/// <summary>
/// Interpret an Markup
/// </summary>
/// <param name="markup">Markup to interpret</param>
public override void Visit(Markup markup)
{
if (IsCall(markup))
{ //We are calling a function
FunctionDefinition functionDefinition = SymbolTable.GetFunctionDefinition(markup.GetDesignator().GetIdentifier());
//Create SymbolTable for specific function
SymbolTable tempSymbolTable = SymbolTable;
SymbolTable = new SymbolTable(GetSymbolTableOfFunction(functionDefinition));
//Store arguments in SymbolTable as variables
int index = 0;
NodeList arguments = markup.GetArguments();
foreach (Formal formal in functionDefinition.GetFormals())
{
Expression expr = null;
if (arguments.Count > index)
{
Argument arg = (Argument)arguments.Get(index);
expr = arg.GetExpression();
}
SymbolTable.AddVariableDefinition(formal.GetIdentifier(), expr);
index++;
}
//Visit functiondefinition
functionDefinition.AcceptVisitor(this);
//Go back to parent SymbolTable
SymbolTable = tempSymbolTable;
}
else
{ //Dealing with an Tag
String tag = markup.GetDesignator().GetIdentifier();
//Write tag with retrieved attributes
AddElement(new XHTMLElement(tag, Current));
//Visit the attributes
foreach (Parser.Ast.Markup.Attribute attribute in markup.GetDesignator().GetAttributes())
{
attribute.AcceptVisitor(this);
}
//Interpret arguments also as attributes
String attributeValue = "";
foreach (Argument argument in markup.GetArguments())
{
if (argument is AttrArgument)
{
//Interpret expression to retrieve value
((AttrArgument)argument).GetExpression().AcceptVisitor(this);
//Store attribute
String attr = ((AttrArgument)argument).GetIdentifier();
Current.AddAttribute(attr, TextValue);
}
else if (argument is ExpressionArgument)
{
//Interpret expression
((ExpressionArgument)argument).GetExpression().AcceptVisitor(this);
if (TextValue == "undef")
{
TextValue = "UNDEFINED";
}
//Store value
if (!(attributeValue == "") && !(TextValue != ""))
{
attributeValue += " ";
}
attributeValue += TextValue;
}
}
if (attributeValue != "")
{ //Add value attribute
Current.AddAttribute("value", attributeValue);
}
}
}
