void MediaQueryParser::readMediaType(CSSParserTokenType type, const CSSParserToken& token)
{
if (type == LeftParenthesisToken) {
if (m_mediaQueryData.restrictor() != MediaQuery::None)
m_state = SkipUntilComma;
else
m_state = ReadFeature;
} else if (type == IdentToken) {
if (m_state == ReadRestrictor && token.valueEqualsIgnoringASCIICase("not")) {
setStateAndRestrict(ReadMediaType, MediaQuery::Not);
} else if (m_state == ReadRestrictor && token.valueEqualsIgnoringASCIICase("only")) {
setStateAndRestrict(ReadMediaType, MediaQuery::Only);
} else if (m_mediaQueryData.restrictor() != MediaQuery::None
&& isRestrictorOrLogicalOperator(token)) {
m_state = SkipUntilComma;
} else {
m_mediaQueryData.setMediaType(token.value());
m_state = ReadAnd;
}
} else if (type == EOFToken && (!m_querySet->queryVector().size() || m_state != ReadRestrictor)) {
m_state = Done;
} else {
m_state = SkipUntilComma;
if (type == CommaToken)
skipUntilComma(type, token);
}
}
static bool isRestrictorOrLogicalOperator(const CSSParserToken& token)
{
// FIXME: it would be more efficient to use lower-case always for tokenValue.
return token.valueEqualsIgnoringASCIICase("not")
|| token.valueEqualsIgnoringASCIICase("and")
|| token.valueEqualsIgnoringASCIICase("or")
|| token.valueEqualsIgnoringASCIICase("only");
}
void MediaQueryParser::readMediaNot(CSSParserTokenType type, const CSSParserToken& token)
{
if (type == IdentToken && token.valueEqualsIgnoringASCIICase("not"))
setStateAndRestrict(ReadFeatureStart, MediaQuery::Not);
else
readFeatureStart(type, token);
}
void MediaQueryParser::readAnd(CSSParserTokenType type, const CSSParserToken& token)
{
if (type == IdentToken && token.valueEqualsIgnoringASCIICase("and")) {
m_state = ReadFeatureStart;
} else if (type == CommaToken && m_parserType != MediaConditionParser) {
m_querySet->addMediaQuery(m_mediaQueryData.takeMediaQuery());
m_state = ReadRestrictor;
} else if (type == EOFToken) {
m_state = Done;
} else {
m_state = SkipUntilComma;
}
}