1 files changed, 38 insertions, 0 deletions
diff --git a/indra/llcommon/llstrider.h b/indra/llcommon/llstrider.h
new file mode 100644
index 0000000000..0688e43940
--- /dev/null
+++ b/indra/llcommon/llstrider.h
@@ -0,0 +1,38 @@
+/** 
+ * @file llstrider.h
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLSTRIDER_H
+#define LL_LLSTRIDER_H
+
+#include "stdtypes.h"
+
+template <class Object> class LLStrider
+{
+	union
+	{
+		Object* mObjectp;
+		U8*		mBytep;
+	};
+	U32     mSkip;
+public:
+
+	LLStrider()  { mObjectp = NULL; mSkip = sizeof(Object); } 
+	~LLStrider() { } 
+
+	const LLStrider<Object>& operator =  (Object *first)    { mObjectp = first; return *this;}
+	void setStride (S32 skipBytes)	{ mSkip = (skipBytes ? skipBytes : sizeof(Object));}
+
+	void skip(const U32 index)     { mBytep += mSkip*index;}
+
+	Object* get()                  { return mObjectp; }
+	Object* operator->()           { return mObjectp; }
+	Object& operator *()           { return *mObjectp; }
+	Object* operator ++(int)       { Object* old = mObjectp; mBytep += mSkip; return old; }
+	Object& operator[](U32 index)  { return *(Object*)(mBytep + (mSkip * index)); }
+};
+
+#endif // LL_LLSTRIDER_H