cmJson.h/c : Added cmJsonMemberAtIndex().

cmJson.c

@@ -1456,6 +1456,14 @@ cmJsRC_t      cmJsonMemberType( const cmJsonNode_t* np, const char* label, unsig
   return rc;
 }
 
+cmJsonNode_t* cmJsonMemberAtIndex( cmJsonNode_t* objNodePtr, unsigned idx )
+{
+  cmJsonNode_t* cnp = cmJsonArrayElement( objNodePtr, idx );
+  assert( cmJsonIsPair(cnp) );
+  return cnp;
+}  
+
+
 cmJsRC_t      cmJsonUIntMember(    const cmJsonNode_t* np, const char* label, unsigned* retPtr )
 { 
   cmJsonNode_t* vp;

cmJson.h

@@ -197,7 +197,10 @@ extern "C" {
   
   // Return the type of a member value.
   cmJsRC_t     cmJsonMemberType( const cmJsonNode_t* objectNodePtr, const char* label, unsigned* typeIdRef );
-  
+
+  // Return the pair at the specified index.  Use cmJsonChildCount() to get the count of pairs in the object.
+  cmJsonNode_t* cmJsonMemberAtIndex( cmJsonNode_t* objNodePtr, unsigned idx );
+
   // Return values associated with the member values in the object
   // pointed to by object objectNodePtr.
   cmJsRC_t      cmJsonUIntMember(   const cmJsonNode_t* objectNodePtr, const char* label, unsigned* retPtr );