163 lines
8.2 KiB
C++
163 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _SAX_FASTPARSER_HXX_
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#define _SAX_FASTPARSER_HXX_
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#include <vector>
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#include <stack>
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#include <boost/unordered_map.hpp>
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#include <boost/shared_ptr.hpp>
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#include <rtl/ref.hxx>
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#include <com/sun/star/xml/sax/XFastParser.hpp>
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#include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
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#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <cppuhelper/implbase2.hxx>
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#include <expat.h>
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#include "xml2utf.hxx"
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#include <sax/fastattribs.hxx>
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#define PARSER_IMPLEMENTATION_NAME "com.sun.star.comp.extensions.xml.sax.FastParser"
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#define PARSER_SERVICE_NAME "com.sun.star.xml.sax.FastParser"
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namespace sax_fastparser {
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class FastLocatorImpl;
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struct NamespaceDefine;
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struct SaxContextImpl;
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typedef ::boost::shared_ptr< SaxContextImpl > SaxContextImplPtr;
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typedef ::boost::shared_ptr< NamespaceDefine > NamespaceDefineRef;
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typedef ::boost::unordered_map< ::rtl::OUString, sal_Int32,
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::rtl::OUStringHash, ::std::equal_to< ::rtl::OUString > > NamespaceMap;
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// --------------------------------------------------------------------
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struct ParserData
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{
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::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastDocumentHandler > mxDocumentHandler;
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::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler > mxTokenHandler;
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::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XErrorHandler > mxErrorHandler;
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::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XEntityResolver > mxEntityResolver;
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::com::sun::star::lang::Locale maLocale;
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ParserData();
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~ParserData();
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};
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// --------------------------------------------------------------------
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// Entity binds all information needed for a single file
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struct Entity : public ParserData
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{
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::com::sun::star::xml::sax::InputSource maStructSource;
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XML_Parser mpParser;
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::sax_expatwrap::XMLFile2UTFConverter maConverter;
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::rtl::Reference< FastAttributeList > mxAttributes;
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// Exceptions cannot be thrown through the C-XmlParser (possible resource leaks),
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// therefore the exception must be saved somewhere.
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::com::sun::star::uno::Any maSavedException;
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::std::stack< SaxContextImplPtr > maContextStack;
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::std::vector< NamespaceDefineRef > maNamespaceDefines;
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explicit Entity( const ParserData& rData );
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~Entity();
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};
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// --------------------------------------------------------------------
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// This class implements the external Parser interface
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class FastSaxParser : public ::cppu::WeakImplHelper2< ::com::sun::star::xml::sax::XFastParser, ::com::sun::star::lang::XServiceInfo >
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{
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public:
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FastSaxParser();
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virtual ~FastSaxParser();
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// The implementation details
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static ::com::sun::star::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_Static(void);
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// XFastParser
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virtual void SAL_CALL parseStream( const ::com::sun::star::xml::sax::InputSource& aInputSource ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL setFastDocumentHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastDocumentHandler >& Handler ) throw (::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL setTokenHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& Handler ) throw (::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL registerNamespace( const ::rtl::OUString& NamespaceURL, sal_Int32 NamespaceToken ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
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virtual ::rtl::OUString SAL_CALL getNamespaceURL( const ::rtl::OUString& rPrefix ) throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL setErrorHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XErrorHandler >& Handler ) throw (::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL setEntityResolver( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XEntityResolver >& Resolver ) throw (::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL setLocale( const ::com::sun::star::lang::Locale& rLocale ) throw (::com::sun::star::uno::RuntimeException);
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// XServiceInfo
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virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException);
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virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
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virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException);
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// called by the C callbacks of the expat parser
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void callbackStartElement( const XML_Char* name, const XML_Char** atts );
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void callbackEndElement( const XML_Char* name );
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void callbackCharacters( const XML_Char* s, int nLen );
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int callbackExternalEntityRef( XML_Parser parser, const XML_Char *openEntityNames, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId);
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void callbackEntityDecl(const XML_Char *entityName, int is_parameter_entity,
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const XML_Char *value, int value_length, const XML_Char *base,
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const XML_Char *systemId, const XML_Char *publicId,
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const XML_Char *notationName);
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inline void pushEntity( const Entity& rEntity ) { maEntities.push( rEntity ); }
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inline void popEntity() { maEntities.pop(); }
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Entity& getEntity() { return maEntities.top(); }
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private:
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void parse();
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sal_Int32 GetToken( const ::rtl::OString& rToken );
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sal_Int32 GetToken( const sal_Char* pToken, sal_Int32 nTokenLen = 0 );
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sal_Int32 GetTokenWithPrefix( const ::rtl::OString& rPrefix, const ::rtl::OString& rName ) throw (::com::sun::star::xml::sax::SAXException);
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sal_Int32 GetTokenWithPrefix( const sal_Char*pPrefix, int nPrefixLen, const sal_Char* pName, int nNameLen ) throw (::com::sun::star::xml::sax::SAXException);
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::rtl::OUString GetNamespaceURL( const ::rtl::OString& rPrefix ) throw (::com::sun::star::xml::sax::SAXException);
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::rtl::OUString GetNamespaceURL( const sal_Char*pPrefix, int nPrefixLen ) throw (::com::sun::star::xml::sax::SAXException);
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sal_Int32 GetNamespaceToken( const ::rtl::OUString& rNamespaceURL );
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sal_Int32 GetTokenWithNamespaceURL( const ::rtl::OUString& rNamespaceURL, const sal_Char* pName, int nNameLen );
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void DefineNamespace( const ::rtl::OString& rPrefix, const sal_Char* pNamespaceURL );
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sal_Int32 CreateCustomToken( const sal_Char* pToken, int len = 0 );
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void pushContext();
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void popContext();
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void splitName( const XML_Char *pwName, const XML_Char *&rpPrefix, sal_Int32 &rPrefixLen, const XML_Char *&rpName, sal_Int32 &rNameLen );
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private:
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::osl::Mutex maMutex;
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::rtl::Reference< FastLocatorImpl > mxDocumentLocator;
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NamespaceMap maNamespaceMap;
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ParserData maData; /// Cached parser configuration for next call of parseStream().
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::std::stack< Entity > maEntities; /// Entity stack for each call of parseStream().
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};
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}
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#endif // _SAX_FASTPARSER_HXX_
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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