#include "__if.h"
#include "Exception.h"
#include <iostream>
#include "Expression.h"

namespace jet {

   __if::__if(coreutils::ZString &in, coreutils::MString &parent, Global &global) : Tag(in, parent, global, "else") {

      coreutils::MString result;

      if(variableDefined("value1")) {
	 if(variableDefined("expr"))
	   throw coreutils::Exception("Either value1 or expr can be specified but not both.");
	 if(variableDefined("value2")) {
	    if(variableDefined("type")) {
	       result = Expression(variables["expr"]);
	    } else
	      throw coreutils::Exception("type expected if value1 and value2 specified.");
	 } else
	   throw coreutils::Exception("value2 required if value1 specified.");
	 std::cout << variables["value1"].str() << "' and value2 '" << variables["value2"].str() << "' comparison" << std::endl;
      } else if(variableDefined("expr")) {
   	   if(variableDefined("value2"))
	        throw coreutils::Exception("value2 should not be specified with expr.");
	      if(variableDefined("type"))
	        throw coreutils::Exception("type should not be specified with expr.");
	      result = Expression(variables["expr"]);
      }
      if(result.boolValue()) 
	processContainer(container);
      else
	if(hasContainer2)
	  processContainer(container2);
      
   }

}