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/******************************************************************************* * * * rbTree.h -- Nirvana Editor Red-Black Balanced Binary Tree Header File * * * * Copyright 2002 The NEdit Developers * * * * This 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. In addition, you may distribute versions of this program linked to * * Motif or Open Motif. See README for details. * * * * This software 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 * * software; if not, write to the Free Software Foundation, Inc., 59 Temple * * Place, Suite 330, Boston, MA 02111-1307 USA * * * * Nirvana Text Editor * * July 31, 2001 * * * *******************************************************************************/ #ifndef NEDIT_RBTREE_H_INCLUDED #define NEDIT_RBTREE_H_INCLUDED typedef struct rbTreeNode { struct rbTreeNode *left; /* left child */ struct rbTreeNode *right; /* right child */ struct rbTreeNode *parent; /* parent */ int color; /* node color (rbTreeNodeBlack, rbTreeNodeRed) */ } rbTreeNode; typedef int (*rbTreeCompareNodeCB)(rbTreeNode *left, rbTreeNode *right); typedef rbTreeNode *(*rbTreeAllocateNodeCB)(rbTreeNode *src); typedef rbTreeNode *(*rbTreeAllocateEmptyNodeCB)(void); typedef void (*rbTreeDisposeNodeCB)(rbTreeNode *src); typedef int (*rbTreeCopyToNodeCB)(rbTreeNode *dst, rbTreeNode *src); rbTreeNode *rbTreeBegin(rbTreeNode *base); rbTreeNode *rbTreeReverseBegin(rbTreeNode *base); rbTreeNode *rbTreeFind(rbTreeNode *base, rbTreeNode *searchNode, rbTreeCompareNodeCB compareRecords); rbTreeNode *rbTreeInsert(rbTreeNode *base, rbTreeNode *searchNode, rbTreeCompareNodeCB compareRecords, rbTreeAllocateNodeCB allocateNode, rbTreeCopyToNodeCB copyToNode); rbTreeNode *rbTreeUnlinkNode(rbTreeNode *base, rbTreeNode *z); void rbTreeDeleteNode(rbTreeNode *base, rbTreeNode *foundNode, rbTreeDisposeNodeCB disposeNode); int rbTreeDelete(rbTreeNode *base, rbTreeNode *searchNode, rbTreeCompareNodeCB compareRecords, rbTreeDisposeNodeCB disposeNode); rbTreeNode *rbTreeNext(rbTreeNode *x); rbTreeNode *rbTreePrevious(rbTreeNode *x); int rbTreeSize(rbTreeNode *base); rbTreeNode *rbTreeNew(rbTreeAllocateEmptyNodeCB allocateEmptyNode); void rbTreeDispose(rbTreeNode *base, rbTreeDisposeNodeCB disposeNode); #endif /* NEDIT_RBTREE_H_INCLUDED */