Mercurial > octave
annotate libinterp/corefcn/oct-iostrm.h @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 06 Jan 2020 22:29:51 -0500 |
| parents | b442ec6dda5c |
| children | bd51beb6205e |
| rev | line source |
|---|---|
| 2081 | 1 /* |
| 2 | |
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update Octave Project Developers copyright for the new year
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3 Copyright (C) 1996-2020 The Octave Project Developers |
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4 |
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5 See the file COPYRIGHT.md in the top-level directory of this distribution |
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6 or <https://octave.org/COPYRIGHT.html/>. |
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7 |
| 2081 | 8 |
| 9 This file is part of Octave. | |
| 10 | |
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11 Octave is free software: you can redistribute it and/or modify it |
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12 under the terms of the GNU General Public License as published by |
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13 the Free Software Foundation, either version 3 of the License, or |
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14 (at your option) any later version. |
| 2081 | 15 |
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16 Octave is distributed in the hope that it will be useful, but |
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17 WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 GNU General Public License for more details. |
| 2081 | 20 |
| 21 You should have received a copy of the GNU General Public License | |
| 7016 | 22 along with Octave; see the file COPYING. If not, see |
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23 <https://www.gnu.org/licenses/>. |
| 2081 | 24 |
| 25 */ | |
| 26 | |
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27 #if ! defined (octave_oct_iostrm_h) |
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28 #define octave_oct_iostrm_h 1 |
| 2081 | 29 |
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30 #include "octave-config.h" |
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31 |
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32 #include <iosfwd> |
| 2877 | 33 |
| 2081 | 34 #include "oct-stream.h" |
| 35 | |
| 36 class | |
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37 octave_base_iostream : public octave::base_stream |
| 2081 | 38 { |
| 39 public: | |
| 40 | |
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41 octave_base_iostream (const std::string& n = "", |
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42 std::ios::openmode m = std::ios::in | std::ios::out, |
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43 octave::mach_info::float_format ff |
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44 = octave::mach_info::native_float_format ()) |
| 27172 | 45 : octave::base_stream (m, ff), m_name (n) { } |
| 2081 | 46 |
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47 // No copying! |
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48 |
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49 octave_base_iostream (const octave_base_iostream&) = delete; |
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50 |
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51 octave_base_iostream& operator = (const octave_base_iostream&) = delete; |
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52 |
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53 protected: |
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54 |
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55 ~octave_base_iostream (void) = default; |
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56 |
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57 public: |
| 2081 | 58 |
| 59 // Position a stream at OFFSET relative to ORIGIN. | |
| 60 | |
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61 int seek (off_t offset, int origin); |
| 2081 | 62 |
| 63 // Return current stream position. | |
| 64 | |
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65 off_t tell (void); |
| 2081 | 66 |
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67 // Return nonzero if EOF has been reached on this stream. |
| 2081 | 68 |
| 69 bool eof (void) const; | |
| 70 | |
| 71 // The name of the file. | |
| 72 | |
| 27172 | 73 std::string name (void) const { return m_name; } |
| 2081 | 74 |
| 75 protected: | |
| 76 | |
| 77 void invalid_operation (void) const; | |
| 78 | |
| 79 private: | |
| 80 | |
| 27172 | 81 std::string m_name; |
| 2081 | 82 |
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83 virtual const char * stream_type (void) const = 0; |
| 2081 | 84 }; |
| 85 | |
| 86 class | |
| 87 octave_istream : public octave_base_iostream | |
| 88 { | |
| 89 public: | |
| 90 | |
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91 octave_istream (std::istream *arg = nullptr, const std::string& n = "") |
| 5015 | 92 : octave_base_iostream (n, std::ios::in, |
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93 octave::mach_info::native_float_format ()), |
| 27172 | 94 m_istream (arg) |
| 5015 | 95 { } |
| 2081 | 96 |
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97 static octave::stream |
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98 create (std::istream *arg = nullptr, const std::string& n = ""); |
| 2081 | 99 |
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100 // Return nonzero if EOF has been reached on this stream. |
| 3342 | 101 |
| 102 bool eof (void) const; | |
| 103 | |
| 27172 | 104 std::istream * input_stream (void) { return m_istream; } |
| 2081 | 105 |
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106 std::ostream * output_stream (void) { return nullptr; } |
| 2081 | 107 |
| 3340 | 108 protected: |
| 109 | |
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110 ~octave_istream (void) = default; |
| 3340 | 111 |
| 2081 | 112 private: |
| 113 | |
| 27172 | 114 std::istream *m_istream; |
| 2081 | 115 |
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116 const char * stream_type (void) const { return "octave_istream"; } |
| 2081 | 117 |
| 118 // No copying! | |
| 119 | |
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120 octave_istream (const octave_istream&) = delete; |
| 2081 | 121 |
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122 octave_istream& operator = (const octave_istream&) = delete; |
| 2081 | 123 }; |
| 124 | |
| 125 class | |
| 126 octave_ostream : public octave_base_iostream | |
| 127 { | |
| 128 public: | |
| 129 | |
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130 octave_ostream (std::ostream *arg, const std::string& n = "") |
| 5015 | 131 : octave_base_iostream (n, std::ios::out, |
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132 octave::mach_info::native_float_format ()), |
| 27172 | 133 m_ostream (arg) |
| 5015 | 134 { } |
| 2081 | 135 |
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136 static octave::stream |
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137 create (std::ostream *arg, const std::string& n = ""); |
| 2081 | 138 |
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139 // Return nonzero if EOF has been reached on this stream. |
| 3342 | 140 |
| 141 bool eof (void) const; | |
| 142 | |
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143 std::istream * input_stream (void) { return nullptr; } |
| 2081 | 144 |
| 27172 | 145 std::ostream * output_stream (void) { return m_ostream; } |
| 2081 | 146 |
| 3340 | 147 protected: |
| 148 | |
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149 ~octave_ostream (void) = default; |
| 3340 | 150 |
| 2081 | 151 private: |
| 152 | |
| 27172 | 153 std::ostream *m_ostream; |
| 2081 | 154 |
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155 const char * stream_type (void) const { return "octave_ostream"; } |
| 2081 | 156 |
| 157 // No copying! | |
| 158 | |
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159 octave_ostream (const octave_ostream&) = delete; |
| 2081 | 160 |
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161 octave_ostream& operator = (const octave_ostream&) = delete; |
| 2081 | 162 }; |
| 163 | |
| 164 #endif |