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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/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <string.h>

#include "boost/static_assert.hpp"

#include <osl/interlck.h>
#include <rtl/alloc.h>
#include <rtl/tencinfo.h>
#include <rtl/instance.hxx>
#include <tools/string.hxx>

#include <impstrg.hxx>

#include <tools/debug.hxx>

DBG_NAME( UniString )

#define STRCODE         sal_Unicode
#define STRCODEU        sal_Unicode
#define STRING          UniString
#define STRINGDATA      UniStringData
#define STRING_TYPE     rtl_uString
#define STRING_ACQUIRE  rtl_uString_acquire
#define STRING_RELEASE  rtl_uString_release
#define STRING_NEW      rtl_uString_new

#include <strimp.cxx>
#include <strucvt.cxx>

StringCompare STRING::CompareTo( const STRING& rStr, xub_StrLen nLen ) const
{
    if ( mpData == rStr.mpData )
        return COMPARE_EQUAL;

    // determine maximal length
    if ( mpData->mnLen < nLen )
        nLen = static_cast< xub_StrLen >(mpData->mnLen+1);
    if ( rStr.mpData->mnLen < nLen )
        nLen = static_cast< xub_StrLen >(rStr.mpData->mnLen+1);

    sal_Int32 nCompare = ImplStringCompareWithoutZero( mpData->maStr, rStr.mpData->maStr, nLen );

    if ( nCompare == 0 )
        return COMPARE_EQUAL;
    else if ( nCompare < 0 )
        return COMPARE_LESS;
    else
        return COMPARE_GREATER;
}

sal_Bool operator==(const UniString& rStr1, const UniString& rStr2)
{
    if ( rStr1.mpData == rStr2.mpData )
        return sal_True;

    if ( rStr1.mpData->mnLen != rStr2.mpData->mnLen )
        return sal_False;

    return (ImplStringCompareWithoutZero( rStr1.mpData->maStr, rStr2.mpData->maStr, rStr1.mpData->mnLen ) == 0);
}

xub_StrLen ImplStringLen( const sal_Char* pStr )
{
    const sal_Char* pTempStr = pStr;
    while( *pTempStr )
        ++pTempStr;
    return (xub_StrLen)(pTempStr-pStr);
}

xub_StrLen ImplStringLen( const sal_Unicode* pStr )
{
    const sal_Unicode* pTempStr = pStr;
    while( *pTempStr )
        ++pTempStr;
    return (xub_StrLen)(pTempStr-pStr);
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */