1 /* keymaps.c -- Functions and keymaps for the GNU Readline library. */
3 /* Copyright (C) 1988,1989-2009,2017 Free Software Foundation, Inc.
5 This file is part of the GNU Readline Library (Readline), a library
6 for reading lines of text with interactive input and history editing.
8 Readline is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 Readline is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with Readline. If not, see <http://www.gnu.org/licenses/>.
22 #define READLINE_LIBRARY
24 #if defined (HAVE_CONFIG_H)
28 #if defined (HAVE_STDLIB_H)
31 # include "ansi_stdlib.h"
32 #endif /* HAVE_STDLIB_H */
34 #include <stdio.h> /* for FILE * definition for readline.h */
39 #include "emacs_keymap.c"
42 #include "vi_keymap.c"
47 /* **************************************************************** */
49 /* Functions for manipulating Keymaps. */
51 /* **************************************************************** */
54 /* Return a new, empty keymap.
55 Free it with free() when you are done. */
57 rl_make_bare_keymap (void)
62 keymap = (Keymap)xmalloc (KEYMAP_SIZE * sizeof (KEYMAP_ENTRY));
63 for (i = 0; i < KEYMAP_SIZE; i++)
65 keymap[i].type = ISFUNC;
66 keymap[i].function = (rl_command_func_t *)NULL;
70 for (i = 'A'; i < ('Z' + 1); i++)
72 keymap[i].type = ISFUNC;
73 keymap[i].function = rl_do_lowercase_version;
80 /* A convenience function that returns 1 if there are no keys bound to
81 functions in KEYMAP */
83 rl_empty_keymap (Keymap keymap)
87 for (i = 0; i < ANYOTHERKEY; i++)
89 if (keymap[i].type != ISFUNC || keymap[i].function)
95 /* Return a new keymap which is a copy of MAP. Just copies pointers, does
96 not copy text of macros or descend into child keymaps. */
98 rl_copy_keymap (Keymap map)
103 temp = rl_make_bare_keymap ();
104 for (i = 0; i < KEYMAP_SIZE; i++)
106 temp[i].type = map[i].type;
107 temp[i].function = map[i].function;
112 /* Return a new keymap with the printing characters bound to rl_insert,
113 the uppercase Meta characters bound to run their lowercase equivalents,
114 and the Meta digits bound to produce numeric arguments. */
116 rl_make_keymap (void)
121 newmap = rl_make_bare_keymap ();
123 /* All ASCII printing characters are self-inserting. */
124 for (i = ' '; i < 127; i++)
125 newmap[i].function = rl_insert;
127 newmap[TAB].function = rl_insert;
128 newmap[RUBOUT].function = rl_rubout; /* RUBOUT == 127 */
129 newmap[CTRL('H')].function = rl_rubout;
131 #if KEYMAP_SIZE > 128
132 /* Printing characters in ISO Latin-1 and some 8-bit character sets. */
133 for (i = 128; i < 256; i++)
134 newmap[i].function = rl_insert;
135 #endif /* KEYMAP_SIZE > 128 */
140 /* Free the storage associated with MAP. */
142 rl_discard_keymap (Keymap map)
149 for (i = 0; i < KEYMAP_SIZE; i++)
157 rl_discard_keymap ((Keymap)map[i].function);
158 xfree ((char *)map[i].function);
162 xfree ((char *)map[i].function);
168 /* Convenience function that discards, then frees, MAP. */
170 rl_free_keymap (Keymap map)
172 rl_discard_keymap (map);