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-rw-r--r--indra/llcommon/lldlinked.h93
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diff --git a/indra/llcommon/lldlinked.h b/indra/llcommon/lldlinked.h
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--- a/indra/llcommon/lldlinked.h
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-/**
- * @file lldlinked.h
- * @brief Declaration of the LLDLinked class.
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * 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_LLDLINKED_H
-#define LL_LLDLINKED_H
-
-template <class Type> class LLDLinked
-{
- LLDLinked* mNextp;
- LLDLinked* mPrevp;
-public:
-
- Type* getNext() { return (Type*)mNextp; }
- Type* getPrev() { return (Type*)mPrevp; }
- Type* getFirst() { return (Type*)mNextp; }
-
- void init()
- {
- mNextp = mPrevp = NULL;
- }
-
- void unlink()
- {
- if (mPrevp) mPrevp->mNextp = mNextp;
- if (mNextp) mNextp->mPrevp = mPrevp;
- }
-
- LLDLinked() { mNextp = mPrevp = NULL; }
- virtual ~LLDLinked() { unlink(); }
-
- virtual void deleteAll()
- {
- Type *curp = getFirst();
- while(curp)
- {
- Type *nextp = curp->getNext();
- curp->unlink();
- delete curp;
- curp = nextp;
- }
- }
-
- void relink(Type &after)
- {
- LLDLinked *afterp = (LLDLinked*)&after;
- afterp->mPrevp = this;
- mNextp = afterp;
- }
-
- virtual void append(Type& after)
- {
- LLDLinked *afterp = (LLDLinked*)&after;
- afterp->mPrevp = this;
- afterp->mNextp = mNextp;
- if (mNextp) mNextp->mPrevp = afterp;
- mNextp = afterp;
- }
-
- virtual void insert(Type& before)
- {
- LLDLinked *beforep = (LLDLinked*)&before;
- beforep->mNextp = this;
- beforep->mPrevp = mPrevp;
- if (mPrevp) mPrevp->mNextp = beforep;
- mPrevp = beforep;
- }
-
- virtual void put(Type& obj) { append(obj); }
-};
-
-#endif