15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org> 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGURIReference.h" 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 25e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "XLinkNames.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/dom/Document.h" 27521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles)#include "weborigin/KURL.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 31926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)bool SVGURIReference::parseAttribute(const QualifiedName& name, const AtomicString& value) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 33926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (name.matches(XLinkNames::hrefAttr)) { 34926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) setHrefBaseValue(value); 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return attrName.matches(XLinkNames::hrefAttr); 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)String SVGURIReference::fragmentIdentifierFromIRIString(const String& url, Document* document) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(document); 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) size_t start = url.find('#'); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (start == notFound) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return emptyString(); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) KURL base = start ? KURL(document->baseURI(), url.substring(0, start)) : document->baseURI(); 5453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) if (equalIgnoringFragmentIdentifier(base, document->url())) 5553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) return url.substring(start + 1); 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return emptyString(); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)static inline KURL urlFromIRIStringWithFragmentIdentifier(const String& url, Document* document, String& fragmentIdentifier) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(document); 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) size_t startOfFragmentIdentifier = url.find('#'); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (startOfFragmentIdentifier == notFound) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return KURL(); 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Exclude the '#' character when determining the fragmentIdentifier. 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) fragmentIdentifier = url.substring(startOfFragmentIdentifier + 1); 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (startOfFragmentIdentifier) { 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) KURL base(document->baseURI(), url.substring(0, startOfFragmentIdentifier)); 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return KURL(base, url.substring(startOfFragmentIdentifier)); 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return KURL(document->baseURI(), url.substring(startOfFragmentIdentifier)); 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element* SVGURIReference::targetElementFromIRIString(const String& iri, Document* document, String* fragmentIdentifier, Document* externalDocument) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // If there's no fragment identifier contained within the IRI string, we can't lookup an element. 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String id; 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) KURL url = urlFromIRIStringWithFragmentIdentifier(iri, document, id); 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (url == KURL()) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (fragmentIdentifier) 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *fragmentIdentifier = id; 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (id.isEmpty()) 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (externalDocument) { 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Enforce that the referenced url matches the url of the document that we've loaded for it! 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(equalIgnoringFragmentIdentifier(url, externalDocument->url())); 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return externalDocument->getElementById(id); 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Exit early if the referenced url is external, and we have no externalDocument given. 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (isExternalURIReference(iri, document)) 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return document->getElementById(id); 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void SVGURIReference::addSupportedAttributes(HashSet<QualifiedName>& supportedAttributes) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) supportedAttributes.add(XLinkNames::hrefAttr); 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 110