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/* -*- 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/.
*/
#ifndef INCLUDED_SVL_SHAREDSTRINGPOOL_HXX
#define INCLUDED_SVL_SHAREDSTRINGPOOL_HXX
#include <svl/svldllapi.h>
#include <rtl/ustring.hxx>
#include <memory>
class CharClass;
namespace svl
{
class SharedString;
/**
* Storage for pool of shared strings. It also provides mapping from
* original-cased strings to upper-cased strings for case insensitive
* operations.
*/
class SVL_DLLPUBLIC SharedStringPool
{
struct Impl;
std::unique_ptr<Impl> mpImpl;
SharedStringPool(const SharedStringPool&) = delete;
SharedStringPool& operator=(const SharedStringPool&) = delete;
public:
SharedStringPool(const CharClass& rCharClass);
~SharedStringPool();
/**
* Intern a string object into the shared string pool.
*
* @param rStr string object to intern.
*
* @return a pointer to the string object stored inside the pool, or NULL
* if the insertion fails.
*/
SharedString intern(const OUString& rStr);
/**
* Go through all string objects in the pool, and clear those that are no
* longer used outside of the pool.
*/
void purge();
// For unit tests. Note that an "empty" pool may contain some internal items,
// such as SharedString::getEmptyString().
size_t getCount() const;
size_t getCountIgnoreCase() const;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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