void MediaQueryParser::processToken(const MediaQueryToken& token)
{
MediaQueryTokenType type = token.type();
handleBlocks(token);
m_blockWatcher.handleToken(token);
// Call the function that handles current state
if (type != WhitespaceToken && type != CommentToken)
((this)->*(m_state))(type, token);
}
void MediaQueryTokenizer::tokenize(String string, Vector<MediaQueryToken>& outTokens)
{
// According to the spec, we should perform preprocessing here.
// See: http://dev.w3.org/csswg/css-syntax/#input-preprocessing
//
// However, we can skip this step since:
// * We're using HTML spaces (which accept \r and \f as a valid white space)
// * Do not count white spaces
// * consumeEscape replaces NULLs for replacement characters
if (string.isEmpty())
return;
MediaQueryInputStream input(string);
MediaQueryTokenizer tokenizer(input);
while (true) {
MediaQueryToken token = tokenizer.nextToken();
outTokens.append(token);
if (token.type() == EOFToken)
return;
}
}
void MediaQueryParser::handleBlocks(const MediaQueryToken& token)
{
if (token.blockType() == MediaQueryToken::BlockStart
&& (token.type() != LeftParenthesisToken || m_blockWatcher.blockLevel()))
m_state = SkipUntilBlockEnd;
}