asList(b)); } static Map addAll(Map a, Map b) { if (a != null && b != null) a.putAll(b); return a; } static A lastKey(SortedMap map) { return empty(map) ? null : map.lastKey(); } static Set> entrySet(Map map) { return _entrySet(map); } static void remove(List l, int i) { if (l != null && i >= 0 && i < l(l)) l.remove(i); } static void remove(Collection l, A a) { if (l != null) l.remove(a); } static B remove(Map map, Object a) { return map == null ? null : map.remove(a); } static void remove(BitSet bs, int i) { bs.clear(i); } static Method hashMap_findKey_method; static A hashMap_findKey(HashMap map, Object key) { try { if (hashMap_findKey_method == null) hashMap_findKey_method = findMethodNamed(HashMap.class, "getNode"); Map.Entry entry = (Map.Entry) hashMap_findKey_method.invoke(map, hashMap_internalHash(key), key); // java.util.Map.Entry entry = (java.util.Map.Entry) call(hash, 'getNode, hashMap_internalHash(key), wkey); return entry == null ? null : entry.getKey(); } catch (Exception __e) { throw rethrow(__e); } } static double twoPi() { return Math.PI*2; } static double sin(double x) { return Math.sin(x); } static Pt pt(int x, int y) { return new Pt(x, y); } static Pt pt(int x) { return new Pt(x, x); } static int getWidth(Component c) { return c == null ? 0 : (int) swingCall(c, "getWidth"); } static int getHeight(Component c) { return c == null ? 0 : (int) swingCall(c, "getHeight"); } static int areaFromPoints(int x1, int y1, int x2, int y2) { return (x1-x1)*(y2-y1); } static int rectArea(Rect r) { return r == null ? 0 : r.w*r.h; } static Rect toRect_floor(DoubleRect r) { if (r == null) return null; int x = ifloor(r.x), y = ifloor(r.y); return new Rect(x, y, ifloor(r.x2())-x, ifloor(r.y2())-y); } static int rgbInt(int r, int g, int b) { return (clamp(r, 0, 255) << 16) | (clamp(g, 0, 255) << 8) | clamp(b, 0, 255); } static int fullAlphaMask() { return 0xFF000000; } // from: https://stackoverflow.com/questions/14416107/int-array-to-bufferedimage // pixels are RGB pixels static BufferedImage intArrayToBufferedImage(int[] pixels, int w, int h) { int[] bitMasks = new int[]{0xFF0000, 0xFF00, 0xFF, 0xFF000000}; SinglePixelPackedSampleModel sm = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, w, h, bitMasks); DataBufferInt db = new DataBufferInt(pixels, pixels.length); WritableRaster wr = Raster.createWritableRaster(sm, db, new Point()); return new BufferedImage(ColorModel.getRGBdefault(), wr, false, null); } static String joinNemptiesWithColon(String... strings) { return joinNempties(": ", strings); } static String joinNemptiesWithColon(Collection strings) { return joinNempties(": ", strings); } static String commaCombine(Object... l) { return joinNemptiesWithComma(flattenCollectionsAndArrays(ll(l))); } static int hashCodeFor(Object a) { return a == null ? 0 : a.hashCode(); } static double frac(double d) { return fraction(d); } static boolean stdEq2(Object a, Object b) { if (a == null) return b == null; if (b == null) return false; if (a.getClass() != b.getClass()) return false; for (String field : allFields(a)) if (neq(getOpt(a, field), getOpt(b, field))) return false; return true; } static int stdHash2(Object a) { if (a == null) return 0; return stdHash(a, toStringArray(allFields(a))); } static UnsupportedOperationException unsupportedOperation() { throw new UnsupportedOperationException(); } static BufferedImage loadImage2(String snippetIDOrURL) { return loadBufferedImage(snippetIDOrURL); } static BufferedImage loadImage2(File file) { return loadBufferedImage(file); } static Boolean grabbableIntPixels_succeeded; static boolean grabbableIntPixels_enable = true; static GrabbableIntPixels grabbableIntPixels(BufferedImage img) { if (img == null || !grabbableIntPixels_enable) return null; try { var result = grabbableIntPixels_impl(img); grabbableIntPixels_succeeded = result != null; return result; } catch (Throwable _e) { grabbableIntPixels_succeeded = false; throw rethrow(_e); } } static GrabbableIntPixels grabbableIntPixels_impl(BufferedImage img) { Raster raster = img.getRaster(); SampleModel _sampleModel = raster.getSampleModel(); if (!(_sampleModel instanceof SinglePixelPackedSampleModel)) return null; SinglePixelPackedSampleModel sampleModel = (SinglePixelPackedSampleModel) _sampleModel; DataBufferInt dataBuffer = (DataBufferInt) (raster.getDataBuffer()); assertEquals(1, dataBuffer.getNumBanks()); assertEquals(DataBuffer.TYPE_INT, dataBuffer.getDataType()); // Let's at this point assume the raster data is what we // think it is... (TODO: test on unusual platforms) int w = img.getWidth(), h = img.getHeight(); int scanlineStride = sampleModel.getScanlineStride(); int[] pixels = dataBuffer.getData(); int offset = dataBuffer.getOffset(); int translateX = raster.getSampleModelTranslateX(); int translateY = raster.getSampleModelTranslateY(); offset += -translateX-translateY*scanlineStride; return new GrabbableIntPixels(pixels, w, h, offset, scanlineStride); } static int bwIntegralImage_sumRect(BWIntegralImage img, int x1, int y1, int x2, int y2) { int bottomLeft = img.getIIValue(x1-1, y2-1); int bottomRight = img.getIIValue(x2-1, y2-1); int topLeft = img.getIIValue(x1-1, y1-1); int topRight = img.getIIValue(x2-1, y1-1); return bottomRight+topLeft-topRight-bottomLeft; } static int bwIntegralImage_sumRect(IBWIntegralImage img, int x1, int y1, int x2, int y2) { int bottomLeft = img.getIIValue(x1-1, y2-1); int bottomRight = img.getIIValue(x2-1, y2-1); int topLeft = img.getIIValue(x1-1, y1-1); int topRight = img.getIIValue(x2-1, y1-1); return bottomRight+topLeft-topRight-bottomLeft; } static BWImage scaleDownUsingIntegralImageBW(int w, BWIntegralImage img) { return scaleDownUsingIntegralImageBW(img, w); } static BWImage scaleDownUsingIntegralImageBW(BWIntegralImage img, int w) { return scaleDownUsingIntegralImageBW(img, w, iround(w*img.h/(double) img.w)); } static BWImage scaleDownUsingIntegralImageBW(BWIntegralImage img, int w, int h) { int w1 = img.w, h1 = img.h; BWImage out = new BWImage(w, h); for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) { int x1 = x*w1/w, x2 = max(x1+1, (x+1)*w1/w); int y1 = y*h1/h, y2 = max(y1+1, (y+1)*h1/h); int area = (x2-x1)*(y2-y1); int pixel = bwIntegralImage_sumRect(img, x1, y1, x2, y2)/area; out.setByte(x, y, (byte) pixel); } return out; } static BWImage scaleDownUsingIntegralImageBW(IBWIntegralImage img, int w) { return scaleDownUsingIntegralImageBW(img, w, iround(w*img.getHeight()/(double) img.getWidth())); } static BWImage scaleDownUsingIntegralImageBW(IBWIntegralImage img, int w, int h) { int w1 = img.getWidth(), h1 = img.getHeight(); BWImage out = new BWImage(w, h); for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) { int x1 = x*w1/w, x2 = max(x1+1, (x+1)*w1/w); int y1 = y*h1/h, y2 = max(y1+1, (y+1)*h1/h); int area = (x2-x1)*(y2-y1); int pixel = bwIntegralImage_sumRect(img, x1, y1, x2, y2)/area; out.setByte(x, y, (byte) pixel); } return out; } static int cmp(Number a, Number b) { return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue()); } static int cmp(double a, double b) { return a < b ? -1 : a == b ? 0 : 1; } static int cmp(int a, int b) { return a < b ? -1 : a == b ? 0 : 1; } static int cmp(long a, long b) { return a < b ? -1 : a == b ? 0 : 1; } static int cmp(Object a, Object b) { if (a == null) return b == null ? 0 : -1; if (b == null) return 1; return ((Comparable) a).compareTo(b); } static int length(Object[] array) { return array == null ? 0 : array.length; } static int length(List list) { return list == null ? 0 : list.size(); } static int length(String s) { return s == null ? 0 : s.length(); } static BufferedImage imageFromFunction(int w, IF2_Int f) { return imageFromFunction(w, w, f); } static BufferedImage imageFromFunction(int w, int h, IF2_Int f) { int[] pixels = new int[w*h]; int i = 0; for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) pixels[i++] = f.get(x, y); return intArrayToBufferedImage(pixels, w, h); } static int rgbIntFullAlpha(int r, int g, int b) { return (clamp(r, 0, 255) << 16) | (clamp(g, 0, 255) << 8) | clamp(b, 0, 255) | fullAlphaMask(); } static BufferedImage mergeBufferedImagesVertically(BufferedImage... images) { return mergeBufferedImagesVertically(asList(images)); } static BufferedImage mergeBufferedImagesVertically(Collection images, Object... __) { if (l(images) == 1) return first(images); return mergeImagesVertically(map(__31 -> toRGBImage(__31), images), __).getBufferedImage(); } static List countIteratorToList(int b) { return countIteratorToList(0, b); } static List countIteratorToList(int a, int b) { return asList(countIterator(a, b)); } static List countIteratorToList(int b, IF1 f) { return countIteratorToList(0, b, f); } static List countIteratorToList(int a, int b, IF1 f) { return asList(countIterator(a, b, f)); } static List countIteratorToList(int a, int b, int step) { return asList(countIterator(a, b, step)); } static List countIteratorToList(double a, double b, double step, IF1 f) { return asList(countIterator(a, b, step, f)); } static List countIteratorToList(double a, double b, double step) { return asList(countIterator(a, b, step)); } static List countIteratorToList(IF1 f, double a, double b, double step) { return asList(countIterator(f, a, b, step)); } static List countIteratorToList(IF1 f, int b) { return countIteratorToList(f, 0, b); } static List countIteratorToList(IF1 f, int a, int b) { return asList(countIterator(f, a, b)); } static BufferedImage simpleGraph(int w, int h, IF1 f, double fMin, double fMax) { BufferedImage graph = whiteImage(w, h); double graphScale = doubleRatio(1, fMax); int zeroY = iround(transformBetweenDoubleRanges(0, doubleRange(fMin, fMax), doubleRange(h-1, 0))); for (int x = 0; x < w; x++) drawLine(graph, x, zeroY, x, iround(transformBetweenDoubleRanges(f.get(x), doubleRange(fMin, fMax), doubleRange(h-1, 0))), Color.red); return graph; } static float abs(float f) { return Math.abs(f); } static int abs(int i) { return Math.abs(i); } static double abs(double d) { return Math.abs(d); } static double abs(Complex c) { return c.abs(); } static List wrapDoubleArrayAsList(double[] l) { if (l == null) return null; return virtualList(l.length, i -> l[i]); } static String shortClassName_dropNumberPrefix(Object o) { return dropNumberPrefix(shortClassName(o)); } static double mul_optFor1(double a, double b) { return a == 1 ? b : a*b; } static Channels mapChannels(IF1 f, int channels) { Channels < A > cc = new Channels<>(channels); for (int c = 0; c < channels; c++) cc.set(c, f.get(c)); return cc; } static Channels mapChannels(int channels, IF1 f) { return mapChannels(f, channels); } static void setPixel(BufferedImage img, Pt p, Color color) { { if (img != null) img.setRGB(p.x, p.y, colorToIntOpaque(color)); } } static Class getClass(String name) { return _getClass(name); } static Class getClass(Object o) { return _getClass(o); } static Class getClass(Object realm, String name) { return _getClass(realm, name); } static boolean contains(Collection c, Object o) { return c != null && c.contains(o); } static boolean contains(Iterable it, Object a) { if (it != null) for (Object o : it) if (eq(a, o)) return true; return false; } static boolean contains(Object[] x, Object o) { if (x != null) for (Object a : x) if (eq(a, o)) return true; return false; } static boolean contains(String s, char c) { return s != null && s.indexOf(c) >= 0; } static boolean contains(String s, String b) { return s != null && s.indexOf(b) >= 0; } static boolean contains(BitSet bs, int i) { return bs != null && bs.get(i); } static int safeToInt(Object o) { return toInt(o); } static int safeToInt(long l) { return toInt(l); } static long ushortToLong(short i) { return i & 0xFFFFL; } static int asInt(Object o) { return toInt(o); } static BufferedImage clipBufferedImage(BufferedImage src, Rectangle clip) { return clipBufferedImage(src, new Rect(clip)); } static BufferedImage clipBufferedImage(BufferedImage src, Rect r) { if (src == null || r == null) return null; // fixClipRect r = intersectRects(r, new Rect(0, 0, src.getWidth(), src.getHeight())); if (rectEmpty(r)) return null; // can't make zero-sized BufferedImage return src.getSubimage(r.x, r.y, r.w, r.h); } static BufferedImage clipBufferedImage(BufferedImage src, int x, int y, int w, int h) { return clipBufferedImage(src, new Rect(x, y, w, h)); } static Map putAll(Map a, Map b) { if (a != null && b != null) a.putAll(b); return a; } static MultiMap putAll(MultiMap a, Map b) { if (a != null) a.putAll((Map) b); return a; } static Map putAll(Map a, Object... b) { if (a != null) litmap_impl(a, b); return a; } static A getAndClear(IVar v) { A a = v.get(); v.set(null); return a; } static Set keySet(Map map) { return map == null ? new HashSet() : map.keySet(); } static Set keySet(Object map) { return keys((Map) map); } static Set keySet(MultiMap mm) { return mm.keySet(); } static int keysSize(MultiMap mm) { return lKeys(mm); } static A reverseGet(List l, int idx) { if (l == null || idx < 0) return null; int n = l(l); return idx < n ? l.get(n-1-idx) : null; } static Map cloneMap(Map map) { if (map == null) return new HashMap(); // assume mutex is equal to map synchronized(map) { return map instanceof TreeMap ? new TreeMap((TreeMap) map) // copies comparator : map instanceof LinkedHashMap ? new LinkedHashMap(map) : new HashMap(map); } } static List cloneMap(Iterable l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : cloneList(l)) x.add(f.get(o)); return x; } static Collection values(Map map) { return map == null ? emptyList() : map.values(); } // convenience shortcut for values_gen static Collection values(Object map) { return values((Map) map); } static Collection values(MultiMap mm) { return mm == null ? emptyList() : concatLists(values(mm.data)); } static List concatLists(Iterable... lists) { List l = new ArrayList(); if (lists != null) for (Iterable list : lists) addAll(l, list); return l; } static List concatLists(Collection> lists) { List l = new ArrayList(); if (lists != null) for (Iterable list : lists) addAll(l, list); return l; } static DoubleRange shiftDoubleRange(DoubleRange r, double shift) { return r == null ? null : new DoubleRange(r.start+shift, r.end+shift); } static DoubleRange shiftDoubleRange(double shift, DoubleRange r) { return shiftDoubleRange(r, shift); } static DoubleRange scaleDoubleRange(DoubleRange r, double factor) { return r == null ? null : new DoubleRange(r.start*factor, r.end*factor); } static DoubleRange scaleDoubleRange(double factor, DoubleRange r) { return scaleDoubleRange(r, factor); } static Iterator valueIterator(Map map) { return map == null ? emptyItIt() : map.values().iterator(); } static Object metaGet(IMeta o, Object key) { return metaMapGet(o, key); } static Object metaGet(Object o, Object key) { return metaMapGet(o, key); } static void metaSet(IMeta o, Object key, Object value) { metaMapPut(o, key, value); } static Map convertObjectMetaToMap(IMeta o) { return convertObjectMetaToMap(o, () -> synchroLinkedHashMap()); } static Map convertObjectMetaToMap(IMeta o, IF0 createEmptyMap) { if (o == null) return null; // The following shortcut depends on the assumption that a meta field never reverts // to null when it was a map Object meta = o._getMeta(); if (meta instanceof Map) return ((Map) meta); // non-shortcut path (create meta) var mutex = tempMetaMutex(o); try { var actualMutex = mutex.get(); synchronized(actualMutex) { meta = o._getMeta(); if (meta instanceof Map) return ((Map) meta); Map map = createEmptyMap.get(); if (meta != null) map.put("previousMeta" , meta); o._setMeta(map); return map; } } finally { _close(mutex); }} static void syncMapPutOrRemove(Map map, A key, B value) { syncMapPut2(map, key, value); } static boolean set_trueIfChanged(Object o, String field, Object value) { if (eq(get(o, field), value)) return false; set(o, field, value); return true; } static boolean set_trueIfChanged(IVar v, A value) { return setVar_trueIfChanged(v, value); } static boolean has(String a, String b, String c) { return false; } static boolean has(T3 t) { return false; } static A set(A o, String field, Object value) { if (o == null) return null; if (o instanceof Class) set((Class) o, field, value); else try { Field f = set_findField(o.getClass(), field); makeAccessible(f); smartSet(f, o, value); } catch (Exception e) { throw new RuntimeException(e); } return o; } static void set(Class c, String field, Object value) { if (c == null) return; try { Field f = set_findStaticField(c, field); makeAccessible(f); smartSet(f, null, value); } catch (Exception e) { throw new RuntimeException(e); } } static Field set_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field set_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static void set(BitSet bs, int idx) { { if (bs != null) bs.set(idx); } } // We even allow overriding existing interface implementations static A lookupInterface(Class intrface, Object o) { return lookupDynamicInterface(intrface, o); } static A lookupInterface(Object o, Class intrface) { return lookupDynamicInterface(o, intrface); } static Method findMethod_cached(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { _MethodCache cache = callOpt_getCache((Class) o); List methods = cache.cache.get(method); if (methods != null) for (Method m : methods) if (isStaticMethod(m) && findMethod_checkArgs(m, args, false)) return m; return null; } else { _MethodCache cache = callOpt_getCache(o.getClass()); List methods = cache.cache.get(method); if (methods != null) for (Method m : methods) if (findMethod_checkArgs(m, args, false)) return m; return null; } } catch (Exception __e) { throw rethrow(__e); } } static boolean endsWith(String a, String b) { return a != null && a.endsWith(b); } static boolean endsWith(String a, char c) { return nempty(a) && lastChar(a) == c; } static boolean endsWith(String a, String b, Matches m) { if (!endsWith(a, b)) return false; m.m = new String[] {dropLast(l(b), a)}; return true; } static String quote(Object o) { if (o == null) return "null"; return quote(str(o)); } static String quote(String s) { if (s == null) return "null"; StringBuilder out = new StringBuilder((int) (l(s)*1.5+2)); quote_impl(s, out); return out.toString(); } static void quote_impl(String s, StringBuilder out) { out.append('"'); int l = s.length(); for (int i = 0; i < l; i++) { char c = s.charAt(i); if (c == '\\' || c == '"') out.append('\\').append(c); else if (c == '\r') out.append("\\r"); else if (c == '\n') out.append("\\n"); else if (c == '\t') out.append("\\t"); else if (c == '\0') out.append("\\0"); else out.append(c); } out.append('"'); } static float clamp(float x, float a, float b) { return x < a ? a : x > b ? b : x; } static double clamp(double x, double a, double b) { return x < a ? a : x > b ? b : x; } static int clamp(int x, int a, int b) { return x < a ? a : x > b ? b : x; } static long clamp(long x, long a, long b) { return x < a ? a : x > b ? b : x; } static Set> _entrySet(Map map) { return map == null ? Collections.EMPTY_SET : map.entrySet(); } // This is a bit rough... finds static and non-static methods. static Method findMethodNamed(Object obj, String method) { if (obj == null) return null; if (obj instanceof Class) return findMethodNamed((Class) obj, method); return findMethodNamed(obj.getClass(), method); } static Method findMethodNamed(Class c, String method) { while (c != null) { for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method)) { makeAccessible(m); return m; } c = c.getSuperclass(); } return null; } static int hashMap_internalHash(Object key) { int h; return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16); } static Object swingCall(final Object o, final String method, final Object... args) { return swing(new F0() { public Object get() { try { return call(o, method, args); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret call(o, method, args);"; }}); } static String joinNempties(String sep, Object... strings) { return joinStrings(sep, strings); } static String joinNempties(String sep, Iterable strings) { return joinStrings(sep, strings); } static String joinNemptiesWithComma(Object... strings) { return joinNempties(", ", strings); } static String joinNemptiesWithComma(Iterable strings) { return joinNempties(", ", strings); } static List flattenCollectionsAndArrays(Iterable a) { List l = new ArrayList(); for (Object x : a) if (x instanceof Collection) l.addAll(flattenCollectionsAndArrays((Collection) x)); else if (x instanceof Object[]) l.addAll(flattenCollectionsAndArrays(asList((Object[]) x))); else l.add(x); return l; } static Map> allFields_cache = weakHashMap(); static Set allFields(Object o) { if (o == null) return emptySet(); Class _c = _getClass(o); Set fields = allFields_cache.get(_c); if (fields == null) allFields_cache.put(_c, fields = asTreeSet(keys(getOpt_getFieldMap(o)))); return fields; } static int stdHash(Object a, String... fields) { if (a == null) return 0; int hash = getClassName(a).hashCode(); for (String field : fields) hash = boostHashCombine(hash, hashCode(getOpt(a, field))); return hash; } static String[] toStringArray(Collection c) { String[] a = new String[l(c)]; Iterator it = c.iterator(); for (int i = 0; i < l(a); i++) a[i] = it.next(); return a; } static String[] toStringArray(Object o) { if (o instanceof String[]) return (String[]) o; else if (o instanceof Collection) return toStringArray((Collection) o); else throw fail("Not a collection or array: " + getClassName(o)); } static boolean loadBufferedImage_useImageCache = true; static BufferedImage loadBufferedImage(String snippetIDOrURLOrFile) { try { ping(); if (snippetIDOrURLOrFile == null) return null; if (isURL(snippetIDOrURLOrFile)) return imageIO_readURL(snippetIDOrURLOrFile); if (isAbsolutePath(snippetIDOrURLOrFile)) return loadBufferedImage(new File(snippetIDOrURLOrFile)); if (!isSnippetID(snippetIDOrURLOrFile)) throw fail("Not a URL or snippet ID or file: " + snippetIDOrURLOrFile); String snippetID = "" + parseSnippetID(snippetIDOrURLOrFile); IResourceLoader rl = vm_getResourceLoader(); if (rl != null) return loadBufferedImage(rl.loadLibrary(snippetID)); File dir = imageSnippetsCacheDir(); if (loadBufferedImage_useImageCache) { dir.mkdirs(); File file = new File(dir, snippetID + ".png"); if (file.exists() && file.length() != 0) try { return ImageIO.read(file); } catch (Throwable e) { e.printStackTrace(); // fall back to loading from sourceforge } } String imageURL = snippetImageURL_http(snippetID); print("Loading image: " + imageURL); BufferedImage image = imageIO_readURL(imageURL); if (loadBufferedImage_useImageCache) { File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis()); ImageIO.write(image, "png", tempFile); tempFile.renameTo(new File(dir, snippetID + ".png")); //Log.info("Cached image."); } //Log.info("Loaded image."); return image; } catch (Exception __e) { throw rethrow(__e); } } static BufferedImage loadBufferedImage(File file) { return loadBufferedImageFile(file); } static A assertEquals(Object x, A y) { return assertEquals("", x, y); } static A assertEquals(String msg, Object x, A y) { if (assertVerbose()) return assertEqualsVerbose(msg, x, y); if (!(x == null ? y == null : x.equals(y))) throw fail((msg != null ? msg + ": " : "") + y + " != " + x); return y; } static RGBImage mergeImagesVertically(RGBImage... images) { return mergeImagesVertically(toList(images)); } static RGBImage mergeImagesVertically(List images, Object... __) { int spacing = optPar("spacing", __, imageMergeSpacing()); RGB spaceColor = optPar("spaceColor", __, new RGB(0.9f)); int h = intSum(images, "height")+(l(images)-1)*spacing, w = intMax(images, "width"); RGBImage out = new RGBImage(w, h, spaceColor); int y = 0; for (int i = 0; i < l(images); i++) { RGBImage img = images.get(i); int x = (w-img.w())/2; copyRGBImage(img, 0, 0, out, x, y); y += img.h() + spacing; } return out; } static RGBImage toRGBImage(BWImage img) { return img == null ? null : img.toRGB(); } static RGBImage toRGBImage(BufferedImage img) { return img == null ? null : new RGBImage(img); } static IterableIterator countIterator(int b) { return countIterator(0, b); } static IterableIterator countIterator(int a, int b) { return countIterator_exclusive(a, b); } static IterableIterator countIterator(int b, IF1 f) { return countIterator(0, b, f); } static IterableIterator countIterator(int a, int b, IF1 f) { return countIterator_exclusive(a, b, f); } static IterableIterator countIterator(int a, int b, int step) { return countIterator_exclusive_step(a, b, step); } static IterableIterator countIterator(double a, double b, double step, IF1 f) { return countIterator_exclusive_step(a, b, step, f); } static IterableIterator countIterator(double a, double b, double step) { return countIterator_exclusive_step(a, b, step); } static IterableIterator countIterator(IF1 f, double a, double b, double step) { return countIterator(a, b, step, f); } static IterableIterator countIterator(IF1 f, int b) { return countIterator(f, 0, b); } static IterableIterator countIterator(IF1 f, int a, int b) { return countIterator_exclusive(a, b, f); } static BufferedImage whiteImage(int w, int h) { return newBufferedImage(w, h, Color.white); } static BufferedImage whiteImage(int size) { return whiteImage(size, size); } static double transformBetweenDoubleRanges(double x, DoubleRange src, DoubleRange dest) { return dest.start+dest.length()*doubleRatio(x-src.start, src.length()); } static DoubleRange transformBetweenDoubleRanges(DoubleRange r, DoubleRange src, DoubleRange dest) { return r == null ? null : new DoubleRange(transformBetweenDoubleRanges(r.start, src, dest), transformBetweenDoubleRanges(r.end, src, dest)); } static void drawLine(BufferedImage image, int x1, int y1, int x2, int y2, Color color) { drawLine(imageGraphics(image), x1, y1, x2, y2, color); } static void drawLine(Graphics2D g, int x1, int y1, int x2, int y2, Color color) { g.setColor(color); g.drawLine(x1, y1, x2, y2); } static void drawLine(BufferedImage image, Pt a, Pt b, Color color) { drawLine(imageGraphics(image), a, b, color); } static void drawLine(Graphics2D g, Pt a, Pt b, Color color) { drawLine(g, a.x, a.y, b.x, b.y, color); } static List virtualList(int n, IF1 f) { return listFromFunction(n, f); } static List virtualList(IF1 f, int n) { return listFromFunction(f, n); } static String dropNumberPrefix(String s) { return dropFirst(s, indexOfNonDigit(s)); } static String shortClassName(Object o) { if (o == null) return null; Class c = o instanceof Class ? (Class) o : o.getClass(); String name = c.getName(); return shortenClassName(name); } static int colorToIntOpaque(Color c) { return c.getRGB() | 0xFF000000; } static Rect intersectRects(Rect a, Rect b) { int x = max(a.x, b.x), y = max(a.y, b.y); int x2 = min(a.x+a.w, b.x+b.w), y2 = min(a.y+a.h, b.y+b.h); return new Rect(x, y, x2-x, y2-y); } static Rect intersectRects(Rect a, int x1, int y1, int w, int h) { if (a == null || a.x >= x1 && a.y >= y1 && a.x2() < x1+w && a.y2() < y1+h) return a; return rectFromPoints( max(a.x, x1), max(a.y, y1), min(a.x2(), x1+w), min(a.y2(), y1+h)); } static boolean rectEmpty(Rect r) { return r == null || r.w <= 0 || r.h <= 0; } static HashMap litmap(Object... x) { HashMap map = new HashMap(); litmap_impl(map, x); return map; } static void litmap_impl(Map map, Object... x) { if (x != null) for (int i = 0; i < x.length-1; i += 2) if (x[i+1] != null) map.put(x[i], x[i+1]); } static int lKeys(MultiMap mm) { return mm == null ? 0 : mm.keysSize(); } static IterableIterator emptyItIt() { return emptyIterableIterator(); } static Object metaMapGet(IMeta o, Object key) { return o == null ? null : o.metaGet(key); // We now let the object itself do it (overridable!) } static Object metaMapGet(Object o, Object key) { if (o instanceof IMeta) return metaMapGet(((IMeta) o), key); return null; } static void metaMapPut(IMeta o, Object key, Object value) { { if (o != null) o.metaPut(key, value); } } static Map synchroLinkedHashMap() { return Collections.synchronizedMap(new LinkedHashMap()); } static IAutoCloseableF0 tempMetaMutex(IMeta o) { return o == null ? null : o._tempMetaMutex(); } static void _close(AutoCloseable c) { if (c != null) try { c.close(); } catch (Throwable e) { // Some classes stupidly throw an exception on double-closing if (c instanceof javax.imageio.stream.ImageOutputStream) return; else throw rethrow(e); } } static void syncMapPut2(Map map, A key, B value) { if (map != null && key != null) synchronized(collectionMutex(map)) { if (value != null) map.put(key, value); else map.remove(key); } } static boolean setVar_trueIfChanged(IVar v, A value) { if (v == null) return false; synchronized(v) { if (eq(v.get(), value)) return false; v.set(value); return true; } } static void smartSet(Field f, Object o, Object value) throws Exception { try { f.set(o, value); } catch (Exception e) { Class type = f.getType(); // take care of common case (long to int) if (type == int.class && value instanceof Long) { f.set(o, ((Long) value).intValue()); return; } if (type == boolean.class && value instanceof String) { f.set(o, isTrueOrYes(((String) value))); return; } if (type == LinkedHashMap.class && value instanceof Map) { f.set(o, asLinkedHashMap((Map) value)); return; } throw e; } } // We even allow overriding existing interface implementations static A lookupDynamicInterface(Class intrface, Object o) { if (o instanceof DynamicObject) { A a = (A) (mapGet((Map) ((DynamicObject) o).fieldValues, intrface)); if (a != null) return a; } if (isInstance(intrface, o)) return (A) o; return null; } static A lookupDynamicInterface(Object o, Class intrface) { return lookupDynamicInterface(intrface, o); } static char lastChar(String s) { return empty(s) ? '\0' : s.charAt(l(s)-1); } static A[] dropLast(A[] a) { return dropLast(a, 1); } static A[] dropLast(A[] a, int n) { if (a == null) return null; n = Math.min(n, a.length); A[] b = arrayOfSameType(a, a.length-n); System.arraycopy(a, 0, b, 0, b.length); return b; } static List dropLast(List l) { return subList(l, 0, l(l)-1); } static List dropLast(int n, List l) { return subList(l, 0, l(l)-n); } static List dropLast(Iterable l) { return dropLast(asList(l)); } static String dropLast(String s) { return substring(s, 0, l(s)-1); } static String dropLast(String s, int n) { return substring(s, 0, l(s)-n); } static String dropLast(int n, String s) { return dropLast(s, n); } static Object swing(Object f) { return swingAndWait(f); } static A swing(F0 f) { return (A) swingAndWait(f); } static A swing(IF0 f) { return (A) swingAndWait(f); } static String joinStrings(String sep, Object... strings) { return joinStrings(sep, Arrays.asList(strings)); } static String joinStrings(String sep, Iterable strings) { StringBuilder buf = new StringBuilder(); for (Object o : unnull(strings)) { String s = strOrNull(o); if (nempty(s)) { if (nempty(buf)) buf.append(sep); buf.append(s); } } return str(buf); } static Map weakHashMap() { return newWeakHashMap(); } static Set emptySet() { return new HashSet(); } static TreeSet asTreeSet(Collection set) { return set == null ? null : set instanceof TreeSet ? (TreeSet) set : new TreeSet(set); } static int hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static boolean isURL(String s) { return startsWithOneOf(s, "http://", "https://", "file:"); } static BufferedImage imageIO_readURL(String url) { try { return ImageIO.read(new URL(url)); } catch (Exception __e) { throw rethrow(__e); } } static boolean isAbsolutePath(String s) { return s != null && new File(s).isAbsolute(); } static boolean isAbsolutePath(File f) { return f != null && f.isAbsolute(); } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) throw fail("0 is not a snippet ID"); return id; } static IResourceLoader vm_getResourceLoader() { return proxy(IResourceLoader.class, vm_generalMap_get("_officialResourceLoader")); } static File imageSnippetsCacheDir() { return javaxCachesDir("Image-Snippets"); } static String snippetImageURL_http(String snippetID) { return snippetImageURL_http(snippetID, "png"); } static String snippetImageURL_http(String snippetID, String contentType) { return replacePrefix("https://", "http://", snippetImageURL(snippetID, contentType)).replace(":8443", ":8080"); } static ThreadLocal assertVerbose_value = new ThreadLocal(); static void assertVerbose(boolean b) { assertVerbose_value.set(b); } static boolean assertVerbose() { return isTrue(assertVerbose_value.get()); } static A assertEqualsVerbose(Object x, A y) { assertEqualsVerbose((String) null, x, y); return y; } // x = expected, y = actual static A assertEqualsVerbose(String msg, Object x, A y) { if (!eq(x, y)) { throw fail((nempty(msg) ? msg + ": " : "") + "expected: "+ x + ", got: " + y); } else print("OK" + (empty(msg) ? "" : " " + msg) + ": " + /*sfu*/(x)); return y; } static String nullIfEmpty(String s) { return isEmpty(s) ? null : s; } static Map nullIfEmpty(Map map) { return isEmpty(map) ? null : map; } static List nullIfEmpty(List l) { return isEmpty(l) ? null : l; } static void copyRGBImage(RGBImage src, int srcX, int srcY, RGBImage dst, int dstX, int dstY) { copyRGBImage(src, srcX, srcY, dst, dstX, dstY, src.getWidth()-srcX, src.getHeight()-srcY); } static void copyRGBImage(RGBImage src, int srcX, int srcY, RGBImage dst, int dstX, int dstY, int w, int h) { w = min(w, dst.getWidth()-dstX); h = min(h, dst.getHeight()-dstY); w = min(w, src.getWidth()-srcX); h = min(h, src.getHeight()-srcY); for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) dst.setPixel(dstX+x, dstY+y, src.getInt(srcX+x, srcY+y)); } static IterableIterator countIterator_exclusive(int b) { return countIterator_exclusive(0, b); } static IterableIterator countIterator_exclusive(int a, int b) { return new IterableIterator() { int i = a; public boolean hasNext() { return i < b; } public Integer next() { return i++; } }; } static IterableIterator countIterator_exclusive(int b, IF1 f) { return countIterator_exclusive(0, b, f); } static IterableIterator countIterator_exclusive(int a, int b, IF1 f) { return mapI_if1(f, countIterator_exclusive(a, b)); } static IterableIterator countIterator_exclusive_step(final int a, final int b, final int step) { assertTrue("step > 0", step > 0); return new IterableIterator() { int i = a; public boolean hasNext() { return i < b; } public Integer next() { var j = i; i += step; return j; } }; } static IterableIterator countIterator_exclusive_step(double a, double b, double step) { assertTrue("step > 0", step > 0); return new IterableIterator() { double i = a; public boolean hasNext() { return i < b; } public Double next() { var j = i; i += step; return j; } }; } static IterableIterator countIterator_exclusive_step(double a, double b, double step, IF1 f) { return mapI_if1(f, countIterator_exclusive_step(a, b, step)); } // undefined color, seems to be all black in practice static BufferedImage newBufferedImage(int w, int h) { return new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); } static BufferedImage newBufferedImage(int w, int h, RGB rgb) { return newBufferedImage(w, h, rgb.getColor()); } static BufferedImage newBufferedImage(int w, int h, Color color) { BufferedImage img = newBufferedImage(w, h); Graphics2D g = img.createGraphics(); g.setColor(or(color, Color.white)); g.fillRect(0, 0, w, h); return img; } static BufferedImage newBufferedImage(Pt p, Color color) { return newBufferedImage(p.x, p.y, color); } static BufferedImage newBufferedImage(int w, int h, int[] pixels) { return intArrayToBufferedImage(pixels, w, h); } static ThreadLocal imageGraphics_antiAlias = new ThreadLocal(); static Graphics2D imageGraphics(BufferedImage img) { return !isFalse(imageGraphics_antiAlias.get()) ? antiAliasGraphics(img) : createGraphics(img); } static List listFromFunction(int n, IF1 f) { return new RandomAccessAbstractList() { public int size() { return n; } public A get(int i) { return f.get(i); } }; } static List listFromFunction(IF1 f, int n) { return listFromFunction(n, f); } static String[] dropFirst(int n, String[] a) { return drop(n, a); } static String[] dropFirst(String[] a) { return drop(1, a); } static Object[] dropFirst(Object[] a) { return drop(1, a); } static List dropFirst(List l) { return dropFirst(1, l); } static List dropFirst(int n, Iterable i) { return dropFirst(n, toList(i)); } static List dropFirst(Iterable i) { return dropFirst(toList(i)); } static List dropFirst(int n, List l) { return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size())); } static List dropFirst(List l, int n) { return dropFirst(n, l); } static String dropFirst(int n, String s) { return substring(s, n); } static String dropFirst(String s, int n) { return substring(s, n); } static String dropFirst(String s) { return substring(s, 1); } static int indexOfNonDigit(String s) { int n = l(s); for (int i = 0; i < n; i++) if (!isDigit(s.charAt(i))) return i; return -1; } static String shortenClassName(String name) { if (name == null) return null; int i = lastIndexOf(name, "$"); if (i < 0) i = lastIndexOf(name, "."); return i < 0 ? name : substring(name, i+1); } static Rect rectFromPoints(int x1, int y1, int x2, int y2) { return pointsRect(x1, y1, x2, y2); } static Rect rectFromPoints(Pt a, Pt b) { return pointsRect(a.x, a.y, b.x, b.y); } static IterableIterator emptyIterableIterator_instance = new IterableIterator() { public Object next() { throw fail(); } public boolean hasNext() { return false; } }; static IterableIterator emptyIterableIterator() { return emptyIterableIterator_instance; } static boolean isTrueOrYes(Object o) { return isTrueOpt(o) || o instanceof String && (eqicOneOf(((String) o), "1", "t", "true") || isYes(((String) o))); } static LinkedHashMap asLinkedHashMap(Map map) { if (map instanceof LinkedHashMap) return (LinkedHashMap) map; LinkedHashMap m = new LinkedHashMap(); if (map != null) synchronized(collectionMutex(map)) { m.putAll(map); } return m; } static A[] arrayOfSameType(A[] a, int n) { return newObjectArrayOfSameType(a, n); } static List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static List subList(int startIndex, List l) { return subList(l, startIndex); } static List subList(int startIndex, int endIndex, List l) { return subList(l, startIndex, endIndex); } static List subList(List l, int startIndex, int endIndex) { if (l == null) return null; int n = l(l); startIndex = Math.max(0, startIndex); endIndex = Math.min(n, endIndex); if (startIndex > endIndex) return ll(); if (startIndex == 0 && endIndex == n) return l; return l.subList(startIndex, endIndex); } static List subList(List l, IntRange r) { return subList(l, r.start, r.end); } static void swingAndWait(Runnable r) { try { if (isAWTThread()) r.run(); else EventQueue.invokeAndWait(addThreadInfoToRunnable(r)); } catch (Exception __e) { throw rethrow(__e); } } static Object swingAndWait(final Object f) { if (isAWTThread()) return callF(f); else { final Var result = new Var(); swingAndWait(new Runnable() { public void run() { try { result.set(callF(f)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "result.set(callF(f));"; }}); return result.get(); } } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return "" + parseLong(snippetID); } static A proxy(Class intrface, final Object target) { if (target == null) return null; if (isInstance(intrface, target)) return (A) target; return (A) java.lang.reflect.Proxy.newProxyInstance(intrface.getClassLoader(), new Class[] { intrface }, new proxy_InvocationHandler(target)); } static A proxy(Object target, Class intrface) { return proxy(intrface, target); } static File javaxCachesDir_dir; // can be set to work on different base dir static File javaxCachesDir() { return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches"); } static File javaxCachesDir(String sub) { return newFile(javaxCachesDir(), sub); } static String replacePrefix(String prefix, String replacement, String s) { if (!startsWith(s, prefix)) return s; return replacement + substring(s, l(prefix)); } static String snippetImageURL(long snippetID) { return snippetImageURL(fsI(snippetID)); } static String snippetImageURL(String snippetID) { return snippetImageURL(snippetID, "png"); } static String snippetImageURL(String snippetID, String contentType) { if (snippetID == null || isURL(snippetID)) return snippetID; long id = parseSnippetID(snippetID); String url; if (isImageServerSnippet(id)) url = imageServerLink(id); else //url = "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id + "&contentType=image/" + contentType; url = "https://botcompany.de/img/" + id; return url; } static String appendColonIfNempty(String s) { return empty(s) ? "" : s + ": "; } static boolean isEmpty(Collection c) { return c == null || c.isEmpty(); } static boolean isEmpty(CharSequence s) { return s == null || s.length() == 0; } static boolean isEmpty(Object[] a) { return a == null || a.length == 0; } static boolean isEmpty(byte[] a) { return a == null || a.length == 0; } static boolean isEmpty(Map map) { return map == null || map.isEmpty(); } static boolean isEmpty(DoubleRange r) { return r == null || r.isEmpty(); } static class mapI_if1_It extends IterableIterator { IF1 f; Iterator i; mapI_if1_It() {} mapI_if1_It(IF1 f, Iterator i) { this.i = i; this.f = f;} public boolean hasNext() { return i.hasNext(); } public B next() { return f.get(i.next()); } public String toString() { return formatFunctionCall("mapI_if1", f, i); } } static IterableIterator mapI_if1(IF1 f, Iterable i) { return new mapI_if1_It(f, i.iterator()); } static IterableIterator mapI_if1(Iterable i, IF1 f) { return mapI_if1(f, i); } static Graphics2D antiAliasGraphics(BufferedImage img) { return antiAliasOn(createGraphics(img)); } static Map createGraphics_modulators = synchroIdentityHashMap(); static Graphics2D createGraphics(BufferedImage img) { Graphics2D g = img.createGraphics(); Object mod = createGraphics_modulators.get(img); if (mod != null) callF(mod, g); return g; } // mod: voidfunc(Graphics2D) static void createGraphics_modulate(BufferedImage img, Object mod) { mapPut2(createGraphics_modulators, img, mod); } static String[] drop(int n, String[] a) { n = Math.min(n, a.length); String[] b = new String[a.length-n]; System.arraycopy(a, n, b, 0, b.length); return b; } static Object[] drop(int n, Object[] a) { n = Math.min(n, a.length); Object[] b = new Object[a.length-n]; System.arraycopy(a, n, b, 0, b.length); return b; } static boolean isDigit(char c) { return Character.isDigit(c); } static Rect pointsRect(int x1, int y1, int x2, int y2) { return new Rect(x1, y1, x2-x1, y2-y1); } static boolean isTrueOpt(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); return false; } static boolean isTrueOpt(String field, Object o) { return isTrueOpt(getOpt(field, o)); } static List isYes_yesses = litlist("y", "yes", "yeah", "y", "yup", "yo", "corect", "sure", "ok", "afirmative"); // << collapsed words, so "corect" means "correct" static boolean isYes(String s) { return isYes_yesses.contains(collapseWord(toLowerCase(firstWord2(s)))); } static A[] newObjectArrayOfSameType(A[] a) { return newObjectArrayOfSameType(a, a.length); } static A[] newObjectArrayOfSameType(A[] a, int n) { return (A[]) Array.newInstance(a.getClass().getComponentType(), n); } static Runnable addThreadInfoToRunnable(final Object r) { final Object info = _threadInfo(); return info == null ? asRunnable(r) : new Runnable() { public void run() { try { _inheritThreadInfo(info); callF(r); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "_inheritThreadInfo(info); callF(r);"; }}; } static long parseLong(String s) { if (empty(s)) return 0; return Long.parseLong(dropSuffix("L", s)); } static long parseLong(Object s) { return Long.parseLong((String) s); } static String _userHome; static String userHome() { if (_userHome == null) return actualUserHome(); return _userHome; } static File userHome(String path) { return new File(userDir(), path); } static String fsI(String id) { return formatSnippetID(id); } static String fsI(long id) { return formatSnippetID(id); } static boolean isImageServerSnippet(long id) { return id >= 1100000 && id < 1200000; } static String imageServerLink(String md5OrID) { if (possibleMD5(md5OrID)) return "https://botcompany.de/images/md5/" + md5OrID; return imageServerLink(parseSnippetID(md5OrID)); } static String imageServerLink(long id) { return "https://botcompany.de/images/" + id; } // binary legacy syntax static String formatFunctionCall(String fname, Object... args) { return formatFunctionCall((Object) fname, args); } static String formatFunctionCall(Object fname, Object... args) { return fname + "(" + joinWithComma(allToString(args)) + ")"; } static String formatFunctionCall(String fname, Iterable args) { return formatFunctionCall((Object) fname, args); } static String formatFunctionCall(Object fname, Iterable args) { return formatFunctionCall(fname, toObjectArray(args)); } static Graphics2D antiAliasOn(Graphics2D g) { g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); return g; } static Map synchroIdentityHashMap() { return synchroMap(new IdentityHashMap()); } static void mapPut2(Map map, A key, B value) { if (map != null && key != null) if (value != null) map.put(key, value); else map.remove(key); } static ArrayList litlist(A... a) { ArrayList l = new ArrayList(a.length); for (A x : a) l.add(x); return l; } static String collapseWord(String s) { if (s == null) return ""; StringBuilder buf = new StringBuilder(); for (int i = 0; i < l(s); i++) if (i == 0 || !charactersEqualIC(s.charAt(i), s.charAt(i-1))) buf.append(s.charAt(i)); return buf.toString(); } static List toLowerCase(List strings) { List x = new ArrayList(); for (String s : strings) x.add(s.toLowerCase()); return x; } static String[] toLowerCase(String[] strings) { String[] x = new String[l(strings)]; for (int i = 0; i < l(strings); i++) x[i] = strings[i].toLowerCase(); return x; } static String toLowerCase(String s) { return s == null ? "" : s.toLowerCase(); } static String firstWord2(String s) { s = xltrim(s); if (empty(s)) return ""; if (isLetterOrDigit(first(s))) return takeCharsWhile(__32 -> isLetterOrDigit(__32), s); else return "" + first(s); } static List> _threadInfo_makers = synchroList(); static Object _threadInfo() { if (empty(_threadInfo_makers)) return null; HashMap map = new HashMap(); pcallFAll(_threadInfo_makers, map); return map; } static Runnable asRunnable(Object o) { return toRunnable(o); } static void _inheritThreadInfo(Object info) { _threadInheritInfo(info); } static String dropSuffix(String suffix, String s) { return nempty(suffix) && endsWith(s, suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static String actualUserHome_value; static String actualUserHome() { if (actualUserHome_value == null) { if (isAndroid()) actualUserHome_value = "/storage/emulated/0/"; else actualUserHome_value = System.getProperty("user.home"); } return actualUserHome_value; } static File actualUserHome(String sub) { return newFile(new File(actualUserHome()), sub); } static File userDir() { return new File(userHome()); } static File userDir(String path) { return new File(userHome(), path); } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static boolean possibleMD5(String s) { return isMD5(s); } static List allToString(Iterable c) { List l = new ArrayList(); for (Object o : unnull(c)) l.add(str(o)); return l; } static List allToString(Object[] c) { List l = new ArrayList(); for (Object o : unnull(c)) l.add(str(o)); return l; } static boolean charactersEqualIC(char c1, char c2) { if (c1 == c2) return true; char u1 = Character.toUpperCase(c1); char u2 = Character.toUpperCase(c2); if (u1 == u2) return true; return Character.toLowerCase(u1) == Character.toLowerCase(u2); } static String xltrim(String s) { int i = 0, n = l(s); while (i < n && contains(" \t\r\n", s.charAt(i))) ++i; return substr(s, i); } static boolean isLetterOrDigit(char c) { return Character.isLetterOrDigit(c); } // pred: char -> bool static String takeCharsWhile(String s, Object pred) { int i = 0; while (i < l(s) && isTrue(callF(pred, s.charAt(i)))) ++i; return substring(s, 0, i); } static String takeCharsWhile(IF1 f, String s) { return takeCharsWhile(s, f); } static void pcallFAll(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) pcallF(f, args); } static void pcallFAll(Iterator it, Object... args) { while (it.hasNext()) pcallF(it.next(), args); } static Runnable toRunnable(final Object o) { if (o instanceof Runnable) return (Runnable) o; return new Runnable() { public void run() { try { callF(o) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(o)"; }}; } static List> _threadInheritInfo_retrievers = synchroList(); static void _threadInheritInfo(Object info) { if (info == null) return; pcallFAll(_threadInheritInfo_retrievers, (Map) info); } static boolean isMD5(String s) { return l(s) == 32 && isLowerHexString(s); } static String substr(String s, int x) { return substring(s, x); } static String substr(String s, int x, int y) { return substring(s, x, y); } static Object pcallF(Object f, Object... args) { return pcallFunction(f, args); } static A pcallF(F0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { return null; } } static B pcallF(F1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { return null; } } static void pcallF(VF1 f, A a) { try { { if (f != null) f.get(a); } } catch (Throwable __e) { printStackTrace(__e); } } static Object pcallF(Runnable r) { try { { if (r != null) r.run(); } return null; } catch (Throwable __e) { return null; } } static A pcallF(IF0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { return null; } } static B pcallF(IF1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { return null; } } static boolean isLowerHexString(String s) { for (int i = 0; i < l(s); i++) { char c = s.charAt(i); if (c >= '0' && c <= '9' || c >= 'a' && c <= 'f') { // ok } else return false; } return true; } static Object pcallFunction(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable __e) { printStackTrace(__e); } return null; } static class Var implements IVar, ISetter { Var() {} Var(A v) { this.v = v;} A v; // you can access this directly if you use one thread public synchronized void set(A a) { if (v != a) { v = a; notifyAll(); } } public synchronized A get() { return v; } public synchronized boolean has() { return v != null; } public synchronized void clear() { v = null; } public String toString() { return str(this.get()); } } static interface IResourceLoader { String loadSnippet(String snippetID); String getTranspiled(String snippetID); // with libs int getSnippetType(String snippetID); String getSnippetTitle(String snippetID); File loadLibrary(String snippetID); default File pathToJavaXJar() { return pathToJavaxJar_noResourceLoader(); } // may return null, then caller compiles themselves default File getSnippetJar(String snippetID, String transpiledSrc) { return null; } } static class proxy_InvocationHandler implements InvocationHandler { Object target; proxy_InvocationHandler() {} proxy_InvocationHandler(Object target) { this.target = target;} public Object invoke(Object proxy, Method method, Object[] args) { return call(target, method.getName(), unnull(args)); } } abstract static class RandomAccessAbstractList extends AbstractList implements RandomAccess { } static interface IVar extends IF0 { void set(A a); A get(); default boolean has() { return get() != null; } default void clear() { set(null); } } static class T3 { A a; B b; C c; T3() {} T3(A a, B b, C c) { this.c = c; this.b = b; this.a = a;} T3(T3 t) { a = t.a; b = t.b; c = t.c; } public int hashCode() { return _hashCode(a) + 2*_hashCode(b) - 4*_hashCode(c); } public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof T3)) return false; T3 t = (T3) o; return eq(a, t.a) && eq(b, t.b) && eq(c, t.c); } public String toString() { return "(" + quoteBorderless(a) + ", " + quoteBorderless(b) + ", " + quoteBorderless(c) + ")"; } } static interface ISetter { void set(A a); } static File loadLibrary(String snippetID) { return loadBinarySnippet(snippetID); } // TODO: use actualUserHome()? // (there was a problem with onLocallyInferiorJavaX() always triggering inside #1013896) static File pathToJavaxJar() { IResourceLoader rl = vm_getResourceLoader(); if (rl != null) return rl.pathToJavaXJar(); return pathToJavaxJar_noResourceLoader(); } static File pathToJavaxJar_noResourceLoader() { try { int x = latestInstalledJavaX(); File xfile = new File(userHome(), ".javax/x" + Math.max(x, 30) + ".jar"); if (!xfile.isFile()) { print("Saving " + f2s(xfile)); String url = x30JarServerURL(); byte[] data = loadBinaryPage(url); if (data.length < 1000000) throw fail("Could not load " + url); saveBinaryFile(xfile.getPath(), data); } return xfile; } catch (Exception __e) { throw rethrow(__e); } } static String quoteBorderless(Object o) { if (o == null) return "null"; return quoteBorderless(str(o)); } static String quoteBorderless(String s) { if (s == null) return "null"; StringBuilder out = new StringBuilder((int) (l(s)*1.5)); quoteBorderless_impl(s, out); return out.toString(); } static void quoteBorderless_impl(String s, StringBuilder out) { int l = s.length(); for (int i = 0; i < l; i++) { char c = s.charAt(i); if (c == '\\' || c == '"') out.append('\\').append(c); else if (c == '\r') out.append("\\r"); else if (c == '\n') out.append("\\n"); else out.append(c); } } static File loadBinarySnippet(String snippetID) { IResourceLoader rl = vm_getResourceLoader(); if (rl != null) return rl.loadLibrary(snippetID); return loadBinarySnippet_noResourceLoader(snippetID); } static File loadBinarySnippet_noResourceLoader(String snippetID) { try { long id = parseSnippetID(snippetID); if (isImageServerSnippet(id)) return loadImageAsFile(snippetID); File f = DiskSnippetCache_getLibrary(id); if (fileSize(f) == 0) f = loadDataSnippetToFile_noResourceLoader(snippetID); return f; } catch (Exception __e) { throw rethrow(__e); } } static int latestInstalledJavaX() { File[] files = new File(userHome(), ".javax").listFiles(); int v = 0; if (files != null) for (File f : files) { Matcher m = regexpMatcher("x(\\d\\d\\d?)\\.jar", f.getName()); if (m.matches()) v = Math.max(v, Integer.parseInt(m.group(1))); } return v; } static String f2s(File f) { return f == null ? null : f.getAbsolutePath(); } static String f2s(String s) { return f2s(newFile(s)); } static String f2s(java.nio.file.Path p) { return p == null ? null : f2s(p.toFile()); } static String x30JarServerURL() { return "http://botcompany.de:8081/x30.jar"; } static ThreadLocal>> loadBinaryPage_responseHeaders = new ThreadLocal(); static ThreadLocal> loadBinaryPage_extraHeaders = new ThreadLocal(); static byte[] loadBinaryPage(String url) { try { print("Loading " + url); return loadBinaryPage(loadPage_openConnection(new URL(url))); } catch (Exception __e) { throw rethrow(__e); } } static byte[] loadBinaryPage(URLConnection con) { try { Map extraHeaders = getAndClearThreadLocal(loadBinaryPage_extraHeaders); setHeaders(con); for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key)); return loadBinaryPage_noHeaders(con); } catch (Exception __e) { throw rethrow(__e); } } static byte[] loadBinaryPage_noHeaders(URLConnection con) { try { ByteArrayOutputStream buf = new ByteArrayOutputStream(); InputStream inputStream = con.getInputStream(); loadBinaryPage_responseHeaders.set(con.getHeaderFields()); long len = 0; try { len = con.getContentLength/*Long*/(); } catch (Throwable e) { printStackTrace(e); } int n = 0; while (true) { int ch = inputStream.read(); if (ch < 0) break; buf.write(ch); if (++n % 100000 == 0) println(" " + n + (len != 0 ? "/" + len : "") + " bytes loaded."); } inputStream.close(); return buf.toByteArray(); } catch (Exception __e) { throw rethrow(__e); } } /** writes safely (to temp file, then rename) */ public static byte[] saveBinaryFile(String fileName, byte[] contents) { try { File file = new File(fileName); File parentFile = file.getParentFile(); if (parentFile != null) parentFile.mkdirs(); String tempFileName = fileName + "_temp"; FileOutputStream fileOutputStream = newFileOutputStream(tempFileName); fileOutputStream.write(contents); fileOutputStream.close(); if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (!new File(tempFileName).renameTo(file)) throw new IOException("Can't rename " + tempFileName + " to " + fileName); vmBus_send("wroteFile", file); return contents; } catch (Exception __e) { throw rethrow(__e); } } static byte[] saveBinaryFile(File fileName, byte[] contents) { return saveBinaryFile(fileName.getPath(), contents); } static File loadImageAsFile(String snippetIDOrURL) { try { if (isURL(snippetIDOrURL)) throw fail("not implemented"); if (!isSnippetID(snippetIDOrURL)) throw fail("Not a URL or snippet ID: " + snippetIDOrURL); String snippetID = "" + parseSnippetID(snippetIDOrURL); File file = imageSnippetCacheFile(snippetID); if (fileSize(file) > 0) return file; String imageURL = snippetImageURL_noHttps(snippetID); System.err.println("Loading image: " + imageURL); byte[] data = loadBinaryPage(imageURL); saveBinaryFile(file, data); return file; } catch (Exception __e) { throw rethrow(__e); } } // If you change this, also change DiskSnippetCache_fileToLibID static File DiskSnippetCache_file(long snippetID) { return new File(getGlobalCache(), "data_" + snippetID + ".jar"); } // Data files are immutable, use centralized cache public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException { File file = DiskSnippetCache_file(snippetID); return file.exists() ? file : null; } public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException { saveBinaryFile(DiskSnippetCache_file(snippetID), data); } static byte[] loadDataSnippetImpl(String snippetID) throws IOException { byte[] data; try { URL url = new URL(dataSnippetLink(snippetID)); print("Loading library: " + hideCredentials(url)); try { data = loadBinaryPage(url.openConnection()); } catch (RuntimeException e) { data = null; } if (data == null || data.length == 0) { url = new URL(tb_mainServer() + "/blobs/" + parseSnippetID(snippetID)); print("Loading library: " + hideCredentials(url)); data = loadBinaryPage(url.openConnection()); } print("Bytes loaded: " + data.length); } catch (FileNotFoundException e) { throw new IOException("Binary snippet #" + snippetID + " not found or not public"); } return data; } static long fileSize(String path) { return getFileSize(path); } static long fileSize(File f) { return getFileSize(f); } static File loadDataSnippetToFile(String snippetID) { try { IResourceLoader rl = vm_getResourceLoader(); if (rl != null) return rl.loadLibrary(snippetID); return loadDataSnippetToFile_noResourceLoader(snippetID); } catch (Exception __e) { throw rethrow(__e); } } static File loadDataSnippetToFile_noResourceLoader(String snippetID) { try { snippetID = fsI(snippetID); File f = DiskSnippetCache_file(parseSnippetID(snippetID)); List urlsTried = new ArrayList(); List errors = new ArrayList(); try { URL url = addAndReturn(urlsTried, new URL(dataSnippetLink(snippetID))); print("Loading library: " + hideCredentials(url)); try { loadBinaryPageToFile(openConnection(url), f); if (fileSize(f) == 0) throw fail(); } catch (Throwable e) { errors.add(e); url = addAndReturn(urlsTried, new URL(tb_mainServer() + "/blobs/" + psI(snippetID))); print(e); print("Trying other server: " + hideCredentials(url)); loadBinaryPageToFile(openConnection(url), f); print("Got bytes: " + fileSize(f)); } // TODO: check if we hit the "LOADING" message if (fileSize(f) == 0) throw fail(); System.err.println("Bytes loaded: " + fileSize(f)); } catch (Throwable e) { //printStackTrace(e); errors.add(e); throw fail("Binary snippet " + snippetID + " not found or not public. URLs tried: " + allToString(urlsTried) + ", errors: " + allToString(errors)); } return f; } catch (Exception __e) { throw rethrow(__e); } } static Matcher regexpMatcher(String pat, String s) { return compileRegexp(pat).matcher(unnull(s)); } static int loadPage_defaultTimeout = 60000; static ThreadLocal loadPage_charset = new ThreadLocal(); static boolean loadPage_allowGzip = true, loadPage_debug; static boolean loadPage_anonymous = false; // don't send computer ID static int loadPage_verboseness = 100000; static int loadPage_retries = 1; //60; // seconds static ThreadLocal loadPage_silent = new ThreadLocal(); static volatile int loadPage_forcedTimeout; // ms static ThreadLocal loadPage_forcedTimeout_byThread = new ThreadLocal(); // ms static ThreadLocal>> loadPage_responseHeaders = new ThreadLocal(); static ThreadLocal> loadPage_extraHeaders = new ThreadLocal(); static ThreadLocal loadPage_sizeLimit = new ThreadLocal(); public static String loadPageSilently(String url) { try { return loadPageSilently(new URL(loadPage_preprocess(url))); } catch (Exception __e) { throw rethrow(__e); } } public static String loadPageSilently(URL url) { try { if (!networkAllowanceTest(str(url))) throw fail("Not allowed: " + url); IOException e = null; for (int tries = 0; tries < loadPage_retries; tries++) try { URLConnection con = loadPage_openConnection(url); return loadPage(con, url); } catch (IOException _e) { e = _e; if (loadPage_debug) print(exceptionToStringShort(e)); if (tries < loadPage_retries-1) sleepSeconds(1); } throw e; } catch (Exception __e) { throw rethrow(__e); } } static String loadPage_preprocess(String url) { if (url.startsWith("tb/")) // don't think we use this anymore url = tb_mainServer() + "/" + url; if (url.indexOf("://") < 0) url = "http://" + url; return url; } static String loadPage(String url) { try { url = loadPage_preprocess(url); if (!isTrue(loadPage_silent.get())) printWithTime("Loading: " + hideCredentials(url)); return loadPageSilently(new URL(url)); } catch (Exception __e) { throw rethrow(__e); } } static String loadPage(URL url) { return loadPage(url.toExternalForm()); } static String loadPage(URLConnection con, URL url) throws IOException { return loadPage(con, url, true); } static String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException { Map extraHeaders = getAndClearThreadLocal(loadPage_extraHeaders); Long limit = optPar(loadPage_sizeLimit); if (addHeaders) try { if (!loadPage_anonymous) setHeaders(con); if (loadPage_allowGzip) con.setRequestProperty("Accept-Encoding", "gzip"); con.setRequestProperty("X-No-Cookies", "1"); for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key)); } catch (Throwable e) {} // fails if within doPost vm_generalSubMap("URLConnection per thread").put(currentThread(), con); loadPage_responseHeaders.set(con.getHeaderFields()); InputStream in = null; try { in = urlConnection_getInputStream(con); //vm_generalSubMap("InputStream per thread").put(currentThread(), in); if (loadPage_debug) print("Put stream in map: " + currentThread()); String contentType = con.getContentType(); if (contentType == null) { //printStruct("Headers: ", con.getHeaderFields()); throw new IOException("Page could not be read: " + hideCredentials(url)); } //print("Content-Type: " + contentType); String charset = loadPage_charset == null ? null : loadPage_charset.get(); if (charset == null) charset = loadPage_guessCharset(contentType); if ("gzip".equals(con.getContentEncoding())) { if (loadPage_debug) print("loadPage: Using gzip."); in = newGZIPInputStream(in); } Reader r; try { r = new InputStreamReader(in, unquote(charset)); } catch (UnsupportedEncodingException e) { print(toHex(utf8(charset))); throw e; } boolean silent = isTrue(loadPage_silent.get()); StringBuilder buf = new StringBuilder(); int n = 0; while (limit == null || n < limit) { ping(); int ch = r.read(); if (ch < 0) break; buf.append((char) ch); ++n; if (!silent && (n % loadPage_verboseness) == 0) print(" " + n + " chars read"); } return buf.toString(); } finally { if (loadPage_debug) print("loadPage done"); //vm_generalSubMap("InputStream per thread").remove(currentThread()); vm_generalSubMap("URLConnection per thread").remove(currentThread()); if (in != null) in.close(); } } static String loadPage_guessCharset(String contentType) { Matcher m = regexpMatcher("text/[a-z]+;\\s*charset=([^\\s]+)\\s*", contentType); String match = m.matches() ? m.group(1) : null; if (loadPage_debug) print("loadPage: contentType=" + contentType + ", match: " + match); /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */ //return or(match, "ISO-8859-1"); return or(match, "UTF-8"); } static URLConnection loadPage_openConnection(URL url) { URLConnection con = openConnection(url); int timeout = toInt(loadPage_forcedTimeout_byThread.get()); if (timeout == 0) timeout = loadPage_forcedTimeout; if (timeout != 0) setURLConnectionTimeouts(con, loadPage_forcedTimeout); else setURLConnectionDefaultTimeouts(con, loadPage_defaultTimeout); return con; } static A getAndClearThreadLocal(ThreadLocal tl) { A a = tl.get(); tl.set(null); return a; } static void setHeaders(URLConnection con) throws IOException { String computerID = getComputerID_quick(); if (computerID != null) try { con.setRequestProperty("X-ComputerID", computerID); con.setRequestProperty("X-OS", System.getProperty("os.name") + " " + System.getProperty("os.version")); } catch (Throwable e) { //printShortException(e); } } static A println(A a) { return print(a); } static FileOutputStream newFileOutputStream(File path) throws IOException { return newFileOutputStream(path.getPath()); } static FileOutputStream newFileOutputStream(String path) throws IOException { return newFileOutputStream(path, false); } static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException { return newFileOutputStream(path.getPath(), append); } static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException { mkdirsForFile(path); FileOutputStream f = new FileOutputStream(path, append); _registerIO(f, path, true); return f; } static File imageSnippetCacheFile(String snippetID) { File dir = imageSnippetsCacheDir(); if (!loadBufferedImage_useImageCache) return null; return new File(dir, parseSnippetID(snippetID) + ".png"); } static String snippetImageURL_noHttps(String snippetID) { return snippetImageURL_noHttps(snippetID, "png"); } static String snippetImageURL_noHttps(String snippetID, String contentType) { return snippetImageURL(snippetID, contentType) .replace("https://www.botcompany.de:8443/", "http://www.botcompany.de:8080/") .replace("https://botcompany.de/", "http://botcompany.de/"); } static File getGlobalCache() { File file = new File(javaxCachesDir(), "Binary Snippets"); file.mkdirs(); return file; } static String dataSnippetLink(String snippetID) { long id = parseSnippetID(snippetID); if (id >= 1100000 && id < 1200000) return imageServerURL() + id; if (id >= 1200000 && id < 1300000) { // Woody files, actually String pw = muricaPassword(); if (empty(pw)) throw fail("Please set 'murica password by running #1008829"); return "https://botcompany.de/files/" + id + "?_pass=" + pw; // XXX, although it typically gets hidden when printing } return fileServerURL() + "/" + id /*+ "?_pass=" + muricaPassword()*/; } static String tb_mainServer_default = "https://code.botcompany.de:9898"; static Object tb_mainServer_override; // func -> S static String tb_mainServer() { if (tb_mainServer_override != null) return (String) callF(tb_mainServer_override); return trim(loadTextFile(tb_mainServer_file(), tb_mainServer_default)); } static File tb_mainServer_file() { return getProgramFile("#1001638", "mainserver.txt"); } static boolean tb_mainServer_isDefault() { return eq(tb_mainServer(), tb_mainServer_default); } static A addAndReturn(Collection c, A a) { if (c != null) c.add(a); return a; } static void loadBinaryPageToFile(String url, File file) { try { print("Loading " + url); loadBinaryPageToFile(openConnection(new URL(url)), file); } catch (Exception __e) { throw rethrow(__e); } } static void loadBinaryPageToFile(URLConnection con, File file) { try { setHeaders(con); loadBinaryPageToFile_noHeaders(con, file); } catch (Exception __e) { throw rethrow(__e); } } static void loadBinaryPageToFile_noHeaders(URLConnection con, File file) { try { File ftemp = new File(f2s(file) + "_temp"); FileOutputStream buf = newFileOutputStream(mkdirsFor(ftemp)); try { InputStream inputStream = con.getInputStream(); long len = 0; try { len = con.getContentLength/*Long*/(); } catch (Throwable e) { printStackTrace(e); } String pat = " {*}" + (len != 0 ? "/" + len : "") + " bytes loaded."; copyStreamWithPrints(inputStream, buf, pat); inputStream.close(); buf.close(); file.delete(); renameFile_assertTrue(ftemp, file); } finally { if (buf != null) buf.close(); } } catch (Exception __e) { throw rethrow(__e); } } static URLConnection openConnection(String url) { try { return openConnection(new URL(url)); } catch (Exception __e) { throw rethrow(__e); } } static URLConnection openConnection(URL url) { try { ping(); callOpt(javax(), "recordOpenURLConnection", str(url)); return url.openConnection(); } catch (Exception __e) { throw rethrow(__e); } } static long psI(String snippetID) { return parseSnippetID(snippetID); } static Map compileRegexp_cache = syncMRUCache(10); static java.util.regex.Pattern compileRegexp(String pat) { java.util.regex.Pattern p = compileRegexp_cache.get(pat); if (p == null) { compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat)); } return p; } static boolean networkAllowanceTest(String url) { return isAllowed("networkAllowanceTest", url); } static String exceptionToStringShort(Throwable e) { lastException(e); e = getInnerException(e); String msg = hideCredentials(unnull(e.getMessage())); if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0) return baseClassName(e) + prependIfNempty(": ", msg); else return msg; } static void sleepSeconds(double s) { if (s > 0) sleep(round(s*1000)); } static A printWithTime(A a) { return printWithTime("", a); } static A printWithTime(String s, A a) { print(hmsWithColons() + ": " + s, a); return a; } static Map vm_generalSubMap(Object name) { synchronized(get(javax(), "generalMap")) { Map map = (Map) (vm_generalMap_get(name)); if (map == null) vm_generalMap_put(name, map = synchroMap()); return map; } } static InputStream urlConnection_getInputStream(URLConnection con) throws IOException { return con.getInputStream(); } static GZIPInputStream newGZIPInputStream(File f) { return gzInputStream(f); } static GZIPInputStream newGZIPInputStream(InputStream in) { return gzInputStream(in); } static String toHex(byte[] bytes) { return bytesToHex(bytes); } static String toHex(byte[] bytes, int ofs, int len) { return bytesToHex(bytes, ofs, len); } static byte[] utf8(String s) { return toUtf8(s); } static URLConnection setURLConnectionTimeouts(URLConnection con, long timeout) { con.setConnectTimeout(toInt(timeout)); con.setReadTimeout(toInt(timeout)); if (con.getConnectTimeout() != timeout || con.getReadTimeout() != timeout) print("Warning: Timeouts not set by JDK."); return con; } static URLConnection setURLConnectionDefaultTimeouts(URLConnection con, long timeout) { if (con.getConnectTimeout() == 0) { con.setConnectTimeout(toInt(timeout)); if (con.getConnectTimeout() != timeout) print("Warning: URL connect timeout not set by JDK."); } if (con.getReadTimeout() == 0) { con.setReadTimeout(toInt(timeout)); if (con.getReadTimeout() != timeout) print("Warning: URL read timeout not set by JDK."); } return con; } static String getComputerID_quick() { return computerID(); } public static File mkdirsForFile(File file) { File dir = file.getParentFile(); if (dir != null) { // is null if file is in current dir dir.mkdirs(); if (!dir.isDirectory()) if (dir.isFile()) throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!"); else throw fail("Unknown IO exception during mkdirs of " + f2s(file)); } return file; } public static String mkdirsForFile(String path) { mkdirsForFile(new File(path)); return path; } static void _registerIO(Object object, String path, boolean opened) { } static String imageServerURL() { return or2(trim(loadTextFile(javaxDataDir("image-server-url.txt"))), "http://botcompany.de/images/raw/"); } static volatile boolean muricaPassword_pretendNotAuthed = false; static String muricaPassword() { if (muricaPassword_pretendNotAuthed) return null; return trim(loadTextFile(muricaPasswordFile())); } static String fileServerURL() { return "https://botcompany.de/files"; } static String loadTextFile(String fileName) { return loadTextFile(fileName, null); } static String loadTextFile(File f, String defaultContents) { return loadTextFile(f, defaultContents, "UTF-8"); } static String loadTextFile(File f, String defaultContents, String encoding) { try { checkFileNotTooBigToRead(f); if (f == null || !f.exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(f); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, encoding); return loadTextFile(inputStreamReader); } catch (Exception __e) { throw rethrow(__e); } } public static String loadTextFile(File fileName) { return loadTextFile(fileName, null); } static String loadTextFile(String fileName, String defaultContents) { return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents); } static String loadTextFile(Reader reader) throws IOException { StringBuilder builder = new StringBuilder(); try { char[] buffer = new char[1024]; int n; while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n); } finally { reader.close(); } return str(builder); } static File getProgramFile(String progID, String fileName) { if (new File(fileName).isAbsolute()) return new File(fileName); return new File(getProgramDir(progID), fileName); } static File getProgramFile(String fileName) { return getProgramFile(getProgramID(), fileName); } public static File mkdirsFor(File file) { return mkdirsForFile(file); } static void copyStreamWithPrints(InputStream in, OutputStream out, String pat) { try { byte[] buf = new byte[65536]; int total = 0; while (true) { int n = in.read(buf); if (n <= 0) return; out.write(buf, 0, n); if ((total+n)/100000 > total/100000) print(pat.replace("{*}", str(roundDownTo(100000, total)))); total += n; } } catch (Exception __e) { throw rethrow(__e); } } static File renameFile_assertTrue(File a, File b) { try { if (a.equals(b)) return b; // no rename necessary if (!a.exists()) throw fail("Source file not found: " + f2s(a)); if (b.exists()) throw fail("Target file exists: " + f2s(b)); mkdirsForFile(b); if (!a.renameTo(b)) throw fail("Can't rename " + f2s(a) + " to " + f2s(b)); return b; } catch (Exception __e) { throw rethrow(__e); } } static Object callOpt(Object o) { return callF(o); } static Object callOpt(Object o, String method, Object... args) { return callOpt_withVarargs(o, method, args); } static Map syncMRUCache(int size) { return synchroMap(new MRUCache(size)); } static volatile Object isAllowed_function; // func(S, O[]) -> bool static volatile boolean isAllowed_all = true; static boolean isAllowed(String askingMethod, Object... args) { // check on VM level Object f = vm_generalMap_get("isAllowed_function"); if (f != null && !isTrue(callF(f, askingMethod, args))) return false; // check locally return isAllowed_all || isTrue(callF(isAllowed_function, askingMethod, args)); } static Throwable getInnerException(Throwable e) { if (e == null) return null; while (e.getCause() != null) e = e.getCause(); return e; } static Throwable getInnerException(Runnable r) { return getInnerException(getException(r)); } static String baseClassName(String className) { return substring(className, className.lastIndexOf('.')+1); } static String baseClassName(Object o) { return baseClassName(getClassName(o)); } static String prependIfNempty(String prefix, String s) { return empty(s) ? unnull(s) : prefix + s; } static volatile boolean sleep_noSleep = false; static void sleep(long ms) { ping(); if (ms < 0) return; // allow spin locks if (isAWTThread() && ms > 100) throw fail("Should not sleep on AWT thread"); try { Thread.sleep(ms); } catch (Exception e) { throw new RuntimeException(e); } } static void sleep() { try { if (sleep_noSleep) throw fail("nosleep"); print("Sleeping."); sleepQuietly(); } catch (Exception __e) { throw rethrow(__e); } } static long round(double d) { return Math.round(d); } static String round(String s) { return roundBracket(s); } static Complex round(Complex c) { return new Complex(round(c.re), round(c.im)); } static String hmsWithColons() { return hmsWithColons(now()); } static String hmsWithColons(long time) { return new SimpleDateFormat("HH:mm:ss").format(time); } static int gzInputStream_defaultBufferSize = 65536; static GZIPInputStream gzInputStream(File f) { try { return gzInputStream(new FileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static GZIPInputStream gzInputStream(File f, int bufferSize) { try { return gzInputStream(new FileInputStream(f), bufferSize); } catch (Exception __e) { throw rethrow(__e); } } static GZIPInputStream gzInputStream(InputStream in) { return gzInputStream(in, gzInputStream_defaultBufferSize); } static GZIPInputStream gzInputStream(InputStream in, int bufferSize) { try { return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in); } catch (Exception __e) { throw rethrow(__e); } } public static String bytesToHex(byte[] bytes) { return bytesToHex(bytes, 0, bytes.length); } public static String bytesToHex(byte[] bytes, int ofs, int len) { StringBuilder stringBuilder = new StringBuilder(len*2); for (int i = 0; i < len; i++) { String s = "0" + Integer.toHexString(bytes[ofs+i]); stringBuilder.append(s.substring(s.length()-2, s.length())); } return stringBuilder.toString(); } static byte[] toUtf8(String s) { try { return s.getBytes(utf8charset()); } catch (Exception __e) { throw rethrow(__e); } } static String _computerID; static Lock computerID_lock = lock(); public static String computerID() { if (_computerID == null) { Lock __0 = computerID_lock; lock(__0); try { if (_computerID != null) return _computerID; File file = computerIDFile(); _computerID = loadTextFile(file.getPath()); if (_computerID == null) { // legacy load _computerID = loadTextFile(userDir(".tinybrain/computer-id")); if (_computerID == null) _computerID = makeRandomID(12, new SecureRandom()); saveTextFile(file, _computerID); } } finally { unlock(__0); } } return _computerID; } static String or2(String a, String b) { return nempty(a) ? a : b; } static String or2(String a, String b, String c) { return or2(or2(a, b), c); } static File javaxDataDir_dir; // can be set to work on different base dir static File javaxDataDir() { return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data"); } static File javaxDataDir(String... subs) { return newFile(javaxDataDir(), subs); } static File muricaPasswordFile() { return new File(javaxSecretDir(), "murica/muricaPasswordFile"); } static ThreadLocal> checkFileNotTooBigToRead_tl = new ThreadLocal(); static void checkFileNotTooBigToRead(File f) { callF(checkFileNotTooBigToRead_tl.get(), f); } static File getProgramDir() { return programDir(); } static File getProgramDir(String snippetID) { return programDir(snippetID); } static String programID; static String getProgramID() { return nempty(programID) ? formatSnippetIDOpt(programID) : "?"; } // TODO: ask JavaX instead static String getProgramID(Class c) { String id = (String) getOpt(c, "programID"); if (nempty(id)) return formatSnippetID(id); return "?"; } static String getProgramID(Object o) { return getProgramID(getMainClass(o)); } // TODO: optimize to x-(x%n) in case that's the same thing // (or x-mod(x,n)?) static int roundDownTo(int n, int x) { return x/n*n; } static long roundDownTo(long n, long x) { return x/n*n; } static Object callOpt_withVarargs(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Class c = (Class) o; _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(method, args); if (me == null) { // TODO: varargs return null; } if ((me.getModifiers() & Modifier.STATIC) == 0) return null; return invokeMethod(me, null, args); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(method, args); if (me != null) return invokeMethod(me, o, args); // try varargs List methods = cache.cache.get(method); if (methods != null) methodSearch: for (Method m : methods) { { if (!(m.isVarArgs())) continue; } Object[] newArgs = massageArgsForVarArgsCall(m, args); if (newArgs != null) return invokeMethod(m, o, newArgs); } return null; } } catch (Exception __e) { throw rethrow(__e); } } static Throwable getException(Runnable r) { try { callF(r); return null; } catch (Throwable e) { return e; } } static Object sleepQuietly_monitor = new Object(); static void sleepQuietly() { try { assertFalse(isAWTThread()); synchronized(sleepQuietly_monitor) { sleepQuietly_monitor.wait(); } } catch (Exception __e) { throw rethrow(__e); } } static String roundBracket(String s) { return "(" + s + ")"; } static String roundBracket(Object s) { return roundBracket(str(s)); } static long now_virtualTime; static long now() { return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis(); } static A _registerIOWrap(A wrapper, Object wrapped) { return wrapper; } static Charset utf8charset_cache; static Charset utf8charset() { if (utf8charset_cache == null) utf8charset_cache = utf8charset_load(); return utf8charset_cache; } static Charset utf8charset_load() { return Charset.forName("UTF-8"); } static void lock(Lock lock) { try { ping(); if (lock == null) return; try { vmBus_send("locking", lock, "thread" , currentThread()); lock.lockInterruptibly(); vmBus_send("locked", lock, "thread" , currentThread()); } catch (InterruptedException e) { Object reason = vm_threadInterruptionReasonsMap().get(currentThread()); print("Locking interrupted! Reason: " + strOr(reason, "Unknown")); printStackTrace(e); rethrow(e); } // NO call to ping here! Make sure lock is always released. } catch (Exception __e) { throw rethrow(__e); } } static void lock(Lock lock, String msg) { print("Locking: " + msg); lock(lock); } static void lock(Lock lock, String msg, long timeout) { print("Locking: " + msg); lockOrFail(lock, timeout); } static ReentrantLock lock() { return fairLock(); } static File computerIDFile() { return javaxDataDir("Basic Info/computer-id.txt"); } static String makeRandomID(int length) { return makeRandomID(length, defaultRandomGenerator()); } static String makeRandomID(int length, Random random) { char[] id = new char[length]; for (int i = 0; i < id.length; i++) id[i] = (char) ((int) 'a' + random.nextInt(26)); return new String(id); } static String makeRandomID(Random r, int length) { return makeRandomID(length, r); } /** writes safely (to temp file, then rename) */ static File saveTextFile(String fileName, String contents) throws IOException { CriticalAction action = beginCriticalAction("Saving file " + fileName + " (" + l(contents) + " chars)"); try { File file = new File(fileName); mkdirsForFile(file); String tempFileName = fileName + "_temp"; File tempFile = new File(tempFileName); if (contents != null) { if (tempFile.exists()) try { String saveName = tempFileName + ".saved." + now(); copyFile(tempFile, new File(saveName)); } catch (Throwable e) { printStackTrace(e); } FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath()); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8"); PrintWriter printWriter = new PrintWriter(outputStreamWriter); printWriter.print(contents); printWriter.close(); } if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (contents != null) if (!tempFile.renameTo(file)) throw new IOException("Can't rename " + tempFile + " to " + file); vmBus_send("wroteFile", file); return file; } finally { action.done(); } } static File saveTextFile(File fileName, String contents) { try { saveTextFile(fileName.getPath(), contents); return fileName; } catch (Exception __e) { throw rethrow(__e); } } static void unlock(Lock lock, String msg) { if (lock == null) return; lock.unlock(); vmBus_send("unlocked", lock, "thread" , currentThread()); print("Unlocked: " + msg); // print afterwards to make sure the lock is always unlocked } static void unlock(Lock lock) { if (lock == null) return; lock.unlock(); vmBus_send("unlocked", lock, "thread" , currentThread()); } static File javaxSecretDir_dir; // can be set to work on different base dir static File javaxSecretDir() { return javaxSecretDir_dir != null ? javaxSecretDir_dir : new File(userHome(), "JavaX-Secret"); } static File javaxSecretDir(String sub) { return newFile(javaxSecretDir(), sub); } static File programDir_mine; // set this to relocate program's data static File programDir() { return programDir(getProgramID()); } static File programDir(String snippetID) { boolean me = sameSnippetID(snippetID, programID()); if (programDir_mine != null && me) return programDir_mine; File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID)); if (me) { String c = caseID(); if (nempty(c)) dir = newFile(dir, c); } return dir; } static File programDir(String snippetID, String subPath) { return new File(programDir(snippetID), subPath); } static String formatSnippetIDOpt(String s) { return isSnippetID(s) ? formatSnippetID(s) : s; } static Class getMainClass() { return mc(); } static Class getMainClass(Object o) { try { if (o == null) return null; if (o instanceof Class && eq(((Class) o).getName(), "x30")) return (Class) o; ClassLoader cl = (o instanceof Class ? (Class) o : o.getClass()).getClassLoader(); if (cl == null) return null; String name = mainClassNameForClassLoader(cl); return loadClassFromClassLoader_orNull(cl, name); } catch (Exception __e) { throw rethrow(__e); } } static void assertFalse(Object o) { if (!(eq(o, false) /*|| isFalse(pcallF(o))*/)) throw fail(str(o)); } static boolean assertFalse(boolean b) { if (b) throw fail("oops"); return b; } static boolean assertFalse(String msg, boolean b) { if (b) throw fail(msg); return b; } static Map vm_threadInterruptionReasonsMap() { return vm_generalWeakSubMap("Thread interruption reasons"); } static String strOr(Object o, String ifNull) { return o == null ? ifNull : str(o); } static void lockOrFail(Lock lock, long timeout) { try { ping(); vmBus_send("locking", lock, "thread" , currentThread()); if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) { String s = "Couldn't acquire lock after " + timeout + " ms."; if (lock instanceof ReentrantLock) { ReentrantLock l = (ReentrantLock) lock; s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner"); } throw fail(s); } vmBus_send("locked", lock, "thread" , currentThread()); ping(); } catch (Exception __e) { throw rethrow(__e); } } static ReentrantLock fairLock() { return new ReentrantLock(true); } static Random defaultRandomGenerator() { return ThreadLocalRandom.current(); } static List beginCriticalAction_inFlight = synchroList(); static class CriticalAction { String description; CriticalAction() {} CriticalAction(String description) { this.description = description;} void done() { beginCriticalAction_inFlight.remove(this); } } static CriticalAction beginCriticalAction(String description) { ping(); CriticalAction c = new CriticalAction(description); beginCriticalAction_inFlight.add(c); return c; } static void cleanMeUp_beginCriticalAction() { int n = 0; while (nempty(beginCriticalAction_inFlight)) { int m = l(beginCriticalAction_inFlight); if (m != n) { n = m; try { print("Waiting for " + n2(n, "critical actions") + ": " + join(", ", collect(beginCriticalAction_inFlight, "description"))); } catch (Throwable __e) { printStackTrace(__e); } } sleepInCleanUp(10); } } static File copyFile(File src, File dest) { try { FileInputStream inputStream = new FileInputStream(src.getPath()); FileOutputStream outputStream = newFileOutputStream(dest.getPath()); try { copyStream(inputStream, outputStream); inputStream.close(); } finally { outputStream.close(); } return dest; } catch (Exception __e) { throw rethrow(__e); } } static boolean sameSnippetID(String a, String b) { if (!isSnippetID(a) || !isSnippetID(b)) return false; return parseSnippetID(a) == parseSnippetID(b); } static String programID() { return getProgramID(); } static String programID(Object o) { return getProgramID(o); } static volatile String caseID_caseID; static String caseID() { return caseID_caseID; } static void caseID(String id) { caseID_caseID = id; } static String mainClassNameForClassLoader(ClassLoader cl) { return or((String) callOpt(cl, "mainClassName"), "main"); } static Class loadClassFromClassLoader_orNull(ClassLoader cl, String name) { try { return cl == null ? null : cl.loadClass(name); } catch (ClassNotFoundException e) { return null; } } static Map vm_generalWeakSubMap(Object name) { synchronized(get(javax(), "generalMap")) { Map map = (Map) (vm_generalMap_get(name)); if (map == null) vm_generalMap_put(name, map = newWeakMap()); return map; } } static List collect(Iterable c, String field) { return collectField(c, field); } static List collect(String field, Iterable c) { return collectField(c, field); } /*ifclass Concept static L collect(Class c, S field) { ret collect(list(c), field); } endif TODO: make translator ignore stuff in ifclass until resolved */ static void sleepInCleanUp(long ms) { try { if (ms < 0) return; Thread.sleep(ms); } catch (Exception __e) { throw rethrow(__e); } } static void copyStream(InputStream in, OutputStream out) { try { byte[] buf = new byte[65536]; while (true) { int n = in.read(buf); if (n <= 0) return; out.write(buf, 0, n); } } catch (Exception __e) { throw rethrow(__e); } } static Map newWeakMap() { return newWeakHashMap(); } static List collectField(Iterable c, String field) { List l = new ArrayList(); if (c != null) for (Object a : c) l.add(getOpt(a, field)); return l; } static List collectField(String field, Iterable c) { return collectField(c, field); } // elements are put to front when added (not when accessed) static class MRUCache extends LinkedHashMap { int maxSize = 10; MRUCache() {} MRUCache(int maxSize) { this.maxSize = maxSize;} protected boolean removeEldestEntry(Map.Entry eldest) { return size() > maxSize; } Object _serialize() { return ll(maxSize, cloneLinkedHashMap(this)); } static MRUCache _deserialize(List l) { MRUCache m = new MRUCache(); m.maxSize = (int) first(l); m.putAll((LinkedHashMap) second(l)); return m; } } static LinkedHashMap cloneLinkedHashMap(Map map) { return map == null ? new LinkedHashMap() : new LinkedHashMap(map); } static A second(List l) { return get(l, 1); } static A second(Iterable l) { if (l == null) return null; Iterator it = iterator(l); if (!it.hasNext()) return null; it.next(); return it.hasNext() ? it.next() : null; } static A second(A[] bla) { return bla == null || bla.length <= 1 ? null : bla[1]; } static B second(Pair p) { return p == null ? null : p.b; } static B second(T3 t) { return t == null ? null : t.b; } static char second(String s) { return charAt(s, 1); } static char charAt(String s, int i) { return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0'; } }