1 files changed, 120 insertions, 0 deletions
diff --git a/intern/moto/include/GEN_List.h b/intern/moto/include/GEN_List.h
new file mode 100644
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+++ b/intern/moto/include/GEN_List.h
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+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+
+#ifndef GEN_LIST_H
+#define GEN_LIST_H
+
+class GEN_Link {
+public:
+    GEN_Link() : m_next(0), m_prev(0) {}
+    GEN_Link(GEN_Link *next, GEN_Link *prev) : m_next(next), m_prev(prev) {}
+    
+    GEN_Link *getNext() const { return m_next; }  
+    GEN_Link *getPrev() const { return m_prev; }  
+
+    bool isHead() const { return m_prev == 0; }
+    bool isTail() const { return m_next == 0; }
+
+    void insertBefore(GEN_Link *link) {
+        m_next         = link;
+        m_prev         = link->m_prev;
+        m_next->m_prev = this;
+        m_prev->m_next = this;
+    } 
+
+    void insertAfter(GEN_Link *link) {
+        m_next         = link->m_next;
+        m_prev         = link;
+        m_next->m_prev = this;
+        m_prev->m_next = this;
+    } 
+
+    void remove() { 
+        m_next->m_prev = m_prev; 
+        m_prev->m_next = m_next;
+    }
+
+private:  
+    GEN_Link  *m_next;
+    GEN_Link  *m_prev;
+};
+
+class GEN_List {
+public:
+    GEN_List() : m_head(&m_tail, 0), m_tail(0, &m_head) {}
+
+    GEN_Link *getHead() const { return m_head.getNext(); } 
+    GEN_Link *getTail() const { return m_tail.getPrev(); } 
+
+    void addHead(GEN_Link *link) { link->insertAfter(&m_head); }
+    void addTail(GEN_Link *link) { link->insertBefore(&m_tail); }
+    
+private:
+    GEN_Link m_head;
+    GEN_Link m_tail;
+};
+
+#endif
+
+
+