Mercurial > hg > octave-lyh
annotate libinterp/corefcn/oct-strstrm.h @ 17535:c12c688a35ed default tip lyh
Fix warnings
| author | LYH <lyh.kernel@gmail.com> |
|---|---|
| date | Fri, 27 Sep 2013 17:43:27 +0800 |
| parents | 68fc671a9339 |
| children |
| rev | line source |
|---|---|
| 2081 | 1 /* |
| 2 | |
|
14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
11584
diff
changeset
|
3 Copyright (C) 1996-2012 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, |
| 10313 | 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 | |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
43 int seek (off_t, int); |
| 2081 | 44 |
| 45 // Return current stream position. | |
| 46 | |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
47 virtual off_t 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, | |
| 10313 | 78 std::ios::openmode arg_md = std::ios::out, |
| 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, |
| 10313 | 84 std::ios::openmode arg_md = std::ios::out, |
| 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, |
| 10313 | 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, |
| 10313 | 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 |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
107 off_t tell (void) { return is.tellg (); } |
|
9795
3ccd3a03944c
Fix fourth argument from sscanf
David Grundberg <davidg@cs.umu.se>
parents:
7017
diff
changeset
|
108 |
| 3523 | 109 std::streambuf *rdbuf (void) { return is ? is.rdbuf () : 0; } |
| 2081 | 110 |
| 111 bool bad (void) const { return is.bad (); } | |
| 112 | |
| 113 void clear (void) { is.clear (); } | |
| 114 | |
| 3340 | 115 protected: |
| 116 | |
| 117 ~octave_istrstream (void) { } | |
| 118 | |
| 2081 | 119 private: |
| 120 | |
| 5765 | 121 std::istringstream is; |
| 2081 | 122 |
| 123 // No copying! | |
| 124 | |
| 125 octave_istrstream (const octave_istrstream&); | |
| 126 | |
| 127 octave_istrstream& operator = (const octave_istrstream&); | |
| 128 }; | |
| 129 | |
| 130 class | |
| 131 octave_ostrstream : public octave_base_strstream | |
| 132 { | |
| 133 public: | |
| 134 | |
| 3538 | 135 octave_ostrstream (std::ios::openmode arg_md = std::ios::out, |
| 10313 | 136 oct_mach_info::float_format ff |
| 137 = oct_mach_info::native_float_format ()) | |
|
11584
cda4aa780d58
Another round of initialising members in the constructor initialisation list
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11523
diff
changeset
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138 : octave_base_strstream (arg_md, ff), os () { } |
| 2081 | 139 |
| 3340 | 140 static octave_stream |
| 3538 | 141 create (std::ios::openmode arg_md = std::ios::out, |
| 10313 | 142 oct_mach_info::float_format ff |
| 143 = oct_mach_info::native_float_format ()); | |
| 2081 | 144 |
| 145 // Return non-zero if EOF has been reached on this stream. | |
| 146 | |
| 147 bool eof (void) const { return os.eof (); } | |
| 148 | |
| 3523 | 149 std::istream *input_stream (void) { return 0; } |
| 2081 | 150 |
| 3523 | 151 std::ostream *output_stream (void) { return &os; } |
| 2081 | 152 |
| 5765 | 153 std::string str (void) { return os.str (); } |
| 2081 | 154 |
| 3523 | 155 std::streambuf *rdbuf (void) { return os ? os.rdbuf () : 0; } |
| 2081 | 156 |
| 157 bool bad (void) const { return os.bad (); } | |
| 158 | |
| 159 void clear (void) { os.clear (); } | |
| 160 | |
| 3340 | 161 protected: |
| 162 | |
| 163 ~octave_ostrstream (void) { } | |
| 164 | |
| 2081 | 165 private: |
| 166 | |
| 5765 | 167 std::ostringstream os; |
| 2081 | 168 |
| 169 // No copying! | |
| 170 | |
| 171 octave_ostrstream (const octave_ostrstream&); | |
| 172 | |
| 173 octave_ostrstream& operator = (const octave_ostrstream&); | |
| 174 }; | |
| 175 | |
| 176 #endif |