bool InspectorStyleSheet::ensureSourceData(Node* ownerNode)
{
if (m_parsedStyleSheet->hasSourceData())
return true;
if (!m_parsedStyleSheet->hasText())
return false;
RefPtr<CSSStyleSheet> newStyleSheet = CSSStyleSheet::create(ownerNode);
CSSParser p;
StyleRuleRangeMap ruleRangeMap;
p.parseSheet(newStyleSheet.get(), m_parsedStyleSheet->text(), 0, &ruleRangeMap);
OwnPtr<ParsedStyleSheet::SourceData> rangesVector(new ParsedStyleSheet::SourceData());
for (unsigned i = 0, length = newStyleSheet->length(); i < length; ++i) {
CSSStyleRule* rule = InspectorCSSAgent::asCSSStyleRule(newStyleSheet->item(i));
if (!rule)
continue;
StyleRuleRangeMap::iterator it = ruleRangeMap.find(rule);
if (it != ruleRangeMap.end())
rangesVector->append(it->second);
}
m_parsedStyleSheet->setSourceData(rangesVector.release());
return m_parsedStyleSheet->hasSourceData();
}
HashMap<long, SourceRange> InspectorCSSStore::getRuleRangesForStyleSheet(CSSStyleSheet* styleSheet)
{
if (!styleSheet)
return HashMap<long, SourceRange>();
RefPtr<CSSRuleList> originalRuleList = CSSRuleList::create(styleSheet, false);
StyleSheetToOffsetsMap::iterator it = m_styleSheetToOffsets.find(styleSheet);
HashMap<long, SourceRange> result;
Vector<SourceRange>* offsetVector = 0;
if (it == m_styleSheetToOffsets.end()) {
InspectorResource* resource = m_inspectorController->resourceForURL(styleSheet->finalURL().string());
if (resource) {
offsetVector = new Vector<SourceRange>;
RefPtr<CSSStyleSheet> newStyleSheet = CSSStyleSheet::create(styleSheet->ownerNode());
CSSParser p;
CSSParser::StyleRuleRanges ruleRangeMap;
p.parseSheet(newStyleSheet.get(), resource->sourceString(), &ruleRangeMap);
for (unsigned i = 0, length = newStyleSheet->length(); i < length; ++i) {
CSSStyleRule* rule = asCSSStyleRule(newStyleSheet->item(i));
if (!rule)
continue;
HashMap<CSSStyleRule*, std::pair<unsigned, unsigned> >::iterator it = ruleRangeMap.find(rule);
if (it != ruleRangeMap.end())
offsetVector->append(it->second);
}
m_styleSheetToOffsets.set(styleSheet, offsetVector);
}
} else
offsetVector = it->second;
if (!offsetVector)
return HashMap<long, SourceRange>();
unsigned ruleIndex = 0;
for (unsigned i = 0, length = styleSheet->length(); i < length; ++i) {
ASSERT(ruleIndex < offsetVector->size());
CSSStyleRule* rule = asCSSStyleRule(styleSheet->item(i));
if (!rule)
continue;
result.set(bindRule(rule), offsetVector->at(ruleIndex));
ruleIndex++;
}
return result;
}