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[SXSI/XMLTree.git] / libcds / src / static_sequence / static_sequence.cpp
1 /* static_sequence.cpp
2  * Copyright (C) 2008, Francisco Claude, all rights reserved.
3  *
4  * static_sequence definition
5  *
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.
10  *
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.
15  *
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
19  *
20  */
21  
22 #include <static_sequence.h>
23
24 static_sequence::static_sequence() {}
25 static_sequence::~static_sequence() {}
26 uint static_sequence::length() { return len; }
27
28 uint static_sequence::count(uint s) {
29   return rank(s,len-1);
30 }
31
32 static_sequence * static_sequence::load(FILE * fp) {
33   uint rd;
34   if(fread(&rd,sizeof(uint),1,fp)!=1) return NULL;
35   fseek(fp,-sizeof(uint),SEEK_CUR);
36   switch(rd) {
37     case WVTREE_HDR: return static_sequence_wvtree::load(fp);
38     case GMR_CHUNK_HDR: return static_sequence_gmr_chunk::load(fp);
39     case GMR_HDR: return static_sequence_gmr::load(fp);
40     case WVTREE_NOPTRS_HDR: return static_sequence_wvtree_noptrs::load(fp);
41   }
42   return NULL;
43 }