Initial repository commit.

__if.cpp

@@ -0,0 +1,33 @@
+#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);
+      }
+      
+   }
+   
+}