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: 1.6.2.2 $
21: */package java.util.regex;
22:
23: /**
24: * Node accepting any character including line terminators.
25: *
26: * @author Nikolay A. Kuznetsov
27: * @version $Revision: 1.6.2.2 $
28: */
29: class DotAllSet extends JointSet {
30:
31: public int matches(int stringIndex, CharSequence testString,
32: MatchResultImpl matchResult) {
33: int strLength = matchResult.getRightBound();
34:
35: if (stringIndex + 1 > strLength) {
36: matchResult.hitEnd = true;
37: return -1;
38: }
39:
40: char high = testString.charAt(stringIndex);
41:
42: if (Character.isHighSurrogate(high)
43: && (stringIndex + 2 <= strLength)) {
44: char low = testString.charAt(stringIndex + 1);
45:
46: if (Character.isSurrogatePair(high, low)) {
47: return next.matches(stringIndex + 2, testString,
48: matchResult);
49: }
50: }
51: return next.matches(stringIndex + 1, testString, matchResult);
52: }
53:
54: protected String getName() {
55: return "DotAll"; //$NON-NLS-1$
56: }
57:
58: public AbstractSet getNext() {
59: return this .next;
60: }
61:
62: public void setNext(AbstractSet next) {
63: this .next = next;
64: }
65:
66: public int getType() {
67: return AbstractSet.TYPE_DOTSET;
68: }
69:
70: public boolean hasConsumed(MatchResultImpl matchResult) {
71: return true;
72: }
73: }
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