162 lines
3.9 KiB
C++
162 lines
3.9 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_SHAREDSTRING_HXX
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#define INCLUDED_SVL_SHAREDSTRING_HXX
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#include <svl/svldllapi.h>
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#include <rtl/ustring.hxx>
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#include <utility>
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namespace svl {
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class SVL_DLLPUBLIC SharedString
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{
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rtl_uString* mpData = nullptr;
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rtl_uString* mpDataIgnoreCase = nullptr;
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public:
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static const SharedString & getEmptyString();
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static const OUString EMPTY_STRING;
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SharedString() = default;
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SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase );
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explicit SharedString( const OUString& rStr );
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SharedString( const SharedString& r );
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SharedString(SharedString&& r) noexcept;
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~SharedString();
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SharedString& operator= ( const SharedString& r );
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SharedString& operator=(SharedString&& r) noexcept;
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bool operator== ( const SharedString& r ) const;
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bool operator!= ( const SharedString& r ) const;
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const OUString & getString() const;
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const OUString & getIgnoreCaseString() const;
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rtl_uString* getData();
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const rtl_uString* getData() const;
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rtl_uString* getDataIgnoreCase();
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const rtl_uString* getDataIgnoreCase() const;
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bool isValid() const;
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bool isEmpty() const;
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sal_Int32 getLength() const;
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};
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inline SharedString::SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase ) :
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mpData(pData), mpDataIgnoreCase(pDataIgnoreCase)
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{
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if (mpData)
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rtl_uString_acquire(mpData);
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if (mpDataIgnoreCase)
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rtl_uString_acquire(mpDataIgnoreCase);
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}
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inline SharedString::SharedString( const OUString& rStr ) : mpData(rStr.pData)
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{
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rtl_uString_acquire(mpData);
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}
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inline SharedString::SharedString( const SharedString& r ) : mpData(r.mpData), mpDataIgnoreCase(r.mpDataIgnoreCase)
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{
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if (mpData)
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rtl_uString_acquire(mpData);
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if (mpDataIgnoreCase)
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rtl_uString_acquire(mpDataIgnoreCase);
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}
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inline SharedString::SharedString(SharedString&& r) noexcept
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: mpData(std::exchange(r.mpData, nullptr))
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, mpDataIgnoreCase(std::exchange(r.mpDataIgnoreCase, nullptr))
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{
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}
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inline SharedString::~SharedString()
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{
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if (mpData)
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rtl_uString_release(mpData);
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if (mpDataIgnoreCase)
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rtl_uString_release(mpDataIgnoreCase);
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}
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inline SharedString& SharedString::operator=(SharedString&& r) noexcept
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{
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// Having this inline helps Calc's mdds::multi_type_vector to do some operations
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// much faster.
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if (mpData)
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rtl_uString_release(mpData);
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if (mpDataIgnoreCase)
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rtl_uString_release(mpDataIgnoreCase);
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mpData = std::exchange(r.mpData, nullptr);
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mpDataIgnoreCase = std::exchange(r.mpDataIgnoreCase, nullptr);
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return *this;
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}
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inline bool SharedString::operator!= ( const SharedString& r ) const
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{
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return !operator== (r);
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}
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inline const OUString & SharedString::getString() const
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{
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return mpData ? OUString::unacquired(&mpData) : EMPTY_STRING;
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}
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inline const OUString & SharedString::getIgnoreCaseString() const
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{
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return mpDataIgnoreCase ? OUString::unacquired(&mpDataIgnoreCase) : EMPTY_STRING;
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}
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inline rtl_uString* SharedString::getData()
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{
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return mpData;
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}
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inline const rtl_uString* SharedString::getData() const
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{
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return mpData;
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}
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inline rtl_uString* SharedString::getDataIgnoreCase()
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{
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return mpDataIgnoreCase;
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}
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inline const rtl_uString* SharedString::getDataIgnoreCase() const
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{
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return mpDataIgnoreCase;
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}
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inline bool SharedString::isValid() const
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{
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return mpData != nullptr;
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}
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inline bool SharedString::isEmpty() const
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{
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return mpData == nullptr || mpData->length == 0;
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}
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inline sal_Int32 SharedString::getLength() const
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{
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return mpData ? mpData->length : 0;
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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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