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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /xmlhelp/source/cxxhelp/provider/db.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | xmlhelp/source/cxxhelp/provider/db.hxx | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/xmlhelp/source/cxxhelp/provider/db.hxx b/xmlhelp/source/cxxhelp/provider/db.hxx new file mode 100644 index 000000000..607b987ff --- /dev/null +++ b/xmlhelp/source/cxxhelp/provider/db.hxx @@ -0,0 +1,100 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#ifndef INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_DB_HXX +#define INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_DB_HXX + +#include <com/sun/star/ucb/XSimpleFileAccess3.hpp> +#include <comphelper/fileurl.hxx> +#include <osl/diagnose.h> +#include <rtl/string.hxx> +#include <memory> +#include <unordered_map> + +namespace helpdatafileproxy { + + class HDFData + { + friend class Hdf; + + int m_nSize; + std::unique_ptr<char[]> m_pBuffer; + + void copyToBuffer( const char* pSrcData, int nSize ); + + public: + HDFData() : m_nSize( 0 ) {} + + int getSize() const + { return m_nSize; } + const char* getData() const + { return m_pBuffer.get(); } + }; + + typedef std::unordered_map< OString,std::pair<int,int> > StringToValPosMap; + typedef std::unordered_map< OString,OString > StringToDataMap; + + class Hdf + { + OUString m_aFileURL; + std::unique_ptr<StringToDataMap> m_pStringToDataMap; + std::unique_ptr<StringToValPosMap> m_pStringToValPosMap; + css::uno::Reference< css::ucb::XSimpleFileAccess3 > + m_xSFA; + + css::uno::Sequence< sal_Int8 > + m_aItData; + const char* m_pItData; + int m_nItRead; + int m_iItPos; + + static bool implReadLenAndData( const char* pData, int& riPos, HDFData& rValue ); + + public: + //HDFHelp must get a fileURL which can then directly be used by simple file access. + //SimpleFileAccess requires file URLs as arguments. Passing file path may work but fails + //for example when using long file paths on Windows, which start with "\\?\" + Hdf( const OUString& rFileURL, + css::uno::Reference< css::ucb::XSimpleFileAccess3 > const & xSFA ) + : m_aFileURL( rFileURL ) + , m_xSFA( xSFA ) + , m_pItData( nullptr ) + , m_nItRead( -1 ) + , m_iItPos( -1 ) + { + OSL_ASSERT(comphelper::isFileUrl(rFileURL)); + } + ~Hdf(); + + void createHashMap( bool bOptimizeForPerformance ); + void releaseHashMap(); + + bool getValueForKey( const OString& rKey, HDFData& rValue ); + + bool startIteration(); + bool getNextKeyAndValue( HDFData& rKey, HDFData& rValue ); + void stopIteration(); + Hdf(const Hdf&) = delete; + void operator=(const Hdf&) = delete; + }; + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |