lib/readline/funmap.c

   1 /* funmap.c -- attach names to functions. */
   2
   3 /* Copyright (C) 1987-2009 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU Readline Library (Readline), a library
   6    for reading lines of text with interactive input and history editing.
   7
   8    Readline is free software: you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation, either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    Readline is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with Readline.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  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 const 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-filename-rubout", rl_unix_filename_rubout },
 135   { "unix-line-discard", rl_unix_line_discard },
 136   { "unix-word-rubout", rl_unix_word_rubout },
 137   { "upcase-word", rl_upcase_word },
 138   { "yank", rl_yank },
 139   { "yank-last-arg", rl_yank_last_arg },
 140   { "yank-nth-arg", rl_yank_nth_arg },
 141   { "yank-pop", rl_yank_pop },
 142
 143 #if defined (VI_MODE)
 144   { "vi-append-eol", rl_vi_append_eol },
 145   { "vi-append-mode", rl_vi_append_mode },
 146   { "vi-arg-digit", rl_vi_arg_digit },
 147   { "vi-back-to-indent", rl_vi_back_to_indent },
 148   { "vi-bWord", rl_vi_bWord },
 149   { "vi-bword", rl_vi_bword },
 150   { "vi-change-case", rl_vi_change_case },
 151   { "vi-change-char", rl_vi_change_char },
 152   { "vi-change-to", rl_vi_change_to },
 153   { "vi-char-search", rl_vi_char_search },
 154   { "vi-column", rl_vi_column },
 155   { "vi-complete", rl_vi_complete },
 156   { "vi-delete", rl_vi_delete },
 157   { "vi-delete-to", rl_vi_delete_to },
 158   { "vi-eWord", rl_vi_eWord },
 159   { "vi-editing-mode", rl_vi_editing_mode },
 160   { "vi-end-word", rl_vi_end_word },
 161   { "vi-eof-maybe", rl_vi_eof_maybe },
 162   { "vi-eword", rl_vi_eword },
 163   { "vi-fWord", rl_vi_fWord },
 164   { "vi-fetch-history", rl_vi_fetch_history },
 165   { "vi-first-print", rl_vi_first_print },
 166   { "vi-fword", rl_vi_fword },
 167   { "vi-goto-mark", rl_vi_goto_mark },
 168   { "vi-insert-beg", rl_vi_insert_beg },
 169   { "vi-insertion-mode", rl_vi_insertion_mode },
 170   { "vi-match", rl_vi_match },
 171   { "vi-movement-mode", rl_vi_movement_mode },
 172   { "vi-next-word", rl_vi_next_word },
 173   { "vi-overstrike", rl_vi_overstrike },
 174   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 175   { "vi-prev-word", rl_vi_prev_word },
 176   { "vi-put", rl_vi_put },
 177   { "vi-redo", rl_vi_redo },
 178   { "vi-replace", rl_vi_replace },
 179   { "vi-rubout", rl_vi_rubout },
 180   { "vi-search", rl_vi_search },
 181   { "vi-search-again", rl_vi_search_again },
 182   { "vi-set-mark", rl_vi_set_mark },
 183   { "vi-subst", rl_vi_subst },
 184   { "vi-tilde-expand", rl_vi_tilde_expand },
 185   { "vi-yank-arg", rl_vi_yank_arg },
 186   { "vi-yank-to", rl_vi_yank_to },
 187 #endif /* VI_MODE */
 188
 189  {(char *)NULL, (rl_command_func_t *)NULL }
 190 };
 191
 192 int
 193 rl_add_funmap_entry (name, function)
 194      const char *name;
 195      rl_command_func_t *function;
 196 {
 197   if (funmap_entry + 2 >= funmap_size)
 198     {
 199       funmap_size += 64;
 200       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
 201     }
 202
 203   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 204   funmap[funmap_entry]->name = name;
 205   funmap[funmap_entry]->function = function;
 206
 207   funmap[++funmap_entry] = (FUNMAP *)NULL;
 208   return funmap_entry;
 209 }
 210
 211 static int funmap_initialized;
 212
 213 /* Make the funmap contain all of the default entries. */
 214 void
 215 rl_initialize_funmap ()
 216 {
 217   register int i;
 218
 219   if (funmap_initialized)
 220     return;
 221
 222   for (i = 0; default_funmap[i].name; i++)
 223     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 224
 225   funmap_initialized = 1;
 226   funmap_program_specific_entry_start = i;
 227 }
 228
 229 /* Produce a NULL terminated array of known function names.  The array
 230    is sorted.  The array itself is allocated, but not the strings inside.
 231    You should free () the array when you done, but not the pointrs. */
 232 const char **
 233 rl_funmap_names ()
 234 {
 235   const char **result;
 236   int result_size, result_index;
 237
 238   /* Make sure that the function map has been initialized. */
 239   rl_initialize_funmap ();
 240
 241   for (result_index = result_size = 0, result = (const char **)NULL; funmap[result_index]; result_index++)
 242     {
 243       if (result_index + 2 > result_size)
 244         {
 245           result_size += 20;
 246           result = (const char **)xrealloc (result, result_size * sizeof (char *));
 247         }
 248
 249       result[result_index] = funmap[result_index]->name;
 250       result[result_index + 1] = (char *)NULL;
 251     }
 252
 253   qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
 254   return (result);
 255 }