Method doc

basex-core/src/main/java/org/basex/query/func/fn/ParseFn.java:96–130

Reads the source and invokes #parse(TextInput, Options, QueryContext). @param qc query context @return parsed result @throws QueryException query exception

(final QueryContext qc)

   * @throws QueryException query exception
   */
  protected Value doc(final QueryContext qc) throws QueryException {
    final String source = toStringOrNull(arg(0), qc);
    if(source == null) return Empty.VALUE;

    // input
    final String[] testResources = qc.resources.text(source, sc());
    final IO io = testResources != null ? IO.get(testResources[0]) :
      input != null ? input : toIO(source, false);

    // encoding
    final Options options = options(qc);
    final String enc = toEncodingOrNull(options.get(CommonOptions.ENCODING), RESENCODING_X);
    final String encoding = enc != null ? enc : testResources != null ? testResources[1] : null;
    final boolean fallback = Boolean.TRUE.equals(options.get((Option<?>) CommonOptions.FALLBACK));

    // newline normalization
    Boolean normalize = options.get(CommonOptions.NORMALIZE_NEWLINES);
    if(normalize != null) {
      if(nl()) throw INVALIDOPTION_X.get(info, Options.unknown(CommonOptions.NORMALIZE_NEWLINES));
    } else {
      normalize = nl();
    }

    // parse text
    try(InputStream is = io.inputStream(); TextInput ti =
        normalize ? new NewlineInput(io, encoding) : new TextInput(io, encoding)) {
      return parse(ti.fallback(fallback), options, qc);
    } catch(final DecodingException ex) {
      throw RECDECODING_X.get(info, ex);
    } catch(final InputException ex) {
      throw exception(ex);
    } catch(final IOException ex) {
      throw RESWHICH_X.get(info, io + " (" + Util.info(ex) + ')');
    }
  }

  /**
   * Parses the input and returns a custom result.