HTMLNameCollection.cpp [plain text]
#include "config.h"
#include "HTMLNameCollection.h"
#include "Element.h"
#include "HTMLDocument.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
namespace WebCore {
using namespace HTMLNames;
HTMLNameCollection::HTMLNameCollection(Document* base, HTMLCollection::Type type, const String& name)
: HTMLCollection(base, type)
, m_name(name)
{
ASSERT(!info);
info = base->nameCollectionInfo(type, name);
}
Node* HTMLNameCollection::traverseNextItem(Node* current) const
{
ASSERT(current);
current = current->traverseNextNode(m_base.get());
while (current) {
if (current->isElementNode()) {
bool found = false;
Element* e = static_cast<Element*>(current);
switch(type) {
case WindowNamedItems:
if (e->hasTagName(imgTag) ||
e->hasTagName(formTag) ||
e->hasTagName(appletTag) ||
e->hasTagName(embedTag) ||
e->hasTagName(objectTag))
found = e->getAttribute(nameAttr) == m_name;
found |= e->getAttribute(idAttr) == m_name;
break;
case DocumentNamedItems:
if (e->hasTagName(imgTag) ||
e->hasTagName(formTag) ||
e->hasTagName(embedTag) ||
e->hasTagName(iframeTag))
found = e->getAttribute(nameAttr) == m_name;
else if (e->hasTagName(appletTag))
found = e->getAttribute(nameAttr) == m_name ||
e->getAttribute(idAttr) == m_name;
else if (e->hasTagName(objectTag))
found = (e->getAttribute(nameAttr) == m_name || e->getAttribute(idAttr) == m_name) &&
static_cast<HTMLObjectElement*>(e)->isDocNamedItem();
break;
default:
ASSERT(0);
}
if (found)
return current;
}
current = current->traverseNextNode(m_base.get());
}
return 0;
}
}