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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/.
*/
#include <svl/sharedstring.hxx>
namespace svl {
SharedString SharedString::getEmptyString()
{
// unicode string array for empty string is globally shared in OUString.
// Let's take advantage of that.
rtl_uString* pData = NULL;
rtl_uString_new(&pData);
return SharedString(pData, pData);
}
SharedString::SharedString() : mpData(NULL), mpDataIgnoreCase(NULL) {}
SharedString::SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase ) :
mpData(pData), mpDataIgnoreCase(pDataIgnoreCase)
{
if (mpData)
rtl_uString_acquire(mpData);
if (mpDataIgnoreCase)
rtl_uString_acquire(mpDataIgnoreCase);
}
SharedString::SharedString( const OUString& rStr ) : mpData(rStr.pData), mpDataIgnoreCase(NULL)
{
rtl_uString_acquire(mpData);
}
SharedString::SharedString( const SharedString& r ) : mpData(r.mpData), mpDataIgnoreCase(r.mpDataIgnoreCase)
{
if (mpData)
rtl_uString_acquire(mpData);
if (mpDataIgnoreCase)
rtl_uString_acquire(mpDataIgnoreCase);
}
SharedString::~SharedString()
{
if (mpData)
rtl_uString_release(mpData);
if (mpDataIgnoreCase)
rtl_uString_release(mpDataIgnoreCase);
}
SharedString& SharedString::operator= ( const SharedString& r )
{
if (mpData)
rtl_uString_release(mpData);
if (mpDataIgnoreCase)
rtl_uString_release(mpDataIgnoreCase);
mpData = r.mpData;
mpDataIgnoreCase = r.mpDataIgnoreCase;
if (mpData)
rtl_uString_acquire(mpData);
if (mpDataIgnoreCase)
rtl_uString_acquire(mpDataIgnoreCase);
return *this;
}
bool SharedString::operator== ( const SharedString& r ) const
{
// Only compare case sensitive strings.
if (mpData == r.mpData)
return true;
if (mpData)
{
if (!r.mpData)
return false;
if (mpData->length != r.mpData->length)
return false;
return rtl_ustr_reverseCompare_WithLength(mpData->buffer, mpData->length, r.mpData->buffer, r.mpData->length) == 0;
}
return !r.mpData;
}
bool SharedString::operator!= ( const SharedString& r ) const
{
return !operator== (r);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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