|
2081
|
1 /* |
|
|
2 |
|
2847
|
3 Copyright (C) 1996, 1997 John W. Eaton |
|
2081
|
4 |
|
|
5 This file is part of Octave. |
|
|
6 |
|
|
7 Octave is free software; you can redistribute it and/or modify it |
|
|
8 under the terms of the GNU General Public License as published by the |
|
7016
|
9 Free Software Foundation; either version 3 of the License, or (at your |
|
|
10 option) any later version. |
|
2081
|
11 |
|
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 for more details. |
|
|
16 |
|
|
17 You should have received a copy of the GNU General Public License |
|
7016
|
18 along with Octave; see the file COPYING. If not, see |
|
|
19 <http://www.gnu.org/licenses/>. |
|
2081
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #if !defined (octave_octave_strstream_h) |
|
|
24 #define octave_octave_strstream_h 1 |
|
|
25 |
|
2445
|
26 #include <string> |
|
5765
|
27 #include <sstream> |
|
4051
|
28 |
|
2081
|
29 #include "oct-stream.h" |
|
|
30 |
|
|
31 class |
|
|
32 octave_base_strstream : public octave_base_stream |
|
|
33 { |
|
|
34 public: |
|
|
35 |
|
4587
|
36 octave_base_strstream (std::ios::openmode m = std::ios::out, |
|
5015
|
37 oct_mach_info::float_format ff |
|
|
38 = oct_mach_info::native_float_format ()) |
|
4587
|
39 : octave_base_stream (m, ff) { } |
|
2081
|
40 |
|
|
41 // Position a stream at OFFSET relative to ORIGIN. |
|
|
42 |
|
4933
|
43 int seek (long, int); |
|
2081
|
44 |
|
|
45 // Return current stream position. |
|
|
46 |
|
4797
|
47 long tell (void); |
|
2081
|
48 |
|
|
49 // The name of the file. |
|
|
50 |
|
3523
|
51 std::string name (void) const { return std::string (); } |
|
2081
|
52 |
|
3523
|
53 virtual std::streambuf *rdbuf (void) = 0; |
|
2081
|
54 |
|
|
55 virtual bool bad (void) const = 0; |
|
|
56 |
|
|
57 virtual void clear (void) = 0; |
|
|
58 |
|
3340
|
59 protected: |
|
|
60 |
|
|
61 ~octave_base_strstream (void) { } |
|
|
62 |
|
2081
|
63 private: |
|
|
64 |
|
|
65 // No copying! |
|
|
66 |
|
|
67 octave_base_strstream (const octave_base_strstream&); |
|
|
68 |
|
|
69 octave_base_strstream& operator = (const octave_base_strstream&); |
|
|
70 }; |
|
|
71 |
|
|
72 class |
|
|
73 octave_istrstream : public octave_base_strstream |
|
|
74 { |
|
|
75 public: |
|
|
76 |
|
|
77 octave_istrstream (const char *data, |
|
3538
|
78 std::ios::openmode arg_md = std::ios::out, |
|
5015
|
79 oct_mach_info::float_format ff |
|
|
80 = oct_mach_info::native_float_format ()) |
|
4587
|
81 : octave_base_strstream (arg_md, ff), is (data) { } |
|
2081
|
82 |
|
3523
|
83 octave_istrstream (const std::string& data, |
|
3538
|
84 std::ios::openmode arg_md = std::ios::out, |
|
5015
|
85 oct_mach_info::float_format ff |
|
|
86 = oct_mach_info::native_float_format ()) |
|
4587
|
87 : octave_base_strstream (arg_md, ff), is (data.c_str ()) { } |
|
2081
|
88 |
|
3340
|
89 static octave_stream |
|
3538
|
90 create (const char *data, std::ios::openmode arg_md = std::ios::out, |
|
5015
|
91 oct_mach_info::float_format ff |
|
|
92 = oct_mach_info::native_float_format ()); |
|
3340
|
93 |
|
|
94 static octave_stream |
|
3538
|
95 create (const std::string& data, std::ios::openmode arg_md = std::ios::out, |
|
5015
|
96 oct_mach_info::float_format ff |
|
|
97 = oct_mach_info::native_float_format ()); |
|
2081
|
98 |
|
|
99 // Return non-zero if EOF has been reached on this stream. |
|
|
100 |
|
|
101 bool eof (void) const { return is.eof (); } |
|
|
102 |
|
3523
|
103 std::istream *input_stream (void) { return &is; } |
|
2081
|
104 |
|
3523
|
105 std::ostream *output_stream (void) { return 0; } |
|
2081
|
106 |
|
3523
|
107 std::streambuf *rdbuf (void) { return is ? is.rdbuf () : 0; } |
|
2081
|
108 |
|
|
109 bool bad (void) const { return is.bad (); } |
|
|
110 |
|
|
111 void clear (void) { is.clear (); } |
|
|
112 |
|
3340
|
113 protected: |
|
|
114 |
|
|
115 ~octave_istrstream (void) { } |
|
|
116 |
|
2081
|
117 private: |
|
|
118 |
|
5765
|
119 std::istringstream is; |
|
2081
|
120 |
|
|
121 // No copying! |
|
|
122 |
|
|
123 octave_istrstream (const octave_istrstream&); |
|
|
124 |
|
|
125 octave_istrstream& operator = (const octave_istrstream&); |
|
|
126 }; |
|
|
127 |
|
|
128 class |
|
|
129 octave_ostrstream : public octave_base_strstream |
|
|
130 { |
|
|
131 public: |
|
|
132 |
|
3538
|
133 octave_ostrstream (std::ios::openmode arg_md = std::ios::out, |
|
5015
|
134 oct_mach_info::float_format ff |
|
|
135 = oct_mach_info::native_float_format ()) |
|
4587
|
136 : octave_base_strstream (arg_md, ff) { } |
|
2081
|
137 |
|
3340
|
138 static octave_stream |
|
3538
|
139 create (std::ios::openmode arg_md = std::ios::out, |
|
5015
|
140 oct_mach_info::float_format ff |
|
|
141 = oct_mach_info::native_float_format ()); |
|
2081
|
142 |
|
|
143 // Return non-zero if EOF has been reached on this stream. |
|
|
144 |
|
|
145 bool eof (void) const { return os.eof (); } |
|
|
146 |
|
3523
|
147 std::istream *input_stream (void) { return 0; } |
|
2081
|
148 |
|
3523
|
149 std::ostream *output_stream (void) { return &os; } |
|
2081
|
150 |
|
5765
|
151 std::string str (void) { return os.str (); } |
|
2081
|
152 |
|
3523
|
153 std::streambuf *rdbuf (void) { return os ? os.rdbuf () : 0; } |
|
2081
|
154 |
|
|
155 bool bad (void) const { return os.bad (); } |
|
|
156 |
|
|
157 void clear (void) { os.clear (); } |
|
|
158 |
|
3340
|
159 protected: |
|
|
160 |
|
|
161 ~octave_ostrstream (void) { } |
|
|
162 |
|
2081
|
163 private: |
|
|
164 |
|
5765
|
165 std::ostringstream os; |
|
2081
|
166 |
|
|
167 // No copying! |
|
|
168 |
|
|
169 octave_ostrstream (const octave_ostrstream&); |
|
|
170 |
|
|
171 octave_ostrstream& operator = (const octave_ostrstream&); |
|
|
172 }; |
|
|
173 |
|
|
174 #endif |
|
|
175 |
|
|
176 /* |
|
|
177 ;;; Local Variables: *** |
|
|
178 ;;; mode: C++ *** |
|
|
179 ;;; End: *** |
|
|
180 */ |
