!7

cmodule FluidTextFileSpike > DynPrintLog {
  srecord Entry(S header, S text, SS params) {}

  transient S demoContent = autoUnindent_mls([=[
    refs="at *", name="index" [[
      entry 1 at abc
      entry 2 at def
    ]]
    i=abc [[hello]]
    i=def [[world]]
  ]=]);

  start-thread {
    print(demoContent);
    Producer<S> p = javaTok_onReader(stringReader(demoContent));
    new StringBuilder buf;
    new L<Entry> entries;
    S t;
    p.next(); // skip initial white space
    while ((t = p.next()) != null) {
      if (isMLS(t)) {
        S header = getAndClearStringBuilder(buf);
        entries.add(new Entry(header, t, parseEqualsCommaProperties(header)));
        p.next(); // skip white space
      } else
        buf.append(t); // part of entry header
    }
    pnlStruct(entries);

    long idx = 0; // index into file
    for (Entry e : entries) {
      SS params = litorderedmap(
        i := longToHex_flexLength(idx),
        l := intToHex_flexLength(l(e.text)));
      mapPutAll_noOverwrite(params, e.params);
      S line = renderEqualsCommaProperties(params) + " " + e.text;
      print(line);
      idx += lUtf8(line)+1;
    }
  }
}