readline/funmap.c

   1 /* funmap.c -- attach names to functions. */
   2
   3 /* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU Readline Library, a library for
   6    reading lines of text with interactive input and history editing.
   7
   8    The GNU Readline Library is free software; you can redistribute it
   9    and/or modify it under the terms of the GNU General Public License
  10    as published by the Free Software Foundation; either version 1, or
  11    (at your option) any later version.
  12
  13    The GNU Readline Library is distributed in the hope that it will be
  14    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  15    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    The GNU General Public License is often shipped with GNU software, and
  19    is generally kept in a file called COPYING or LICENSE.  If you do not
  20    have a copy of the license, write to the Free Software Foundation,
  21    675 Mass Ave, Cambridge, MA 02139, USA. */
  22 #define READLINE_LIBRARY
  23
  24 #if defined (HAVE_CONFIG_H)
  25 #  include <config.h>
  26 #endif
  27
  28 extern char *xmalloc (), *xrealloc ();
  29
  30 #if !defined (BUFSIZ)
  31 #include <stdio.h>
  32 #endif /* BUFSIZ */
  33
  34 #if defined (HAVE_STDLIB_H)
  35 #  include <stdlib.h>
  36 #else
  37 #  include "ansi_stdlib.h"
  38 #endif /* HAVE_STDLIB_H */
  39
  40 #include "rlconf.h"
  41 #include "readline.h"
  42
  43 extern int _rl_qsort_string_compare ();
  44
  45 FUNMAP **funmap;
  46 static int funmap_size;
  47 static int funmap_entry;
  48
  49 /* After initializing the function map, this is the index of the first
  50    program specific function. */
  51 int funmap_program_specific_entry_start;
  52
  53 static FUNMAP default_funmap[] = {
  54   { "abort", rl_abort },
  55   { "accept-line", rl_newline },
  56   { "arrow-key-prefix", rl_arrow_keys },
  57   { "backward-char", rl_backward },
  58   { "backward-delete-char", rl_rubout },
  59   { "backward-kill-line", rl_backward_kill_line },
  60   { "backward-kill-word", rl_backward_kill_word },
  61   { "backward-word", rl_backward_word },
  62   { "beginning-of-history", rl_beginning_of_history },
  63   { "beginning-of-line", rl_beg_of_line },
  64   { "call-last-kbd-macro", rl_call_last_kbd_macro },
  65   { "capitalize-word", rl_capitalize_word },
  66   { "character-search", rl_char_search },
  67   { "character-search-backward", rl_backward_char_search },
  68   { "clear-screen", rl_clear_screen },
  69   { "complete", rl_complete },
  70   { "copy-backward-word", rl_copy_backward_word },
  71   { "copy-forward-word", rl_copy_forward_word },
  72   { "copy-region-as-kill", rl_copy_region_to_kill },
  73   { "delete-char", rl_delete },
  74   { "delete-char-or-list", rl_delete_or_show_completions },
  75   { "delete-horizontal-space", rl_delete_horizontal_space },
  76   { "digit-argument", rl_digit_argument },
  77   { "do-lowercase-version", rl_do_lowercase_version },
  78   { "downcase-word", rl_downcase_word },
  79   { "dump-functions", rl_dump_functions },
  80   { "dump-macros", rl_dump_macros },
  81   { "dump-variables", rl_dump_variables },
  82   { "emacs-editing-mode", rl_emacs_editing_mode },
  83   { "end-kbd-macro", rl_end_kbd_macro },
  84   { "end-of-history", rl_end_of_history },
  85   { "end-of-line", rl_end_of_line },
  86   { "exchange-point-and-mark", rl_exchange_point_and_mark },
  87   { "forward-backward-delete-char", rl_rubout_or_delete },
  88   { "forward-char", rl_forward },
  89   { "forward-search-history", rl_forward_search_history },
  90   { "forward-word", rl_forward_word },
  91   { "history-search-backward", rl_history_search_backward },
  92   { "history-search-forward", rl_history_search_forward },
  93   { "insert-comment", rl_insert_comment },
  94   { "insert-completions", rl_insert_completions },
  95   { "kill-whole-line", rl_kill_full_line },
  96   { "kill-line", rl_kill_line },
  97   { "kill-region", rl_kill_region },
  98   { "kill-word", rl_kill_word },
  99   { "menu-complete", rl_menu_complete },
 100   { "next-history", rl_get_next_history },
 101   { "non-incremental-forward-search-history", rl_noninc_forward_search },
 102   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
 103   { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
 104   { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
 105 #ifdef __CYGWIN32__
 106   { "paste-from-clipboard", rl_paste_from_clipboard },
 107 #endif
 108   { "possible-completions", rl_possible_completions },
 109   { "previous-history", rl_get_previous_history },
 110   { "quoted-insert", rl_quoted_insert },
 111   { "re-read-init-file", rl_re_read_init_file },
 112   { "redraw-current-line", rl_refresh_line},
 113   { "reverse-search-history", rl_reverse_search_history },
 114   { "revert-line", rl_revert_line },
 115   { "self-insert", rl_insert },
 116   { "set-mark", rl_set_mark },
 117   { "start-kbd-macro", rl_start_kbd_macro },
 118   { "tab-insert", rl_tab_insert },
 119   { "tilde-expand", rl_tilde_expand },
 120   { "transpose-chars", rl_transpose_chars },
 121   { "transpose-words", rl_transpose_words },
 122   { "tty-status", rl_tty_status },
 123   { "undo", rl_undo_command },
 124   { "universal-argument", rl_universal_argument },
 125   { "unix-line-discard", rl_unix_line_discard },
 126   { "unix-word-rubout", rl_unix_word_rubout },
 127   { "upcase-word", rl_upcase_word },
 128   { "yank", rl_yank },
 129   { "yank-last-arg", rl_yank_last_arg },
 130   { "yank-nth-arg", rl_yank_nth_arg },
 131   { "yank-pop", rl_yank_pop },
 132
 133 #if defined (VI_MODE)
 134   { "vi-append-eol", rl_vi_append_eol },
 135   { "vi-append-mode", rl_vi_append_mode },
 136   { "vi-arg-digit", rl_vi_arg_digit },
 137   { "vi-back-to-indent", rl_vi_back_to_indent },
 138   { "vi-bWord", rl_vi_bWord },
 139   { "vi-bracktype", rl_vi_bracktype },
 140   { "vi-bword", rl_vi_bword },
 141   { "vi-change-case", rl_vi_change_case },
 142   { "vi-change-char", rl_vi_change_char },
 143   { "vi-change-to", rl_vi_change_to },
 144   { "vi-char-search", rl_vi_char_search },
 145   { "vi-column", rl_vi_column },
 146   { "vi-complete", rl_vi_complete },
 147   { "vi-delete", rl_vi_delete },
 148   { "vi-delete-to", rl_vi_delete_to },
 149   { "vi-eWord", rl_vi_eWord },
 150   { "vi-editing-mode", rl_vi_editing_mode },
 151   { "vi-end-word", rl_vi_end_word },
 152   { "vi-eof-maybe", rl_vi_eof_maybe },
 153   { "vi-eword", rl_vi_eword },
 154   { "vi-fWord", rl_vi_fWord },
 155   { "vi-fetch-history", rl_vi_fetch_history },
 156   { "vi-first-print", rl_vi_first_print },
 157   { "vi-fword", rl_vi_fword },
 158   { "vi-goto-mark", rl_vi_goto_mark },
 159   { "vi-insert-beg", rl_vi_insert_beg },
 160   { "vi-insertion-mode", rl_vi_insertion_mode },
 161   { "vi-match", rl_vi_match },
 162   { "vi-movement-mode", rl_vi_movement_mode },
 163   { "vi-next-word", rl_vi_next_word },
 164   { "vi-overstrike", rl_vi_overstrike },
 165   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 166   { "vi-prev-word", rl_vi_prev_word },
 167   { "vi-put", rl_vi_put },
 168   { "vi-redo", rl_vi_redo },
 169   { "vi-replace", rl_vi_replace },
 170   { "vi-search", rl_vi_search },
 171   { "vi-search-again", rl_vi_search_again },
 172   { "vi-set-mark", rl_vi_set_mark },
 173   { "vi-subst", rl_vi_subst },
 174   { "vi-tilde-expand", rl_vi_tilde_expand },
 175   { "vi-yank-arg", rl_vi_yank_arg },
 176   { "vi-yank-to", rl_vi_yank_to },
 177 #endif /* VI_MODE */
 178
 179  {(char *)NULL, (Function *)NULL }
 180 };
 181
 182 int
 183 rl_add_funmap_entry (name, function)
 184      char *name;
 185      Function *function;
 186 {
 187   if (funmap_entry + 2 >= funmap_size)
 188     {
 189       funmap_size += 64;
 190       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
 191     }
 192
 193   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 194   funmap[funmap_entry]->name = name;
 195   funmap[funmap_entry]->function = function;
 196
 197   funmap[++funmap_entry] = (FUNMAP *)NULL;
 198   return funmap_entry;
 199 }
 200
 201 static int funmap_initialized;
 202
 203 /* Make the funmap contain all of the default entries. */
 204 void
 205 rl_initialize_funmap ()
 206 {
 207   register int i;
 208
 209   if (funmap_initialized)
 210     return;
 211
 212   for (i = 0; default_funmap[i].name; i++)
 213     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 214
 215   funmap_initialized = 1;
 216   funmap_program_specific_entry_start = i;
 217 }
 218
 219 /* Produce a NULL terminated array of known function names.  The array
 220    is sorted.  The array itself is allocated, but not the strings inside.
 221    You should free () the array when you done, but not the pointrs. */
 222 char **
 223 rl_funmap_names ()
 224 {
 225   char **result;
 226   int result_size, result_index;
 227
 228   /* Make sure that the function map has been initialized. */
 229   rl_initialize_funmap ();
 230
 231   for (result_index = result_size = 0, result = (char **)NULL; funmap[result_index]; result_index++)
 232     {
 233       if (result_index + 2 > result_size)
 234         {
 235           result_size += 20;
 236           result = (char **)xrealloc (result, result_size * sizeof (char *));
 237         }
 238
 239       result[result_index] = funmap[result_index]->name;
 240       result[result_index + 1] = (char *)NULL;
 241     }
 242
 243   qsort (result, result_index, sizeof (char *), _rl_qsort_string_compare);
 244   return (result);
 245 }
 246
 247 /* Things that mean `Control'. */
 248 char *possible_control_prefixes[] = {
 249   "Control-", "C-", "CTRL-", (char *)NULL
 250 };
 251
 252 char *possible_meta_prefixes[] = {
 253   "Meta", "M-", (char *)NULL
 254 };