author | joehw |
Wed, 11 Jun 2014 09:26:03 -0700 | |
changeset 24887 | 47b6d4800c64 |
parent 22418 | 1ee8fd0184d1 |
child 25264 | 040625ce9b72 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
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*/ |
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/* |
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* Copyright 2005 The Apache Software Foundation. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.sun.org.apache.xerces.internal.impl; |
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import com.sun.xml.internal.stream.dtd.nonvalidating.DTDGrammar; |
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import java.io.EOFException; |
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import java.io.IOException; |
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import com.sun.org.apache.xerces.internal.impl.msg.XMLMessageFormatter; |
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import com.sun.org.apache.xerces.internal.util.SymbolTable; |
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import com.sun.org.apache.xerces.internal.util.XMLAttributesImpl; |
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import com.sun.org.apache.xerces.internal.util.XMLChar; |
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import com.sun.org.apache.xerces.internal.util.XMLStringBuffer; |
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import com.sun.org.apache.xerces.internal.xni.XMLDTDContentModelHandler; |
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import com.sun.org.apache.xerces.internal.xni.XMLDTDHandler; |
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import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier; |
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import com.sun.org.apache.xerces.internal.xni.XMLString; |
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import com.sun.org.apache.xerces.internal.xni.XNIException; |
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import com.sun.org.apache.xerces.internal.xni.parser.XMLComponent; |
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import com.sun.org.apache.xerces.internal.xni.parser.XMLComponentManager; |
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import com.sun.org.apache.xerces.internal.xni.parser.XMLConfigurationException; |
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import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDScanner; |
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import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource; |
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import com.sun.org.apache.xerces.internal.xni.Augmentations; |
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import com.sun.org.apache.xerces.internal.impl.XMLErrorReporter; |
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import com.sun.org.apache.xerces.internal.impl.XMLEntityHandler; |
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import com.sun.org.apache.xerces.internal.impl.Constants; |
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import com.sun.org.apache.xerces.internal.utils.XMLLimitAnalyzer; |
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import com.sun.org.apache.xerces.internal.utils.XMLSecurityManager; |
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import com.sun.xml.internal.stream.Entity; |
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/** |
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* This class is responsible for scanning the declarations found |
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* in the internal and external subsets of a DTD in an XML document. |
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* The scanner acts as the sources for the DTD information which is |
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* communicated to the DTD handlers. |
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* <p> |
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* This component requires the following features and properties from the |
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* component manager that uses it: |
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* <ul> |
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* <li>http://xml.org/sax/features/validation</li> |
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* <li>http://apache.org/xml/features/scanner/notify-char-refs</li> |
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* <li>http://apache.org/xml/properties/internal/symbol-table</li> |
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* <li>http://apache.org/xml/properties/internal/error-reporter</li> |
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* <li>http://apache.org/xml/properties/internal/entity-manager</li> |
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* </ul> |
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* |
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* @author Arnaud Le Hors, IBM |
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* @author Andy Clark, IBM |
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* @author Glenn Marcy, IBM |
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* @author Eric Ye, IBM |
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* |
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* @version $Id: XMLDTDScannerImpl.java,v 1.8 2010-11-01 04:39:41 joehw Exp $ |
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*/ |
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public class XMLDTDScannerImpl |
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extends XMLScanner |
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implements XMLDTDScanner, XMLComponent, XMLEntityHandler { |
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// |
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// Constants |
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// |
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// scanner states |
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/** Scanner state: end of input. */ |
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protected static final int SCANNER_STATE_END_OF_INPUT = 0; |
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/** Scanner state: text declaration. */ |
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protected static final int SCANNER_STATE_TEXT_DECL = 1; |
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/** Scanner state: markup declaration. */ |
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protected static final int SCANNER_STATE_MARKUP_DECL = 2; |
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// recognized features and properties |
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/** Recognized features. */ |
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private static final String[] RECOGNIZED_FEATURES = { |
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VALIDATION, |
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NOTIFY_CHAR_REFS, |
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}; |
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/** Feature defaults. */ |
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private static final Boolean[] FEATURE_DEFAULTS = { |
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null, |
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Boolean.FALSE, |
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}; |
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/** Recognized properties. */ |
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private static final String[] RECOGNIZED_PROPERTIES = { |
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SYMBOL_TABLE, |
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ERROR_REPORTER, |
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ENTITY_MANAGER, |
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}; |
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/** Property defaults. */ |
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private static final Object[] PROPERTY_DEFAULTS = { |
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null, |
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null, |
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null, |
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}; |
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// debugging |
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/** Debug scanner state. */ |
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private static final boolean DEBUG_SCANNER_STATE = false; |
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// |
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// Data |
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// |
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// handlers |
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/** DTD handler. */ |
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public XMLDTDHandler fDTDHandler = null; |
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/** DTD content model handler. */ |
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protected XMLDTDContentModelHandler fDTDContentModelHandler; |
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// state |
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/** Scanner state. */ |
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protected int fScannerState; |
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/** Standalone. */ |
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protected boolean fStandalone; |
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/** Seen external DTD. */ |
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protected boolean fSeenExternalDTD; |
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/** Seen external parameter entity. */ |
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protected boolean fSeenExternalPE; |
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// private data |
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/** Start DTD called. */ |
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private boolean fStartDTDCalled; |
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/** Default attribute */ |
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private XMLAttributesImpl fAttributes = new XMLAttributesImpl(); |
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/** |
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* Stack of content operators (either '|' or ',') in children |
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* content. |
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*/ |
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private int[] fContentStack = new int[5]; |
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/** Size of content stack. */ |
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private int fContentDepth; |
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/** Parameter entity stack to check well-formedness. */ |
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private int[] fPEStack = new int[5]; |
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/** Parameter entity stack to report start/end entity calls. */ |
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private boolean[] fPEReport = new boolean[5]; |
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/** Number of opened parameter entities. */ |
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private int fPEDepth; |
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/** Markup depth. */ |
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private int fMarkUpDepth; |
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/** Number of opened external entities. */ |
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private int fExtEntityDepth; |
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/** Number of opened include sections. */ |
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private int fIncludeSectDepth; |
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// temporary variables |
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/** Array of 3 strings. */ |
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private String[] fStrings = new String[3]; |
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/** String. */ |
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private XMLString fString = new XMLString(); |
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/** String buffer. */ |
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private XMLStringBuffer fStringBuffer = new XMLStringBuffer(); |
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/** String buffer. */ |
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private XMLStringBuffer fStringBuffer2 = new XMLStringBuffer(); |
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/** Literal text. */ |
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private XMLString fLiteral = new XMLString(); |
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/** Literal text. */ |
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private XMLString fLiteral2 = new XMLString(); |
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/** Enumeration values. */ |
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private String[] fEnumeration = new String[5]; |
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/** Enumeration values count. */ |
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private int fEnumerationCount; |
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/** Ignore conditional section buffer. */ |
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private XMLStringBuffer fIgnoreConditionalBuffer = new XMLStringBuffer(128); |
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/** Object contains grammar information for a non-validaing parser. */ |
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DTDGrammar nvGrammarInfo = null; |
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boolean nonValidatingMode = false; |
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// |
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// Constructors |
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// |
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/** Default constructor. */ |
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public XMLDTDScannerImpl() { |
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} // <init>() |
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/** Constructor for he use of non-XMLComponentManagers. */ |
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public XMLDTDScannerImpl(SymbolTable symbolTable, |
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XMLErrorReporter errorReporter, XMLEntityManager entityManager) { |
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fSymbolTable = symbolTable; |
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fErrorReporter = errorReporter; |
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fEntityManager = entityManager; |
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entityManager.setProperty(SYMBOL_TABLE, fSymbolTable); |
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} |
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// |
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// XMLDTDScanner methods |
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// |
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/** |
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* Sets the input source. |
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* |
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* @param inputSource The input source or null. |
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* |
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* @throws IOException Thrown on i/o error. |
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*/ |
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public void setInputSource(XMLInputSource inputSource) throws IOException { |
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if (inputSource == null) { |
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// no system id was available |
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if (fDTDHandler != null) { |
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fDTDHandler.startDTD(null, null); |
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fDTDHandler.endDTD(null); |
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} |
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if (nonValidatingMode){ |
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nvGrammarInfo.startDTD(null,null); |
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nvGrammarInfo.endDTD(null); |
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} |
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return; |
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} |
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fEntityManager.setEntityHandler(this); |
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fEntityManager.startDTDEntity(inputSource); |
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} // setInputSource(XMLInputSource) |
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public void setLimitAnalyzer(XMLLimitAnalyzer limitAnalyzer) { |
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fLimitAnalyzer = limitAnalyzer; |
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} |
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/** |
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* Scans the external subset of the document. |
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* |
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* @param complete True if the scanner should scan the document |
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* completely, pushing all events to the registered |
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* document handler. A value of false indicates that |
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* that the scanner should only scan the next portion |
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* of the document and return. A scanner instance is |
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* permitted to completely scan a document if it does |
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* not support this "pull" scanning model. |
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* |
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* @return True if there is more to scan, false otherwise. |
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*/ |
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public boolean scanDTDExternalSubset(boolean complete) |
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throws IOException, XNIException { |
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fEntityManager.setEntityHandler(this); |
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if (fScannerState == SCANNER_STATE_TEXT_DECL) { |
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fSeenExternalDTD = true; |
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boolean textDecl = scanTextDecl(); |
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if (fScannerState == SCANNER_STATE_END_OF_INPUT) { |
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return false; |
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} |
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else { |
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// next state is markup decls regardless of whether there |
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// is a TextDecl or not |
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setScannerState(SCANNER_STATE_MARKUP_DECL); |
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if (textDecl && !complete) { |
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return true; |
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} |
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} |
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} |
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// keep dispatching "events" |
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do { |
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if (!scanDecls(complete)) { |
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return false; |
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} |
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} while (complete); |
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// return that there is more to scan |
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return true; |
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} // scanDTDExternalSubset(boolean):boolean |
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/** |
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* Scans the internal subset of the document. |
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* |
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* @param complete True if the scanner should scan the document |
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* completely, pushing all events to the registered |
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* document handler. A value of false indicates that |
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* that the scanner should only scan the next portion |
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* of the document and return. A scanner instance is |
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* permitted to completely scan a document if it does |
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* not support this "pull" scanning model. |
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* @param standalone True if the document was specified as standalone. |
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* This value is important for verifying certain |
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* well-formedness constraints. |
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* @param hasExternalDTD True if the document has an external DTD. |
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* This allows the scanner to properly notify |
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* the handler of the end of the DTD in the |
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* absence of an external subset. |
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* |
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* @return True if there is more to scan, false otherwise. |
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*/ |
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public boolean scanDTDInternalSubset(boolean complete, boolean standalone, |
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boolean hasExternalSubset) |
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throws IOException, XNIException { |
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// reset entity scanner |
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//xxx:stax getText() is supposed to return only DTD internal subset |
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//shouldn't we record position here before we go ahead ?? |
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342 |
fEntityScanner = (XMLEntityScanner)fEntityManager.getEntityScanner(); |
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fEntityManager.setEntityHandler(this); |
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fStandalone = standalone; |
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//System.out.println("state"+fScannerState); |
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if (fScannerState == SCANNER_STATE_TEXT_DECL) { |
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// call handler |
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if (fDTDHandler != null) { |
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349 |
fDTDHandler.startDTD(fEntityScanner, null); |
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350 |
fStartDTDCalled = true; |
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351 |
} |
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352 |
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353 |
if (nonValidatingMode){ |
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354 |
fStartDTDCalled = true; |
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nvGrammarInfo.startDTD(fEntityScanner,null); |
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356 |
} |
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357 |
// set starting state for internal subset |
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setScannerState(SCANNER_STATE_MARKUP_DECL); |
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359 |
} |
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// keep dispatching "events" |
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do { |
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362 |
if (!scanDecls(complete)) { |
|
363 |
// call handler |
|
364 |
if (fDTDHandler != null && hasExternalSubset == false) { |
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fDTDHandler.endDTD(null); |
|
366 |
} |
|
367 |
if (nonValidatingMode && hasExternalSubset == false ){ |
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368 |
nvGrammarInfo.endDTD(null); |
|
369 |
} |
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370 |
// we're done, set starting state for external subset |
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371 |
setScannerState(SCANNER_STATE_TEXT_DECL); |
|
372 |
return false; |
|
373 |
} |
|
374 |
} while (complete); |
|
375 |
||
376 |
// return that there is more to scan |
|
377 |
return true; |
|
378 |
||
379 |
} // scanDTDInternalSubset(boolean,boolean,boolean):boolean |
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380 |
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381 |
// |
|
382 |
// XMLComponent methods |
|
383 |
// |
|
384 |
||
385 |
/** |
|
386 |
* reset |
|
387 |
* |
|
388 |
* @param componentManager |
|
389 |
*/ |
|
390 |
public void reset(XMLComponentManager componentManager) |
|
391 |
throws XMLConfigurationException { |
|
392 |
||
393 |
super.reset(componentManager); |
|
394 |
init(); |
|
395 |
||
396 |
} // reset(XMLComponentManager) |
|
397 |
||
398 |
// this is made for something like XMLDTDLoader--XMLComponentManager-free operation... |
|
399 |
public void reset() { |
|
400 |
super.reset(); |
|
401 |
init(); |
|
402 |
||
403 |
} |
|
404 |
||
405 |
public void reset(PropertyManager props) { |
|
406 |
setPropertyManager(props); |
|
407 |
super.reset(props); |
|
408 |
init() ; |
|
409 |
nonValidatingMode = true; |
|
410 |
//Revisit : Create new grammar until we implement GrammarPool. |
|
411 |
nvGrammarInfo = new DTDGrammar(fSymbolTable); |
|
412 |
} |
|
413 |
/** |
|
414 |
* Returns a list of feature identifiers that are recognized by |
|
415 |
* this component. This method may return null if no features |
|
416 |
* are recognized by this component. |
|
417 |
*/ |
|
418 |
public String[] getRecognizedFeatures() { |
|
419 |
return (String[])(RECOGNIZED_FEATURES.clone()); |
|
420 |
} // getRecognizedFeatures():String[] |
|
421 |
||
422 |
/** |
|
423 |
* Returns a list of property identifiers that are recognized by |
|
424 |
* this component. This method may return null if no properties |
|
425 |
* are recognized by this component. |
|
426 |
*/ |
|
427 |
public String[] getRecognizedProperties() { |
|
428 |
return (String[])(RECOGNIZED_PROPERTIES.clone()); |
|
429 |
} // getRecognizedProperties():String[] |
|
430 |
||
431 |
/** |
|
432 |
* Returns the default state for a feature, or null if this |
|
433 |
* component does not want to report a default value for this |
|
434 |
* feature. |
|
435 |
* |
|
436 |
* @param featureId The feature identifier. |
|
437 |
* |
|
438 |
* @since Xerces 2.2.0 |
|
439 |
*/ |
|
440 |
public Boolean getFeatureDefault(String featureId) { |
|
441 |
for (int i = 0; i < RECOGNIZED_FEATURES.length; i++) { |
|
442 |
if (RECOGNIZED_FEATURES[i].equals(featureId)) { |
|
443 |
return FEATURE_DEFAULTS[i]; |
|
444 |
} |
|
445 |
} |
|
446 |
return null; |
|
447 |
} // getFeatureDefault(String):Boolean |
|
448 |
||
449 |
/** |
|
450 |
* Returns the default state for a property, or null if this |
|
451 |
* component does not want to report a default value for this |
|
452 |
* property. |
|
453 |
* |
|
454 |
* @param propertyId The property identifier. |
|
455 |
* |
|
456 |
* @since Xerces 2.2.0 |
|
457 |
*/ |
|
458 |
public Object getPropertyDefault(String propertyId) { |
|
459 |
for (int i = 0; i < RECOGNIZED_PROPERTIES.length; i++) { |
|
460 |
if (RECOGNIZED_PROPERTIES[i].equals(propertyId)) { |
|
461 |
return PROPERTY_DEFAULTS[i]; |
|
462 |
} |
|
463 |
} |
|
464 |
return null; |
|
465 |
} // getPropertyDefault(String):Object |
|
466 |
||
467 |
// |
|
468 |
// XMLDTDSource methods |
|
469 |
// |
|
470 |
||
471 |
/** |
|
472 |
* setDTDHandler |
|
473 |
* |
|
474 |
* @param dtdHandler |
|
475 |
*/ |
|
476 |
public void setDTDHandler(XMLDTDHandler dtdHandler) { |
|
477 |
fDTDHandler = dtdHandler; |
|
478 |
} // setDTDHandler(XMLDTDHandler) |
|
479 |
||
480 |
/** |
|
481 |
* getDTDHandler |
|
482 |
* |
|
483 |
* @return the XMLDTDHandler |
|
484 |
*/ |
|
485 |
public XMLDTDHandler getDTDHandler() { |
|
486 |
return fDTDHandler; |
|
487 |
} // getDTDHandler(): XMLDTDHandler |
|
488 |
||
489 |
// |
|
490 |
// XMLDTDContentModelSource methods |
|
491 |
// |
|
492 |
||
493 |
/** |
|
494 |
* setDTDContentModelHandler |
|
495 |
* |
|
496 |
* @param dtdContentModelHandler |
|
497 |
*/ |
|
498 |
public void setDTDContentModelHandler(XMLDTDContentModelHandler |
|
499 |
dtdContentModelHandler) { |
|
500 |
fDTDContentModelHandler = dtdContentModelHandler; |
|
501 |
} // setDTDContentModelHandler |
|
502 |
||
503 |
/** |
|
504 |
* getDTDContentModelHandler |
|
505 |
* |
|
506 |
* @return XMLDTDContentModelHandler |
|
507 |
*/ |
|
508 |
public XMLDTDContentModelHandler getDTDContentModelHandler() { |
|
509 |
return fDTDContentModelHandler ; |
|
510 |
} // setDTDContentModelHandler |
|
511 |
||
512 |
// |
|
513 |
// XMLEntityHandler methods |
|
514 |
// |
|
515 |
||
516 |
/** |
|
517 |
* This method notifies of the start of an entity. The DTD has the |
|
518 |
* pseudo-name of "[dtd]" parameter entity names start with '%'; and |
|
519 |
* general entities are just specified by their name. |
|
520 |
* |
|
521 |
* @param name The name of the entity. |
|
522 |
* @param identifier The resource identifier. |
|
523 |
* @param encoding The auto-detected IANA encoding name of the entity |
|
524 |
* stream. This value will be null in those situations |
|
525 |
* where the entity encoding is not auto-detected (e.g. |
|
526 |
* internal entities or a document entity that is |
|
527 |
* parsed from a java.io.Reader). |
|
528 |
* @param augs Additional information that may include infoset augmentations |
|
529 |
* |
|
530 |
* @throws XNIException Thrown by handler to signal an error. |
|
531 |
*/ |
|
532 |
public void startEntity(String name, |
|
533 |
XMLResourceIdentifier identifier, |
|
534 |
String encoding, Augmentations augs) throws XNIException { |
|
535 |
||
536 |
super.startEntity(name, identifier, encoding, augs); |
|
537 |
||
538 |
boolean dtdEntity = name.equals("[dtd]"); |
|
539 |
if (dtdEntity) { |
|
540 |
// call handler |
|
541 |
if (fDTDHandler != null && !fStartDTDCalled ) { |
|
542 |
fDTDHandler.startDTD(fEntityScanner, null); |
|
543 |
} |
|
544 |
if (fDTDHandler != null) { |
|
545 |
fDTDHandler.startExternalSubset(identifier,null); |
|
546 |
} |
|
547 |
fEntityManager.startExternalSubset(); |
|
548 |
fEntityStore.startExternalSubset(); |
|
549 |
fExtEntityDepth++; |
|
550 |
} |
|
551 |
else if (name.charAt(0) == '%') { |
|
552 |
pushPEStack(fMarkUpDepth, fReportEntity); |
|
553 |
if (fEntityScanner.isExternal()) { |
|
554 |
fExtEntityDepth++; |
|
555 |
} |
|
556 |
} |
|
557 |
||
558 |
// call handler |
|
559 |
if (fDTDHandler != null && !dtdEntity && fReportEntity) { |
|
560 |
fDTDHandler.startParameterEntity(name, identifier, encoding, null); |
|
561 |
} |
|
562 |
||
563 |
} // startEntity(String,XMLResourceIdentifier,String) |
|
564 |
||
565 |
/** |
|
566 |
* This method notifies the end of an entity. The DTD has the pseudo-name |
|
567 |
* of "[dtd]" parameter entity names start with '%'; and general entities |
|
568 |
* are just specified by their name. |
|
569 |
* |
|
570 |
* @param name The name of the entity. |
|
571 |
* |
|
572 |
* @throws XNIException Thrown by handler to signal an error. |
|
573 |
*/ |
|
574 |
public void endEntity(String name, Augmentations augs) |
|
575 |
throws XNIException, IOException { |
|
576 |
||
577 |
super.endEntity(name, augs); |
|
578 |
||
579 |
// if there is no data after the doctype |
|
580 |
// |
|
581 |
if (fScannerState == SCANNER_STATE_END_OF_INPUT) |
|
582 |
return; |
|
583 |
||
584 |
// Handle end of PE |
|
585 |
boolean reportEntity = fReportEntity; |
|
586 |
if (name.startsWith("%")) { |
|
587 |
reportEntity = peekReportEntity(); |
|
24887 | 588 |
// check well-formedness of the entity |
12005 | 589 |
int startMarkUpDepth = popPEStack(); |
590 |
// throw fatalError if this entity was incomplete and |
|
591 |
// was a freestanding decl |
|
592 |
if(startMarkUpDepth == 0 && |
|
593 |
startMarkUpDepth < fMarkUpDepth) { |
|
594 |
fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN, |
|
595 |
"ILL_FORMED_PARAMETER_ENTITY_WHEN_USED_IN_DECL", |
|
596 |
new Object[]{ fEntityManager.fCurrentEntity.name}, |
|
597 |
XMLErrorReporter.SEVERITY_FATAL_ERROR); |
|
598 |
} |
|
599 |
if (startMarkUpDepth != fMarkUpDepth) { |
|
600 |
reportEntity = false; |
|
601 |
if (fValidation) { |
|
602 |
// Proper nesting of parameter entities is a Validity Constraint |
|
603 |
// and must not be enforced when validation is off |
|
604 |
fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN, |
|
605 |
"ImproperDeclarationNesting", |
|
606 |
new Object[]{ name }, |
|
607 |
XMLErrorReporter.SEVERITY_ERROR); |
|
608 |
} |
|
609 |
} |
|
610 |
if (fEntityScanner.isExternal()) { |
|
611 |
fExtEntityDepth--; |
|
612 |
} |
|
613 |
} |
|
614 |
||
615 |
// call handler |
|
616 |
boolean dtdEntity = name.equals("[dtd]"); |
|
617 |
if (fDTDHandler != null && !dtdEntity && reportEntity) { |
|
618 |
fDTDHandler.endParameterEntity(name, null); |
|
619 |
} |
|
620 |
||
621 |
// end DTD |
|
622 |
if (dtdEntity) { |
|
623 |
if (fIncludeSectDepth != 0) { |
|
624 |
reportFatalError("IncludeSectUnterminated", null); |
|
625 |
} |
|
626 |
fScannerState = SCANNER_STATE_END_OF_INPUT; |
|
627 |
// call handler |
|
628 |
fEntityManager.endExternalSubset(); |
|
629 |
fEntityStore.endExternalSubset(); |
|
630 |
||
631 |
if (fDTDHandler != null) { |
|
632 |
fDTDHandler.endExternalSubset(null); |
|
633 |
fDTDHandler.endDTD(null); |
|
634 |
} |
|
635 |
fExtEntityDepth--; |
|
636 |
} |
|
637 |
||
638 |
//XML (Document Entity) is the last opened entity, however |
|
639 |
//if for some reason DTD Scanner receives this callback |
|
640 |
//there is something wrong (probably invalid XML), throw exception. |
|
641 |
//or |
|
642 |
//For standalone DTD loader, it might be the last opened entity |
|
643 |
//and if this is the last opened entity and fMarkUpDepth != 0 or |
|
644 |
//fIncludeSectDepth != 0 or fExtEntityDepth != 0 throw Exception |
|
645 |
if (augs != null && Boolean.TRUE.equals(augs.getItem(Constants.LAST_ENTITY)) |
|
646 |
&& ( fMarkUpDepth != 0 || fExtEntityDepth !=0 || fIncludeSectDepth != 0)){ |
|
647 |
throw new EOFException(); |
|
648 |
} |
|
649 |
||
650 |
} // endEntity(String) |
|
651 |
||
652 |
// helper methods |
|
653 |
||
654 |
/** |
|
655 |
* Sets the scanner state. |
|
656 |
* |
|
657 |
* @param state The new scanner state. |
|
658 |
*/ |
|
659 |
protected final void setScannerState(int state) { |
|
660 |
||
661 |
fScannerState = state; |
|
662 |
if (DEBUG_SCANNER_STATE) { |
|
663 |
System.out.print("### setScannerState: "); |
|
664 |
System.out.print(getScannerStateName(state)); |
|
665 |
//System.out.println(); |
|
666 |
} |
|
667 |
||
668 |
} // setScannerState(int) |
|
669 |
||
670 |
// |
|
671 |
// Private methods |
|
672 |
// |
|
673 |
||
674 |
/** Returns the scanner state name. */ |
|
675 |
private static String getScannerStateName(int state) { |
|
676 |
||
677 |
if (DEBUG_SCANNER_STATE) { |
|
678 |
switch (state) { |
|
679 |
case SCANNER_STATE_END_OF_INPUT: return "SCANNER_STATE_END_OF_INPUT"; |
|
680 |
case SCANNER_STATE_TEXT_DECL: return "SCANNER_STATE_TEXT_DECL"; |
|
681 |
case SCANNER_STATE_MARKUP_DECL: return "SCANNER_STATE_MARKUP_DECL"; |
|
682 |
} |
|
683 |
} |
|
684 |
||
685 |
return "??? ("+state+')'; |
|
686 |
||
687 |
} // getScannerStateName(int):String |
|
688 |
||
689 |
protected final boolean scanningInternalSubset() { |
|
690 |
return fExtEntityDepth == 0; |
|
691 |
} |
|
692 |
||
693 |
/** |
|
694 |
* start a parameter entity dealing with the textdecl if there is any |
|
695 |
* |
|
696 |
* @param name The name of the parameter entity to start (without the '%') |
|
697 |
* @param literal Whether this is happening within a literal |
|
698 |
*/ |
|
699 |
protected void startPE(String name, boolean literal) |
|
700 |
throws IOException, XNIException { |
|
701 |
int depth = fPEDepth; |
|
702 |
String pName = "%"+name; |
|
703 |
if (fValidation && !fEntityStore.isDeclaredEntity(pName)) { |
|
704 |
fErrorReporter.reportError( XMLMessageFormatter.XML_DOMAIN,"EntityNotDeclared", |
|
705 |
new Object[]{name}, XMLErrorReporter.SEVERITY_ERROR); |
|
706 |
} |
|
707 |
fEntityManager.startEntity(fSymbolTable.addSymbol(pName), |
|
708 |
literal); |
|
709 |
// if we actually got a new entity and it's external |
|
710 |
// parse text decl if there is any |
|
711 |
if (depth != fPEDepth && fEntityScanner.isExternal()) { |
|
712 |
scanTextDecl(); |
|
713 |
} |
|
714 |
} |
|
715 |
||
716 |
/** |
|
717 |
* Dispatch an XML "event". |
|
718 |
* |
|
719 |
* @param complete True if this method is intended to scan |
|
720 |
* and dispatch as much as possible. |
|
721 |
* |
|
722 |
* @return True if a TextDecl was scanned. |
|
723 |
* |
|
724 |
* @throws IOException Thrown on i/o error. |
|
725 |
* @throws XNIException Thrown on parse error. |
|
726 |
* |
|
727 |
*/ |
|
728 |
protected final boolean scanTextDecl() |
|
729 |
throws IOException, XNIException { |
|
730 |
||
731 |
// scan XMLDecl |
|
732 |
boolean textDecl = false; |
|
733 |
if (fEntityScanner.skipString("<?xml")) { |
|
734 |
fMarkUpDepth++; |
|
735 |
// NOTE: special case where document starts with a PI |
|
736 |
// whose name starts with "xml" (e.g. "xmlfoo") |
|
737 |
if (isValidNameChar(fEntityScanner.peekChar())) { |
|
738 |
fStringBuffer.clear(); |
|
739 |
fStringBuffer.append("xml"); |
|
740 |
while (isValidNameChar(fEntityScanner.peekChar())) { |
|
741 |
fStringBuffer.append((char)fEntityScanner.scanChar()); |
|
742 |
} |
|
743 |
String target = |
|
744 |
fSymbolTable.addSymbol(fStringBuffer.ch, |
|
745 |
fStringBuffer.offset, |
|
746 |
fStringBuffer.length); |
|
747 |
scanPIData(target, fString); |
|
748 |
} |
|
749 |
||
750 |
// standard Text declaration |
|
751 |
else { |
|
752 |
// pseudo-attribute values |
|
753 |
String version = null; |
|
754 |
String encoding = null; |
|
755 |
||
756 |
scanXMLDeclOrTextDecl(true, fStrings); |
|
757 |
textDecl = true; |
|
758 |
fMarkUpDepth--; |
|
759 |
||
760 |
version = fStrings[0]; |
|
761 |
encoding = fStrings[1]; |
|
762 |
||
763 |
fEntityScanner.setEncoding(encoding); |
|
764 |
||
765 |
// call handler |
|
766 |
if (fDTDHandler != null) { |
|
767 |
fDTDHandler.textDecl(version, encoding, null); |
|
768 |
} |
|
769 |
} |
|
770 |
} |
|
771 |
fEntityManager.fCurrentEntity.mayReadChunks = true; |
|
772 |
||
773 |
return textDecl; |
|
774 |
||
775 |
} // scanTextDecl(boolean):boolean |
|
776 |
||
777 |
/** |
|
778 |
* Scans a processing data. This is needed to handle the situation |
|
779 |
* where a document starts with a processing instruction whose |
|
780 |
* target name <em>starts with</em> "xml". (e.g. xmlfoo) |
|
781 |
* |
|
782 |
* @param target The PI target |
|
783 |
* @param data The string to fill in with the data |
|
784 |
*/ |
|
785 |
protected final void scanPIData(String target, XMLString data) |
|
786 |
throws IOException, XNIException { |
|
787 |
//Venu REVISIT |
|
788 |
// super.scanPIData(target, data); |
|
789 |
fMarkUpDepth--; |
|
790 |
||
791 |
// call handler |
|
792 |
if (fDTDHandler != null) { |
|
793 |
fDTDHandler.processingInstruction(target, data, null); |
|
794 |
} |
|
795 |
||
796 |
} // scanPIData(String) |
|
797 |
||
798 |
/** |
|
799 |
* Scans a comment. |
|
800 |
* <p> |
|
801 |
* <pre> |
|
802 |
* [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->' |
|
803 |
* </pre> |
|
804 |
* <p> |
|
805 |
* <strong>Note:</strong> Called after scanning past '<!--' |
|
806 |
*/ |
|
807 |
protected final void scanComment() throws IOException, XNIException { |
|
808 |
||
809 |
fReportEntity = false; |
|
810 |
scanComment(fStringBuffer); |
|
811 |
fMarkUpDepth--; |
|
812 |
||
813 |
// call handler |
|
814 |
if (fDTDHandler != null) { |
|
815 |
fDTDHandler.comment(fStringBuffer, null); |
|
816 |
} |
|
817 |
fReportEntity = true; |
|
818 |
||
819 |
} // scanComment() |
|
820 |
||
821 |
/** |
|
822 |
* Scans an element declaration |
|
823 |
* <p> |
|
824 |
* <pre> |
|
825 |
* [45] elementdecl ::= '<!ELEMENT' S Name S contentspec S? '>' |
|
826 |
* [46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children |
|
827 |
* </pre> |
|
828 |
* <p> |
|
829 |
* <strong>Note:</strong> Called after scanning past '<!ELEMENT' |
|
830 |
*/ |
|
831 |
protected final void scanElementDecl() throws IOException, XNIException { |
|
832 |
||
833 |
// spaces |
|
834 |
fReportEntity = false; |
|
835 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
836 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_ELEMENT_TYPE_IN_ELEMENTDECL", |
|
837 |
null); |
|
838 |
} |
|
839 |
||
840 |
// element name |
|
841 |
String name = fEntityScanner.scanName(); |
|
842 |
if (name == null) { |
|
843 |
reportFatalError("MSG_ELEMENT_TYPE_REQUIRED_IN_ELEMENTDECL", |
|
844 |
null); |
|
845 |
} |
|
846 |
||
847 |
// spaces |
|
848 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
849 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_CONTENTSPEC_IN_ELEMENTDECL", |
|
850 |
new Object[]{name}); |
|
851 |
} |
|
852 |
||
853 |
// content model |
|
854 |
if (fDTDContentModelHandler != null) { |
|
855 |
fDTDContentModelHandler.startContentModel(name, null); |
|
856 |
} |
|
857 |
String contentModel = null; |
|
858 |
fReportEntity = true; |
|
859 |
if (fEntityScanner.skipString("EMPTY")) { |
|
860 |
contentModel = "EMPTY"; |
|
861 |
// call handler |
|
862 |
if (fDTDContentModelHandler != null) { |
|
863 |
fDTDContentModelHandler.empty(null); |
|
864 |
} |
|
865 |
} |
|
866 |
else if (fEntityScanner.skipString("ANY")) { |
|
867 |
contentModel = "ANY"; |
|
868 |
// call handler |
|
869 |
if (fDTDContentModelHandler != null) { |
|
870 |
fDTDContentModelHandler.any(null); |
|
871 |
} |
|
872 |
} |
|
873 |
else { |
|
874 |
if (!fEntityScanner.skipChar('(')) { |
|
875 |
reportFatalError("MSG_OPEN_PAREN_OR_ELEMENT_TYPE_REQUIRED_IN_CHILDREN", |
|
876 |
new Object[]{name}); |
|
877 |
} |
|
878 |
if (fDTDContentModelHandler != null) { |
|
879 |
fDTDContentModelHandler.startGroup(null); |
|
880 |
} |
|
881 |
fStringBuffer.clear(); |
|
882 |
fStringBuffer.append('('); |
|
883 |
fMarkUpDepth++; |
|
884 |
skipSeparator(false, !scanningInternalSubset()); |
|
885 |
||
886 |
// Mixed content model |
|
887 |
if (fEntityScanner.skipString("#PCDATA")) { |
|
888 |
scanMixed(name); |
|
889 |
} |
|
890 |
else { // children content |
|
891 |
scanChildren(name); |
|
892 |
} |
|
893 |
contentModel = fStringBuffer.toString(); |
|
894 |
} |
|
895 |
||
896 |
// call handler |
|
897 |
if (fDTDContentModelHandler != null) { |
|
898 |
fDTDContentModelHandler.endContentModel(null); |
|
899 |
} |
|
900 |
||
901 |
fReportEntity = false; |
|
902 |
skipSeparator(false, !scanningInternalSubset()); |
|
903 |
// end |
|
904 |
if (!fEntityScanner.skipChar('>')) { |
|
905 |
reportFatalError("ElementDeclUnterminated", new Object[]{name}); |
|
906 |
} |
|
907 |
fReportEntity = true; |
|
908 |
fMarkUpDepth--; |
|
909 |
||
910 |
// call handler |
|
911 |
if (fDTDHandler != null) { |
|
912 |
fDTDHandler.elementDecl(name, contentModel, null); |
|
913 |
} |
|
914 |
if (nonValidatingMode) nvGrammarInfo.elementDecl(name, contentModel, null); |
|
915 |
} // scanElementDecl() |
|
916 |
||
917 |
/** |
|
918 |
* scan Mixed content model |
|
919 |
* This assumes the content model has been parsed up to #PCDATA and |
|
920 |
* can simply append to fStringBuffer. |
|
921 |
* <pre> |
|
922 |
* [51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' |
|
923 |
* | '(' S? '#PCDATA' S? ')' |
|
924 |
* </pre> |
|
925 |
* |
|
926 |
* @param elName The element type name this declaration is about. |
|
927 |
* |
|
928 |
* <strong>Note:</strong> Called after scanning past '(#PCDATA'. |
|
929 |
*/ |
|
930 |
private final void scanMixed(String elName) |
|
931 |
throws IOException, XNIException { |
|
932 |
||
933 |
String childName = null; |
|
934 |
||
935 |
fStringBuffer.append("#PCDATA"); |
|
936 |
// call handler |
|
937 |
if (fDTDContentModelHandler != null) { |
|
938 |
fDTDContentModelHandler.pcdata(null); |
|
939 |
} |
|
940 |
skipSeparator(false, !scanningInternalSubset()); |
|
941 |
while (fEntityScanner.skipChar('|')) { |
|
942 |
fStringBuffer.append('|'); |
|
943 |
// call handler |
|
944 |
if (fDTDContentModelHandler != null) { |
|
945 |
fDTDContentModelHandler.separator(XMLDTDContentModelHandler.SEPARATOR_CHOICE, |
|
946 |
null); |
|
947 |
} |
|
948 |
skipSeparator(false, !scanningInternalSubset()); |
|
949 |
||
950 |
childName = fEntityScanner.scanName(); |
|
951 |
if (childName == null) { |
|
952 |
reportFatalError("MSG_ELEMENT_TYPE_REQUIRED_IN_MIXED_CONTENT", |
|
953 |
new Object[]{elName}); |
|
954 |
} |
|
955 |
fStringBuffer.append(childName); |
|
956 |
// call handler |
|
957 |
if (fDTDContentModelHandler != null) { |
|
958 |
fDTDContentModelHandler.element(childName, null); |
|
959 |
} |
|
960 |
skipSeparator(false, !scanningInternalSubset()); |
|
961 |
} |
|
962 |
// The following check must be done in a single call (as opposed to one |
|
963 |
// for ')' and then one for '*') to guarantee that callbacks are |
|
964 |
// properly nested. We do not want to trigger endEntity too early in |
|
965 |
// case we cross the boundary of an entity between the two characters. |
|
966 |
if (fEntityScanner.skipString(")*")) { |
|
967 |
fStringBuffer.append(")*"); |
|
968 |
// call handler |
|
969 |
if (fDTDContentModelHandler != null) { |
|
970 |
fDTDContentModelHandler.endGroup(null); |
|
971 |
fDTDContentModelHandler.occurrence(XMLDTDContentModelHandler.OCCURS_ZERO_OR_MORE, |
|
972 |
null); |
|
973 |
} |
|
974 |
} |
|
975 |
else if (childName != null) { |
|
976 |
reportFatalError("MixedContentUnterminated", |
|
977 |
new Object[]{elName}); |
|
978 |
} |
|
979 |
else if (fEntityScanner.skipChar(')')){ |
|
980 |
fStringBuffer.append(')'); |
|
981 |
// call handler |
|
982 |
if (fDTDContentModelHandler != null) { |
|
983 |
fDTDContentModelHandler.endGroup(null); |
|
984 |
} |
|
985 |
} |
|
986 |
else { |
|
987 |
reportFatalError("MSG_CLOSE_PAREN_REQUIRED_IN_CHILDREN", |
|
988 |
new Object[]{elName}); |
|
989 |
} |
|
990 |
fMarkUpDepth--; |
|
991 |
// we are done |
|
992 |
} |
|
993 |
||
994 |
/** |
|
995 |
* scan children content model |
|
996 |
* This assumes it can simply append to fStringBuffer. |
|
997 |
* <pre> |
|
998 |
* [47] children ::= (choice | seq) ('?' | '*' | '+')? |
|
999 |
* [48] cp ::= (Name | choice | seq) ('?' | '*' | '+')? |
|
1000 |
* [49] choice ::= '(' S? cp ( S? '|' S? cp )+ S? ')' |
|
1001 |
* [50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')' |
|
1002 |
* </pre> |
|
1003 |
* |
|
1004 |
* @param elName The element type name this declaration is about. |
|
1005 |
* |
|
1006 |
* <strong>Note:</strong> Called after scanning past the first open |
|
1007 |
* paranthesis. |
|
1008 |
*/ |
|
1009 |
private final void scanChildren(String elName) |
|
1010 |
throws IOException, XNIException { |
|
1011 |
||
1012 |
fContentDepth = 0; |
|
1013 |
pushContentStack(0); |
|
1014 |
int currentOp = 0; |
|
1015 |
int c; |
|
1016 |
while (true) { |
|
1017 |
if (fEntityScanner.skipChar('(')) { |
|
1018 |
fMarkUpDepth++; |
|
1019 |
fStringBuffer.append('('); |
|
1020 |
// call handler |
|
1021 |
if (fDTDContentModelHandler != null) { |
|
1022 |
fDTDContentModelHandler.startGroup(null); |
|
1023 |
} |
|
1024 |
// push current op on stack and reset it |
|
1025 |
pushContentStack(currentOp); |
|
1026 |
currentOp = 0; |
|
1027 |
skipSeparator(false, !scanningInternalSubset()); |
|
1028 |
continue; |
|
1029 |
} |
|
1030 |
skipSeparator(false, !scanningInternalSubset()); |
|
1031 |
String childName = fEntityScanner.scanName(); |
|
1032 |
if (childName == null) { |
|
1033 |
reportFatalError("MSG_OPEN_PAREN_OR_ELEMENT_TYPE_REQUIRED_IN_CHILDREN", |
|
1034 |
new Object[]{elName}); |
|
1035 |
return; |
|
1036 |
} |
|
1037 |
// call handler |
|
1038 |
if (fDTDContentModelHandler != null) { |
|
1039 |
fDTDContentModelHandler.element(childName, null); |
|
1040 |
} |
|
1041 |
fStringBuffer.append(childName); |
|
1042 |
c = fEntityScanner.peekChar(); |
|
1043 |
if (c == '?' || c == '*' || c == '+') { |
|
1044 |
// call handler |
|
1045 |
if (fDTDContentModelHandler != null) { |
|
1046 |
short oc; |
|
1047 |
if (c == '?') { |
|
1048 |
oc = XMLDTDContentModelHandler.OCCURS_ZERO_OR_ONE; |
|
1049 |
} |
|
1050 |
else if (c == '*') { |
|
1051 |
oc = XMLDTDContentModelHandler.OCCURS_ZERO_OR_MORE; |
|
1052 |
} |
|
1053 |
else { |
|
1054 |
oc = XMLDTDContentModelHandler.OCCURS_ONE_OR_MORE; |
|
1055 |
} |
|
1056 |
fDTDContentModelHandler.occurrence(oc, null); |
|
1057 |
} |
|
1058 |
fEntityScanner.scanChar(); |
|
1059 |
fStringBuffer.append((char)c); |
|
1060 |
} |
|
1061 |
while (true) { |
|
1062 |
skipSeparator(false, !scanningInternalSubset()); |
|
1063 |
c = fEntityScanner.peekChar(); |
|
1064 |
if (c == ',' && currentOp != '|') { |
|
1065 |
currentOp = c; |
|
1066 |
// call handler |
|
1067 |
if (fDTDContentModelHandler != null) { |
|
1068 |
fDTDContentModelHandler.separator(XMLDTDContentModelHandler.SEPARATOR_SEQUENCE, |
|
1069 |
null); |
|
1070 |
} |
|
1071 |
fEntityScanner.scanChar(); |
|
1072 |
fStringBuffer.append(','); |
|
1073 |
break; |
|
1074 |
} |
|
1075 |
else if (c == '|' && currentOp != ',') { |
|
1076 |
currentOp = c; |
|
1077 |
// call handler |
|
1078 |
if (fDTDContentModelHandler != null) { |
|
1079 |
fDTDContentModelHandler.separator(XMLDTDContentModelHandler.SEPARATOR_CHOICE, |
|
1080 |
null); |
|
1081 |
} |
|
1082 |
fEntityScanner.scanChar(); |
|
1083 |
fStringBuffer.append('|'); |
|
1084 |
break; |
|
1085 |
} |
|
1086 |
else if (c != ')') { |
|
1087 |
reportFatalError("MSG_CLOSE_PAREN_REQUIRED_IN_CHILDREN", |
|
1088 |
new Object[]{elName}); |
|
1089 |
} |
|
1090 |
// call handler |
|
1091 |
if (fDTDContentModelHandler != null) { |
|
1092 |
fDTDContentModelHandler.endGroup(null); |
|
1093 |
} |
|
1094 |
// restore previous op |
|
1095 |
currentOp = popContentStack(); |
|
1096 |
short oc; |
|
1097 |
// The following checks must be done in a single call (as |
|
1098 |
// opposed to one for ')' and then one for '?', '*', and '+') |
|
1099 |
// to guarantee that callbacks are properly nested. We do not |
|
1100 |
// want to trigger endEntity too early in case we cross the |
|
1101 |
// boundary of an entity between the two characters. |
|
1102 |
if (fEntityScanner.skipString(")?")) { |
|
1103 |
fStringBuffer.append(")?"); |
|
1104 |
// call handler |
|
1105 |
if (fDTDContentModelHandler != null) { |
|
1106 |
oc = XMLDTDContentModelHandler.OCCURS_ZERO_OR_ONE; |
|
1107 |
fDTDContentModelHandler.occurrence(oc, null); |
|
1108 |
} |
|
1109 |
} |
|
1110 |
else if (fEntityScanner.skipString(")+")) { |
|
1111 |
fStringBuffer.append(")+"); |
|
1112 |
// call handler |
|
1113 |
if (fDTDContentModelHandler != null) { |
|
1114 |
oc = XMLDTDContentModelHandler.OCCURS_ONE_OR_MORE; |
|
1115 |
fDTDContentModelHandler.occurrence(oc, null); |
|
1116 |
} |
|
1117 |
} |
|
1118 |
else if (fEntityScanner.skipString(")*")) { |
|
1119 |
fStringBuffer.append(")*"); |
|
1120 |
// call handler |
|
1121 |
if (fDTDContentModelHandler != null) { |
|
1122 |
oc = XMLDTDContentModelHandler.OCCURS_ZERO_OR_MORE; |
|
1123 |
fDTDContentModelHandler.occurrence(oc, null); |
|
1124 |
} |
|
1125 |
} |
|
1126 |
else { |
|
1127 |
// no occurrence specified |
|
1128 |
fEntityScanner.scanChar(); |
|
1129 |
fStringBuffer.append(')'); |
|
1130 |
} |
|
1131 |
fMarkUpDepth--; |
|
1132 |
if (fContentDepth == 0) { |
|
1133 |
return; |
|
1134 |
} |
|
1135 |
} |
|
1136 |
skipSeparator(false, !scanningInternalSubset()); |
|
1137 |
} |
|
1138 |
} |
|
1139 |
||
1140 |
/** |
|
1141 |
* Scans an attlist declaration |
|
1142 |
* <p> |
|
1143 |
* <pre> |
|
1144 |
* [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>' |
|
1145 |
* [53] AttDef ::= S Name S AttType S DefaultDecl |
|
1146 |
* </pre> |
|
1147 |
* <p> |
|
1148 |
* <strong>Note:</strong> Called after scanning past '<!ATTLIST' |
|
1149 |
*/ |
|
1150 |
protected final void scanAttlistDecl() throws IOException, XNIException { |
|
1151 |
||
1152 |
// spaces |
|
1153 |
fReportEntity = false; |
|
1154 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1155 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_ELEMENT_TYPE_IN_ATTLISTDECL", |
|
1156 |
null); |
|
1157 |
} |
|
1158 |
||
1159 |
// element name |
|
1160 |
String elName = fEntityScanner.scanName(); |
|
1161 |
if (elName == null) { |
|
1162 |
reportFatalError("MSG_ELEMENT_TYPE_REQUIRED_IN_ATTLISTDECL", |
|
1163 |
null); |
|
1164 |
} |
|
1165 |
||
1166 |
// call handler |
|
1167 |
if (fDTDHandler != null) { |
|
1168 |
fDTDHandler.startAttlist(elName, null); |
|
1169 |
} |
|
1170 |
||
1171 |
// spaces |
|
1172 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1173 |
// no space, is it the end yet? |
|
1174 |
if (fEntityScanner.skipChar('>')) { |
|
1175 |
// yes, stop here |
|
1176 |
// call handler |
|
1177 |
if (fDTDHandler != null) { |
|
1178 |
fDTDHandler.endAttlist(null); |
|
1179 |
} |
|
1180 |
fMarkUpDepth--; |
|
1181 |
return; |
|
1182 |
} |
|
1183 |
else { |
|
1184 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_ATTRIBUTE_NAME_IN_ATTDEF", |
|
1185 |
new Object[]{elName}); |
|
1186 |
} |
|
1187 |
} |
|
1188 |
||
1189 |
// definitions |
|
1190 |
while (!fEntityScanner.skipChar('>')) { |
|
1191 |
String name = fEntityScanner.scanName(); |
|
1192 |
if (name == null) { |
|
1193 |
reportFatalError("AttNameRequiredInAttDef", |
|
1194 |
new Object[]{elName}); |
|
1195 |
} |
|
1196 |
// spaces |
|
1197 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1198 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_ATTTYPE_IN_ATTDEF", |
|
1199 |
new Object[]{elName, name}); |
|
1200 |
} |
|
1201 |
// type |
|
1202 |
String type = scanAttType(elName, name); |
|
1203 |
||
1204 |
// spaces |
|
1205 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1206 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_DEFAULTDECL_IN_ATTDEF", |
|
1207 |
new Object[]{elName, name}); |
|
1208 |
} |
|
1209 |
||
1210 |
// default decl |
|
1211 |
String defaultType = scanAttDefaultDecl(elName, name, |
|
1212 |
type, |
|
1213 |
fLiteral, fLiteral2); |
|
1214 |
// REVISIT: Should we do anything with the non-normalized |
|
1215 |
// default attribute value? -Ac |
|
1216 |
// yes--according to bug 5073. - neilg |
|
1217 |
String[] enumr = null; |
|
1218 |
if( fDTDHandler != null || nonValidatingMode){ |
|
1219 |
if (fEnumerationCount != 0) { |
|
1220 |
enumr = new String[fEnumerationCount]; |
|
1221 |
System.arraycopy(fEnumeration, 0, enumr, |
|
1222 |
0, fEnumerationCount); |
|
1223 |
} |
|
1224 |
} |
|
1225 |
// call handler |
|
1226 |
// Determine whether the default value to be passed should be null. |
|
1227 |
// REVISIT: should probably check whether fLiteral.ch is null instead. LM. |
|
1228 |
if (defaultType!=null && (defaultType.equals("#REQUIRED") || |
|
1229 |
defaultType.equals("#IMPLIED"))) { |
|
1230 |
if (fDTDHandler != null){ |
|
1231 |
fDTDHandler.attributeDecl(elName, name, type, enumr, |
|
1232 |
defaultType, null, null, null); |
|
1233 |
} |
|
1234 |
if(nonValidatingMode){ |
|
1235 |
nvGrammarInfo.attributeDecl(elName, name, type, enumr, |
|
1236 |
defaultType, null, null, null); |
|
1237 |
||
1238 |
} |
|
1239 |
} |
|
1240 |
else { |
|
1241 |
if (fDTDHandler != null){ |
|
1242 |
fDTDHandler.attributeDecl(elName, name, type, enumr, |
|
1243 |
defaultType, fLiteral, fLiteral2, null); |
|
1244 |
} |
|
1245 |
if(nonValidatingMode){ |
|
1246 |
nvGrammarInfo.attributeDecl(elName, name, type, enumr, |
|
1247 |
defaultType, fLiteral, fLiteral2, null); |
|
1248 |
} |
|
1249 |
} |
|
1250 |
skipSeparator(false, !scanningInternalSubset()); |
|
1251 |
} |
|
1252 |
||
1253 |
// call handler |
|
1254 |
if (fDTDHandler != null) { |
|
1255 |
fDTDHandler.endAttlist(null); |
|
1256 |
} |
|
1257 |
fMarkUpDepth--; |
|
1258 |
fReportEntity = true; |
|
1259 |
||
1260 |
} // scanAttlistDecl() |
|
1261 |
||
1262 |
/** |
|
1263 |
* Scans an attribute type definition |
|
1264 |
* <p> |
|
1265 |
* <pre> |
|
1266 |
* [54] AttType ::= StringType | TokenizedType | EnumeratedType |
|
1267 |
* [55] StringType ::= 'CDATA' |
|
1268 |
* [56] TokenizedType ::= 'ID' |
|
1269 |
* | 'IDREF' |
|
1270 |
* | 'IDREFS' |
|
1271 |
* | 'ENTITY' |
|
1272 |
* | 'ENTITIES' |
|
1273 |
* | 'NMTOKEN' |
|
1274 |
* | 'NMTOKENS' |
|
1275 |
* [57] EnumeratedType ::= NotationType | Enumeration |
|
1276 |
* [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')' |
|
1277 |
* [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')' |
|
1278 |
* </pre> |
|
1279 |
* <p> |
|
1280 |
* <strong>Note:</strong> Called after scanning past '<!ATTLIST' |
|
1281 |
* |
|
1282 |
* @param elName The element type name this declaration is about. |
|
1283 |
* @param atName The attribute name this declaration is about. |
|
1284 |
*/ |
|
1285 |
private final String scanAttType(String elName, String atName) |
|
1286 |
throws IOException, XNIException { |
|
1287 |
||
1288 |
String type = null; |
|
1289 |
fEnumerationCount = 0; |
|
1290 |
/* |
|
1291 |
* Watchout: the order here is important: when a string happens to |
|
1292 |
* be a substring of another string, the longer one needs to be |
|
1293 |
* looked for first!! |
|
1294 |
*/ |
|
1295 |
if (fEntityScanner.skipString("CDATA")) { |
|
1296 |
type = "CDATA"; |
|
1297 |
} |
|
1298 |
else if (fEntityScanner.skipString("IDREFS")) { |
|
1299 |
type = "IDREFS"; |
|
1300 |
} |
|
1301 |
else if (fEntityScanner.skipString("IDREF")) { |
|
1302 |
type = "IDREF"; |
|
1303 |
} |
|
1304 |
else if (fEntityScanner.skipString("ID")) { |
|
1305 |
type = "ID"; |
|
1306 |
} |
|
1307 |
else if (fEntityScanner.skipString("ENTITY")) { |
|
1308 |
type = "ENTITY"; |
|
1309 |
} |
|
1310 |
else if (fEntityScanner.skipString("ENTITIES")) { |
|
1311 |
type = "ENTITIES"; |
|
1312 |
} |
|
1313 |
else if (fEntityScanner.skipString("NMTOKENS")) { |
|
1314 |
type = "NMTOKENS"; |
|
1315 |
} |
|
1316 |
else if (fEntityScanner.skipString("NMTOKEN")) { |
|
1317 |
type = "NMTOKEN"; |
|
1318 |
} |
|
1319 |
else if (fEntityScanner.skipString("NOTATION")) { |
|
1320 |
type = "NOTATION"; |
|
1321 |
// spaces |
|
1322 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1323 |
reportFatalError("MSG_SPACE_REQUIRED_AFTER_NOTATION_IN_NOTATIONTYPE", |
|
1324 |
new Object[]{elName, atName}); |
|
1325 |
} |
|
1326 |
// open paren |
|
1327 |
int c = fEntityScanner.scanChar(); |
|
1328 |
if (c != '(') { |
|
1329 |
reportFatalError("MSG_OPEN_PAREN_REQUIRED_IN_NOTATIONTYPE", |
|
1330 |
new Object[]{elName, atName}); |
|
1331 |
} |
|
1332 |
fMarkUpDepth++; |
|
1333 |
do { |
|
1334 |
skipSeparator(false, !scanningInternalSubset()); |
|
1335 |
String aName = fEntityScanner.scanName(); |
|
1336 |
if (aName == null) { |
|
1337 |
reportFatalError("MSG_NAME_REQUIRED_IN_NOTATIONTYPE", |
|
1338 |
new Object[]{elName, atName}); |
|
1339 |
} |
|
1340 |
ensureEnumerationSize(fEnumerationCount + 1); |
|
1341 |
fEnumeration[fEnumerationCount++] = aName; |
|
1342 |
skipSeparator(false, !scanningInternalSubset()); |
|
1343 |
c = fEntityScanner.scanChar(); |
|
1344 |
} while (c == '|'); |
|
1345 |
if (c != ')') { |
|
1346 |
reportFatalError("NotationTypeUnterminated", |
|
1347 |
new Object[]{elName, atName}); |
|
1348 |
} |
|
1349 |
fMarkUpDepth--; |
|
1350 |
} |
|
1351 |
else { // Enumeration |
|
1352 |
type = "ENUMERATION"; |
|
1353 |
// open paren |
|
1354 |
int c = fEntityScanner.scanChar(); |
|
1355 |
if (c != '(') { |
|
1356 |
// "OPEN_PAREN_REQUIRED_BEFORE_ENUMERATION_IN_ATTRDECL", |
|
1357 |
reportFatalError("AttTypeRequiredInAttDef", |
|
1358 |
new Object[]{elName, atName}); |
|
1359 |
} |
|
1360 |
fMarkUpDepth++; |
|
1361 |
do { |
|
1362 |
skipSeparator(false, !scanningInternalSubset()); |
|
1363 |
String token = fEntityScanner.scanNmtoken(); |
|
1364 |
if (token == null) { |
|
1365 |
reportFatalError("MSG_NMTOKEN_REQUIRED_IN_ENUMERATION", |
|
1366 |
new Object[]{elName, atName}); |
|
1367 |
} |
|
1368 |
ensureEnumerationSize(fEnumerationCount + 1); |
|
1369 |
fEnumeration[fEnumerationCount++] = token; |
|
1370 |
skipSeparator(false, !scanningInternalSubset()); |
|
1371 |
c = fEntityScanner.scanChar(); |
|
1372 |
} while (c == '|'); |
|
1373 |
if (c != ')') { |
|
1374 |
reportFatalError("EnumerationUnterminated", |
|
1375 |
new Object[]{elName, atName}); |
|
1376 |
} |
|
1377 |
fMarkUpDepth--; |
|
1378 |
} |
|
1379 |
return type; |
|
1380 |
||
1381 |
} // scanAttType():String |
|
1382 |
||
1383 |
||
1384 |
/** |
|
1385 |
* Scans an attribute default declaration |
|
1386 |
* <p> |
|
1387 |
* <pre> |
|
1388 |
* [60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue) |
|
1389 |
* </pre> |
|
1390 |
* |
|
1391 |
* @param name The name of the attribute being scanned. |
|
1392 |
* @param defaultVal The string to fill in with the default value. |
|
1393 |
*/ |
|
1394 |
protected final String scanAttDefaultDecl(String elName, String atName, |
|
1395 |
String type, |
|
1396 |
XMLString defaultVal, |
|
1397 |
XMLString nonNormalizedDefaultVal) |
|
1398 |
throws IOException, XNIException { |
|
1399 |
||
1400 |
String defaultType = null; |
|
1401 |
fString.clear(); |
|
1402 |
defaultVal.clear(); |
|
1403 |
if (fEntityScanner.skipString("#REQUIRED")) { |
|
1404 |
defaultType = "#REQUIRED"; |
|
1405 |
} |
|
1406 |
else if (fEntityScanner.skipString("#IMPLIED")) { |
|
1407 |
defaultType = "#IMPLIED"; |
|
1408 |
} |
|
1409 |
else { |
|
1410 |
if (fEntityScanner.skipString("#FIXED")) { |
|
1411 |
defaultType = "#FIXED"; |
|
1412 |
// spaces |
|
1413 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1414 |
reportFatalError("MSG_SPACE_REQUIRED_AFTER_FIXED_IN_DEFAULTDECL", |
|
1415 |
new Object[]{elName, atName}); |
|
1416 |
} |
|
1417 |
} |
|
1418 |
// AttValue |
|
1419 |
boolean isVC = !fStandalone && (fSeenExternalDTD || fSeenExternalPE) ; |
|
1420 |
scanAttributeValue(defaultVal, nonNormalizedDefaultVal, atName, |
|
1421 |
fAttributes, 0, isVC); |
|
1422 |
} |
|
1423 |
return defaultType; |
|
1424 |
||
1425 |
} // ScanAttDefaultDecl |
|
1426 |
||
1427 |
/** |
|
1428 |
* Scans an entity declaration |
|
1429 |
* <p> |
|
1430 |
* <pre> |
|
1431 |
* [70] EntityDecl ::= GEDecl | PEDecl |
|
1432 |
* [71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>' |
|
1433 |
* [72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>' |
|
1434 |
* [73] EntityDef ::= EntityValue | (ExternalID NDataDecl?) |
|
1435 |
* [74] PEDef ::= EntityValue | ExternalID |
|
1436 |
* [75] ExternalID ::= 'SYSTEM' S SystemLiteral |
|
1437 |
* | 'PUBLIC' S PubidLiteral S SystemLiteral |
|
1438 |
* [76] NDataDecl ::= S 'NDATA' S Name |
|
1439 |
* </pre> |
|
1440 |
* <p> |
|
1441 |
* <strong>Note:</strong> Called after scanning past '<!ENTITY' |
|
1442 |
*/ |
|
1443 |
private final void scanEntityDecl() throws IOException, XNIException { |
|
1444 |
||
1445 |
boolean isPEDecl = false; |
|
1446 |
boolean sawPERef = false; |
|
1447 |
fReportEntity = false; |
|
1448 |
if (fEntityScanner.skipSpaces()) { |
|
1449 |
if (!fEntityScanner.skipChar('%')) { |
|
1450 |
isPEDecl = false; // <!ENTITY x "x"> |
|
1451 |
} |
|
1452 |
else if (skipSeparator(true, !scanningInternalSubset())) { |
|
1453 |
// <!ENTITY % x "x"> |
|
1454 |
isPEDecl = true; |
|
1455 |
} |
|
1456 |
else if (scanningInternalSubset()) { |
|
1457 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_ENTITY_NAME_IN_ENTITYDECL", |
|
1458 |
null); |
|
1459 |
isPEDecl = true; |
|
1460 |
} |
|
1461 |
else if (fEntityScanner.peekChar() == '%') { |
|
1462 |
// <!ENTITY %%x; "x"> is legal |
|
1463 |
skipSeparator(false, !scanningInternalSubset()); |
|
1464 |
isPEDecl = true; |
|
1465 |
} |
|
1466 |
else { |
|
1467 |
sawPERef = true; |
|
1468 |
} |
|
1469 |
} |
|
1470 |
else if (scanningInternalSubset() || !fEntityScanner.skipChar('%')) { |
|
1471 |
// <!ENTITY[^ ]...> or <!ENTITY[^ %]...> |
|
1472 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_ENTITY_NAME_IN_ENTITYDECL", |
|
1473 |
null); |
|
1474 |
isPEDecl = false; |
|
1475 |
} |
|
1476 |
else if (fEntityScanner.skipSpaces()) { |
|
1477 |
// <!ENTITY% ...> |
|
1478 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_PERCENT_IN_PEDECL", |
|
1479 |
null); |
|
1480 |
isPEDecl = false; |
|
1481 |
} |
|
1482 |
else { |
|
1483 |
sawPERef = true; |
|
1484 |
} |
|
1485 |
if (sawPERef) { |
|
1486 |
while (true) { |
|
1487 |
String peName = fEntityScanner.scanName(); |
|
1488 |
if (peName == null) { |
|
1489 |
reportFatalError("NameRequiredInPEReference", null); |
|
1490 |
} |
|
1491 |
else if (!fEntityScanner.skipChar(';')) { |
|
1492 |
reportFatalError("SemicolonRequiredInPEReference", |
|
1493 |
new Object[]{peName}); |
|
1494 |
} |
|
1495 |
else { |
|
1496 |
startPE(peName, false); |
|
1497 |
} |
|
1498 |
fEntityScanner.skipSpaces(); |
|
1499 |
if (!fEntityScanner.skipChar('%')) |
|
1500 |
break; |
|
1501 |
if (!isPEDecl) { |
|
1502 |
if (skipSeparator(true, !scanningInternalSubset())) { |
|
1503 |
isPEDecl = true; |
|
1504 |
break; |
|
1505 |
} |
|
1506 |
isPEDecl = fEntityScanner.skipChar('%'); |
|
1507 |
} |
|
1508 |
} |
|
1509 |
} |
|
1510 |
||
1511 |
// name |
|
1512 |
String name = fEntityScanner.scanName(); |
|
1513 |
if (name == null) { |
|
1514 |
reportFatalError("MSG_ENTITY_NAME_REQUIRED_IN_ENTITYDECL", null); |
|
1515 |
} |
|
1516 |
||
1517 |
// spaces |
|
1518 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1519 |
reportFatalError("MSG_SPACE_REQUIRED_AFTER_ENTITY_NAME_IN_ENTITYDECL", |
|
1520 |
new Object[]{name}); |
|
1521 |
} |
|
1522 |
||
1523 |
// external id |
|
1524 |
scanExternalID(fStrings, false); |
|
1525 |
String systemId = fStrings[0]; |
|
1526 |
String publicId = fStrings[1]; |
|
1527 |
||
1528 |
if (isPEDecl && systemId != null) { |
|
1529 |
fSeenExternalPE = true; |
|
1530 |
} |
|
1531 |
||
1532 |
String notation = null; |
|
1533 |
// NDATA |
|
1534 |
boolean sawSpace = skipSeparator(true, !scanningInternalSubset()); |
|
1535 |
if (!isPEDecl && fEntityScanner.skipString("NDATA")) { |
|
1536 |
// check whether there was space before NDATA |
|
1537 |
if (!sawSpace) { |
|
1538 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_NDATA_IN_UNPARSED_ENTITYDECL", |
|
1539 |
new Object[]{name}); |
|
1540 |
} |
|
1541 |
||
1542 |
// spaces |
|
1543 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1544 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_NOTATION_NAME_IN_UNPARSED_ENTITYDECL", |
|
1545 |
new Object[]{name}); |
|
1546 |
} |
|
1547 |
notation = fEntityScanner.scanName(); |
|
1548 |
if (notation == null) { |
|
1549 |
reportFatalError("MSG_NOTATION_NAME_REQUIRED_FOR_UNPARSED_ENTITYDECL", |
|
1550 |
new Object[]{name}); |
|
1551 |
} |
|
1552 |
} |
|
1553 |
||
1554 |
// internal entity |
|
1555 |
if (systemId == null) { |
|
20968 | 1556 |
scanEntityValue(name, isPEDecl, fLiteral, fLiteral2); |
12005 | 1557 |
// since we need it's value anyway, let's snag it so it doesn't get corrupted |
1558 |
// if a new load takes place before we store the entity values |
|
1559 |
fStringBuffer.clear(); |
|
1560 |
fStringBuffer2.clear(); |
|
1561 |
fStringBuffer.append(fLiteral.ch, fLiteral.offset, fLiteral.length); |
|
1562 |
fStringBuffer2.append(fLiteral2.ch, fLiteral2.offset, fLiteral2.length); |
|
1563 |
} |
|
1564 |
||
1565 |
// skip possible trailing space |
|
1566 |
skipSeparator(false, !scanningInternalSubset()); |
|
1567 |
||
1568 |
// end |
|
1569 |
if (!fEntityScanner.skipChar('>')) { |
|
1570 |
reportFatalError("EntityDeclUnterminated", new Object[]{name}); |
|
1571 |
} |
|
1572 |
fMarkUpDepth--; |
|
1573 |
||
1574 |
// register entity and make callback |
|
1575 |
if (isPEDecl) { |
|
1576 |
name = "%" + name; |
|
1577 |
} |
|
1578 |
if (systemId != null) { |
|
1579 |
String baseSystemId = fEntityScanner.getBaseSystemId(); |
|
1580 |
if (notation != null) { |
|
1581 |
fEntityStore.addUnparsedEntity(name, publicId, systemId, baseSystemId, notation); |
|
1582 |
} |
|
1583 |
else { |
|
1584 |
fEntityStore.addExternalEntity(name, publicId, systemId, |
|
1585 |
baseSystemId); |
|
1586 |
} |
|
1587 |
if (fDTDHandler != null) { |
|
1588 |
//Venu Revisit : why false has been removed in expandSYstem |
|
1589 |
fResourceIdentifier.setValues(publicId, systemId, baseSystemId, XMLEntityManager.expandSystemId(systemId, baseSystemId )); |
|
1590 |
||
1591 |
if (notation != null) { |
|
1592 |
fDTDHandler.unparsedEntityDecl(name, fResourceIdentifier, |
|
1593 |
notation, null); |
|
1594 |
} |
|
1595 |
else { |
|
1596 |
fDTDHandler.externalEntityDecl(name, fResourceIdentifier, null); |
|
1597 |
} |
|
1598 |
} |
|
1599 |
} |
|
1600 |
else { |
|
1601 |
fEntityStore.addInternalEntity(name, fStringBuffer.toString()); |
|
1602 |
if (fDTDHandler != null) { |
|
1603 |
fDTDHandler.internalEntityDecl(name, fStringBuffer, fStringBuffer2, null); |
|
1604 |
} |
|
1605 |
} |
|
1606 |
fReportEntity = true; |
|
1607 |
||
1608 |
} // scanEntityDecl() |
|
1609 |
||
1610 |
/** |
|
1611 |
* Scans an entity value. |
|
1612 |
* |
|
1613 |
* @param value The string to fill in with the value. |
|
1614 |
* @param nonNormalizedValue The string to fill in with the |
|
1615 |
* non-normalized value. |
|
1616 |
* |
|
1617 |
* <strong>Note:</strong> This method uses fString, fStringBuffer (through |
|
1618 |
* the use of scanCharReferenceValue), and fStringBuffer2, anything in them |
|
1619 |
* at the time of calling is lost. |
|
1620 |
*/ |
|
20968 | 1621 |
protected final void scanEntityValue(String entityName, boolean isPEDecl, XMLString value, |
12005 | 1622 |
XMLString nonNormalizedValue) |
1623 |
throws IOException, XNIException { |
|
1624 |
int quote = fEntityScanner.scanChar(); |
|
1625 |
if (quote != '\'' && quote != '"') { |
|
1626 |
reportFatalError("OpenQuoteMissingInDecl", null); |
|
1627 |
} |
|
1628 |
// store at which depth of entities we start |
|
1629 |
int entityDepth = fEntityDepth; |
|
1630 |
||
1631 |
XMLString literal = fString; |
|
1632 |
XMLString literal2 = fString; |
|
20968 | 1633 |
int countChar = 0; |
22418
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
1634 |
if (fLimitAnalyzer == null ) { |
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
1635 |
fLimitAnalyzer = new XMLLimitAnalyzer(); |
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
1636 |
} |
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
1637 |
fLimitAnalyzer.startEntity(entityName); |
20968 | 1638 |
|
12005 | 1639 |
if (fEntityScanner.scanLiteral(quote, fString) != quote) { |
1640 |
fStringBuffer.clear(); |
|
1641 |
fStringBuffer2.clear(); |
|
1642 |
do { |
|
20968 | 1643 |
if (isPEDecl && fLimitAnalyzer != null) { |
1644 |
checkLimit("%" + entityName, fString.length + countChar); |
|
1645 |
} |
|
1646 |
countChar = 0; |
|
12005 | 1647 |
fStringBuffer.append(fString); |
1648 |
fStringBuffer2.append(fString); |
|
1649 |
if (fEntityScanner.skipChar('&')) { |
|
1650 |
if (fEntityScanner.skipChar('#')) { |
|
1651 |
fStringBuffer2.append("&#"); |
|
1652 |
scanCharReferenceValue(fStringBuffer, fStringBuffer2); |
|
1653 |
} |
|
1654 |
else { |
|
1655 |
fStringBuffer.append('&'); |
|
1656 |
fStringBuffer2.append('&'); |
|
1657 |
String eName = fEntityScanner.scanName(); |
|
1658 |
if (eName == null) { |
|
1659 |
reportFatalError("NameRequiredInReference", |
|
1660 |
null); |
|
1661 |
} |
|
1662 |
else { |
|
1663 |
fStringBuffer.append(eName); |
|
1664 |
fStringBuffer2.append(eName); |
|
1665 |
} |
|
1666 |
if (!fEntityScanner.skipChar(';')) { |
|
1667 |
reportFatalError("SemicolonRequiredInReference", |
|
1668 |
new Object[]{eName}); |
|
1669 |
} |
|
1670 |
else { |
|
1671 |
fStringBuffer.append(';'); |
|
1672 |
fStringBuffer2.append(';'); |
|
1673 |
} |
|
1674 |
} |
|
1675 |
} |
|
1676 |
else if (fEntityScanner.skipChar('%')) { |
|
1677 |
while (true) { |
|
1678 |
fStringBuffer2.append('%'); |
|
1679 |
String peName = fEntityScanner.scanName(); |
|
1680 |
if (peName == null) { |
|
1681 |
reportFatalError("NameRequiredInPEReference", |
|
1682 |
null); |
|
1683 |
} |
|
1684 |
else if (!fEntityScanner.skipChar(';')) { |
|
1685 |
reportFatalError("SemicolonRequiredInPEReference", |
|
1686 |
new Object[]{peName}); |
|
1687 |
} |
|
1688 |
else { |
|
1689 |
if (scanningInternalSubset()) { |
|
1690 |
reportFatalError("PEReferenceWithinMarkup", |
|
1691 |
new Object[]{peName}); |
|
1692 |
} |
|
1693 |
fStringBuffer2.append(peName); |
|
1694 |
fStringBuffer2.append(';'); |
|
1695 |
} |
|
1696 |
startPE(peName, true); |
|
1697 |
// REVISIT: [Q] Why do we skip spaces here? -Ac |
|
1698 |
// REVISIT: This will make returning the non- |
|
1699 |
// normalized value harder. -Ac |
|
1700 |
fEntityScanner.skipSpaces(); |
|
1701 |
if (!fEntityScanner.skipChar('%')) |
|
1702 |
break; |
|
1703 |
} |
|
1704 |
} |
|
1705 |
else { |
|
20968 | 1706 |
countChar++; |
12005 | 1707 |
int c = fEntityScanner.peekChar(); |
1708 |
if (XMLChar.isHighSurrogate(c)) { |
|
1709 |
scanSurrogates(fStringBuffer2); |
|
1710 |
} |
|
1711 |
else if (isInvalidLiteral(c)) { |
|
1712 |
reportFatalError("InvalidCharInLiteral", |
|
1713 |
new Object[]{Integer.toHexString(c)}); |
|
1714 |
fEntityScanner.scanChar(); |
|
1715 |
} |
|
1716 |
// if it's not the delimiting quote or if it is but from a |
|
1717 |
// different entity than the one this literal started from, |
|
1718 |
// simply append the character to our buffer |
|
1719 |
else if (c != quote || entityDepth != fEntityDepth) { |
|
1720 |
fStringBuffer.append((char)c); |
|
1721 |
fStringBuffer2.append((char)c); |
|
1722 |
fEntityScanner.scanChar(); |
|
1723 |
} |
|
1724 |
} |
|
1725 |
} while (fEntityScanner.scanLiteral(quote, fString) != quote); |
|
1726 |
fStringBuffer.append(fString); |
|
1727 |
fStringBuffer2.append(fString); |
|
1728 |
literal = fStringBuffer; |
|
1729 |
literal2 = fStringBuffer2; |
|
20968 | 1730 |
} else { |
1731 |
if (isPEDecl) { |
|
1732 |
checkLimit("%" + entityName, literal); |
|
1733 |
} |
|
12005 | 1734 |
} |
1735 |
value.setValues(literal); |
|
1736 |
nonNormalizedValue.setValues(literal2); |
|
20968 | 1737 |
if (fLimitAnalyzer != null) { |
1738 |
fLimitAnalyzer.endEntity(XMLSecurityManager.Limit.PARAMETER_ENTITY_SIZE_LIMIT, entityName); |
|
1739 |
} |
|
1740 |
||
12005 | 1741 |
if (!fEntityScanner.skipChar(quote)) { |
1742 |
reportFatalError("CloseQuoteMissingInDecl", null); |
|
1743 |
} |
|
1744 |
} // scanEntityValue(XMLString,XMLString):void |
|
1745 |
||
1746 |
/** |
|
1747 |
* Scans a notation declaration |
|
1748 |
* <p> |
|
1749 |
* <pre> |
|
1750 |
* [82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID|PublicID) S? '>' |
|
1751 |
* [83] PublicID ::= 'PUBLIC' S PubidLiteral |
|
1752 |
* </pre> |
|
1753 |
* <p> |
|
1754 |
* <strong>Note:</strong> Called after scanning past '<!NOTATION' |
|
1755 |
*/ |
|
1756 |
private final void scanNotationDecl() throws IOException, XNIException { |
|
1757 |
||
1758 |
// spaces |
|
1759 |
fReportEntity = false; |
|
1760 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1761 |
reportFatalError("MSG_SPACE_REQUIRED_BEFORE_NOTATION_NAME_IN_NOTATIONDECL", |
|
1762 |
null); |
|
1763 |
} |
|
1764 |
||
1765 |
// notation name |
|
1766 |
String name = fEntityScanner.scanName(); |
|
1767 |
if (name == null) { |
|
1768 |
reportFatalError("MSG_NOTATION_NAME_REQUIRED_IN_NOTATIONDECL", |
|
1769 |
null); |
|
1770 |
} |
|
1771 |
||
1772 |
// spaces |
|
1773 |
if (!skipSeparator(true, !scanningInternalSubset())) { |
|
1774 |
reportFatalError("MSG_SPACE_REQUIRED_AFTER_NOTATION_NAME_IN_NOTATIONDECL", |
|
1775 |
new Object[]{name}); |
|
1776 |
} |
|
1777 |
||
1778 |
// external id |
|
1779 |
scanExternalID(fStrings, true); |
|
1780 |
String systemId = fStrings[0]; |
|
1781 |
String publicId = fStrings[1]; |
|
1782 |
String baseSystemId = fEntityScanner.getBaseSystemId(); |
|
1783 |
||
1784 |
if (systemId == null && publicId == null) { |
|
1785 |
reportFatalError("ExternalIDorPublicIDRequired", |
|
1786 |
new Object[]{name}); |
|
1787 |
} |
|
1788 |
||
1789 |
// skip possible trailing space |
|
1790 |
skipSeparator(false, !scanningInternalSubset()); |
|
1791 |
||
1792 |
// end |
|
1793 |
if (!fEntityScanner.skipChar('>')) { |
|
1794 |
reportFatalError("NotationDeclUnterminated", new Object[]{name}); |
|
1795 |
} |
|
1796 |
fMarkUpDepth--; |
|
1797 |
||
1798 |
fResourceIdentifier.setValues(publicId, systemId, baseSystemId, XMLEntityManager.expandSystemId(systemId, baseSystemId )); |
|
1799 |
if (nonValidatingMode) nvGrammarInfo.notationDecl(name, fResourceIdentifier, null); |
|
1800 |
// call handler |
|
1801 |
if (fDTDHandler != null) { |
|
1802 |
//Venu Revisit wby false has been removed. |
|
1803 |
//fResourceIdentifier.setValues(publicId, systemId, baseSystemId, XMLEntityManager.expandSystemId(systemId, baseSystemId, false)); |
|
1804 |
fDTDHandler.notationDecl(name, fResourceIdentifier, null); |
|
1805 |
} |
|
1806 |
fReportEntity = true; |
|
1807 |
||
1808 |
} // scanNotationDecl() |
|
1809 |
||
1810 |
/** |
|
1811 |
* Scans a conditional section. If it's a section to ignore the whole |
|
1812 |
* section gets scanned through and this method only returns after the |
|
1813 |
* closing bracket has been found. When it's an include section though, it |
|
1814 |
* returns to let the main loop take care of scanning it. In that case the |
|
1815 |
* end of the section if handled by the main loop (scanDecls). |
|
1816 |
* <p> |
|
1817 |
* <pre> |
|
1818 |
* [61] conditionalSect ::= includeSect | ignoreSect |
|
1819 |
* [62] includeSect ::= '<![' S? 'INCLUDE' S? '[' extSubsetDecl ']]>' |
|
1820 |
* [63] ignoreSect ::= '<![' S? 'IGNORE' S? '[' ignoreSectContents* ']]>' |
|
1821 |
* [64] ignoreSectContents ::= Ignore ('<![' ignoreSectContents ']]>' Ignore)* |
|
1822 |
* [65] Ignore ::= Char* - (Char* ('<![' | ']]>') Char*) |
|
1823 |
* </pre> |
|
1824 |
* <p> |
|
1825 |
* <strong>Note:</strong> Called after scanning past '<![' */ |
|
1826 |
private final void scanConditionalSect(int currPEDepth) |
|
1827 |
throws IOException, XNIException { |
|
1828 |
||
1829 |
fReportEntity = false; |
|
1830 |
skipSeparator(false, !scanningInternalSubset()); |
|
1831 |
||
1832 |
if (fEntityScanner.skipString("INCLUDE")) { |
|
1833 |
skipSeparator(false, !scanningInternalSubset()); |
|
1834 |
if(currPEDepth != fPEDepth && fValidation) { |
|
1835 |
fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN, |
|
1836 |
"INVALID_PE_IN_CONDITIONAL", |
|
1837 |
new Object[]{ fEntityManager.fCurrentEntity.name}, |
|
1838 |
XMLErrorReporter.SEVERITY_ERROR); |
|
1839 |
} |
|
1840 |
// call handler |
|
1841 |
if (!fEntityScanner.skipChar('[')) { |
|
1842 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", null); |
|
1843 |
} |
|
1844 |
||
1845 |
if (fDTDHandler != null) { |
|
1846 |
fDTDHandler.startConditional(XMLDTDHandler.CONDITIONAL_INCLUDE, |
|
1847 |
null); |
|
1848 |
} |
|
1849 |
fIncludeSectDepth++; |
|
1850 |
// just stop there and go back to the main loop |
|
1851 |
fReportEntity = true; |
|
1852 |
} |
|
1853 |
else if (fEntityScanner.skipString("IGNORE")) { |
|
1854 |
skipSeparator(false, !scanningInternalSubset()); |
|
1855 |
if(currPEDepth != fPEDepth && fValidation) { |
|
1856 |
fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN, |
|
1857 |
"INVALID_PE_IN_CONDITIONAL", |
|
1858 |
new Object[]{ fEntityManager.fCurrentEntity.name}, |
|
1859 |
XMLErrorReporter.SEVERITY_ERROR); |
|
1860 |
} |
|
1861 |
// call handler |
|
1862 |
if (fDTDHandler != null) { |
|
1863 |
fDTDHandler.startConditional(XMLDTDHandler.CONDITIONAL_IGNORE, |
|
1864 |
null); |
|
1865 |
} |
|
1866 |
if (!fEntityScanner.skipChar('[')) { |
|
1867 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", null); |
|
1868 |
} |
|
1869 |
fReportEntity = true; |
|
1870 |
int initialDepth = ++fIncludeSectDepth; |
|
1871 |
if (fDTDHandler != null) { |
|
1872 |
fIgnoreConditionalBuffer.clear(); |
|
1873 |
} |
|
1874 |
while (true) { |
|
1875 |
if (fEntityScanner.skipChar('<')) { |
|
1876 |
if (fDTDHandler != null) { |
|
1877 |
fIgnoreConditionalBuffer.append('<'); |
|
1878 |
} |
|
1879 |
// |
|
1880 |
// These tests are split so that we handle cases like |
|
1881 |
// '<<![' and '<!<![' which we might otherwise miss. |
|
1882 |
// |
|
1883 |
if (fEntityScanner.skipChar('!')) { |
|
1884 |
if(fEntityScanner.skipChar('[')) { |
|
1885 |
if (fDTDHandler != null) { |
|
1886 |
fIgnoreConditionalBuffer.append("!["); |
|
1887 |
} |
|
1888 |
fIncludeSectDepth++; |
|
1889 |
} else { |
|
1890 |
if (fDTDHandler != null) { |
|
1891 |
fIgnoreConditionalBuffer.append("!"); |
|
1892 |
} |
|
1893 |
} |
|
1894 |
} |
|
1895 |
} |
|
1896 |
else if (fEntityScanner.skipChar(']')) { |
|
1897 |
if (fDTDHandler != null) { |
|
1898 |
fIgnoreConditionalBuffer.append(']'); |
|
1899 |
} |
|
1900 |
// |
|
1901 |
// The same thing goes for ']<![' and '<]]>', etc. |
|
1902 |
// |
|
1903 |
if (fEntityScanner.skipChar(']')) { |
|
1904 |
if (fDTDHandler != null) { |
|
1905 |
fIgnoreConditionalBuffer.append(']'); |
|
1906 |
} |
|
1907 |
while (fEntityScanner.skipChar(']')) { |
|
1908 |
/* empty loop body */ |
|
1909 |
if (fDTDHandler != null) { |
|
1910 |
fIgnoreConditionalBuffer.append(']'); |
|
1911 |
} |
|
1912 |
} |
|
1913 |
if (fEntityScanner.skipChar('>')) { |
|
1914 |
if (fIncludeSectDepth-- == initialDepth) { |
|
1915 |
fMarkUpDepth--; |
|
1916 |
// call handler |
|
1917 |
if (fDTDHandler != null) { |
|
1918 |
fLiteral.setValues(fIgnoreConditionalBuffer.ch, 0, |
|
1919 |
fIgnoreConditionalBuffer.length - 2); |
|
1920 |
fDTDHandler.ignoredCharacters(fLiteral, null); |
|
1921 |
fDTDHandler.endConditional(null); |
|
1922 |
} |
|
1923 |
return; |
|
1924 |
} else if(fDTDHandler != null) { |
|
1925 |
fIgnoreConditionalBuffer.append('>'); |
|
1926 |
} |
|
1927 |
} |
|
1928 |
} |
|
1929 |
} |
|
1930 |
else { |
|
1931 |
int c = fEntityScanner.scanChar(); |
|
1932 |
if (fScannerState == SCANNER_STATE_END_OF_INPUT) { |
|
1933 |
reportFatalError("IgnoreSectUnterminated", null); |
|
1934 |
return; |
|
1935 |
} |
|
1936 |
if (fDTDHandler != null) { |
|
1937 |
fIgnoreConditionalBuffer.append((char)c); |
|
1938 |
} |
|
1939 |
} |
|
1940 |
} |
|
1941 |
} |
|
1942 |
else { |
|
1943 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", null); |
|
1944 |
} |
|
1945 |
||
1946 |
} // scanConditionalSect() |
|
1947 |
||
1948 |
/** |
|
1949 |
* Dispatch an XML "event". |
|
1950 |
* |
|
1951 |
* @param complete True if this method is intended to scan |
|
1952 |
* and dispatch as much as possible. |
|
1953 |
* |
|
1954 |
* @return True if there is more to scan. |
|
1955 |
* |
|
1956 |
* @throws IOException Thrown on i/o error. |
|
1957 |
* @throws XNIException Thrown on parse error. |
|
1958 |
* |
|
1959 |
*/ |
|
1960 |
protected final boolean scanDecls(boolean complete) |
|
1961 |
throws IOException, XNIException { |
|
1962 |
||
1963 |
skipSeparator(false, true); |
|
1964 |
boolean again = true; |
|
1965 |
//System.out.println("scanDecls"+fScannerState); |
|
1966 |
while (again && fScannerState == SCANNER_STATE_MARKUP_DECL) { |
|
1967 |
again = complete; |
|
1968 |
if (fEntityScanner.skipChar('<')) { |
|
1969 |
fMarkUpDepth++; |
|
1970 |
if (fEntityScanner.skipChar('?')) { |
|
1971 |
fStringBuffer.clear(); |
|
1972 |
scanPI(fStringBuffer); |
|
1973 |
fMarkUpDepth--; // we're done with this decl |
|
1974 |
} |
|
1975 |
else if (fEntityScanner.skipChar('!')) { |
|
1976 |
if (fEntityScanner.skipChar('-')) { |
|
1977 |
if (!fEntityScanner.skipChar('-')) { |
|
1978 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", |
|
1979 |
null); |
|
1980 |
} else { |
|
1981 |
scanComment(); |
|
1982 |
} |
|
1983 |
} |
|
1984 |
else if (fEntityScanner.skipString("ELEMENT")) { |
|
1985 |
scanElementDecl(); |
|
1986 |
} |
|
1987 |
else if (fEntityScanner.skipString("ATTLIST")) { |
|
1988 |
scanAttlistDecl(); |
|
1989 |
} |
|
1990 |
else if (fEntityScanner.skipString("ENTITY")) { |
|
1991 |
scanEntityDecl(); |
|
1992 |
} |
|
1993 |
else if (fEntityScanner.skipString("NOTATION")) { |
|
1994 |
scanNotationDecl(); |
|
1995 |
} |
|
1996 |
else if (fEntityScanner.skipChar('[') && |
|
1997 |
!scanningInternalSubset()) { |
|
1998 |
scanConditionalSect(fPEDepth); |
|
1999 |
} |
|
2000 |
else { |
|
2001 |
fMarkUpDepth--; |
|
2002 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", |
|
2003 |
null); |
|
2004 |
} |
|
2005 |
} |
|
2006 |
else { |
|
2007 |
fMarkUpDepth--; |
|
2008 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", null); |
|
2009 |
} |
|
2010 |
} |
|
2011 |
else if (fIncludeSectDepth > 0 && fEntityScanner.skipChar(']')) { |
|
2012 |
// end of conditional section? |
|
2013 |
if (!fEntityScanner.skipChar(']') |
|
2014 |
|| !fEntityScanner.skipChar('>')) { |
|
2015 |
reportFatalError("IncludeSectUnterminated", null); |
|
2016 |
} |
|
2017 |
// call handler |
|
2018 |
if (fDTDHandler != null) { |
|
2019 |
fDTDHandler.endConditional(null); |
|
2020 |
} |
|
2021 |
// decreaseMarkupDepth(); |
|
2022 |
fIncludeSectDepth--; |
|
2023 |
fMarkUpDepth--; |
|
2024 |
} |
|
2025 |
else if (scanningInternalSubset() && |
|
2026 |
fEntityScanner.peekChar() == ']') { |
|
2027 |
// this is the end of the internal subset, let's stop here |
|
2028 |
return false; |
|
2029 |
} |
|
2030 |
else if (fEntityScanner.skipSpaces()) { |
|
2031 |
// simply skip |
|
2032 |
} |
|
2033 |
else { |
|
2034 |
reportFatalError("MSG_MARKUP_NOT_RECOGNIZED_IN_DTD", null); |
|
2035 |
} |
|
2036 |
skipSeparator(false, true); |
|
2037 |
} |
|
2038 |
return fScannerState != SCANNER_STATE_END_OF_INPUT; |
|
2039 |
} |
|
2040 |
||
2041 |
/** |
|
2042 |
* Skip separator. This is typically just whitespace but it can also be one |
|
2043 |
* or more parameter entity references. |
|
2044 |
* <p> |
|
2045 |
* If there are some it "expands them" by calling the corresponding entity |
|
2046 |
* from the entity manager. |
|
2047 |
* <p> |
|
2048 |
* This is recursive and will process has many refs as possible. |
|
2049 |
* |
|
2050 |
* @param spaceRequired Specify whether some leading whitespace should be |
|
2051 |
* found |
|
2052 |
* @param lookForPERefs Specify whether parameter entity references should |
|
2053 |
* be looked for |
|
2054 |
* @return True if any leading whitespace was found or the end of a |
|
2055 |
* parameter entity was crossed. |
|
2056 |
*/ |
|
2057 |
private boolean skipSeparator(boolean spaceRequired, boolean lookForPERefs) |
|
2058 |
throws IOException, XNIException { |
|
2059 |
int depth = fPEDepth; |
|
2060 |
boolean sawSpace = fEntityScanner.skipSpaces(); |
|
2061 |
if (!lookForPERefs || !fEntityScanner.skipChar('%')) { |
|
2062 |
return !spaceRequired || sawSpace || (depth != fPEDepth); |
|
2063 |
} |
|
2064 |
while (true) { |
|
2065 |
String name = fEntityScanner.scanName(); |
|
2066 |
if (name == null) { |
|
2067 |
reportFatalError("NameRequiredInPEReference", null); |
|
2068 |
} |
|
2069 |
else if (!fEntityScanner.skipChar(';')) { |
|
2070 |
reportFatalError("SemicolonRequiredInPEReference", |
|
2071 |
new Object[]{name}); |
|
2072 |
} |
|
2073 |
startPE(name, false); |
|
2074 |
fEntityScanner.skipSpaces(); |
|
2075 |
if (!fEntityScanner.skipChar('%')) |
|
2076 |
return true; |
|
2077 |
} |
|
2078 |
} |
|
2079 |
||
2080 |
||
2081 |
/* |
|
2082 |
* Element Children Content Stack |
|
2083 |
*/ |
|
2084 |
private final void pushContentStack(int c) { |
|
2085 |
if (fContentStack.length == fContentDepth) { |
|
2086 |
int[] newStack = new int[fContentDepth * 2]; |
|
2087 |
System.arraycopy(fContentStack, 0, newStack, 0, fContentDepth); |
|
2088 |
fContentStack = newStack; |
|
2089 |
} |
|
2090 |
fContentStack[fContentDepth++] = c; |
|
2091 |
} |
|
2092 |
||
2093 |
private final int popContentStack() { |
|
2094 |
return fContentStack[--fContentDepth]; |
|
2095 |
} |
|
2096 |
||
2097 |
||
2098 |
/* |
|
2099 |
* Parameter Entity Stack |
|
2100 |
*/ |
|
2101 |
private final void pushPEStack(int depth, boolean report) { |
|
2102 |
if (fPEStack.length == fPEDepth) { |
|
2103 |
int[] newIntStack = new int[fPEDepth * 2]; |
|
2104 |
System.arraycopy(fPEStack, 0, newIntStack, 0, fPEDepth); |
|
2105 |
fPEStack = newIntStack; |
|
2106 |
// report end/start calls |
|
2107 |
boolean[] newBooleanStack = new boolean[fPEDepth * 2]; |
|
2108 |
System.arraycopy(fPEReport, 0, newBooleanStack, 0, fPEDepth); |
|
2109 |
fPEReport = newBooleanStack; |
|
2110 |
||
2111 |
} |
|
2112 |
fPEReport[fPEDepth] = report; |
|
2113 |
fPEStack[fPEDepth++] = depth; |
|
2114 |
} |
|
2115 |
||
2116 |
/** pop the stack */ |
|
2117 |
private final int popPEStack() { |
|
2118 |
return fPEStack[--fPEDepth]; |
|
2119 |
} |
|
2120 |
||
2121 |
/** look at the top of the stack */ |
|
2122 |
private final boolean peekReportEntity() { |
|
2123 |
return fPEReport[fPEDepth-1]; |
|
2124 |
} |
|
2125 |
||
2126 |
||
2127 |
/* |
|
2128 |
* Utility method |
|
2129 |
*/ |
|
2130 |
private final void ensureEnumerationSize(int size) { |
|
2131 |
if (fEnumeration.length == size) { |
|
2132 |
String[] newEnum = new String[size * 2]; |
|
2133 |
System.arraycopy(fEnumeration, 0, newEnum, 0, size); |
|
2134 |
fEnumeration = newEnum; |
|
2135 |
} |
|
2136 |
} |
|
2137 |
||
2138 |
// private methods |
|
2139 |
private void init() { |
|
2140 |
// reset state related data |
|
2141 |
fStartDTDCalled = false; |
|
2142 |
fExtEntityDepth = 0; |
|
2143 |
fIncludeSectDepth = 0; |
|
2144 |
fMarkUpDepth = 0; |
|
2145 |
fPEDepth = 0; |
|
2146 |
||
2147 |
fStandalone = false; |
|
2148 |
fSeenExternalDTD = false; |
|
2149 |
fSeenExternalPE = false; |
|
2150 |
||
2151 |
// set starting state |
|
2152 |
setScannerState(SCANNER_STATE_TEXT_DECL); |
|
2153 |
//new SymbolTable()); |
|
22418
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2154 |
|
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2155 |
fLimitAnalyzer = new XMLLimitAnalyzer(); |
12005 | 2156 |
} |
2157 |
||
20968 | 2158 |
/** |
2159 |
* Add the count of the content buffer and check if the accumulated |
|
2160 |
* value exceeds the limit |
|
2161 |
* @param entityName entity name |
|
2162 |
* @param buffer content buffer |
|
2163 |
*/ |
|
2164 |
private void checkLimit(String entityName, XMLString buffer) { |
|
2165 |
checkLimit(entityName, buffer.length); |
|
2166 |
} |
|
2167 |
||
2168 |
/** |
|
2169 |
* Add the count and check limit |
|
2170 |
* @param entityName entity name |
|
2171 |
* @param len length of the buffer |
|
2172 |
*/ |
|
2173 |
private void checkLimit(String entityName, int len) { |
|
2174 |
if (fLimitAnalyzer == null) { |
|
22418
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2175 |
fLimitAnalyzer = new XMLLimitAnalyzer(); |
20968 | 2176 |
} |
2177 |
fLimitAnalyzer.addValue(XMLSecurityManager.Limit.PARAMETER_ENTITY_SIZE_LIMIT, entityName, len); |
|
22418
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2178 |
if (fSecurityManager.isOverLimit(XMLSecurityManager.Limit.PARAMETER_ENTITY_SIZE_LIMIT, fLimitAnalyzer)) { |
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2179 |
fSecurityManager.debugPrint(fLimitAnalyzer); |
20968 | 2180 |
reportFatalError("MaxEntitySizeLimit", new Object[]{entityName, |
2181 |
fLimitAnalyzer.getValue(XMLSecurityManager.Limit.PARAMETER_ENTITY_SIZE_LIMIT), |
|
2182 |
fSecurityManager.getLimit(XMLSecurityManager.Limit.PARAMETER_ENTITY_SIZE_LIMIT), |
|
2183 |
fSecurityManager.getStateLiteral(XMLSecurityManager.Limit.PARAMETER_ENTITY_SIZE_LIMIT)}); |
|
2184 |
} |
|
22418
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2185 |
if (fSecurityManager.isOverLimit(XMLSecurityManager.Limit.TOTAL_ENTITY_SIZE_LIMIT, fLimitAnalyzer)) { |
1ee8fd0184d1
8028111: XML readers share the same entity expansion counter
joehw
parents:
22139
diff
changeset
|
2186 |
fSecurityManager.debugPrint(fLimitAnalyzer); |
20968 | 2187 |
reportFatalError("TotalEntitySizeLimit", |
2188 |
new Object[]{fLimitAnalyzer.getTotalValue(XMLSecurityManager.Limit.TOTAL_ENTITY_SIZE_LIMIT), |
|
2189 |
fSecurityManager.getLimit(XMLSecurityManager.Limit.TOTAL_ENTITY_SIZE_LIMIT), |
|
2190 |
fSecurityManager.getStateLiteral(XMLSecurityManager.Limit.TOTAL_ENTITY_SIZE_LIMIT)}); |
|
2191 |
} |
|
2192 |
||
2193 |
} |
|
2194 |
||
12005 | 2195 |
public DTDGrammar getGrammar(){ |
2196 |
return nvGrammarInfo; |
|
2197 |
} |
|
2198 |
||
2199 |
} // class XMLDTDScannerImpl |