|
2081
|
1 /* |
|
|
2 |
|
7017
|
3 Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
|
|
4 2006, 2007 John W. Eaton |
|
2081
|
5 |
|
|
6 This file is part of Octave. |
|
|
7 |
|
|
8 Octave is free software; you can redistribute it and/or modify it |
|
|
9 under the terms of the GNU General Public License as published by the |
|
7016
|
10 Free Software Foundation; either version 3 of the License, or (at your |
|
|
11 option) any later version. |
|
2081
|
12 |
|
|
13 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
16 for more details. |
|
|
17 |
|
|
18 You should have received a copy of the GNU General Public License |
|
7016
|
19 along with Octave; see the file COPYING. If not, see |
|
|
20 <http://www.gnu.org/licenses/>. |
|
2081
|
21 |
|
|
22 */ |
|
|
23 |
|
|
24 #if !defined (octave_octave_stdiostream_h) |
|
|
25 #define octave_octave_stdiostream_h 1 |
|
|
26 |
|
|
27 #include "oct-stream.h" |
|
3630
|
28 #include "c-file-ptr-stream.h" |
|
2081
|
29 |
|
5325
|
30 template <typename BUF_T, typename STREAM_T, typename FILE_T> |
|
2081
|
31 class |
|
5325
|
32 octave_tstdiostream : public octave_base_stream |
|
2081
|
33 { |
|
|
34 public: |
|
|
35 |
|
5325
|
36 octave_tstdiostream (const std::string& n, FILE_T f = 0, |
|
|
37 std::ios::openmode m = std::ios::in|std::ios::out, |
|
|
38 oct_mach_info::float_format ff |
|
|
39 = oct_mach_info::native_float_format (), |
|
|
40 typename BUF_T::close_fcn cf = BUF_T::fclose) |
|
|
41 : octave_base_stream (m, ff), nm (n), md (m), |
|
5370
|
42 s (f ? new STREAM_T (f, cf) : 0) |
|
5325
|
43 { } |
|
4327
|
44 |
|
|
45 static octave_stream |
|
5325
|
46 create (const std::string& n, FILE_T f = 0, |
|
4587
|
47 std::ios::openmode m = std::ios::in|std::ios::out, |
|
5015
|
48 oct_mach_info::float_format ff |
|
|
49 = oct_mach_info::native_float_format (), |
|
5325
|
50 typename BUF_T::close_fcn cf = BUF_T::fclose) |
|
4327
|
51 { |
|
5325
|
52 return octave_stream (new octave_tstdiostream (n, f, m, ff, cf)); |
|
4327
|
53 } |
|
2081
|
54 |
|
|
55 // Position a stream at OFFSET relative to ORIGIN. |
|
|
56 |
|
5325
|
57 int seek (long offset, int origin) |
|
|
58 { return s ? s->seek (offset, origin) : -1; } |
|
2081
|
59 |
|
|
60 // Return current stream position. |
|
|
61 |
|
5325
|
62 long tell (void) { return s ? s->tell () : -1; } |
|
2081
|
63 |
|
4327
|
64 // Return non-zero if EOF has been reached on this stream. |
|
|
65 |
|
|
66 bool eof (void) const { return s ? s->eof () : true; } |
|
|
67 |
|
2081
|
68 // The name of the file. |
|
|
69 |
|
3523
|
70 std::string name (void) const { return nm; } |
|
2081
|
71 |
|
4327
|
72 std::istream *input_stream (void) { return (md & std::ios::in) ? s : 0; } |
|
2081
|
73 |
|
4361
|
74 std::ostream *output_stream (void) { return (md & std::ios::out) ? s : 0; } |
|
4326
|
75 |
|
5775
|
76 // FIXME -- should not have to cast away const here. |
|
5325
|
77 BUF_T *rdbuf (void) const |
|
|
78 { return s ? (const_cast<STREAM_T *> (s))->rdbuf () : 0; } |
|
4326
|
79 |
|
|
80 bool bad (void) const { return s ? s->bad () : true; } |
|
|
81 |
|
4327
|
82 void clear (void) { if (s) s->clear (); } |
|
4326
|
83 |
|
4327
|
84 void do_close (void) { if (s) s->close (); } |
|
4326
|
85 |
|
|
86 protected: |
|
|
87 |
|
4327
|
88 std::string nm; |
|
|
89 |
|
|
90 std::ios::openmode md; |
|
|
91 |
|
5325
|
92 STREAM_T *s; |
|
4326
|
93 |
|
5325
|
94 ~octave_tstdiostream (void) { delete s; } |
|
4326
|
95 |
|
|
96 private: |
|
|
97 |
|
|
98 // No copying! |
|
|
99 |
|
5325
|
100 octave_tstdiostream (const octave_tstdiostream&); |
|
|
101 |
|
|
102 octave_tstdiostream& operator = (const octave_tstdiostream&); |
|
|
103 }; |
|
4326
|
104 |
|
5325
|
105 typedef octave_tstdiostream<c_file_ptr_buf, io_c_file_ptr_stream, FILE *> octave_stdiostream; |
|
|
106 |
|
|
107 #ifdef HAVE_ZLIB |
|
|
108 |
|
|
109 typedef octave_tstdiostream<c_zfile_ptr_buf, io_c_zfile_ptr_stream, gzFile> octave_zstdiostream; |
|
|
110 |
|
|
111 #endif |
|
4326
|
112 |
|
2081
|
113 #endif |
|
|
114 |
|
|
115 /* |
|
|
116 ;;; Local Variables: *** |
|
|
117 ;;; mode: C++ *** |
|
|
118 ;;; End: *** |
|
|
119 */ |
