Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 330 insertions, 0 deletions

diff --git a/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx b/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx
new file mode 100644
index 000000000..3806dd68b
--- /dev/null
+++ b/xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx
@@ -0,0 +1,330 @@
+/* -*- 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 <iterator>
+
+#include <com/sun/star/ucb/Command.hpp>
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+#include <com/sun/star/i18n/Transliteration.hpp>
+#include <com/sun/star/ucb/XCommandProcessor.hpp>
+#include <com/sun/star/lang/Locale.hpp>
+
+#include <helpcompiler/HelpSearch.hxx>
+#include <tools/diagnose_ex.h>
+
+#if defined(__GNUC__)
+#  pragma GCC visibility push (default)
+#endif
+#include <CLucene.h>
+#if defined(__GNUC__)
+#  pragma GCC visibility pop
+#endif
+
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+
+#include <algorithm>
+#include <set>
+#include "resultsetforquery.hxx"
+#include "databases.hxx"
+
+using namespace chelp;
+using namespace com::sun::star;
+using namespace com::sun::star::ucb;
+using namespace com::sun::star::i18n;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+
+namespace {
+
+struct HitItem
+{
+    OUString   m_aURL;
+    float      m_fScore;
+
+    HitItem(const OUString& aURL, float fScore)
+        : m_aURL(aURL)
+        , m_fScore(fScore)
+    {}
+    bool operator < ( const HitItem& rHitItem ) const
+    {
+        return rHitItem.m_fScore < m_fScore;
+    }
+};
+
+}
+
+ResultSetForQuery::ResultSetForQuery( const uno::Reference< uno::XComponentContext >& rxContext,
+                                      const uno::Reference< XContentProvider >&  xProvider,
+                                      const uno::Sequence< beans::Property >& seq,
+                                      const URLParameter& aURLParameter,
+                                      Databases* pDatabases )
+    : ResultSetBase( rxContext,xProvider,seq )
+{
+    Reference< XExtendedTransliteration > xTrans = Transliteration::create( rxContext );
+    Locale aLocale( aURLParameter.get_language(),
+                    OUString(),
+                    OUString() );
+    xTrans->loadModule(TransliterationModules_UPPERCASE_LOWERCASE,
+                       aLocale );
+
+    std::vector< std::vector< OUString > > queryList;
+    {
+        sal_Int32 idx;
+        OUString query = aURLParameter.get_query();
+        while( !query.isEmpty() )
+        {
+            idx = query.indexOf( ' ' );
+            if( idx == -1 )
+                idx = query.getLength();
+
+            std::vector< OUString > currentQuery;
+            OUString tmp(query.copy( 0,idx ));
+            Sequence<sal_Int32> aSeq;
+            OUString toliterate = xTrans->transliterate(
+                tmp,0,tmp.getLength(),aSeq);
+
+            currentQuery.push_back( toliterate );
+            queryList.push_back( currentQuery );
+
+            int nCpy = 1 + idx;
+            if( nCpy >= query.getLength() )
+                query.clear();
+            else
+                query = query.copy( 1 + idx );
+        }
+    }
+
+    std::vector< OUString > aCompleteResultVector;
+    OUString scope = aURLParameter.get_scope();
+    bool bCaptionsOnly = scope == "Heading";
+    sal_Int32 hitCount = aURLParameter.get_hitCount();
+
+    IndexFolderIterator aIndexFolderIt( *pDatabases, aURLParameter.get_module(), aURLParameter.get_language() );
+    OUString idxDir;
+    bool bExtension = false;
+    std::vector< std::vector<HitItem> > aIndexFolderResultVectorVector;
+
+    bool bTemporary;
+    for (;;)
+    {
+        idxDir = aIndexFolderIt.nextIndexFolder( bExtension, bTemporary );
+        if( idxDir.isEmpty() )
+            break;
+        std::vector<HitItem> aIndexFolderResultVector;
+
+        try
+        {
+            std::vector< std::vector<HitItem> > aQueryListResultVectorVector;
+            std::set< OUString > aSet,aCurrent,aResultSet;
+
+            int nQueryListSize = queryList.size();
+            if( nQueryListSize > 1 )
+                hitCount = 2000;
+
+            for( int i = 0; i < nQueryListSize; ++i )
+            {
+                std::vector<HitItem>* pQueryResultVector;
+                if( nQueryListSize > 1 )
+                {
+                    aQueryListResultVectorVector.emplace_back();
+                    pQueryResultVector = &aQueryListResultVectorVector.back();
+                }
+                else
+                {
+                    pQueryResultVector = &aIndexFolderResultVector;
+                }
+                pQueryResultVector->reserve( hitCount );
+
+                const std::vector< OUString >& aListItem = queryList[i];
+                OUString aNewQueryStr = aListItem[0];
+
+                std::vector<float> aScoreVector;
+                std::vector<OUString> aPathVector;
+
+                try
+                {
+                    HelpSearch searcher(idxDir);
+                    searcher.query(aNewQueryStr, bCaptionsOnly, aPathVector, aScoreVector);
+                }
+                catch (CLuceneError &e)
+                {
+                    SAL_WARN("xmlhelp", "CLuceneError: " << e.what());
+                }
+
+                if( nQueryListSize > 1 )
+                    aSet.clear();
+
+                for (size_t j = 0; j < aPathVector.size(); ++j) {
+                    pQueryResultVector->push_back(HitItem(aPathVector[j], aScoreVector[j]));
+                    if (nQueryListSize > 1)
+                        aSet.insert(aPathVector[j]);
+                }
+
+                // intersect
+                if( nQueryListSize > 1 )
+                {
+                    if( i == 0 )
+                    {
+                        aResultSet = aSet;
+                    }
+                    else
+                    {
+                        aCurrent = aResultSet;
+                        aResultSet.clear();
+                        set_intersection( aSet.begin(),aSet.end(),
+                                          aCurrent.begin(),aCurrent.end(),
+                                          inserter(aResultSet,aResultSet.begin()));
+                    }
+                }
+            }
+
+            // Combine results in aIndexFolderResultVector
+            if( nQueryListSize > 1 )
+            {
+                for( int n = 0 ; n < nQueryListSize ; ++n )
+                {
+                    std::vector<HitItem>& rQueryResultVector = aQueryListResultVectorVector[n];
+
+                    int nItemCount = rQueryResultVector.size();
+                    for( int i = 0 ; i < nItemCount ; ++i )
+                    {
+                        const HitItem& rItem = rQueryResultVector[ i ];
+                        if( (aResultSet.find( rItem.m_aURL )) != aResultSet.end() )
+                        {
+                            HitItem aItemCopy( rItem );
+                            aItemCopy.m_fScore /= nQueryListSize;   // To get average score
+                            if( n == 0 )
+                            {
+                                // Use first pass to create entry
+                                aIndexFolderResultVector.push_back( aItemCopy );
+                            }
+                            else
+                            {
+                                // Find entry in vector
+                                int nCount = aIndexFolderResultVector.size();
+                                for( int j = 0 ; j < nCount ; ++j )
+                                {
+                                    HitItem& rFindItem = aIndexFolderResultVector[ j ];
+                                    if( rFindItem.m_aURL == aItemCopy.m_aURL )
+                                    {
+                                        rFindItem.m_fScore += aItemCopy.m_fScore;
+                                        break;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+
+                sort( aIndexFolderResultVector.begin(), aIndexFolderResultVector.end() );
+            }
+
+            aIndexFolderResultVectorVector.push_back( std::move(aIndexFolderResultVector) );
+        }
+        catch (const Exception &)
+        {
+            TOOLS_WARN_EXCEPTION("xmlhelp", "");
+        }
+
+        if( bTemporary )
+            aIndexFolderIt.deleteTempIndexFolder( idxDir );
+
+    }   // Iterator
+
+
+    int nVectorCount = aIndexFolderResultVectorVector.size();
+    std::unique_ptr<std::vector<HitItem>::size_type[]> pCurrentVectorIndex(new std::vector<HitItem>::size_type[nVectorCount]);
+    for( int j = 0 ; j < nVectorCount ; ++j )
+        pCurrentVectorIndex[j] = 0;
+
+    sal_Int32 nTotalHitCount = aURLParameter.get_hitCount();
+    sal_Int32 nHitCount = 0;
+    while( nHitCount < nTotalHitCount )
+    {
+        int iVectorWithBestScore = -1;
+        float fBestScore = 0.0;
+        for( int k = 0 ; k < nVectorCount ; ++k )
+        {
+            std::vector<HitItem>& rIndexFolderVector = aIndexFolderResultVectorVector[k];
+            if( pCurrentVectorIndex[k] < rIndexFolderVector.size() )
+            {
+                const HitItem& rItem = rIndexFolderVector[ pCurrentVectorIndex[k] ];
+
+                if( fBestScore < rItem.m_fScore )
+                {
+                    fBestScore = rItem.m_fScore;
+                    iVectorWithBestScore = k;
+                }
+            }
+        }
+
+        if( iVectorWithBestScore == -1 )    // No item left at all
+            break;
+
+        std::vector<HitItem>& rIndexFolderVector = aIndexFolderResultVectorVector[iVectorWithBestScore];
+        const HitItem& rItem = rIndexFolderVector[ pCurrentVectorIndex[iVectorWithBestScore] ];
+
+        pCurrentVectorIndex[iVectorWithBestScore]++;
+
+        aCompleteResultVector.push_back( rItem.m_aURL );
+        ++nHitCount;
+    }
+
+    pCurrentVectorIndex.reset();
+    aIndexFolderResultVectorVector.clear();
+
+    sal_Int32 replIdx = OUString( "#HLP#" ).getLength();
+    OUString replWith = "vnd.sun.star.help://";
+
+    int nResultCount = aCompleteResultVector.size();
+    for( int r = 0 ; r < nResultCount ; ++r )
+    {
+        OUString aURL = aCompleteResultVector[r];
+        OUString aResultStr = replWith + aURL.subView(replIdx);
+        m_aPath.push_back( aResultStr );
+    }
+
+    m_aItems.resize( m_aPath.size() );
+    m_aIdents.resize( m_aPath.size() );
+
+    Command aCommand;
+    aCommand.Name = "getPropertyValues";
+    aCommand.Argument <<= m_sProperty;
+
+    for( m_nRow = 0; sal::static_int_cast<sal_uInt32>( m_nRow ) < m_aPath.size(); ++m_nRow )
+    {
+        m_aPath[m_nRow] =
+            m_aPath[m_nRow] +
+            "?Language=" +
+            aURLParameter.get_language() +
+            "&System=" +
+            aURLParameter.get_system();
+
+        uno::Reference< XContent > content = queryContent();
+        if( content.is() )
+        {
+            uno::Reference< XCommandProcessor > cmd( content,uno::UNO_QUERY );
+            cmd->execute( aCommand,0,uno::Reference< XCommandEnvironment >( nullptr ) ) >>= m_aItems[m_nRow]; //TODO: check return value of operator >>=
+        }
+    }
+    m_nRow = 0xffffffff;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */