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-macros", rl_dump_macros },
  80   { "dump-variables", rl_dump_variables },
  81   { "emacs-editing-mode", rl_emacs_editing_mode },
  82   { "end-kbd-macro", rl_end_kbd_macro },
  83   { "end-of-history", rl_end_of_history },
  84   { "end-of-line", rl_end_of_line },
  85   { "exchange-point-and-mark", rl_exchange_point_and_mark },
  86   { "forward-char", rl_forward },
  87   { "forward-search-history", rl_forward_search_history },
  88   { "forward-word", rl_forward_word },
  89   { "history-search-backward", rl_history_search_backward },
  90   { "history-search-forward", rl_history_search_forward },
  91   { "insert-comment", rl_insert_comment },
  92   { "insert-completions", rl_insert_completions },
  93   { "kill-whole-line", rl_kill_full_line },
  94   { "kill-line", rl_kill_line },
  95   { "kill-region", rl_kill_region },
  96   { "kill-word", rl_kill_word },
  97   { "menu-complete", rl_menu_complete },
  98   { "next-history", rl_get_next_history },
  99   { "non-incremental-forward-search-history", rl_noninc_forward_search },
 100   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
 101   { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
 102   { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
 103 #ifdef __CYGWIN32__
 104   { "paste-from-clipboard", rl_paste_from_clipboard },
 105 #endif
 106   { "possible-completions", rl_possible_completions },
 107   { "previous-history", rl_get_previous_history },
 108   { "quoted-insert", rl_quoted_insert },
 109   { "re-read-init-file", rl_re_read_init_file },
 110   { "redraw-current-line", rl_refresh_line},
 111   { "reverse-search-history", rl_reverse_search_history },
 112   { "revert-line", rl_revert_line },
 113   { "self-insert", rl_insert },
 114   { "set-mark", rl_set_mark },
 115   { "start-kbd-macro", rl_start_kbd_macro },
 116   { "tab-insert", rl_tab_insert },
 117   { "tilde-expand", rl_tilde_expand },
 118   { "transpose-chars", rl_transpose_chars },
 119   { "transpose-words", rl_transpose_words },
 120   { "tty-status", rl_tty_status },
 121   { "undo", rl_undo_command },
 122   { "universal-argument", rl_universal_argument },
 123   { "unix-line-discard", rl_unix_line_discard },
 124   { "unix-word-rubout", rl_unix_word_rubout },
 125   { "upcase-word", rl_upcase_word },
 126   { "yank", rl_yank },
 127   { "yank-last-arg", rl_yank_last_arg },
 128   { "yank-nth-arg", rl_yank_nth_arg },
 129   { "yank-pop", rl_yank_pop },
 130
 131 #if defined (VI_MODE)
 132   { "vi-append-eol", rl_vi_append_eol },
 133   { "vi-append-mode", rl_vi_append_mode },
 134   { "vi-arg-digit", rl_vi_arg_digit },
 135   { "vi-back-to-indent", rl_vi_back_to_indent },
 136   { "vi-bWord", rl_vi_bWord },
 137   { "vi-bracktype", rl_vi_bracktype },
 138   { "vi-bword", rl_vi_bword },
 139   { "vi-change-case", rl_vi_change_case },
 140   { "vi-change-char", rl_vi_change_char },
 141   { "vi-change-to", rl_vi_change_to },
 142   { "vi-char-search", rl_vi_char_search },
 143   { "vi-column", rl_vi_column },
 144   { "vi-complete", rl_vi_complete },
 145   { "vi-delete", rl_vi_delete },
 146   { "vi-delete-to", rl_vi_delete_to },
 147   { "vi-eWord", rl_vi_eWord },
 148   { "vi-editing-mode", rl_vi_editing_mode },
 149   { "vi-end-word", rl_vi_end_word },
 150   { "vi-eof-maybe", rl_vi_eof_maybe },
 151   { "vi-eword", rl_vi_eword },
 152   { "vi-fWord", rl_vi_fWord },
 153   { "vi-fetch-history", rl_vi_fetch_history },
 154   { "vi-first-print", rl_vi_first_print },
 155   { "vi-fword", rl_vi_fword },
 156   { "vi-goto-mark", rl_vi_goto_mark },
 157   { "vi-insert-beg", rl_vi_insert_beg },
 158   { "vi-insertion-mode", rl_vi_insertion_mode },
 159   { "vi-match", rl_vi_match },
 160   { "vi-movement-mode", rl_vi_movement_mode },
 161   { "vi-next-word", rl_vi_next_word },
 162   { "vi-overstrike", rl_vi_overstrike },
 163   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 164   { "vi-prev-word", rl_vi_prev_word },
 165   { "vi-put", rl_vi_put },
 166   { "vi-redo", rl_vi_redo },
 167   { "vi-replace", rl_vi_replace },
 168   { "vi-search", rl_vi_search },
 169   { "vi-search-again", rl_vi_search_again },
 170   { "vi-set-mark", rl_vi_set_mark },
 171   { "vi-subst", rl_vi_subst },
 172   { "vi-tilde-expand", rl_vi_tilde_expand },
 173   { "vi-yank-arg", rl_vi_yank_arg },
 174   { "vi-yank-to", rl_vi_yank_to },
 175 #endif /* VI_MODE */
 176
 177  {(char *)NULL, (Function *)NULL }
 178 };
 179
 180 int
 181 rl_add_funmap_entry (name, function)
 182      char *name;
 183      Function *function;
 184 {
 185   if (funmap_entry + 2 >= funmap_size)
 186     {
 187       funmap_size += 64;
 188       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
 189     }
 190
 191   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 192   funmap[funmap_entry]->name = name;
 193   funmap[funmap_entry]->function = function;
 194
 195   funmap[++funmap_entry] = (FUNMAP *)NULL;
 196   return funmap_entry;
 197 }
 198
 199 static int funmap_initialized;
 200
 201 /* Make the funmap contain all of the default entries. */
 202 void
 203 rl_initialize_funmap ()
 204 {
 205   register int i;
 206
 207   if (funmap_initialized)
 208     return;
 209
 210   for (i = 0; default_funmap[i].name; i++)
 211     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 212
 213   funmap_initialized = 1;
 214   funmap_program_specific_entry_start = i;
 215 }
 216
 217 /* Produce a NULL terminated array of known function names.  The array
 218    is sorted.  The array itself is allocated, but not the strings inside.
 219    You should free () the array when you done, but not the pointrs. */
 220 char **
 221 rl_funmap_names ()
 222 {
 223   char **result;
 224   int result_size, result_index;
 225
 226   /* Make sure that the function map has been initialized. */
 227   rl_initialize_funmap ();
 228
 229   for (result_index = result_size = 0, result = (char **)NULL; funmap[result_index]; result_index++)
 230     {
 231       if (result_index + 2 > result_size)
 232         {
 233           result_size += 20;
 234           result = (char **)xrealloc (result, result_size * sizeof (char *));
 235         }
 236
 237       result[result_index] = funmap[result_index]->name;
 238       result[result_index + 1] = (char *)NULL;
 239     }
 240
 241   qsort (result, result_index, sizeof (char *), _rl_qsort_string_compare);
 242   return (result);
 243 }
 244
 245 /* Things that mean `Control'. */
 246 char *possible_control_prefixes[] = {
 247   "Control-", "C-", "CTRL-", (char *)NULL
 248 };
 249
 250 char *possible_meta_prefixes[] = {
 251   "Meta", "M-", (char *)NULL
 252 };