lib/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-horizontal-space", rl_delete_horizontal_space },
  75   { "digit-argument", rl_digit_argument },
  76   { "do-lowercase-version", rl_do_lowercase_version },
  77   { "downcase-word", rl_downcase_word },
  78   { "dump-functions", rl_dump_functions },
  79   { "dump-variables", rl_dump_variables },
  80   { "emacs-editing-mode", rl_emacs_editing_mode },
  81   { "end-kbd-macro", rl_end_kbd_macro },
  82   { "end-of-history", rl_end_of_history },
  83   { "end-of-line", rl_end_of_line },
  84   { "exchange-point-and-mark", rl_exchange_point_and_mark },
  85   { "forward-char", rl_forward },
  86   { "forward-search-history", rl_forward_search_history },
  87   { "forward-word", rl_forward_word },
  88   { "history-search-backward", rl_history_search_backward },
  89   { "history-search-forward", rl_history_search_forward },
  90   { "insert-comment", rl_insert_comment },
  91   { "insert-completions", rl_insert_completions },
  92   { "kill-whole-line", rl_kill_full_line },
  93   { "kill-line", rl_kill_line },
  94   { "kill-region", rl_kill_region },
  95   { "kill-word", rl_kill_word },
  96   { "next-history", rl_get_next_history },
  97   { "non-incremental-forward-search-history", rl_noninc_forward_search },
  98   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
  99   { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
 100   { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
 101   { "possible-completions", rl_possible_completions },
 102   { "previous-history", rl_get_previous_history },
 103   { "quoted-insert", rl_quoted_insert },
 104   { "re-read-init-file", rl_re_read_init_file },
 105   { "redraw-current-line", rl_refresh_line},
 106   { "reverse-search-history", rl_reverse_search_history },
 107   { "revert-line", rl_revert_line },
 108   { "self-insert", rl_insert },
 109   { "set-mark", rl_set_mark },
 110   { "start-kbd-macro", rl_start_kbd_macro },
 111   { "tab-insert", rl_tab_insert },
 112   { "tilde-expand", rl_tilde_expand },
 113   { "transpose-chars", rl_transpose_chars },
 114   { "transpose-words", rl_transpose_words },
 115   { "tty-status", rl_tty_status },
 116   { "undo", rl_undo_command },
 117   { "universal-argument", rl_universal_argument },
 118   { "unix-line-discard", rl_unix_line_discard },
 119   { "unix-word-rubout", rl_unix_word_rubout },
 120   { "upcase-word", rl_upcase_word },
 121   { "yank", rl_yank },
 122   { "yank-last-arg", rl_yank_last_arg },
 123   { "yank-nth-arg", rl_yank_nth_arg },
 124   { "yank-pop", rl_yank_pop },
 125
 126 #if defined (VI_MODE)
 127   { "vi-append-eol", rl_vi_append_eol },
 128   { "vi-append-mode", rl_vi_append_mode },
 129   { "vi-arg-digit", rl_vi_arg_digit },
 130   { "vi-back-to-indent", rl_vi_back_to_indent },
 131   { "vi-bWord", rl_vi_bWord },
 132   { "vi-bracktype", rl_vi_bracktype },
 133   { "vi-bword", rl_vi_bword },
 134   { "vi-change-case", rl_vi_change_case },
 135   { "vi-change-char", rl_vi_change_char },
 136   { "vi-change-to", rl_vi_change_to },
 137   { "vi-char-search", rl_vi_char_search },
 138   { "vi-column", rl_vi_column },
 139   { "vi-complete", rl_vi_complete },
 140   { "vi-delete", rl_vi_delete },
 141   { "vi-delete-to", rl_vi_delete_to },
 142   { "vi-eWord", rl_vi_eWord },
 143   { "vi-editing-mode", rl_vi_editing_mode },
 144   { "vi-end-word", rl_vi_end_word },
 145   { "vi-eof-maybe", rl_vi_eof_maybe },
 146   { "vi-eword", rl_vi_eword },
 147   { "vi-fWord", rl_vi_fWord },
 148   { "vi-fetch-history", rl_vi_fetch_history },
 149   { "vi-first-print", rl_vi_first_print },
 150   { "vi-fword", rl_vi_fword },
 151   { "vi-goto-mark", rl_vi_goto_mark },
 152   { "vi-insert-beg", rl_vi_insert_beg },
 153   { "vi-insertion-mode", rl_vi_insertion_mode },
 154   { "vi-match", rl_vi_match },
 155   { "vi-movement-mode", rl_vi_movement_mode },
 156   { "vi-next-word", rl_vi_next_word },
 157   { "vi-overstrike", rl_vi_overstrike },
 158   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 159   { "vi-prev-word", rl_vi_prev_word },
 160   { "vi-put", rl_vi_put },
 161   { "vi-redo", rl_vi_redo },
 162   { "vi-replace", rl_vi_replace },
 163   { "vi-search", rl_vi_search },
 164   { "vi-search-again", rl_vi_search_again },
 165   { "vi-set-mark", rl_vi_set_mark },
 166   { "vi-subst", rl_vi_subst },
 167   { "vi-tilde-expand", rl_vi_tilde_expand },
 168   { "vi-yank-arg", rl_vi_yank_arg },
 169   { "vi-yank-to", rl_vi_yank_to },
 170 #endif /* VI_MODE */
 171
 172  {(char *)NULL, (Function *)NULL }
 173 };
 174
 175 int
 176 rl_add_funmap_entry (name, function)
 177      char *name;
 178      Function *function;
 179 {
 180   if (funmap_entry + 2 >= funmap_size)
 181     {
 182       funmap_size += 64;
 183       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
 184     }
 185
 186   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 187   funmap[funmap_entry]->name = name;
 188   funmap[funmap_entry]->function = function;
 189
 190   funmap[++funmap_entry] = (FUNMAP *)NULL;
 191   return funmap_entry;
 192 }
 193
 194 static int funmap_initialized;
 195
 196 /* Make the funmap contain all of the default entries. */
 197 void
 198 rl_initialize_funmap ()
 199 {
 200   register int i;
 201
 202   if (funmap_initialized)
 203     return;
 204
 205   for (i = 0; default_funmap[i].name; i++)
 206     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 207
 208   funmap_initialized = 1;
 209   funmap_program_specific_entry_start = i;
 210 }
 211
 212 /* Produce a NULL terminated array of known function names.  The array
 213    is sorted.  The array itself is allocated, but not the strings inside.
 214    You should free () the array when you done, but not the pointrs. */
 215 char **
 216 rl_funmap_names ()
 217 {
 218   char **result;
 219   int result_size, result_index;
 220
 221   /* Make sure that the function map has been initialized. */
 222   rl_initialize_funmap ();
 223
 224   for (result_index = result_size = 0, result = (char **)NULL; funmap[result_index]; result_index++)
 225     {
 226       if (result_index + 2 > result_size)
 227         {
 228           result_size += 20;
 229           result = (char **)xrealloc (result, result_size * sizeof (char *));
 230         }
 231
 232       result[result_index] = funmap[result_index]->name;
 233       result[result_index + 1] = (char *)NULL;
 234     }
 235
 236   qsort (result, result_index, sizeof (char *), _rl_qsort_string_compare);
 237   return (result);
 238 }
 239
 240 /* Things that mean `Control'. */
 241 char *possible_control_prefixes[] = {
 242   "Control-", "C-", "CTRL-", (char *)NULL
 243 };
 244
 245 char *possible_meta_prefixes[] = {
 246   "Meta", "M-", (char *)NULL
 247 };