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Diffstat (limited to 'include/svl/sharedstringpool.hxx')
-rw-r--r-- | include/svl/sharedstringpool.hxx | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/svl/sharedstringpool.hxx b/include/svl/sharedstringpool.hxx new file mode 100644 index 0000000000..6880fec2a1 --- /dev/null +++ b/include/svl/sharedstringpool.hxx @@ -0,0 +1,65 @@ +/* -*- 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: */ |