xref: /aoo42x/main/lingucomponent/source/thesaurus/libnth/nthesimp.cxx (revision 509df7cb)

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 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_lnth.hxx"

#include <com/sun/star/uno/Reference.h>
#include <cppuhelper/factory.hxx>	// helper for factories
#include <com/sun/star/registry/XRegistryKey.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <i18npool/mslangid.hxx>
#include <tools/debug.hxx>
#include <unotools/processfactory.hxx>
#include <osl/mutex.hxx>
#include <unotools/pathoptions.hxx>
#include <unotools/lingucfg.hxx>

#include <rtl/string.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/textenc.h>

#include "nthesimp.hxx"
#include <linguistic/misc.hxx>
#include <linguistic/lngprops.hxx>
#include "nthesdta.hxx"

#include <list>
#include <set>
#include <string.h>

// values assigned to capitalization types
#define CAPTYPE_UNKNOWN 0
#define CAPTYPE_NOCAP   1
#define CAPTYPE_INITCAP 2
#define CAPTYPE_ALLCAP  3
#define CAPTYPE_MIXED   4

// XML-header to query SPELLML support
#define SPELLML_SUPPORT "<?xml?>"

using namespace utl;
using namespace osl;
using namespace rtl;
using namespace com::sun::star;
using namespace com::sun::star::beans;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace com::sun::star::linguistic2;
using namespace linguistic;



///////////////////////////////////////////////////////////////////////////

static uno::Reference< XLinguServiceManager > GetLngSvcMgr_Impl()
{
	uno::Reference< XLinguServiceManager > xRes;
	uno::Reference< XMultiServiceFactory >  xMgr = getProcessServiceFactory();
	if (xMgr.is())
	{
		xRes = uno::Reference< XLinguServiceManager > ( xMgr->createInstance(
				OUString( RTL_CONSTASCII_USTRINGPARAM(
					"com.sun.star.linguistic2.LinguServiceManager" ) ) ), UNO_QUERY ) ;
	}
	return xRes;
}

Thesaurus::Thesaurus() :
	aEvtListeners	( GetLinguMutex() )
{
	bDisposing = sal_False;
	pPropHelper = NULL;
	aThes = NULL;
	aCharSetInfo = NULL;
	aTEncs = NULL;
	aTLocs = NULL;
	aTNames = NULL;
    numthes = 0;
}


Thesaurus::~Thesaurus()
{

    if (aThes)
    {
        for (int i = 0; i < numthes; i++)
        {
            if (aThes[i]) delete aThes[i];
            aThes[i] = NULL;
        }
        delete[] aThes;
    }
    aThes = NULL;
    if (aCharSetInfo)
    {
        for (int i = 0; i < numthes; i++)
        {
            if (aCharSetInfo[i]) delete aCharSetInfo[i];
            aCharSetInfo[i] = NULL;
        }
        delete[] aCharSetInfo;
    }
    aCharSetInfo = NULL;
    numthes = 0;
    if (aTEncs) delete[] aTEncs;
    aTEncs = NULL;
    if (aTLocs) delete[] aTLocs;
    aTLocs = NULL;
    if (aTNames) delete[] aTNames;
    aTNames = NULL;

    if (pPropHelper)
		pPropHelper->RemoveAsPropListener();
	delete pPropHelper;
}


PropertyHelper_Thesaurus& Thesaurus::GetPropHelper_Impl()
{
	if (!pPropHelper)
	{
		Reference< XPropertySet	>	xPropSet( GetLinguProperties(), UNO_QUERY );

		pPropHelper	= new PropertyHelper_Thesaurus( (XThesaurus *) this, xPropSet );
		pPropHelper->AddAsPropListener();	//! after a reference is established
	}
	return *pPropHelper;
}


Sequence< Locale > SAL_CALL Thesaurus::getLocales()
        throw(RuntimeException)
{
    MutexGuard  aGuard( GetLinguMutex() );

    // this routine should return the locales supported by the installed
    // dictionaries.

    if (!numthes)
    {
        SvtLinguConfig aLinguCfg;

        // get list of dictionaries-to-use
        std::list< SvtLinguConfigDictionaryEntry > aDics;
        uno::Sequence< rtl::OUString > aFormatList;
        aLinguCfg.GetSupportedDictionaryFormatsFor( A2OU("Thesauri"),
                A2OU("org.openoffice.lingu.new.Thesaurus"), aFormatList );
        sal_Int32 nLen = aFormatList.getLength();
        for (sal_Int32 i = 0;  i < nLen;  ++i)
        {
            std::vector< SvtLinguConfigDictionaryEntry > aTmpDic(
                    aLinguCfg.GetActiveDictionariesByFormat( aFormatList[i] ) );
            aDics.insert( aDics.end(), aTmpDic.begin(), aTmpDic.end() );
        }

        //!! for compatibility with old dictionaries (the ones not using extensions
        //!! or new configuration entries, but still using the dictionary.lst file)
		//!! Get the list of old style spell checking dictionaries to use...
        std::vector< SvtLinguConfigDictionaryEntry > aOldStyleDics(
				GetOldStyleDics( "THES" ) );

		// to prefer dictionaries with configuration entries we will only
		// use those old style dictionaries that add a language that
		// is not yet supported by the list od new style dictionaries
		MergeNewStyleDicsAndOldStyleDics( aDics, aOldStyleDics );

        numthes = aDics.size();
        if (numthes)
        {
            // get supported locales from the dictionaries-to-use...
            sal_Int32 k = 0;
            std::set< rtl::OUString, lt_rtl_OUString > aLocaleNamesSet;
            std::list< SvtLinguConfigDictionaryEntry >::const_iterator aDictIt;
            for (aDictIt = aDics.begin();  aDictIt != aDics.end();  ++aDictIt)
            {
                uno::Sequence< rtl::OUString > aLocaleNames( aDictIt->aLocaleNames );
                sal_Int32 nLen2 = aLocaleNames.getLength();
                for (k = 0;  k < nLen2;  ++k)
                {
                    aLocaleNamesSet.insert( aLocaleNames[k] );
                }
            }
            // ... and add them to the resulting sequence
            aSuppLocales.realloc( aLocaleNamesSet.size() );
            std::set< rtl::OUString, lt_rtl_OUString >::const_iterator aItB;
            k = 0;
            for (aItB = aLocaleNamesSet.begin();  aItB != aLocaleNamesSet.end();  ++aItB)
            {
                Locale aTmp( MsLangId::convertLanguageToLocale(
                        MsLangId::convertIsoStringToLanguage( *aItB )));
                aSuppLocales[k++] = aTmp;
            }

            //! For each dictionary and each locale we need a separate entry.
            //! If this results in more than one dictionary per locale than (for now)
			//! it is undefined which dictionary gets used.
			//! In the future the implementation should support using several dictionaries
			//! for one locale.
			numthes = 0;
            for (aDictIt = aDics.begin();  aDictIt != aDics.end();  ++aDictIt)
				numthes = numthes + aDictIt->aLocaleNames.getLength();

            // add dictionary information
            aThes   = new MyThes* [numthes];
            aTEncs  = new rtl_TextEncoding [numthes];
            aTLocs  = new Locale [numthes];
            aTNames = new OUString [numthes];
            aCharSetInfo = new CharClass* [numthes];

            k = 0;
            for (aDictIt = aDics.begin();  aDictIt != aDics.end();  ++aDictIt)
            {
                if (aDictIt->aLocaleNames.getLength() > 0 &&
                    aDictIt->aLocations.getLength() > 0)
                {
                    uno::Sequence< rtl::OUString > aLocaleNames( aDictIt->aLocaleNames );
                    sal_Int32 nLocales = aLocaleNames.getLength();

                    // currently only one language per dictionary is supported in the actual implementation...
                    // Thus here we work-around this by adding the same dictionary several times.
                    // Once for each of it's supported locales.
                    for (sal_Int32 i = 0;  i < nLocales;  ++i)
                    {
                        aThes[k]  = NULL;
                        aTEncs[k]  = RTL_TEXTENCODING_DONTKNOW;
                        aTLocs[k]  = MsLangId::convertLanguageToLocale(
                                        MsLangId::convertIsoStringToLanguage( aDictIt->aLocaleNames[i] ));
                        aCharSetInfo[k] = new CharClass( aTLocs[k] );
                        // also both files have to be in the same directory and the
                        // file names must only differ in the extension (.aff/.dic).
                        // Thus we use the first location only and strip the extension part.
                        rtl::OUString aLocation = aDictIt->aLocations[0];
                        sal_Int32 nPos = aLocation.lastIndexOf( '.' );
                        aLocation = aLocation.copy( 0, nPos );
                        aTNames[k] = aLocation;

                        ++k;
                    }
                }
            }
            DBG_ASSERT( k == numthes, "index mismatch?" );
        }
        else
        {
            /* no dictionary found so register no dictionaries */
            numthes = 0;
            aThes  = NULL;
            aTEncs  = NULL;
            aTLocs  = NULL;
            aTNames = NULL;
            aCharSetInfo = NULL;
            aSuppLocales.realloc(0);
        }
    }

    return aSuppLocales;
}



sal_Bool SAL_CALL Thesaurus::hasLocale(const Locale& rLocale)
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );

	sal_Bool bRes = sal_False;
	if (!aSuppLocales.getLength())
		getLocales();
	sal_Int32 nLen = aSuppLocales.getLength();
	for (sal_Int32 i = 0;  i < nLen;  ++i)
	{
		const Locale *pLocale = aSuppLocales.getConstArray();
		if (rLocale == pLocale[i])
		{
			bRes = sal_True;
			break;
		}
	}
	return bRes;
}


Sequence < Reference < ::com::sun::star::linguistic2::XMeaning > > SAL_CALL Thesaurus::queryMeanings(
    const OUString& qTerm, const Locale& rLocale,
    const PropertyValues& rProperties)
    throw(IllegalArgumentException, RuntimeException)
{
    MutexGuard      aGuard( GetLinguMutex() );

    uno::Sequence< Reference< XMeaning > > aMeanings( 1 );
    uno::Sequence< Reference< XMeaning > > noMeanings( 0 );
    uno::Reference< XLinguServiceManager > xLngSvcMgr( GetLngSvcMgr_Impl() );
    uno::Reference< XSpellChecker1 > xSpell;

    OUString rTerm(qTerm);
    OUString pTerm(qTerm);
    sal_uInt16 ct = CAPTYPE_UNKNOWN;
    sal_Int32 stem = 0;
    sal_Int32 stem2 = 0;

    sal_Int16 nLanguage = LocaleToLanguage( rLocale );

    if (nLanguage == LANGUAGE_NONE || !rTerm.getLength())
        return noMeanings;

    if (!hasLocale( rLocale ))
#ifdef LINGU_EXCEPTIONS
        throw( IllegalArgumentException() );
#else
        return noMeanings;
#endif

    if (prevTerm == qTerm && prevLocale == nLanguage)
        return prevMeanings;

    mentry * pmean = NULL;
    sal_Int32 nmean = 0;

    PropertyHelper_Thesaurus &rHelper = GetPropHelper();
    rHelper.SetTmpPropVals( rProperties );

    MyThes * pTH = NULL;
    rtl_TextEncoding eEnc = RTL_TEXTENCODING_DONTKNOW;
    CharClass * pCC = NULL;

    // find the first thesaurus that matches the locale
    for (int i =0; i < numthes; i++)
    {
        if (rLocale == aTLocs[i])
        {
            // open up and initialize this thesaurus if need be
            if (!aThes[i])
            {
                OUString datpath = aTNames[i] + A2OU(".dat");
                OUString idxpath = aTNames[i] + A2OU(".idx");
                OUString ndat;
                OUString nidx;
                osl::FileBase::getSystemPathFromFileURL(datpath,ndat);
                osl::FileBase::getSystemPathFromFileURL(idxpath,nidx);
                OString aTmpidx(OU2ENC(nidx,osl_getThreadTextEncoding()));
                OString aTmpdat(OU2ENC(ndat,osl_getThreadTextEncoding()));

#if defined(WNT)
                // workaround for Windows specifc problem that the
                // path length in calls to 'fopen' is limted to somewhat
                // about 120+ characters which will usually be exceed when
                // using dictionaries as extensions.
                aTmpidx = Win_GetShortPathName( nidx );
                aTmpdat = Win_GetShortPathName( ndat );
#endif

                aThes[i] = new MyThes(aTmpidx.getStr(),aTmpdat.getStr());
                if (aThes[i])
                    aTEncs[i] = getTextEncodingFromCharset(aThes[i]->get_th_encoding());
            }
            pTH = aThes[i];
            eEnc = aTEncs[i];
            pCC = aCharSetInfo[i];

            if (pTH)
                break;
        }
    }

    // we don't want to work with a default text encoding since following incorrect
    // results may occur only for specific text and thus may be hard to notice.
    // Thus better always make a clean exit here if the text encoding is in question.
    // Hopefully something not working at all will raise proper attention quickly. ;-)
    DBG_ASSERT( eEnc != RTL_TEXTENCODING_DONTKNOW, "failed to get text encoding! (maybe incorrect encoding string in file)" );
    if (eEnc == RTL_TEXTENCODING_DONTKNOW)
        return noMeanings;

    while (pTH)
    {
        // convert word to all lower case for searching
        if (!stem)
            ct = capitalType(rTerm, pCC);
        OUString nTerm(makeLowerCase(rTerm, pCC));
        OString aTmp( OU2ENC(nTerm, eEnc) );
        nmean = pTH->Lookup(aTmp.getStr(),aTmp.getLength(),&pmean);

        if (nmean)
            aMeanings.realloc( nmean );

        mentry * pe = pmean;
        OUString codeTerm = qTerm;
        Reference< XSpellAlternatives > xTmpRes2;

        if (stem)
        {
            xTmpRes2 = xSpell->spell( A2OU("<?xml?><query type='analyze'><word>") +
            pTerm + A2OU("</word></query>"), nLanguage, rProperties );
            if (xTmpRes2.is())
            {
                Sequence<OUString>seq = xTmpRes2->getAlternatives();
                if (seq.getLength() > 0)
                {
                    codeTerm = seq[0];
                    stem2 = 1;
                }
#if 0
                OString o = OUStringToOString(codeTerm, RTL_TEXTENCODING_UTF8);
                fprintf(stderr, "CODETERM: %s\n", o.pData->buffer);
#endif
            }
        }

        for (int j = 0; j < nmean; j++)
        {
            int count = pe->count;
            if (count)
            {
                Sequence< OUString > aStr( count );
                OUString *pStr = aStr.getArray();

                for (int i=0; i < count; i++)
                {
                    OUString sTerm(pe->psyns[i],strlen(pe->psyns[i]),eEnc );
                    sal_Int32 catpos = sTerm.indexOf('(');
                    sal_Int32 catpos2 = 0;
                    OUString catst;
                    OUString catst2;
                    if (catpos > 2)
                    {
                        // remove category name for affixation and casing
                        catst = A2OU(" ") + sTerm.copy(catpos);
                        sTerm = sTerm.copy(0, catpos);
                        sTerm = sTerm.trim();
                    }
                    // generate synonyms with affixes
                    if (stem && stem2)
                    {
                        Reference< XSpellAlternatives > xTmpRes;
                        xTmpRes = xSpell->spell( A2OU("<?xml?><query type='generate'><word>") +
                        sTerm + A2OU("</word>") + codeTerm + A2OU("</query>"), nLanguage, rProperties );
                        if (xTmpRes.is())
                        {
                            Sequence<OUString>seq = xTmpRes->getAlternatives();
                            if (seq.getLength() > 0)
                                sTerm = seq[0];
                        }
                    }
                    if (catpos2)
                        sTerm = catst2 + sTerm;

                    sal_uInt16 ct1 = capitalType(sTerm, pCC);
                    if (CAPTYPE_MIXED == ct1)
                        ct = ct1;
                    OUString cTerm;
                    switch (ct)
                    {
                        case CAPTYPE_ALLCAP:
                            cTerm = makeUpperCase(sTerm, pCC);
                            break;
                        case CAPTYPE_INITCAP:
                            cTerm = makeInitCap(sTerm, pCC);
                            break;
                        default:
                            cTerm = sTerm;
                            break;
                    }
                    OUString aAlt( cTerm + catst);
                    pStr[i] = aAlt;
                }
#if 0
                Meaning * pMn = new Meaning(rTerm,nLanguage,rHelper);
#endif
                Meaning * pMn = new Meaning(rTerm,nLanguage);
                OUString dTerm(pe->defn,strlen(pe->defn),eEnc );
                pMn->SetMeaning(dTerm);
                pMn->SetSynonyms(aStr);
                Reference<XMeaning>* pMeaning = aMeanings.getArray();
                pMeaning[j] = pMn;
            }
            pe++;
        }
        pTH->CleanUpAfterLookup(&pmean,nmean);

        if (nmean)
        {
            prevTerm = qTerm;
            prevMeanings = aMeanings;
            prevLocale = nLanguage;
            return aMeanings;
        }

        if (stem || !xLngSvcMgr.is())
            return noMeanings;
        stem = 1;

        xSpell = uno::Reference< XSpellChecker1 >( xLngSvcMgr->getSpellChecker(), UNO_QUERY );
        if (!xSpell.is() || !xSpell->isValid( A2OU(SPELLML_SUPPORT), nLanguage, rProperties ))
            return noMeanings;
        Reference< XSpellAlternatives > xTmpRes;
        xTmpRes = xSpell->spell( A2OU("<?xml?><query type='stem'><word>") +
            rTerm + A2OU("</word></query>"), nLanguage, rProperties );
        if (xTmpRes.is())
        {
            Sequence<OUString>seq = xTmpRes->getAlternatives();
#if 0
            for (int i = 0; i < seq.getLength(); i++)
            {
                OString o = OUStringToOString(seq[i], RTL_TEXTENCODING_UTF8);
                fprintf(stderr, "%d: %s\n", i + 1, o.pData->buffer);
            }
#endif
            if (seq.getLength() > 0)
            {
                rTerm = seq[0];  // XXX Use only the first stem
                continue;
            }
        }

        // stem the last word of the synonym (for categories after affixation)
        rTerm = rTerm.trim();
        sal_Int32 pos = rTerm.lastIndexOf(' ');
        if (!pos)
            return noMeanings;
        xTmpRes = xSpell->spell( A2OU("<?xml?><query type='stem'><word>") +
            rTerm.copy(pos + 1) + A2OU("</word></query>"), nLanguage, rProperties );
        if (xTmpRes.is())
        {
            Sequence<OUString>seq = xTmpRes->getAlternatives();
            if (seq.getLength() > 0)
            {
                pTerm = rTerm.copy(pos + 1);
                rTerm = rTerm.copy(0, pos + 1) + seq[0];
#if  0
                for (int i = 0; i < seq.getLength(); i++)
                {
                    OString o = OUStringToOString(seq[i], RTL_TEXTENCODING_UTF8);
                    fprintf(stderr, "%d: %s\n", i + 1, o.pData->buffer);
                }
#endif
                continue;
            }
        }
        break;
    }
    return noMeanings;
}


Reference< XInterface > SAL_CALL Thesaurus_CreateInstance(
            const Reference< XMultiServiceFactory > & /*rSMgr*/ )
		throw(Exception)
{
	Reference< XInterface > xService = (cppu::OWeakObject*) new Thesaurus;
	return xService;
}


OUString SAL_CALL Thesaurus::getServiceDisplayName( const Locale& /*rLocale*/ )
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );
	return A2OU( "New Thesaurus" );
}


void SAL_CALL Thesaurus::initialize( const Sequence< Any >& rArguments )
		throw(Exception, RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );

	if (!pPropHelper)
	{
		sal_Int32 nLen = rArguments.getLength();
		if (1 == nLen)
		{
			Reference< XPropertySet	>	xPropSet;
			rArguments.getConstArray()[0] >>= xPropSet;

			//! Pointer allows for access of the non-UNO functions.
			//! And the reference to the UNO-functions while increasing
			//! the ref-count and will implicitly free the memory
			//! when the object is not longer used.
			pPropHelper = new PropertyHelper_Thesaurus( (XThesaurus *) this, xPropSet );
			pPropHelper->AddAsPropListener();	//! after a reference is established
		}
		else
			DBG_ERROR( "wrong number of arguments in sequence" );
	}
}



sal_uInt16 SAL_CALL Thesaurus::capitalType(const OUString& aTerm, CharClass * pCC)
{
        sal_Int32 tlen = aTerm.getLength();
        if ((pCC) && (tlen))
        {
            String aStr(aTerm);
            sal_Int32 nc = 0;
            for (sal_uInt16 tindex = 0; tindex < tlen;  tindex++)
            {
                if (pCC->getCharacterType(aStr,tindex) &
                   ::com::sun::star::i18n::KCharacterType::UPPER) nc++;
            }

            if (nc == 0)
                return (sal_uInt16) CAPTYPE_NOCAP;
            if (nc == tlen)
                return (sal_uInt16) CAPTYPE_ALLCAP;
            if ((nc == 1) && (pCC->getCharacterType(aStr,0) &
                  ::com::sun::star::i18n::KCharacterType::UPPER))
                return (sal_uInt16) CAPTYPE_INITCAP;

            return (sal_uInt16) CAPTYPE_MIXED;
        }
        return (sal_uInt16) CAPTYPE_UNKNOWN;
}



OUString SAL_CALL Thesaurus::makeLowerCase(const OUString& aTerm, CharClass * pCC)
{
    if (pCC)
        return pCC->toLower_rtl(aTerm, 0, aTerm.getLength());
    return aTerm;
}


OUString SAL_CALL Thesaurus::makeUpperCase(const OUString& aTerm, CharClass * pCC)
{
    if (pCC)
        return pCC->toUpper_rtl(aTerm, 0, aTerm.getLength());
    return aTerm;
}


OUString SAL_CALL Thesaurus::makeInitCap(const OUString& aTerm, CharClass * pCC)
{
    sal_Int32 tlen = aTerm.getLength();
    if ((pCC) && (tlen))
    {
        OUString bTemp = aTerm.copy(0,1);
        if (tlen > 1)
        {
            return ( pCC->toUpper_rtl(bTemp, 0, 1)
                     + pCC->toLower_rtl(aTerm,1,(tlen-1)) );
        }

        return pCC->toUpper_rtl(bTemp, 0, 1);
    }
    return aTerm;
}



void SAL_CALL Thesaurus::dispose()
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );

	if (!bDisposing)
	{
		bDisposing = sal_True;
		EventObject	aEvtObj( (XThesaurus *) this );
		aEvtListeners.disposeAndClear( aEvtObj );
	}
}


void SAL_CALL Thesaurus::addEventListener( const Reference< XEventListener >& rxListener )
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );

	if (!bDisposing && rxListener.is())
		aEvtListeners.addInterface( rxListener );
}


void SAL_CALL Thesaurus::removeEventListener( const Reference< XEventListener >& rxListener )
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );

	if (!bDisposing && rxListener.is())
		aEvtListeners.removeInterface( rxListener );
}


///////////////////////////////////////////////////////////////////////////
// Service specific part
//

OUString SAL_CALL Thesaurus::getImplementationName()
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );
	return getImplementationName_Static();
}


sal_Bool SAL_CALL Thesaurus::supportsService( const OUString& ServiceName )
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );

	Sequence< OUString > aSNL = getSupportedServiceNames();
	const OUString * pArray = aSNL.getConstArray();
	for( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
		if( pArray[i] == ServiceName )
			return sal_True;
	return sal_False;
}


Sequence< OUString > SAL_CALL Thesaurus::getSupportedServiceNames()
		throw(RuntimeException)
{
	MutexGuard	aGuard( GetLinguMutex() );
	return getSupportedServiceNames_Static();
}


Sequence< OUString > Thesaurus::getSupportedServiceNames_Static()
		throw()
{
	MutexGuard	aGuard( GetLinguMutex() );

	Sequence< OUString > aSNS( 1 );	// auch mehr als 1 Service moeglich
	aSNS.getArray()[0] = A2OU( SN_THESAURUS );
	return aSNS;
}

void * SAL_CALL Thesaurus_getFactory( const sal_Char * pImplName,
			XMultiServiceFactory * pServiceManager, void *  )
{
	void * pRet = 0;
	if ( !Thesaurus::getImplementationName_Static().compareToAscii( pImplName ) )
	{

		Reference< XSingleServiceFactory > xFactory =
			cppu::createOneInstanceFactory(
				pServiceManager,
				Thesaurus::getImplementationName_Static(),
				Thesaurus_CreateInstance,
				Thesaurus::getSupportedServiceNames_Static());
		// acquire, because we return an interface pointer instead of a reference
		xFactory->acquire();
		pRet = xFactory.get();
	}
	return pRet;
}


///////////////////////////////////////////////////////////////////////////


#undef CAPTYPE_UNKNOWN
#undef CAPTYPE_NOCAP
#undef CAPTYPE_INITCAP
#undef CAPTYPE_ALLCAP
#undef CAPTYPE_MIXED