1 /*
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
3 * @LastModified: Oct 2017
4 */
5 /*
6 * Licensed to the Apache Software Foundation (ASF) under one or more
7 * contributor license agreements. See the NOTICE file distributed with
8 * this work for additional information regarding copyright ownership.
9 * The ASF licenses this file to You under the Apache License, Version 2.0
10 * (the "License"); you may not use this file except in compliance with
11 * the License. You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 */
21
22 package com.sun.org.apache.xerces.internal.impl.dtd;
23
46 import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDContentModelSource;
47 import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDSource;
48 import java.util.ArrayList;
49 import java.util.HashMap;
50 import java.util.List;
51 import java.util.Map;
52 import java.util.Random;
53
54 /**
55 * A DTD grammar. This class implements the XNI handler interfaces
56 * for DTD information so that it can build the appropriate validation
57 * structures automatically from the callbacks.
58 *
59 * @xerces.internal
60 *
61 * @author Eric Ye, IBM
62 * @author Jeffrey Rodriguez, IBM
63 * @author Andy Clark, IBM
64 * @author Neil Graham, IBM
65 *
66 */
67 public class DTDGrammar
68 implements XMLDTDHandler, XMLDTDContentModelHandler, EntityState, Grammar {
69
70 //
71 // Constants
72 //
73
74 /** Top level scope (-1). */
75 public static final int TOP_LEVEL_SCOPE = -1;
76
77 // private
78
79 /** Chunk shift (8). */
80 private static final int CHUNK_SHIFT = 8; // 2^8 = 256
81
82 /** Chunk size (1 << CHUNK_SHIFT). */
83 private static final int CHUNK_SIZE = (1 << CHUNK_SHIFT);
84
85 /** Chunk mask (CHUNK_SIZE - 1). */
|
1 /*
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
3 */
4 /*
5 * Licensed to the Apache Software Foundation (ASF) under one or more
6 * contributor license agreements. See the NOTICE file distributed with
7 * this work for additional information regarding copyright ownership.
8 * The ASF licenses this file to You under the Apache License, Version 2.0
9 * (the "License"); you may not use this file except in compliance with
10 * the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 package com.sun.org.apache.xerces.internal.impl.dtd;
22
45 import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDContentModelSource;
46 import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDSource;
47 import java.util.ArrayList;
48 import java.util.HashMap;
49 import java.util.List;
50 import java.util.Map;
51 import java.util.Random;
52
53 /**
54 * A DTD grammar. This class implements the XNI handler interfaces
55 * for DTD information so that it can build the appropriate validation
56 * structures automatically from the callbacks.
57 *
58 * @xerces.internal
59 *
60 * @author Eric Ye, IBM
61 * @author Jeffrey Rodriguez, IBM
62 * @author Andy Clark, IBM
63 * @author Neil Graham, IBM
64 *
65 * @LastModified: Oct 2017
66 */
67 public class DTDGrammar
68 implements XMLDTDHandler, XMLDTDContentModelHandler, EntityState, Grammar {
69
70 //
71 // Constants
72 //
73
74 /** Top level scope (-1). */
75 public static final int TOP_LEVEL_SCOPE = -1;
76
77 // private
78
79 /** Chunk shift (8). */
80 private static final int CHUNK_SHIFT = 8; // 2^8 = 256
81
82 /** Chunk size (1 << CHUNK_SHIFT). */
83 private static final int CHUNK_SIZE = (1 << CHUNK_SHIFT);
84
85 /** Chunk mask (CHUNK_SIZE - 1). */
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