#include "config.h"
#include "NamedNodeMap.h"
#include "Attr.h"
#include "HTMLElement.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
using namespace HTMLNames;
WTF_MAKE_ISO_ALLOCATED_IMPL(NamedNodeMap);
void NamedNodeMap::ref()
{
m_element.ref();
}
void NamedNodeMap::deref()
{
m_element.deref();
}
RefPtr<Attr> NamedNodeMap::getNamedItem(const AtomString& name) const
{
return m_element.getAttributeNode(name);
}
RefPtr<Attr> NamedNodeMap::getNamedItemNS(const AtomString& namespaceURI, const AtomString& localName) const
{
return m_element.getAttributeNodeNS(namespaceURI, localName);
}
ExceptionOr<Ref<Attr>> NamedNodeMap::removeNamedItem(const AtomString& name)
{
if (!m_element.hasAttributes())
return Exception { NotFoundError };
auto index = m_element.findAttributeIndexByName(name, shouldIgnoreAttributeCase(m_element));
if (index == ElementData::attributeNotFound)
return Exception { NotFoundError };
return m_element.detachAttribute(index);
}
Vector<String> NamedNodeMap::supportedPropertyNames() const
{
Vector<String> names = m_element.getAttributeNames();
if (is<HTMLElement>(m_element) && m_element.document().isHTMLDocument()) {
names.removeAllMatching([](String& name) {
for (auto character : StringView { name }.codeUnits()) {
if (isASCIIUpper(character))
return true;
}
return false;
});
}
return names;
}
ExceptionOr<Ref<Attr>> NamedNodeMap::removeNamedItemNS(const AtomString& namespaceURI, const AtomString& localName)
{
if (!m_element.hasAttributes())
return Exception { NotFoundError };
auto index = m_element.findAttributeIndexByName(QualifiedName { nullAtom(), localName, namespaceURI });
if (index == ElementData::attributeNotFound)
return Exception { NotFoundError };
return m_element.detachAttribute(index);
}
ExceptionOr<RefPtr<Attr>> NamedNodeMap::setNamedItem(Attr& attr)
{
return m_element.setAttributeNode(attr);
}
RefPtr<Attr> NamedNodeMap::item(unsigned index) const
{
if (index >= length())
return nullptr;
return m_element.ensureAttr(m_element.attributeAt(index).name());
}
unsigned NamedNodeMap::length() const
{
if (!m_element.hasAttributes())
return 0;
return m_element.attributeCount();
}
}