annotate libinterp/corefcn/procstream.h @ 25054:6652d3823428 stable

maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Fri, 30 Mar 2018 09:19:05 -0400
parents 194eb4bd202b
children cb1606f78f6b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 1993-2018 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <https://www.gnu.org/licenses/>.
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21 */
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22
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23 #if ! defined (octave_procstream_h)
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24 #define octave_procstream_h 1
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25
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26 #include "octave-config.h"
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27
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28 #include <istream>
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29 #include <ostream>
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30 #include <string>
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32 #include <sys/types.h>
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34 #include "oct-procbuf.h"
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36 class
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37 OCTINTERP_API
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38 procstreambase : virtual public std::ios
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39 {
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40 public:
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41
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42 procstreambase (void) : pb () { pb_init (); }
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44 procstreambase (const std::string& name, int mode);
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45
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46 procstreambase (const char *name, int mode);
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47
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48 ~procstreambase (void) { close (); }
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49
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50 void open (const std::string& name, int mode)
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51 { open (name.c_str (), mode); }
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52
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53 void open (const char *name, int mode);
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54
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55 int is_open (void) const { return pb.is_open (); }
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56
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57 int close (void);
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59 pid_t pid (void) const { return pb.pid (); }
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61 int file_number (void) const { return pb.file_number (); }
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63 private:
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64
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65 octave_procbuf pb;
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67 void pb_init (void) { init (&pb); }
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69 procstreambase (const procstreambase&);
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71 procstreambase& operator = (const procstreambase&);
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72 };
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74 class
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75 OCTINTERP_API
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76 iprocstream : public std::istream, public procstreambase
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77 // iprocstream : public procstreambase, public std::istream
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78 {
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79 public:
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81 iprocstream (void) : std::istream (nullptr), procstreambase () { }
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83 iprocstream (const std::string& name, int mode = std::ios::in)
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84 : std::istream (nullptr), procstreambase (name, mode) { }
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86 iprocstream (const char *name, int mode = std::ios::in)
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87 : std::istream (nullptr), procstreambase (name, mode) { }
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89 ~iprocstream (void) = default;
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91 void open (const std::string& name, int mode = std::ios::in)
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92 { procstreambase::open (name, mode); }
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93
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94 void open (const char *name, int mode = std::ios::in)
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95 { procstreambase::open (name, mode); }
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97 private:
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98
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99 iprocstream (const iprocstream&);
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100
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101 iprocstream& operator = (const iprocstream&);
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102 };
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104 class
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105 OCTINTERP_API
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106 oprocstream : public std::ostream, public procstreambase
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107 // oprocstream : public procstreambase, public std::ostream
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108 {
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109 public:
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110
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111 oprocstream (void) : std::ostream (nullptr), procstreambase () { }
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112
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113 oprocstream (const std::string& name, int mode = std::ios::out)
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114 : std::ostream (nullptr), procstreambase (name, mode) { }
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116 oprocstream (const char *name, int mode = std::ios::out)
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117 : std::ostream (nullptr), procstreambase (name, mode) { }
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119 ~oprocstream (void) = default;
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121 void open (const std::string& name, int mode = std::ios::out)
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122 { procstreambase::open (name, mode); }
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123
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124 void open (const char *name, int mode = std::ios::out)
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125 { procstreambase::open (name, mode); }
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127 private:
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129 oprocstream (const oprocstream&);
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131 oprocstream& operator = (const oprocstream&);
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132 };
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134 class
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135 OCTINTERP_API
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136 procstream : public std::iostream, public procstreambase
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137 // procstream : public procstreambase, public std::iostream
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138 {
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139 public:
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140
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141 procstream (void) : std::iostream (nullptr), procstreambase () { }
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142
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143 procstream (const std::string& name, int mode)
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144 : std::iostream (nullptr), procstreambase (name, mode) { }
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146 procstream (const char *name, int mode)
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148
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149 ~procstream (void) = default;
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150
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151 void open (const std::string& name, int mode)
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152 { procstreambase::open (name, mode); }
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153
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154 void open (const char *name, int mode)
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155 { procstreambase::open (name, mode); }
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156
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157 private:
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158
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159 procstream (const procstream&);
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160
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161 procstream& operator = (const procstream&);
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162 };
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163
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164 #endif