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
  21 #include "lookupcache.hxx"
  22 #include "document.hxx"
  23 #include "queryentry.hxx"
  24
  25 ScLookupCache::QueryCriteria::QueryCriteria( const ScQueryEntry& rEntry ) :
  26     mfVal(0.0), mbAlloc(false), mbString(false)
  27 {
  28     switch (rEntry.eOp)
  29     {
  30         case SC_EQUAL :
  31             meOp = EQUAL;
  32             break;
  33         case SC_LESS_EQUAL :
  34             meOp = LESS_EQUAL;
  35             break;
  36         case SC_GREATER_EQUAL :
  37             meOp = GREATER_EQUAL;
  38             break;
  39         default:
  40             meOp = UNKNOWN;
  41             SAL_WARN( "sc.core", "ScLookupCache::QueryCriteria not prepared for this ScQueryOp");
  42     }
  43
  44     const ScQueryEntry::Item& rItem = rEntry.GetQueryItem();
  45     if (rItem.meType == ScQueryEntry::ByString)
  46         setString(rItem.maString.getString());
  47     else
  48         setDouble(rItem.mfVal);
  49 }
  50
  51 ScLookupCache::QueryCriteria::QueryCriteria( const ScLookupCache::QueryCriteria & r ) :
  52     mfVal( r.mfVal),
  53     mbAlloc( false),
  54     mbString( false),
  55     meOp( r.meOp)
  56 {
  57     if (r.mbString && r.mpStr)
  58     {
  59         mpStr = new OUString( *r.mpStr);
  60         mbAlloc = mbString = true;
  61     }
  62 }
  63
  64 ScLookupCache::QueryCriteria::~QueryCriteria()
  65 {
  66     deleteString();
  67 }
  68
  69 ScLookupCache::ScLookupCache( ScDocument * pDoc, const ScRange & rRange ) :
  70     maRange( rRange),
  71     mpDoc( pDoc)
  72 {
  73 }
  74
  75
  76 ScLookupCache::~ScLookupCache()
  77 {
  78 }
  79
  80
  81 ScLookupCache::Result ScLookupCache::lookup( ScAddress & o_rResultAddress,
  82         const QueryCriteria & rCriteria, const ScAddress & rQueryAddress ) const
  83 {
  84     QueryMap::const_iterator it( maQueryMap.find( QueryKey( rQueryAddress,
  85                     rCriteria.getQueryOp())));
  86     if (it == maQueryMap.end())
  87         return NOT_CACHED;
  88     const QueryCriteriaAndResult& rResult = (*it).second;
  89     if (!(rResult.maCriteria == rCriteria))
  90         return CRITERIA_DIFFERENT;
  91     if (rResult.maAddress.Row() < 0 )
  92         return NOT_AVAILABLE;
  93     o_rResultAddress = rResult.maAddress;
  94     return FOUND;
  95 }
  96
  97
  98 bool ScLookupCache::insert( const ScAddress & rResultAddress,
  99         const QueryCriteria & rCriteria, const ScAddress & rQueryAddress,
 100         const bool bAvailable )
 101 {
 102     QueryKey aKey( rQueryAddress, rCriteria.getQueryOp());
 103     QueryCriteriaAndResult aResult( rCriteria, rResultAddress);
 104     if (!bAvailable)
 105         aResult.maAddress.SetRow(-1);
 106     bool bInserted = maQueryMap.insert( ::std::pair< const QueryKey,
 107             QueryCriteriaAndResult>( aKey, aResult)).second;
 108
 109     return bInserted;
 110 }
 111
 112
 113 void ScLookupCache::Notify( SvtBroadcaster & /* rBC */ , const SfxHint &  rHint )
 114 {
 115     if (!mpDoc->IsInDtorClear())
 116     {
 117         const ScHint* p = PTR_CAST( ScHint, &rHint );
 118         if (p && (p->GetId() & SC_HINT_DATACHANGED))
 119         {
 120             mpDoc->RemoveLookupCache( *this);
 121             delete this;
 122         }
 123     }
 124 }
 125
 126 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */