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Diffstat (limited to 'sw/source/core/bastyp/breakit.cxx')
| -rw-r--r-- | sw/source/core/bastyp/breakit.cxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/sw/source/core/bastyp/breakit.cxx b/sw/source/core/bastyp/breakit.cxx new file mode 100644 index 000000000000..4253507b11b5 --- /dev/null +++ b/sw/source/core/bastyp/breakit.cxx @@ -0,0 +1,186 @@ +/************************************************************************* + * + * 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_sw.hxx" + +#include "breakit.hxx" +#include <unicode/uchar.h> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#ifndef _COM_SUN_STAR_I18N_SCRIPTTYPE_HDL_ +#include <com/sun/star/i18n/ScriptType.hdl> +#endif +#include <unotools/localedatawrapper.hxx> + +#ifndef _SVX_LINGU_HXX +#include <editeng/unolingu.hxx> +#endif +#include <editeng/scripttypeitem.hxx> +#include "swtypes.hxx" + +using namespace com::sun::star; + +SwBreakIt * pBreakIt = 0; + +void SwBreakIt::_Create( + const uno::Reference< lang::XMultiServiceFactory > & rxMSF) +{ + delete pBreakIt, pBreakIt = new SwBreakIt( rxMSF ); +} + +void SwBreakIt::_Delete() +{ + delete pBreakIt, pBreakIt = 0; +} + +SwBreakIt * SwBreakIt::Get() +{ + return pBreakIt; +} + +SwBreakIt::SwBreakIt( + const uno::Reference< lang::XMultiServiceFactory > & rxMSF) + : m_xMSF( rxMSF ), + m_pLocale( NULL ), + m_pForbidden( NULL ), + aLast( LANGUAGE_DONTKNOW ), + aForbiddenLang( LANGUAGE_DONTKNOW) +{ + DBG_ASSERT( m_xMSF.is(), "SwBreakIt: no MultiServiceFactory" ); + //if ( m_xMSF.is() ) + //{ + // xBreak = uno::Reference< i18n::XBreakIterator >( + // m_xMSF->createInstance( + // rtl::OUString::createFromAscii( "com.sun.star.i18n.BreakIterator" ) ), + // uno::UNO_QUERY); + + // xCTLDetect = uno::Reference< i18n::XScriptTypeDetector >( + // m_xMSF->createInstance( + // rtl::OUString::createFromAscii( "com.sun.star.i18n.ScriptTypeDetector" ) ), + // uno::UNO_QUERY); + // } +} + +SwBreakIt::~SwBreakIt() +{ + delete m_pLocale; + delete m_pForbidden; +} +void SwBreakIt::createBreakIterator() const +{ + if ( m_xMSF.is() && !xBreak.is() ) + xBreak.set(m_xMSF->createInstance(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.i18n.BreakIterator"))),uno::UNO_QUERY); +} +void SwBreakIt::createScriptTypeDetector() +{ + if ( m_xMSF.is() && !xCTLDetect.is() ) + xCTLDetect.set(m_xMSF->createInstance(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.i18n.ScriptTypeDetector" ))),uno::UNO_QUERY); +} +void SwBreakIt::_GetLocale( const LanguageType aLang ) +{ + aLast = aLang; + delete m_pLocale; + m_pLocale = new lang::Locale( SvxCreateLocale( aLast ) ); +} + +void SwBreakIt::_GetForbidden( const LanguageType aLang ) +{ + LocaleDataWrapper aWrap( m_xMSF, GetLocale( aLang ) ); + + aForbiddenLang = aLang; + delete m_pForbidden; + m_pForbidden = new i18n::ForbiddenCharacters( aWrap.getForbiddenCharacters() ); +} + +USHORT SwBreakIt::GetRealScriptOfText( const String& rTxt, + xub_StrLen nPos ) const +{ + createBreakIterator(); + USHORT nScript = i18n::ScriptType::WEAK; + if( xBreak.is() && rTxt.Len() ) + { + if( nPos && nPos == rTxt.Len() ) + --nPos; + nScript = xBreak->getScriptType( rTxt, nPos ); + sal_Int32 nChgPos = 0; + if ( i18n::ScriptType::WEAK == nScript && nPos + 1 < rTxt.Len() ) + { + // A weak character followed by a mark may be meant to combine with + // the mark, so prefer the following character's script + switch ( u_charType(rTxt.GetChar(nPos + 1) ) ) { + case U_NON_SPACING_MARK: + case U_ENCLOSING_MARK: + case U_COMBINING_SPACING_MARK: + nScript = xBreak->getScriptType( rTxt, nPos+1 ); + break; + } + } + if( i18n::ScriptType::WEAK == nScript && nPos && + 0 < (nChgPos = xBreak->beginOfScript( rTxt, nPos, nScript )) ) + nScript = xBreak->getScriptType( rTxt, nChgPos-1 ); + + if( i18n::ScriptType::WEAK == nScript && rTxt.Len() > + ( nChgPos = xBreak->endOfScript( rTxt, nPos, nScript ) ) && + 0 <= nChgPos ) + nScript = xBreak->getScriptType( rTxt, nChgPos ); + } + if( i18n::ScriptType::WEAK == nScript ) + nScript = GetI18NScriptTypeOfLanguage( (USHORT)GetAppLanguage() ); + return nScript; +} + +USHORT SwBreakIt::GetAllScriptsOfText( const String& rTxt ) const +{ + const USHORT coAllScripts = ( SCRIPTTYPE_LATIN | + SCRIPTTYPE_ASIAN | + SCRIPTTYPE_COMPLEX ); + createBreakIterator(); + USHORT nRet = 0, nScript; + if( !xBreak.is() ) + nRet = coAllScripts; + else if( rTxt.Len() ) + { + for( xub_StrLen n = 0, nEnd = rTxt.Len(); n < nEnd; + n = static_cast<xub_StrLen>(xBreak->endOfScript( rTxt, n, nScript )) ) + { + switch( nScript = xBreak->getScriptType( rTxt, n ) ) + { + case i18n::ScriptType::LATIN: nRet |= SCRIPTTYPE_LATIN; break; + case i18n::ScriptType::ASIAN: nRet |= SCRIPTTYPE_ASIAN; break; + case i18n::ScriptType::COMPLEX: nRet |= SCRIPTTYPE_COMPLEX; break; + case i18n::ScriptType::WEAK: + if( !nRet ) + nRet |= coAllScripts; + break; + } + if( coAllScripts == nRet ) + break; + } + } + return nRet; +} + |