Diff: stack.h

Revision:

0:71d791204057

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stack.h	Tue Jun 07 13:32:20 2011 +0000
@@ -0,0 +1,49 @@
+#ifndef STACK_H
+#define STACK_H
+
+template<class T>
+class Stack
+{
+public:
+    T Data[50];
+    short Position;
+
+    Stack() : Position(0) {}
+
+    inline void Push( T v ) { if( Position < 50 ) Data[Position++] = v; }
+    inline T Pull() { if( Position ) return Data[--Position]; else return (T)NAKN; }
+    
+    void Pull( T &a ) 
+    { 
+        if( Position )     a = Data[--Position]; 
+        else             a = (T)NAKN; 
+    }
+    void Pull( T &b, T &a ) 
+    { 
+        if( Position )  b = Data[--Position]; 
+        else            b = (T)NAKN; 
+        if( Position )  a = Data[--Position]; 
+        else            a = (T)NAKN; 
+    }
+    void Pull( T &c, T &b, T &a ) 
+    { 
+        if( Position )  c = Data[--Position]; 
+        else            c = (T)NAKN; 
+        if( Position )  b = Data[--Position]; 
+        else            b = (T)NAKN; 
+        if( Position )  a = Data[--Position]; 
+        else            a = (T)NAKN; 
+    }
+    void Pull( T &d, T &c, T &b, T &a ) 
+    { 
+        if( Position )  d = Data[--Position]; 
+        else            d = (T)NAKN; 
+        if( Position )  c = Data[--Position]; 
+        else            c = (T)NAKN; 
+        if( Position )  b = Data[--Position]; 
+        else            b = (T)NAKN; 
+        if( Position )  a = Data[--Position]; 
+        else            a = (T)NAKN; 
+    }
+};
+#endif
\ No newline at end of file