office-gobmx/vcl/source/app/i18nhelp.cxx
2011-11-27 13:26:59 -06:00

190 lines
6.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "unotools/localedatawrapper.hxx"
#include "unotools/transliterationwrapper.hxx"
#include "i18npool/mslangid.hxx"
#include "rtl/ustrbuf.hxx"
#include "vcl/i18nhelp.hxx"
#include "com/sun/star/lang/XMultiServiceFactory.hpp"
#include "com/sun/star/i18n/TransliterationModules.hpp"
using namespace ::com::sun::star;
vcl::I18nHelper::I18nHelper( ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxMSF, const ::com::sun::star::lang::Locale& rLocale )
{
mxMSF = rxMSF;
maLocale = rLocale;
mpLocaleDataWrapper = NULL;
mpTransliterationWrapper= NULL;
mbTransliterateIgnoreCase = sal_False;
}
vcl::I18nHelper::~I18nHelper()
{
ImplDestroyWrappers();
}
void vcl::I18nHelper::ImplDestroyWrappers()
{
delete mpLocaleDataWrapper;
mpLocaleDataWrapper = NULL;
delete mpTransliterationWrapper;
mpTransliterationWrapper= NULL;
}
utl::TransliterationWrapper& vcl::I18nHelper::ImplGetTransliterationWrapper() const
{
if ( !mpTransliterationWrapper )
{
sal_Int32 nModules = i18n::TransliterationModules_IGNORE_WIDTH;
if ( mbTransliterateIgnoreCase )
nModules |= i18n::TransliterationModules_IGNORE_CASE;
((vcl::I18nHelper*)this)->mpTransliterationWrapper = new utl::TransliterationWrapper( mxMSF, (i18n::TransliterationModules)nModules );
((vcl::I18nHelper*)this)->mpTransliterationWrapper->loadModuleIfNeeded( MsLangId::convertLocaleToLanguage( maLocale ) );
}
return *mpTransliterationWrapper;
}
LocaleDataWrapper& vcl::I18nHelper::ImplGetLocaleDataWrapper() const
{
if ( !mpLocaleDataWrapper )
{
((vcl::I18nHelper*)this)->mpLocaleDataWrapper = new LocaleDataWrapper( mxMSF, maLocale );
}
return *mpLocaleDataWrapper;
}
const ::com::sun::star::lang::Locale& vcl::I18nHelper::getLocale() const
{
return maLocale;
}
inline bool is_formatting_mark( sal_Unicode c )
{
if( (c >= 0x200B) && (c <= 0x200F) ) // BiDi and zero-width-markers
return true;
if( (c >= 0x2028) && (c <= 0x202E) ) // BiDi and paragraph-markers
return true;
return false;
}
/* #i100057# filter formatting marks out of strings before passing them to
the transliteration. The real solution would have been an additional TransliterationModule
to ignore these marks during transliteration; however changin the code in i18npool that actually
implements this could produce unwanted side effects.
Of course this copying around is not really good, but looking at i18npool, one more time
will not hurt.
*/
String vcl::I18nHelper::filterFormattingChars( const String& rStr )
{
sal_Int32 nUnicodes = rStr.Len();
rtl::OUStringBuffer aBuf( nUnicodes );
const sal_Unicode* pStr = rStr.GetBuffer();
while( nUnicodes-- )
{
if( ! is_formatting_mark( *pStr ) )
aBuf.append( *pStr );
pStr++;
}
return aBuf.makeStringAndClear();
}
sal_Int32 vcl::I18nHelper::CompareString( const String& rStr1, const String& rStr2 ) const
{
::osl::Guard< ::osl::Mutex > aGuard( ((vcl::I18nHelper*)this)->maMutex );
if ( mbTransliterateIgnoreCase )
{
// Change mbTransliterateIgnoreCase and destroy the warpper, next call to
// ImplGetTransliterationWrapper() will create a wrapper with the correct bIgnoreCase
((vcl::I18nHelper*)this)->mbTransliterateIgnoreCase = sal_False;
delete ((vcl::I18nHelper*)this)->mpTransliterationWrapper;
((vcl::I18nHelper*)this)->mpTransliterationWrapper = NULL;
}
String aStr1( filterFormattingChars(rStr1) );
String aStr2( filterFormattingChars(rStr2) );
return ImplGetTransliterationWrapper().compareString( aStr1, aStr2 );
}
sal_Bool vcl::I18nHelper::MatchString( const String& rStr1, const String& rStr2 ) const
{
::osl::Guard< ::osl::Mutex > aGuard( ((vcl::I18nHelper*)this)->maMutex );
if ( !mbTransliterateIgnoreCase )
{
// Change mbTransliterateIgnoreCase and destroy the warpper, next call to
// ImplGetTransliterationWrapper() will create a wrapper with the correct bIgnoreCase
((vcl::I18nHelper*)this)->mbTransliterateIgnoreCase = sal_True;
delete ((vcl::I18nHelper*)this)->mpTransliterationWrapper;
((vcl::I18nHelper*)this)->mpTransliterationWrapper = NULL;
}
String aStr1( filterFormattingChars(rStr1) );
String aStr2( filterFormattingChars(rStr2) );
return ImplGetTransliterationWrapper().isMatch( aStr1, aStr2 );
}
sal_Bool vcl::I18nHelper::MatchMnemonic( const String& rString, sal_Unicode cMnemonicChar ) const
{
::osl::Guard< ::osl::Mutex > aGuard( ((vcl::I18nHelper*)this)->maMutex );
sal_Bool bEqual = sal_False;
sal_uInt16 n = rString.Search( '~' );
if ( n != STRING_NOTFOUND )
{
String aMatchStr( rString, n+1, STRING_LEN ); // not only one char, because of transliteration...
bEqual = MatchString( cMnemonicChar, aMatchStr );
}
return bEqual;
}
String vcl::I18nHelper::GetDate( const Date& rDate ) const
{
::osl::Guard< ::osl::Mutex > aGuard( ((vcl::I18nHelper*)this)->maMutex );
return ImplGetLocaleDataWrapper().getDate( rDate );
}
String vcl::I18nHelper::GetNum( long nNumber, sal_uInt16 nDecimals, sal_Bool bUseThousandSep, sal_Bool bTrailingZeros ) const
{
return ImplGetLocaleDataWrapper().getNum( nNumber, nDecimals, bUseThousandSep, bTrailingZeros );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */