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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SAX_FASTPARSER_HXX_
#define _SAX_FASTPARSER_HXX_
#include <vector>
#include <stack>
#include <hash_map>
#include <boost/shared_ptr.hpp>
#include <rtl/ref.hxx>
#include <com/sun/star/xml/sax/XFastParser.hpp>
#include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/implbase2.hxx>
#include <expat.h>
#include "xml2utf.hxx"
#include <sax/fastattribs.hxx>
#define PARSER_IMPLEMENTATION_NAME "com.sun.star.comp.extensions.xml.sax.FastParser"
#define PARSER_SERVICE_NAME "com.sun.star.xml.sax.FastParser"
namespace sax_fastparser {
class FastLocatorImpl;
struct NamespaceDefine;
struct SaxContextImpl;
typedef ::boost::shared_ptr< SaxContextImpl > SaxContextImplPtr;
typedef ::boost::shared_ptr< NamespaceDefine > NamespaceDefineRef;
typedef ::std::hash_map< ::rtl::OUString, sal_Int32,
::rtl::OUStringHash, ::std::equal_to< ::rtl::OUString > > NamespaceMap;
// --------------------------------------------------------------------
struct ParserData
{
::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastDocumentHandler > mxDocumentHandler;
::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler > mxTokenHandler;
::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XErrorHandler > mxErrorHandler;
::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XEntityResolver > mxEntityResolver;
::com::sun::star::lang::Locale maLocale;
ParserData();
~ParserData();
};
// --------------------------------------------------------------------
// Entity binds all information needed for a single file
struct Entity : public ParserData
{
::com::sun::star::xml::sax::InputSource maStructSource;
XML_Parser mpParser;
::sax_expatwrap::XMLFile2UTFConverter maConverter;
::rtl::Reference< FastAttributeList > mxAttributes;
// Exceptions cannot be thrown through the C-XmlParser (possible resource leaks),
// therefore the exception must be saved somewhere.
::com::sun::star::uno::Any maSavedException;
::std::stack< SaxContextImplPtr > maContextStack;
::std::vector< NamespaceDefineRef > maNamespaceDefines;
explicit Entity( const ParserData& rData );
~Entity();
};
// --------------------------------------------------------------------
// This class implements the external Parser interface
class FastSaxParser : public ::cppu::WeakImplHelper2< ::com::sun::star::xml::sax::XFastParser, ::com::sun::star::lang::XServiceInfo >
{
public:
FastSaxParser();
virtual ~FastSaxParser();
// The implementation details
static ::com::sun::star::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_Static(void);
// XFastParser
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);
virtual void SAL_CALL setFastDocumentHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastDocumentHandler >& Handler ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setTokenHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& Handler ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL registerNamespace( const ::rtl::OUString& NamespaceURL, sal_Int32 NamespaceToken ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setErrorHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XErrorHandler >& Handler ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setEntityResolver( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XEntityResolver >& Resolver ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL setLocale( const ::com::sun::star::lang::Locale& rLocale ) throw (::com::sun::star::uno::RuntimeException);
// XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException);
// called by the C callbacks of the expat parser
void callbackStartElement( const XML_Char* name, const XML_Char** atts );
void callbackEndElement( const XML_Char* name );
void callbackCharacters( const XML_Char* s, int nLen );
int callbackExternalEntityRef( XML_Parser parser, const XML_Char *openEntityNames, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId);
inline void pushEntity( const Entity& rEntity ) { maEntities.push( rEntity ); }
inline void popEntity() { maEntities.pop(); }
Entity& getEntity() { return maEntities.top(); }
private:
void parse();
sal_Int32 GetToken( const ::rtl::OString& rToken );
sal_Int32 GetToken( const sal_Char* pToken, sal_Int32 nTokenLen = 0 );
sal_Int32 GetTokenWithPrefix( const ::rtl::OString& rPrefix, const ::rtl::OString& rName ) throw (::com::sun::star::xml::sax::SAXException);
sal_Int32 GetTokenWithPrefix( const sal_Char*pPrefix, int nPrefixLen, const sal_Char* pName, int nNameLen ) throw (::com::sun::star::xml::sax::SAXException);
::rtl::OUString GetNamespaceURL( const ::rtl::OString& rPrefix ) throw (::com::sun::star::xml::sax::SAXException);
::rtl::OUString GetNamespaceURL( const sal_Char*pPrefix, int nPrefixLen ) throw (::com::sun::star::xml::sax::SAXException);
sal_Int32 GetNamespaceToken( const ::rtl::OUString& rNamespaceURL );
sal_Int32 GetTokenWithNamespaceURL( const ::rtl::OUString& rNamespaceURL, const sal_Char* pName, int nNameLen );
void DefineNamespace( const ::rtl::OString& rPrefix, const sal_Char* pNamespaceURL );
sal_Int32 CreateCustomToken( const sal_Char* pToken, int len = 0 );
void pushContext();
void popContext();
void splitName( const XML_Char *pwName, const XML_Char *&rpPrefix, sal_Int32 &rPrefixLen, const XML_Char *&rpName, sal_Int32 &rNameLen );
private:
::osl::Mutex maMutex;
::rtl::Reference< FastLocatorImpl > mxDocumentLocator;
NamespaceMap maNamespaceMap;
ParserData maData; /// Cached parser configuration for next call of parseStream().
::std::stack< Entity > maEntities; /// Entity stack for each call of parseStream().
};
}
#endif // _SAX_FASTPARSER_HXX_
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