void StyleSheetContents::parserAppendRule(PassRefPtr<StyleRuleBase> rule)
{
ASSERT(!rule->isCharsetRule());
if (rule->isImportRule()) {
// Parser enforces that @import rules come before anything else except @charset.
ASSERT(m_childRules.isEmpty());
m_importRules.append(static_cast<StyleRuleImport*>(rule.get()));
m_importRules.last()->setParentStyleSheet(this);
m_importRules.last()->requestStyleSheet();
return;
}
#if ENABLE(RESOLUTION_MEDIA_QUERY)
// Add warning message to inspector if dpi/dpcm values are used for screen media.
if (rule->isMediaRule())
reportMediaQueryWarningIfNeeded(singleOwnerDocument(), static_cast<StyleRuleMedia*>(rule.get())->mediaQueries());
#endif
// NOTE: The selector list has to fit into RuleData. <http://webkit.org/b/118369>
// If we're adding a rule with a huge number of selectors, split it up into multiple rules
if (rule->isStyleRule() && toStyleRule(rule.get())->selectorList().componentCount() > RuleData::maximumSelectorComponentCount) {
Vector<RefPtr<StyleRule>> rules = toStyleRule(rule.get())->splitIntoMultipleRulesWithMaximumSelectorComponentCount(RuleData::maximumSelectorComponentCount);
m_childRules.appendVector(rules);
return;
}
m_childRules.append(rule);
}
void StyleSheetContents::parseAuthorStyleSheet(const CachedCSSStyleSheet* cachedStyleSheet)
{
bool hasValidMIMEType = true;
String sheetText = cachedStyleSheet->sheetText(&hasValidMIMEType);
if (!hasValidMIMEType) {
ASSERT(sheetText.isNull());
if (auto* document = singleOwnerDocument()) {
if (auto* page = document->page())
page->console().addMessage(MessageSource::Security, MessageLevel::Error, "Did not parse stylesheet at '" + cachedStyleSheet->url().stringCenterEllipsizedToLength() + "' because its MIME type was invalid.");
}
return;
}
CSSParser p(parserContext());
p.parseSheet(this, sheetText, TextPosition(), nullptr, true);
if (m_parserContext.needsSiteSpecificQuirks && isStrictParserMode(m_parserContext.mode)) {
// Work around <https://bugs.webkit.org/show_bug.cgi?id=28350>.
DEPRECATED_DEFINE_STATIC_LOCAL(const String, mediaWikiKHTMLFixesStyleSheet, (ASCIILiteral("/* KHTML fix stylesheet */\n/* work around the horizontal scrollbars */\n#column-content { margin-left: 0; }\n\n")));
// There are two variants of KHTMLFixes.css. One is equal to mediaWikiKHTMLFixesStyleSheet,
// while the other lacks the second trailing newline.
if (baseURL().string().endsWith("/KHTMLFixes.css") && !sheetText.isNull() && mediaWikiKHTMLFixesStyleSheet.startsWith(sheetText)
&& sheetText.length() >= mediaWikiKHTMLFixesStyleSheet.length() - 1)
clearRules();
}
void StyleSheetContents::parserAppendRule(PassRefPtr<StyleRuleBase> rule)
{
ASSERT(!rule->isCharsetRule());
if (rule->isImportRule()) {
// Parser enforces that @import rules come before anything else except @charset.
ASSERT(m_childRules.isEmpty());
m_importRules.append(static_cast<StyleRuleImport*>(rule.get()));
m_importRules.last()->setParentStyleSheet(this);
m_importRules.last()->requestStyleSheet();
return;
}
// Add warning message to inspector if dpi/dpcm values are used for screen media.
if (rule->isMediaRule())
reportMediaQueryWarningIfNeeded(singleOwnerDocument(), static_cast<StyleRuleMedia*>(rule.get())->mediaQueries());
m_childRules.append(rule);
}