bool BisonCSSParser::parseAttributeMatchType(CSSSelector::AttributeMatchType& matchType, const String& string)
{
if (!RuntimeEnabledFeatures::cssAttributeCaseSensitivityEnabled() && !isUASheetBehavior(m_context.mode()))
return false;
if (string == "i") {
matchType = CSSSelector::CaseInsensitive;
return true;
}
return false;
}
CSSSelector::AttributeMatchType CSSSelectorParser::consumeAttributeFlags(CSSParserTokenRange& range)
{
if (range.peek().type() != IdentToken)
return CSSSelector::CaseSensitive;
const CSSParserToken& flag = range.consumeIncludingWhitespace();
if (String(flag.value()) == "i") {
if (RuntimeEnabledFeatures::cssAttributeCaseSensitivityEnabled() || isUASheetBehavior(m_context.mode()))
return CSSSelector::CaseInsensitive;
}
m_failedParsing = true;
return CSSSelector::CaseSensitive;
}
StyleRuleBase* BisonCSSParser::createViewportRule()
{
// Allow @viewport rules from UA stylesheets even if the feature is disabled.
if (!RuntimeEnabledFeatures::cssViewportEnabled() && !isUASheetBehavior(m_context.mode()))
return 0;
m_allowImportRules = m_allowNamespaceDeclarations = false;
RefPtrWillBeRawPtr<StyleRuleViewport> rule = StyleRuleViewport::create();
rule->setProperties(createStylePropertySet());
clearProperties();
StyleRuleViewport* result = rule.get();
m_parsedRules.append(rule.release());
return result;
}
PassRefPtrWillBeRawPtr<StyleRuleViewport> CSSParserImpl::consumeViewportRule(CSSParserTokenRange prelude, CSSParserTokenRange block)
{
// Allow @viewport rules from UA stylesheets even if the feature is disabled.
if (!RuntimeEnabledFeatures::cssViewportEnabled() && !isUASheetBehavior(m_context.mode()))
return nullptr;
prelude.consumeWhitespace();
if (!prelude.atEnd())
return nullptr; // Parser error; @viewport prelude should be empty
if (m_observerWrapper) {
unsigned endOffset = m_observerWrapper->endOffset(prelude);
m_observerWrapper->observer().startRuleHeader(StyleRule::Viewport, m_observerWrapper->startOffset(prelude));
m_observerWrapper->observer().endRuleHeader(endOffset);
m_observerWrapper->observer().startRuleBody(endOffset);
m_observerWrapper->observer().endRuleBody(endOffset);
}
consumeDeclarationList(block, StyleRule::Viewport);
return StyleRuleViewport::create(createStylePropertySet(m_parsedProperties, CSSViewportRuleMode));
}
