[MethodImpl(MethodImplOptions.AggressiveInlining)]// Private static function called in loops, inline it
static CssAtRule Consume_AtRule(DataConsumer <CssToken> Stream)
{
if (Stream is null)
{
throw new CssParserException(CssErrors.STREAM_IS_NULL);
}
var name = (Stream.Next as ValuedTokenBase).Value;
CssAtRule Rule = new CssAtRule(name);
CssToken Token;
do
{
Token = Stream.Consume();
switch (Token.Type)
{
case ECssTokenType.Semicolon:
case ECssTokenType.EOF:
return(Rule);
case ECssTokenType.Bracket_Open:
Rule.Block = Consume_SimpleBlock(Stream);
break;
default:
{
Stream.Reconsume();
Rule.Prelude.Add(Consume_ComponentValue(Stream));
}
break;
}
}while (Token.Type != ECssTokenType.EOF);
return(Rule);
}
public override Value ReadStartValue(CssLexer lexer)
{
// Read off the at:
lexer.Read();
// Read the name now:
string name = lexer.ReadString();
// Skip any junk:
lexer.SkipJunk();
// Map to an at rule:
CssAtRule rule = CssAtRules.GetLocal(name);
if (rule == null)
{
// Unrecognised - enter error recovery mode:
lexer.ErrorRecovery();
// Done:
return(null);
}
// Create the representitive unit:
AtRuleUnit at = new AtRuleUnit();
at.AtRule = rule;
// Now in @ mode:
rule.SetupParsing(lexer);
return(at);
}
