public override bool Parse(ItemFactory itemFactory, ITextProvider text, TokenStream tokens)
{
// foo : bar rgb(1,2,3) "baz" url(quux) / moo goo ! important ;
// First item is property name. Allow -webkit and *foo - the latter is used for 'commenting out'
PropertyName = ParseName(itemFactory, text, tokens);
if (tokens.CurrentToken.TokenType == CssTokenType.Colon ||
tokens.CurrentToken.TokenType == CssTokenType.DoubleColon)
{
Colon = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.Punctuation);
if (Colon.TokenType != CssTokenType.Colon)
{
Colon.AddParseError(ParseErrorType.UnexpectedToken, ParseErrorLocation.WholeItem);
}
}
// Parse values
while (KeepParsingValues(tokens))
{
switch (tokens.CurrentToken.TokenType)
{
case CssTokenType.Bang:
ParseBang(itemFactory, text, tokens);
break;
default:
ParseDefaultChild(itemFactory, text, tokens);
break;
}
}
ParseAfterValues(itemFactory, text, tokens);
// Add appropriate errors
if (PropertyName == null)
{
AddParseError(ParseErrorType.PropertyNameMissing, ParseErrorLocation.BeforeItem);
}
else if (Colon != null)
{
int semiColonIndex = (Semicolon != null) ? Children.IndexOf(Semicolon) : Children.Count;
if (Children.IndexOf(Colon) + 1 == semiColonIndex)
{
Colon.AddParseError(ParseErrorType.PropertyValueMissing, ParseErrorLocation.AfterItem);
}
}
else
{
AddColonMissingError();
}
return(Children.Count > 0);
}
public override bool Parse(ItemFactory itemFactory, ITextProvider text, TokenStream tokens)
{
if (tokens.CurrentToken.TokenType == CssTokenType.Identifier &&
TextRange.CompareDecoded(tokens.CurrentToken.Start, tokens.CurrentToken.Length, text, "and", true))
{
MediaCombineOperator = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.MediaCombineOperator);
}
if (tokens.CurrentToken.TokenType == CssTokenType.OpenFunctionBrace)
{
OpenFunctionBrace = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.FunctionBrace);
ParseFeatureName(itemFactory, text, tokens);
if (tokens.CurrentToken.TokenType == CssTokenType.Colon)
{
Colon = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.Punctuation);
}
while (tokens.CurrentToken.TokenType != CssTokenType.CloseFunctionBrace &&
tokens.CurrentToken.TokenType != CssTokenType.OpenCurlyBrace &&
!tokens.CurrentToken.IsScopeBlocker())
{
ParseNextValue(itemFactory, text, tokens);
}
if (tokens.CurrentToken.TokenType == CssTokenType.CloseFunctionBrace)
{
CloseFunctionBrace = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.FunctionBrace);
}
else
{
OpenFunctionBrace.AddParseError(ParseErrorType.CloseFunctionBraceMissing, ParseErrorLocation.AfterItem);
}
if ((Colon != null && Children[Children.Count - 1] == Colon) ||
(Colon != null && CloseFunctionBrace != null && Children.IndexOf(Colon) + 1 == Children.IndexOf(CloseFunctionBrace)))
{
// There was nothing between the colon and close brace
Colon.AddParseError(ParseErrorType.PropertyValueMissing, ParseErrorLocation.AfterItem);
}
}
if (MediaCombineOperator != null && OpenFunctionBrace == null)
{
MediaCombineOperator.AddParseError(ParseErrorType.MediaExpressionExpected, ParseErrorLocation.AfterItem);
}
return(Children.Count > 0);
}