bool CSSVariableData::resolveVariableFallback(const CustomPropertyValueMap& customProperties, CSSParserTokenRange range, Vector<CSSParserToken>& result) const
{
if (range.atEnd())
return false;
ASSERT(range.peek().type() == CommaToken);
range.consume();
return resolveTokenRange(customProperties, range, result);
}
bool CSSVariableResolver::resolveFallback(CSSParserTokenRange range, Vector<CSSParserToken>& result)
{
if (range.atEnd())
return false;
ASSERT(range.peek().type() == CommaToken);
range.consume();
return resolveTokenRange(range, result);
}
PassRefPtr<CSSVariableData> CSSVariableResolver::resolveCustomProperty(AtomicString name, const CSSVariableData& variableData)
{
ASSERT(variableData.needsVariableResolution());
Vector<CSSParserToken> tokens;
m_variablesSeen.add(name);
bool success = resolveTokenRange(variableData.tokens(), tokens);
m_variablesSeen.remove(name);
// The old variable data holds onto the backing string the new resolved CSSVariableData
// relies on. Ensure it will live beyond us overwriting the RefPtr in StyleVariableData.
ASSERT(variableData.refCount() > 1);
if (!success || !m_cycleStartPoints.isEmpty()) {
m_cycleStartPoints.remove(name);
return nullptr;
}
return CSSVariableData::createResolved(tokens, variableData);
}
