Mercurial > octave
annotate liboctave/util/cmd-hist.h @ 27923:bd51beb6205e
update formatting of copyright notices
* Use <https://octave.org/copyright/> instead of
<https://octave.org/COPYRIGHT.html/>.
* For consistency with other comments in the Octave sources, use
C++-style comments for copyright blocks in C and C++ files.
* Use delimiters above and below copyright blocks that are appropriate
for the language used in the file.
* Eliminate extra spacing inside copyright blocks.
* lex.ll (looks_like_copyright): Also allow newlines and carriage
returns before the word "Copyright".
* scripts/mk-doc.pl (gethelp): Also skip empty comment lines.
* bp-table.cc, type.m: Adjust tests.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 08 Jan 2020 11:59:41 -0500 |
parents | 1891570abac8 |
children | 0a5b15007766 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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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 |
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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 //////////////////////////////////////////////////////////////////////// |
1797 | 25 |
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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; |
2926 | 58 |
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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); |
1797 | 116 |
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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 |