bool CSSVariableParser::isValidVariableName(const CSSParserToken& token)
{
if (token.type() != IdentToken)
return false;
CSSParserString value = token.value();
return value.length() >= 2 && value[0] == '-' && value[1] == '-';
}
void BisonCSSParser::tokenToLowerCase(CSSParserString& token)
{
// Since it's our internal token, we know that we created it out
// of our writable work buffers. Therefore the const_cast is just
// ugly and not a potential crash.
size_t length = token.length();
if (token.is8Bit()) {
makeLower(token.characters8(), const_cast<LChar*>(token.characters8()), length);
} else {
makeLower(token.characters16(), const_cast<UChar*>(token.characters16()), length);
}
}
void CSSVariableData::consumeAndUpdateTokens(const CSSParserTokenRange& range)
{
StringBuilder stringBuilder;
CSSParserTokenRange localRange = range;
while (!localRange.atEnd()) {
CSSParserToken token = localRange.consume();
if (token.hasStringBacking()) {
CSSParserString value = token.value();
if (value.is8Bit())
stringBuilder.append(value.characters8(), value.length());
else
stringBuilder.append(value.characters16(), value.length());
}
}
m_backingString = stringBuilder.toString();
if (m_backingString.is8Bit())
updateTokens<LChar>(range);
else
updateTokens<UChar>(range);
}