libStatGen Software  1
UncompressedFileType.cpp
1 /*
2  * Copyright (C) 2010 Regents of the University of Michigan
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "UncompressedFileType.h"
19 #include <string.h>
20 
21 UncompressedFileType::UncompressedFileType(const char * filename,
22  const char * mode)
23  : filePtr(NULL),
24  kfilePtr(NULL),
25  keof(false)
26 {
27  // Check if opening for read.
28  if((mode[0] == 'r') || (mode[0] == 'R'))
29  {
30  if(strcmp(filename, "-") == 0)
31  {
32  // read from stdin
33  filePtr = stdin;
34  }
35  else if((strstr(filename, "ftp://") == filename) ||
36  (strstr(filename, "http://") == filename))
37  {
38  // Reading http/ftp, so open the file using knetfile.
39  kfilePtr = knet_open(filename, mode);
40  }
41  else
42  {
43  // Open the file.
44  filePtr = fopen(filename, mode);
45  }
46  }
47  else
48  {
49  // Not for read.
50  // If the file is for write and is '-', then write to stdout.
51  if(((mode[0] == 'w') || (mode[0] == 'W')) &&
52  (strcmp(filename, "-") == 0))
53  {
54  // Write to stdout.
55  filePtr = stdout;
56  }
57  else
58  {
59  // Open the file.
60  filePtr = fopen(filename, mode);
61  }
62  }
63 };
64 
65