@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 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 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
Expr opt(final QueryContext ctx, final VarScope scp) throws QueryException {
if (sig == Function._UNIT_TEST_URIS || sig == Function._UNIT_TEST && expr.length == 0) {
for (final StaticFunc fn : ctx.funcs.funcs()) {
if (fn.compiled()) continue;
final Ann ann = fn.ann;
for (int i = ann.size(); --i >= 0; ) {
if (Token.eq(ann.names[i].uri(), QueryText.UNITURI)) {
fn.compile(ctx);
break;
}
}
}
}
return super.opt(ctx, scp);
}
@Override
public final int diff(final Item it, final Collation coll, final InputInfo ii)
throws QueryException {
return Token.diff(
binary(ii), it instanceof Bin ? ((Bin) it).binary(ii) : decode(it.string(ii), ii));
}