122 lines
5.1 KiB
C++
122 lines
5.1 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 INCLUDED_SAX_FASTATTRIBS_HXX
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#define INCLUDED_SAX_FASTATTRIBS_HXX
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#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
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#include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
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#include <com/sun/star/xml/Attribute.hpp>
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#include <com/sun/star/xml/FastAttribute.hpp>
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#include <cppuhelper/implbase1.hxx>
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#include <sax/saxdllapi.h>
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#include <map>
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#include <vector>
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namespace sax_fastparser
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{
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struct UnknownAttribute
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{
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OUString maNamespaceURL;
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OString maName;
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OString maValue;
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UnknownAttribute( const OUString& rNamespaceURL, const OString& rName, const sal_Char* pValue );
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UnknownAttribute( const OString& rName, const sal_Char* pValue );
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void FillAttribute( ::com::sun::star::xml::Attribute* pAttrib ) const;
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};
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typedef std::vector< UnknownAttribute > UnknownAttributeList;
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/// A native C++ interface to tokenisation
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class SAX_DLLPUBLIC FastTokenHandlerBase
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{
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public:
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virtual ~FastTokenHandlerBase();
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virtual sal_Int32 getTokenDirect( const char *pToken, sal_Int32 nLength ) const = 0;
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};
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/// avoid constantly allocating and freeing sequences.
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class SAX_DLLPUBLIC FastTokenLookup
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{
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static const int mnUtf8BufferSize = 128;
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::css::uno::Sequence< sal_Int8 > maUtf8Buffer;
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public:
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FastTokenLookup();
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sal_Int32 getTokenFromChars(
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const ::css::uno::Reference< ::css::xml::sax::XFastTokenHandler > &mxTokenHandler,
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FastTokenHandlerBase *pTokenHandler,
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const char *pStr, size_t nLength = 0 );
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};
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class SAX_DLLPUBLIC FastAttributeList : public ::cppu::WeakImplHelper1< ::com::sun::star::xml::sax::XFastAttributeList >
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{
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public:
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FastAttributeList( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& xTokenHandler,
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FastTokenHandlerBase *pOptHandlerBase = NULL );
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virtual ~FastAttributeList();
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void clear();
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void add( sal_Int32 nToken, const sal_Char* pValue, size_t nValueLength = 0 );
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void add( sal_Int32 nToken, const OString& rValue );
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void addUnknown( const OUString& rNamespaceURL, const OString& rName, const sal_Char* pValue );
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void addUnknown( const OString& rName, const sal_Char* pValue );
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// performance sensitive shortcuts to avoid allocation ...
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bool getAsInteger( sal_Int32 nToken, sal_Int32 &rInt);
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bool getAsDouble( sal_Int32 nToken, double &rDouble);
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bool getAsChar( sal_Int32 nToken, const char*& rPos ) const;
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// XFastAttributeList
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virtual ::sal_Bool SAL_CALL hasAttribute( ::sal_Int32 Token ) throw (::com::sun::star::uno::RuntimeException);
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virtual ::sal_Int32 SAL_CALL getValueToken( ::sal_Int32 Token ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
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virtual ::sal_Int32 SAL_CALL getOptionalValueToken( ::sal_Int32 Token, ::sal_Int32 Default ) throw (::com::sun::star::uno::RuntimeException);
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virtual OUString SAL_CALL getValue( ::sal_Int32 Token ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
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virtual OUString SAL_CALL getOptionalValue( ::sal_Int32 Token ) throw (::com::sun::star::uno::RuntimeException);
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virtual ::com::sun::star::uno::Sequence< ::com::sun::star::xml::Attribute > SAL_CALL getUnknownAttributes( ) throw (::com::sun::star::uno::RuntimeException);
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virtual ::com::sun::star::uno::Sequence< ::com::sun::star::xml::FastAttribute > SAL_CALL getFastAttributes() throw (::com::sun::star::uno::RuntimeException);
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private:
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inline sal_Int32 AttributeValueLength(sal_Int32 i);
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private:
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sal_Char *mpChunk; ///< buffer to store all attribute values - null terminated strings
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sal_Int32 mnChunkLength; ///< size of allocated memory for mpChunk
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// maAttributeValues stores pointers, relative to mpChunk, for each attribute value string
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// length of the string is maAttributeValues[n+1] - maAttributeValues[n] - 1
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// maAttributeValues[0] == 0
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std::vector< sal_Int32 > maAttributeValues;
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std::vector< sal_Int32 > maAttributeTokens;
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UnknownAttributeList maUnknownAttributes;
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::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler > mxTokenHandler;
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FastTokenHandlerBase *mpTokenHandler;
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FastTokenLookup maTokenLookup;
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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