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libreoffice/fpicker/source/win32/WinImplHelper.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

155 lines
4.7 KiB
C++

/* -*- 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 "WinImplHelper.hxx"
#include <vector>
#include <osl/diagnose.h>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/uno/Sequence.hxx>
const sal_Unicode TILDE_SIGN = L'~';
const sal_Unicode AMPERSAND_SIGN = L'&';
// OS NAME Platform Major Minor
// Windows NT 3.51 VER_PLATFORM_WIN32_NT 3 51
// Windows NT 4.0 VER_PLATFORM_WIN32_NT 4 0
// Windows 2000 VER_PLATFORM_WIN32_NT 5 0
// Windows XP VER_PLATFORM_WIN32_NT 5 1
// Windows Vista VER_PLATFORM_WIN32_NT 6 0
// Windows 7 VER_PLATFORM_WIN32_NT 6 1
// Windows 95 VER_PLATFORM_WIN32_WINDOWS 4 0
// Windows 98 VER_PLATFORM_WIN32_WINDOWS 4 10
// Windows ME VER_PLATFORM_WIN32_WINDOWS 4 90
static void Replace( const OUString& aLabel, sal_Unicode OldChar, sal_Unicode NewChar, OUStringBuffer& aBuffer )
{
OSL_ASSERT( aLabel.getLength( ) );
OSL_ASSERT( aBuffer.getCapacity( ) >= (aLabel.getLength( )) );
sal_Int32 i = 0;
const sal_Unicode* pCurrent = aLabel.getStr( );
const sal_Unicode* pNext = aLabel.getStr( ) + 1;
const sal_Unicode* pEnd = aLabel.getStr( ) + aLabel.getLength( );
while( pCurrent < pEnd )
{
OSL_ASSERT( pNext <= pEnd );
OSL_ASSERT( (i >= 0) && (i < aBuffer.getCapacity( )) );
if ( OldChar == *pCurrent )
{
if ( OldChar == *pNext )
{
// two OldChars in line will
// be replaced by one
// e.g. ~~ -> ~
aBuffer.insert( i, *pCurrent );
// skip the next one
pCurrent++;
pNext++;
}
else
{
// one OldChar will be replace
// by NexChar
aBuffer.insert( i, NewChar );
}
}
else if ( *pCurrent == NewChar )
{
// a NewChar will be replaced by
// two NewChars
// e.g. & -> &&
aBuffer.insert( i++, *pCurrent );
aBuffer.insert( i, *pCurrent );
}
else
{
aBuffer.insert( i, *pCurrent );
}
pCurrent++;
pNext++;
i++;
}
}
// converts a soffice label to a windows label
// the following rules for character replacements
// will be done:
// '~' -> '&'
// '~~' -> '~'
// '&' -> '&&'
OUString SOfficeToWindowsLabel( const OUString& aSOLabel )
{
OUString aWinLabel = aSOLabel;
if ( (aWinLabel.indexOf( TILDE_SIGN ) > -1) || (aWinLabel.indexOf( AMPERSAND_SIGN ) > -1) )
{
sal_Int32 nStrLen = aWinLabel.getLength( );
// in the worst case the new string is
// doubled in length, maybe some waste
// of memory but how long is a label
// normally(?)
OUStringBuffer aBuffer( nStrLen * 2 );
Replace( aWinLabel, TILDE_SIGN, AMPERSAND_SIGN, aBuffer );
aWinLabel = aBuffer.makeStringAndClear( );
}
return aWinLabel;
}
// converts a windows label to a soffice label
// the following rules for character replacements
// will be done:
// '&' -> '~'
// '&&' -> '&'
// '~' -> '~~'
OUString WindowsToSOfficeLabel( const OUString& aWinLabel )
{
OUString aSOLabel = aWinLabel;
if ( (aSOLabel.indexOf( TILDE_SIGN ) > -1) || (aSOLabel.indexOf( AMPERSAND_SIGN ) > -1) )
{
sal_Int32 nStrLen = aSOLabel.getLength( );
// in the worst case the new string is
// doubled in length, maybe some waste
// of memory but how long is a label
// normally(?)
OUStringBuffer aBuffer( nStrLen * 2 );
Replace( aSOLabel, AMPERSAND_SIGN, TILDE_SIGN, aBuffer );
aSOLabel = aBuffer.makeStringAndClear( );
}
return aSOLabel;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */