117fb70532
Change-Id: I5588198452a609dd541d51ac7a84cd5773949ae7
210 lines
7 KiB
C++
210 lines
7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <boost/static_assert.hpp>
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#include <tools/shl.hxx>
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#include <com/sun/star/i18n/DirectionProperty.hpp>
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#include <i18npool/lang.h>
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#include <i18npool/mslangid.hxx>
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#include <svtools/svtools.hrc>
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#include <svtools/svtresid.hxx>
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#include <svtools/langtab.hxx>
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#include <unotools/syslocale.hxx>
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using namespace ::com::sun::star;
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//------------------------------------------------------------------------
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SVT_DLLPUBLIC const String ApplyLreOrRleEmbedding( const String &rText )
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{
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const sal_uInt16 nLen = rText.Len();
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if (nLen == 0)
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return String();
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const sal_Unicode cLRE_Embedding = 0x202A; // the start char of an LRE embedding
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const sal_Unicode cRLE_Embedding = 0x202B; // the start char of an RLE embedding
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const sal_Unicode cPopDirectionalFormat = 0x202C; // the unicode PDF (POP_DIRECTIONAL_FORMAT) char that terminates an LRE/RLE embedding
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// check if there are alreay embedding characters at the strings start
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// if so change nothing
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const sal_Unicode cChar = rText.GetBuffer()[0];
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if (cChar == cLRE_Embedding || cChar == cRLE_Embedding)
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return rText;
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// since we only call the function getCharacterDirection
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// it does not matter which locale the CharClass is for.
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// Thus we can readily make use of SvtSysLocale::GetCharClass()
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// which should come at no cost...
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SvtSysLocale aSysLocale;
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const CharClass &rCharClass = aSysLocale.GetCharClass();
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// we should look for the first non-neutral LTR or RTL character
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// and use that to determine the embedding of the whole text...
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// Thus we can avoid to check every character of the text.
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bool bFound = false;
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bool bIsRtlText = false;
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for (sal_uInt16 i = 0; i < nLen && !bFound; ++i)
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{
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sal_Int16 nDirection = rCharClass.getCharacterDirection( rText, i );
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switch (nDirection)
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{
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case i18n::DirectionProperty_LEFT_TO_RIGHT :
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case i18n::DirectionProperty_LEFT_TO_RIGHT_EMBEDDING :
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case i18n::DirectionProperty_LEFT_TO_RIGHT_OVERRIDE :
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case i18n::DirectionProperty_EUROPEAN_NUMBER :
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case i18n::DirectionProperty_ARABIC_NUMBER : // yes! arabic numbers are written from left to right
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{
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bIsRtlText = false;
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bFound = true;
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break;
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}
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case i18n::DirectionProperty_RIGHT_TO_LEFT :
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case i18n::DirectionProperty_RIGHT_TO_LEFT_ARABIC :
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case i18n::DirectionProperty_RIGHT_TO_LEFT_EMBEDDING :
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case i18n::DirectionProperty_RIGHT_TO_LEFT_OVERRIDE :
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{
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bIsRtlText = true;
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bFound = true;
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break;
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}
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default:
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{
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// nothing to be done, character is considered to be neutral we need to look further ...
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}
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}
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}
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sal_Unicode cStart = cLRE_Embedding; // default is to use LRE embedding characters
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if (bIsRtlText)
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cStart = cRLE_Embedding; // then use RLE embedding
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// add embedding start and end chars to the text if the direction could be determined
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String aRes( rText );
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if (bFound)
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{
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aRes.Insert( cStart, 0 );
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aRes.Insert( cPopDirectionalFormat );
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}
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return aRes;
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}
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//------------------------------------------------------------------------
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namespace {
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BOOST_STATIC_ASSERT(
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16642 == STR_ARR_SVT_LANGUAGE_TABLE);
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// "The value of STR_ARR_SVT_LANGUAGE_TABLE has changed. wizards/com/sun/star/wizards/letter/LocaleCodes.java has this value hard coded, please adapt it to your change."
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}
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SvtLanguageTable::SvtLanguageTable() :
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ResStringArray( SvtResId( STR_ARR_SVT_LANGUAGE_TABLE ) )
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{
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}
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//------------------------------------------------------------------------
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SvtLanguageTable::~SvtLanguageTable()
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{
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}
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//------------------------------------------------------------------------
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const rtl::OUString SvtLanguageTable::GetString( const LanguageType eType, bool bUserInterfaceSelection ) const
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{
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LanguageType eLang = MsLangId::getReplacementForObsoleteLanguage( eType, bUserInterfaceSelection);
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sal_uInt32 nPos = FindIndex( eLang );
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if ( RESARRAY_INDEX_NOTFOUND != nPos && nPos < Count() )
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return ResStringArray::GetString( nPos );
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else
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{
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// If we knew what a simple "en" should alias to (en_US?) we could
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// generally raise an error.
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OSL_ENSURE(
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eLang == LANGUAGE_ENGLISH, "language entry not found in resource" );
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nPos = FindIndex( LANGUAGE_DONTKNOW );
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if ( RESARRAY_INDEX_NOTFOUND != nPos && nPos < Count() )
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return ResStringArray::GetString( nPos );
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}
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return rtl::OUString();
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}
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String SvtLanguageTable::GetLanguageString( const LanguageType eType )
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{
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static const SvtLanguageTable aLangTable;
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return aLangTable.GetString( eType );
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}
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//------------------------------------------------------------------------
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LanguageType SvtLanguageTable::GetType( const String& rStr ) const
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{
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LanguageType eType = LANGUAGE_DONTKNOW;
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sal_uInt32 nCount = Count();
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for ( sal_uInt32 i = 0; i < nCount; ++i )
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{
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if (ResStringArray::GetString( i ).equals(rStr))
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{
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eType = LanguageType( GetValue( i ) );
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break;
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}
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}
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return eType;
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}
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//------------------------------------------------------------------------
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sal_uInt32 SvtLanguageTable::GetEntryCount() const
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{
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return Count();
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}
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//------------------------------------------------------------------------
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LanguageType SvtLanguageTable::GetTypeAtIndex( sal_uInt32 nIndex ) const
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{
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LanguageType nType = LANGUAGE_DONTKNOW;
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if (nIndex < Count())
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nType = LanguageType( GetValue( nIndex ) );
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return nType;
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}
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//------------------------------------------------------------------------
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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