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      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #include "config.h"
     22 #include "CollectionCache.h"
     23 
     24 namespace WebCore {
     25 
     26 CollectionCache::CollectionCache()
     27     : version(0)
     28 {
     29     reset();
     30 }
     31 
     32 inline void CollectionCache::copyCacheMap(NodeCacheMap& dest, const NodeCacheMap& src)
     33 {
     34     ASSERT(dest.isEmpty());
     35     NodeCacheMap::const_iterator end = src.end();
     36     for (NodeCacheMap::const_iterator it = src.begin(); it != end; ++it)
     37         dest.add(it->first, new Vector<Element*>(*it->second));
     38 }
     39 
     40 CollectionCache::CollectionCache(const CollectionCache& other)
     41     : version(other.version)
     42     , current(other.current)
     43     , position(other.position)
     44     , length(other.length)
     45     , elementsArrayPosition(other.elementsArrayPosition)
     46     , hasLength(other.hasLength)
     47     , hasNameCache(other.hasNameCache)
     48 {
     49     copyCacheMap(idCache, other.idCache);
     50     copyCacheMap(nameCache, other.nameCache);
     51 }
     52 
     53 void CollectionCache::swap(CollectionCache& other)
     54 {
     55     std::swap(version, other.version);
     56     std::swap(current, other.current);
     57     std::swap(position, other.position);
     58     std::swap(length, other.length);
     59     std::swap(elementsArrayPosition, other.elementsArrayPosition);
     60 
     61     idCache.swap(other.idCache);
     62     nameCache.swap(other.nameCache);
     63 
     64     std::swap(hasLength, other.hasLength);
     65     std::swap(hasNameCache, other.hasNameCache);
     66 }
     67 
     68 CollectionCache::~CollectionCache()
     69 {
     70     deleteAllValues(idCache);
     71     deleteAllValues(nameCache);
     72 }
     73 
     74 void CollectionCache::reset()
     75 {
     76     current = 0;
     77     position = 0;
     78     length = 0;
     79     hasLength = false;
     80     elementsArrayPosition = 0;
     81     deleteAllValues(idCache);
     82     idCache.clear();
     83     deleteAllValues(nameCache);
     84     nameCache.clear();
     85     hasNameCache = false;
     86 }
     87 
     88 #if !ASSERT_DISABLED
     89 void CollectionCache::checkConsistency()
     90 {
     91     idCache.checkConsistency();
     92     nameCache.checkConsistency();
     93 }
     94 #endif
     95 
     96 } // namespace WebCore
     97