public virtual void Visit(ExpressionEmbed embed)
{
VisitSubNodes(embed);
}
/// <summary>
/// Parser for Embed
/// </summary>
/// <returns>Parsed Embed</returns>
public Embed ParseEmbed()
{
Embed embed = null;
NodeList markupList = new NodeList();
//Set up MarkupParser
markupParser = new MarkupParser(EmbeddingTokenStream);
//Parse Markup*
//EmbeddingTokenStream.HasNext(2) && !(EmbeddingTokenStream.Peek(2).GetValue().ToString() == ">"
while(NextTokenIsMarkup())
{
markupList.Add(markupParser.ParseMarkup());
}
//Check if an expression is remaining, otherwise embed is MarkupEmbedding
if (IsExpressionRemaining())
{ //ExpressionEmbedding
ExpressionEmbed expressionEmbed = new ExpressionEmbed();
//Add already parsed markups to expressionEmbed
expressionEmbed.SetMarkups(markupList);
//Set up expressionparser
expressionParser = new ExpressionParser(EmbeddingTokenStream);
//Parse expression
expressionEmbed.SetExpression(expressionParser.ParseExpression());
embed = expressionEmbed;
}
else
{ //MarkupEmbedding
//Get last item from markupList and add it as Markup
if (markupList.Count != 0)
{
Markup markup = (Markup)markupList.Get(markupList.Count - 1);
markupList.Remove(markupList.Count - 1);
MarkupEmbed markupEmbed = new MarkupEmbed();
markupEmbed.SetMarkups(markupList);
markupEmbed.SetMarkup(markup);
embed = markupEmbed;
}
else
{ //Markup* Markup must contain at least one markup element
throw new UnexpectedToken("Markup expected, but found:", CurrentToken.GetValue().ToString(), CurrentToken.GetLine());
}
}
/*//Determine if remaining embed is Markup or Expression
if (NextTokenIsMarkup())
{ //MarkupEmbedding
MarkupEmbed markupEmbed = new MarkupEmbed();
//Add already parsed markups to markupEmbed
markupEmbed.SetMarkups(markupList);
//Parse latest markup
markupEmbed.SetMarkup(markupParser.ParseMarkup());
embed = markupEmbed;
}
else
{ //ExpressionEmbedding
ExpressionEmbed expressionEmbed = new ExpressionEmbed();
//Add already parsed markups to expressionEmbed
expressionEmbed.SetMarkups(markupList);
//Set up expressionparser
expressionParser = new ExpressionParser(EmbeddingTokenStream);
//Parse expression
expressionEmbed.SetExpression(expressionParser.ParseExpression());
embed = expressionEmbed;
} */
return embed;
}