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 2, 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    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
  22 #define READLINE_LIBRARY
  23
  24 #if defined (HAVE_CONFIG_H)
  25 #  include <config.h>
  26 #endif
  27
  28 #if !defined (BUFSIZ)
  29 #include <stdio.h>
  30 #endif /* BUFSIZ */
  31
  32 #if defined (HAVE_STDLIB_H)
  33 #  include <stdlib.h>
  34 #else
  35 #  include "ansi_stdlib.h"
  36 #endif /* HAVE_STDLIB_H */
  37
  38 #include "rlconf.h"
  39 #include "readline.h"
  40
  41 #include "xmalloc.h"
  42
  43 #ifdef __STDC__
  44 typedef int QSFUNC (const void *, const void *);
  45 #else
  46 typedef int QSFUNC ();
  47 #endif
  48
  49 extern int _rl_qsort_string_compare ();
  50
  51 FUNMAP **funmap;
  52 static int funmap_size;
  53 static int funmap_entry;
  54
  55 /* After initializing the function map, this is the index of the first
  56    program specific function. */
  57 int funmap_program_specific_entry_start;
  58
  59 static FUNMAP default_funmap[] = {
  60   { "abort", rl_abort },
  61   { "accept-line", rl_newline },
  62   { "arrow-key-prefix", rl_arrow_keys },
  63   { "backward-char", rl_backward },
  64   { "backward-delete-char", rl_rubout },
  65   { "backward-kill-line", rl_backward_kill_line },
  66   { "backward-kill-word", rl_backward_kill_word },
  67   { "backward-word", rl_backward_word },
  68   { "beginning-of-history", rl_beginning_of_history },
  69   { "beginning-of-line", rl_beg_of_line },
  70   { "call-last-kbd-macro", rl_call_last_kbd_macro },
  71   { "capitalize-word", rl_capitalize_word },
  72   { "character-search", rl_char_search },
  73   { "character-search-backward", rl_backward_char_search },
  74   { "clear-screen", rl_clear_screen },
  75   { "complete", rl_complete },
  76   { "copy-backward-word", rl_copy_backward_word },
  77   { "copy-forward-word", rl_copy_forward_word },
  78   { "copy-region-as-kill", rl_copy_region_to_kill },
  79   { "delete-char", rl_delete },
  80   { "delete-char-or-list", rl_delete_or_show_completions },
  81   { "delete-horizontal-space", rl_delete_horizontal_space },
  82   { "digit-argument", rl_digit_argument },
  83   { "do-lowercase-version", rl_do_lowercase_version },
  84   { "downcase-word", rl_downcase_word },
  85   { "dump-functions", rl_dump_functions },
  86   { "dump-macros", rl_dump_macros },
  87   { "dump-variables", rl_dump_variables },
  88   { "emacs-editing-mode", rl_emacs_editing_mode },
  89   { "end-kbd-macro", rl_end_kbd_macro },
  90   { "end-of-history", rl_end_of_history },
  91   { "end-of-line", rl_end_of_line },
  92   { "exchange-point-and-mark", rl_exchange_point_and_mark },
  93   { "forward-backward-delete-char", rl_rubout_or_delete },
  94   { "forward-char", rl_forward },
  95   { "forward-search-history", rl_forward_search_history },
  96   { "forward-word", rl_forward_word },
  97   { "history-search-backward", rl_history_search_backward },
  98   { "history-search-forward", rl_history_search_forward },
  99   { "insert-comment", rl_insert_comment },
 100   { "insert-completions", rl_insert_completions },
 101   { "kill-whole-line", rl_kill_full_line },
 102   { "kill-line", rl_kill_line },
 103   { "kill-region", rl_kill_region },
 104   { "kill-word", rl_kill_word },
 105   { "menu-complete", rl_menu_complete },
 106   { "next-history", rl_get_next_history },
 107   { "non-incremental-forward-search-history", rl_noninc_forward_search },
 108   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
 109   { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
 110   { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
 111 #ifdef __CYGWIN32__
 112   { "paste-from-clipboard", rl_paste_from_clipboard },
 113 #endif
 114   { "possible-completions", rl_possible_completions },
 115   { "previous-history", rl_get_previous_history },
 116   { "quoted-insert", rl_quoted_insert },
 117   { "re-read-init-file", rl_re_read_init_file },
 118   { "redraw-current-line", rl_refresh_line},
 119   { "reverse-search-history", rl_reverse_search_history },
 120   { "revert-line", rl_revert_line },
 121   { "self-insert", rl_insert },
 122   { "set-mark", rl_set_mark },
 123   { "start-kbd-macro", rl_start_kbd_macro },
 124   { "tab-insert", rl_tab_insert },
 125   { "tilde-expand", rl_tilde_expand },
 126   { "transpose-chars", rl_transpose_chars },
 127   { "transpose-words", rl_transpose_words },
 128   { "tty-status", rl_tty_status },
 129   { "undo", rl_undo_command },
 130   { "universal-argument", rl_universal_argument },
 131   { "unix-line-discard", rl_unix_line_discard },
 132   { "unix-word-rubout", rl_unix_word_rubout },
 133   { "upcase-word", rl_upcase_word },
 134   { "yank", rl_yank },
 135   { "yank-last-arg", rl_yank_last_arg },
 136   { "yank-nth-arg", rl_yank_nth_arg },
 137   { "yank-pop", rl_yank_pop },
 138
 139 #if defined (VI_MODE)
 140   { "vi-append-eol", rl_vi_append_eol },
 141   { "vi-append-mode", rl_vi_append_mode },
 142   { "vi-arg-digit", rl_vi_arg_digit },
 143   { "vi-back-to-indent", rl_vi_back_to_indent },
 144   { "vi-bWord", rl_vi_bWord },
 145   { "vi-bracktype", rl_vi_bracktype },
 146   { "vi-bword", rl_vi_bword },
 147   { "vi-change-case", rl_vi_change_case },
 148   { "vi-change-char", rl_vi_change_char },
 149   { "vi-change-to", rl_vi_change_to },
 150   { "vi-char-search", rl_vi_char_search },
 151   { "vi-column", rl_vi_column },
 152   { "vi-complete", rl_vi_complete },
 153   { "vi-delete", rl_vi_delete },
 154   { "vi-delete-to", rl_vi_delete_to },
 155   { "vi-eWord", rl_vi_eWord },
 156   { "vi-editing-mode", rl_vi_editing_mode },
 157   { "vi-end-word", rl_vi_end_word },
 158   { "vi-eof-maybe", rl_vi_eof_maybe },
 159   { "vi-eword", rl_vi_eword },
 160   { "vi-fWord", rl_vi_fWord },
 161   { "vi-fetch-history", rl_vi_fetch_history },
 162   { "vi-first-print", rl_vi_first_print },
 163   { "vi-fword", rl_vi_fword },
 164   { "vi-goto-mark", rl_vi_goto_mark },
 165   { "vi-insert-beg", rl_vi_insert_beg },
 166   { "vi-insertion-mode", rl_vi_insertion_mode },
 167   { "vi-match", rl_vi_match },
 168   { "vi-movement-mode", rl_vi_movement_mode },
 169   { "vi-next-word", rl_vi_next_word },
 170   { "vi-overstrike", rl_vi_overstrike },
 171   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 172   { "vi-prev-word", rl_vi_prev_word },
 173   { "vi-put", rl_vi_put },
 174   { "vi-redo", rl_vi_redo },
 175   { "vi-replace", rl_vi_replace },
 176   { "vi-search", rl_vi_search },
 177   { "vi-search-again", rl_vi_search_again },
 178   { "vi-set-mark", rl_vi_set_mark },
 179   { "vi-subst", rl_vi_subst },
 180   { "vi-tilde-expand", rl_vi_tilde_expand },
 181   { "vi-yank-arg", rl_vi_yank_arg },
 182   { "vi-yank-to", rl_vi_yank_to },
 183 #endif /* VI_MODE */
 184
 185  {(char *)NULL, (Function *)NULL }
 186 };
 187
 188 int
 189 rl_add_funmap_entry (name, function)
 190      char *name;
 191      Function *function;
 192 {
 193   if (funmap_entry + 2 >= funmap_size)
 194     {
 195       funmap_size += 64;
 196       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
 197     }
 198
 199   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 200   funmap[funmap_entry]->name = name;
 201   funmap[funmap_entry]->function = function;
 202
 203   funmap[++funmap_entry] = (FUNMAP *)NULL;
 204   return funmap_entry;
 205 }
 206
 207 static int funmap_initialized;
 208
 209 /* Make the funmap contain all of the default entries. */
 210 void
 211 rl_initialize_funmap ()
 212 {
 213   register int i;
 214
 215   if (funmap_initialized)
 216     return;
 217
 218   for (i = 0; default_funmap[i].name; i++)
 219     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 220
 221   funmap_initialized = 1;
 222   funmap_program_specific_entry_start = i;
 223 }
 224
 225 /* Produce a NULL terminated array of known function names.  The array
 226    is sorted.  The array itself is allocated, but not the strings inside.
 227    You should free () the array when you done, but not the pointrs. */
 228 char **
 229 rl_funmap_names ()
 230 {
 231   char **result;
 232   int result_size, result_index;
 233
 234   /* Make sure that the function map has been initialized. */
 235   rl_initialize_funmap ();
 236
 237   for (result_index = result_size = 0, result = (char **)NULL; funmap[result_index]; result_index++)
 238     {
 239       if (result_index + 2 > result_size)
 240         {
 241           result_size += 20;
 242           result = (char **)xrealloc (result, result_size * sizeof (char *));
 243         }
 244
 245       result[result_index] = funmap[result_index]->name;
 246       result[result_index + 1] = (char *)NULL;
 247     }
 248
 249   qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
 250   return (result);
 251 }
 252
 253 /* Things that mean `Control'. */
 254 char *possible_control_prefixes[] = {
 255   "Control-", "C-", "CTRL-", (char *)NULL
 256 };
 257
 258 char *possible_meta_prefixes[] = {
 259   "Meta", "M-", (char *)NULL
 260 };