Ejemplo n.º 1
0
  /**
   * Scans an external ID.
   *
   * @param f full flag
   * @param r root flag
   * @return id
   * @throws IOException I/O exception
   */
  private byte[] externalID(final boolean f, final boolean r) throws IOException {
    byte[] cont = null;
    final boolean pub = consume(PUBLIC);
    if (pub || consume(SYSTEM)) {
      checkS();
      if (pub) {
        pubidLit();
        if (f) checkS();
      }
      final int qu = consume(); // [11]
      if (qu == '\'' || qu == '"') {
        int ch;
        final TokenBuilder tok = new TokenBuilder();
        while ((ch = nextChar()) != qu) tok.add(ch);
        if (!f) return null;
        final String name = string(tok.finish());
        if (!dtd && r) return cont;

        final XMLInput tin = input;
        try {
          final IO file = input.io().merge(name);
          cont = file.read();
        } catch (final IOException ex) {
          Util.debug(ex);
          // skip unknown DTDs/entities
          cont = new byte[] {'?'};
        }
        input = new XMLInput(new IOContent(cont, name));

        if (consume(XDECL)) {
          check(XML);
          s();
          if (version()) checkS();
          s();
          if (encoding() == null) error(TEXTENC);
          ch = nextChar();
          if (s(ch)) ch = nextChar();
          if (ch != '?') error(WRONGCHAR, '?', ch);
          ch = nextChar();
          if (ch != '>') error(WRONGCHAR, '>', ch);
          cont = Arrays.copyOfRange(cont, input.pos(), cont.length);
        }

        s();
        if (r) {
          extSubsetDecl();
          if (!consume((char) 0)) error(INVEND);
        }
        input = tin;
      } else {
        if (f) error(SCANQUOTE, (char) qu);
        prev(1);
      }
    }
    return cont;
  }
Ejemplo n.º 2
0
 /**
  * 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);
   }
 }