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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Peter Kelly (pmk@post.com)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights
* reserved.
* (C) 2007 Eric Seidel (eric@webkit.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/dom/named_node_map.h"
#include "third_party/blink/renderer/core/dom/attr.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/html/html_document.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
Attr* NamedNodeMap::getNamedItem(const AtomicString& name) const {
return element_->getAttributeNode(name);
}
Attr* NamedNodeMap::getNamedItemNS(const AtomicString& namespace_uri,
const AtomicString& local_name) const {
return element_->getAttributeNodeNS(namespace_uri, local_name);
}
Attr* NamedNodeMap::removeNamedItem(const AtomicString& name,
ExceptionState& exception_state) {
wtf_size_t index =
element_->Attributes().FindIndex(element_->LowercaseIfNecessary(name));
if (index == kNotFound) {
exception_state.ThrowDOMException(
DOMExceptionCode::kNotFoundError,
"No item with name '" + name + "' was found.");
return nullptr;
}
return element_->DetachAttribute(index);
}
Attr* NamedNodeMap::removeNamedItemNS(const AtomicString& namespace_uri,
const AtomicString& local_name,
ExceptionState& exception_state) {
wtf_size_t index = element_->Attributes().FindIndex(
QualifiedName(g_null_atom, local_name, namespace_uri));
if (index == kNotFound) {
exception_state.ThrowDOMException(DOMExceptionCode::kNotFoundError,
"No item with name '" + namespace_uri +
"::" + local_name + "' was found.");
return nullptr;
}
return element_->DetachAttribute(index);
}
Attr* NamedNodeMap::setNamedItem(Attr* attr, ExceptionState& exception_state) {
DCHECK(attr);
return element_->setAttributeNode(attr, exception_state);
}
Attr* NamedNodeMap::setNamedItemNS(Attr* attr,
ExceptionState& exception_state) {
DCHECK(attr);
return element_->setAttributeNodeNS(attr, exception_state);
}
Attr* NamedNodeMap::item(uint32_t index) const {
AttributeCollection attributes = element_->Attributes();
if (index >= attributes.size())
return nullptr;
return element_->EnsureAttr(attributes[index].GetName());
}
uint32_t NamedNodeMap::length() const {
return element_->Attributes().size();
}
void NamedNodeMap::NamedPropertyEnumerator(Vector<String>& names,
ExceptionState&) const {
// https://dom.spec.whatwg.org/#interface-namednodemap
// A NamedNodeMap object’s supported property names are the return value of
// running these steps:
// 1. Let names be the qualified names of the attributes in this NamedNodeMap
// object’s attribute list, with duplicates omitted, in order.
// 2. If this NamedNodeMap object’s element is in the HTML namespace and its
// node document is an HTML document, then for each name in names:
// 2.1. Let lowercaseName be name, in ASCII lowercase.
// 2.2. If lowercaseName is not equal to name, remove name from names.
// 3. Return names.
const AttributeCollection attributes = element_->Attributes();
names.ReserveInitialCapacity(attributes.size());
if (element_->IsHTMLElement() && IsA<HTMLDocument>(element_->GetDocument())) {
for (const Attribute& attribute : attributes) {
if ((attribute.Prefix() == attribute.Prefix().LowerASCII()) &&
(attribute.LocalName() == attribute.LocalName().LowerASCII())) {
names.UncheckedAppend(attribute.GetName().ToString());
}
}
} else {
for (const Attribute& attribute : attributes) {
names.UncheckedAppend(attribute.GetName().ToString());
}
}
}
bool NamedNodeMap::NamedPropertyQuery(const AtomicString& name,
ExceptionState& exception_state) const {
Vector<String> properties;
NamedPropertyEnumerator(properties, exception_state);
return properties.Contains(name);
}
void NamedNodeMap::Trace(Visitor* visitor) {
visitor->Trace(element_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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