Exemple #1
0
 /**
  * Performs the test-libraries function (still experimental).
  *
  * @param ctx query context
  * @return resulting value
  * @throws QueryException query exception
  */
 private Item testLibraries(final QueryContext ctx) throws QueryException {
   checkCreate(ctx);
   final TokenList tl = new TokenList();
   final Iter ir = ctx.iter(expr[0]);
   for (Item it; (it = ir.next()) != null; ) tl.add(checkStr(it));
   return new Suite(ctx, info).test(tl);
 }
Exemple #2
0
  /**
   * Returns a formatted number.
   *
   * @param info input info
   * @param number number to be formatted
   * @param picture picture
   * @return string representation
   * @throws QueryException query exception
   */
  public byte[] format(final InputInfo info, final ANum number, final byte[] picture)
      throws QueryException {

    // find pattern separator and sub-patterns
    final TokenList tl = new TokenList();
    byte[] pic = picture;
    // "A picture-string consists either of a sub-picture, or of two sub-pictures separated by
    // a pattern-separator-sign"
    final int i = indexOf(pic, pattern);
    if (i == -1) {
      tl.add(pic);
    } else {
      tl.add(substring(pic, 0, i));
      pic = substring(pic, i + cl(pic, i));
      // "A picture-string must not contain more than one pattern-separator-sign"
      if (contains(pic, pattern)) throw PICNUM_X.get(info, picture);
      tl.add(pic);
    }
    final byte[][] patterns = tl.finish();

    // check and analyze patterns
    if (!checkSyntax(patterns)) throw PICNUM_X.get(info, picture);
    final Picture[] pics = analyze(patterns);

    // return formatted string
    return format(number, pics, info);
  }
Exemple #3
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  /**
   * Extracts entries from the archive.
   *
   * @param ctx query context
   * @return text entries
   * @throws QueryException query exception
   */
  private TokenList extract(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    TokenSet hs = null;
    if (expr.length > 1) {
      // filter result to specified entries
      hs = new TokenSet();
      final Iter names = ctx.iter(expr[1]);
      for (Item en; (en = names.next()) != null; ) {
        hs.add(checkElmStr(en).string(info));
      }
    }

    final TokenList tl = new TokenList();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        if (hs == null || hs.delete(token(ze.getName())) != 0) tl.add(in.read());
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
    return tl;
  }
Exemple #4
0
 /**
  * Returns all tokens of the query.
  *
  * @param qc query context
  * @return token list
  * @throws QueryException query exception
  */
 private TokenList tokens(final QueryContext qc) throws QueryException {
   final TokenList tl = new TokenList();
   final Iter ir = qc.iter(query);
   for (byte[] qu; (qu = nextToken(ir)) != null; ) {
     // skip empty tokens if not all results are needed
     if (qu.length != 0 || mode == FTMode.ALL || mode == FTMode.ALL_WORDS) tl.add(qu);
   }
   return tl;
 }
Exemple #5
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  /**
   * Evaluates the tokenize function.
   *
   * @param ctx query context
   * @return function result
   * @throws QueryException query exception
   */
  private Value tokenize(final QueryContext ctx) throws QueryException {
    final byte[] val = checkEStr(expr[0], ctx);
    final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
    if (p.matcher("").matches()) REGROUP.thrw(info);

    final TokenList tl = new TokenList();
    final String str = string(val);
    if (!str.isEmpty()) {
      final Matcher m = p.matcher(str);
      int s = 0;
      while (m.find()) {
        tl.add(str.substring(s, m.start()));
        s = m.end();
      }
      tl.add(str.substring(s, str.length()));
    }
    return StrSeq.get(tl);
  }