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Diffstat (limited to 'fpicker/source/win32/WinImplHelper.cxx')
| -rw-r--r-- | fpicker/source/win32/WinImplHelper.cxx | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/fpicker/source/win32/WinImplHelper.cxx b/fpicker/source/win32/WinImplHelper.cxx new file mode 100644 index 0000000000..9f81f6b60f --- /dev/null +++ b/fpicker/source/win32/WinImplHelper.cxx @@ -0,0 +1,155 @@ +/* -*- 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: */ |