Seeding from the 1.2 tree.

dll/europa/cse476/list.h

@@ -0,0 +1,53 @@
+#ifndef _LIST_H_
+#define _LIST_H_
+
+#include "gnode.h"
+
+struct listNode;
+typedef struct listNode {
+  char *item;
+  List *itemList;
+  genericNode *itemNode;
+  
+  listNode *nextPtr;            // pointer to next option
+  listNode *prevPtr;
+};
+
+class List {
+public:
+  List();
+  ~List();
+  void InsertBefore(char *item);
+  void InsertBefore(List *item);
+  void InsertBefore(genericNode *item);
+  void InsertAfter(char *item);
+  void InsertAfter(List *item);
+  void InsertAfter(genericNode *item);
+
+  // returns true if everything is good, false if operation failed
+  bool GoTop(void); // GOOD
+  bool GoNext(void); // GOOD
+  bool GoPrev(void);
+  bool GoItem(int n);
+  bool empty(void); // GOOD
+  int length(void); // GOOD
+
+  char *currItem(void);
+  List *currItemList(void);
+  genericNode *currItemNode(void);
+  void Print(void);
+
+  friend List *MakeFeatList(char *text);
+
+  friend List *makeFeatureList(char *text); // GOOD
+  friend ostream &operator<<(ostream &out_file, const List &l); // GOOD
+  friend List *substitute(List *old, List *assign);
+
+ private:
+  listNode *rootPtr;
+  listNode *currPtr;
+};
+
+List *MakeList(char *text);
+
+#endif