|
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 |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
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 |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #if !defined (octave_octave_strstream_h) |
|
|
24 #define octave_octave_strstream_h 1 |
|
|
25 |
|
2445
|
26 #include <string> |
|
|
27 |
|
2081
|
28 #include <strstream.h> |
|
|
29 |
|
|
30 #include "oct-stream.h" |
|
|
31 |
|
|
32 class |
|
|
33 octave_base_strstream : public octave_base_stream |
|
|
34 { |
|
|
35 public: |
|
|
36 |
|
|
37 octave_base_strstream (ios::openmode arg_md = ios::out, |
|
2317
|
38 oct_mach_info::float_format flt_fmt = |
|
|
39 oct_mach_info::native) |
|
|
40 : octave_base_stream (arg_md, flt_fmt) { } |
|
2081
|
41 |
|
|
42 // Position a stream at OFFSET relative to ORIGIN. |
|
|
43 |
|
2610
|
44 int seek (streamoff offset, ios::seek_dir origin); |
|
2081
|
45 |
|
|
46 // Return current stream position. |
|
|
47 |
|
|
48 long tell (void) const; |
|
|
49 |
|
|
50 // The name of the file. |
|
|
51 |
|
3340
|
52 string name (void) const { return string (); } |
|
2081
|
53 |
|
|
54 virtual streambuf *rdbuf (void) = 0; |
|
|
55 |
|
|
56 virtual bool bad (void) const = 0; |
|
|
57 |
|
|
58 virtual void clear (void) = 0; |
|
|
59 |
|
3340
|
60 protected: |
|
|
61 |
|
|
62 ~octave_base_strstream (void) { } |
|
|
63 |
|
2081
|
64 private: |
|
|
65 |
|
|
66 // No copying! |
|
|
67 |
|
|
68 octave_base_strstream (const octave_base_strstream&); |
|
|
69 |
|
|
70 octave_base_strstream& operator = (const octave_base_strstream&); |
|
|
71 }; |
|
|
72 |
|
|
73 class |
|
|
74 octave_istrstream : public octave_base_strstream |
|
|
75 { |
|
|
76 public: |
|
|
77 |
|
|
78 octave_istrstream (const char *data, |
|
|
79 ios::openmode arg_md = ios::out, |
|
2317
|
80 oct_mach_info::float_format flt_fmt = |
|
|
81 oct_mach_info::native) |
|
|
82 : octave_base_strstream (arg_md, flt_fmt), is (data) { } |
|
2081
|
83 |
|
|
84 octave_istrstream (const string& data, |
|
|
85 ios::openmode arg_md = ios::out, |
|
2317
|
86 oct_mach_info::float_format flt_fmt = |
|
|
87 oct_mach_info::native) |
|
|
88 : octave_base_strstream (arg_md, flt_fmt), is (data.c_str ()) { } |
|
2081
|
89 |
|
3340
|
90 static octave_stream |
|
|
91 create (const char *data, ios::openmode arg_md = ios::out, |
|
|
92 oct_mach_info::float_format flt_fmt = oct_mach_info::native); |
|
|
93 |
|
|
94 static octave_stream |
|
|
95 create (const string& data, ios::openmode arg_md = ios::out, |
|
|
96 oct_mach_info::float_format flt_fmt = oct_mach_info::native); |
|
2081
|
97 |
|
|
98 // Return non-zero if EOF has been reached on this stream. |
|
|
99 |
|
|
100 bool eof (void) const { return is.eof (); } |
|
|
101 |
|
|
102 istream *input_stream (void) { return &is; } |
|
|
103 |
|
|
104 ostream *output_stream (void) { return 0; } |
|
|
105 |
|
|
106 streambuf *rdbuf (void) { return is ? is.rdbuf () : 0; } |
|
|
107 |
|
|
108 bool bad (void) const { return is.bad (); } |
|
|
109 |
|
|
110 void clear (void) { is.clear (); } |
|
|
111 |
|
3340
|
112 protected: |
|
|
113 |
|
|
114 ~octave_istrstream (void) { } |
|
|
115 |
|
2081
|
116 private: |
|
|
117 |
|
|
118 istrstream is; |
|
|
119 |
|
|
120 // No copying! |
|
|
121 |
|
|
122 octave_istrstream (const octave_istrstream&); |
|
|
123 |
|
|
124 octave_istrstream& operator = (const octave_istrstream&); |
|
|
125 }; |
|
|
126 |
|
|
127 class |
|
|
128 octave_ostrstream : public octave_base_strstream |
|
|
129 { |
|
|
130 public: |
|
|
131 |
|
|
132 octave_ostrstream (ios::openmode arg_md = ios::out, |
|
2317
|
133 oct_mach_info::float_format flt_fmt = |
|
|
134 oct_mach_info::native) |
|
|
135 : octave_base_strstream (arg_md, flt_fmt) { } |
|
2081
|
136 |
|
3340
|
137 static octave_stream |
|
|
138 create (ios::openmode arg_md = ios::out, |
|
|
139 oct_mach_info::float_format flt_fmt = oct_mach_info::native); |
|
2081
|
140 |
|
|
141 // Return non-zero if EOF has been reached on this stream. |
|
|
142 |
|
|
143 bool eof (void) const { return os.eof (); } |
|
|
144 |
|
|
145 istream *input_stream (void) { return 0; } |
|
|
146 |
|
|
147 ostream *output_stream (void) { return &os; } |
|
|
148 |
|
3340
|
149 string str (void) |
|
2081
|
150 { |
|
|
151 os << ends; |
|
3340
|
152 char *tmp = os.str (); |
|
|
153 string retval = tmp; |
|
|
154 delete [] tmp; |
|
|
155 return retval; |
|
2081
|
156 } |
|
|
157 |
|
|
158 streambuf *rdbuf (void) { return os ? os.rdbuf () : 0; } |
|
|
159 |
|
|
160 bool bad (void) const { return os.bad (); } |
|
|
161 |
|
|
162 void clear (void) { os.clear (); } |
|
|
163 |
|
3340
|
164 protected: |
|
|
165 |
|
|
166 ~octave_ostrstream (void) { } |
|
|
167 |
|
2081
|
168 private: |
|
|
169 |
|
|
170 ostrstream os; |
|
|
171 |
|
|
172 // No copying! |
|
|
173 |
|
|
174 octave_ostrstream (const octave_ostrstream&); |
|
|
175 |
|
|
176 octave_ostrstream& operator = (const octave_ostrstream&); |
|
|
177 }; |
|
|
178 |
|
|
179 #endif |
|
|
180 |
|
|
181 /* |
|
|
182 ;;; Local Variables: *** |
|
|
183 ;;; mode: C++ *** |
|
|
184 ;;; End: *** |
|
|
185 */ |
