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1797
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1 /* |
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2 |
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3 Copyright (C) 1996 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 the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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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, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_cmd_hist_h) |
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24 #define octave_cmd_hist_h 1 |
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25 |
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26 #include <string> |
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27 |
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28 #include "str-vec.h" |
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29 |
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30 class |
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31 command_history |
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32 { |
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33 public: |
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34 |
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35 command_history (const string& = string (), int = -1); |
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36 |
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37 ~command_history (void) { initialized = false; } |
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38 |
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39 void set_file (const string&); |
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40 |
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41 string file (void); |
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42 |
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43 void set_size (int); |
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44 |
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45 int size (void); |
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46 |
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47 void ignore_entries (bool = true); |
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48 |
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49 bool ignoring_entries (void); |
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50 |
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51 void add (const string&); |
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52 |
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53 void remove (int); |
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54 |
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55 int where (void); |
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56 |
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57 int base (void); |
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58 |
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59 int current_number (void); |
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60 |
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61 void stifle (int); |
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62 |
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63 int unstifle (void); |
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64 |
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65 int is_stifled (void); |
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66 |
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67 void read (const string& = string ()); |
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68 |
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69 void read_range (const string& = string (), int = -1, int = -1); |
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70 |
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71 void write (const string& = string ()); |
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72 |
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73 void append (const string& = string ()); |
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74 |
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75 void truncate_file (const string& = string (), int = -1); |
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76 |
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77 string_vector list (int = -1, int = 0); |
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78 |
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79 string get_entry (int); |
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80 |
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81 void replace_entry (int, const string&); |
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82 |
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83 void clean_up_and_save (const string& = string (), int = -1); |
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84 |
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85 private: |
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86 |
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87 // We can only have one history object in any given program. |
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88 static bool initialized; |
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89 |
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90 // TRUE means we are ignoring new additions. |
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91 bool ignoring_additions; |
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92 |
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93 // The number of hisory lines we read from the history file. |
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94 int lines_in_file; |
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95 |
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96 // The number of history lines we've saved so far. |
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97 int lines_this_session; |
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98 |
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99 // The default history file. |
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100 string xfile; |
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101 |
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102 // The number of lines of history to save. |
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103 int xsize; |
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104 |
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105 void error (int); |
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106 |
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107 void error (const string&); |
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108 |
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109 command_history (const command_history&); |
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110 |
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111 command_history& operator = (const command_history&); |
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112 }; |
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113 |
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114 #endif |
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115 |
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116 /* |
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117 ;;; Local Variables: *** |
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118 ;;; mode: C++ *** |
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119 ;;; End: *** |
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120 */ |
