readline/funmap.c

   1 /* funmap.c -- attach names to functions. */
   2
   3 /* Copyright (C) 1987-2010 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   { "menu-complete-backward", rl_backward_menu_complete },
 109   { "next-history", rl_get_next_history },
 110   { "non-incremental-forward-search-history", rl_noninc_forward_search },
 111   { "non-incremental-reverse-search-history", rl_noninc_reverse_search },
 112   { "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
 113   { "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
 114   { "old-menu-complete", rl_old_menu_complete },
 115   { "overwrite-mode", rl_overwrite_mode },
 116 #ifdef __CYGWIN__
 117   { "paste-from-clipboard", rl_paste_from_clipboard },
 118 #endif
 119   { "possible-completions", rl_possible_completions },
 120   { "previous-history", rl_get_previous_history },
 121   { "quoted-insert", rl_quoted_insert },
 122   { "re-read-init-file", rl_re_read_init_file },
 123   { "redraw-current-line", rl_refresh_line},
 124   { "reverse-search-history", rl_reverse_search_history },
 125   { "revert-line", rl_revert_line },
 126   { "self-insert", rl_insert },
 127   { "set-mark", rl_set_mark },
 128   { "skip-csi-sequence", rl_skip_csi_sequence },
 129   { "start-kbd-macro", rl_start_kbd_macro },
 130   { "tab-insert", rl_tab_insert },
 131   { "tilde-expand", rl_tilde_expand },
 132   { "transpose-chars", rl_transpose_chars },
 133   { "transpose-words", rl_transpose_words },
 134   { "tty-status", rl_tty_status },
 135   { "undo", rl_undo_command },
 136   { "universal-argument", rl_universal_argument },
 137   { "unix-filename-rubout", rl_unix_filename_rubout },
 138   { "unix-line-discard", rl_unix_line_discard },
 139   { "unix-word-rubout", rl_unix_word_rubout },
 140   { "upcase-word", rl_upcase_word },
 141   { "yank", rl_yank },
 142   { "yank-last-arg", rl_yank_last_arg },
 143   { "yank-nth-arg", rl_yank_nth_arg },
 144   { "yank-pop", rl_yank_pop },
 145
 146 #if defined (VI_MODE)
 147   { "vi-append-eol", rl_vi_append_eol },
 148   { "vi-append-mode", rl_vi_append_mode },
 149   { "vi-arg-digit", rl_vi_arg_digit },
 150   { "vi-back-to-indent", rl_vi_back_to_indent },
 151   { "vi-backward-bigword", rl_vi_bWord },
 152   { "vi-backward-word", rl_vi_bword },
 153   { "vi-bWord", rl_vi_bWord },
 154   { "vi-bword", rl_vi_bword },
 155   { "vi-change-case", rl_vi_change_case },
 156   { "vi-change-char", rl_vi_change_char },
 157   { "vi-change-to", rl_vi_change_to },
 158   { "vi-char-search", rl_vi_char_search },
 159   { "vi-column", rl_vi_column },
 160   { "vi-complete", rl_vi_complete },
 161   { "vi-delete", rl_vi_delete },
 162   { "vi-delete-to", rl_vi_delete_to },
 163   { "vi-eWord", rl_vi_eWord },
 164   { "vi-editing-mode", rl_vi_editing_mode },
 165   { "vi-end-bigword", rl_vi_eWord },
 166   { "vi-end-word", rl_vi_end_word },
 167   { "vi-eof-maybe", rl_vi_eof_maybe },
 168   { "vi-eword", rl_vi_eword },
 169   { "vi-fWord", rl_vi_fWord },
 170   { "vi-fetch-history", rl_vi_fetch_history },
 171   { "vi-first-print", rl_vi_first_print },
 172   { "vi-forward-bigword", rl_vi_fWord },
 173   { "vi-forward-word", rl_vi_fword },
 174   { "vi-fword", rl_vi_fword },
 175   { "vi-goto-mark", rl_vi_goto_mark },
 176   { "vi-insert-beg", rl_vi_insert_beg },
 177   { "vi-insertion-mode", rl_vi_insertion_mode },
 178   { "vi-match", rl_vi_match },
 179   { "vi-movement-mode", rl_vi_movement_mode },
 180   { "vi-next-word", rl_vi_next_word },
 181   { "vi-overstrike", rl_vi_overstrike },
 182   { "vi-overstrike-delete", rl_vi_overstrike_delete },
 183   { "vi-prev-word", rl_vi_prev_word },
 184   { "vi-put", rl_vi_put },
 185   { "vi-redo", rl_vi_redo },
 186   { "vi-replace", rl_vi_replace },
 187   { "vi-rubout", rl_vi_rubout },
 188   { "vi-search", rl_vi_search },
 189   { "vi-search-again", rl_vi_search_again },
 190   { "vi-set-mark", rl_vi_set_mark },
 191   { "vi-subst", rl_vi_subst },
 192   { "vi-tilde-expand", rl_vi_tilde_expand },
 193   { "vi-yank-arg", rl_vi_yank_arg },
 194   { "vi-yank-to", rl_vi_yank_to },
 195 #endif /* VI_MODE */
 196
 197  {(char *)NULL, (rl_command_func_t *)NULL }
 198 };
 199
 200 int
 201 rl_add_funmap_entry (name, function)
 202      const char *name;
 203      rl_command_func_t *function;
 204 {
 205   if (funmap_entry + 2 >= funmap_size)
 206     {
 207       funmap_size += 64;
 208       funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
 209     }
 210
 211   funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
 212   funmap[funmap_entry]->name = name;
 213   funmap[funmap_entry]->function = function;
 214
 215   funmap[++funmap_entry] = (FUNMAP *)NULL;
 216   return funmap_entry;
 217 }
 218
 219 static int funmap_initialized;
 220
 221 /* Make the funmap contain all of the default entries. */
 222 void
 223 rl_initialize_funmap ()
 224 {
 225   register int i;
 226
 227   if (funmap_initialized)
 228     return;
 229
 230   for (i = 0; default_funmap[i].name; i++)
 231     rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
 232
 233   funmap_initialized = 1;
 234   funmap_program_specific_entry_start = i;
 235 }
 236
 237 /* Produce a NULL terminated array of known function names.  The array
 238    is sorted.  The array itself is allocated, but not the strings inside.
 239    You should free () the array when you done, but not the pointrs. */
 240 const char **
 241 rl_funmap_names ()
 242 {
 243   const char **result;
 244   int result_size, result_index;
 245
 246   /* Make sure that the function map has been initialized. */
 247   rl_initialize_funmap ();
 248
 249   for (result_index = result_size = 0, result = (const char **)NULL; funmap[result_index]; result_index++)
 250     {
 251       if (result_index + 2 > result_size)
 252         {
 253           result_size += 20;
 254           result = (const char **)xrealloc (result, result_size * sizeof (char *));
 255         }
 256
 257       result[result_index] = funmap[result_index]->name;
 258       result[result_index + 1] = (char *)NULL;
 259     }
 260
 261   qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
 262   return (result);
 263 }