CSSRuleList::CSSRuleList(CSSStyleSheet* styleSheet, bool omitCharsetRules)
: m_styleSheet(styleSheet)
{
if (styleSheet && omitCharsetRules) {
m_styleSheet = 0;
for (unsigned i = 0; i < styleSheet->length(); ++i) {
CSSRule* rule = styleSheet->item(i);
if (!rule->isCharsetRule())
append(static_cast<CSSRule*>(rule));
}
}
}
PassRefPtr<CSSRuleList> CSSStyleSheet::rules()
{
KURL url = finalURL();
Document* document = findDocument();
if (!url.isEmpty() && document && !document->securityOrigin()->canRequest(url))
return 0;
// IE behavior.
RefPtr<StaticCSSRuleList> nonCharsetRules = StaticCSSRuleList::create();
unsigned ruleCount = length();
for (unsigned i = 0; i < ruleCount; ++i) {
CSSRule* rule = item(i);
if (rule->isCharsetRule())
continue;
nonCharsetRules->rules().append(rule);
}
return nonCharsetRules.release();
}