Mercurial > octave
annotate liboctave/util/cmd-hist.h @ 30564:796f54d4ddbf stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
In all .txi and .texi files except gpl.txi and gpl.texi in the
doc/liboctave and doc/interpreter directories, change the copyright
to "Octave Project Developers", the same as used for other source
files. Update copyright notices for 2022 (not done since 2019). For
gpl.txi and gpl.texi, change the copyright notice to be "Free Software
Foundation, Inc." and leave the date at 2007 only because this file
only contains the text of the GPL, not anything created by the Octave
Project Developers.
Add Paul Thomas to contributors.in.
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 28 Dec 2021 18:22:40 -0500 |
parents | 0a5b15007766 |
children | e88a07dec498 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2022 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 |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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26 #if ! defined (octave_cmd_hist_h) |
1797 | 27 #define octave_cmd_hist_h 1 |
28 | |
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29 #include "octave-config.h" |
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30 |
1797 | 31 #include <string> |
32 | |
33 #include "str-vec.h" | |
34 | |
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35 namespace octave |
1797 | 36 { |
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37 class |
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38 OCTAVE_API |
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39 command_history |
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40 { |
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41 protected: |
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43 command_history (void) |
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44 : m_initialized (false), m_ignoring_additions (false), |
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45 m_history_control (0), m_lines_in_file (0), |
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46 m_lines_this_session (0), m_file (), m_size (-1) |
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47 { } |
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49 public: |
1797 | 50 |
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51 // No copying! |
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52 |
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53 command_history (const command_history&) = delete; |
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54 |
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55 command_history& operator = (const command_history&) = delete; |
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56 |
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57 virtual ~command_history (void) = default; |
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59 static void initialize (bool, const std::string&, int, const std::string&); |
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60 |
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61 static bool is_initialized (void); |
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62 |
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63 static void set_file (const std::string&); |
1797 | 64 |
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65 static std::string file (void); |
1797 | 66 |
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67 static void process_histcontrol (const std::string&); |
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68 |
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69 static std::string histcontrol (void); |
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70 |
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71 static void set_size (int); |
1797 | 72 |
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73 static int size (void); |
2926 | 74 |
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75 static void ignore_entries (bool = true); |
1797 | 76 |
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77 static bool ignoring_entries (void); |
1797 | 78 |
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79 static bool add (const std::string&); |
1797 | 80 |
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81 static void remove (int); |
2926 | 82 |
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83 static void clear (void); |
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84 |
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85 static int where (void); |
1797 | 86 |
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87 static int length (void); |
1797 | 88 |
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89 static int max_input_history (void); |
1797 | 90 |
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91 static int base (void); |
1797 | 92 |
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93 static int current_number (void); |
1797 | 94 |
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95 static void stifle (int); |
1797 | 96 |
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97 static int unstifle (void); |
1797 | 98 |
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99 static int is_stifled (void); |
1797 | 100 |
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101 static void set_mark (int n); |
1797 | 102 |
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103 // Gag. This declaration has to match the Function typedef in |
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104 // readline.h. |
1797 | 105 |
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106 static int goto_mark (void); |
2926 | 107 |
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108 static void read (bool = true); |
2658 | 109 |
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110 static void read (const std::string&, bool = true); |
1797 | 111 |
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112 static void read_range (int = -1, int = -1, bool = true); |
2658 | 113 |
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114 static void read_range (const std::string&, int = -1, int = -1, |
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115 bool = true); |
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117 static void write (const std::string& = ""); |
1797 | 118 |
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119 static void append (const std::string& = ""); |
1797 | 120 |
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121 static void truncate_file (const std::string& = "", int = -1); |
1797 | 122 |
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123 static string_vector list (int = -1, bool = false); |
1797 | 124 |
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125 static std::string get_entry (int); |
1797 | 126 |
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127 static void replace_entry (int, const std::string&); |
1797 | 128 |
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129 static void clean_up_and_save (const std::string& = "", int = -1); |
1797 | 130 |
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131 private: |
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133 static bool instance_ok (void); |
2926 | 134 |
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135 static void make_command_history (void); |
2926 | 136 |
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137 // The real thing. |
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138 static command_history *s_instance; |
2926 | 139 |
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140 static void cleanup_instance (void) |
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141 { |
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142 delete s_instance; |
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143 s_instance = nullptr; |
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144 } |
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145 |
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146 protected: |
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148 // To use something other than the GNU history library, derive a new |
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149 // class from command_history, overload these functions as |
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150 // necessary, and make instance point to the new class. |
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151 |
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152 virtual void do_set_file (const std::string&); |
2926 | 153 |
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154 virtual std::string do_file (void); |
2926 | 155 |
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156 virtual void do_process_histcontrol (const std::string&); |
2926 | 157 |
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158 virtual std::string do_histcontrol (void) const { return ""; } |
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159 |
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160 virtual void do_initialize (bool, const std::string&, int, |
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161 const std::string&); |
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162 |
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163 virtual bool do_is_initialized (void) const; |
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164 |
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165 virtual void do_set_size (int); |
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166 |
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167 virtual int do_size (void) const; |
2926 | 168 |
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169 virtual void do_ignore_entries (bool); |
2926 | 170 |
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171 virtual bool do_ignoring_entries (void) const; |
2926 | 172 |
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173 virtual bool do_add (const std::string&); |
2926 | 174 |
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175 virtual void do_remove (int); |
2926 | 176 |
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177 virtual void do_clear (void); |
2926 | 178 |
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179 virtual int do_where (void) const; |
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180 |
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181 virtual int do_length (void) const; |
2926 | 182 |
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183 virtual int do_max_input_history (void) const; |
2926 | 184 |
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185 virtual int do_base (void) const; |
2926 | 186 |
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187 virtual int do_current_number (void) const; |
2926 | 188 |
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189 virtual void do_stifle (int); |
2926 | 190 |
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191 virtual int do_unstifle (void); |
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192 |
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193 virtual int do_is_stifled (void) const; |
2926 | 194 |
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195 virtual void do_set_mark (int); |
2926 | 196 |
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197 virtual int do_goto_mark (void); |
2926 | 198 |
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199 virtual void do_read (const std::string&, bool); |
2926 | 200 |
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201 virtual void do_read_range (const std::string&, int, int, bool); |
2926 | 202 |
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203 virtual void do_write (const std::string&) const; |
2926 | 204 |
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205 virtual void do_append (const std::string&); |
2926 | 206 |
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207 virtual void do_truncate_file (const std::string&, int) const; |
2926 | 208 |
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209 virtual string_vector do_list (int, bool) const; |
2926 | 210 |
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211 virtual std::string do_get_entry (int) const; |
2926 | 212 |
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213 virtual void do_replace_entry (int, const std::string&); |
2926 | 214 |
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215 virtual void do_clean_up_and_save (const std::string&, int); |
2926 | 216 |
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217 void error (int, const std::string& msg = "") const; |
2926 | 218 |
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219 void error (const std::string&) const; |
2926 | 220 |
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221 // TRUE means we have initialized the history filename and number of |
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222 // lines to save. |
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223 bool m_initialized; |
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224 |
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225 // TRUE means we are ignoring new additions. |
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226 bool m_ignoring_additions; |
1797 | 227 |
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228 // Bitmask for history control options. See oct-rl-hist.h. |
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229 int m_history_control; |
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230 |
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231 // The number of history lines we read from the history file. |
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232 int m_lines_in_file; |
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234 // The number of history lines we've saved so far. |
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235 int m_lines_this_session; |
1797 | 236 |
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237 // The default history file. |
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238 std::string m_file; |
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240 // The number of lines of history to save. |
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241 int m_size; |
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242 }; |
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243 } |
1797 | 244 |
245 #endif |