117 lines
3.9 KiB
C++
117 lines
3.9 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_XMLHELP_SOURCE_CXXHELP_PROVIDER_DB_HXX
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#define INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_DB_HXX
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#include <com/sun/star/ucb/XSimpleFileAccess3.hpp>
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#include <comphelper/fileurl.hxx>
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#include <osl/diagnose.h>
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#include <rtl/string.hxx>
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#include <unordered_map>
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namespace helpdatafileproxy {
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namespace hdf_internal
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{
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class Noncopyable
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{
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Noncopyable(const Noncopyable&) SAL_DELETED_FUNCTION;
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void operator=(const Noncopyable&) SAL_DELETED_FUNCTION;
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protected:
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Noncopyable() {}
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~Noncopyable() {}
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};
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}
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class HDFData
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{
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friend class Hdf;
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int m_nSize;
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char* m_pBuffer;
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void copyToBuffer( const char* pSrcData, int nSize );
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public:
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HDFData()
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: m_nSize( 0 )
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, m_pBuffer( NULL )
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{}
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~HDFData()
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{ delete [] m_pBuffer; }
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int getSize() const
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{ return m_nSize; }
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const char* getData() const
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{ return m_pBuffer; }
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};
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typedef std::unordered_map< OString,std::pair<int,int>,OStringHash > StringToValPosMap;
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typedef std::unordered_map< OString,OString,OStringHash > StringToDataMap;
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class Hdf : hdf_internal::Noncopyable
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{
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OUString m_aFileURL;
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StringToDataMap* m_pStringToDataMap;
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StringToValPosMap* m_pStringToValPosMap;
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com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess3 >
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m_xSFA;
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com::sun::star::uno::Sequence< sal_Int8 >
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m_aItData;
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const char* m_pItData;
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int m_nItRead;
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int m_iItPos;
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static bool implReadLenAndData( const char* pData, int& riPos, HDFData& rValue );
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public:
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//HDFHelp must get a fileURL which can then directly be used by simple file access.
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//SimpleFileAccess requires file URLs as arguments. Passing file path may work but fails
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//for example when using long file paths on Windows, which start with "\\?\"
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Hdf( const OUString& rFileURL,
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com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess3 > xSFA )
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: m_aFileURL( rFileURL )
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, m_pStringToDataMap( NULL )
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, m_pStringToValPosMap( NULL )
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, m_xSFA( xSFA )
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, m_pItData( NULL )
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, m_nItRead( -1 )
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, m_iItPos( -1 )
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{
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OSL_ASSERT(comphelper::isFileUrl(rFileURL));
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}
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~Hdf()
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{ releaseHashMap(); }
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void createHashMap( bool bOptimizeForPerformance = false );
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void releaseHashMap();
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bool getValueForKey( const OString& rKey, HDFData& rValue );
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bool startIteration();
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bool getNextKeyAndValue( HDFData& rKey, HDFData& rValue );
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void stopIteration();
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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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