forked from amazingfate/loongoffice
73 lines
1.9 KiB
C++
73 lines
1.9 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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#ifndef INCLUDED_SVL_SHAREDSTRINGPOOL_HXX
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#define INCLUDED_SVL_SHAREDSTRINGPOOL_HXX
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#include <svl/sharedstring.hxx>
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#include <osl/mutex.hxx>
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#include <boost/unordered_map.hpp>
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#include <boost/unordered_set.hpp>
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class CharClass;
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namespace svl {
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/**
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* Storage for pool of shared strings. It also provides mapping from
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* original-cased strings to upper-cased strings for case insensitive
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* operations.
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*/
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class SVL_DLLPUBLIC SharedStringPool
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{
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typedef boost::unordered_set<OUString, OUStringHash> StrHashType;
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typedef std::pair<StrHashType::iterator, bool> InsertResultType;
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typedef boost::unordered_map<const rtl_uString*, OUString> StrStoreType;
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mutable osl::Mutex maMutex;
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StrHashType maStrPool;
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StrHashType maStrPoolUpper;
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StrStoreType maStrStore;
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const CharClass* mpCharClass;
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public:
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SharedStringPool( const CharClass* pCharClass );
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/**
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* Intern a string object into the shared string pool.
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*
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* @param rStr string object to intern.
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*
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* @return a pointer to the string object stored inside the pool, or NULL
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* if the insertion fails.
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*/
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SharedString intern( const OUString& rStr );
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/**
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* Go through all string objects in the pool, and clear those that are no
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* longer used outside of the pool.
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*/
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void purge();
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size_t getCount() const;
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size_t getCountIgnoreCase() const;
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private:
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InsertResultType findOrInsert( StrHashType& rPool, const OUString& rStr ) const;
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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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