Mercurial > hg > octave-lyh
annotate liboctave/cmd-hist.h @ 11486:a1deab9a6e71
bash-like history control
author | Pascal Dupuis <Pascal.Dupuis@worldonline.be> and John W. Eaton <jwe@octave.org> |
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date | Wed, 12 Jan 2011 03:40:19 -0500 |
parents | 944b7e20fc5a |
children | 7aeb4eb7403f |
rev | line source |
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1797 | 1 /* |
2 | |
7017 | 3 Copyright (C) 1996, 1997, 2000, 2004, 2005, 2006, 2007 John W. Eaton |
1797 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
1797 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
1797 | 20 |
21 */ | |
22 | |
23 #if !defined (octave_cmd_hist_h) | |
24 #define octave_cmd_hist_h 1 | |
25 | |
26 #include <string> | |
27 | |
28 #include "str-vec.h" | |
29 | |
30 class | |
6108 | 31 OCTAVE_API |
1797 | 32 command_history |
33 { | |
2926 | 34 protected: |
35 | |
36 command_history (void) | |
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parents:
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37 : initialized (false), ignoring_additions (false), history_control (0), |
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bash-like history control
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parents:
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38 lines_in_file (0), lines_this_session (0), xfile (), xsize (-1) { } |
2926 | 39 |
1797 | 40 public: |
41 | |
2926 | 42 virtual ~command_history (void) { } |
43 | |
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44 static void initialize (bool, const std::string&, int, const std::string&); |
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45 |
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46 static bool is_initialized (void); |
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47 |
3504 | 48 static void set_file (const std::string&); |
1797 | 49 |
3504 | 50 static std::string file (void); |
1797 | 51 |
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52 static void process_histcontrol (const std::string&); |
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53 |
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54 static std::string histcontrol (void); |
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55 |
2926 | 56 static void set_size (int); |
1797 | 57 |
2926 | 58 static int size (void); |
59 | |
60 static void ignore_entries (bool = true); | |
1797 | 61 |
2926 | 62 static bool ignoring_entries (void); |
1797 | 63 |
3504 | 64 static void add (const std::string&); |
1797 | 65 |
2926 | 66 static void remove (int); |
67 | |
68 static int where (void); | |
1797 | 69 |
2926 | 70 static int length (void); |
1797 | 71 |
2926 | 72 static int max_input_history (void); |
1797 | 73 |
2926 | 74 static int base (void); |
1797 | 75 |
2926 | 76 static int current_number (void); |
1797 | 77 |
2926 | 78 static void stifle (int); |
1797 | 79 |
2926 | 80 static int unstifle (void); |
1797 | 81 |
2926 | 82 static int is_stifled (void); |
1797 | 83 |
2926 | 84 static void set_mark (int n); |
1797 | 85 |
2926 | 86 // Gag. This declaration has to match the Function typedef in |
87 // readline.h. | |
1797 | 88 |
4802 | 89 static int goto_mark (void); |
2926 | 90 |
91 static void read (bool = true); | |
2658 | 92 |
3504 | 93 static void read (const std::string&, bool = true); |
1797 | 94 |
2926 | 95 static void read_range (int = -1, int = -1, bool = true); |
2658 | 96 |
3504 | 97 static void read_range (const std::string&, int = -1, int = -1, |
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98 bool = true); |
1797 | 99 |
3504 | 100 static void write (const std::string& = std::string ()); |
1797 | 101 |
3504 | 102 static void append (const std::string& = std::string ()); |
1797 | 103 |
3504 | 104 static void truncate_file (const std::string& = std::string (), int = -1); |
1797 | 105 |
2926 | 106 static string_vector list (int = -1, bool = false); |
1797 | 107 |
3504 | 108 static std::string get_entry (int); |
1797 | 109 |
3504 | 110 static void replace_entry (int, const std::string&); |
1797 | 111 |
3504 | 112 static void clean_up_and_save (const std::string& = std::string (), int = -1); |
1797 | 113 |
114 private: | |
115 | |
2926 | 116 // No copying! |
117 | |
118 command_history (const command_history&); | |
119 | |
120 command_history& operator = (const command_history&); | |
121 | |
122 static bool instance_ok (void); | |
123 | |
124 static void make_command_history (void); | |
125 | |
126 // The real thing. | |
127 static command_history *instance; | |
128 | |
129 protected: | |
130 | |
131 // To use something other than the GNU history library, derive a new | |
132 // class from command_history, overload these functions as | |
133 // necessary, and make instance point to the new class. | |
134 | |
3504 | 135 virtual void do_set_file (const std::string&); |
2926 | 136 |
3504 | 137 virtual std::string do_file (void); |
2926 | 138 |
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139 virtual void do_process_histcontrol (const std::string&); |
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140 |
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141 virtual std::string do_histcontrol (void) const; |
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142 |
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143 virtual void do_initialize (bool, const std::string&, int, const std::string&); |
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144 |
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145 virtual bool do_is_initialized (void) const; |
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146 |
2926 | 147 virtual void do_set_size (int); |
148 | |
149 virtual int do_size (void); | |
150 | |
151 virtual void do_ignore_entries (bool); | |
152 | |
153 virtual bool do_ignoring_entries (void); | |
154 | |
3504 | 155 virtual void do_add (const std::string&); |
2926 | 156 |
157 virtual void do_remove (int); | |
158 | |
159 virtual int do_where (void); | |
160 | |
161 virtual int do_length (void); | |
162 | |
163 virtual int do_max_input_history (void); | |
164 | |
165 virtual int do_base (void); | |
166 | |
167 virtual int do_current_number (void); | |
168 | |
169 virtual void do_stifle (int); | |
170 | |
171 virtual int do_unstifle (void); | |
172 | |
173 virtual int do_is_stifled (void); | |
174 | |
175 virtual void do_set_mark (int); | |
176 | |
4802 | 177 virtual int do_goto_mark (void); |
2926 | 178 |
3504 | 179 virtual void do_read (const std::string&, bool); |
2926 | 180 |
3504 | 181 virtual void do_read_range (const std::string&, int, int, bool); |
2926 | 182 |
3504 | 183 virtual void do_write (const std::string&); |
2926 | 184 |
3504 | 185 virtual void do_append (const std::string&); |
2926 | 186 |
3504 | 187 virtual void do_truncate_file (const std::string&, int); |
2926 | 188 |
189 virtual string_vector do_list (int, bool); | |
190 | |
3504 | 191 virtual std::string do_get_entry (int); |
2926 | 192 |
3504 | 193 virtual void do_replace_entry (int, const std::string&); |
2926 | 194 |
3504 | 195 virtual void do_clean_up_and_save (const std::string&, int); |
2926 | 196 |
197 void error (int); | |
198 | |
3504 | 199 void error (const std::string&); |
1797 | 200 |
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parents:
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201 // TRUE means we have initialized the history file name and number of |
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202 // lines to save. |
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203 bool initialized; |
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204 |
1797 | 205 // TRUE means we are ignoring new additions. |
206 bool ignoring_additions; | |
207 | |
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parents:
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208 // Bitmask for history control options. See oct-rl-hist.h. |
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209 int history_control; |
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210 |
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211 // The number of history lines we read from the history file. |
1797 | 212 int lines_in_file; |
213 | |
214 // The number of history lines we've saved so far. | |
215 int lines_this_session; | |
216 | |
217 // The default history file. | |
3504 | 218 std::string xfile; |
1797 | 219 |
220 // The number of lines of history to save. | |
221 int xsize; | |
222 }; | |
223 | |
224 #endif |