Second Life viewer sources 1.13.2.12

1 files changed, 96 insertions, 0 deletions

diff --git a/linden/indra/llcommon/lldlinked.h b/linden/indra/llcommon/lldlinked.h
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+++ b/linden/indra/llcommon/lldlinked.h
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+/** 
+ * @file lldlinked.h
+ * @brief Declaration of the LLDLinked class.
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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.
+ */
+#ifndef LL_LLDLINKED_H
+#define LL_LLDLINKED_H
+
+#include <stdlib.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