01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: /**
19: * @author Nikolay A. Kuznetsov
20: * @version $Revision: 1.4.2.2 $
21: */package java.util.regex;
22:
23: import java.util.ArrayList;
24:
25: /**
26: * Node representing non-capturing group
27: * @author Nikolay A. Kuznetsov
28: * @version $Revision: 1.4.2.2 $
29: */
30: class NonCapJointSet extends JointSet {
31:
32: protected NonCapJointSet() {
33: }
34:
35: public NonCapJointSet(ArrayList children, FSet fSet) {
36: super (children, fSet);
37: }
38:
39: /**
40: * Returns stringIndex+shift, the next position to match
41: */
42: public int matches(int stringIndex, CharSequence testString,
43: MatchResultImpl matchResult) {
44: int start = matchResult.getConsumed(groupIndex);
45: matchResult.setConsumed(groupIndex, stringIndex);
46:
47: int size = children.size();
48: for (int i = 0; i < size; i++) {
49: AbstractSet e = (AbstractSet) children.get(i);
50: int shift = e.matches(stringIndex, testString, matchResult);
51: if (shift >= 0) {
52: return shift;
53: }
54: }
55: matchResult.setConsumed(groupIndex, start);
56: return -1;
57: }
58:
59: protected String getName() {
60: return "NonCapJointSet"; //$NON-NLS-1$
61: }
62:
63: public boolean hasConsumed(MatchResultImpl matchResult) {
64: int cons = matchResult.getConsumed(groupIndex);
65: return cons != 0;
66: }
67: }
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