示例#1
0
 @Override
 public String toString() {
   final TokenBuilder tb = new TokenBuilder().add(var.toString()).add(' ').add(ASSIGN);
   tb.add(' ').add(expr.toString());
   if (coll != null) tb.add(' ').add(COLLATION).add(" \"").add(coll.uri()).add('"');
   return tb.toString();
 }
示例#2
0
 @Override
 public String toString() {
   final TokenBuilder tb = new TokenBuilder();
   if (name == null) tb.add('*');
   else tb.add(name.string());
   if (ext != null) tb.add(',').addExt(ext);
   return tb.toString();
 }
示例#3
0
 @Override
 public String toString() {
   final int es = expr.length;
   final TokenBuilder tb = new TokenBuilder(expr[es - 1].toString()).add('(');
   for (int e = 0; e < es - 1; e++) {
     tb.add(expr[e].toString());
     if (e < es - 2) tb.add(", ");
   }
   return tb.add(')').toString();
 }
示例#4
0
  /**
   * Returns a regular expression pattern.
   *
   * @param pattern input pattern
   * @param modifier modifier item
   * @param ctx query context
   * @return pattern modifier
   * @throws QueryException query exception
   */
  private Pattern pattern(final Expr pattern, final Expr modifier, final QueryContext ctx)
      throws QueryException {

    final byte[] pat = checkStr(pattern, ctx);
    final byte[] mod = modifier != null ? checkStr(modifier, ctx) : null;
    final TokenBuilder tb = new TokenBuilder(pat);
    if (mod != null) tb.add(0).add(mod);
    final byte[] key = tb.finish();
    Pattern p = patterns.get(key);
    if (p == null) {
      p = RegExParser.parse(pat, mod, ctx.sc.xquery3(), info);
      patterns.add(key, p);
    }
    return p;
  }
示例#5
0
 /**
  * Caches and returns all unique tokens specified in a query.
  *
  * @param list token list
  * @return token set
  */
 private TokenSet unique(final TokenList list) {
   // cache all query tokens in a set (duplicates are removed)
   final TokenSet ts = new TokenSet();
   switch (mode) {
     case ALL:
     case ANY:
       for (final byte[] t : list) ts.add(t);
       break;
     case ALL_WORDS:
     case ANY_WORD:
       final FTLexer l = new FTLexer(ftt.opt);
       for (final byte[] t : list) {
         l.init(t);
         while (l.hasNext()) ts.add(l.nextToken());
       }
       break;
     case PHRASE:
       final TokenBuilder tb = new TokenBuilder();
       for (final byte[] t : list) tb.add(t).add(' ');
       ts.add(tb.trim().finish());
   }
   return ts;
 }