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

namespace jet {
   
   __if::__if(coreutils::ZString &in, coreutils::MString &out) : Tag(in, out) {

      if(keywordExists(coreutils::ZString("value1"))) {	   
	 if(keywordExists(coreutils::ZString("expr")))
	   throw coreutils::Exception("Either value1 or expr can be specified but not both.");
	 if(keywordExists(coreutils::ZString("value2"))) {
	    if(keywordExists(coreutils::ZString("type"))) {
	       // process here
	    } else
	      throw coreutils::Exception("type expected if value1 and value2 specified.");
	 } else
	   throw coreutils::Exception("value2 required if value1 specified.");
      } else if(keywordExists(coreutils::ZString("expr"))) {
	 if(keywordExists(coreutils::ZString("value2")))
	   throw coreutils::Exception("value2 should not be specified with expr.");
	 if(keywordExists(coreutils::ZString("type")))
	   throw coreutils::Exception("type should not be specified with expr.");
	 // process here
      }
      
      if(true) {
	 parseContainer(container);
      }
      
   }
   
}