#include "config.h"
#include "SVGTests.h"
#include "DOMImplementation.h"
#include "HTMLNames.h"
#include "SVGElement.h"
#include "SVGNames.h"
#include "SVGStringList.h"
#include <wtf/Language.h>
#include <wtf/NeverDestroyed.h>
#if ENABLE(MATHML)
#include "MathMLNames.h"
#endif
namespace WebCore {
using namespace SVGNames;
static const HashSet<String, ASCIICaseInsensitiveHash>& supportedSVGFeatures()
{
static NeverDestroyed<HashSet<String, ASCIICaseInsensitiveHash>> features = [] {
static const char* const features10[] = {
#if ENABLE(SVG_FONTS)
"dom",
"dom.svg",
"dom.svg.static",
"svg",
"svg.static",
#endif
};
static const char* const features11[] = {
"animation",
"basegraphicsattribute",
"basicclip",
"basicfilter",
"basicpaintattribute",
"basicstructure",
"basictext",
"clip",
"conditionalprocessing",
"containerattribute",
"coreattribute",
"cursor",
"documenteventsattribute",
"extensibility",
"externalresourcesrequired",
"filter",
"gradient",
"graphicaleventsattribute",
"graphicsattribute",
"hyperlinking",
"image",
"marker",
"mask",
"opacityattribute",
"paintattribute",
"pattern",
"script",
"shape",
"structure",
"style",
"svg-animation",
"svgdom-animation",
"text",
"view",
"viewportattribute",
"xlinkattribute",
#if ENABLE(SVG_FONTS)
"basicfont",
"font",
"svg",
"svg-static",
"svgdom",
"svgdom-static",
#endif
};
HashSet<String, ASCIICaseInsensitiveHash> set;
for (auto& feature : features10)
set.add(makeString("org.w3c.", feature));
for (auto& feature : features11)
set.add(makeString("http://www.w3.org/tr/svg11/feature#", feature));
return set;
}();
return features;
}
SVGTests::SVGTests(SVGElement* contextElement)
: m_contextElement(*contextElement)
, m_requiredFeatures(SVGStringList::create(contextElement))
, m_requiredExtensions(SVGStringList::create(contextElement))
, m_systemLanguage(SVGStringList::create(contextElement))
{
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::requiredFeaturesAttr, &SVGTests::m_requiredFeatures>();
PropertyRegistry::registerProperty<SVGNames::requiredExtensionsAttr, &SVGTests::m_requiredExtensions>();
PropertyRegistry::registerProperty<SVGNames::systemLanguageAttr, &SVGTests::m_systemLanguage>();
});
}
bool SVGTests::hasExtension(const String& extension)
{
#if ENABLE(MATHML)
if (extension == MathMLNames::mathmlNamespaceURI)
return true;
#endif
return extension == HTMLNames::xhtmlNamespaceURI;
}
bool SVGTests::isValid() const
{
for (auto& feature : m_requiredFeatures->items()) {
if (feature.isEmpty() || !supportedSVGFeatures().contains(feature))
return false;
}
for (auto& language : m_systemLanguage->items()) {
if (language != defaultLanguage().substring(0, 2))
return false;
}
for (auto& extension : m_requiredExtensions->items()) {
if (!hasExtension(extension))
return false;
}
return true;
}
void SVGTests::parseAttribute(const QualifiedName& attributeName, const AtomString& value)
{
if (attributeName == requiredFeaturesAttr)
m_requiredFeatures->reset(value);
if (attributeName == requiredExtensionsAttr)
m_requiredExtensions->reset(value);
if (attributeName == systemLanguageAttr)
m_systemLanguage->reset(value);
}
void SVGTests::svgAttributeChanged(const QualifiedName& attrName)
{
if (!PropertyRegistry::isKnownAttribute(attrName))
return;
if (!m_contextElement.isConnected())
return;
m_contextElement.invalidateStyleAndRenderersForSubtree();
}
void SVGTests::addSupportedAttributes(HashSet<QualifiedName>& supportedAttributes)
{
supportedAttributes.add(requiredFeaturesAttr);
supportedAttributes.add(requiredExtensionsAttr);
supportedAttributes.add(systemLanguageAttr);
}
bool SVGTests::hasFeatureForLegacyBindings(const String& feature, const String& version)
{
bool hasSVG10FeaturePrefix = startsWithLettersIgnoringASCIICase(feature, "org.w3c.dom.svg") || startsWithLettersIgnoringASCIICase(feature, "org.w3c.svg");
bool hasSVG11FeaturePrefix = startsWithLettersIgnoringASCIICase(feature, "http://www.w3.org/tr/svg");
if (!(hasSVG10FeaturePrefix || hasSVG11FeaturePrefix))
return true;
if (version.isEmpty() || (hasSVG10FeaturePrefix && version == "1.0") || (hasSVG11FeaturePrefix && version == "1.1"))
return supportedSVGFeatures().contains(feature);
return false;
}
}