@Override
public final boolean eq(
final Item it, final Collation coll, final StaticContext sc, final InputInfo ii)
throws QueryException {
return it.type.isUntyped()
? coll == null
? Token.eq(string(), it.string(ii))
: coll.compare(string(), it.string(ii)) == 0
: it.eq(this, coll, sc, ii);
}
@Override
public final int diff(final Item it, final Collation coll, final InputInfo ii)
throws QueryException {
return it.type.isUntyped()
? coll == null ? Token.diff(string(), it.string(ii)) : coll.compare(string(), it.string(ii))
: -it.diff(this, coll, ii);
}
@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
final byte[] s;
if (exprs.length == 0) {
final Item it = ctxValue(qc).item(qc, info);
if (it instanceof FItem) throw FISTRING_X.get(ii, it.type);
s = it == null ? Token.EMPTY : it.string(ii);
} else {
s = toEmptyToken(arg(0, qc), qc);
}
return Int.get(Token.length(s));
}
@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
final String form = string(toToken(exprs[0], qc));
final int es = exprs.length;
final Object[] args = new Object[es - 1];
for (int e = 1; e < es; e++) {
final Item it = exprs[e].item(qc, info);
args[e - 1] = it == null ? null : it.type.isUntyped() ? string(it.string(info)) : it.toJava();
}
try {
return Str.get(String.format(form, args));
} catch (final RuntimeException ex) {
throw ERRFORMAT_X_X.get(info, Util.className(ex), ex);
}
}
/**
* Adds the specified entry to the output stream.
*
* @param entry entry descriptor
* @param con contents
* @param out output archive
* @param level default compression level
* @throws QueryException query exception
* @throws IOException I/O exception
*/
private void add(final Item entry, final Item con, final ArchiveOut out, final int level)
throws QueryException, IOException {
// create new zip entry
final String name = string(entry.string(info));
if (name.isEmpty()) ARCH_EMPTY.thrw(info);
final ZipEntry ze = new ZipEntry(name);
String en = null;
// compression level
byte[] lvl = null;
if (entry instanceof ANode) {
final ANode el = (ANode) entry;
lvl = el.attribute(Q_LEVEL);
// last modified
final byte[] mod = el.attribute(Q_LAST_MOD);
if (mod != null) {
try {
ze.setTime(new Int(new Dtm(mod, info)).itr());
} catch (final QueryException qe) {
ARCH_DATETIME.thrw(info, mod);
}
}
// encoding
final byte[] enc = el.attribute(Q_ENCODING);
if (enc != null) {
en = string(enc);
if (!Charset.isSupported(en)) ARCH_ENCODING.thrw(info, enc);
}
}
// data to be compressed
byte[] val = checkStrBin(con);
if (con instanceof AStr && en != null && en != Token.UTF8) val = encode(val, en);
try {
out.level(lvl == null ? level : toInt(lvl));
} catch (final IllegalArgumentException ex) {
ARCH_LEVEL.thrw(info, lvl);
}
out.write(ze, val);
}
/**
* Creates annotation child elements.
*
* @param anns annotations
* @param parent parent element
* @param uri include uri
* @throws QueryException query exception
*/
final void annotation(final AnnList anns, final FElem parent, final boolean uri)
throws QueryException {
for (final Ann ann : anns) {
final FElem annotation = elem("annotation", parent);
if (ann.sig != null) {
annotation.add("name", ann.sig.id());
if (uri) annotation.add("uri", ann.sig.uri);
} else {
annotation.add("name", ann.name.string());
if (uri) annotation.add("uri", ann.name.uri());
}
for (final Item it : ann.args) {
final FElem literal = elem("literal", annotation);
literal.add("type", it.type.toString()).add(it.string(null));
}
}
}
@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());
}
}
@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
final Item it = unparsedText(qc, false, false);
return it == null ? null : parse(it.string(info), false, qc, info);
}
/**
* Checks if the specified item is a string or binary item.
*
* @param it item to be checked
* @return byte array
* @throws QueryException query exception
*/
protected final byte[] toBytes(final Item it) throws QueryException {
if (checkNoEmpty(it).type.isStringOrUntyped()) return it.string(info);
if (it instanceof Bin) return ((Bin) it).binary(info);
throw STRBIN_X_X.get(info, it.type, it);
}
/**
* Checks if the specified item is a boolean. Returns the boolean or throws an exception.
*
* @param it item be checked
* @return boolean
* @throws QueryException query exception
*/
protected final boolean toBoolean(final Item it) throws QueryException {
final Type ip = checkNoEmpty(it, AtomType.BLN).type;
if (ip == AtomType.BLN) return it.bool(info);
if (ip.isUntyped()) return Bln.parse(it.string(info), info);
throw castError(it, AtomType.BLN, info);
}
/**
* Checks if the specified non-empty item is a string. Returns its value as token or throws an
* exception.
*
* @param it item to be checked
* @return token
* @throws QueryException query exception
*/
protected final byte[] toToken(final Item it) throws QueryException {
final Type ip = it.type;
if (ip.isStringOrUntyped()) return it.string(info);
throw it instanceof FItem ? FIATOM_X.get(info, it.type) : castError(it, AtomType.STR, info);
}
