protected override void ParseArgument(ItemFactory itemFactory, ITextProvider text, TokenStream tokens)
{
SimpleSelector simpleSelector = itemFactory.CreateSpecific <SimpleSelector>(this);
if (simpleSelector.ParseInFunction(itemFactory, text, tokens))
{
Selector = simpleSelector;
ArgumentItems.Add(Selector);
Children.Add(Selector);
}
if (tokens.CurrentToken.TokenType != CssTokenType.Comma &&
tokens.CurrentToken.TokenType != CssTokenType.CloseFunctionBrace)
{
Children.AddParseError(ParseErrorType.FunctionArgumentCommaMissing);
}
}
public override bool Parse(ItemFactory itemFactory, ITextProvider text, TokenStream tokens)
{
while (!IsAtSelectorGroupTerminator(tokens))
{
SimpleSelector simpleSelector = itemFactory.CreateSpecific <SimpleSelector>(this);
if (!simpleSelector.Parse(itemFactory, text, tokens))
{
break;
}
SimpleSelectors.Add(simpleSelector);
Children.Add(simpleSelector);
}
if (tokens.CurrentToken.TokenType == CssTokenType.Comma)
{
Comma = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.Punctuation);
if (SimpleSelectors.Count == 0)
{
Comma.AddParseError(ParseErrorType.SelectorBeforeCommaMissing, ParseErrorLocation.BeforeItem);
}
}
if (SimpleSelectors.Count > 0)
{
SimpleSelector lastSimpleSelector = SimpleSelectors[SimpleSelectors.Count - 1];
if (lastSimpleSelector.SelectorCombineOperator != null)
{
lastSimpleSelector.AddParseError(ParseErrorType.SelectorAfterCombineOperatorMissing, ParseErrorLocation.AfterItem);
}
}
return(Children.Count > 0);
}
