public override void SetTag(string tag)
{
base.SetTag(tag);
// Var is our default tag handler:
Handler = TagHandlers.GetHandler("lang-" + Tag, "lang-var");
if (!SelfClosing)
{
SelfClosing = Handler.SelfClosing();
}
VariableTag varTag = Handler as VariableTag;
if (varTag != null)
{
varTag.Element = this;
}
}
protected override MLElement CreateTagElement(MLLexer lexer)
{
// Only ever called at the top level - push the new child straight to the language set.
LanguageElement result = new LanguageElement(Parent, lexer, true);
if (result.Tag == "language")
{
LanguageTag language = result.Handler as LanguageTag;
language.Apply(Parent, result);
}
else
{
// Must be a variable - if it isn't, error.
VariableTag varTag = result.Handler as VariableTag;
if (varTag == null)
{
throw new Exception("<" + result.Tag + "> not expected here - this file supports only <var>/<v> and <language> at it's top level (anything can go inside var/v though).");
}
varTag.Parent = Parent;
}
return(result);
}