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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/SpellFailure.hpp>
+#include <com/sun/star/linguistic2/XSearchableDictionaryList.hpp>
+#include <osl/mutex.hxx>
+#include <i18nlangtag/languagetag.hxx>
+
+#include <algorithm>
+#include <utility>
+#include <vector>
+
+#include <linguistic/misc.hxx>
+#include <linguistic/spelldta.hxx>
+#include <rtl/ref.hxx>
+
+
+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;
+
+
+namespace linguistic
+{
+
+#define MAX_PROPOSALS 40
+
+static bool SeqHasEntry(
+ const std::vector< OUString > &rSeq,
+ std::u16string_view rTxt)
+{
+ bool bRes = false;
+ sal_Int32 nLen = rSeq.size();
+ for (sal_Int32 i = 0; i < nLen && !bRes; ++i)
+ {
+ if (rTxt == rSeq[i])
+ bRes = true;
+ }
+ return bRes;
+}
+
+
+void SearchSimilarText( const OUString &rText, LanguageType nLanguage,
+ Reference< XSearchableDictionaryList > const &xDicList,
+ std::vector< OUString > & rDicListProps )
+{
+ if (!xDicList.is())
+ return;
+
+ const uno::Sequence< Reference< XDictionary > >
+ aDics( xDicList->getDictionaries() );
+ const Reference< XDictionary >
+ *pDic = aDics.getConstArray();
+ sal_Int32 nDics = xDicList->getCount();
+
+ for (sal_Int32 i = 0; i < nDics; i++)
+ {
+ Reference< XDictionary > xDic = pDic[i];
+
+ LanguageType nLang = LinguLocaleToLanguage( xDic->getLocale() );
+
+ if ( xDic.is() && xDic->isActive()
+ && (nLang == nLanguage || LinguIsUnspecified( nLang)) )
+ {
+#if OSL_DEBUG_LEVEL > 0
+ DictionaryType eType = xDic->getDictionaryType();
+ (void) eType;
+ assert( eType != DictionaryType_MIXED && "unexpected dictionary type" );
+#endif
+ const Sequence< Reference< XDictionaryEntry > > aEntries = xDic->getEntries();
+ for (const Reference<XDictionaryEntry>& rEntry : aEntries)
+ {
+ OUString aEntryTxt;
+ if (rEntry.is())
+ {
+ // remove characters used to determine hyphenation positions
+ aEntryTxt = rEntry->getDictionaryWord().replaceAll("=", "");
+ }
+ if (!aEntryTxt.isEmpty() && aEntryTxt.getLength() > 1 && LevDistance( rText, aEntryTxt ) <= 2)
+ rDicListProps.push_back( aEntryTxt );
+ }
+ }
+ }
+}
+
+
+void SeqRemoveNegEntries( std::vector< OUString > &rSeq,
+ Reference< XSearchableDictionaryList > const &rxDicList,
+ LanguageType nLanguage )
+{
+ bool bSthRemoved = false;
+ sal_Int32 nLen = rSeq.size();
+ for (sal_Int32 i = 0; i < nLen; ++i)
+ {
+ Reference< XDictionaryEntry > xNegEntry( SearchDicList( rxDicList,
+ rSeq[i], nLanguage, false, true ) );
+ if (xNegEntry.is())
+ {
+ rSeq[i].clear();
+ bSthRemoved = true;
+ }
+ }
+ if (bSthRemoved)
+ {
+ std::vector< OUString > aNew;
+ // merge sequence without duplicates and empty strings in new empty sequence
+ rSeq = MergeProposalSeqs( aNew, rSeq );
+ }
+}
+
+
+std::vector< OUString > MergeProposalSeqs(
+ std::vector< OUString > &rAlt1,
+ std::vector< OUString > &rAlt2 )
+{
+ std::vector< OUString > aMerged;
+
+ size_t nAltCount1 = rAlt1.size();
+ size_t nAltCount2 = rAlt2.size();
+
+ sal_Int32 nCountNew = std::min<sal_Int32>( nAltCount1 + nAltCount2, sal_Int32(MAX_PROPOSALS) );
+ aMerged.resize( nCountNew );
+
+ sal_Int32 nIndex = 0;
+ sal_Int32 i = 0;
+ for (int j = 0; j < 2; j++)
+ {
+ sal_Int32 nCount = j == 0 ? nAltCount1 : nAltCount2;
+ std::vector< OUString >& rAlt = j == 0 ? rAlt1 : rAlt2;
+ for (i = 0; i < nCount && nIndex < MAX_PROPOSALS; i++)
+ {
+ if (!rAlt[i].isEmpty() &&
+ !SeqHasEntry(aMerged, rAlt[i] ))
+ aMerged[ nIndex++ ] = rAlt[ i ];
+ }
+ }
+ aMerged.resize( nIndex );
+
+ return aMerged;
+}
+
+
+SpellAlternatives::SpellAlternatives()
+{
+ nLanguage = LANGUAGE_NONE;
+ nType = SpellFailure::IS_NEGATIVE_WORD;
+}
+
+
+SpellAlternatives::SpellAlternatives(
+ OUString aWord_, LanguageType nLang,
+ const Sequence< OUString > &rAlternatives ) :
+ aAlt (rAlternatives),
+ aWord (std::move(aWord_)),
+ nType (SpellFailure::IS_NEGATIVE_WORD),
+ nLanguage (nLang)
+{
+}
+
+
+SpellAlternatives::~SpellAlternatives()
+{
+}
+
+
+OUString SAL_CALL SpellAlternatives::getWord()
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ return aWord;
+}
+
+
+Locale SAL_CALL SpellAlternatives::getLocale()
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ return LanguageTag::convertToLocale( nLanguage );
+}
+
+
+sal_Int16 SAL_CALL SpellAlternatives::getFailureType()
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ return nType;
+}
+
+
+sal_Int16 SAL_CALL SpellAlternatives::getAlternativesCount()
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ return static_cast<sal_Int16>(aAlt.getLength());
+}
+
+
+Sequence< OUString > SAL_CALL SpellAlternatives::getAlternatives()
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ return aAlt;
+}
+
+
+void SAL_CALL SpellAlternatives::setAlternatives( const uno::Sequence< OUString >& rAlternatives )
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ aAlt = rAlternatives;
+}
+
+
+void SAL_CALL SpellAlternatives::setFailureType( sal_Int16 nFailureType )
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ nType = nFailureType;
+}
+
+
+void SpellAlternatives::SetWordLanguage(const OUString &rWord, LanguageType nLang)
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ aWord = rWord;
+ nLanguage = nLang;
+}
+
+
+void SpellAlternatives::SetFailureType(sal_Int16 nTypeP)
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ nType = nTypeP;
+}
+
+
+void SpellAlternatives::SetAlternatives( const Sequence< OUString > &rAlt )
+{
+ MutexGuard aGuard( GetLinguMutex() );
+ aAlt = rAlt;
+}
+
+
+css::uno::Reference < css::linguistic2::XSpellAlternatives > SpellAlternatives::CreateSpellAlternatives(
+ const OUString &rWord, LanguageType nLang, sal_Int16 nTypeP, const css::uno::Sequence< OUString > &rAlt )
+{
+ rtl::Reference<SpellAlternatives> pAlt = new SpellAlternatives;
+ pAlt->SetWordLanguage( rWord, nLang );
+ pAlt->SetFailureType( nTypeP );
+ pAlt->SetAlternatives( rAlt );
+ return pAlt;
+}
+
+
+} // namespace linguistic
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */