Mercurial > octave
annotate liboctave/util/cmd-hist.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> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
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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 |
1797 | 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. |
1797 | 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. |
1797 | 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/>. |
1797 | 24 |
25 */ | |
26 | |
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27 #if ! defined (octave_cmd_hist_h) |
1797 | 28 #define octave_cmd_hist_h 1 |
29 | |
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30 #include "octave-config.h" |
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31 |
1797 | 32 #include <string> |
33 | |
34 #include "str-vec.h" | |
35 | |
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36 namespace octave |
1797 | 37 { |
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38 class |
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39 OCTAVE_API |
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40 command_history |
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41 { |
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42 protected: |
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44 command_history (void) |
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45 : m_initialized (false), m_ignoring_additions (false), |
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46 m_history_control (0), m_lines_in_file (0), |
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47 m_lines_this_session (0), m_file (), m_size (-1) |
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48 { } |
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50 public: |
1797 | 51 |
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52 // No copying! |
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53 |
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54 command_history (const command_history&) = delete; |
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55 |
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56 command_history& operator = (const command_history&) = delete; |
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57 |
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58 virtual ~command_history (void) = default; |
2926 | 59 |
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60 static void initialize (bool, const std::string&, int, const std::string&); |
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61 |
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62 static bool is_initialized (void); |
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63 |
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64 static void set_file (const std::string&); |
1797 | 65 |
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66 static std::string file (void); |
1797 | 67 |
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68 static void process_histcontrol (const std::string&); |
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69 |
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70 static std::string histcontrol (void); |
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71 |
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72 static void set_size (int); |
1797 | 73 |
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74 static int size (void); |
2926 | 75 |
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76 static void ignore_entries (bool = true); |
1797 | 77 |
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78 static bool ignoring_entries (void); |
1797 | 79 |
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80 static bool add (const std::string&); |
1797 | 81 |
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82 static void remove (int); |
2926 | 83 |
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84 static void clear (void); |
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85 |
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86 static int where (void); |
1797 | 87 |
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88 static int length (void); |
1797 | 89 |
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90 static int max_input_history (void); |
1797 | 91 |
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92 static int base (void); |
1797 | 93 |
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94 static int current_number (void); |
1797 | 95 |
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96 static void stifle (int); |
1797 | 97 |
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98 static int unstifle (void); |
1797 | 99 |
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100 static int is_stifled (void); |
1797 | 101 |
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102 static void set_mark (int n); |
1797 | 103 |
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104 // Gag. This declaration has to match the Function typedef in |
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105 // readline.h. |
1797 | 106 |
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107 static int goto_mark (void); |
2926 | 108 |
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109 static void read (bool = true); |
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111 static void read (const std::string&, bool = true); |
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113 static void read_range (int = -1, int = -1, bool = true); |
2658 | 114 |
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115 static void read_range (const std::string&, int = -1, int = -1, |
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116 bool = true); |
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118 static void write (const std::string& = ""); |
1797 | 119 |
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120 static void append (const std::string& = ""); |
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122 static void truncate_file (const std::string& = "", int = -1); |
1797 | 123 |
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124 static string_vector list (int = -1, bool = false); |
1797 | 125 |
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126 static std::string get_entry (int); |
1797 | 127 |
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128 static void replace_entry (int, const std::string&); |
1797 | 129 |
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130 static void clean_up_and_save (const std::string& = "", int = -1); |
1797 | 131 |
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132 private: |
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134 static bool instance_ok (void); |
2926 | 135 |
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136 static void make_command_history (void); |
2926 | 137 |
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138 // The real thing. |
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139 static command_history *s_instance; |
2926 | 140 |
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141 static void cleanup_instance (void) |
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142 { |
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143 delete s_instance; |
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144 s_instance = nullptr; |
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145 } |
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146 |
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147 protected: |
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149 // To use something other than the GNU history library, derive a new |
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150 // class from command_history, overload these functions as |
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151 // necessary, and make instance point to the new class. |
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152 |
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153 virtual void do_set_file (const std::string&); |
2926 | 154 |
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155 virtual std::string do_file (void); |
2926 | 156 |
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157 virtual void do_process_histcontrol (const std::string&); |
2926 | 158 |
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159 virtual std::string do_histcontrol (void) const { return ""; } |
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160 |
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161 virtual void do_initialize (bool, const std::string&, int, |
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162 const std::string&); |
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163 |
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164 virtual bool do_is_initialized (void) const; |
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165 |
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166 virtual void do_set_size (int); |
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167 |
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168 virtual int do_size (void) const; |
2926 | 169 |
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170 virtual void do_ignore_entries (bool); |
2926 | 171 |
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172 virtual bool do_ignoring_entries (void) const; |
2926 | 173 |
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174 virtual bool do_add (const std::string&); |
2926 | 175 |
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176 virtual void do_remove (int); |
2926 | 177 |
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178 virtual void do_clear (void); |
2926 | 179 |
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180 virtual int do_where (void) const; |
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181 |
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182 virtual int do_length (void) const; |
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184 virtual int do_max_input_history (void) const; |
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186 virtual int do_base (void) const; |
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188 virtual int do_current_number (void) const; |
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190 virtual void do_stifle (int); |
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192 virtual int do_unstifle (void); |
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193 |
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194 virtual int do_is_stifled (void) const; |
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196 virtual void do_set_mark (int); |
2926 | 197 |
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198 virtual int do_goto_mark (void); |
2926 | 199 |
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200 virtual void do_read (const std::string&, bool); |
2926 | 201 |
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202 virtual void do_read_range (const std::string&, int, int, bool); |
2926 | 203 |
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204 virtual void do_write (const std::string&) const; |
2926 | 205 |
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206 virtual void do_append (const std::string&); |
2926 | 207 |
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208 virtual void do_truncate_file (const std::string&, int) const; |
2926 | 209 |
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210 virtual string_vector do_list (int, bool) const; |
2926 | 211 |
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212 virtual std::string do_get_entry (int) const; |
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214 virtual void do_replace_entry (int, const std::string&); |
2926 | 215 |
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216 virtual void do_clean_up_and_save (const std::string&, int); |
2926 | 217 |
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218 void error (int, const std::string& msg = "") const; |
2926 | 219 |
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220 void error (const std::string&) const; |
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222 // TRUE means we have initialized the history filename and number of |
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223 // lines to save. |
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224 bool m_initialized; |
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225 |
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226 // TRUE means we are ignoring new additions. |
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227 bool m_ignoring_additions; |
1797 | 228 |
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229 // Bitmask for history control options. See oct-rl-hist.h. |
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230 int m_history_control; |
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231 |
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232 // The number of history lines we read from the history file. |
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233 int m_lines_in_file; |
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234 |
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235 // The number of history lines we've saved so far. |
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236 int m_lines_this_session; |
1797 | 237 |
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238 // The default history file. |
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239 std::string m_file; |
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241 // The number of lines of history to save. |
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242 int m_size; |
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243 }; |
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244 } |
1797 | 245 |
246 #endif |