Mercurial > octave-nkf
annotate src/oct-strstrm.h @ 11273:bd2643f0ce57 ss-3-3-54
snapshot 3.3.54
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 19 Nov 2010 16:05:58 -0500 |
| parents | f3b65e1ae355 |
| children | fd0a3ac60b0e |
| rev | line source |
|---|---|
| 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_strstream_h) | |
| 25 #define octave_octave_strstream_h 1 | |
| 26 | |
| 2445 | 27 #include <string> |
| 5765 | 28 #include <sstream> |
| 4051 | 29 |
| 2081 | 30 #include "oct-stream.h" |
| 31 | |
| 32 class | |
| 33 octave_base_strstream : public octave_base_stream | |
| 34 { | |
| 35 public: | |
| 36 | |
| 4587 | 37 octave_base_strstream (std::ios::openmode m = std::ios::out, |
| 10313 | 38 oct_mach_info::float_format ff |
| 39 = oct_mach_info::native_float_format ()) | |
| 4587 | 40 : octave_base_stream (m, ff) { } |
| 2081 | 41 |
| 42 // Position a stream at OFFSET relative to ORIGIN. | |
| 43 | |
| 4933 | 44 int seek (long, int); |
| 2081 | 45 |
| 46 // Return current stream position. | |
| 47 | |
|
9795
3ccd3a03944c
Fix fourth argument from sscanf
David Grundberg <davidg@cs.umu.se>
parents:
7017
diff
changeset
|
48 virtual long tell (void); |
| 2081 | 49 |
| 50 // The name of the file. | |
| 51 | |
| 3523 | 52 std::string name (void) const { return std::string (); } |
| 2081 | 53 |
| 3523 | 54 virtual std::streambuf *rdbuf (void) = 0; |
| 2081 | 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, | |
| 10313 | 79 std::ios::openmode arg_md = std::ios::out, |
| 80 oct_mach_info::float_format ff | |
| 81 = oct_mach_info::native_float_format ()) | |
| 4587 | 82 : octave_base_strstream (arg_md, ff), is (data) { } |
| 2081 | 83 |
| 3523 | 84 octave_istrstream (const std::string& data, |
| 10313 | 85 std::ios::openmode arg_md = std::ios::out, |
| 86 oct_mach_info::float_format ff | |
| 87 = oct_mach_info::native_float_format ()) | |
| 4587 | 88 : octave_base_strstream (arg_md, ff), is (data.c_str ()) { } |
| 2081 | 89 |
| 3340 | 90 static octave_stream |
| 3538 | 91 create (const char *data, std::ios::openmode arg_md = std::ios::out, |
| 10313 | 92 oct_mach_info::float_format ff |
| 93 = oct_mach_info::native_float_format ()); | |
| 3340 | 94 |
| 95 static octave_stream | |
| 3538 | 96 create (const std::string& data, std::ios::openmode arg_md = std::ios::out, |
| 10313 | 97 oct_mach_info::float_format ff |
| 98 = oct_mach_info::native_float_format ()); | |
| 2081 | 99 |
| 100 // Return non-zero if EOF has been reached on this stream. | |
| 101 | |
| 102 bool eof (void) const { return is.eof (); } | |
| 103 | |
| 3523 | 104 std::istream *input_stream (void) { return &is; } |
| 2081 | 105 |
| 3523 | 106 std::ostream *output_stream (void) { return 0; } |
| 2081 | 107 |
|
9795
3ccd3a03944c
Fix fourth argument from sscanf
David Grundberg <davidg@cs.umu.se>
parents:
7017
diff
changeset
|
108 long tell (void) { return is.tellg (); } |
|
3ccd3a03944c
Fix fourth argument from sscanf
David Grundberg <davidg@cs.umu.se>
parents:
7017
diff
changeset
|
109 |
| 3523 | 110 std::streambuf *rdbuf (void) { return is ? is.rdbuf () : 0; } |
| 2081 | 111 |
| 112 bool bad (void) const { return is.bad (); } | |
| 113 | |
| 114 void clear (void) { is.clear (); } | |
| 115 | |
| 3340 | 116 protected: |
| 117 | |
| 118 ~octave_istrstream (void) { } | |
| 119 | |
| 2081 | 120 private: |
| 121 | |
| 5765 | 122 std::istringstream is; |
| 2081 | 123 |
| 124 // No copying! | |
| 125 | |
| 126 octave_istrstream (const octave_istrstream&); | |
| 127 | |
| 128 octave_istrstream& operator = (const octave_istrstream&); | |
| 129 }; | |
| 130 | |
| 131 class | |
| 132 octave_ostrstream : public octave_base_strstream | |
| 133 { | |
| 134 public: | |
| 135 | |
| 3538 | 136 octave_ostrstream (std::ios::openmode arg_md = std::ios::out, |
| 10313 | 137 oct_mach_info::float_format ff |
| 138 = oct_mach_info::native_float_format ()) | |
| 4587 | 139 : octave_base_strstream (arg_md, ff) { } |
| 2081 | 140 |
| 3340 | 141 static octave_stream |
| 3538 | 142 create (std::ios::openmode arg_md = std::ios::out, |
| 10313 | 143 oct_mach_info::float_format ff |
| 144 = oct_mach_info::native_float_format ()); | |
| 2081 | 145 |
| 146 // Return non-zero if EOF has been reached on this stream. | |
| 147 | |
| 148 bool eof (void) const { return os.eof (); } | |
| 149 | |
| 3523 | 150 std::istream *input_stream (void) { return 0; } |
| 2081 | 151 |
| 3523 | 152 std::ostream *output_stream (void) { return &os; } |
| 2081 | 153 |
| 5765 | 154 std::string str (void) { return os.str (); } |
| 2081 | 155 |
| 3523 | 156 std::streambuf *rdbuf (void) { return os ? os.rdbuf () : 0; } |
| 2081 | 157 |
| 158 bool bad (void) const { return os.bad (); } | |
| 159 | |
| 160 void clear (void) { os.clear (); } | |
| 161 | |
| 3340 | 162 protected: |
| 163 | |
| 164 ~octave_ostrstream (void) { } | |
| 165 | |
| 2081 | 166 private: |
| 167 | |
| 5765 | 168 std::ostringstream os; |
| 2081 | 169 |
| 170 // No copying! | |
| 171 | |
| 172 octave_ostrstream (const octave_ostrstream&); | |
| 173 | |
| 174 octave_ostrstream& operator = (const octave_ostrstream&); | |
| 175 }; | |
| 176 | |
| 177 #endif |