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