bool StyleSheetContents::wrapperDeleteRule(unsigned index) {
ASSERT(m_isMutable);
SECURITY_DCHECK(index < ruleCount());
if (index < m_importRules.size()) {
m_importRules[index]->clearParentStyleSheet();
if (m_importRules[index]->isFontFaceRule())
notifyRemoveFontFaceRule(toStyleRuleFontFace(m_importRules[index].get()));
m_importRules.remove(index);
return true;
}
index -= m_importRules.size();
if (index < m_namespaceRules.size()) {
if (!m_childRules.isEmpty())
return false;
m_namespaceRules.remove(index);
return true;
}
index -= m_namespaceRules.size();
if (m_childRules[index]->isFontFaceRule())
notifyRemoveFontFaceRule(toStyleRuleFontFace(m_childRules[index].get()));
m_childRules.remove(index);
return true;
}
void StyleSheetContents::wrapperDeleteRule(unsigned index)
{
ASSERT(m_isMutable);
ASSERT_WITH_SECURITY_IMPLICATION(index < ruleCount());
unsigned childVectorIndex = index;
if (hasCharsetRule()) {
if (childVectorIndex == 0) {
clearCharsetRule();
return;
}
--childVectorIndex;
}
if (childVectorIndex < m_importRules.size()) {
m_importRules[childVectorIndex]->clearParentStyleSheet();
if (m_importRules[childVectorIndex]->isFontFaceRule())
notifyRemoveFontFaceRule(toStyleRuleFontFace(m_importRules[childVectorIndex].get()));
m_importRules.remove(childVectorIndex);
return;
}
childVectorIndex -= m_importRules.size();
if (m_childRules[childVectorIndex]->isFontFaceRule())
notifyRemoveFontFaceRule(toStyleRuleFontFace(m_childRules[childVectorIndex].get()));
m_childRules.remove(childVectorIndex);
}
