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|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: sspellimp.cxx,v $
*
* $Revision: 1.19 $
*
* last change: $Author: obo $ $Date: 2008-03-25 16:51:15 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_lingucomponent.hxx"
#ifndef _COM_SUN_STAR_UNO_REFERENCE_H_
#include <com/sun/star/uno/Reference.h>
#endif
#ifndef _COM_SUN_STAR_LINGUISTIC2_XSEARCHABLEDICTIONARYLIST_HPP_
#include <com/sun/star/linguistic2/XSearchableDictionaryList.hpp>
#endif
#include <com/sun/star/linguistic2/SpellFailure.hpp>
#include <cppuhelper/factory.hxx> // helper for factories
#include <com/sun/star/registry/XRegistryKey.hpp>
#ifndef _TOOLS_DEBUG_HXX //autogen wg. DBG_ASSERT
#include <tools/debug.hxx>
#endif
#ifndef _UNOTOOLS_PROCESSFACTORY_HXX_
#include <unotools/processfactory.hxx>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#include <hunspell.hxx>
#include <dictmgr.hxx>
#ifndef _SPELLIMP_HXX
#include <sspellimp.hxx>
#endif
#include <linguistic/lngprops.hxx>
#include "spelldta.hxx"
#ifndef INCLUDED_I18NPOOL_MSLANGID_HXX
#include <i18npool/mslangid.hxx>
#endif
#ifndef INCLUDED_SVTOOLS_PATHOPTIONS_HXX
#include <svtools/pathoptions.hxx>
#endif
#ifndef _SVTOOLS_LINGUCFG_HXX_
#include <svtools/lingucfg.hxx>
#endif
#ifndef INCLUDED_SVTOOLS_USEROPTIONS_HXX
#include <svtools/useroptions.hxx>
#endif
#include <osl/file.hxx>
#include <rtl/ustrbuf.hxx>
#include <lingutil.hxx>
#include <list>
#include <set>
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;
///////////////////////////////////////////////////////////////////////////
SpellChecker::SpellChecker() :
aEvtListeners ( GetLinguMutex() )
{
aDicts = NULL;
aDEncs = NULL;
aDLocs = NULL;
aDNames = NULL;
bDisposing = FALSE;
pPropHelper = NULL;
numdict = 0;
}
SpellChecker::~SpellChecker()
{
if (aDicts) {
for (int i = 0; i < numdict; i++) {
if (aDicts[i]) delete aDicts[i];
aDicts[i] = NULL;
}
delete[] aDicts;
}
aDicts = NULL;
numdict = 0;
if (aDEncs) delete[] aDEncs;
aDEncs = NULL;
if (aDLocs) delete[] aDLocs;
aDLocs = NULL;
if (aDNames) delete[] aDNames;
aDNames = NULL;
if (pPropHelper)
pPropHelper->RemoveAsPropListener();
}
PropertyHelper_Spell & SpellChecker::GetPropHelper_Impl()
{
if (!pPropHelper)
{
Reference< XPropertySet > xPropSet( GetLinguProperties(), UNO_QUERY );
pPropHelper = new PropertyHelper_Spell( (XSpellChecker *) this, xPropSet );
xPropHelper = pPropHelper;
pPropHelper->AddAsPropListener(); //! after a reference is established
}
return *pPropHelper;
}
Sequence< Locale > SAL_CALL SpellChecker::getLocales()
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
// this routine should return the locales supported by the installed
// dictionaries.
if (!numdict)
{
SvtLinguConfig aLinguCfg;
// get list of extension dictionaries-to-use
// (or better speaking: the list of dictionaries using the
// new configuration entries).
std::list< SvtLinguConfigDictionaryEntry > aDics;
uno::Sequence< rtl::OUString > aFormatList;
aLinguCfg.GetSupportedDictionaryFormatsFor( A2OU("SpellCheckers"),
A2OU("org.openoffice.lingu.MySpellSpellChecker"), 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( "DICT" ) );
// 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 );
numdict = aDics.size();
if (numdict)
{
// 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;
}
// add dictionary information
aDicts = new Hunspell* [numdict];
aDEncs = new rtl_TextEncoding [numdict];
aDLocs = new Locale [numdict];
aDNames = new OUString [numdict];
k = 0;
for (aDictIt = aDics.begin(); aDictIt != aDics.end(); ++aDictIt)
{
if (aDictIt->aLocaleNames.getLength() > 0 &&
aDictIt->aLocations.getLength() > 0)
{
aDicts[k] = NULL;
aDEncs[k] = 0;
// currently HunSpell supports only one language per dictionary...
aDLocs[k] = MsLangId::convertLanguageToLocale(
MsLangId::convertIsoStringToLanguage( aDictIt->aLocaleNames[0] ));
// 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 );
aDNames[k] = aLocation;
}
++k;
}
}
else
{
/* no dictionary found so register no dictionaries */
numdict = 0;
aDicts = NULL;
aDEncs = NULL;
aDLocs = NULL;
aDNames = NULL;
aSuppLocales.realloc(0);
}
}
return aSuppLocales;
}
sal_Bool SAL_CALL SpellChecker::hasLocale(const Locale& rLocale)
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
BOOL bRes = FALSE;
if (!aSuppLocales.getLength())
getLocales();
INT32 nLen = aSuppLocales.getLength();
for (INT32 i = 0; i < nLen; ++i)
{
const Locale *pLocale = aSuppLocales.getConstArray();
if (rLocale == pLocale[i])
{
bRes = TRUE;
break;
}
}
return bRes;
}
INT16 SpellChecker::GetSpellFailure( const OUString &rWord, const Locale &rLocale )
{
Hunspell * pMS;
rtl_TextEncoding aEnc;
// initialize a myspell object for each dictionary once
// (note: mutex is held higher up in isValid)
INT16 nRes = -1;
// first handle smart quotes both single and double
OUStringBuffer rBuf(rWord);
sal_Int32 n = rBuf.getLength();
sal_Unicode c;
for (sal_Int32 ix=0; ix < n; ix++) {
c = rBuf.charAt(ix);
if ((c == 0x201C) || (c == 0x201D)) rBuf.setCharAt(ix,(sal_Unicode)0x0022);
if ((c == 0x2018) || (c == 0x2019)) rBuf.setCharAt(ix,(sal_Unicode)0x0027);
}
OUString nWord(rBuf.makeStringAndClear());
if (n)
{
for (int i =0; i < numdict; i++) {
pMS = NULL;
aEnc = 0;
if (rLocale == aDLocs[i])
{
if (!aDicts[i])
{
OUString dicpath = aDNames[i] + A2OU(".dic");
OUString affpath = aDNames[i] + A2OU(".aff");
OUString dict;
OUString aff;
osl::FileBase::getSystemPathFromFileURL(dicpath,dict);
osl::FileBase::getSystemPathFromFileURL(affpath,aff);
OString aTmpaff(OU2ENC(aff,osl_getThreadTextEncoding()));
OString aTmpdict(OU2ENC(dict,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.
aTmpaff = Win_GetShortPathName( aff );
aTmpdict = Win_GetShortPathName( dict );
#endif
aDicts[i] = new Hunspell(aTmpaff.getStr(),aTmpdict.getStr());
aDEncs[i] = 0;
if (aDicts[i]) {
char * dic_encoding = aDicts[i]->get_dic_encoding();
aDEncs[i] = rtl_getTextEncodingFromUnixCharset(aDicts[i]->get_dic_encoding());
if (aDEncs[i] == RTL_TEXTENCODING_DONTKNOW) {
if (strcmp("ISCII-DEVANAGARI", dic_encoding) == 0) {
aDEncs[i] = RTL_TEXTENCODING_ISCII_DEVANAGARI;
} else if (strcmp("UTF-8", dic_encoding) == 0) {
aDEncs[i] = RTL_TEXTENCODING_UTF8;
}
}
}
}
pMS = aDicts[i];
aEnc = aDEncs[i];
}
if (pMS)
{
OString aWrd(OU2ENC(nWord,aEnc));
int rVal = pMS->spell((char*)aWrd.getStr());
if (rVal != 1)
{
nRes = SpellFailure::SPELLING_ERROR;
} else {
return -1;
}
pMS = NULL;
}
}
}
return nRes;
}
sal_Bool SAL_CALL
SpellChecker::isValid( const OUString& rWord, const Locale& rLocale,
const PropertyValues& rProperties )
throw(IllegalArgumentException, RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (rLocale == Locale() || !rWord.getLength())
return TRUE;
if (!hasLocale( rLocale ))
#ifdef LINGU_EXCEPTIONS
throw( IllegalArgumentException() );
#else
return TRUE;
#endif
// Get property values to be used.
// These are be the default values set in the SN_LINGU_PROPERTIES
// PropertySet which are overridden by the supplied ones from the
// last argument.
// You'll probably like to use a simplier solution than the provided
// one using the PropertyHelper_Spell.
PropertyHelper_Spell &rHelper = GetPropHelper();
rHelper.SetTmpPropVals( rProperties );
INT16 nFailure = GetSpellFailure( rWord, rLocale );
if (nFailure != -1)
{
INT16 nLang = LocaleToLanguage( rLocale );
// postprocess result for errors that should be ignored
if ( (!rHelper.IsSpellUpperCase() && IsUpper( rWord, nLang ))
|| (!rHelper.IsSpellWithDigits() && HasDigits( rWord ))
|| (!rHelper.IsSpellCapitalization()
&& nFailure == SpellFailure::CAPTION_ERROR)
)
nFailure = -1;
}
return (nFailure == -1);
}
Reference< XSpellAlternatives >
SpellChecker::GetProposals( const OUString &rWord, const Locale &rLocale )
{
// Retrieves the return values for the 'spell' function call in case
// of a misspelled word.
// Especially it may give a list of suggested (correct) words:
Reference< XSpellAlternatives > xRes;
// note: mutex is held by higher up by spell which covers both
Hunspell* pMS;
rtl_TextEncoding aEnc;
int count;
int numsug = 0;
// first handle smart quotes (single and double)
OUStringBuffer rBuf(rWord);
sal_Int32 n = rBuf.getLength();
sal_Unicode c;
for (sal_Int32 ix=0; ix < n; ix++) {
c = rBuf.charAt(ix);
if ((c == 0x201C) || (c == 0x201D)) rBuf.setCharAt(ix,(sal_Unicode)0x0022);
if ((c == 0x2018) || (c == 0x2019)) rBuf.setCharAt(ix,(sal_Unicode)0x0027);
}
OUString nWord(rBuf.makeStringAndClear());
if (n)
{
INT16 nLang = LocaleToLanguage( rLocale );
Sequence< OUString > aStr( 0 );
for (int i =0; i < numdict; i++) {
pMS = NULL;
aEnc = 0;
count = 0;
if (rLocale == aDLocs[i])
{
pMS = aDicts[i];
aEnc = aDEncs[i];
}
if (pMS)
{
char ** suglst = NULL;
OString aWrd(OU2ENC(nWord,aEnc));
count = pMS->suggest(&suglst, (const char *) aWrd.getStr());
if (count) {
aStr.realloc( numsug + count );
OUString *pStr = aStr.getArray();
for (int ii=0; ii < count; ii++)
{
// if needed add: if (suglst[ii] == NULL) continue;
OUString cvtwrd(suglst[ii],strlen(suglst[ii]),aEnc);
pStr[numsug + ii] = cvtwrd;
free(suglst[ii]);
}
free(suglst);
numsug += count;
}
}
}
// now return an empty alternative for no suggestions or the list of alternatives if some found
SpellAlternatives *pAlt = new SpellAlternatives;
String aTmp(rWord);
pAlt->SetWordLanguage( aTmp, nLang );
pAlt->SetFailureType( SpellFailure::SPELLING_ERROR );
pAlt->SetAlternatives( aStr );
xRes = pAlt;
return xRes;
}
return xRes;
}
Reference< XSpellAlternatives > SAL_CALL
SpellChecker::spell( const OUString& rWord, const Locale& rLocale,
const PropertyValues& rProperties )
throw(IllegalArgumentException, RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (rLocale == Locale() || !rWord.getLength())
return NULL;
if (!hasLocale( rLocale ))
#ifdef LINGU_EXCEPTIONS
throw( IllegalArgumentException() );
#else
return NULL;
#endif
Reference< XSpellAlternatives > xAlt;
if (!isValid( rWord, rLocale, rProperties ))
{
xAlt = GetProposals( rWord, rLocale );
}
return xAlt;
}
Reference< XInterface > SAL_CALL SpellChecker_CreateInstance(
const Reference< XMultiServiceFactory > & /*rSMgr*/ )
throw(Exception)
{
Reference< XInterface > xService = (cppu::OWeakObject*) new SpellChecker;
return xService;
}
sal_Bool SAL_CALL
SpellChecker::addLinguServiceEventListener(
const Reference< XLinguServiceEventListener >& rxLstnr )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
BOOL bRes = FALSE;
if (!bDisposing && rxLstnr.is())
{
bRes = GetPropHelper().addLinguServiceEventListener( rxLstnr );
}
return bRes;
}
sal_Bool SAL_CALL
SpellChecker::removeLinguServiceEventListener(
const Reference< XLinguServiceEventListener >& rxLstnr )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
BOOL bRes = FALSE;
if (!bDisposing && rxLstnr.is())
{
DBG_ASSERT( xPropHelper.is(), "xPropHelper non existent" );
bRes = GetPropHelper().removeLinguServiceEventListener( rxLstnr );
}
return bRes;
}
OUString SAL_CALL
SpellChecker::getServiceDisplayName( const Locale& /*rLocale*/ )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return A2OU( "OpenOffice.org Hunspell SpellChecker" );
}
void SAL_CALL
SpellChecker::initialize( const Sequence< Any >& rArguments )
throw(Exception, RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!pPropHelper)
{
INT32 nLen = rArguments.getLength();
if (2 == nLen)
{
Reference< XPropertySet > xPropSet;
rArguments.getConstArray()[0] >>= xPropSet;
//rArguments.getConstArray()[1] >>= xDicList;
//! 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_Spell( (XSpellChecker *) this, xPropSet );
xPropHelper = pPropHelper;
pPropHelper->AddAsPropListener(); //! after a reference is established
}
else
DBG_ERROR( "wrong number of arguments in sequence" );
}
}
void SAL_CALL
SpellChecker::dispose()
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!bDisposing)
{
bDisposing = TRUE;
EventObject aEvtObj( (XSpellChecker *) this );
aEvtListeners.disposeAndClear( aEvtObj );
}
}
void SAL_CALL
SpellChecker::addEventListener( const Reference< XEventListener >& rxListener )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!bDisposing && rxListener.is())
aEvtListeners.addInterface( rxListener );
}
void SAL_CALL
SpellChecker::removeEventListener( const Reference< XEventListener >& rxListener )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!bDisposing && rxListener.is())
aEvtListeners.removeInterface( rxListener );
}
///////////////////////////////////////////////////////////////////////////
// Service specific part
//
OUString SAL_CALL SpellChecker::getImplementationName()
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return getImplementationName_Static();
}
sal_Bool SAL_CALL SpellChecker::supportsService( const OUString& ServiceName )
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
Sequence< OUString > aSNL = getSupportedServiceNames();
const OUString * pArray = aSNL.getConstArray();
for( INT32 i = 0; i < aSNL.getLength(); i++ )
if( pArray[i] == ServiceName )
return TRUE;
return FALSE;
}
Sequence< OUString > SAL_CALL SpellChecker::getSupportedServiceNames()
throw(RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return getSupportedServiceNames_Static();
}
Sequence< OUString > SpellChecker::getSupportedServiceNames_Static()
throw()
{
MutexGuard aGuard( GetLinguMutex() );
Sequence< OUString > aSNS( 1 ); // auch mehr als 1 Service moeglich
aSNS.getArray()[0] = A2OU( SN_SPELLCHECKER );
return aSNS;
}
sal_Bool SAL_CALL SpellChecker_writeInfo(
void * /*pServiceManager*/, registry::XRegistryKey * pRegistryKey )
{
try
{
String aImpl( '/' );
aImpl += SpellChecker::getImplementationName_Static().getStr();
aImpl.AppendAscii( "/UNO/SERVICES" );
Reference< registry::XRegistryKey > xNewKey =
pRegistryKey->createKey( aImpl );
Sequence< OUString > aServices =
SpellChecker::getSupportedServiceNames_Static();
for( INT32 i = 0; i < aServices.getLength(); i++ )
xNewKey->createKey( aServices.getConstArray()[i] );
return sal_True;
}
catch(Exception &)
{
return sal_False;
}
}
void * SAL_CALL SpellChecker_getFactory( const sal_Char * pImplName,
XMultiServiceFactory * pServiceManager, void * )
{
void * pRet = 0;
if ( !SpellChecker::getImplementationName_Static().compareToAscii( pImplName ) )
{
Reference< XSingleServiceFactory > xFactory =
cppu::createOneInstanceFactory(
pServiceManager,
SpellChecker::getImplementationName_Static(),
SpellChecker_CreateInstance,
SpellChecker::getSupportedServiceNames_Static());
// acquire, because we return an interface pointer instead of a reference
xFactory->acquire();
pRet = xFactory.get();
}
return pRet;
}
///////////////////////////////////////////////////////////////////////////
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