/* * 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 Apple Inc. All rights reserved. * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "config.h" #include "Attr.h" #include "Document.h" #include "Element.h" #include "ExceptionCode.h" #include "Text.h" namespace WebCore { Attr::Attr(Element* element, Document* docPtr, Attribute* a) : ContainerNode(docPtr), m_element(element), m_attribute(a), m_ignoreChildrenChanged(0) { ASSERT(!m_attribute->attr()); m_attribute->m_impl = this; m_attrWasSpecifiedOrElementHasRareData = true; } Attr::~Attr() { ASSERT(m_attribute->attr() == this); m_attribute->m_impl = 0; } void Attr::createTextChild() { ASSERT(refCount()); if (!m_attribute->value().isEmpty()) { RefPtr textNode = document()->createTextNode(m_attribute->value().impl()); // This does everything appendChild() would do in this situation (assuming m_ignoreChildrenChanged was set), // but much more efficiently. textNode->setParent(this); setFirstChild(textNode.get()); setLastChild(textNode.get()); } } String Attr::nodeName() const { return name(); } Node::NodeType Attr::nodeType() const { return ATTRIBUTE_NODE; } const AtomicString& Attr::localName() const { return m_attribute->localName(); } const AtomicString& Attr::namespaceURI() const { return m_attribute->namespaceURI(); } const AtomicString& Attr::prefix() const { return m_attribute->prefix(); } void Attr::setPrefix(const AtomicString &_prefix, ExceptionCode& ec) { checkSetPrefix(_prefix, ec); if (ec) return; m_attribute->setPrefix(_prefix); } String Attr::nodeValue() const { return value(); } void Attr::setValue( const String& v, ExceptionCode& ec) { ec = 0; // do not interprete entities in the string, its literal! // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly if (isReadOnlyNode()) { ec = NO_MODIFICATION_ALLOWED_ERR; return; } int e = 0; m_ignoreChildrenChanged++; removeChildren(); appendChild(document()->createTextNode(v.impl()), e); m_ignoreChildrenChanged--; m_attribute->setValue(v.impl()); if (m_element) m_element->attributeChanged(m_attribute.get()); } void Attr::setNodeValue(const String& v, ExceptionCode& ec) { // NO_MODIFICATION_ALLOWED_ERR: taken care of by setValue() setValue(v, ec); } PassRefPtr Attr::cloneNode(bool /*deep*/) { RefPtr clone = new Attr(0, document(), m_attribute->clone()); cloneChildNodes(clone.get()); return clone.release(); } // DOM Section 1.1.1 bool Attr::childTypeAllowed(NodeType type) { switch (type) { case TEXT_NODE: case ENTITY_REFERENCE_NODE: return true; default: return false; } } void Attr::childrenChanged() { Node::childrenChanged(); if (m_ignoreChildrenChanged > 0) return; // FIXME: We should include entity references in the value String val = ""; for (Node *n = firstChild(); n; n = n->nextSibling()) { if (n->isTextNode()) val += static_cast(n)->data(); } m_attribute->setValue(val.impl()); if (m_element) m_element->attributeChanged(m_attribute.get()); } String Attr::toString() const { String result; result += nodeName(); // FIXME: substitute entities for any instances of " or ' -- // maybe easier to just use text value and ignore existing // entity refs? if (firstChild() != NULL) { result += "=\""; for (Node *child = firstChild(); child != NULL; child = child->nextSibling()) { result += child->toString(); } result += "\""; } return result; } }