sc/source/core/tool/lookupcache.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <lookupcache.hxx>
  21 #include <document.hxx>
  22 #include <queryentry.hxx>
  23 #include <brdcst.hxx>
  24
  25 #include <sal/log.hxx>
  26
  27 ScLookupCache::QueryCriteria::QueryCriteria( const ScQueryEntry& rEntry ) :
  28     mfVal(0.0), mbAlloc(false), mbString(false)
  29 {
  30     switch (rEntry.eOp)
  31     {
  32         case SC_EQUAL :
  33             meOp = EQUAL;
  34             break;
  35         case SC_LESS_EQUAL :
  36             meOp = LESS_EQUAL;
  37             break;
  38         case SC_GREATER_EQUAL :
  39             meOp = GREATER_EQUAL;
  40             break;
  41         default:
  42             meOp = UNKNOWN;
  43             SAL_WARN( "sc.core", "ScLookupCache::QueryCriteria not prepared for this ScQueryOp");
  44     }
  45
  46     const ScQueryEntry::Item& rItem = rEntry.GetQueryItem();
  47     if (rItem.meType == ScQueryEntry::ByString)
  48         setString(rItem.maString.getString());
  49     else
  50         setDouble(rItem.mfVal);
  51 }
  52
  53 ScLookupCache::QueryCriteria::QueryCriteria( const ScLookupCache::QueryCriteria & r ) :
  54     mfVal( r.mfVal),
  55     mbAlloc( false),
  56     mbString( false),
  57     meOp( r.meOp)
  58 {
  59     if (r.mbString && r.mpStr)
  60     {
  61         mpStr = new OUString( *r.mpStr);
  62         mbAlloc = mbString = true;
  63     }
  64 }
  65
  66 ScLookupCache::QueryCriteria::~QueryCriteria()
  67 {
  68     deleteString();
  69 }
  70
  71 ScLookupCache::Result ScLookupCache::lookup( ScAddress & o_rResultAddress,
  72         const QueryCriteria & rCriteria, const ScAddress & rQueryAddress ) const
  73 {
  74     auto it( maQueryMap.find( QueryKey( rQueryAddress,
  75                     rCriteria.getQueryOp())));
  76     if (it == maQueryMap.end())
  77         return NOT_CACHED;
  78     const QueryCriteriaAndResult& rResult = (*it).second;
  79     if (!(rResult.maCriteria == rCriteria))
  80         return CRITERIA_DIFFERENT;
  81     if (rResult.maAddress.Row() < 0 )
  82         return NOT_AVAILABLE;
  83     o_rResultAddress = rResult.maAddress;
  84     return FOUND;
  85 }
  86
  87 SCROW ScLookupCache::lookup( const QueryCriteria & rCriteria ) const
  88 {
  89     // try to find the row index for which we have already performed lookup
  90     auto it = std::find_if(maQueryMap.begin(), maQueryMap.end(),
  91         [&rCriteria](const std::pair<QueryKey, QueryCriteriaAndResult>& rEntry) {
  92             return rEntry.second.maCriteria == rCriteria;
  93         });
  94     if (it != maQueryMap.end())
  95         return it->first.mnRow;
  96
  97     // not found
  98     return -1;
  99 }
 100
 101 bool ScLookupCache::insert( const ScAddress & rResultAddress,
 102         const QueryCriteria & rCriteria, const ScAddress & rQueryAddress,
 103         const bool bAvailable )
 104 {
 105     QueryKey aKey( rQueryAddress, rCriteria.getQueryOp());
 106     QueryCriteriaAndResult aResult( rCriteria, rResultAddress);
 107     if (!bAvailable)
 108         aResult.maAddress.SetRow(-1);
 109     bool bInserted = maQueryMap.insert( ::std::pair< const QueryKey,
 110             QueryCriteriaAndResult>( aKey, aResult)).second;
 111
 112     return bInserted;
 113 }
 114
 115 void ScLookupCache::Notify( const SfxHint& rHint )
 116 {
 117     if (!mpDoc->IsInDtorClear())
 118     {
 119         if (rHint.GetId() == SfxHintId::ScDataChanged || rHint.GetId() == SfxHintId::ScAreaChanged)
 120         {
 121             mpDoc->RemoveLookupCache( *this);
 122             // this ScLookupCache is deleted by RemoveLookupCache
 123         }
 124     }
 125 }
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */