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Diffstat (limited to 'svtools/source/misc/langtab.cxx')
| -rw-r--r-- | svtools/source/misc/langtab.cxx | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/svtools/source/misc/langtab.cxx b/svtools/source/misc/langtab.cxx new file mode 100644 index 000000000000..d1ff94572a99 --- /dev/null +++ b/svtools/source/misc/langtab.cxx @@ -0,0 +1,208 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svtools.hxx" + +// include --------------------------------------------------------------- + +#include <tools/shl.hxx> +#include <tools/debug.hxx> + +//#include <com/sun/star/i18n/XCharacterClassification.hpp> +#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 USHORT 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 (USHORT 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 ) const +{ + LanguageType eLang = MsLangId::getReplacementForObsoleteLanguage( eType); + 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; +} + +//------------------------------------------------------------------------ + |