public override bool Parse(ItemFactory itemFactory, ITextProvider text, TokenStream tokens)
{
switch (tokens.CurrentToken.TokenType)
{
case CssTokenType.Identifier:
if (TextRange.CompareDecoded(tokens.CurrentToken.Start, tokens.CurrentToken.Length, text, "from", true))
{
SelectorType = KeyFrameSelectorType.From;
Name = Children.AddCurrentAndAdvance(tokens, null);
}
else if (TextRange.CompareDecoded(tokens.CurrentToken.Start, tokens.CurrentToken.Length, text, "to", true))
{
SelectorType = KeyFrameSelectorType.To;
Name = Children.AddCurrentAndAdvance(tokens, null);
}
break;
case CssTokenType.Number:
// Must be a percentage:
if (tokens.Peek(1).TokenType == CssTokenType.Units &&
TextRange.Compare(tokens.Peek(1).Start, tokens.Peek(1).Length, text, "%", ignoreCase: false))
{
UnitValue uv = new UnitValue();
if (uv.Parse(itemFactory, text, tokens))
{
SelectorType = KeyFrameSelectorType.Percentage;
Children.Add(uv);
}
}
break;
}
if (tokens.CurrentToken.TokenType == CssTokenType.Comma && Children.Count > 0)
{
Comma = Children.AddCurrentAndAdvance(tokens, CssClassifierContextType.Punctuation);
}
return(Children.Count > 0);
}
