-/* static_sequence_wvtree.cpp
- * Copyright (C) 2008, Francisco Claude, all rights reserved.
- *
- * static_sequence_wvtree definition
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include <static_sequence_wvtree.h>
-
-static_sequence_wvtree::static_sequence_wvtree(uint * symbols, uint n, wt_coder * c, static_bitsequence_builder * bmb, alphabet_mapper * am) {
- this->n = n;
- for(uint i=0;i<n;i++)
- symbols[i] = am->map(symbols[i]);
- this->am = am;
- am->use();
- this->c=c;
- c->use();
- root = new wt_node_internal(symbols, n, 0, c, bmb);
- for(uint i=0;i<n;i++)
- symbols[i] = am->unmap(symbols[i]);
-}
-
-static_sequence_wvtree::static_sequence_wvtree(uchar * symbols, uint n, wt_coder * c, static_bitsequence_builder * bmb, alphabet_mapper * am) {
- this->n = n;
- for(uint i=0;i<n;i++)
- symbols[i] = (uchar)am->map((uint)symbols[i]);
- this->am = am;
- am->use();
- this->c=c;
- c->use();
- uint *done = new uint[n/W+1];
- for (uint i = 0; i < n/W+1; i++)
- done[i] = 0;
- root = new wt_node_internal(symbols, n, 0, c, bmb, 0, done);
- delete [] done;
- delete [] symbols;
- symbols = 0; // Already deleted!
-// for(uint i=0;i<n;i++)
-// symbols[i] = (uchar)am->unmap((uint)symbols[i]);
-}
-
-static_sequence_wvtree::static_sequence_wvtree() {}
-
-static_sequence_wvtree::~static_sequence_wvtree() {
- delete root;
- am->unuse();
- c->unuse();
-}
-
-uint static_sequence_wvtree::rank(uint symbol, uint pos) {
- return root->rank(am->map(symbol), pos, 0, c);
-}
-
-uint static_sequence_wvtree::rankLessThan(uint &symbol, uint pos) {
- uint s = am->map(symbol);
-// std::cout << "lessthan..." << std::endl;
- uint r = root->rankLessThan(s, pos);
- symbol = am->unmap(s);
- return r;
-}
-
-
-uint static_sequence_wvtree::count(uint s) {
- return root->rank(am->map(s), len-1, 0, c);
-}
-
-uint static_sequence_wvtree::select(uint symbol, uint pos) {
- uint ret = root->select(am->map(symbol), pos, 0, c);
- if(ret==((uint)-1)) return (uint)-1;
- return ret-1;
-}
-
-uint static_sequence_wvtree::access(uint pos) {
- return am->unmap(root->access(pos));
-}
-
-vector<int> static_sequence_wvtree::access(uint i, uint j, uint min, uint max)
-{
- vector<int> resultSet;
- root->access(resultSet, i, j, am->map(min), am->map(max), c->depth()-1, 0);
- for (vector<int>::iterator it = resultSet.begin(); it != resultSet.end(); ++it)
- *it = am->unmap(*it);
- return resultSet;
-}
-
-vector<int> static_sequence_wvtree::accessAll(uint i, uint j)
-{
- vector<int> resultSet;
- if (j < i)
- return resultSet;
-
- // resultSet.reserve(j-i+1); // avoid reallocation
- root->access(resultSet, i, j);
- for (vector<int>::iterator it = resultSet.begin(); it != resultSet.end(); ++it)
- *it = am->unmap(*it);
- return resultSet;
-}
-
-uint static_sequence_wvtree::count(uint i, uint j, uint min, uint max)
-{
- return root->access(i, j, am->map(min), am->map(max), c->depth()-1, 0);
-}
-
-
-uint static_sequence_wvtree::size() {
- /*cout << "WT: " << root->size() << endl;
- cout << "Coder: " << c->size() << endl;
- cout << "AM: " << am->size() << endl;*/
- return sizeof(static_sequence_wvtree)+sizeof(uint)+root->size()+am->size()+c->size();
-}
-
-uint static_sequence_wvtree::save(FILE * fp) {
- uint wr = WVTREE_HDR;
- wr = fwrite(&wr,sizeof(uint),1,fp);
- if(wr!=1) return 1;
- wr = fwrite(&n,sizeof(uint),1,fp);
- if(wr!=1) return 1;
- if(c->save(fp)) return 1;
- if(am->save(fp)) return 1;
- if(root->save(fp)) return 1;
- return 0;
-}
-
-static_sequence_wvtree * static_sequence_wvtree::load(FILE *fp) {
- uint rd;
- if(fread(&rd,sizeof(uint),1,fp)!=1) return NULL;
- if(rd!=WVTREE_HDR) return NULL;
- static_sequence_wvtree * ret = new static_sequence_wvtree();
- if(fread(&ret->n,sizeof(uint),1,fp)!=1) return NULL;
- ret->c = wt_coder::load(fp);
- ret->c->use();
- ret->am = alphabet_mapper::load(fp);
- ret->am->use();
- ret->root = wt_node::load(fp);
- return ret;
-}