@Override
public Value value(final QueryContext qc) throws QueryException {
final ArrayList<User> users = qc.context.users.users(null, qc.context);
final TokenList tl = new TokenList(users.size());
for (final User user : users) tl.add(user.name());
return StrSeq.get(tl);
}
@Override
public Iter iter(final QueryContext qc) throws QueryException {
final int el = exprs.length;
if (el == 0) {
final TokenList tl = new TokenList();
for (final String s : qc.context.databases.listDBs()) tl.add(s);
return StrSeq.get(tl).iter();
}
final Data data = checkData(qc);
final String path = string(exprs.length == 1 ? Token.EMPTY : toToken(exprs[1], qc));
final IntList il = data.resources.docs(path);
final TokenList tl = data.resources.binaries(path);
return new Iter() {
final int is = il.size(), ts = tl.size();
int ip, tp;
@Override
public Str get(final long i) {
return i < is
? Str.get(data.text(il.get((int) i), true))
: i < is + ts ? Str.get(tl.get((int) i - is)) : null;
}
@Override
public Str next() {
return ip < is ? get(ip++) : tp < ts ? get(ip + tp++) : null;
}
@Override
public long size() {
return is + ts;
}
};
}
/**
* Evaluates the tokenize function.
*
* @param ctx query context
* @return function result
* @throws QueryException query exception
*/
private Value tokenize(final QueryContext ctx) throws QueryException {
final byte[] val = checkEStr(expr[0], ctx);
final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
if (p.matcher("").matches()) REGROUP.thrw(info);
final TokenList tl = new TokenList();
final String str = string(val);
if (!str.isEmpty()) {
final Matcher m = p.matcher(str);
int s = 0;
while (m.find()) {
tl.add(str.substring(s, m.start()));
s = m.end();
}
tl.add(str.substring(s, str.length()));
}
return StrSeq.get(tl);
}
@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());
}
}
/**
* Creates a container for the specified string.
*
* @param strings string
* @return iterator
*/
protected static Value strings(final String... strings) {
final TokenList tl = new TokenList(strings.length);
for (final String s : strings) tl.add(s);
return StrSeq.get(tl.finish());
}
