7be675cdfa
specifically, use boost::hash_combine to combine values in hash functions, except for a couple of places where I use the small-prime-number strategy popular in the Java world, to avoid including boost in header files that are widely shared. Change-Id: I0e184c9ec8803bf09fc6e84fe20131b203e1652a Reviewed-on: https://gerrit.libreoffice.org/70384 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
105 lines
3.3 KiB
C++
105 lines
3.3 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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#include <rtl/ustring.hxx>
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#include <xmloff/xmltkmap.hxx>
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#include <xmloff/xmltoken.hxx>
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#include <boost/functional/hash.hpp>
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#include <unordered_map>
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#include <utility>
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using namespace ::xmloff::token;
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class SvXMLTokenMap_Impl
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{
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private:
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struct PairHash
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{
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std::size_t operator()(const std::pair<sal_uInt16,OUString> &pair) const
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{
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std::size_t seed = 0;
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boost::hash_combine(seed, pair.first);
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boost::hash_combine(seed, pair.second.hashCode());
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return seed;
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}
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};
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std::unordered_map< std::pair<sal_uInt16, OUString>,
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sal_uInt16, PairHash> m_aPrefixAndNameToTokenMap;
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std::unordered_map< sal_Int32, sal_uInt16> m_aFastTokenToTokenMap;
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public:
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void insert( const SvXMLTokenMapEntry& rEntry );
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sal_uInt16 get( sal_uInt16 nKeyPrefix, const OUString& rLName ) const;
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sal_uInt16 get( sal_Int32 nFastTok ) const;
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};
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void SvXMLTokenMap_Impl::insert( const SvXMLTokenMapEntry& rEntry )
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{
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m_aPrefixAndNameToTokenMap.insert( std::make_pair( std::make_pair( rEntry.nPrefixKey,
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GetXMLToken( rEntry.eLocalName ) ), rEntry.nToken ) );
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if( rEntry.nFastToken )
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m_aFastTokenToTokenMap.insert( std::make_pair( rEntry.nFastToken, rEntry.nToken ) );
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}
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sal_uInt16 SvXMLTokenMap_Impl::get( sal_uInt16 nKeyPrefix, const OUString& rLName ) const
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{
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auto aIter( m_aPrefixAndNameToTokenMap.find( std::make_pair( nKeyPrefix, rLName ) ) );
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if ( aIter != m_aPrefixAndNameToTokenMap.end() )
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return (*aIter).second;
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else
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return XML_TOK_UNKNOWN;
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}
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sal_uInt16 SvXMLTokenMap_Impl::get( sal_Int32 nFastTok ) const
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{
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auto aIter( m_aFastTokenToTokenMap.find( nFastTok ) );
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if ( aIter != m_aFastTokenToTokenMap.end() )
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return (*aIter).second;
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else
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return XML_TOK_UNKNOWN;
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}
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SvXMLTokenMap::SvXMLTokenMap( const SvXMLTokenMapEntry *pMap )
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: m_pImpl( new SvXMLTokenMap_Impl )
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{
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while( pMap->eLocalName != XML_TOKEN_INVALID )
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{
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m_pImpl->insert( *pMap );
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pMap++;
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}
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}
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SvXMLTokenMap::~SvXMLTokenMap()
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{
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}
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sal_uInt16 SvXMLTokenMap::Get( sal_uInt16 nKeyPrefix,
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const OUString& rLName ) const
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{
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return m_pImpl->get( nKeyPrefix, rLName );
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}
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sal_uInt16 SvXMLTokenMap::Get( sal_Int32 nFastTok ) const
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{
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return m_pImpl->get( nFastTok );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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