Make DOMImplementation.hasFeature() always return true.

Source/core/dom/DOMImplementation.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 43 matching lines @@
 #include "core/page/Page.h"
 #include "platform/ContentType.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/graphics/Image.h"
 #include "platform/plugins/PluginData.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
-typedef HashSet<String, CaseFoldingHash> FeatureSet;
-
-static void addString(FeatureSet& set, const char* string)
-{
-    set.add(string);
-}
-
-static bool isSupportedSVG10Feature(const String& feature, const String& version)
-{
-    if (!version.isEmpty() && version != "1.0")
-        return false;
-
-    static bool initialized = false;
-    DEFINE_STATIC_LOCAL(FeatureSet, svgFeatures, ());
-    if (!initialized) {
-        addString(svgFeatures, "svg");
-        addString(svgFeatures, "svg.static");
-//      addString(svgFeatures, "svg.animation");
-//      addString(svgFeatures, "svg.dynamic");
-//      addString(svgFeatures, "svg.dom.animation");
-//      addString(svgFeatures, "svg.dom.dynamic");
-        addString(svgFeatures, "dom");
-        addString(svgFeatures, "dom.svg");
-        addString(svgFeatures, "dom.svg.static");
-//      addString(svgFeatures, "svg.all");
-//      addString(svgFeatures, "dom.svg.all");
-        initialized = true;
-    }
-    return feature.startsWith("org.w3c.", TextCaseInsensitive)
-        && svgFeatures.contains(feature.right(feature.length() - 8));
-}
-
-static bool isSupportedSVG11Feature(const String& feature, const String& version)
-{
-    if (!version.isEmpty() && version != "1.1")
-        return false;
-
-    static bool initialized = false;
-    DEFINE_STATIC_LOCAL(FeatureSet, svgFeatures, ());
-    if (!initialized) {
-        // Sadly, we cannot claim to implement any of the SVG 1.1 generic feature sets
-        // lack of Font and Filter support.
-        // http://bugs.webkit.org/show_bug.cgi?id=15480
-        addString(svgFeatures, "SVG");
-        addString(svgFeatures, "SVGDOM");
-        addString(svgFeatures, "SVG-static");
-        addString(svgFeatures, "SVGDOM-static");
-        addString(svgFeatures, "SVG-animation");
-        addString(svgFeatures, "SVGDOM-animation");
-//      addString(svgFeatures, "SVG-dynamic);
-//      addString(svgFeatures, "SVGDOM-dynamic);
-        addString(svgFeatures, "CoreAttribute");
-        addString(svgFeatures, "Structure");
-        addString(svgFeatures, "BasicStructure");
-        addString(svgFeatures, "ContainerAttribute");
-        addString(svgFeatures, "ConditionalProcessing");
-        addString(svgFeatures, "Image");
-        addString(svgFeatures, "Style");
-        addString(svgFeatures, "ViewportAttribute");
-        addString(svgFeatures, "Shape");
-        addString(svgFeatures, "Text");
-        addString(svgFeatures, "BasicText");
-        addString(svgFeatures, "PaintAttribute");
-        addString(svgFeatures, "BasicPaintAttribute");
-        addString(svgFeatures, "OpacityAttribute");
-        addString(svgFeatures, "GraphicsAttribute");
-        addString(svgFeatures, "BaseGraphicsAttribute");
-        addString(svgFeatures, "Marker");
-//      addString(svgFeatures, "ColorProfile");
-        addString(svgFeatures, "Gradient");
-        addString(svgFeatures, "Pattern");
-        addString(svgFeatures, "Clip");
-        addString(svgFeatures, "BasicClip");
-        addString(svgFeatures, "Mask");
-        addString(svgFeatures, "Filter");
-        addString(svgFeatures, "BasicFilter");
-        addString(svgFeatures, "DocumentEventsAttribute");
-        addString(svgFeatures, "GraphicalEventsAttribute");
-//      addString(svgFeatures, "AnimationEventsAttribute");
-        addString(svgFeatures, "Cursor");
-        addString(svgFeatures, "Hyperlinking");
-        addString(svgFeatures, "XlinkAttribute");
-        addString(svgFeatures, "View");
-        addString(svgFeatures, "Script");
-        addString(svgFeatures, "Animation");
-        addString(svgFeatures, "Extensibility");
-        initialized = true;
-    }
-    return feature.startsWith("http://www.w3.org/tr/svg11/feature#", TextCaseInsensitive)
-        && svgFeatures.contains(feature.right(feature.length() - 35));
-}
-
 DOMImplementation::DOMImplementation(Document& document)
     : m_document(document)
 {
 }
 
-bool DOMImplementation::hasFeature(const String& feature, const String& version)
-{
-    if (feature.startsWith("http://www.w3.org/TR/SVG", TextCaseInsensitive)
-    || feature.startsWith("org.w3c.dom.svg", TextCaseInsensitive)
-    || feature.startsWith("org.w3c.svg", TextCaseInsensitive)) {
-        // FIXME: SVG 2.0 support?
-        return isSupportedSVG10Feature(feature, version) || isSupportedSVG11Feature(feature, version);
-    }
-    return true;
-}
-
-bool DOMImplementation::hasFeatureForBindings(const String& feature, const String& version)
-{
-    if (!hasFeature(feature, version)) {
-        UseCounter::countDeprecation(m_document, UseCounter::DOMImplementationHasFeatureReturnFalse);
-        return false;
-    }
-    return true;
-}
-
 PassRefPtrWillBeRawPtr<DocumentType> DOMImplementation::createDocumentType(const AtomicString& qualifiedName,
     const String& publicId, const String& systemId, ExceptionState& exceptionState)
 {
     AtomicString prefix, localName;
     if (!Document::parseQualifiedName(qualifiedName, prefix, localName, exceptionState))
         return nullptr;
 
     return DocumentType::create(m_document, qualifiedName, publicId, systemId);
 }
 
@@ skipping 177 matching lines @@
 
     return HTMLDocument::create(init);
 }
 
 DEFINE_TRACE(DOMImplementation)
 {
     visitor->trace(m_document);
 }
 
 }