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+/* -*- 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: */