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