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Diffstat (limited to 'linguistic/workben/sspellimp.cxx')
| -rw-r--r-- | linguistic/workben/sspellimp.cxx | 476 |
1 files changed, 476 insertions, 0 deletions
diff --git a/linguistic/workben/sspellimp.cxx b/linguistic/workben/sspellimp.cxx new file mode 100644 index 000000000..04c5d03d6 --- /dev/null +++ b/linguistic/workben/sspellimp.cxx @@ -0,0 +1,476 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <com/sun/star/uno/Reference.h> +#include <com/sun/star/linguistic2/XSearchableDictionaryList.hpp> +#include <com/sun/star/linguistic2/SpellFailure.hpp> +#include <com/sun/star/registry/XRegistryKey.hpp> +#include <cppuhelper/factory.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <tools/debug.hxx> +#include <osl/mutex.hxx> + +#include <sspellimp.hxx> + +#include "linguistic/lngprops.hxx" +#include "linguistic/spelldta.hxx" + +using namespace utl; +using namespace osl; +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; + + +sal_Bool operator == ( const Locale &rL1, const Locale &rL2 ) +{ + return rL1.Language == rL2.Language && + rL1.Country == rL2.Country && + rL1.Variant == rL2.Variant; +} + + +SpellChecker::SpellChecker() : + aEvtListeners ( GetLinguMutex() ), + pPropHelper(NULL), + bDisposing(sal_False) +{ +} + + +SpellChecker::~SpellChecker() +{ + if (pPropHelper) + pPropHelper->RemoveAsPropListener(); +} + + +PropertyHelper_Spell & SpellChecker::GetPropHelper_Impl() +{ + if (!pPropHelper) + { + Reference< XLinguProperties > xPropSet = GetLinguProperties(); + + 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() ); + + if (!aSuppLocales.getLength()) + { + aSuppLocales.realloc( 3 ); + Locale *pLocale = aSuppLocales.getArray(); + pLocale[0] = Locale( "en", "US", OUString() ); + pLocale[1] = Locale( "de", "DE", OUString() ); + pLocale[2] = Locale( "de", "CH", OUString() ); + } + + return aSuppLocales; +} + + +sal_Bool SAL_CALL SpellChecker::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; +} + + +sal_Int16 SpellChecker::GetSpellFailure( const OUString &rWord, const Locale & ) +{ + // Checks whether a word is OK in a given language (Locale) or not, and + // provides a failure type for the incorrect ones. + // - words with "liss" (case sensitive) as substring will be negative. + // - words with 'x' or 'X' will have incorrect spelling. + // - words with 's' or 'S' as first letter will have the wrong caption. + // - all other words will be OK. + + sal_Int16 nRes = -1; + + String aTmp( rWord ); + if (aTmp.Len()) + { + if (-1 != aTmp.indexOf( "liss" )) + { + nRes = SpellFailure::IS_NEGATIVE_WORD; + } + else if (-1 != aTmp.indexOf( 'x' ) || + -1 != aTmp.indexOf( 'X' )) + { + nRes = SpellFailure::SPELLING_ERROR; + } + else + { + sal_Unicode cChar = aTmp.GetChar( 0 ); + if (cChar == 's' || cChar == 'S') + nRes = SpellFailure::CAPTION_ERROR; + } + } + + 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 sal_True; + + if (!hasLocale( rLocale )) +#ifdef LINGU_EXCEPTIONS + throw( IllegalArgumentException() ); +#else + return sal_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 simpler solution than the provided + // one using the PropertyHelper_Spell. + PropertyHelper_Spell &rHelper = GetPropHelper(); + rHelper.SetTmpPropVals( rProperties ); + + sal_Int16 nFailure = GetSpellFailure( rWord, rLocale ); + if (nFailure != -1) + { + sal_Int16 nLang = LinguLocaleToLanguage( 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: + // - a "liss" substring will be replaced by "liz". + // - 'x' or 'X' will be replaced by 'u' or 'U' for the first proposal + // and they will be removed from the word for the second proposal. + // - 's' or 'S' as first letter will be changed to the other caption. + + Reference< XSpellAlternatives > xRes; + + String aTmp( rWord ); + if (aTmp.Len()) + { + sal_Int16 nLang = LinguLocaleToLanguage( rLocale ); + + if (-1 != aTmp.indexOf( "liss" )) + { + aTmp.SearchAndReplaceAllAscii( "liss", "liz" ); + xRes = new SpellAlternatives( aTmp, nLang, + SpellFailure::IS_NEGATIVE_WORD, css::uno::Sequence< OUString >() ); + } + else if (-1 != aTmp.indexOf( 'x' ) || + -1 != aTmp.indexOf( 'X' )) + { + Sequence< OUString > aStr( 2 ); + OUString *pStr = aStr.getArray(); + String aAlt1( aTmp ), + aAlt2( aTmp ); + aAlt1.SearchAndReplaceAll( 'x', 'u'); + aAlt1.SearchAndReplaceAll( 'X', 'U'); + aAlt2 = aAlt2.replaceAll("x", "").replaceAll("X", ""); + pStr[0] = aAlt1; + pStr[1] = aAlt2; + + SpellAlternatives *pAlt = new SpellAlternatives; + pAlt->SetWordLanguage( aTmp, nLang ); + pAlt->SetFailureType( SpellFailure::SPELLING_ERROR ); + pAlt->SetAlternatives( aStr ); + + xRes = pAlt; + } + else + { + sal_Unicode cChar = aTmp.GetChar( 0 ); + if (cChar == 's' || cChar == 'S') + { + sal_Unicode cNewChar = cChar == 's' ? + 'S': 's'; + aTmp.GetBufferAccess()[0] = cNewChar; + xRes = new SpellAlternatives( aTmp, nLang, + SpellFailure::CAPTION_ERROR, css::uno::Sequence< OUString >() ); + } + } + } + + 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 > & ) + 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() ); + + sal_Bool bRes = sal_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() ); + + sal_Bool bRes = sal_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& ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return OUString( "OpenOffice example spellchecker" ); +} + + +void SAL_CALL + SpellChecker::initialize( const Sequence< Any >& rArguments ) + throw(Exception, RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (!pPropHelper) + { + sal_Int32 nLen = rArguments.getLength(); + if (2 == 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 no longer used. + pPropHelper = new PropertyHelper_Spell( (XSpellChecker *) this, xPropSet ); + xPropHelper = pPropHelper; + pPropHelper->AddAsPropListener(); //! after a reference is established + } + else + OSL_FAIL( "wrong number of arguments in sequence" ); + } +} + + +void SAL_CALL + SpellChecker::dispose() + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (!bDisposing) + { + bDisposing = sal_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) +{ + return getImplementationName_Static(); +} + + +sal_Bool SAL_CALL SpellChecker::supportsService( const OUString& ServiceName ) + throw(RuntimeException) +{ + return cppu::supportsService(this, ServiceName); +} + +Sequence< OUString > SAL_CALL SpellChecker::getSupportedServiceNames() + throw(RuntimeException) +{ + return getSupportedServiceNames_Static(); +} + + +Sequence< OUString > SpellChecker::getSupportedServiceNames_Static() + throw() +{ + Sequence< OUString > aSNS { SN_SPELLCHECKER }; + return aSNS; +} + + +sal_Bool SAL_CALL SpellChecker_writeInfo( + void * /*pServiceManager*/, registry::XRegistryKey * pRegistryKey ) +{ + try + { + OUString aImpl( "/" + SpellChecker::getImplementationName_Static().getStr() + + "/UNO/SERVICES" ); + + Reference< registry::XRegistryKey > xNewKey = + pRegistryKey->createKey( aImpl ); + Sequence< OUString > aServices = + SpellChecker::getSupportedServiceNames_Static(); + for( sal_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 char * pImplName, + XMultiServiceFactory * pServiceManager, void * ) +{ + void * pRet = 0; + if ( SpellChecker::getImplementationName_Static().equalsAscii( 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; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |