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Diffstat (limited to 'intern/moto/include/GEN_List.h')
-rw-r--r-- | intern/moto/include/GEN_List.h | 120 |
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 index 00000000000..c7f974430f3 --- /dev/null +++ b/intern/moto/include/GEN_List.h @@ -0,0 +1,120 @@ +/** + * $Id$ + * ***** 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 + + + |