GODOT IS OPEN SOURCE

1 files changed, 116 insertions, 0 deletions

diff --git a/core/self_list.h b/core/self_list.h
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+++ b/core/self_list.h
@@ -0,0 +1,116 @@
+/*************************************************************************/
+/*  self_list.h                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef SELF_LIST_H
+#define SELF_LIST_H
+
+#include "typedefs.h"
+
+template<class T>
+class SelfList {
+public:
+
+
+
+	class List {
+
+
+		SelfList<T> *_first;
+	public:
+		void add(SelfList<T> *p_elem) {
+
+			ERR_FAIL_COND(p_elem->_root);
+
+			p_elem->_root=this;
+			p_elem->_next=_first;
+			p_elem->_prev=NULL;
+			if (_first)
+				_first->_prev=p_elem;
+			_first=p_elem;
+		}
+
+		void remove(SelfList<T> *p_elem) {
+
+			ERR_FAIL_COND(p_elem->_root!=this);
+			if (p_elem->_next) {
+
+				p_elem->_next->_prev=p_elem->_prev;
+			}
+			if (p_elem->_prev) {
+
+				p_elem->_prev->_next=p_elem->_next;
+			}
+
+			if (_first==p_elem) {
+
+				_first=p_elem->_next;
+			}
+
+			p_elem->_next=NULL;
+			p_elem->_prev=NULL;
+			p_elem->_root=NULL;
+		}
+
+		_FORCE_INLINE_ SelfList<T> *first() { return _first; }
+		_FORCE_INLINE_ const SelfList<T> *first() const { return _first; }
+		_FORCE_INLINE_ List() { _first=NULL; }
+		_FORCE_INLINE_ ~List() { ERR_FAIL_COND(_first!=NULL); }
+
+	};
+private:
+	List *_root;
+	T *_self;
+	SelfList<T> *_next;
+	SelfList<T> *_prev;
+public:
+
+	_FORCE_INLINE_ bool in_list() const { return _root; }
+	_FORCE_INLINE_ SelfList<T> *next() { return _next; }
+	_FORCE_INLINE_ SelfList<T> *prev() { return _prev; }
+	_FORCE_INLINE_ const SelfList<T> *next() const { return _next; }
+	_FORCE_INLINE_ const SelfList<T> *prev() const { return _prev; }
+	_FORCE_INLINE_ T*self() const { return _self; }
+
+
+	_FORCE_INLINE_ SelfList(T *p_self) {
+
+		_self=p_self;
+		_next=NULL;
+		_prev=NULL;
+		_root=NULL;
+	}
+
+	_FORCE_INLINE_ ~SelfList() {
+
+		if (_root)
+			_root->remove(this);
+	}
+
+};
+
+#endif // SELF_LIST_H