Ejemplo n.º 1
0
  /**
   * Returns the entries of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private Iter entries(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);

    final ValueBuilder vb = new ValueBuilder();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        final FElem e = new FElem(Q_ENTRY, NS);
        long s = ze.getSize();
        if (s != -1) e.add(Q_SIZE, token(s));
        s = ze.getTime();
        if (s != -1) e.add(Q_LAST_MOD, new Dtm(s, info).string(info));
        s = ze.getCompressedSize();
        if (s != -1) e.add(Q_COMP_SIZE, token(s));
        e.add(ze.getName());
        vb.add(e);
      }
      return vb;
    } catch (final IOException ex) {
      Util.debug(ex);
      throw ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
  }
Ejemplo n.º 2
0
  /**
   * Returns the options of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private FElem options(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    String format = null;
    int level = -1;

    final ArchiveIn arch = ArchiveIn.get(archive.input(info), info);
    try {
      format = arch.format();
      while (arch.more()) {
        final ZipEntry ze = arch.entry();
        if (ze.isDirectory()) continue;
        level = ze.getMethod();
        break;
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      arch.close();
    }

    // create result element
    final FElem e = new FElem(Q_OPTIONS, NS);
    if (format != null) e.add(new FElem(Q_FORMAT).add(Q_VALUE, format));
    if (level >= 0) {
      final byte[] lvl = level == 8 ? DEFLATE : level == 0 ? STORED : UNKNOWN;
      e.add(new FElem(Q_ALGORITHM).add(Q_VALUE, lvl));
    }
    return e;
  }
Ejemplo n.º 3
0
  /**
   * Processes a match.
   *
   * @param m matcher
   * @param str string
   * @param par parent
   * @param g group number
   * @return next group number and position in string
   */
  private static int[] match(final Matcher m, final String str, final FElem par, final int g) {

    final FElem nd = new FElem(g == 0 ? Q_MATCH : Q_MGROUP, new Atts(FN, FNURI));
    if (g > 0) nd.add(Q_NR, token(g));

    final int start = m.start(g), end = m.end(g), gc = m.groupCount();
    int[] pos = {g + 1, start}; // group and position in string
    while (pos[0] <= gc && m.end(pos[0]) <= end) {
      final int st = m.start(pos[0]);
      if (st >= 0) { // group matched
        if (pos[1] < st) nd.add(str.substring(pos[1], st));
        pos = match(m, str, nd, pos[0]);
      } else pos[0]++; // skip it
    }
    if (pos[1] < end) {
      nd.add(str.substring(pos[1], end));
      pos[1] = end;
    }
    par.add(nd);
    return pos;
  }
Ejemplo n.º 4
0
 /**
  * Processes a non-match.
  *
  * @param text text
  * @param par root node
  */
 private static void nonmatch(final String text, final FElem par) {
   par.add(new FElem(Q_NONMATCH, new Atts(FN, FNURI)).add(text));
 }