1 /* keymaps.c -- Functions and keymaps for the GNU Readline library. */ 2 3 /* Copyright (C) 1988,1989 Free Software Foundation, Inc. 4 5 This file is part of GNU Readline, a library for reading lines 6 of text with interactive input and history editing. 7 8 Readline is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published by the 10 Free Software Foundation; either version 2, or (at your option) any 11 later version. 12 13 Readline is distributed in the hope that it will be useful, but 14 WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with Readline; see the file COPYING. If not, write to the Free 20 Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ 21 #define READLINE_LIBRARY 22 23 #if defined (HAVE_CONFIG_H) 24 # include <config.h> 25 #endif 26 27 #if defined (HAVE_STDLIB_H) 28 # include <stdlib.h> 29 #else 30 # include "ansi_stdlib.h" 31 #endif /* HAVE_STDLIB_H */ 32 33 #include <stdio.h> /* for FILE * definition for readline.h */ 34 35 #include "readline.h" 36 #include "rlconf.h" 37 38 #include "emacs_keymap.c" 39 40 #if defined (VI_MODE) 41 #include "vi_keymap.c" 42 #endif 43 44 #include "xmalloc.h" 45 46 /* **************************************************************** */ 47 /* */ 48 /* Functions for manipulating Keymaps. */ 49 /* */ 50 /* **************************************************************** */ 51 52 53 /* Return a new, empty keymap. 54 Free it with free() when you are done. */ 55 Keymap 56 rl_make_bare_keymap () 57 { 58 register int i; 59 Keymap keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY)); 60 61 for (i = 0; i < KEYMAP_SIZE; i++) 62 { 63 keymap[i].type = ISFUNC; 64 keymap[i].function = (rl_command_func_t *)NULL; 65 } 66 67 for (i = 'A'; i < ('Z' + 1); i++) 68 { 69 keymap[i].type = ISFUNC; 70 keymap[i].function = rl_do_lowercase_version; 71 } 72 73 return (keymap); 74 } 75 76 /* Return a new keymap which is a copy of MAP. */ 77 Keymap 78 rl_copy_keymap (map) 79 Keymap map; 80 { 81 register int i; 82 Keymap temp = rl_make_bare_keymap (); 83 84 for (i = 0; i < KEYMAP_SIZE; i++) 85 { 86 temp[i].type = map[i].type; 87 temp[i].function = map[i].function; 88 } 89 return (temp); 90 } 91 92 /* Return a new keymap with the printing characters bound to rl_insert, 93 the uppercase Meta characters bound to run their lowercase equivalents, 94 and the Meta digits bound to produce numeric arguments. */ 95 Keymap 96 rl_make_keymap () 97 { 98 register int i; 99 Keymap newmap; 100 101 newmap = rl_make_bare_keymap (); 102 103 /* All ASCII printing characters are self-inserting. */ 104 for (i = ' '; i < 127; i++) 105 newmap[i].function = rl_insert; 106 107 newmap[TAB].function = rl_insert; 108 newmap[RUBOUT].function = rl_rubout; /* RUBOUT == 127 */ 109 newmap[CTRL('H')].function = rl_rubout; 110 111 #if KEYMAP_SIZE > 128 112 /* Printing characters in some 8-bit character sets. */ 113 for (i = 128; i < 160; i++) 114 newmap[i].function = rl_insert; 115 116 /* ISO Latin-1 printing characters should self-insert. */ 117 for (i = 160; i < 256; i++) 118 newmap[i].function = rl_insert; 119 #endif /* KEYMAP_SIZE > 128 */ 120 121 return (newmap); 122 } 123 124 /* Free the storage associated with MAP. */ 125 void 126 rl_discard_keymap (map) 127 Keymap map; 128 { 129 int i; 130 131 if (!map) 132 return; 133 134 for (i = 0; i < KEYMAP_SIZE; i++) 135 { 136 switch (map[i].type) 137 { 138 case ISFUNC: 139 break; 140 141 case ISKMAP: 142 rl_discard_keymap ((Keymap)map[i].function); 143 break; 144 145 case ISMACR: 146 free ((char *)map[i].function); 147 break; 148 } 149 } 150 } 151