/indra/llcommon/llstrider.h
C Header | 57 lines | 26 code | 7 blank | 24 comment | 0 complexity | 962bf091bdc27e1c4398b07df624f470 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llstrider.h
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #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;}
- U32 getSkip() const { return mSkip; }
- 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