1 /*
   2  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Nov 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;
  23 

  47  * This class is responsible for scanning the declarations found
  48  * in the internal and external subsets of a DTD in an XML document.
  49  * The scanner acts as the sources for the DTD information which is
  50  * communicated to the DTD handlers.
  51  * <p>
  52  * This component requires the following features and properties from the
  53  * component manager that uses it:
  54  * <ul>
  55  *  <li>http://xml.org/sax/features/validation</li>
  56  *  <li>http://apache.org/xml/features/scanner/notify-char-refs</li>
  57  *  <li>http://apache.org/xml/properties/internal/symbol-table</li>
  58  *  <li>http://apache.org/xml/properties/internal/error-reporter</li>
  59  *  <li>http://apache.org/xml/properties/internal/entity-manager</li>
  60  * </ul>
  61  *
  62  * @author Arnaud  Le Hors, IBM
  63  * @author Andy Clark, IBM
  64  * @author Glenn Marcy, IBM
  65  * @author Eric Ye, IBM
  66  *

  67  */
  68 public class XMLDTDScannerImpl
  69 extends XMLScanner
  70 implements XMLDTDScanner, XMLComponent, XMLEntityHandler {
  71 
  72     //
  73     // Constants
  74     //
  75 
  76     // scanner states
  77 
  78     /** Scanner state: end of input. */
  79     protected static final int SCANNER_STATE_END_OF_INPUT = 0;
  80 
  81     /** Scanner state: text declaration. */
  82     protected static final int SCANNER_STATE_TEXT_DECL = 1;
  83 
  84     /** Scanner state: markup declaration. */
  85     protected static final int SCANNER_STATE_MARKUP_DECL = 2;
  86 

   1 /*
   2  * Copyright (c) 2003, 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;
  22 

  46  * This class is responsible for scanning the declarations found
  47  * in the internal and external subsets of a DTD in an XML document.
  48  * The scanner acts as the sources for the DTD information which is
  49  * communicated to the DTD handlers.
  50  * <p>
  51  * This component requires the following features and properties from the
  52  * component manager that uses it:
  53  * <ul>
  54  *  <li>http://xml.org/sax/features/validation</li>
  55  *  <li>http://apache.org/xml/features/scanner/notify-char-refs</li>
  56  *  <li>http://apache.org/xml/properties/internal/symbol-table</li>
  57  *  <li>http://apache.org/xml/properties/internal/error-reporter</li>
  58  *  <li>http://apache.org/xml/properties/internal/entity-manager</li>
  59  * </ul>
  60  *
  61  * @author Arnaud  Le Hors, IBM
  62  * @author Andy Clark, IBM
  63  * @author Glenn Marcy, IBM
  64  * @author Eric Ye, IBM
  65  *
  66  * @LastModified: Nov 2017
  67  */
  68 public class XMLDTDScannerImpl
  69 extends XMLScanner
  70 implements XMLDTDScanner, XMLComponent, XMLEntityHandler {
  71 
  72     //
  73     // Constants
  74     //
  75 
  76     // scanner states
  77 
  78     /** Scanner state: end of input. */
  79     protected static final int SCANNER_STATE_END_OF_INPUT = 0;
  80 
  81     /** Scanner state: text declaration. */
  82     protected static final int SCANNER_STATE_TEXT_DECL = 1;
  83 
  84     /** Scanner state: markup declaration. */
  85     protected static final int SCANNER_STATE_MARKUP_DECL = 2;
  86