1 /* static_sequence_wvtree.cpp
2 * Copyright (C) 2008, Francisco Claude, all rights reserved.
4 * static_sequence_wvtree definition
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
22 #include <static_sequence_wvtree.h>
24 static_sequence_wvtree::static_sequence_wvtree(uint * symbols, uint n, wt_coder * c, static_bitsequence_builder * bmb, alphabet_mapper * am) {
26 symbols[i] = am->map(symbols[i]);
31 root = new wt_node_internal(symbols, n, 0, c, bmb);
33 symbols[i] = am->unmap(symbols[i]);
36 static_sequence_wvtree::static_sequence_wvtree() {}
38 static_sequence_wvtree::~static_sequence_wvtree() {
44 uint static_sequence_wvtree::rank(uint symbol, uint pos) {
45 return root->rank(am->map(symbol), pos, 0, c);
48 uint static_sequence_wvtree::count(uint s) {
49 return root->rank(am->map(s), len-1, 0, c);
52 uint static_sequence_wvtree::select(uint symbol, uint pos) {
53 return root->select(am->map(symbol), pos, 0, c)-1;
56 uint static_sequence_wvtree::access(uint pos) {
57 return am->unmap(root->access(pos));
60 uint static_sequence_wvtree::size() {
61 /*cout << "WT: " << root->size() << endl;
62 cout << "Coder: " << c->size() << endl;
63 cout << "AM: " << am->size() << endl;*/
64 return sizeof(static_sequence_wvtree)+sizeof(uint)+root->size()+am->size()+c->size();
67 uint static_sequence_wvtree::save(FILE * fp) {
69 wr = fwrite(&wr,sizeof(uint),1,fp);
71 wr = fwrite(&n,sizeof(uint),1,fp);
73 if(c->save(fp)) return 1;
74 if(am->save(fp)) return 1;
75 if(root->save(fp)) return 1;
79 static_sequence_wvtree * static_sequence_wvtree::load(FILE *fp) {
81 if(fread(&rd,sizeof(uint),1,fp)!=1) return NULL;
82 if(rd!=WVTREE_HDR) return NULL;
83 static_sequence_wvtree * ret = new static_sequence_wvtree();
84 if(fread(&ret->n,sizeof(uint),1,fp)!=1) return NULL;
85 ret->c = wt_coder::load(fp);
87 ret->am = alphabet_mapper::load(fp);
89 ret->root = wt_node::load(fp);