/**
* Returns a formatted number.
*
* @param info input info
* @param number number to be formatted
* @param picture picture
* @return string representation
* @throws QueryException query exception
*/
public byte[] format(final InputInfo info, final ANum number, final byte[] picture)
throws QueryException {
// find pattern separator and sub-patterns
final TokenList tl = new TokenList();
byte[] pic = picture;
// "A picture-string consists either of a sub-picture, or of two sub-pictures separated by
// a pattern-separator-sign"
final int i = indexOf(pic, pattern);
if (i == -1) {
tl.add(pic);
} else {
tl.add(substring(pic, 0, i));
pic = substring(pic, i + cl(pic, i));
// "A picture-string must not contain more than one pattern-separator-sign"
if (contains(pic, pattern)) throw PICNUM_X.get(info, picture);
tl.add(pic);
}
final byte[][] patterns = tl.finish();
// check and analyze patterns
if (!checkSyntax(patterns)) throw PICNUM_X.get(info, picture);
final Picture[] pics = analyze(patterns);
// return formatted string
return format(number, pics, info);
}
@Override
public B64 item(final QueryContext qc, final InputInfo ii) throws QueryException {
checkCreate(qc);
final IOFile root = new IOFile(toPath(0, qc).toString());
final ArchOptions opts = toOptions(1, Q_OPTIONS, new ArchOptions(), qc);
final Iter entries;
if (exprs.length > 2) {
entries = qc.iter(exprs[2]);
} else {
final TokenList tl = new TokenList();
for (final String file : root.descendants()) tl.add(file);
entries = StrSeq.get(tl).iter();
}
final String format = opts.get(ArchOptions.FORMAT);
final int level = level(opts);
if (!root.isDir()) throw FILE_NO_DIR_X.get(info, root);
try (final ArchiveOut out = ArchiveOut.get(format.toLowerCase(Locale.ENGLISH), info)) {
out.level(level);
try {
while (true) {
Item en = entries.next();
if (en == null) break;
en = checkElemToken(en);
final IOFile file = new IOFile(root, string(en.string(info)));
if (!file.exists()) throw FILE_NOT_FOUND_X.get(info, file);
if (file.isDir()) throw FILE_IS_DIR_X.get(info, file);
add(en, new B64(file.read()), out, level, qc);
}
} catch (final IOException ex) {
throw ARCH_FAIL_X.get(info, ex);
}
return new B64(out.finish());
}
}