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/**
* @file llstrider.h
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#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 +=(int i) { mBytep += mSkip*i; return mObjectp; }
Object& operator[](U32 index) { return *(Object*)(mBytep + (mSkip * index)); }
};
#endif // LL_LLSTRIDER_H
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