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-rw-r--r--khtml/dom/dom_element.cpp409
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diff --git a/khtml/dom/dom_element.cpp b/khtml/dom/dom_element.cpp
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+++ b/khtml/dom/dom_element.cpp
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+/**
+ * This file is part of the DOM implementation for KDE.
+ *
+ * (C) 1999 Lars Knoll (knoll@kde.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 "dom/dom_exception.h"
+#include "xml/dom_docimpl.h"
+#include "xml/dom_elementimpl.h"
+#include "html/html_formimpl.h"
+
+using namespace DOM;
+
+Attr::Attr() : Node()
+{
+}
+
+Attr::Attr(const Attr &other) : Node(other)
+{
+}
+
+Attr::Attr( AttrImpl *_impl )
+{
+ impl= _impl;
+ if (impl) impl->ref();
+}
+
+Attr &Attr::operator = (const Node &other)
+{
+ NodeImpl* ohandle = other.handle();
+ if ( impl != ohandle ) {
+ if (!ohandle || !ohandle->isAttributeNode()) {
+ if (impl) impl->deref();
+ impl = 0;
+ } else {
+ Node::operator =(other);
+ }
+ }
+ return *this;
+}
+
+Attr &Attr::operator = (const Attr &other)
+{
+ Node::operator =(other);
+ return *this;
+}
+
+Attr::~Attr()
+{
+}
+
+DOMString Attr::name() const
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ return ((AttrImpl *)impl)->name();
+}
+
+bool Attr::specified() const
+{
+ if (impl) return ((AttrImpl *)impl)->specified();
+ return 0;
+}
+
+Element Attr::ownerElement() const
+{
+ if (!impl) return 0;
+ return static_cast<AttrImpl*>(impl)->ownerElement();
+}
+
+DOMString Attr::value() const
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ return impl->nodeValue();
+}
+
+void Attr::setValue( const DOMString &newValue )
+{
+ if (!impl)
+ return;
+
+ int exceptioncode = 0;
+ ((AttrImpl *)impl)->setValue(newValue,exceptioncode);
+ if (exceptioncode)
+ throw DOMException(exceptioncode);
+}
+
+// ---------------------------------------------------------------------------
+
+Element::Element() : Node()
+{
+}
+
+Element::Element(const Element &other) : Node(other)
+{
+}
+
+Element::Element(ElementImpl *impl) : Node(impl)
+{
+}
+
+Element &Element::operator = (const Node &other)
+{
+ NodeImpl* ohandle = other.handle();
+ if ( impl != ohandle ) {
+ if (!ohandle || !ohandle->isElementNode()) {
+ if (impl) impl->deref();
+ impl = 0;
+ } else {
+ Node::operator =(other);
+ }
+ }
+ return *this;
+}
+
+Element &Element::operator = (const Element &other)
+{
+ Node::operator =(other);
+ return *this;
+}
+
+Element::~Element()
+{
+}
+
+DOMString Element::tagName() const
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ return static_cast<ElementImpl*>(impl)->tagName();
+}
+
+DOMString Element::getAttribute( const DOMString &name )
+{
+ // ### getAttribute() and getAttributeNS() are supposed to return the empty string if the attribute
+ // does not exist. However, there are a number of places around khtml that expect a null string
+ // for nonexistent attributes. These need to be changed to use hasAttribute() instead.
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ if (!name.implementation()) throw DOMException(DOMException::NOT_FOUND_ERR);
+
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId,name.implementation(),true,true);
+ if (!id) return DOMString();
+
+ ElementImpl* e = static_cast<ElementImpl*>(impl);
+ return e->getAttribute(id, false, name);
+}
+
+void Element::setAttribute( const DOMString &name, const DOMString &value )
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ int exceptioncode = 0;
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, name.implementation(), false /* allocate */,
+ true, &exceptioncode);
+
+ static_cast<ElementImpl*>(impl)->setAttribute(id, value, name, exceptioncode);
+ if ( exceptioncode )
+ throw DOMException( exceptioncode );
+}
+
+void Element::removeAttribute( const DOMString &name )
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, name.implementation(), true, true);
+ if (!id) return;
+
+ int exceptioncode = 0;
+ NamedNodeMapImpl *attributes = static_cast<ElementImpl*>(impl)->attributes(false);
+ attributes->removeNamedItem(id, false, name.implementation(), exceptioncode);
+ // it's allowed to remove attributes that don't exist.
+ if ( exceptioncode && exceptioncode != DOMException::NOT_FOUND_ERR )
+ throw DOMException( exceptioncode );
+}
+
+Attr Element::getAttributeNode( const DOMString &name )
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ if (!name.implementation()) throw DOMException(DOMException::NOT_FOUND_ERR);
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, name.implementation(), true, true);
+ if (!id) return 0;
+
+ ElementImpl* e = static_cast<ElementImpl*>(impl);
+ if (!e->attributes()) return 0;
+
+ return static_cast<AttrImpl*>(e->attributes()->getNamedItem(id, false, name.implementation()));
+}
+
+Attr Element::setAttributeNode( const Attr &newAttr )
+{
+ if (!impl || newAttr.isNull())
+ throw DOMException(DOMException::NOT_FOUND_ERR);
+ // WRONG_DOCUMENT_ERR and INUSE_ATTRIBUTE_ERR are already tested & thrown by setNamedItem
+
+ int exceptioncode = 0;
+ Attr r = static_cast<ElementImpl*>(impl)->attributes(false)->setNamedItem(newAttr.handle(), false,
+ newAttr.handle()->nodeName().implementation(), exceptioncode);
+ if ( exceptioncode )
+ throw DOMException( exceptioncode );
+ static_cast<AttrImpl *>(newAttr.handle())->setOwnerElement( static_cast<ElementImpl*>(impl) );
+ return r;
+}
+
+Attr Element::removeAttributeNode( const Attr &oldAttr )
+{
+ if (!impl || oldAttr.isNull() || oldAttr.ownerElement().handle() != impl)
+ throw DOMException(DOMException::NOT_FOUND_ERR);
+
+ if (impl->isReadOnly())
+ throw DOMException(DOMException::NO_MODIFICATION_ALLOWED_ERR);
+
+ if (!static_cast<ElementImpl*>(impl)->attributes(true))
+ throw DOMException(DOMException::NOT_FOUND_ERR);
+
+ NamedAttrMapImpl *attributes = static_cast<ElementImpl*>(impl)->attributes(false);
+ return attributes->removeAttr(static_cast<AttrImpl*>(static_cast<AttrImpl*>(oldAttr.handle())));
+}
+
+NodeList Element::getElementsByTagName( const DOMString &tagName )
+{
+ if (!impl) return 0;
+ NodeImpl::Id id;
+ if ( tagName == "*" )
+ id = 0;
+ else
+ id = impl->getDocument()->getId(NodeImpl::ElementId, tagName.implementation(), false, true);
+ return new TagNodeListImpl( impl, id );
+}
+
+NodeList Element::getElementsByTagNameNS( const DOMString &namespaceURI,
+ const DOMString &localName )
+{
+ if (!impl) return 0;
+ return new TagNodeListImpl( impl, namespaceURI, localName );
+}
+
+DOMString Element::getAttributeNS( const DOMString &namespaceURI,
+ const DOMString &localName)
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ if (!localName.implementation()) throw DOMException(DOMException::NOT_FOUND_ERR);
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, namespaceURI.implementation(), 0/*prefix*/, localName.implementation(), true, true);
+ ElementImpl* e = static_cast<ElementImpl*>(impl);
+ return e->getAttribute(id, true);
+}
+
+void Element::setAttributeNS( const DOMString &namespaceURI,
+ const DOMString &qualifiedName,
+ const DOMString &value)
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+
+ int exceptioncode = 0;
+ static_cast<ElementImpl*>(impl)->setAttributeNS(namespaceURI, qualifiedName, value, exceptioncode);
+ if ( exceptioncode )
+ throw DOMException( exceptioncode );
+}
+
+void Element::removeAttributeNS( const DOMString &namespaceURI,
+ const DOMString &localName )
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+
+ int exceptioncode = 0;
+ NamedNodeMapImpl *attributes = static_cast<ElementImpl*>(impl)->attributes(false);
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, namespaceURI.implementation(), 0/*prefix*/, localName.implementation(), false, true);
+ attributes->removeNamedItem(id, true, 0, exceptioncode);
+ if ( exceptioncode )
+ throw DOMException( exceptioncode );
+}
+
+Attr Element::getAttributeNodeNS( const DOMString &namespaceURI,
+ const DOMString &localName )
+{
+ if (!impl) throw DOMException(DOMException::NOT_FOUND_ERR);
+ if (!localName.implementation()) throw DOMException(DOMException::NOT_FOUND_ERR);
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, namespaceURI.implementation(),
+ 0/*prefix*/, localName.implementation(), true, true);
+ ElementImpl* e = static_cast<ElementImpl*>(impl);
+ if (!e->attributes()) return 0;
+
+ return static_cast<AttrImpl*>(e->attributes()->getNamedItem(id, true));
+}
+
+Attr Element::setAttributeNodeNS( const Attr &newAttr )
+{
+ if (!impl || newAttr.isNull())
+ throw DOMException(DOMException::NOT_FOUND_ERR);
+ // WRONG_DOCUMENT_ERR and INUSE_ATTRIBUTE_ERR are already tested & thrown by setNamedItem
+
+ int exceptioncode = 0;
+ Attr r = static_cast<ElementImpl*>(impl)->attributes(false)->setNamedItem(newAttr.handle(), true, 0, exceptioncode);
+ if ( exceptioncode )
+ throw DOMException( exceptioncode );
+ static_cast<AttrImpl *>(newAttr.handle())->setOwnerElement( static_cast<ElementImpl*>(impl) );
+ return r;
+}
+
+
+bool Element::hasAttribute( const DOMString& name )
+{
+ if (!impl || !static_cast<ElementImpl*>(impl)->attributes()) return false; // ### throw ?
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId, name.implementation(), true, true);
+ if (!id) return false;
+
+ if (!static_cast<ElementImpl*>(impl)->attributes(true /*readonly*/)) return false;
+ return static_cast<ElementImpl*>(impl)->attributes(true)->getValue(id, false, name.implementation()) != 0;
+}
+
+bool Element::hasAttributeNS( const DOMString &namespaceURI,
+ const DOMString &localName )
+{
+ if (!impl || !static_cast<ElementImpl*>(impl)->attributes()) return false; // ### throw ?
+ if (!static_cast<ElementImpl*>(impl)->attributes(true /*readonly*/)) return false;
+ NodeImpl::Id id = impl->getDocument()->getId(NodeImpl::AttributeId,namespaceURI.implementation(),
+ 0/*prefix*/, localName.implementation(), true, true);
+ return static_cast<ElementImpl*>(impl)->attributes(true)->getValue(id, true) != 0;
+}
+
+bool Element::isHTMLElement() const
+{
+ if(!impl) return false;
+ return ((ElementImpl *)impl)->isHTMLElement();
+}
+
+Element Element::form() const
+{
+ if (!impl || !impl->isGenericFormElement()) return 0;
+ return static_cast<HTMLGenericFormElementImpl*>(impl)->form();
+ ElementImpl* f = static_cast<HTMLGenericFormElementImpl*>( impl )->form();
+
+ if( f && f->implicitNode() )
+ return 0;
+ return f;
+}
+
+CSSStyleDeclaration Element::style()
+{
+ if (impl) return ((ElementImpl *)impl)->styleRules();
+ return 0;
+}
+
+bool Element::contentEditable() const {
+ if(!impl) return false;
+ return static_cast<ElementImpl *>(impl)->contentEditable();
+}
+
+void Element::setContentEditable(bool enabled) {
+ if(!impl)
+ throw DOMException(DOMException::INVALID_STATE_ERR);
+
+ static_cast<ElementImpl *>(impl)->setContentEditable(enabled);
+}
+
+bool Element::khtmlValidAttrName(const DOMString &name)
+{
+ // Check if name is valid
+ // http://www.w3.org/TR/2000/REC-xml-20001006#NT-Name
+ DOMStringImpl* _name = name.implementation();
+ QChar ch = _name->s[0];
+ if ( !ch.isLetter() && ch != '_' && ch != ':' )
+ return false; // first char isn't valid
+ for ( uint i = 0; i < _name->l; ++i )
+ {
+ ch = _name->s[i];
+ if ( !ch.isLetter() && !ch.isDigit() && ch != '.'
+ && ch != '-' && ch != '_' && ch != ':'
+ && ch.category() != QChar::Mark_SpacingCombining
+ /* no idea what "extender is" */ )
+ return false;
+ }
+ return true;
+}
+
+bool Element::khtmlValidPrefix(const DOMString &name)
+{
+ // Null prefix is ok. If not null, reuse code from khtmlValidAttrName
+ return !name.implementation() || khtmlValidAttrName(name);
+}
+
+bool Element::khtmlValidQualifiedName(const DOMString &name)
+{
+ return khtmlValidAttrName(name);
+}
+
+bool Element::khtmlMalformedQualifiedName(const DOMString &name)
+{
+ // #### Not clearly defined in the DOM spec...
+ // But we know for sure that a null qualified name is malformed
+ return name.isNull();
+}
+
+bool Element::khtmlMalformedPrefix(const DOMString &/*name*/)
+{
+ // ####
+ return false;
+}