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1 /* Copyright 2004 The Apache Software Foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 package org.apache.xmlbeans.impl.regex;
17
18 import org.apache.xmlbeans.impl.common.XMLChar;
19
20 import java.util.HashMap;
21 import java.util.Map;
22
23 public class SchemaRegularExpression extends RegularExpression
24 {
25 private SchemaRegularExpression(String pattern)
26 {
27 super(pattern, "X");
28 }
29
30 public static RegularExpression forPattern(String s)
31 {
32 SchemaRegularExpression tre = (SchemaRegularExpression)knownPatterns.get(s);
33 if (tre != null)
34 return tre;
35 return new RegularExpression(s, "X");
36 }
37
38 static final Map knownPatterns = buildKnownPatternMap();
39
40 private static Map buildKnownPatternMap()
41 {
42 Map result = new HashMap();
43 result.put("\\c+", new SchemaRegularExpression("\\c+")
44 { public boolean matches(String s) { return XMLChar.isValidNmtoken(s); } } );
45 result.put("\\i\\c*", new SchemaRegularExpression("\\i\\c*")
46 { public boolean matches(String s) { return XMLChar.isValidName(s); } } );
47 result.put("[\\i-[:]][\\c-[:]]*", new SchemaRegularExpression("[\\i-[:]][\\c-[:]]*")
48 { public boolean matches(String s) { return XMLChar.isValidNCName(s); } } );
49 return result;
50 }
51 }