2 * Copyright (C) 2008, Francisco Claude, all rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 #define WT_NODE_NULL_HDR 0
30 #define WT_NODE_INTERNAL_HDR 2
31 #define WT_NODE_LEAF_HDR 3
33 /** Base clase for nodes in the wavelet tree
35 * @author Francisco Claude
40 virtual uint rank(uint symbol, uint pos, uint l, wt_coder * c)=0;
41 virtual uint rankLessThan(uint &symbol, uint pos, uint level, wt_coder * c) = 0;
42 virtual uint rankLessThan(uint &symbol, uint pos) = 0;
43 virtual uint select(uint symbol, uint pos, uint l, wt_coder * c)=0;
44 virtual uint access(uint pos)=0;
45 virtual uint access(uint pos, uint &rank)
47 assert(0); // Implemented only in wt_node_internal
50 virtual void access(std::vector<int> &result, uint i, uint j, uint min, uint max, uint l, uint pivot)=0;
51 virtual void access(std::vector<int> &result, uint i, uint j)=0;
52 virtual uint access(uint i, uint j, uint min, uint max, uint l, uint pivot)=0;
53 virtual uint size()=0;
54 virtual uint save(FILE *fp)=0;
55 static wt_node * load(FILE *fp);
58 #include <wt_node_internal.h>
59 #include <wt_node_leaf.h>