DOMNormalizer.hpp
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上传日期:2013-06-25
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- #ifndef DOMNormalizer_HEADER_GUARD_
- #define DOMNormalizer_HEADER_GUARD_
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- //
- // This file is part of the internal implementation of the C++ XML DOM.
- // It should NOT be included or used directly by application programs.
- //
- // Applications should include the file <xercesc/dom/DOM.hpp> for the entire
- // DOM API, or xercesc/dom/DOM*.hpp for individual DOM classes, where the class
- // name is substituded for the *.
- //
- #include <xercesc/util/XercesDefs.hpp>
- #include <xercesc/util/RefHashTableOf.hpp>
- #include <xercesc/util/RefVectorOf.hpp>
- #include <xercesc/framework/XMLErrorCodes.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- class DOMConfigurationImpl;
- class DOMDocumentImpl;
- class DOMNode;
- class DOMElementImpl;
- class DOMAttr;
- class DOMNamedNodeMap;
- class DOMNormalizer : public XMemory {
- //the following are the data structures maintain the stack of namespace information
- class InScopeNamespaces : public XMemory {
- class Scope : public XMemory {
- public:
- Scope(Scope *baseScopeWithBindings);
- ~Scope();
- void addOrChangeBinding(const XMLCh *prefix, const XMLCh *uri,
- MemoryManager* const manager);
- const XMLCh* getUri(const XMLCh *prefix) const;
- const XMLCh* getPrefix(const XMLCh* uri) const;
- Scope *fBaseScopeWithBindings;
- private:
- RefHashTableOf<XMLCh> *fPrefixHash;
- RefHashTableOf<XMLCh> *fUriHash;
- };
- public:
- InScopeNamespaces(MemoryManager* const manager);
- ~InScopeNamespaces();
- void addOrChangeBinding(const XMLCh *prefix, const XMLCh *uri,
- MemoryManager* const manager);
- void addScope(MemoryManager* const manager);
- void removeScope();
- bool isValidBinding(const XMLCh* prefix, const XMLCh* uri) const;
- const XMLCh* getOrDeclarePrefix(const XMLCh* uri);
- const XMLCh* getPrefix(const XMLCh* uri) const;
- const XMLCh* getUri(const XMLCh* prefix) const;
- int size();
- private:
- RefVectorOf<Scope> *fScopes;
- Scope *lastScopeWithBindings;
- };
- public:
- DOMNormalizer(MemoryManager* const manager);
- ~DOMNormalizer();
- /**
- * Main entry method to normalize a document
- */
- void normalizeDocument(DOMDocumentImpl *doc);
- // -----------------------------------------------------------------------
- // Notification that lazy data has been deleted
- // -----------------------------------------------------------------------
- static void reinitNormalizerMutex();
- static void reinitMsgLoader();
- private:
- /**
- * Recursively normalizes a node
- */
- DOMNode * normalizeNode(DOMNode *node) const;
- /**
- * Helper method that fixes up the namespace declarations according to the
- * DOM Level 3 psydocode
- */
- void namespaceFixUp(DOMElementImpl *ele) const;
- /**
- * Converts an integer to an XMLCh - max 15 digits long.
- */
- const XMLCh * integerToXMLCh(unsigned int i) const;
- /**
- * Adds a namespace attribute or replaces the value of existing namespace
- * attribute with the given prefix and value for URI.
- * In case prefix is empty will add/update default namespace declaration.
- */
- void addOrChangeNamespaceDecl(const XMLCh* prefix, const XMLCh* uri, DOMElementImpl *element) const;
-
- /**
- * Adds a custom namespace in the form "NSx" where x is an integer that
- * has not yet used in the document
- */
- const XMLCh* addCustomNamespaceDecl(const XMLCh* uri, DOMElementImpl *element) const;
- /**
- * Report an error
- */
- void error(const XMLErrs::Codes code, const DOMNode *node) const;
- //
- // fDocument - the document we are operating on
- //
- // fDOMConfiguration - the configuration from the document
- //
- // fErrorHandler - the errorhandler to be used when reporting errors during normalization
- //
- // fNSScope - the data stucture that holds the prefix-uri information
- //
- // fNewNamespaceCount - the number of custom namespace declarations we have created
- //
- DOMDocumentImpl *fDocument;
- DOMConfigurationImpl *fConfiguration;
- DOMErrorHandler *fErrorHandler;
- InScopeNamespaces *fNSScope;
- unsigned int fNewNamespaceCount;
- MemoryManager* fMemoryManager;
- };
- XERCES_CPP_NAMESPACE_END
- #endif