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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 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.*;
public class main {
public static void main(String[] args) throws Exception {
byte[] input = {5, 0x0a};
String s = structure(input);
print(s);
Object o = unstructure(s);
String x = structure(o);
assertEquals(s, x);
assertTrue(o instanceof byte[]);
assertEquals(2, ((byte[]) o).length);
assertEquals((byte) 5, ((byte[]) o)[0]);
assertEquals((byte) 0x0a, ((byte[]) o)[1]);
print("OK");
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static volatile StringBuffer 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; // total mute if set
static void print() {
print("");
}
// slightly overblown signature to return original object...
static A print(A o) {
if (print_silent) return o;
String s = String.valueOf(o) + "\n";
StringBuffer loc = local_log;
StringBuffer 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);
return o;
}
static void print(long l) {
print(String.valueOf(l));
}
static void print(char c) {
print(String.valueOf(c));
}
static void print_append(StringBuffer buf, String s, int max) {
synchronized(buf) {
buf.append(s);
max /= 2;
if (buf.length() > max) 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);
}
}
}
static void assertTrue(Object o) {
assertEquals(true, 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 A assertEquals(Object x, A y) {
return assertEquals(null, x, y);
}
static A assertEquals(String msg, Object x, A y) {
if (!(x == null ? y == null : x.equals(y)))
throw fail((msg != null ? msg + ": " : "") + structure(x) + " != " + structure(y));
return y;
}
static Object unstructure(String text) {
return unstructure(text, false);
}
static Object unstructure(String text, final boolean allDynamic) {
return unstructure(text, allDynamic, null);
}
// TODO: backrefs for hashmap{} etc
// classFinder: name -> class
static Object unstructure(String text, final boolean allDynamic,
final Object classFinder) {
if (text == null) return null;
final List tok = javaTok(text);
final boolean debug = unstructure_debug;
class X {
int i = 1;
HashMap refs = new HashMap();
Object parse() {
String t = tok.get(i);
int refID = 0;
if (t.startsWith("m") && isInteger(t.substring(1))) {
refID = parseInt(t.substring(1));
i += 2;
t = tok.get(i);
}
if (debug)
print("parse: " + quote(t));
if (t.startsWith("\"")) {
String s = unquote(tok.get(i));
i += 2;
return s;
}
if (t.startsWith("'")) {
char c = unquoteCharacter(tok.get(i));
i += 2;
return c;
}
if (t.equals("bigint"))
return parseBigInt();
if (t.equals("d"))
return parseDouble();
if (t.equals("f"))
return parseFloat();
if (t.equals("false") || t.equals("f")) {
i += 2; return false;
}
if (t.equals("true") || t.equals("t")) {
i += 2; return true;
}
if (t.equals("-")) {
t = tok.get(i+2);
i += 4;
return isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t));
}
if (isInteger(t) || isLongConstant(t)) {
i += 2;
if (debug)
print("isLongConstant " + quote(t) + " => " + isLongConstant(t));
if (isLongConstant(t)) return parseLong(t);
long l = parseLong(t);
return l != (int) l ? new Long(l) : new Integer((int) l);
}
if (t.equals("File")) {
File f = new File(unquote(tok.get(i+2)));
i += 4;
return f;
}
if (t.startsWith("r") && isInteger(t.substring(1))) {
i += 2;
int ref = Integer.parseInt(t.substring(1));
Object o = refs.get(ref);
if (o == null)
print("Warning: unsatisfied back reference " + ref);
return o;
}
return parse_inner(refID);
}
// everything that can be backreferenced
Object parse_inner(int refID) {
String t = tok.get(i);
if (debug)
print("parse_inner: " + quote(t));
if (t.equals("hashset"))
return parseHashSet();
if (t.equals("treeset"))
return parseTreeSet();
if (t.equals("hashmap"))
return parseHashMap();
if (t.equals("{"))
return parseMap();
if (t.equals("["))
return parseList();
if (t.equals("array"))
return parseArray();
if (t.equals("ba")) {
String hex = unquote(tok.get(i+2));
i += 4;
return hexToBytes(hex);
}
if (t.equals("class"))
return parseClass();
if (t.equals("l"))
return parseLisp();
if (t.equals("null")) {
i += 2; return null;
}
// any other class name
if (isJavaIdentifier(t)) {
Class c;
if (allDynamic) c = null;
else if (classFinder != null)
c = (Class) callF(classFinder, t);
else
c = findClass(t);
DynamicObject dO = null;
Object o = null;
if (c != null)
o = nuObject(c);
else {
dO = new DynamicObject();
dO.className = t;
}
if (refID != 0)
refs.put(refID, o);
i += 2;
if (i < tok.size() && tok.get(i).equals("(")) {
consume("(");
while (!tok.get(i).equals(")")) {
// It's like parsing a map.
//Object key = parse();
//if (tok.get(i).equals(")"))
// key = onlyField();
String key = unquote(tok.get(i));
i += 2;
consume("=");
Object value = parse();
if (o != null)
setOpt(o, key, value);
else
dO.fieldValues.put(key, value);
if (tok.get(i).equals(",")) i += 2;
}
consume(")");
}
return o != null ? o : dO;
}
throw new RuntimeException("Unknown token " + (i+1) + ": " + t);
}
Object parseSet(Set set) {
set.addAll((List) parseList());
return set;
}
Object parseLisp() {
consume("l");
consume("(");
List list = new ArrayList();
while (!tok.get(i).equals(")")) {
list.add(parse());
if (tok.get(i).equals(",")) i += 2;
}
consume(")");
return newObject("main$Lisp", (String) list.get(0), subList(list, 1));
}
Object parseList() {
consume("[");
List list = new ArrayList();
while (!tok.get(i).equals("]")) {
list.add(parse());
if (tok.get(i).equals(",")) i += 2;
}
consume("]");
return list;
}
Object parseArray() {
consume("array");
consume("{");
List list = new ArrayList();
while (!tok.get(i).equals("}")) {
list.add(parse());
if (tok.get(i).equals(",")) i += 2;
}
consume("}");
return list.toArray();
}
Object parseClass() {
consume("class");
consume("(");
String name = tok.get(i);
i += 2;
consume(")");
Class c = allDynamic ? null : findClass(name);
if (c != null) return c;
DynamicObject dO = new DynamicObject();
dO.className = "java.lang.Class";
dO.fieldValues.put("name", name);
return dO;
}
Object parseBigInt() {
consume("bigint");
consume("(");
String val = tok.get(i);
i += 2;
if (eq(val, "-")) {
val = "-" + tok.get(i);
i += 2;
}
consume(")");
return new BigInteger(val);
}
Object parseDouble() {
consume("d");
consume("(");
String val = unquote(tok.get(i));
i += 2;
consume(")");
return Double.parseDouble(val);
}
Object parseFloat() {
consume("f");
consume("(");
String val = unquote(tok.get(i));
i += 2;
consume(")");
return Float.parseFloat(val);
}
Object parseHashMap() {
consume("hashmap");
return parseMap(new HashMap());
}
Object parseHashSet() {
consume("hashset");
return parseSet(new HashSet());
}
Object parseTreeSet() {
consume("treeset");
return parseSet(new TreeSet());
}
Object parseMap() {
return parseMap(new TreeMap());
}
Object parseMap(Map map) {
consume("{");
while (!tok.get(i).equals("}")) {
Object key = parse();
consume("=");
Object value = parse();
map.put(key, value);
if (tok.get(i).equals(",")) i += 2;
}
consume("}");
return map;
}
void consume(String s) {
if (!tok.get(i).equals(s)) {
String prevToken = i-2 >= 0 ? tok.get(i-2) : "";
String nextTokens = join(tok.subList(i, Math.min(i+4, tok.size())));
throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
}
i += 2;
}
}
return new X().parse();
}
static boolean unstructure_debug;
static String structure(Object o) {
HashSet refd = new HashSet();
return structure_2(structure_1(o, 0, new IdentityHashMap(), refd), refd);
}
// leave to false, unless unstructure() breaks
static boolean structure_allowShortening = false;
static String structure_1(Object o, int stringSizeLimit, IdentityHashMap seen, HashSet refd) {
if (o == null) return "null";
// these are never back-referenced (for readability)
if (o instanceof String)
return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o);
if (o instanceof BigInteger)
return "bigint(" + o + ")";
if (o instanceof Double)
return "d(" + quote(str(o)) + ")";
if (o instanceof Float)
return "f(" + quote(str(o)) + ")";
if (o instanceof Long)
return o + "L";
if (o instanceof Integer)
return str(o);
if (o instanceof Boolean)
return ((Boolean) o).booleanValue() ? "t" : "f";
if (o instanceof Character)
return quoteCharacter((Character) o);
if (o instanceof File)
return "File " + quote(((File) o).getPath());
// referencable objects follow
Integer ref = seen.get(o);
if (ref != null) {
refd.add(ref);
return "r" + ref;
}
ref = seen.size()+1;
seen.put(o, ref);
String r = "m" + ref + " "; // marker
String name = o.getClass().getName();
StringBuilder buf = new StringBuilder();
if (o instanceof HashSet)
return r + "hashset " + structure_1(new ArrayList((Set) o), stringSizeLimit, seen, refd);
if (o instanceof TreeSet)
return r + "treeset " + structure_1(new ArrayList((Set) o), stringSizeLimit, seen, refd);
if (o instanceof Collection) {
for (Object x : (Collection) o) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure_1(x, stringSizeLimit, seen, refd));
}
return r + "[" + buf + "]";
}
if (o instanceof Map) {
for (Object e : ((Map) o).entrySet()) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure_1(((Map.Entry) e).getKey(), stringSizeLimit, seen, refd));
buf.append("=");
buf.append(structure_1(((Map.Entry) e).getValue(), stringSizeLimit, seen, refd));
}
return r + (o instanceof HashMap ? "hashmap" : "") + "{" + buf + "}";
}
if (o.getClass().isArray()) {
if (o instanceof byte[])
return "ba " + quote(bytesToHex((byte[]) o));
int n = Array.getLength(o);
for (int i = 0; i < n; i++) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure_1(Array.get(o, i), stringSizeLimit, seen, refd));
}
return r + "array{" + buf + "}";
}
if (o instanceof Class)
return r + "class(" + quote(((Class) o).getName()) + ")";
if (o instanceof Throwable)
return r + "exception(" + quote(((Throwable) o).getMessage()) + ")";
if (o instanceof BitSet) {
BitSet bs = (BitSet) o;
for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) {
if (buf.length() != 0) buf.append(", ");
buf.append(i);
}
return "bitset{" + buf + "}";
}
// Need more cases? This should cover all library classes...
if (name.startsWith("java.") || name.startsWith("javax."))
return r + String.valueOf(o);
String shortName = o.getClass().getName().replaceAll("^main\\$", "");
if (shortName.equals("Lisp")) {
buf.append("l(" + structure_1(getOpt(o, "head"), stringSizeLimit, seen, refd));
List args = (List) ( getOpt(o, "args"));
if (nempty(args))
for (int i = 0; i < l(args); i++) {
buf.append(", ");
Object arg = args.get(i);
// sweet shortening
if (arg != null && eq(arg.getClass().getName(), "main$Lisp") && isTrue(call(arg, "isEmpty")))
arg = get(arg, "head");
buf.append(structure_1(arg, stringSizeLimit, seen, refd));
}
buf.append(")");
return r + str(buf);
}
int numFields = 0;
String fieldName = "";
if (shortName.equals("DynamicObject")) {
shortName = (String) get_raw(o, "className");
Map fieldValues = (Map) get_raw(o, "fieldValues");
for (String _fieldName : fieldValues.keySet()) {
fieldName = _fieldName;
Object value = fieldValues.get(fieldName);
if (value != null) {
if (buf.length() != 0) buf.append(", ");
buf.append(fieldName + "=" + structure_1(value, stringSizeLimit, seen, refd));
}
++numFields;
}
} else {
// regular class
Class c = o.getClass();
while (c != Object.class) {
Field[] fields = c.getDeclaredFields();
for (Field field : fields) {
if ((field.getModifiers() & Modifier.STATIC) != 0)
continue;
fieldName = field.getName();
// skip outer object reference
if (fieldName.indexOf("$") >= 0) continue;
Object value;
try {
field.setAccessible(true);
value = field.get(o);
} catch (Exception e) {
value = "?";
}
// put special cases here...
if (value != null) {
if (buf.length() != 0) buf.append(", ");
buf.append(fieldName + "=" + structure_1(value, stringSizeLimit, seen, refd));
}
++numFields;
}
c = c.getSuperclass();
}
}
String b = buf.toString();
if (numFields == 1 && structure_allowShortening)
b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one
String s = shortName;
if (buf.length() != 0)
s += "(" + b + ")";
return r + s;
}
// drop unused markers
static String structure_2(String s, HashSet refd) {
List tok = javaTok(s);
StringBuilder out = new StringBuilder();
for (int i = 1; i < l(tok); i += 2) {
String t = tok.get(i);
if (t.startsWith("m") && isInteger(t.substring(1))
&& !refd.contains(parseInt(t.substring(1))))
continue;
out.append(t).append(tok.get(i+1));
}
return str(out);
}
// replacement for class JavaTok
// maybe incomplete, might want to add floating point numbers
// todo also: extended multi-line strings
static int javaTok_n, javaTok_elements;
static boolean javaTok_opt;
static List javaTok(String s) {
return javaTok(s, null);
}
static List javaTok(String s, List existing) {
++javaTok_n;
int nExisting = javaTok_opt && existing != null ? existing.size() : 0;
List tok = existing != null ? new ArrayList(nExisting) : new ArrayList();
int l = s.length();
int i = 0, n = 0;
while (i < l) {
int j = i;
char c; String cc;
// scan for whitespace
while (j < l) {
c = s.charAt(j);
cc = s.substring(j, Math.min(j+2, l));
if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
++j;
else if (cc.equals("/*")) {
do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
j = Math.min(j+2, l);
} else if (cc.equals("//")) {
do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
} else
break;
}
if (n < nExisting && javaTok_isCopyable(existing.get(n), s, i, j))
tok.add(existing.get(n));
else
tok.add(quickSubstring(s, i, j));
++n;
i = j;
if (i >= l) break;
c = s.charAt(i); // cc is not needed in rest of loop body
cc = s.substring(i, Math.min(i+2, l));
// scan for non-whitespace
if (c == '\'' || c == '"') {
char opener = c;
++j;
while (j < l) {
if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
++j;
break;
} else if (s.charAt(j) == '\\' && j+1 < l)
j += 2;
else
++j;
}
} else if (Character.isJavaIdentifierStart(c))
do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
else if (Character.isDigit(c)) {
do ++j; while (j < l && Character.isDigit(s.charAt(j)));
if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
} else if (cc.equals("[[")) {
do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
j = Math.min(j+2, l);
} else if (cc.equals("[=") && i+2 < l && s.charAt(i+2) == '[') {
do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
j = Math.min(j+3, l);
} else
++j;
if (n < nExisting && javaTok_isCopyable(existing.get(n), s, i, j))
tok.add(existing.get(n));
else
tok.add(quickSubstring(s, i, j));
++n;
i = j;
}
if ((tok.size() % 2) == 0) tok.add("");
javaTok_elements += tok.size();
return tok;
}
static List javaTok(List tok) {
return javaTok(join(tok), tok);
}
static boolean javaTok_isCopyable(String t, String s, int i, int j) {
return t.length() == j-i
&& s.regionMatches(i, t, 0, j-i); // << could be left out, but that's brave
}
static Object callF(Object f, Object... args) {
return callFunction(f, args);
}
static double parseDouble(String s) {
return Double.parseDouble(s);
}
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 boolean isInteger(String s) {
return s != null && Pattern.matches("\\-?\\d+", s);
}
static String quote(String s) {
if (s == null) return "null";
return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\"";
}
static String quote(long l) {
return quote("" + l);
}
static String quote(char c) {
return quote("" + c);
}
static String shorten(String s, int max) {
if (s == null) return "";
return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}
static Object newObject(Class c, Object... args) {
return nuObject(c, args);
}
static Object newObject(String className, Object... args) {
return nuObject(className, args);
}
// get purpose 1: access a list/array (safer version of x.get(y))
static A get(List l, int idx) {
return idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
static A get(A[] l, int idx) {
return idx >= 0 && idx < l(l) ? l[idx] : null;
}
// get purpose 2: access a field by reflection or a map
static Object get(Object o, String field) {
if (o instanceof Class) return get((Class) o, field);
if (o instanceof Map)
return ((Map) o).get(field);
if (o.getClass().getName().equals("main$DynamicObject"))
return call(get_raw(o, "fieldValues"), "get", field);
return get_raw(o, field);
}
static Object get_raw(Object o, String field) {
try {
Field f = get_findField(o.getClass(), field);
f.setAccessible(true);
return f.get(o);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Object get(Class c, String field) {
try {
Field f = get_findStaticField(c, field);
f.setAccessible(true);
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() & 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 boolean isLongConstant(String s) {
if (!s.endsWith("L")) return false;
s = s.substring(0, l(s)-1);
return isInteger(s);
}
static String quoteCharacter(char c) {
if (c == '\'') return "'\\''";
if (c == '\\') return "'\\\\'";
return "'" + c + "'";
}
public static String join(String glue, Iterable 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(Iterable strings) {
return join("", strings);
}
public static String join(String[] strings) {
return join("", strings);
}
public static String unquote(String s) {
if (s == null) return null;
if (s.startsWith("[")) {
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.startsWith("\"") /*&& s.endsWith("\"")*/ && s.length() > 1) {
String st = s.substring(1, s.endsWith("\"") ? s.length()-1 : s.length());
StringBuilder sb = new StringBuilder(st.length());
for (int i = 0; i < st.length(); i++) {
char ch = st.charAt(i);
if (ch == '\\') {
char nextChar = (i == st.length() - 1) ? '\\' : st
.charAt(i + 1);
// Octal escape?
if (nextChar >= '0' && nextChar <= '7') {
String code = "" + nextChar;
i++;
if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
&& st.charAt(i + 1) <= '7') {
code += st.charAt(i + 1);
i++;
if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
&& st.charAt(i + 1) <= '7') {
code += st.charAt(i + 1);
i++;
}
}
sb.append((char) Integer.parseInt(code, 8));
continue;
}
switch (nextChar) {
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;
case '\'':
ch = '\'';
break;
// Hex Unicode: u????
case 'u':
if (i >= st.length() - 5) {
ch = 'u';
break;
}
int code = Integer.parseInt(
"" + st.charAt(i + 2) + st.charAt(i + 3)
+ st.charAt(i + 4) + st.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();
} else
return s; // return original
}
static List subList(List l, int startIndex) {
return subList(l, startIndex, l(l));
}
static List subList(List l, int startIndex, int endIndex) {
startIndex = max(0, min(l(l), startIndex));
endIndex = max(0, min(l(l), endIndex));
if (startIndex > endIndex) return litlist();
return l.subList(startIndex, endIndex);
}
static byte[] hexToBytes(String s) {
int n = l(s) / 2;
byte[] bytes = new byte[n];
for (int i = 0; i < n; i++)
bytes[i] = (byte) parseHexByte(substring(s, i*2, i*2+2));
return bytes;
}
static boolean nempty(Collection c) {
return !isEmpty(c);
}
static boolean nempty(CharSequence s) {
return !isEmpty(s);
}
static boolean nempty(Object[] o) {
return !isEmpty(o);
}
static boolean nempty(Map m) {
return !isEmpty(m);
}
static boolean nempty(Iterator i) {
return i != null && i.hasNext();
}
// currently finds only inner classes of class "main"
// returns null on not found
// this is the simple version that is not case-tolerant
static Class findClass(String name) {
try {
return Class.forName("main$" + name);
} catch (ClassNotFoundException e) {
return null;
}
}
static boolean eq(Object a, Object b) {
if (a == null) return b == null;
if (a.equals(b)) return true;
if (a instanceof BigInteger) {
if (b instanceof Integer) return a.equals(BigInteger.valueOf((Integer) b));
if (b instanceof Long) return a.equals(BigInteger.valueOf((Long) b));
}
return false;
}
static int l(Object[] array) {
return array == null ? 0 : array.length;
}
static int l(byte[] array) {
return array == null ? 0 : array.length;
}
static int l(int[] array) {
return array == null ? 0 : array.length;
}
static int l(char[] array) {
return array == null ? 0 : array.length;
}
static int l(Collection c) {
return c == null ? 0 : c.size();
}
static int l(Map m) {
return m == null ? 0 : m.size();
}
static int l(String s) {
return s == null ? 0 : s.length();
}
static int l(Object o) {
return l((List) o); // incomplete
}
static char unquoteCharacter(String s) {
assertTrue(s.startsWith("'") && s.length() > 1);
return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length()-1 : s.length()) + "\"").charAt(0);
}
static int parseInt(String s) {
return empty(s) ? 0 : Integer.parseInt(s);
}
static String str(Object o) {
return String.valueOf(o);
}
static Object call(Object o) {
return callFunction(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) {
try {
if (o instanceof Class) {
Method m = call_findStaticMethod((Class) o, method, args, false);
m.setAccessible(true);
return m.invoke(null, args);
} else {
Method m = call_findMethod(o, method, args, false);
m.setAccessible(true);
return m.invoke(o, args);
}
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
}
}
static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
Class _c = c;
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (!m.getName().equals(method)) {
if (debug) System.out.println("Method name mismatch: " + method);
continue;
}
if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug))
continue;
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName());
}
static Method call_findMethod(Object o, String method, Object[] args, boolean debug) {
Class c = o.getClass();
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (m.getName().equals(method) && call_checkArgs(m, args, debug))
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName());
}
private static boolean call_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 RuntimeException fail() {
throw new RuntimeException("fail");
}
static RuntimeException fail(Object msg) {
throw new RuntimeException(String.valueOf(msg));
}
static RuntimeException fail(String msg) {
throw new RuntimeException(unnull(msg));
}
// disabled for now to shorten some programs
/*static RuntimeException fail(S msg, O... args) {
throw new RuntimeException(format(msg, args));
}*/
// hmm, this shouldn't call functions really. That was just
// for coroutines.
static boolean isTrue(Object o) {
if (o instanceof Boolean)
return ((Boolean) o).booleanValue();
if (o == null) return false;
return ((Boolean) callF(o)).booleanValue();
}
static boolean isTrue(Object pred, Object arg) {
return booleanValue(callF(pred, arg));
}
static void setOpt(Object o, String field, Object value) {
if (o instanceof Class) setOpt((Class) o, field, value);
else try {
Field f = setOpt_findField(o.getClass(), field);
if (f != null)
smartSet(f, o, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static void setOpt(Class c, String field, Object value) {
try {
Field f = setOpt_findStaticField(c, field);
if (f != null)
smartSet(f, null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field setOpt_findStaticField(Class c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static Field setOpt_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 Object getOpt(Object o, String field) {
if (o instanceof String) o = getBot ((String) o);
if (o == null) return null;
if (o instanceof Class) return getOpt((Class) o, field);
if (o.getClass().getName().equals("main$DynamicObject"))
return ((Map) getOpt_raw(o, "fieldValues")).get(field);
if (o instanceof Map) return ((Map) o).get(field);
return getOpt_raw(o, field);
}
static Object getOpt_raw(Object o, String field) {
try {
Field f = getOpt_findField(o.getClass(), field);
if (f == null) return null;
f.setAccessible(true);
return f.get(o);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Object getOpt(Class c, String field) {
try {
if (c == null) return null;
Field f = getOpt_findStaticField(c, field);
if (f == null) return null;
f.setAccessible(true);
return f.get(null);
} catch (Exception e) {
throw new RuntimeException(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() & Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
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 long parseLong(String s) {
if (s == null) return 0;
return Long.parseLong(dropSuffix("L", s));
}
static long parseLong(Object s) {
return Long.parseLong((String) s);
}
static Object nuObject(String className, Object... args) { try {
return nuObject(Class.forName(className), args);
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static Object nuObject(Object realm, String className, Object... args) {
return nuObject(_getClass(realm, className), args);
}
static A nuObject(Class c, Object... args) { try {
Constructor m = nuObject_findConstructor(c, args);
m.setAccessible(true);
return (A) m.newInstance(args);
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static Constructor nuObject_findConstructor(Class c, Object... args) {
for (Constructor m : c.getDeclaredConstructors()) {
if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
continue;
return m;
}
throw new RuntimeException("Constructor with " + args.length + " matching parameter(s) not found in " + c.getName());
}
static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
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 boolean isJavaIdentifier(String s) {
if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0)))
return false;
for (int i = 1; i < s.length(); i++)
if (!Character.isJavaIdentifierPart(s.charAt(i)))
return false;
return true;
}
static Object callFunction(Object f, Object... args) {
if (f == null) return null;
if (f instanceof Runnable) {
((Runnable) f).run();
return null;
} else if (f instanceof String)
return call(mc(), (String) f, args);
else
return call(f, "get", args);
//else throw fail("Can't call a " + getClassName(f));
}
static Class _getClass(String name) {
try {
return Class.forName(name);
} catch (ClassNotFoundException e) {
return null;
}
}
static Class _getClass(Object o) {
return o instanceof Class ? (Class) o : o.getClass();
}
static Class _getClass(Object realm, String name) { try {
return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static boolean empty(Collection c) {
return isEmpty(c);
}
static boolean empty(String s) {
return isEmpty(s);
}
static boolean empty(Map map) {
return map == null || map.isEmpty();
}
static boolean empty(Object[] o) {
return o == null || o.length == 0;
}
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);
throw fail("unknown type for 'empty': " + getType(o));
}
static Object getBot(String botID) {
return callOpt(getMainBot(), "getBot", botID);
}
// extended over Class.isInstance() to handle primitive types
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 boolean booleanValue(Object o) {
return eq(true, o);
}
static String quickSubstring(String s, int i, int j) {
if (i == j) return "";
return s.substring(i, j);
}
static String unnull(String s) {
return s == null ? "" : s;
}
static List unnull(List l) {
return l == null ? emptyList() : l;
}
static Iterable unnull(Iterable i) {
return i == null ? emptyList() : i;
}
static Object[] unnull(Object[] a) {
return a == null ? new Object[0] : a;
}
static String substring(String s, int x) {
return safeSubstring(s, x);
}
static String substring(String s, int x, int y) {
return safeSubstring(s, x, y);
}
static int min(int a, int 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 byte min(byte[] c) {
byte x = 127;
for (byte d : c) if (d < x) x = d;
return x;
}
static ArrayList litlist(A... a) {
return new ArrayList(Arrays.asList(a));
}
static int max(int a, int b) {
return Math.max(a, b);
}
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 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 byte max(byte[] c) {
byte x = -128;
for (byte d : c) if (d > x) x = d;
return x;
}
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(Map map) {
return map == null || map.isEmpty();
}
static String dropSuffix(String suffix, String s) {
return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static void smartSet(Field f, Object o, Object value) throws Exception {
f.setAccessible(true);
// take care of common case (long to int)
if (f.getType() == int.class && value instanceof Long)
value = ((Long) value).intValue();
f.set(o, value);
}
static int parseHexByte(String s) {
return Integer.parseInt(s, 16);
}
static Class getClass(String name) {
try {
return Class.forName(name);
} catch (ClassNotFoundException e) {
return null;
}
}
static Class getClass(Object o) {
return o instanceof Class ? (Class) o : o.getClass();
}
static Class getClass(Object realm, String name) { try {
return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
// hopefully covers all cases :)
static String safeSubstring(String s, int x, int y) {
if (s == null) return null;
if (x < 0) x = 0;
if (x > s.length()) return "";
if (y < x) y = x;
if (y > s.length()) y = s.length();
return s.substring(x, y);
}
static String safeSubstring(String s, int x) {
return safeSubstring(s, x, l(s));
}
static Class mc() {
return getMainClass();
}
static String classNameToVM(String name) {
return name.replace(".", "$");
}
static String getType(Object o) {
return getClassName(o);
}
static Object callOpt(Object o) {
if (o == null) return null;
return callF(o);
}
static Object callOpt(Object o, String method, Object... args) {
try {
if (o == null) return null;
if (o instanceof Class) {
Method m = callOpt_findStaticMethod((Class) o, method, args, false);
if (m == null) return null;
m.setAccessible(true);
return m.invoke(null, args);
} else {
Method m = callOpt_findMethod(o, method, args, false);
if (m == null) return null;
m.setAccessible(true);
return m.invoke(o, args);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
Class _c = c;
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (!m.getName().equals(method)) {
if (debug) System.out.println("Method name mismatch: " + method);
continue;
}
if ((m.getModifiers() & Modifier.STATIC) == 0 || !callOpt_checkArgs(m, args, debug))
continue;
return m;
}
c = c.getSuperclass();
}
return null;
}
static Method callOpt_findMethod(Object o, String method, Object[] args, boolean debug) {
Class c = o.getClass();
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (m.getName().equals(method) && callOpt_checkArgs(m, args, debug))
return m;
}
c = c.getSuperclass();
}
return null;
}
private static boolean callOpt_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 Object mainBot;
static Object getMainBot() {
return mainBot;
}
static List emptyList() {
return new ArrayList();
//ret Collections.emptyList();
}
static String getClassName(Object o) {
return o == null ? "null" : o.getClass().getName();
}
static Class getMainClass() { try {
return Class.forName("main");
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static Class getMainClass(Object o) { try {
return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static class DynamicObject {
String className; // just the name, without the "main$"
Map fieldValues = new TreeMap();
DynamicObject() {}
// className = just the name, without the "main$"
DynamicObject(String className) {
this.className = className;}
void put(String field, Object value) {
fieldValues.put(field, value);
}
Object get(String field) {
return fieldValues.get(field);
}
}
}