keymaps.c revision 136644
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. */ 55Keymap 56rl_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#if 0 68 for (i = 'A'; i < ('Z' + 1); i++) 69 { 70 keymap[i].type = ISFUNC; 71 keymap[i].function = rl_do_lowercase_version; 72 } 73#endif 74 75 return (keymap); 76} 77 78/* Return a new keymap which is a copy of MAP. */ 79Keymap 80rl_copy_keymap (map) 81 Keymap map; 82{ 83 register int i; 84 Keymap temp; 85 86 temp = rl_make_bare_keymap (); 87 for (i = 0; i < KEYMAP_SIZE; i++) 88 { 89 temp[i].type = map[i].type; 90 temp[i].function = map[i].function; 91 } 92 return (temp); 93} 94 95/* Return a new keymap with the printing characters bound to rl_insert, 96 the uppercase Meta characters bound to run their lowercase equivalents, 97 and the Meta digits bound to produce numeric arguments. */ 98Keymap 99rl_make_keymap () 100{ 101 register int i; 102 Keymap newmap; 103 104 newmap = rl_make_bare_keymap (); 105 106 /* All ASCII printing characters are self-inserting. */ 107 for (i = ' '; i < 127; i++) 108 newmap[i].function = rl_insert; 109 110 newmap[TAB].function = rl_insert; 111 newmap[RUBOUT].function = rl_rubout; /* RUBOUT == 127 */ 112 newmap[CTRL('H')].function = rl_rubout; 113 114#if KEYMAP_SIZE > 128 115 /* Printing characters in ISO Latin-1 and some 8-bit character sets. */ 116 for (i = 128; i < 256; i++) 117 newmap[i].function = rl_insert; 118#endif /* KEYMAP_SIZE > 128 */ 119 120 return (newmap); 121} 122 123/* Free the storage associated with MAP. */ 124void 125rl_discard_keymap (map) 126 Keymap map; 127{ 128 int i; 129 130 if (!map) 131 return; 132 133 for (i = 0; i < KEYMAP_SIZE; i++) 134 { 135 switch (map[i].type) 136 { 137 case ISFUNC: 138 break; 139 140 case ISKMAP: 141 rl_discard_keymap ((Keymap)map[i].function); 142 break; 143 144 case ISMACR: 145 free ((char *)map[i].function); 146 break; 147 } 148 } 149} 150