1 /*
2 * Adplug - Replayer for many OPL2/OPL3 audio file formats.
3 * Copyright (C) 1999 - 2002 Simon Peter, <dn.tlp@gmx.net>, et al.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 * fprovide.cpp - File provider class framework, by Simon Peter <dn.tlp@gmx.net>
20 */
21
22 #include <string.h>
23 #include <binio.h>
24 #include <binfile.h>
25
26 #include "fprovide.h"
27
28 /***** CFileProvider *****/
29
extension(const char * filename,const char * extension)30 bool CFileProvider::extension(const char *filename,
31 const char *extension)
32 {
33 const char *fname = filename, *ext = extension;
34
35 if(strlen(fname) < strlen(ext) ||
36 stricmp(fname + strlen(fname) - strlen(ext), ext))
37 return false;
38 else
39 return true;
40 }
41
filesize(binistream * f)42 unsigned long CFileProvider::filesize(binistream *f)
43 {
44 unsigned long oldpos = f->pos(), size;
45
46 f->seek(0, binio::End);
47 size = f->pos();
48 f->seek(oldpos, binio::Set);
49
50 return size;
51 }
52
53 /***** CProvider_Filesystem *****/
54
open(const char * filename) const55 binistream *CProvider_Filesystem::open(const char * filename) const
56 {
57 binifstream *f = new binifstream(filename);
58
59 if(!f) return 0;
60 if(f->error()) { delete f; return 0; }
61
62 // Open all files as little endian with IEEE floats by default
63 f->setFlag(binio::BigEndian, false); f->setFlag(binio::FloatIEEE);
64
65 return f;
66 }
67
close(binistream * f) const68 void CProvider_Filesystem::close(binistream *f) const
69 {
70 binifstream *ff = (binifstream *)f;
71
72 if(f) {
73 ff->close();
74 delete ff;
75 }
76 }
77