/**
* Parses a module.
*
* @param io input reference
* @return query parser
* @throws QueryException query exception
*/
final QueryParser parseQuery(final IO io) throws QueryException {
try (final QueryContext qctx = new QueryContext(qc)) {
final String input = string(io.read());
// parse query
final QueryParser qp = new QueryParser(input, io.path(), qctx, null);
module = QueryProcessor.isLibrary(input) ? qp.parseLibrary(true) : qp.parseMain();
return qp;
} catch (final IOException | QueryException ex) {
throw IOERR_X.get(info, ex);
}
}
/**
* Parses and returns an xquery expression.
*
* @param cmd referring command; if specified, the result must not be empty
* @return path
* @throws QueryException query exception
*/
private String xquery(final Cmd cmd) throws QueryException {
consumeWS();
final StringBuilder sb = new StringBuilder();
if (!eoc()) {
final QueryContext qc = new QueryContext(ctx);
try {
final QueryParser p = new QueryParser(parser.input, null, qc, null);
p.pos = parser.pos;
p.parseMain();
sb.append(parser.input.substring(parser.pos, p.pos));
parser.pos = p.pos;
} finally {
qc.close();
}
}
return finish(sb, cmd);
}