#include "config.h"
#include "TreeScope.h"
#include "Element.h"
#include "HTMLAnchorElement.h"
#include "HTMLMapElement.h"
#include "HTMLNames.h"
#include "NodeRareData.h"
namespace WebCore {
using namespace HTMLNames;
TreeScope::TreeScope(Document* document)
: ContainerNode(document)
, m_parentTreeScope(0)
, m_numNodeListCaches(0)
{
}
TreeScope::~TreeScope()
{
if (hasRareData())
rareData()->setTreeScope(0);
}
void TreeScope::destroyTreeScopeData()
{
m_elementsById.clear();
m_imageMapsByName.clear();
}
void TreeScope::setParentTreeScope(TreeScope* newParentScope)
{
ASSERT(!isDocumentNode());
ASSERT(newParentScope);
m_parentTreeScope = newParentScope;
}
Element* TreeScope::getElementById(const AtomicString& elementId) const
{
if (elementId.isEmpty())
return 0;
return m_elementsById.getElementById(elementId.impl(), this);
}
void TreeScope::addElementById(const AtomicString& elementId, Element* element)
{
m_elementsById.add(elementId.impl(), element);
}
void TreeScope::removeElementById(const AtomicString& elementId, Element* element)
{
m_elementsById.remove(elementId.impl(), element);
}
void TreeScope::addImageMap(HTMLMapElement* imageMap)
{
AtomicStringImpl* name = imageMap->getName().impl();
if (!name)
return;
m_imageMapsByName.add(name, imageMap);
}
void TreeScope::removeImageMap(HTMLMapElement* imageMap)
{
AtomicStringImpl* name = imageMap->getName().impl();
if (!name)
return;
m_imageMapsByName.remove(name, imageMap);
}
HTMLMapElement* TreeScope::getImageMap(const String& url) const
{
if (url.isNull())
return 0;
size_t hashPos = url.find('#');
String name = (hashPos == notFound ? url : url.substring(hashPos + 1)).impl();
if (document()->isHTMLDocument())
return static_cast<HTMLMapElement*>(m_imageMapsByName.getElementByLowercasedMapName(AtomicString(name.lower()).impl(), this));
return static_cast<HTMLMapElement*>(m_imageMapsByName.getElementByMapName(AtomicString(name).impl(), this));
}
Element* TreeScope::findAnchor(const String& name)
{
if (name.isEmpty())
return 0;
if (Element* element = getElementById(name))
return element;
for (Node* node = this; node; node = node->traverseNextNode()) {
if (node->hasTagName(aTag)) {
HTMLAnchorElement* anchor = static_cast<HTMLAnchorElement*>(node);
if (document()->inQuirksMode()) {
if (equalIgnoringCase(anchor->name(), name))
return anchor;
} else {
if (anchor->name() == name)
return anchor;
}
}
}
return 0;
}
bool TreeScope::applyAuthorSheets() const
{
return true;
}
}