/** * This file is part of the DOM implementation for KDE. * * Copyright (C) 1999 Lars Knoll (knoll@kde.org) * (C) 1999 Antti Koivisto (koivisto@kde.org) * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. * * 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 "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(current); switch(type) { case WindowNamedItems: // find only images, forms, applets, embeds and objects by name, // but anything by id 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: // find images, forms, applets, embeds, objects and iframes by name, // applets and object by id, and images by id but only if they have // a name attribute (this very strange rule matches IE) if (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(e)->isDocNamedItem(); else if (e->hasTagName(imgTag)) found = e->getAttribute(nameAttr) == m_name || (e->getAttribute(idAttr) == m_name && e->hasAttribute(nameAttr)); break; default: ASSERT(0); } if (found) return current; } current = current->traverseNextNode(m_base.get()); } return 0; } }