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1 /* keymaps.c -- Functions and keymaps for the GNU Readline library. */ |
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2 |
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3 /* Copyright (C) 1988,1989 Free Software Foundation, Inc. |
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4 |
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5 This file is part of GNU Readline, a library for reading lines |
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6 of text with interactive input and history editing. |
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7 |
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8 Readline is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Readline is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Readline; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
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21 #define READLINE_LIBRARY |
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22 |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include <config.h> |
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25 #endif |
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26 |
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27 #if defined (HAVE_STDLIB_H) |
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28 # include <stdlib.h> |
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29 #else |
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30 # include "ansi_stdlib.h" |
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31 #endif /* HAVE_STDLIB_H */ |
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32 |
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33 #include <stdio.h> /* for FILE * definition for readline.h */ |
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34 |
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35 #include "readline.h" |
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36 #include "rlconf.h" |
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37 |
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38 #include "emacs_keymap.c" |
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39 |
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40 #if defined (VI_MODE) |
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41 #include "vi_keymap.c" |
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42 #endif |
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43 |
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44 #include "xmalloc.h" |
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45 |
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46 /* **************************************************************** */ |
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47 /* */ |
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48 /* Functions for manipulating Keymaps. */ |
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49 /* */ |
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50 /* **************************************************************** */ |
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51 |
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52 |
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53 /* Return a new, empty keymap. |
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54 Free it with free() when you are done. */ |
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55 Keymap |
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56 rl_make_bare_keymap () |
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57 { |
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58 register int i; |
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59 Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY)); |
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60 |
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61 for (i = 0; i < KEYMAP_SIZE; i++) |
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62 { |
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63 keymap[i].type = ISFUNC; |
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64 keymap[i].function = (rl_command_func_t *)NULL; |
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65 } |
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66 |
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67 for (i = 'A'; i < ('Z' + 1); i++) |
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68 { |
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69 keymap[i].type = ISFUNC; |
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70 keymap[i].function = rl_do_lowercase_version; |
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71 } |
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72 |
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73 return (keymap); |
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74 } |
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75 |
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76 /* Return a new keymap which is a copy of MAP. */ |
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77 Keymap |
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78 rl_copy_keymap (map) |
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79 Keymap map; |
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80 { |
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81 register int i; |
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82 Keymap temp = rl_make_bare_keymap (); |
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83 |
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84 for (i = 0; i < KEYMAP_SIZE; i++) |
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85 { |
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86 temp[i].type = map[i].type; |
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87 temp[i].function = map[i].function; |
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88 } |
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89 return (temp); |
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90 } |
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91 |
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92 /* Return a new keymap with the printing characters bound to rl_insert, |
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93 the uppercase Meta characters bound to run their lowercase equivalents, |
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94 and the Meta digits bound to produce numeric arguments. */ |
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95 Keymap |
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96 rl_make_keymap () |
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97 { |
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98 register int i; |
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99 Keymap newmap; |
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100 |
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101 newmap = rl_make_bare_keymap (); |
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102 |
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103 /* All ASCII printing characters are self-inserting. */ |
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104 for (i = ' '; i < 127; i++) |
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105 newmap[i].function = rl_insert; |
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106 |
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107 newmap[TAB].function = rl_insert; |
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108 newmap[RUBOUT].function = rl_rubout; /* RUBOUT == 127 */ |
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109 newmap[CTRL('H')].function = rl_rubout; |
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110 |
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111 #if KEYMAP_SIZE > 128 |
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112 /* Printing characters in some 8-bit character sets. */ |
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113 for (i = 128; i < 160; i++) |
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114 newmap[i].function = rl_insert; |
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115 |
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116 /* ISO Latin-1 printing characters should self-insert. */ |
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117 for (i = 160; i < 256; i++) |
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118 newmap[i].function = rl_insert; |
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119 #endif /* KEYMAP_SIZE > 128 */ |
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120 |
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121 return (newmap); |
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122 } |
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123 |
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124 /* Free the storage associated with MAP. */ |
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125 void |
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126 rl_discard_keymap (map) |
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127 Keymap map; |
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128 { |
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129 int i; |
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130 |
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131 if (!map) |
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132 return; |
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133 |
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134 for (i = 0; i < KEYMAP_SIZE; i++) |
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135 { |
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136 switch (map[i].type) |
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137 { |
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138 case ISFUNC: |
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139 break; |
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140 |
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141 case ISKMAP: |
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142 rl_discard_keymap ((Keymap)map[i].function); |
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143 break; |
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144 |
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145 case ISMACR: |
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146 free ((char *)map[i].function); |
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147 break; |
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148 } |
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149 } |
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150 } |
