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/* -*- 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 <tools/shl.hxx>
#include <tools/debug.hxx>
#include <com/sun/star/i18n/DirectionProperty.hpp>
#include <i18npool/lang.h>
#include <i18npool/mslangid.hxx>
#include <svtools/svtools.hrc>
#include <svtools/svtdata.hxx>
#include <svtools/langtab.hxx>
#include <unotools/syslocale.hxx>
using namespace ::com::sun::star;
//------------------------------------------------------------------------
SVT_DLLPUBLIC const String ApplyLreOrRleEmbedding( const String &rText )
{
const sal_uInt16 nLen = rText.Len();
if (nLen == 0)
return String();
const sal_Unicode cLRE_Embedding = 0x202A; // the start char of an LRE embedding
const sal_Unicode cRLE_Embedding = 0x202B; // the start char of an RLE embedding
const sal_Unicode cPopDirectionalFormat = 0x202C; // the unicode PDF (POP_DIRECTIONAL_FORMAT) char that terminates an LRE/RLE embedding
// check if there are alreay embedding characters at the strings start
// if so change nothing
const sal_Unicode cChar = rText.GetBuffer()[0];
if (cChar == cLRE_Embedding || cChar == cRLE_Embedding)
return rText;
// since we only call the function getCharacterDirection
// it does not matter which locale the CharClass is for.
// Thus we can readily make use of SvtSysLocale::GetCharClass()
// which should come at no cost...
SvtSysLocale aSysLocale;
const CharClass &rCharClass = aSysLocale.GetCharClass();
// we should look for the first non-neutral LTR or RTL character
// and use that to determine the embedding of the whole text...
// Thus we can avoid to check every character of the text.
bool bFound = false;
bool bIsRtlText = false;
for (sal_uInt16 i = 0; i < nLen && !bFound; ++i)
{
sal_Int16 nDirection = rCharClass.getCharacterDirection( rText, i );
switch (nDirection)
{
case i18n::DirectionProperty_LEFT_TO_RIGHT :
case i18n::DirectionProperty_LEFT_TO_RIGHT_EMBEDDING :
case i18n::DirectionProperty_LEFT_TO_RIGHT_OVERRIDE :
case i18n::DirectionProperty_EUROPEAN_NUMBER :
case i18n::DirectionProperty_ARABIC_NUMBER : // yes! arabic numbers are written from left to right
{
bIsRtlText = false;
bFound = true;
break;
}
case i18n::DirectionProperty_RIGHT_TO_LEFT :
case i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC :
case i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING :
case i18n::DirectionProperty_RIGHT_TO_LEFT_OVERRIDE :
{
bIsRtlText = true;
bFound = true;
break;
}
default:
{
// nothing to be done, character is considered to be neutral we need to look further ...
}
}
}
sal_Unicode cStart = cLRE_Embedding; // default is to use LRE embedding characters
if (bIsRtlText)
cStart = cRLE_Embedding; // then use RLE embedding
// add embedding start and end chars to the text if the direction could be determined
String aRes( rText );
if (bFound)
{
aRes.Insert( cStart, 0 );
aRes.Insert( cPopDirectionalFormat );
}
return aRes;
}
//------------------------------------------------------------------------
SvtLanguageTable::SvtLanguageTable() :
ResStringArray( SvtResId( STR_ARR_SVT_LANGUAGE_TABLE ) )
{
}
//------------------------------------------------------------------------
SvtLanguageTable::~SvtLanguageTable()
{
}
//------------------------------------------------------------------------
const String& SvtLanguageTable::GetString( const LanguageType eType, bool bUserInterfaceSelection ) const
{
LanguageType eLang = MsLangId::getReplacementForObsoleteLanguage( eType, bUserInterfaceSelection);
sal_uInt32 nPos = FindIndex( eLang );
if ( RESARRAY_INDEX_NOTFOUND != nPos && nPos < Count() )
return ResStringArray::GetString( nPos );
else
{
// If we knew what a simple "en" should alias to (en_US?) we could
// generally raise an error.
OSL_ENSURE(
eLang == LANGUAGE_ENGLISH, "language entry not found in resource" );
nPos = FindIndex( LANGUAGE_DONTKNOW );
if ( RESARRAY_INDEX_NOTFOUND != nPos && nPos < Count() )
return ResStringArray::GetString( nPos );
}
static String aEmptyStr;
return aEmptyStr;
}
String SvtLanguageTable::GetLanguageString( const LanguageType eType )
{
static const SvtLanguageTable aLangTable;
return aLangTable.GetString( eType );
}
//------------------------------------------------------------------------
LanguageType SvtLanguageTable::GetType( const String& rStr ) const
{
LanguageType eType = LANGUAGE_DONTKNOW;
sal_uInt32 nCount = Count();
for ( sal_uInt32 i = 0; i < nCount; ++i )
{
if ( rStr == ResStringArray::GetString( i ) )
{
eType = LanguageType( GetValue( i ) );
break;
}
}
return eType;
}
//------------------------------------------------------------------------
sal_uInt32 SvtLanguageTable::GetEntryCount() const
{
return Count();
}
//------------------------------------------------------------------------
LanguageType SvtLanguageTable::GetTypeAtIndex( sal_uInt32 nIndex ) const
{
LanguageType nType = LANGUAGE_DONTKNOW;
if (nIndex < Count())
nType = LanguageType( GetValue( nIndex ) );
return nType;
}
//------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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