Initial community commit

Src/nde/LinkedList.h

@@ -0,0 +1,82 @@
+/* ---------------------------------------------------------------------------
+ Nullsoft Database Engine
+ --------------------
+ codename: Near Death Experience
+ --------------------------------------------------------------------------- */
+
+/* ---------------------------------------------------------------------------
+ 
+ Double-Linked List Class Prototypes
+ 
+ --------------------------------------------------------------------------- */
+
+#ifndef __LINKEDLIST_H
+#define __LINKEDLIST_H
+
+class LinkedListEntry
+{
+public:
+	LinkedListEntry *Next;
+	LinkedListEntry *Previous;
+public:
+	LinkedListEntry *GetNext() const;
+	LinkedListEntry *GetPrevious() const;
+	LinkedListEntry();
+	virtual ~LinkedListEntry();
+};
+
+template <class T> class VListEntry : public LinkedListEntry 
+{
+public:
+	void SetVal(T val) 
+	{
+		Val = val;
+	}
+	T GetVal(void) 
+	{
+		return Val;
+	}
+	
+private:
+	T Val;
+};
+
+template <class T> class PListEntry : public LinkedListEntry 
+{
+public:
+	void SetVal(T *val) 
+	{
+		Val = val;
+	}
+	T *GetVal(void) 
+	{
+		return Val;
+	}
+	
+private:
+	T *Val;
+};
+
+
+typedef bool (*WalkListProc)(LinkedListEntry *Entry, int, void*, void*);
+
+class LinkedList
+{
+protected:
+	int NElements;
+	LinkedListEntry *Head;
+	LinkedListEntry *Foot;
+	
+public:
+	LinkedList();
+	~LinkedList();
+	void AddEntry(LinkedListEntry *Entry, bool Cat);
+	void RemoveEntry(LinkedListEntry *Entry);
+	
+	void WalkList(WalkListProc WalkProc, int ID, void *Data1, void *Data2);
+	int GetNElements(void) { return NElements; }
+	LinkedListEntry *GetHead(void) { return Head; }
+	LinkedListEntry *GetFoot(void) { return Foot; }
+};
+
+#endif