diff options
Diffstat (limited to 'Source/WebCore/dom/ChildNodeList.cpp')
| -rw-r--r-- | Source/WebCore/dom/ChildNodeList.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/Source/WebCore/dom/ChildNodeList.cpp b/Source/WebCore/dom/ChildNodeList.cpp index 3328c7c..253537c 100644 --- a/Source/WebCore/dom/ChildNodeList.cpp +++ b/Source/WebCore/dom/ChildNodeList.cpp @@ -27,19 +27,27 @@ namespace WebCore { -ChildNodeList::ChildNodeList(PassRefPtr<Node> rootNode, DynamicNodeList::Caches* info) - : DynamicNodeList(rootNode, info) +ChildNodeList::ChildNodeList(PassRefPtr<Node> rootNode) + : DynamicNodeList(rootNode) { } +ChildNodeList::~ChildNodeList() +{ + m_rootNode->removeCachedChildNodeList(this); +} + unsigned ChildNodeList::length() const { if (m_caches->isLengthCacheValid) return m_caches->cachedLength; unsigned len = 0; - for (Node* n = m_rootNode->firstChild(); n; n = n->nextSibling()) + Vector<Node* >& cachedNodes = m_caches->cachedNodes; + for (Node* n = m_rootNode->firstChild(); n; n = n->nextSibling()) { + cachedNodes.append(n); len++; + } m_caches->cachedLength = len; m_caches->isLengthCacheValid = true; @@ -49,6 +57,9 @@ unsigned ChildNodeList::length() const Node* ChildNodeList::item(unsigned index) const { + if (m_caches->isLengthCacheValid && index < m_caches->cachedLength) + return m_caches->cachedNodes[index]; + unsigned int pos = 0; Node* n = m_rootNode->firstChild(); |