]>
Commit | Line | Data |
---|---|---|
726f6388 JA |
1 | /* bashline.c -- Bash's interface to the readline library. */ |
2 | ||
0628567a | 3 | /* Copyright (C) 1987-2006 Free Software Foundation, Inc. |
726f6388 JA |
4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
7 | Bash is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
bb70624e | 9 | the Free Software Foundation; either version 2, or (at your option) |
726f6388 JA |
10 | any later version. |
11 | ||
12 | Bash is distributed in the hope that it will be useful, but WITHOUT | |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 | License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with Bash; see the file COPYING. If not, write to the Free | |
bb70624e | 19 | Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
726f6388 | 20 | |
ccc6cda3 JA |
21 | #include "config.h" |
22 | ||
23 | #if defined (READLINE) | |
24 | ||
726f6388 JA |
25 | #include "bashtypes.h" |
26 | #include "posixstat.h" | |
27 | ||
ccc6cda3 JA |
28 | #if defined (HAVE_UNISTD_H) |
29 | # include <unistd.h> | |
30 | #endif | |
31 | ||
f73dda09 JA |
32 | #if defined (HAVE_GRP_H) |
33 | # include <grp.h> | |
34 | #endif | |
35 | ||
7117c2d2 JA |
36 | #if defined (HAVE_NETDB_H) |
37 | # include <netdb.h> | |
38 | #endif | |
39 | ||
726f6388 | 40 | #include <stdio.h> |
f73dda09 | 41 | #include "chartypes.h" |
726f6388 | 42 | #include "bashansi.h" |
b80f6443 JA |
43 | #include "bashintl.h" |
44 | ||
726f6388 | 45 | #include "shell.h" |
7117c2d2 | 46 | #include "input.h" |
726f6388 | 47 | #include "builtins.h" |
726f6388 | 48 | #include "bashhist.h" |
ccc6cda3 | 49 | #include "bashline.h" |
726f6388 | 50 | #include "execute_cmd.h" |
cce855bc | 51 | #include "findcmd.h" |
ccc6cda3 JA |
52 | #include "pathexp.h" |
53 | #include "builtins/common.h" | |
54 | #include <readline/rlconf.h> | |
55 | #include <readline/readline.h> | |
56 | #include <readline/history.h> | |
57 | ||
58 | #include <glob/glob.h> | |
726f6388 JA |
59 | |
60 | #if defined (ALIAS) | |
61 | # include "alias.h" | |
62 | #endif | |
63 | ||
bb70624e JA |
64 | #if defined (PROGRAMMABLE_COMPLETION) |
65 | # include "pcomplete.h" | |
66 | #endif | |
67 | ||
7117c2d2 JA |
68 | /* These should agree with the defines for emacs_mode and vi_mode in |
69 | rldefs.h, even though that's not a public readline header file. */ | |
70 | #ifndef EMACS_EDITING_MODE | |
71 | # define NO_EDITING_MODE -1 | |
72 | # define EMACS_EDITING_MODE 1 | |
73 | # define VI_EDITING_MODE 0 | |
74 | #endif | |
75 | ||
726f6388 | 76 | #if defined (BRACE_COMPLETION) |
28ef6c31 | 77 | extern int bash_brace_completion __P((int, int)); |
726f6388 JA |
78 | #endif /* BRACE_COMPLETION */ |
79 | ||
28ef6c31 JA |
80 | /* Forward declarations */ |
81 | ||
726f6388 | 82 | /* Functions bound to keys in Readline for Bash users. */ |
28ef6c31 JA |
83 | static int shell_expand_line __P((int, int)); |
84 | static int display_shell_version __P((int, int)); | |
85 | static int operate_and_get_next __P((int, int)); | |
86 | ||
87 | static int bash_ignore_filenames __P((char **)); | |
88 | static int bash_ignore_everything __P((char **)); | |
89 | ||
cce855bc | 90 | #if defined (BANG_HISTORY) |
f73dda09 | 91 | static char *history_expand_line_internal __P((char *)); |
28ef6c31 JA |
92 | static int history_expand_line __P((int, int)); |
93 | static int tcsh_magic_space __P((int, int)); | |
cce855bc | 94 | #endif /* BANG_HISTORY */ |
d166f048 | 95 | #ifdef ALIAS |
28ef6c31 | 96 | static int alias_expand_line __P((int, int)); |
cce855bc JA |
97 | #endif |
98 | #if defined (BANG_HISTORY) && defined (ALIAS) | |
28ef6c31 | 99 | static int history_and_alias_expand_line __P((int, int)); |
d166f048 | 100 | #endif |
726f6388 JA |
101 | |
102 | /* Helper functions for Readline. */ | |
95732b49 | 103 | static void bash_directory_expansion __P((char **)); |
f73dda09 JA |
104 | static int bash_directory_completion_hook __P((char **)); |
105 | static int filename_completion_ignore __P((char **)); | |
28ef6c31 | 106 | static int bash_push_line __P((void)); |
726f6388 | 107 | |
f73dda09 JA |
108 | static void cleanup_expansion_error __P((void)); |
109 | static void maybe_make_readline_line __P((char *)); | |
110 | static void set_up_new_line __P((char *)); | |
111 | ||
112 | static int check_redir __P((int)); | |
28ef6c31 JA |
113 | static char **attempt_shell_completion __P((const char *, int, int)); |
114 | static char *variable_completion_function __P((const char *, int)); | |
115 | static char *hostname_completion_function __P((const char *, int)); | |
116 | static char *command_subst_completion_function __P((const char *, int)); | |
ccc6cda3 | 117 | |
f73dda09 JA |
118 | static void build_history_completion_array __P((void)); |
119 | static char *history_completion_generator __P((const char *, int)); | |
28ef6c31 | 120 | static int dynamic_complete_history __P((int, int)); |
726f6388 | 121 | |
f73dda09 | 122 | static void initialize_hostname_list __P((void)); |
28ef6c31 | 123 | static void add_host_name __P((char *)); |
f73dda09 JA |
124 | static void snarf_hosts_from_file __P((char *)); |
125 | static char **hostnames_matching __P((char *)); | |
126 | ||
127 | static void _ignore_completion_names __P((char **, sh_ignore_func_t *)); | |
128 | static int name_is_acceptable __P((const char *)); | |
129 | static int test_for_directory __P((const char *)); | |
130 | static int return_zero __P((const char *)); | |
28ef6c31 JA |
131 | |
132 | static char *bash_dequote_filename __P((char *, int)); | |
f73dda09 | 133 | static char *quote_word_break_chars __P((char *)); |
28ef6c31 | 134 | static char *bash_quote_filename __P((char *, int, char *)); |
ccc6cda3 | 135 | |
f73dda09 JA |
136 | static int bash_execute_unix_command __P((int, int)); |
137 | static void init_unix_command_map __P((void)); | |
138 | static int isolate_sequence __P((char *, int, int, int *)); | |
139 | ||
140 | static int set_saved_history __P((void)); | |
141 | ||
ccc6cda3 | 142 | #if defined (ALIAS) |
28ef6c31 | 143 | static int posix_edit_macros __P((int, int)); |
ccc6cda3 | 144 | #endif |
726f6388 | 145 | |
bb70624e | 146 | #if defined (PROGRAMMABLE_COMPLETION) |
f73dda09 JA |
147 | static int find_cmd_start __P((int)); |
148 | static int find_cmd_end __P((int)); | |
149 | static char *find_cmd_name __P((int)); | |
150 | static char *prog_complete_return __P((const char *, int)); | |
151 | ||
bb70624e | 152 | static char **prog_complete_matches; |
bb70624e JA |
153 | #endif |
154 | ||
726f6388 | 155 | /* Variables used here but defined in other files. */ |
b80f6443 JA |
156 | #if defined (BANG_HISTORY) |
157 | extern int hist_verify; | |
158 | #endif | |
159 | ||
160 | extern int current_command_line_count, last_command_exit_value; | |
726f6388 | 161 | extern int posixly_correct, no_symbolic_links; |
726f6388 JA |
162 | extern char *current_prompt_string, *ps1_prompt; |
163 | extern STRING_INT_ALIST word_token_alist[]; | |
b80f6443 | 164 | extern sh_builtin_func_t *last_shell_builtin, *this_shell_builtin; |
726f6388 JA |
165 | |
166 | /* SPECIFIC_COMPLETION_FUNCTIONS specifies that we have individual | |
167 | completion functions which indicate what type of completion should be | |
168 | done (at or before point) that can be bound to key sequences with | |
169 | the readline library. */ | |
170 | #define SPECIFIC_COMPLETION_FUNCTIONS | |
171 | ||
172 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
28ef6c31 JA |
173 | static int bash_specific_completion __P((int, rl_compentry_func_t *)); |
174 | ||
175 | static int bash_complete_filename_internal __P((int)); | |
176 | static int bash_complete_username_internal __P((int)); | |
177 | static int bash_complete_hostname_internal __P((int)); | |
178 | static int bash_complete_variable_internal __P((int)); | |
179 | static int bash_complete_command_internal __P((int)); | |
180 | ||
181 | static int bash_complete_filename __P((int, int)); | |
182 | static int bash_possible_filename_completions __P((int, int)); | |
183 | static int bash_complete_username __P((int, int)); | |
184 | static int bash_possible_username_completions __P((int, int)); | |
185 | static int bash_complete_hostname __P((int, int)); | |
186 | static int bash_possible_hostname_completions __P((int, int)); | |
187 | static int bash_complete_variable __P((int, int)); | |
188 | static int bash_possible_variable_completions __P((int, int)); | |
189 | static int bash_complete_command __P((int, int)); | |
190 | static int bash_possible_command_completions __P((int, int)); | |
f73dda09 JA |
191 | |
192 | static char *glob_complete_word __P((const char *, int)); | |
193 | static int bash_glob_completion_internal __P((int)); | |
7117c2d2 | 194 | static int bash_glob_complete_word __P((int, int)); |
f73dda09 JA |
195 | static int bash_glob_expand_word __P((int, int)); |
196 | static int bash_glob_list_expansions __P((int, int)); | |
b80f6443 | 197 | |
726f6388 JA |
198 | #endif /* SPECIFIC_COMPLETION_FUNCTIONS */ |
199 | ||
7117c2d2 | 200 | static int edit_and_execute_command __P((int, int, int, char *)); |
726f6388 | 201 | #if defined (VI_MODE) |
28ef6c31 | 202 | static int vi_edit_and_execute_command __P((int, int)); |
b80f6443 | 203 | static int bash_vi_complete __P((int, int)); |
726f6388 | 204 | #endif |
7117c2d2 | 205 | static int emacs_edit_and_execute_command __P((int, int)); |
726f6388 | 206 | |
ccc6cda3 JA |
207 | /* Non-zero once initalize_readline () has been called. */ |
208 | int bash_readline_initialized = 0; | |
209 | ||
210 | /* If non-zero, we do hostname completion, breaking words at `@' and | |
211 | trying to complete the stuff after the `@' from our own internal | |
212 | host list. */ | |
213 | int perform_hostname_completion = 1; | |
214 | ||
bb70624e JA |
215 | /* If non-zero, we don't do command completion on an empty line. */ |
216 | int no_empty_command_completion; | |
217 | ||
b80f6443 JA |
218 | /* Set FORCE_FIGNORE if you want to honor FIGNORE even if it ignores the |
219 | only possible matches. Set to 0 if you want to match filenames if they | |
220 | are the only possible matches, even if FIGNORE says to. */ | |
221 | int force_fignore = 1; | |
222 | ||
ccc6cda3 JA |
223 | static char *bash_completer_word_break_characters = " \t\n\"'@><=;|&(:"; |
224 | static char *bash_nohostname_word_break_characters = " \t\n\"'><=;|&(:"; | |
b80f6443 | 225 | /* )) */ |
ccc6cda3 | 226 | |
28ef6c31 | 227 | static rl_hook_func_t *old_rl_startup_hook = (rl_hook_func_t *)NULL; |
726f6388 | 228 | |
95732b49 JA |
229 | static int dot_in_path = 0; |
230 | ||
ccc6cda3 JA |
231 | /* What kind of quoting is performed by bash_quote_filename: |
232 | COMPLETE_DQUOTE = double-quoting the filename | |
233 | COMPLETE_SQUOTE = single_quoting the filename | |
234 | COMPLETE_BSQUOTE = backslash-quoting special chars in the filename | |
235 | */ | |
236 | #define COMPLETE_DQUOTE 1 | |
237 | #define COMPLETE_SQUOTE 2 | |
238 | #define COMPLETE_BSQUOTE 3 | |
239 | static int completion_quoting_style = COMPLETE_BSQUOTE; | |
240 | ||
0628567a JA |
241 | /* Flag values for the final argument to bash_default_completion */ |
242 | #define DEFCOMP_CMDPOS 1 | |
243 | ||
726f6388 JA |
244 | /* Change the readline VI-mode keymaps into or out of Posix.2 compliance. |
245 | Called when the shell is put into or out of `posix' mode. */ | |
246 | void | |
247 | posix_readline_initialize (on_or_off) | |
248 | int on_or_off; | |
249 | { | |
ccc6cda3 JA |
250 | if (on_or_off) |
251 | rl_variable_bind ("comment-begin", "#"); | |
726f6388 | 252 | #if defined (VI_MODE) |
7117c2d2 | 253 | rl_bind_key_in_map (CTRL ('I'), on_or_off ? rl_insert : rl_complete, vi_insertion_keymap); |
ccc6cda3 JA |
254 | #endif |
255 | } | |
256 | ||
b80f6443 JA |
257 | /* When this function returns, rl_completer_word_break_characters points to |
258 | dynamically allocated memory. */ | |
f73dda09 | 259 | int |
ccc6cda3 JA |
260 | enable_hostname_completion (on_or_off) |
261 | int on_or_off; | |
262 | { | |
f73dda09 | 263 | int old_value; |
b80f6443 | 264 | char *at, *nv, *nval; |
f73dda09 JA |
265 | |
266 | old_value = perform_hostname_completion; | |
267 | ||
726f6388 JA |
268 | if (on_or_off) |
269 | { | |
ccc6cda3 JA |
270 | perform_hostname_completion = 1; |
271 | rl_special_prefixes = "$@"; | |
726f6388 JA |
272 | } |
273 | else | |
ccc6cda3 JA |
274 | { |
275 | perform_hostname_completion = 0; | |
276 | rl_special_prefixes = "$"; | |
b80f6443 JA |
277 | } |
278 | ||
279 | /* Now we need to figure out how to appropriately modify and assign | |
280 | rl_completer_word_break_characters depending on whether we want | |
281 | hostname completion on or off. */ | |
282 | ||
283 | /* If this is the first time this has been called | |
284 | (bash_readline_initialized == 0), use the sames values as before, but | |
285 | allocate new memory for rl_completer_word_break_characters. */ | |
286 | ||
287 | if (bash_readline_initialized == 0 && | |
288 | (rl_completer_word_break_characters == 0 || | |
289 | rl_completer_word_break_characters == rl_basic_word_break_characters)) | |
290 | { | |
291 | if (on_or_off) | |
292 | rl_completer_word_break_characters = savestring (bash_completer_word_break_characters); | |
293 | else | |
294 | rl_completer_word_break_characters = savestring (bash_nohostname_word_break_characters); | |
295 | } | |
296 | else | |
297 | { | |
298 | /* See if we have anything to do. */ | |
299 | at = strchr (rl_completer_word_break_characters, '@'); | |
300 | if ((at == 0 && on_or_off == 0) || (at != 0 && on_or_off != 0)) | |
eb873671 | 301 | return old_value; |
b80f6443 JA |
302 | |
303 | /* We have something to do. Do it. */ | |
304 | nval = (char *)xmalloc (strlen (rl_completer_word_break_characters) + 1 + on_or_off); | |
305 | ||
306 | if (on_or_off == 0) | |
307 | { | |
308 | /* Turn it off -- just remove `@' from word break chars. We want | |
309 | to remove all occurrences of `@' from the char list, so we loop | |
310 | rather than just copy the rest of the list over AT. */ | |
311 | for (nv = nval, at = rl_completer_word_break_characters; *at; ) | |
312 | if (*at != '@') | |
313 | *nv++ = *at++; | |
314 | else | |
315 | at++; | |
316 | *nv = '\0'; | |
317 | } | |
318 | else | |
319 | { | |
320 | nval[0] = '@'; | |
321 | strcpy (nval + 1, rl_completer_word_break_characters); | |
322 | } | |
323 | ||
324 | free (rl_completer_word_break_characters); | |
325 | rl_completer_word_break_characters = nval; | |
ccc6cda3 | 326 | } |
f73dda09 JA |
327 | |
328 | return (old_value); | |
ccc6cda3 | 329 | } |
726f6388 JA |
330 | |
331 | /* Called once from parse.y if we are going to use readline. */ | |
332 | void | |
333 | initialize_readline () | |
334 | { | |
b80f6443 JA |
335 | rl_command_func_t *func; |
336 | char kseq[2]; | |
337 | ||
726f6388 JA |
338 | if (bash_readline_initialized) |
339 | return; | |
340 | ||
341 | rl_terminal_name = get_string_value ("TERM"); | |
342 | rl_instream = stdin; | |
343 | rl_outstream = stderr; | |
726f6388 JA |
344 | |
345 | /* Allow conditional parsing of the ~/.inputrc file. */ | |
346 | rl_readline_name = "Bash"; | |
347 | ||
28ef6c31 JA |
348 | /* Add bindable names before calling rl_initialize so they may be |
349 | referenced in the various inputrc files. */ | |
350 | rl_add_defun ("shell-expand-line", shell_expand_line, -1); | |
cce855bc | 351 | #ifdef BANG_HISTORY |
28ef6c31 JA |
352 | rl_add_defun ("history-expand-line", history_expand_line, -1); |
353 | rl_add_defun ("magic-space", tcsh_magic_space, -1); | |
cce855bc JA |
354 | #endif |
355 | ||
d166f048 | 356 | #ifdef ALIAS |
28ef6c31 | 357 | rl_add_defun ("alias-expand-line", alias_expand_line, -1); |
bc4cd23c | 358 | # ifdef BANG_HISTORY |
28ef6c31 | 359 | rl_add_defun ("history-and-alias-expand-line", history_and_alias_expand_line, -1); |
bc4cd23c | 360 | # endif |
d166f048 JA |
361 | #endif |
362 | ||
726f6388 JA |
363 | /* Backwards compatibility. */ |
364 | rl_add_defun ("insert-last-argument", rl_yank_last_arg, -1); | |
365 | ||
28ef6c31 JA |
366 | rl_add_defun ("operate-and-get-next", operate_and_get_next, -1); |
367 | rl_add_defun ("display-shell-version", display_shell_version, -1); | |
7117c2d2 | 368 | rl_add_defun ("edit-and-execute-command", emacs_edit_and_execute_command, -1); |
28ef6c31 JA |
369 | |
370 | #if defined (BRACE_COMPLETION) | |
371 | rl_add_defun ("complete-into-braces", bash_brace_completion, -1); | |
372 | #endif | |
373 | ||
374 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
375 | rl_add_defun ("complete-filename", bash_complete_filename, -1); | |
376 | rl_add_defun ("possible-filename-completions", bash_possible_filename_completions, -1); | |
377 | rl_add_defun ("complete-username", bash_complete_username, -1); | |
378 | rl_add_defun ("possible-username-completions", bash_possible_username_completions, -1); | |
379 | rl_add_defun ("complete-hostname", bash_complete_hostname, -1); | |
380 | rl_add_defun ("possible-hostname-completions", bash_possible_hostname_completions, -1); | |
381 | rl_add_defun ("complete-variable", bash_complete_variable, -1); | |
382 | rl_add_defun ("possible-variable-completions", bash_possible_variable_completions, -1); | |
383 | rl_add_defun ("complete-command", bash_complete_command, -1); | |
384 | rl_add_defun ("possible-command-completions", bash_possible_command_completions, -1); | |
7117c2d2 | 385 | rl_add_defun ("glob-complete-word", bash_glob_complete_word, -1); |
28ef6c31 JA |
386 | rl_add_defun ("glob-expand-word", bash_glob_expand_word, -1); |
387 | rl_add_defun ("glob-list-expansions", bash_glob_list_expansions, -1); | |
388 | #endif | |
389 | ||
390 | rl_add_defun ("dynamic-complete-history", dynamic_complete_history, -1); | |
726f6388 | 391 | |
28ef6c31 JA |
392 | /* Bind defaults before binding our custom shell keybindings. */ |
393 | if (RL_ISSTATE(RL_STATE_INITIALIZED) == 0) | |
394 | rl_initialize (); | |
395 | ||
396 | /* Bind up our special shell functions. */ | |
b80f6443 | 397 | rl_bind_key_if_unbound_in_map (CTRL('E'), shell_expand_line, emacs_meta_keymap); |
28ef6c31 | 398 | |
28ef6c31 | 399 | #ifdef BANG_HISTORY |
b80f6443 | 400 | rl_bind_key_if_unbound_in_map ('^', history_expand_line, emacs_meta_keymap); |
28ef6c31 JA |
401 | #endif |
402 | ||
b80f6443 JA |
403 | rl_bind_key_if_unbound_in_map (CTRL ('O'), operate_and_get_next, emacs_standard_keymap); |
404 | rl_bind_key_if_unbound_in_map (CTRL ('V'), display_shell_version, emacs_ctlx_keymap); | |
726f6388 JA |
405 | |
406 | /* In Bash, the user can switch editing modes with "set -o [vi emacs]", | |
407 | so it is not necessary to allow C-M-j for context switching. Turn | |
408 | off this occasionally confusing behaviour. */ | |
b80f6443 JA |
409 | kseq[0] = CTRL('J'); |
410 | kseq[1] = '\0'; | |
411 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
412 | if (func == rl_vi_editing_mode) | |
413 | rl_unbind_key_in_map (CTRL('J'), emacs_meta_keymap); | |
414 | kseq[0] = CTRL('M'); | |
415 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
416 | if (func == rl_vi_editing_mode) | |
417 | rl_unbind_key_in_map (CTRL('M'), emacs_meta_keymap); | |
726f6388 JA |
418 | #if defined (VI_MODE) |
419 | rl_unbind_key_in_map (CTRL('E'), vi_movement_keymap); | |
420 | #endif | |
ccc6cda3 | 421 | |
726f6388 | 422 | #if defined (BRACE_COMPLETION) |
b80f6443 | 423 | rl_bind_key_if_unbound_in_map ('{', bash_brace_completion, emacs_meta_keymap); /*}*/ |
726f6388 JA |
424 | #endif /* BRACE_COMPLETION */ |
425 | ||
426 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
b80f6443 JA |
427 | rl_bind_key_if_unbound_in_map ('/', bash_complete_filename, emacs_meta_keymap); |
428 | rl_bind_key_if_unbound_in_map ('/', bash_possible_filename_completions, emacs_ctlx_keymap); | |
28ef6c31 | 429 | |
b80f6443 JA |
430 | /* Have to jump through hoops here because there is a default binding for |
431 | M-~ (rl_tilde_expand) */ | |
432 | kseq[0] = '~'; | |
433 | kseq[1] = '\0'; | |
434 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
435 | if (func == 0 || func == rl_tilde_expand) | |
436 | rl_bind_keyseq_in_map (kseq, bash_complete_username, emacs_meta_keymap); | |
28ef6c31 | 437 | |
b80f6443 | 438 | rl_bind_key_if_unbound_in_map ('~', bash_possible_username_completions, emacs_ctlx_keymap); |
28ef6c31 | 439 | |
b80f6443 JA |
440 | rl_bind_key_if_unbound_in_map ('@', bash_complete_hostname, emacs_meta_keymap); |
441 | rl_bind_key_if_unbound_in_map ('@', bash_possible_hostname_completions, emacs_ctlx_keymap); | |
28ef6c31 | 442 | |
b80f6443 JA |
443 | rl_bind_key_if_unbound_in_map ('$', bash_complete_variable, emacs_meta_keymap); |
444 | rl_bind_key_if_unbound_in_map ('$', bash_possible_variable_completions, emacs_ctlx_keymap); | |
28ef6c31 | 445 | |
b80f6443 JA |
446 | rl_bind_key_if_unbound_in_map ('!', bash_complete_command, emacs_meta_keymap); |
447 | rl_bind_key_if_unbound_in_map ('!', bash_possible_command_completions, emacs_ctlx_keymap); | |
448 | ||
449 | rl_bind_key_if_unbound_in_map ('g', bash_glob_complete_word, emacs_meta_keymap); | |
450 | rl_bind_key_if_unbound_in_map ('*', bash_glob_expand_word, emacs_ctlx_keymap); | |
451 | rl_bind_key_if_unbound_in_map ('g', bash_glob_list_expansions, emacs_ctlx_keymap); | |
726f6388 JA |
452 | |
453 | #endif /* SPECIFIC_COMPLETION_FUNCTIONS */ | |
454 | ||
95732b49 JA |
455 | kseq[0] = TAB; |
456 | kseq[1] = '\0'; | |
457 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
458 | if (func == 0 || func == rl_tab_insert) | |
459 | rl_bind_key_in_map (TAB, dynamic_complete_history, emacs_meta_keymap); | |
726f6388 JA |
460 | |
461 | /* Tell the completer that we want a crack first. */ | |
28ef6c31 | 462 | rl_attempted_completion_function = attempt_shell_completion; |
726f6388 JA |
463 | |
464 | /* Tell the completer that we might want to follow symbolic links or | |
465 | do other expansion on directory names. */ | |
466 | rl_directory_completion_hook = bash_directory_completion_hook; | |
467 | ||
468 | /* Tell the filename completer we want a chance to ignore some names. */ | |
28ef6c31 | 469 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 | 470 | |
7117c2d2 | 471 | /* Bind C-xC-e to invoke emacs and run result as commands. */ |
b80f6443 | 472 | rl_bind_key_if_unbound_in_map (CTRL ('E'), emacs_edit_and_execute_command, emacs_ctlx_keymap); |
726f6388 | 473 | #if defined (VI_MODE) |
b80f6443 | 474 | rl_bind_key_if_unbound_in_map ('v', vi_edit_and_execute_command, vi_movement_keymap); |
ccc6cda3 | 475 | # if defined (ALIAS) |
b80f6443 | 476 | rl_bind_key_if_unbound_in_map ('@', posix_edit_macros, vi_movement_keymap); |
ccc6cda3 | 477 | # endif |
b80f6443 JA |
478 | |
479 | rl_bind_key_in_map ('\\', bash_vi_complete, vi_movement_keymap); | |
480 | rl_bind_key_in_map ('*', bash_vi_complete, vi_movement_keymap); | |
481 | rl_bind_key_in_map ('=', bash_vi_complete, vi_movement_keymap); | |
726f6388 JA |
482 | #endif |
483 | ||
484 | rl_completer_quote_characters = "'\""; | |
ccc6cda3 JA |
485 | |
486 | /* This sets rl_completer_word_break_characters and rl_special_prefixes | |
487 | to the appropriate values, depending on whether or not hostname | |
488 | completion is enabled. */ | |
489 | enable_hostname_completion (perform_hostname_completion); | |
490 | ||
491 | /* characters that need to be quoted when appearing in filenames. */ | |
28ef6c31 | 492 | rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{"; /*}*/ |
ccc6cda3 JA |
493 | rl_filename_quoting_function = bash_quote_filename; |
494 | rl_filename_dequoting_function = bash_dequote_filename; | |
495 | rl_char_is_quoted_p = char_is_quoted; | |
726f6388 | 496 | |
7117c2d2 JA |
497 | #if 0 |
498 | /* This is superfluous and makes it impossible to use tab completion in | |
499 | vi mode even when explicitly binding it in ~/.inputrc. sv_strict_posix() | |
500 | should already have called posix_readline_initialize() when | |
501 | posixly_correct was set. */ | |
726f6388 JA |
502 | if (posixly_correct) |
503 | posix_readline_initialize (1); | |
7117c2d2 | 504 | #endif |
726f6388 JA |
505 | |
506 | bash_readline_initialized = 1; | |
507 | } | |
508 | ||
509 | /* On Sun systems at least, rl_attempted_completion_function can end up | |
510 | getting set to NULL, and rl_completion_entry_function set to do command | |
511 | word completion if Bash is interrupted while trying to complete a command | |
512 | word. This just resets all the completion functions to the right thing. | |
513 | It's called from throw_to_top_level(). */ | |
514 | void | |
515 | bashline_reinitialize () | |
516 | { | |
517 | tilde_initialize (); | |
518 | rl_attempted_completion_function = attempt_shell_completion; | |
28ef6c31 | 519 | rl_completion_entry_function = NULL; |
726f6388 | 520 | rl_directory_completion_hook = bash_directory_completion_hook; |
28ef6c31 | 521 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 JA |
522 | } |
523 | ||
524 | /* Contains the line to push into readline. */ | |
525 | static char *push_to_readline = (char *)NULL; | |
526 | ||
527 | /* Push the contents of push_to_readline into the | |
528 | readline buffer. */ | |
28ef6c31 | 529 | static int |
726f6388 JA |
530 | bash_push_line () |
531 | { | |
532 | if (push_to_readline) | |
533 | { | |
534 | rl_insert_text (push_to_readline); | |
535 | free (push_to_readline); | |
536 | push_to_readline = (char *)NULL; | |
537 | rl_startup_hook = old_rl_startup_hook; | |
538 | } | |
28ef6c31 | 539 | return 0; |
726f6388 JA |
540 | } |
541 | ||
542 | /* Call this to set the initial text for the next line to read | |
543 | from readline. */ | |
544 | int | |
545 | bash_re_edit (line) | |
546 | char *line; | |
547 | { | |
ccc6cda3 | 548 | FREE (push_to_readline); |
726f6388 JA |
549 | |
550 | push_to_readline = savestring (line); | |
551 | old_rl_startup_hook = rl_startup_hook; | |
28ef6c31 | 552 | rl_startup_hook = bash_push_line; |
726f6388 JA |
553 | |
554 | return (0); | |
555 | } | |
556 | ||
28ef6c31 | 557 | static int |
726f6388 JA |
558 | display_shell_version (count, c) |
559 | int count, c; | |
560 | { | |
28ef6c31 | 561 | rl_crlf (); |
ccc6cda3 | 562 | show_shell_version (0); |
726f6388 JA |
563 | putc ('\r', rl_outstream); |
564 | fflush (rl_outstream); | |
565 | rl_on_new_line (); | |
566 | rl_redisplay (); | |
28ef6c31 | 567 | return 0; |
726f6388 JA |
568 | } |
569 | ||
570 | /* **************************************************************** */ | |
571 | /* */ | |
572 | /* Readline Stuff */ | |
573 | /* */ | |
574 | /* **************************************************************** */ | |
575 | ||
576 | /* If the user requests hostname completion, then simply build a list | |
bb70624e JA |
577 | of hosts, and complete from that forever more, or at least until |
578 | HOSTFILE is unset. */ | |
726f6388 | 579 | |
bb70624e | 580 | /* THIS SHOULD BE A STRINGLIST. */ |
726f6388 JA |
581 | /* The kept list of hostnames. */ |
582 | static char **hostname_list = (char **)NULL; | |
583 | ||
584 | /* The physical size of the above list. */ | |
ccc6cda3 | 585 | static int hostname_list_size; |
726f6388 | 586 | |
ccc6cda3 JA |
587 | /* The number of hostnames in the above list. */ |
588 | static int hostname_list_length; | |
726f6388 JA |
589 | |
590 | /* Whether or not HOSTNAME_LIST has been initialized. */ | |
591 | int hostname_list_initialized = 0; | |
592 | ||
726f6388 JA |
593 | /* Initialize the hostname completion table. */ |
594 | static void | |
595 | initialize_hostname_list () | |
596 | { | |
597 | char *temp; | |
598 | ||
599 | temp = get_string_value ("HOSTFILE"); | |
ccc6cda3 | 600 | if (temp == 0) |
726f6388 | 601 | temp = get_string_value ("hostname_completion_file"); |
ccc6cda3 JA |
602 | if (temp == 0) |
603 | temp = DEFAULT_HOSTS_FILE; | |
726f6388 JA |
604 | |
605 | snarf_hosts_from_file (temp); | |
726f6388 JA |
606 | |
607 | if (hostname_list) | |
608 | hostname_list_initialized++; | |
609 | } | |
610 | ||
611 | /* Add NAME to the list of hosts. */ | |
612 | static void | |
613 | add_host_name (name) | |
614 | char *name; | |
615 | { | |
616 | if (hostname_list_length + 2 > hostname_list_size) | |
617 | { | |
ccc6cda3 | 618 | hostname_list_size = (hostname_list_size + 32) - (hostname_list_size % 32); |
7117c2d2 | 619 | hostname_list = strvec_resize (hostname_list, hostname_list_size); |
726f6388 JA |
620 | } |
621 | ||
ccc6cda3 JA |
622 | hostname_list[hostname_list_length++] = savestring (name); |
623 | hostname_list[hostname_list_length] = (char *)NULL; | |
726f6388 JA |
624 | } |
625 | ||
626 | #define cr_whitespace(c) ((c) == '\r' || (c) == '\n' || whitespace(c)) | |
627 | ||
628 | static void | |
629 | snarf_hosts_from_file (filename) | |
630 | char *filename; | |
631 | { | |
ccc6cda3 | 632 | FILE *file; |
726f6388 JA |
633 | char *temp, buffer[256], name[256]; |
634 | register int i, start; | |
635 | ||
ccc6cda3 JA |
636 | file = fopen (filename, "r"); |
637 | if (file == 0) | |
726f6388 JA |
638 | return; |
639 | ||
640 | while (temp = fgets (buffer, 255, file)) | |
641 | { | |
642 | /* Skip to first character. */ | |
ccc6cda3 JA |
643 | for (i = 0; buffer[i] && cr_whitespace (buffer[i]); i++) |
644 | ; | |
726f6388 | 645 | |
ccc6cda3 JA |
646 | /* If comment or blank line, ignore. */ |
647 | if (buffer[i] == '\0' || buffer[i] == '#') | |
726f6388 JA |
648 | continue; |
649 | ||
650 | /* If `preprocessor' directive, do the include. */ | |
ccc6cda3 | 651 | if (strncmp (buffer + i, "$include ", 9) == 0) |
726f6388 | 652 | { |
ccc6cda3 | 653 | char *incfile, *t; |
726f6388 JA |
654 | |
655 | /* Find start of filename. */ | |
ccc6cda3 JA |
656 | for (incfile = buffer + i + 9; *incfile && whitespace (*incfile); incfile++) |
657 | ; | |
726f6388 JA |
658 | |
659 | /* Find end of filename. */ | |
ccc6cda3 JA |
660 | for (t = incfile; *t && cr_whitespace (*t) == 0; t++) |
661 | ; | |
726f6388 JA |
662 | |
663 | *t = '\0'; | |
664 | ||
ccc6cda3 | 665 | snarf_hosts_from_file (incfile); |
726f6388 JA |
666 | continue; |
667 | } | |
668 | ||
ccc6cda3 | 669 | /* Skip internet address if present. */ |
f73dda09 | 670 | if (DIGIT (buffer[i])) |
ccc6cda3 | 671 | for (; buffer[i] && cr_whitespace (buffer[i]) == 0; i++); |
726f6388 JA |
672 | |
673 | /* Gobble up names. Each name is separated with whitespace. */ | |
ccc6cda3 | 674 | while (buffer[i]) |
726f6388 | 675 | { |
ccc6cda3 JA |
676 | for (; cr_whitespace (buffer[i]); i++) |
677 | ; | |
678 | if (buffer[i] == '\0' || buffer[i] == '#') | |
679 | break; | |
680 | ||
681 | /* Isolate the current word. */ | |
682 | for (start = i; buffer[i] && cr_whitespace (buffer[i]) == 0; i++) | |
683 | ; | |
684 | if (i == start) | |
726f6388 JA |
685 | continue; |
686 | strncpy (name, buffer + start, i - start); | |
687 | name[i - start] = '\0'; | |
688 | add_host_name (name); | |
689 | } | |
690 | } | |
691 | fclose (file); | |
692 | } | |
693 | ||
bb70624e JA |
694 | /* Return the hostname list. */ |
695 | char ** | |
696 | get_hostname_list () | |
697 | { | |
698 | if (hostname_list_initialized == 0) | |
699 | initialize_hostname_list (); | |
700 | return (hostname_list); | |
701 | } | |
702 | ||
703 | void | |
704 | clear_hostname_list () | |
705 | { | |
706 | register int i; | |
707 | ||
708 | if (hostname_list_initialized == 0) | |
709 | return; | |
710 | for (i = 0; i < hostname_list_length; i++) | |
711 | free (hostname_list[i]); | |
712 | hostname_list_length = 0; | |
713 | } | |
714 | ||
726f6388 JA |
715 | /* Return a NULL terminated list of hostnames which begin with TEXT. |
716 | Initialize the hostname list the first time if neccessary. | |
717 | The array is malloc ()'ed, but not the individual strings. */ | |
718 | static char ** | |
719 | hostnames_matching (text) | |
720 | char *text; | |
721 | { | |
ccc6cda3 JA |
722 | register int i, len, nmatch, rsize; |
723 | char **result; | |
726f6388 | 724 | |
ccc6cda3 JA |
725 | if (hostname_list_initialized == 0) |
726 | initialize_hostname_list (); | |
726f6388 | 727 | |
ccc6cda3 JA |
728 | if (hostname_list_initialized == 0) |
729 | return ((char **)NULL); | |
726f6388 JA |
730 | |
731 | /* Special case. If TEXT consists of nothing, then the whole list is | |
732 | what is desired. */ | |
ccc6cda3 | 733 | if (*text == '\0') |
726f6388 | 734 | { |
7117c2d2 | 735 | result = strvec_create (1 + hostname_list_length); |
726f6388 JA |
736 | for (i = 0; i < hostname_list_length; i++) |
737 | result[i] = hostname_list[i]; | |
738 | result[i] = (char *)NULL; | |
739 | return (result); | |
740 | } | |
741 | ||
742 | /* Scan until found, or failure. */ | |
ccc6cda3 JA |
743 | len = strlen (text); |
744 | result = (char **)NULL; | |
745 | for (i = nmatch = rsize = 0; i < hostname_list_length; i++) | |
726f6388 | 746 | { |
ccc6cda3 | 747 | if (STREQN (text, hostname_list[i], len) == 0) |
28ef6c31 | 748 | continue; |
726f6388 | 749 | |
ccc6cda3 | 750 | /* OK, it matches. Add it to the list. */ |
bc4cd23c | 751 | if (nmatch >= (rsize - 1)) |
726f6388 | 752 | { |
ccc6cda3 | 753 | rsize = (rsize + 16) - (rsize % 16); |
7117c2d2 | 754 | result = strvec_resize (result, rsize); |
726f6388 JA |
755 | } |
756 | ||
ccc6cda3 | 757 | result[nmatch++] = hostname_list[i]; |
726f6388 | 758 | } |
ccc6cda3 JA |
759 | if (nmatch) |
760 | result[nmatch] = (char *)NULL; | |
761 | return (result); | |
726f6388 JA |
762 | } |
763 | ||
ccc6cda3 | 764 | /* The equivalent of the Korn shell C-o operate-and-get-next-history-line |
726f6388 | 765 | editing command. */ |
ccc6cda3 | 766 | static int saved_history_line_to_use = -1; |
726f6388 | 767 | |
28ef6c31 | 768 | static int |
726f6388 JA |
769 | set_saved_history () |
770 | { | |
ccc6cda3 | 771 | if (saved_history_line_to_use >= 0) |
b72432fd | 772 | rl_get_previous_history (history_length - saved_history_line_to_use, 0); |
ccc6cda3 | 773 | saved_history_line_to_use = -1; |
726f6388 | 774 | rl_startup_hook = old_rl_startup_hook; |
f73dda09 | 775 | return (0); |
ccc6cda3 | 776 | } |
726f6388 | 777 | |
28ef6c31 | 778 | static int |
726f6388 JA |
779 | operate_and_get_next (count, c) |
780 | int count, c; | |
781 | { | |
782 | int where; | |
783 | ||
784 | /* Accept the current line. */ | |
b72432fd | 785 | rl_newline (1, c); |
726f6388 JA |
786 | |
787 | /* Find the current line, and find the next line to use. */ | |
788 | where = where_history (); | |
789 | ||
28ef6c31 | 790 | if ((history_is_stifled () && (history_length >= history_max_entries)) || |
726f6388 JA |
791 | (where >= history_length - 1)) |
792 | saved_history_line_to_use = where; | |
793 | else | |
794 | saved_history_line_to_use = where + 1; | |
795 | ||
796 | old_rl_startup_hook = rl_startup_hook; | |
28ef6c31 JA |
797 | rl_startup_hook = set_saved_history; |
798 | ||
799 | return 0; | |
726f6388 JA |
800 | } |
801 | ||
726f6388 JA |
802 | /* This vi mode command causes VI_EDIT_COMMAND to be run on the current |
803 | command being entered (if no explicit argument is given), otherwise on | |
804 | a command from the history file. */ | |
805 | ||
b80f6443 JA |
806 | #define VI_EDIT_COMMAND "fc -e \"${VISUAL:-${EDITOR:-vi}}\"" |
807 | #define EMACS_EDIT_COMMAND "fc -e \"${VISUAL:-${EDITOR:-emacs}}\"" | |
95732b49 | 808 | #define POSIX_VI_EDIT_COMMAND "fc -e vi" |
726f6388 | 809 | |
28ef6c31 | 810 | static int |
7117c2d2 JA |
811 | edit_and_execute_command (count, c, editing_mode, edit_command) |
812 | int count, c, editing_mode; | |
813 | char *edit_command; | |
726f6388 JA |
814 | { |
815 | char *command; | |
f73dda09 JA |
816 | int r, cclc, rrs; |
817 | ||
818 | rrs = rl_readline_state; | |
819 | cclc = current_command_line_count; | |
726f6388 JA |
820 | |
821 | /* Accept the current line. */ | |
b72432fd | 822 | rl_newline (1, c); |
726f6388 JA |
823 | |
824 | if (rl_explicit_arg) | |
825 | { | |
7117c2d2 JA |
826 | command = (char *)xmalloc (strlen (edit_command) + 8); |
827 | sprintf (command, "%s %d", edit_command, count); | |
726f6388 JA |
828 | } |
829 | else | |
830 | { | |
831 | /* Take the command we were just editing, add it to the history file, | |
832 | then call fc to operate on it. We have to add a dummy command to | |
833 | the end of the history because fc ignores the last command (assumes | |
834 | it's supposed to deal with the command before the `fc'). */ | |
835 | using_history (); | |
d166f048 JA |
836 | bash_add_history (rl_line_buffer); |
837 | bash_add_history (""); | |
726f6388 JA |
838 | history_lines_this_session++; |
839 | using_history (); | |
7117c2d2 | 840 | command = savestring (edit_command); |
726f6388 | 841 | } |
7117c2d2 JA |
842 | |
843 | /* Now, POSIX.1-2001 and SUSv3 say that the commands executed from the | |
844 | temporary file should be placed into the history. We don't do that | |
845 | yet. */ | |
846 | r = parse_and_execute (command, (editing_mode == VI_EDITING_MODE) ? "v" : "C-xC-e", SEVAL_NOHIST); | |
f73dda09 JA |
847 | |
848 | current_command_line_count = cclc; | |
849 | ||
850 | /* Now erase the contents of the current line and undo the effects of the | |
851 | rl_accept_line() above. We don't even want to make the text we just | |
852 | executed available for undoing. */ | |
ccc6cda3 | 853 | rl_line_buffer[0] = '\0'; /* XXX */ |
f73dda09 JA |
854 | rl_point = rl_end = 0; |
855 | rl_done = 0; | |
856 | rl_readline_state = rrs; | |
857 | ||
858 | rl_forced_update_display (); | |
28ef6c31 JA |
859 | |
860 | return r; | |
726f6388 | 861 | } |
7117c2d2 JA |
862 | |
863 | #if defined (VI_MODE) | |
864 | static int | |
865 | vi_edit_and_execute_command (count, c) | |
866 | int count, c; | |
867 | { | |
95732b49 JA |
868 | if (posixly_correct) |
869 | return (edit_and_execute_command (count, c, VI_EDITING_MODE, POSIX_VI_EDIT_COMMAND)); | |
870 | else | |
871 | return (edit_and_execute_command (count, c, VI_EDITING_MODE, VI_EDIT_COMMAND)); | |
7117c2d2 | 872 | } |
726f6388 JA |
873 | #endif /* VI_MODE */ |
874 | ||
7117c2d2 JA |
875 | static int |
876 | emacs_edit_and_execute_command (count, c) | |
877 | int count, c; | |
878 | { | |
879 | return (edit_and_execute_command (count, c, EMACS_EDITING_MODE, EMACS_EDIT_COMMAND)); | |
880 | } | |
881 | ||
ccc6cda3 JA |
882 | #if defined (ALIAS) |
883 | static int | |
884 | posix_edit_macros (count, key) | |
885 | int count, key; | |
886 | { | |
887 | int c; | |
888 | char alias_name[3], *alias_value, *macro; | |
889 | ||
890 | c = rl_read_key (); | |
891 | alias_name[0] = '_'; | |
892 | alias_name[1] = c; | |
893 | alias_name[2] = '\0'; | |
894 | ||
895 | alias_value = get_alias_value (alias_name); | |
896 | if (alias_value && *alias_value) | |
897 | { | |
898 | macro = savestring (alias_value); | |
899 | rl_push_macro_input (macro); | |
900 | } | |
901 | return 0; | |
902 | } | |
903 | #endif | |
904 | ||
726f6388 JA |
905 | /* **************************************************************** */ |
906 | /* */ | |
907 | /* How To Do Shell Completion */ | |
908 | /* */ | |
909 | /* **************************************************************** */ | |
910 | ||
bb70624e | 911 | #define COMMAND_SEPARATORS ";|&{(`" |
b80f6443 | 912 | /* )} */ |
bb70624e JA |
913 | |
914 | static int | |
915 | check_redir (ti) | |
916 | int ti; | |
917 | { | |
918 | register int this_char, prev_char; | |
919 | ||
920 | /* Handle the two character tokens `>&', `<&', and `>|'. | |
921 | We are not in a command position after one of these. */ | |
922 | this_char = rl_line_buffer[ti]; | |
923 | prev_char = rl_line_buffer[ti - 1]; | |
924 | ||
925 | if ((this_char == '&' && (prev_char == '<' || prev_char == '>')) || | |
926 | (this_char == '|' && prev_char == '>')) | |
927 | return (1); | |
928 | else if ((this_char == '{' && prev_char == '$') || /* } */ | |
929 | (char_is_quoted (rl_line_buffer, ti))) | |
930 | return (1); | |
931 | return (0); | |
932 | } | |
933 | ||
934 | #if defined (PROGRAMMABLE_COMPLETION) | |
f73dda09 JA |
935 | /* |
936 | * XXX - because of the <= start test, and setting os = s+1, this can | |
937 | * potentially return os > start. This is probably not what we want to | |
938 | * happen, but fix later after 2.05a-release. | |
939 | */ | |
bb70624e JA |
940 | static int |
941 | find_cmd_start (start) | |
942 | int start; | |
943 | { | |
944 | register int s, os; | |
945 | ||
946 | os = 0; | |
947 | while (((s = skip_to_delim (rl_line_buffer, os, COMMAND_SEPARATORS)) <= start) && | |
948 | rl_line_buffer[s]) | |
949 | os = s+1; | |
950 | return os; | |
951 | } | |
952 | ||
953 | static int | |
954 | find_cmd_end (end) | |
955 | int end; | |
956 | { | |
957 | register int e; | |
958 | ||
959 | e = skip_to_delim (rl_line_buffer, end, COMMAND_SEPARATORS); | |
960 | return e; | |
961 | } | |
962 | ||
963 | static char * | |
964 | find_cmd_name (start) | |
965 | int start; | |
966 | { | |
967 | char *name; | |
968 | register int s, e; | |
969 | ||
970 | for (s = start; whitespace (rl_line_buffer[s]); s++) | |
971 | ; | |
972 | ||
973 | /* skip until a shell break character */ | |
974 | e = skip_to_delim (rl_line_buffer, s, "()<>;&| \t\n"); | |
975 | ||
976 | name = substring (rl_line_buffer, s, e); | |
977 | ||
978 | return (name); | |
979 | } | |
980 | ||
981 | static char * | |
982 | prog_complete_return (text, matchnum) | |
f73dda09 | 983 | const char *text; |
bb70624e JA |
984 | int matchnum; |
985 | { | |
986 | static int ind; | |
987 | ||
988 | if (matchnum == 0) | |
989 | ind = 0; | |
990 | ||
991 | if (prog_complete_matches == 0 || prog_complete_matches[ind] == 0) | |
992 | return (char *)NULL; | |
993 | return (prog_complete_matches[ind++]); | |
994 | } | |
995 | ||
996 | #endif /* PROGRAMMABLE_COMPLETION */ | |
997 | ||
726f6388 JA |
998 | /* Do some completion on TEXT. The indices of TEXT in RL_LINE_BUFFER are |
999 | at START and END. Return an array of matches, or NULL if none. */ | |
1000 | static char ** | |
1001 | attempt_shell_completion (text, start, end) | |
28ef6c31 | 1002 | const char *text; |
726f6388 JA |
1003 | int start, end; |
1004 | { | |
0628567a | 1005 | int in_command_position, ti, saveti, qc, dflags; |
ccc6cda3 | 1006 | char **matches, *command_separator_chars; |
726f6388 | 1007 | |
bb70624e | 1008 | command_separator_chars = COMMAND_SEPARATORS; |
ccc6cda3 | 1009 | matches = (char **)NULL; |
28ef6c31 | 1010 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 JA |
1011 | |
1012 | /* Determine if this could be a command word. It is if it appears at | |
1013 | the start of the line (ignoring preceding whitespace), or if it | |
1014 | appears after a character that separates commands. It cannot be a | |
1015 | command word if we aren't at the top-level prompt. */ | |
1016 | ti = start - 1; | |
bb70624e | 1017 | saveti = qc = -1; |
726f6388 JA |
1018 | |
1019 | while ((ti > -1) && (whitespace (rl_line_buffer[ti]))) | |
1020 | ti--; | |
1021 | ||
bb70624e JA |
1022 | #if 1 |
1023 | /* If this is an open quote, maybe we're trying to complete a quoted | |
1024 | command name. */ | |
b80f6443 | 1025 | if (ti >= 0 && (rl_line_buffer[ti] == '"' || rl_line_buffer[ti] == '\'')) |
bb70624e JA |
1026 | { |
1027 | qc = rl_line_buffer[ti]; | |
1028 | saveti = ti--; | |
1029 | while (ti > -1 && (whitespace (rl_line_buffer[ti]))) | |
28ef6c31 | 1030 | ti--; |
bb70624e JA |
1031 | } |
1032 | #endif | |
1033 | ||
726f6388 JA |
1034 | in_command_position = 0; |
1035 | if (ti < 0) | |
1036 | { | |
1037 | /* Only do command completion at the start of a line when we | |
28ef6c31 | 1038 | are prompting at the top level. */ |
726f6388 JA |
1039 | if (current_prompt_string == ps1_prompt) |
1040 | in_command_position++; | |
1041 | } | |
1042 | else if (member (rl_line_buffer[ti], command_separator_chars)) | |
1043 | { | |
726f6388 JA |
1044 | in_command_position++; |
1045 | ||
bb70624e | 1046 | if (check_redir (ti) == 1) |
28ef6c31 | 1047 | in_command_position = 0; |
726f6388 JA |
1048 | } |
1049 | else | |
1050 | { | |
1051 | /* This still could be in command position. It is possible | |
1052 | that all of the previous words on the line are variable | |
1053 | assignments. */ | |
1054 | } | |
1055 | ||
d166f048 JA |
1056 | /* Check that we haven't incorrectly flagged a closed command substitution |
1057 | as indicating we're in a command position. */ | |
e8ce775d | 1058 | if (in_command_position && ti >= 0 && rl_line_buffer[ti] == '`' && |
bb70624e | 1059 | *text != '`' && unclosed_pair (rl_line_buffer, end, "`") == 0) |
d166f048 JA |
1060 | in_command_position = 0; |
1061 | ||
1062 | /* Special handling for command substitution. If *TEXT is a backquote, | |
1063 | it can be the start or end of an old-style command substitution, or | |
1064 | unmatched. If it's unmatched, both calls to unclosed_pair will | |
1065 | succeed. */ | |
bb70624e JA |
1066 | if (*text == '`' && |
1067 | (in_command_position || (unclosed_pair (rl_line_buffer, start, "`") && | |
1068 | unclosed_pair (rl_line_buffer, end, "`")))) | |
28ef6c31 | 1069 | matches = rl_completion_matches (text, command_subst_completion_function); |
726f6388 | 1070 | |
bb70624e JA |
1071 | #if defined (PROGRAMMABLE_COMPLETION) |
1072 | /* Attempt programmable completion. */ | |
1073 | if (!matches && in_command_position == 0 && prog_completion_enabled && | |
7117c2d2 | 1074 | (progcomp_size () > 0) && current_prompt_string == ps1_prompt) |
bb70624e JA |
1075 | { |
1076 | int s, e, foundcs; | |
1077 | char *n; | |
1078 | ||
1079 | /* XXX - don't free the members */ | |
1080 | if (prog_complete_matches) | |
1081 | free (prog_complete_matches); | |
1082 | prog_complete_matches = (char **)NULL; | |
1083 | ||
1084 | s = find_cmd_start (start); | |
1085 | e = find_cmd_end (end); | |
1086 | n = find_cmd_name (s); | |
95732b49 | 1087 | if (e > s && assignment (n, 0) == 0) |
f73dda09 JA |
1088 | prog_complete_matches = programmable_completions (n, text, s, e, &foundcs); |
1089 | else | |
1090 | foundcs = 0; | |
bb70624e JA |
1091 | FREE (n); |
1092 | /* XXX - if we found a COMPSPEC for the command, just return whatever | |
1093 | the programmable completion code returns, and disable the default | |
28ef6c31 JA |
1094 | filename completion that readline will do unless the COPT_DEFAULT |
1095 | option has been set with the `-o default' option to complete. */ | |
bb70624e JA |
1096 | if (foundcs) |
1097 | { | |
28ef6c31 | 1098 | /* If the user specified that the compspec returns filenames, make |
f73dda09 | 1099 | sure that readline knows it. */ |
28ef6c31 JA |
1100 | if (foundcs & COPT_FILENAMES) |
1101 | rl_filename_completion_desired = 1; | |
7117c2d2 JA |
1102 | /* If the user doesn't want a space appended, tell readline. */ |
1103 | if (foundcs & COPT_NOSPACE) | |
1104 | rl_completion_suppress_append = 1; | |
bb70624e JA |
1105 | /* Turn what the programmable completion code returns into what |
1106 | readline wants. I should have made compute_lcd_of_matches | |
1107 | external... */ | |
28ef6c31 JA |
1108 | matches = rl_completion_matches (text, prog_complete_return); |
1109 | if ((foundcs & COPT_DEFAULT) == 0) | |
1110 | rl_attempted_completion_over = 1; /* no default */ | |
b80f6443 JA |
1111 | if (matches || ((foundcs & COPT_BASHDEFAULT) == 0)) |
1112 | return (matches); | |
bb70624e JA |
1113 | } |
1114 | } | |
1115 | #endif | |
1116 | ||
b80f6443 | 1117 | if (matches == 0) |
0628567a JA |
1118 | { |
1119 | dflags = 0; | |
1120 | if (in_command_position) | |
1121 | dflags |= DEFCOMP_CMDPOS; | |
1122 | matches = bash_default_completion (text, start, end, qc, dflags); | |
1123 | } | |
b80f6443 JA |
1124 | |
1125 | return matches; | |
1126 | } | |
1127 | ||
1128 | char ** | |
0628567a | 1129 | bash_default_completion (text, start, end, qc, compflags) |
b80f6443 | 1130 | const char *text; |
0628567a | 1131 | int start, end, qc, compflags; |
b80f6443 JA |
1132 | { |
1133 | char **matches; | |
1134 | ||
1135 | matches = (char **)NULL; | |
1136 | ||
bb70624e | 1137 | /* New posix-style command substitution or variable name? */ |
726f6388 | 1138 | if (!matches && *text == '$') |
bb70624e JA |
1139 | { |
1140 | if (qc != '\'' && text[1] == '(') /* ) */ | |
28ef6c31 | 1141 | matches = rl_completion_matches (text, command_subst_completion_function); |
bb70624e | 1142 | else |
28ef6c31 | 1143 | matches = rl_completion_matches (text, variable_completion_function); |
bb70624e | 1144 | } |
726f6388 JA |
1145 | |
1146 | /* If the word starts in `~', and there is no slash in the word, then | |
1147 | try completing this word as a username. */ | |
7117c2d2 | 1148 | if (!matches && *text == '~' && !xstrchr (text, '/')) |
28ef6c31 | 1149 | matches = rl_completion_matches (text, rl_username_completion_function); |
726f6388 JA |
1150 | |
1151 | /* Another one. Why not? If the word starts in '@', then look through | |
1152 | the world of known hostnames for completion first. */ | |
ccc6cda3 | 1153 | if (!matches && perform_hostname_completion && *text == '@') |
28ef6c31 | 1154 | matches = rl_completion_matches (text, hostname_completion_function); |
726f6388 JA |
1155 | |
1156 | /* And last, (but not least) if this word is in a command position, then | |
1157 | complete over possible command names, including aliases, functions, | |
1158 | and command names. */ | |
0628567a | 1159 | if (matches == 0 && (compflags & DEFCOMP_CMDPOS)) |
726f6388 | 1160 | { |
0628567a JA |
1161 | /* If END == START and text[0] == 0, we are trying to complete an empty |
1162 | command word. */ | |
1163 | if (no_empty_command_completion && end == start && text[0] == '\0') | |
bb70624e JA |
1164 | { |
1165 | matches = (char **)NULL; | |
28ef6c31 | 1166 | rl_ignore_some_completions_function = bash_ignore_everything; |
bb70624e JA |
1167 | } |
1168 | else | |
1169 | { | |
b80f6443 JA |
1170 | #define CMD_IS_DIR(x) (absolute_pathname(x) == 0 && absolute_program(x) == 0 && *(x) != '~' && test_for_directory (x)) |
1171 | ||
95732b49 | 1172 | dot_in_path = 0; |
28ef6c31 | 1173 | matches = rl_completion_matches (text, command_word_completion_function); |
b80f6443 | 1174 | |
bb70624e JA |
1175 | /* If we are attempting command completion and nothing matches, we |
1176 | do not want readline to perform filename completion for us. We | |
1177 | still want to be able to complete partial pathnames, so set the | |
1178 | completion ignore function to something which will remove | |
1179 | filenames and leave directories in the match list. */ | |
1180 | if (matches == (char **)NULL) | |
28ef6c31 | 1181 | rl_ignore_some_completions_function = bash_ignore_filenames; |
95732b49 JA |
1182 | else if (matches[1] == 0 && CMD_IS_DIR(matches[0]) && dot_in_path == 0) |
1183 | /* If we found a single match, without looking in the current | |
1184 | directory (because it's not in $PATH), but the found name is | |
1185 | also a command in the current directory, suppress appending any | |
1186 | terminating character, since it's ambiguous. */ | |
1187 | { | |
1188 | rl_completion_suppress_append = 1; | |
1189 | rl_filename_completion_desired = 0; | |
1190 | } | |
b80f6443 | 1191 | else if (matches[0] && matches[1] && STREQ (matches[0], matches[1]) && CMD_IS_DIR (matches[0])) |
7117c2d2 JA |
1192 | /* There are multiple instances of the same match (duplicate |
1193 | completions haven't yet been removed). In this case, all of | |
1194 | the matches will be the same, and the duplicate removal code | |
95732b49 JA |
1195 | will distill them all down to one. We turn on |
1196 | rl_completion_suppress_append for the same reason as above. | |
7117c2d2 JA |
1197 | Remember: we only care if there's eventually a single unique |
1198 | completion. If there are multiple completions this won't | |
1199 | make a difference and the problem won't occur. */ | |
95732b49 JA |
1200 | { |
1201 | rl_completion_suppress_append = 1; | |
1202 | rl_filename_completion_desired = 0; | |
1203 | } | |
bb70624e | 1204 | } |
726f6388 JA |
1205 | } |
1206 | ||
ccc6cda3 JA |
1207 | /* This could be a globbing pattern, so try to expand it using pathname |
1208 | expansion. */ | |
f73dda09 | 1209 | if (!matches && glob_pattern_p (text)) |
e8ce775d | 1210 | { |
28ef6c31 | 1211 | matches = rl_completion_matches (text, glob_complete_word); |
e8ce775d JA |
1212 | /* A glob expression that matches more than one filename is problematic. |
1213 | If we match more than one filename, punt. */ | |
7117c2d2 | 1214 | if (matches && matches[1] && rl_completion_type == TAB) |
e8ce775d | 1215 | { |
7117c2d2 | 1216 | strvec_dispose (matches); |
e8ce775d JA |
1217 | matches = (char **)0; |
1218 | } | |
1219 | } | |
ccc6cda3 | 1220 | |
726f6388 JA |
1221 | return (matches); |
1222 | } | |
1223 | ||
1224 | /* This is the function to call when the word to complete is in a position | |
1225 | where a command word can be found. It grovels $PATH, looking for commands | |
1226 | that match. It also scans aliases, function names, and the shell_builtin | |
1227 | table. */ | |
bb70624e | 1228 | char * |
726f6388 | 1229 | command_word_completion_function (hint_text, state) |
28ef6c31 | 1230 | const char *hint_text; |
726f6388 JA |
1231 | int state; |
1232 | { | |
1233 | static char *hint = (char *)NULL; | |
1234 | static char *path = (char *)NULL; | |
1235 | static char *val = (char *)NULL; | |
1236 | static char *filename_hint = (char *)NULL; | |
95732b49 JA |
1237 | static char *dequoted_hint = (char *)NULL; |
1238 | static int path_index, hint_len, dequoted_len, istate, igncase; | |
0628567a | 1239 | static int mapping_over, local_index, searching_path, hint_is_dir; |
726f6388 JA |
1240 | static SHELL_VAR **varlist = (SHELL_VAR **)NULL; |
1241 | #if defined (ALIAS) | |
ccc6cda3 | 1242 | static alias_t **alias_list = (alias_t **)NULL; |
726f6388 | 1243 | #endif /* ALIAS */ |
95732b49 | 1244 | char *temp; |
726f6388 JA |
1245 | |
1246 | /* We have to map over the possibilities for command words. If we have | |
1247 | no state, then make one just for that purpose. */ | |
726f6388 JA |
1248 | if (!state) |
1249 | { | |
95732b49 JA |
1250 | if (dequoted_hint && dequoted_hint != hint) |
1251 | free (dequoted_hint); | |
726f6388 JA |
1252 | if (hint) |
1253 | free (hint); | |
1254 | ||
0628567a JA |
1255 | mapping_over = searching_path = 0; |
1256 | hint_is_dir = CMD_IS_DIR (hint_text); | |
726f6388 JA |
1257 | val = (char *)NULL; |
1258 | ||
95732b49 JA |
1259 | temp = rl_variable_value ("completion-ignore-case"); |
1260 | igncase = strcmp (temp, "on") == 0; | |
1261 | ||
726f6388 JA |
1262 | /* If this is an absolute program name, do not check it against |
1263 | aliases, reserved words, functions or builtins. We must check | |
1264 | whether or not it is unique, and, if so, whether that filename | |
1265 | is executable. */ | |
f73dda09 | 1266 | if (absolute_program (hint_text)) |
726f6388 JA |
1267 | { |
1268 | /* Perform tilde expansion on what's passed, so we don't end up | |
1269 | passing filenames with tildes directly to stat(). */ | |
1270 | if (*hint_text == '~') | |
7117c2d2 | 1271 | hint = bash_tilde_expand (hint_text, 0); |
726f6388 JA |
1272 | else |
1273 | hint = savestring (hint_text); | |
95732b49 JA |
1274 | |
1275 | dequoted_hint = hint; | |
1276 | /* If readline's completer found a quote character somewhere, but | |
1277 | didn't set the quote character, there must have been a quote | |
1278 | character embedded in the filename. It can't be at the start of | |
1279 | the filename, so we need to dequote the filename before we look | |
1280 | in the file system for it. */ | |
1281 | if (rl_completion_found_quote && rl_completion_quote_character == 0) | |
1282 | { | |
1283 | dequoted_hint = bash_dequote_filename (hint, 0); | |
1284 | free (hint); | |
1285 | hint = dequoted_hint; | |
1286 | } | |
1287 | dequoted_len = hint_len = strlen (hint); | |
726f6388 JA |
1288 | |
1289 | if (filename_hint) | |
1290 | free (filename_hint); | |
95732b49 | 1291 | |
726f6388 JA |
1292 | filename_hint = savestring (hint); |
1293 | ||
1294 | mapping_over = 4; | |
1295 | istate = 0; | |
1296 | goto inner; | |
1297 | } | |
1298 | ||
95732b49 JA |
1299 | dequoted_hint = hint = savestring (hint_text); |
1300 | dequoted_len = hint_len = strlen (hint); | |
726f6388 | 1301 | |
95732b49 JA |
1302 | if (rl_completion_found_quote && rl_completion_quote_character == 0) |
1303 | { | |
1304 | dequoted_hint = bash_dequote_filename (hint, 0); | |
1305 | dequoted_len = strlen (dequoted_hint); | |
1306 | } | |
1307 | ||
726f6388 | 1308 | path = get_string_value ("PATH"); |
95732b49 | 1309 | path_index = dot_in_path = 0; |
726f6388 JA |
1310 | |
1311 | /* Initialize the variables for each type of command word. */ | |
1312 | local_index = 0; | |
1313 | ||
1314 | if (varlist) | |
1315 | free (varlist); | |
1316 | ||
1317 | varlist = all_visible_functions (); | |
1318 | ||
1319 | #if defined (ALIAS) | |
1320 | if (alias_list) | |
1321 | free (alias_list); | |
1322 | ||
1323 | alias_list = all_aliases (); | |
1324 | #endif /* ALIAS */ | |
1325 | } | |
1326 | ||
1327 | /* mapping_over says what we are currently hacking. Note that every case | |
1328 | in this list must fall through when there are no more possibilities. */ | |
1329 | ||
1330 | switch (mapping_over) | |
1331 | { | |
1332 | case 0: /* Aliases come first. */ | |
1333 | #if defined (ALIAS) | |
1334 | while (alias_list && alias_list[local_index]) | |
1335 | { | |
1336 | register char *alias; | |
1337 | ||
1338 | alias = alias_list[local_index++]->name; | |
1339 | ||
1340 | if (STREQN (alias, hint, hint_len)) | |
1341 | return (savestring (alias)); | |
1342 | } | |
1343 | #endif /* ALIAS */ | |
1344 | local_index = 0; | |
1345 | mapping_over++; | |
1346 | ||
1347 | case 1: /* Then shell reserved words. */ | |
1348 | { | |
1349 | while (word_token_alist[local_index].word) | |
1350 | { | |
1351 | register char *reserved_word; | |
1352 | ||
1353 | reserved_word = word_token_alist[local_index++].word; | |
1354 | ||
1355 | if (STREQN (reserved_word, hint, hint_len)) | |
1356 | return (savestring (reserved_word)); | |
1357 | } | |
1358 | local_index = 0; | |
1359 | mapping_over++; | |
1360 | } | |
1361 | ||
1362 | case 2: /* Then function names. */ | |
1363 | while (varlist && varlist[local_index]) | |
1364 | { | |
1365 | register char *varname; | |
1366 | ||
1367 | varname = varlist[local_index++]->name; | |
1368 | ||
1369 | if (STREQN (varname, hint, hint_len)) | |
1370 | return (savestring (varname)); | |
1371 | } | |
1372 | local_index = 0; | |
1373 | mapping_over++; | |
1374 | ||
1375 | case 3: /* Then shell builtins. */ | |
1376 | for (; local_index < num_shell_builtins; local_index++) | |
1377 | { | |
1378 | /* Ignore it if it doesn't have a function pointer or if it | |
1379 | is not currently enabled. */ | |
1380 | if (!shell_builtins[local_index].function || | |
1381 | (shell_builtins[local_index].flags & BUILTIN_ENABLED) == 0) | |
1382 | continue; | |
1383 | ||
1384 | if (STREQN (shell_builtins[local_index].name, hint, hint_len)) | |
1385 | { | |
1386 | int i = local_index++; | |
1387 | ||
1388 | return (savestring (shell_builtins[i].name)); | |
1389 | } | |
1390 | } | |
1391 | local_index = 0; | |
1392 | mapping_over++; | |
1393 | } | |
1394 | ||
0628567a JA |
1395 | /* If the text passed is a directory in the current directory, return it |
1396 | as a possible match. Executables in directories in the current | |
1397 | directory can be specified using relative pathnames and successfully | |
1398 | executed even when `.' is not in $PATH. */ | |
1399 | if (hint_is_dir) | |
1400 | { | |
1401 | hint_is_dir = 0; /* only return the hint text once */ | |
1402 | return (savestring (hint_text)); | |
1403 | } | |
1404 | ||
ccc6cda3 | 1405 | /* Repeatedly call filename_completion_function while we have |
726f6388 JA |
1406 | members of PATH left. Question: should we stat each file? |
1407 | Answer: we call executable_file () on each file. */ | |
1408 | outer: | |
1409 | ||
1410 | istate = (val != (char *)NULL); | |
1411 | ||
1412 | if (!istate) | |
1413 | { | |
1414 | char *current_path; | |
1415 | ||
1416 | /* Get the next directory from the path. If there is none, then we | |
1417 | are all done. */ | |
1418 | if (!path || !path[path_index] || | |
1419 | (current_path = extract_colon_unit (path, &path_index)) == 0) | |
1420 | return ((char *)NULL); | |
1421 | ||
0628567a | 1422 | searching_path = 1; |
726f6388 JA |
1423 | if (*current_path == 0) |
1424 | { | |
1425 | free (current_path); | |
1426 | current_path = savestring ("."); | |
1427 | } | |
1428 | ||
1429 | if (*current_path == '~') | |
1430 | { | |
1431 | char *t; | |
1432 | ||
7117c2d2 | 1433 | t = bash_tilde_expand (current_path, 0); |
726f6388 JA |
1434 | free (current_path); |
1435 | current_path = t; | |
1436 | } | |
1437 | ||
95732b49 JA |
1438 | if (current_path[0] == '.' && current_path[1] == '\0') |
1439 | dot_in_path = 1; | |
1440 | ||
726f6388 JA |
1441 | if (filename_hint) |
1442 | free (filename_hint); | |
1443 | ||
7117c2d2 | 1444 | filename_hint = sh_makepath (current_path, hint, 0); |
726f6388 JA |
1445 | free (current_path); |
1446 | } | |
1447 | ||
1448 | inner: | |
28ef6c31 | 1449 | val = rl_filename_completion_function (filename_hint, istate); |
726f6388 JA |
1450 | istate = 1; |
1451 | ||
ccc6cda3 | 1452 | if (val == 0) |
726f6388 JA |
1453 | { |
1454 | /* If the hint text is an absolute program, then don't bother | |
1455 | searching through PATH. */ | |
1456 | if (absolute_program (hint)) | |
1457 | return ((char *)NULL); | |
1458 | ||
1459 | goto outer; | |
1460 | } | |
1461 | else | |
1462 | { | |
d166f048 | 1463 | int match, freetemp; |
0628567a JA |
1464 | #if 0 |
1465 | char *temp; /* shadows previous declaration */ | |
1466 | #endif | |
726f6388 JA |
1467 | |
1468 | if (absolute_program (hint)) | |
1469 | { | |
95732b49 JA |
1470 | if (igncase == 0) |
1471 | match = strncmp (val, hint, hint_len) == 0; | |
1472 | else | |
1473 | match = strncasecmp (val, hint, hint_len) == 0; | |
1474 | ||
726f6388 JA |
1475 | /* If we performed tilde expansion, restore the original |
1476 | filename. */ | |
1477 | if (*hint_text == '~') | |
1478 | { | |
eb873671 JA |
1479 | int l, tl, vl, dl; |
1480 | char *rd; | |
726f6388 JA |
1481 | vl = strlen (val); |
1482 | tl = strlen (hint_text); | |
eb873671 | 1483 | #if 0 |
726f6388 | 1484 | l = vl - hint_len; /* # of chars added */ |
eb873671 JA |
1485 | #else |
1486 | rd = savestring (filename_hint); | |
1487 | bash_directory_expansion (&rd); | |
1488 | dl = strlen (rd); | |
1489 | l = vl - dl; /* # of chars added */ | |
1490 | free (rd); | |
1491 | #endif | |
f73dda09 | 1492 | temp = (char *)xmalloc (l + 2 + tl); |
726f6388 JA |
1493 | strcpy (temp, hint_text); |
1494 | strcpy (temp + tl, val + vl - l); | |
1495 | } | |
1496 | else | |
1497 | temp = savestring (val); | |
d166f048 | 1498 | freetemp = 1; |
726f6388 JA |
1499 | } |
1500 | else | |
1501 | { | |
1502 | temp = strrchr (val, '/'); | |
1503 | ||
1504 | if (temp) | |
1505 | { | |
1506 | temp++; | |
95732b49 JA |
1507 | if (igncase == 0) |
1508 | freetemp = match = strncmp (temp, hint, hint_len) == 0; | |
1509 | else | |
1510 | freetemp = match = strncasecmp (temp, hint, hint_len) == 0; | |
726f6388 JA |
1511 | if (match) |
1512 | temp = savestring (temp); | |
1513 | } | |
1514 | else | |
d166f048 | 1515 | freetemp = match = 0; |
726f6388 JA |
1516 | } |
1517 | ||
0628567a | 1518 | #if 0 |
ccc6cda3 JA |
1519 | /* If we have found a match, and it is an executable file or a |
1520 | directory name, return it. */ | |
28ef6c31 | 1521 | if (match && executable_or_directory (val)) |
0628567a JA |
1522 | #else |
1523 | /* If we have found a match, and it is an executable file, return it. | |
1524 | We don't return directory names when searching $PATH, since the | |
1525 | bash execution code won't find executables in directories which | |
1526 | appear in directories in $PATH when they're specified using | |
1527 | relative pathnames. */ | |
1528 | if (match && (searching_path ? executable_file (val) : executable_or_directory (val))) | |
1529 | #endif | |
726f6388 JA |
1530 | { |
1531 | free (val); | |
1532 | val = ""; /* So it won't be NULL. */ | |
1533 | return (temp); | |
1534 | } | |
1535 | else | |
1536 | { | |
d166f048 JA |
1537 | if (freetemp) |
1538 | free (temp); | |
726f6388 JA |
1539 | free (val); |
1540 | goto inner; | |
1541 | } | |
1542 | } | |
1543 | } | |
1544 | ||
d166f048 | 1545 | /* Completion inside an unterminated command substitution. */ |
726f6388 JA |
1546 | static char * |
1547 | command_subst_completion_function (text, state) | |
28ef6c31 | 1548 | const char *text; |
ccc6cda3 | 1549 | int state; |
726f6388 JA |
1550 | { |
1551 | static char **matches = (char **)NULL; | |
28ef6c31 JA |
1552 | static const char *orig_start; |
1553 | static char *filename_text = (char *)NULL; | |
726f6388 | 1554 | static int cmd_index, start_len; |
ccc6cda3 | 1555 | char *value; |
726f6388 JA |
1556 | |
1557 | if (state == 0) | |
1558 | { | |
1559 | if (filename_text) | |
1560 | free (filename_text); | |
1561 | orig_start = text; | |
1562 | if (*text == '`') | |
28ef6c31 | 1563 | text++; |
cce855bc | 1564 | else if (*text == '$' && text[1] == '(') /* ) */ |
28ef6c31 | 1565 | text += 2; |
b80f6443 JA |
1566 | /* If the text was quoted, suppress any quote character that the |
1567 | readline completion code would insert. */ | |
1568 | rl_completion_suppress_quote = 1; | |
726f6388 JA |
1569 | start_len = text - orig_start; |
1570 | filename_text = savestring (text); | |
1571 | if (matches) | |
1572 | free (matches); | |
7117c2d2 JA |
1573 | |
1574 | /* | |
1575 | * At this point we can entertain the idea of re-parsing | |
1576 | * `filename_text' into a (possibly incomplete) command name and | |
1577 | * arguments, and doing completion based on that. This is | |
1578 | * currently very rudimentary, but it is a small improvement. | |
1579 | */ | |
1580 | for (value = filename_text + strlen (filename_text) - 1; value > filename_text; value--) | |
1581 | if (whitespace (*value) || member (*value, COMMAND_SEPARATORS)) | |
1582 | break; | |
1583 | if (value <= filename_text) | |
1584 | matches = rl_completion_matches (filename_text, command_word_completion_function); | |
1585 | else | |
1586 | { | |
1587 | value++; | |
1588 | start_len += value - filename_text; | |
1589 | if (whitespace (value[-1])) | |
1590 | matches = rl_completion_matches (value, rl_filename_completion_function); | |
1591 | else | |
1592 | matches = rl_completion_matches (value, command_word_completion_function); | |
1593 | } | |
1594 | ||
1595 | /* If there is more than one match, rl_completion_matches has already | |
1596 | put the lcd in matches[0]. Skip over it. */ | |
1597 | cmd_index = matches && matches[0] && matches[1]; | |
95732b49 JA |
1598 | |
1599 | /* If there's a single match and it's a directory, set the append char | |
1600 | to the expected `/'. Otherwise, don't append anything. */ | |
1601 | if (matches && matches[0] && matches[1] == 0 && test_for_directory (matches[0])) | |
1602 | rl_completion_append_character = '/'; | |
1603 | else | |
1604 | rl_completion_suppress_append = 1; | |
726f6388 JA |
1605 | } |
1606 | ||
1607 | if (!matches || !matches[cmd_index]) | |
1608 | { | |
1609 | rl_filename_quoting_desired = 0; /* disable quoting */ | |
1610 | return ((char *)NULL); | |
1611 | } | |
1612 | else | |
1613 | { | |
f73dda09 | 1614 | value = (char *)xmalloc (1 + start_len + strlen (matches[cmd_index])); |
726f6388 JA |
1615 | |
1616 | if (start_len == 1) | |
28ef6c31 | 1617 | value[0] = *orig_start; |
726f6388 | 1618 | else |
28ef6c31 | 1619 | strncpy (value, orig_start, start_len); |
726f6388 JA |
1620 | |
1621 | strcpy (value + start_len, matches[cmd_index]); | |
1622 | ||
1623 | cmd_index++; | |
1624 | return (value); | |
1625 | } | |
1626 | } | |
1627 | ||
1628 | /* Okay, now we write the entry_function for variable completion. */ | |
1629 | static char * | |
1630 | variable_completion_function (text, state) | |
28ef6c31 | 1631 | const char *text; |
726f6388 | 1632 | int state; |
726f6388 | 1633 | { |
bb70624e | 1634 | static char **varlist = (char **)NULL; |
726f6388 JA |
1635 | static int varlist_index; |
1636 | static char *varname = (char *)NULL; | |
1637 | static int namelen; | |
1638 | static int first_char, first_char_loc; | |
1639 | ||
1640 | if (!state) | |
1641 | { | |
1642 | if (varname) | |
1643 | free (varname); | |
1644 | ||
1645 | first_char_loc = 0; | |
1646 | first_char = text[0]; | |
1647 | ||
1648 | if (first_char == '$') | |
1649 | first_char_loc++; | |
1650 | ||
ccc6cda3 | 1651 | if (text[first_char_loc] == '{') |
28ef6c31 | 1652 | first_char_loc++; |
ccc6cda3 | 1653 | |
726f6388 JA |
1654 | varname = savestring (text + first_char_loc); |
1655 | ||
1656 | namelen = strlen (varname); | |
1657 | if (varlist) | |
7117c2d2 | 1658 | strvec_dispose (varlist); |
726f6388 | 1659 | |
bb70624e JA |
1660 | varlist = all_variables_matching_prefix (varname); |
1661 | varlist_index = 0; | |
726f6388 JA |
1662 | } |
1663 | ||
1664 | if (!varlist || !varlist[varlist_index]) | |
1665 | { | |
1666 | return ((char *)NULL); | |
1667 | } | |
1668 | else | |
1669 | { | |
f73dda09 JA |
1670 | char *value; |
1671 | ||
1672 | value = (char *)xmalloc (4 + strlen (varlist[varlist_index])); | |
726f6388 JA |
1673 | |
1674 | if (first_char_loc) | |
ccc6cda3 JA |
1675 | { |
1676 | value[0] = first_char; | |
1677 | if (first_char_loc == 2) | |
1678 | value[1] = '{'; | |
1679 | } | |
726f6388 | 1680 | |
bb70624e | 1681 | strcpy (value + first_char_loc, varlist[varlist_index]); |
ccc6cda3 | 1682 | if (first_char_loc == 2) |
28ef6c31 | 1683 | strcat (value, "}"); |
726f6388 JA |
1684 | |
1685 | varlist_index++; | |
1686 | return (value); | |
1687 | } | |
1688 | } | |
1689 | ||
1690 | /* How about a completion function for hostnames? */ | |
1691 | static char * | |
1692 | hostname_completion_function (text, state) | |
28ef6c31 | 1693 | const char *text; |
726f6388 | 1694 | int state; |
726f6388 JA |
1695 | { |
1696 | static char **list = (char **)NULL; | |
1697 | static int list_index = 0; | |
1698 | static int first_char, first_char_loc; | |
1699 | ||
1700 | /* If we don't have any state, make some. */ | |
ccc6cda3 | 1701 | if (state == 0) |
726f6388 | 1702 | { |
ccc6cda3 | 1703 | FREE (list); |
726f6388 JA |
1704 | |
1705 | list = (char **)NULL; | |
1706 | ||
1707 | first_char_loc = 0; | |
1708 | first_char = *text; | |
1709 | ||
1710 | if (first_char == '@') | |
1711 | first_char_loc++; | |
1712 | ||
f73dda09 | 1713 | list = hostnames_matching ((char *)text+first_char_loc); |
726f6388 JA |
1714 | list_index = 0; |
1715 | } | |
1716 | ||
1717 | if (list && list[list_index]) | |
1718 | { | |
ccc6cda3 | 1719 | char *t; |
726f6388 | 1720 | |
f73dda09 | 1721 | t = (char *)xmalloc (2 + strlen (list[list_index])); |
726f6388 JA |
1722 | *t = first_char; |
1723 | strcpy (t + first_char_loc, list[list_index]); | |
1724 | list_index++; | |
1725 | return (t); | |
1726 | } | |
ccc6cda3 JA |
1727 | |
1728 | return ((char *)NULL); | |
726f6388 JA |
1729 | } |
1730 | ||
7117c2d2 JA |
1731 | /* |
1732 | * A completion function for service names from /etc/services (or wherever). | |
1733 | */ | |
1734 | char * | |
1735 | bash_servicename_completion_function (text, state) | |
1736 | const char *text; | |
1737 | int state; | |
1738 | { | |
1739 | #if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GETSERVENT) | |
1740 | return ((char *)NULL); | |
1741 | #else | |
1742 | static char *sname = (char *)NULL; | |
1743 | static struct servent *srvent; | |
1744 | static int snamelen, firstc; | |
1745 | char *value; | |
1746 | char **alist, *aentry; | |
1747 | int afound; | |
1748 | ||
1749 | if (state == 0) | |
1750 | { | |
1751 | FREE (sname); | |
1752 | firstc = *text; | |
1753 | ||
1754 | sname = savestring (text); | |
1755 | snamelen = strlen (sname); | |
1756 | setservent (0); | |
1757 | } | |
1758 | ||
1759 | while (srvent = getservent ()) | |
1760 | { | |
1761 | afound = 0; | |
1762 | if (snamelen == 0 || (STREQN (sname, srvent->s_name, snamelen))) | |
1763 | break; | |
1764 | /* Not primary, check aliases */ | |
0628567a | 1765 | for (alist = srvent->s_aliases; *alist; alist++) |
7117c2d2 | 1766 | { |
0628567a | 1767 | aentry = *alist; |
7117c2d2 JA |
1768 | if (STREQN (sname, aentry, snamelen)) |
1769 | { | |
1770 | afound = 1; | |
1771 | break; | |
1772 | } | |
1773 | } | |
1774 | ||
1775 | if (afound) | |
1776 | break; | |
1777 | } | |
1778 | ||
1779 | if (srvent == 0) | |
1780 | { | |
1781 | endservent (); | |
1782 | return ((char *)NULL); | |
1783 | } | |
1784 | ||
1785 | value = afound ? savestring (aentry) : savestring (srvent->s_name); | |
1786 | return value; | |
1787 | #endif | |
1788 | } | |
1789 | ||
1790 | /* | |
1791 | * A completion function for group names from /etc/group (or wherever). | |
1792 | */ | |
f73dda09 JA |
1793 | char * |
1794 | bash_groupname_completion_function (text, state) | |
1795 | const char *text; | |
1796 | int state; | |
1797 | { | |
1798 | #if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H) | |
1799 | return ((char *)NULL); | |
1800 | #else | |
1801 | static char *gname = (char *)NULL; | |
1802 | static struct group *grent; | |
1803 | static int gnamelen; | |
1804 | char *value; | |
1805 | ||
1806 | if (state == 0) | |
1807 | { | |
1808 | FREE (gname); | |
1809 | gname = savestring (text); | |
1810 | gnamelen = strlen (gname); | |
1811 | ||
1812 | setgrent (); | |
1813 | } | |
1814 | ||
1815 | while (grent = getgrent ()) | |
1816 | { | |
1817 | if (gnamelen == 0 || (STREQN (gname, grent->gr_name, gnamelen))) | |
1818 | break; | |
1819 | } | |
1820 | ||
1821 | if (grent == 0) | |
1822 | { | |
1823 | endgrent (); | |
1824 | return ((char *)NULL); | |
1825 | } | |
1826 | ||
1827 | value = savestring (grent->gr_name); | |
1828 | return (value); | |
1829 | #endif | |
1830 | } | |
1831 | ||
cce855bc JA |
1832 | /* Functions to perform history and alias expansions on the current line. */ |
1833 | ||
1834 | #if defined (BANG_HISTORY) | |
1835 | /* Perform history expansion on the current line. If no history expansion | |
1836 | is done, pre_process_line() returns what it was passed, so we need to | |
1837 | allocate a new line here. */ | |
726f6388 JA |
1838 | static char * |
1839 | history_expand_line_internal (line) | |
1840 | char *line; | |
1841 | { | |
1842 | char *new_line; | |
b80f6443 | 1843 | int old_verify; |
726f6388 | 1844 | |
b80f6443 JA |
1845 | old_verify = hist_verify; |
1846 | hist_verify = 0; | |
726f6388 | 1847 | new_line = pre_process_line (line, 0, 0); |
b80f6443 JA |
1848 | hist_verify = old_verify; |
1849 | ||
d166f048 | 1850 | return (new_line == line) ? savestring (line) : new_line; |
726f6388 | 1851 | } |
726f6388 JA |
1852 | #endif |
1853 | ||
1854 | /* There was an error in expansion. Let the preprocessor print | |
1855 | the error here. */ | |
1856 | static void | |
1857 | cleanup_expansion_error () | |
1858 | { | |
1859 | char *to_free; | |
b80f6443 JA |
1860 | #if defined (BANG_HISTORY) |
1861 | int old_verify; | |
1862 | ||
1863 | old_verify = hist_verify; | |
1864 | hist_verify = 0; | |
1865 | #endif | |
726f6388 JA |
1866 | |
1867 | fprintf (rl_outstream, "\r\n"); | |
1868 | to_free = pre_process_line (rl_line_buffer, 1, 0); | |
b80f6443 JA |
1869 | #if defined (BANG_HISTORY) |
1870 | hist_verify = old_verify; | |
1871 | #endif | |
d166f048 | 1872 | if (to_free != rl_line_buffer) |
b80f6443 | 1873 | FREE (to_free); |
726f6388 JA |
1874 | putc ('\r', rl_outstream); |
1875 | rl_forced_update_display (); | |
1876 | } | |
1877 | ||
1878 | /* If NEW_LINE differs from what is in the readline line buffer, add an | |
1879 | undo record to get from the readline line buffer contents to the new | |
1880 | line and make NEW_LINE the current readline line. */ | |
1881 | static void | |
1882 | maybe_make_readline_line (new_line) | |
1883 | char *new_line; | |
1884 | { | |
1885 | if (strcmp (new_line, rl_line_buffer) != 0) | |
1886 | { | |
1887 | rl_point = rl_end; | |
1888 | ||
1889 | rl_add_undo (UNDO_BEGIN, 0, 0, 0); | |
1890 | rl_delete_text (0, rl_point); | |
7117c2d2 | 1891 | rl_point = rl_end = rl_mark = 0; |
726f6388 JA |
1892 | rl_insert_text (new_line); |
1893 | rl_add_undo (UNDO_END, 0, 0, 0); | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | /* Make NEW_LINE be the current readline line. This frees NEW_LINE. */ | |
1898 | static void | |
1899 | set_up_new_line (new_line) | |
1900 | char *new_line; | |
1901 | { | |
f73dda09 JA |
1902 | int old_point, at_end; |
1903 | ||
1904 | old_point = rl_point; | |
1905 | at_end = rl_point == rl_end; | |
726f6388 JA |
1906 | |
1907 | /* If the line was history and alias expanded, then make that | |
1908 | be one thing to undo. */ | |
1909 | maybe_make_readline_line (new_line); | |
1910 | free (new_line); | |
1911 | ||
1912 | /* Place rl_point where we think it should go. */ | |
1913 | if (at_end) | |
1914 | rl_point = rl_end; | |
1915 | else if (old_point < rl_end) | |
1916 | { | |
1917 | rl_point = old_point; | |
1918 | if (!whitespace (rl_line_buffer[rl_point])) | |
b72432fd | 1919 | rl_forward_word (1, 0); |
726f6388 JA |
1920 | } |
1921 | } | |
1922 | ||
cce855bc JA |
1923 | #if defined (ALIAS) |
1924 | /* Expand aliases in the current readline line. */ | |
1925 | static int | |
28ef6c31 JA |
1926 | alias_expand_line (count, ignore) |
1927 | int count, ignore; | |
cce855bc JA |
1928 | { |
1929 | char *new_line; | |
1930 | ||
1931 | new_line = alias_expand (rl_line_buffer); | |
1932 | ||
1933 | if (new_line) | |
1934 | { | |
1935 | set_up_new_line (new_line); | |
1936 | return (0); | |
1937 | } | |
1938 | else | |
1939 | { | |
1940 | cleanup_expansion_error (); | |
1941 | return (1); | |
1942 | } | |
1943 | } | |
1944 | #endif | |
1945 | ||
1946 | #if defined (BANG_HISTORY) | |
726f6388 | 1947 | /* History expand the line. */ |
cce855bc | 1948 | static int |
28ef6c31 JA |
1949 | history_expand_line (count, ignore) |
1950 | int count, ignore; | |
726f6388 JA |
1951 | { |
1952 | char *new_line; | |
1953 | ||
1954 | new_line = history_expand_line_internal (rl_line_buffer); | |
1955 | ||
1956 | if (new_line) | |
cce855bc JA |
1957 | { |
1958 | set_up_new_line (new_line); | |
1959 | return (0); | |
1960 | } | |
726f6388 | 1961 | else |
cce855bc JA |
1962 | { |
1963 | cleanup_expansion_error (); | |
1964 | return (1); | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | /* Expand history substitutions in the current line and then insert a | |
28ef6c31 | 1969 | space (hopefully close to where we were before). */ |
cce855bc | 1970 | static int |
28ef6c31 JA |
1971 | tcsh_magic_space (count, ignore) |
1972 | int count, ignore; | |
cce855bc | 1973 | { |
28ef6c31 JA |
1974 | int dist_from_end, old_point; |
1975 | ||
1976 | old_point = rl_point; | |
1977 | dist_from_end = rl_end - rl_point; | |
1978 | if (history_expand_line (count, ignore) == 0) | |
cce855bc | 1979 | { |
28ef6c31 JA |
1980 | /* Try a simple heuristic from Stephen Gildea <gildea@intouchsys.com>. |
1981 | This works if all expansions were before rl_point or if no expansions | |
1982 | were performed. */ | |
1983 | rl_point = (old_point == 0) ? old_point : rl_end - dist_from_end; | |
cce855bc JA |
1984 | rl_insert (1, ' '); |
1985 | return (0); | |
1986 | } | |
1987 | else | |
1988 | return (1); | |
726f6388 | 1989 | } |
95732b49 | 1990 | #endif /* BANG_HISTORY */ |
ccc6cda3 | 1991 | |
726f6388 | 1992 | /* History and alias expand the line. */ |
cce855bc | 1993 | static int |
28ef6c31 JA |
1994 | history_and_alias_expand_line (count, ignore) |
1995 | int count, ignore; | |
726f6388 JA |
1996 | { |
1997 | char *new_line; | |
1998 | ||
95732b49 JA |
1999 | new_line = 0; |
2000 | #if defined (BANG_HISTORY) | |
b80f6443 | 2001 | new_line = history_expand_line_internal (rl_line_buffer); |
95732b49 | 2002 | #endif |
726f6388 JA |
2003 | |
2004 | #if defined (ALIAS) | |
2005 | if (new_line) | |
2006 | { | |
2007 | char *alias_line; | |
2008 | ||
2009 | alias_line = alias_expand (new_line); | |
2010 | free (new_line); | |
2011 | new_line = alias_line; | |
2012 | } | |
2013 | #endif /* ALIAS */ | |
2014 | ||
2015 | if (new_line) | |
cce855bc JA |
2016 | { |
2017 | set_up_new_line (new_line); | |
2018 | return (0); | |
2019 | } | |
726f6388 | 2020 | else |
cce855bc JA |
2021 | { |
2022 | cleanup_expansion_error (); | |
2023 | return (1); | |
2024 | } | |
726f6388 JA |
2025 | } |
2026 | ||
2027 | /* History and alias expand the line, then perform the shell word | |
cce855bc JA |
2028 | expansions by calling expand_string. This can't use set_up_new_line() |
2029 | because we want the variable expansions as a separate undo'able | |
2030 | set of operations. */ | |
28ef6c31 JA |
2031 | static int |
2032 | shell_expand_line (count, ignore) | |
2033 | int count, ignore; | |
726f6388 JA |
2034 | { |
2035 | char *new_line; | |
ccc6cda3 | 2036 | WORD_LIST *expanded_string; |
726f6388 | 2037 | |
95732b49 JA |
2038 | new_line = 0; |
2039 | #if defined (BANG_HISTORY) | |
b80f6443 | 2040 | new_line = history_expand_line_internal (rl_line_buffer); |
95732b49 | 2041 | #endif |
726f6388 JA |
2042 | |
2043 | #if defined (ALIAS) | |
2044 | if (new_line) | |
2045 | { | |
2046 | char *alias_line; | |
2047 | ||
2048 | alias_line = alias_expand (new_line); | |
2049 | free (new_line); | |
2050 | new_line = alias_line; | |
2051 | } | |
2052 | #endif /* ALIAS */ | |
2053 | ||
2054 | if (new_line) | |
2055 | { | |
2056 | int old_point = rl_point; | |
2057 | int at_end = rl_point == rl_end; | |
2058 | ||
2059 | /* If the line was history and alias expanded, then make that | |
2060 | be one thing to undo. */ | |
2061 | maybe_make_readline_line (new_line); | |
2062 | free (new_line); | |
2063 | ||
2064 | /* If there is variable expansion to perform, do that as a separate | |
2065 | operation to be undone. */ | |
d166f048 JA |
2066 | new_line = savestring (rl_line_buffer); |
2067 | expanded_string = expand_string (new_line, 0); | |
2068 | FREE (new_line); | |
ccc6cda3 JA |
2069 | if (expanded_string == 0) |
2070 | { | |
f73dda09 | 2071 | new_line = (char *)xmalloc (1); |
ccc6cda3 JA |
2072 | new_line[0] = '\0'; |
2073 | } | |
2074 | else | |
2075 | { | |
2076 | new_line = string_list (expanded_string); | |
2077 | dispose_words (expanded_string); | |
2078 | } | |
726f6388 | 2079 | |
ccc6cda3 JA |
2080 | maybe_make_readline_line (new_line); |
2081 | free (new_line); | |
726f6388 | 2082 | |
ccc6cda3 JA |
2083 | /* Place rl_point where we think it should go. */ |
2084 | if (at_end) | |
2085 | rl_point = rl_end; | |
2086 | else if (old_point < rl_end) | |
2087 | { | |
2088 | rl_point = old_point; | |
2089 | if (!whitespace (rl_line_buffer[rl_point])) | |
b72432fd | 2090 | rl_forward_word (1, 0); |
ccc6cda3 | 2091 | } |
28ef6c31 | 2092 | return 0; |
726f6388 JA |
2093 | } |
2094 | else | |
28ef6c31 JA |
2095 | { |
2096 | cleanup_expansion_error (); | |
2097 | return 1; | |
2098 | } | |
726f6388 JA |
2099 | } |
2100 | ||
ccc6cda3 JA |
2101 | /* If FIGNORE is set, then don't match files with the given suffixes when |
2102 | completing filenames. If only one of the possibilities has an acceptable | |
726f6388 JA |
2103 | suffix, delete the others, else just return and let the completer |
2104 | signal an error. It is called by the completer when real | |
2105 | completions are done on filenames by the completer's internal | |
2106 | function, not for completion lists (M-?) and not on "other" | |
ccc6cda3 | 2107 | completion types, such as hostnames or commands. */ |
726f6388 | 2108 | |
ccc6cda3 | 2109 | static struct ignorevar fignore = |
726f6388 | 2110 | { |
ccc6cda3 JA |
2111 | "FIGNORE", |
2112 | (struct ign *)0, | |
2113 | 0, | |
2114 | (char *)0, | |
f73dda09 | 2115 | (sh_iv_item_func_t *) 0, |
ccc6cda3 | 2116 | }; |
726f6388 | 2117 | |
726f6388 | 2118 | static void |
ccc6cda3 | 2119 | _ignore_completion_names (names, name_func) |
726f6388 | 2120 | char **names; |
f73dda09 | 2121 | sh_ignore_func_t *name_func; |
726f6388 JA |
2122 | { |
2123 | char **newnames; | |
2124 | int idx, nidx; | |
cce855bc JA |
2125 | char **oldnames; |
2126 | int oidx; | |
726f6388 JA |
2127 | |
2128 | /* If there is only one completion, see if it is acceptable. If it is | |
2129 | not, free it up. In any case, short-circuit and return. This is a | |
2130 | special case because names[0] is not the prefix of the list of names | |
2131 | if there is only one completion; it is the completion itself. */ | |
2132 | if (names[1] == (char *)0) | |
2133 | { | |
b80f6443 JA |
2134 | if (force_fignore) |
2135 | if ((*name_func) (names[0]) == 0) | |
2136 | { | |
2137 | free (names[0]); | |
2138 | names[0] = (char *)NULL; | |
2139 | } | |
2140 | ||
726f6388 JA |
2141 | return; |
2142 | } | |
2143 | ||
2144 | /* Allocate space for array to hold list of pointers to matching | |
2145 | filenames. The pointers are copied back to NAMES when done. */ | |
2146 | for (nidx = 1; names[nidx]; nidx++) | |
2147 | ; | |
7117c2d2 | 2148 | newnames = strvec_create (nidx + 1); |
b80f6443 JA |
2149 | |
2150 | if (force_fignore == 0) | |
2151 | { | |
2152 | oldnames = strvec_create (nidx - 1); | |
2153 | oidx = 0; | |
2154 | } | |
726f6388 JA |
2155 | |
2156 | newnames[0] = names[0]; | |
2157 | for (idx = nidx = 1; names[idx]; idx++) | |
2158 | { | |
2159 | if ((*name_func) (names[idx])) | |
2160 | newnames[nidx++] = names[idx]; | |
b80f6443 JA |
2161 | else if (force_fignore == 0) |
2162 | oldnames[oidx++] = names[idx]; | |
726f6388 | 2163 | else |
28ef6c31 | 2164 | free (names[idx]); |
726f6388 JA |
2165 | } |
2166 | ||
2167 | newnames[nidx] = (char *)NULL; | |
2168 | ||
2169 | /* If none are acceptable then let the completer handle it. */ | |
2170 | if (nidx == 1) | |
2171 | { | |
b80f6443 JA |
2172 | if (force_fignore) |
2173 | { | |
2174 | free (names[0]); | |
2175 | names[0] = (char *)NULL; | |
2176 | } | |
2177 | else | |
2178 | free (oldnames); | |
2179 | ||
726f6388 JA |
2180 | free (newnames); |
2181 | return; | |
2182 | } | |
2183 | ||
b80f6443 JA |
2184 | if (force_fignore == 0) |
2185 | { | |
2186 | while (oidx) | |
2187 | free (oldnames[--oidx]); | |
2188 | free (oldnames); | |
2189 | } | |
cce855bc | 2190 | |
726f6388 JA |
2191 | /* If only one is acceptable, copy it to names[0] and return. */ |
2192 | if (nidx == 2) | |
2193 | { | |
2194 | free (names[0]); | |
2195 | names[0] = newnames[1]; | |
2196 | names[1] = (char *)NULL; | |
2197 | free (newnames); | |
2198 | return; | |
2199 | } | |
ccc6cda3 | 2200 | |
726f6388 JA |
2201 | /* Copy the acceptable names back to NAMES, set the new array end, |
2202 | and return. */ | |
2203 | for (nidx = 1; newnames[nidx]; nidx++) | |
2204 | names[nidx] = newnames[nidx]; | |
2205 | names[nidx] = (char *)NULL; | |
ccc6cda3 JA |
2206 | free (newnames); |
2207 | } | |
2208 | ||
2209 | static int | |
2210 | name_is_acceptable (name) | |
f73dda09 | 2211 | const char *name; |
ccc6cda3 JA |
2212 | { |
2213 | struct ign *p; | |
2214 | int nlen; | |
2215 | ||
2216 | for (nlen = strlen (name), p = fignore.ignores; p->val; p++) | |
2217 | { | |
2218 | if (nlen > p->len && p->len > 0 && STREQ (p->val, &name[nlen - p->len])) | |
2219 | return (0); | |
2220 | } | |
2221 | ||
2222 | return (1); | |
726f6388 JA |
2223 | } |
2224 | ||
b72432fd JA |
2225 | #if 0 |
2226 | static int | |
2227 | ignore_dot_names (name) | |
2228 | char *name; | |
2229 | { | |
2230 | return (name[0] != '.'); | |
2231 | } | |
2232 | #endif | |
2233 | ||
28ef6c31 | 2234 | static int |
726f6388 JA |
2235 | filename_completion_ignore (names) |
2236 | char **names; | |
2237 | { | |
b72432fd JA |
2238 | #if 0 |
2239 | if (glob_dot_filenames == 0) | |
2240 | _ignore_completion_names (names, ignore_dot_names); | |
2241 | #endif | |
2242 | ||
ccc6cda3 | 2243 | setup_ignore_patterns (&fignore); |
726f6388 | 2244 | |
ccc6cda3 | 2245 | if (fignore.num_ignores == 0) |
28ef6c31 | 2246 | return 0; |
726f6388 | 2247 | |
ccc6cda3 | 2248 | _ignore_completion_names (names, name_is_acceptable); |
28ef6c31 JA |
2249 | |
2250 | return 0; | |
726f6388 JA |
2251 | } |
2252 | ||
2253 | /* Return 1 if NAME is a directory. */ | |
2254 | static int | |
2255 | test_for_directory (name) | |
f73dda09 | 2256 | const char *name; |
726f6388 JA |
2257 | { |
2258 | struct stat finfo; | |
2259 | char *fn; | |
2260 | ||
7117c2d2 | 2261 | fn = bash_tilde_expand (name, 0); |
726f6388 JA |
2262 | if (stat (fn, &finfo) != 0) |
2263 | { | |
2264 | free (fn); | |
2265 | return 0; | |
2266 | } | |
2267 | free (fn); | |
2268 | return (S_ISDIR (finfo.st_mode)); | |
2269 | } | |
2270 | ||
2271 | /* Remove files from NAMES, leaving directories. */ | |
28ef6c31 | 2272 | static int |
726f6388 JA |
2273 | bash_ignore_filenames (names) |
2274 | char **names; | |
2275 | { | |
ccc6cda3 | 2276 | _ignore_completion_names (names, test_for_directory); |
28ef6c31 | 2277 | return 0; |
726f6388 JA |
2278 | } |
2279 | ||
bb70624e JA |
2280 | static int |
2281 | return_zero (name) | |
f73dda09 | 2282 | const char *name; |
bb70624e JA |
2283 | { |
2284 | return 0; | |
2285 | } | |
2286 | ||
28ef6c31 | 2287 | static int |
bb70624e JA |
2288 | bash_ignore_everything (names) |
2289 | char **names; | |
2290 | { | |
2291 | _ignore_completion_names (names, return_zero); | |
28ef6c31 | 2292 | return 0; |
bb70624e JA |
2293 | } |
2294 | ||
eb873671 JA |
2295 | /* Simulate the expansions that will be performed by |
2296 | rl_filename_completion_function. This must be called with the address of | |
2297 | a pointer to malloc'd memory. */ | |
95732b49 | 2298 | static void |
eb873671 JA |
2299 | bash_directory_expansion (dirname) |
2300 | char **dirname; | |
2301 | { | |
0628567a | 2302 | char *d, *nd; |
eb873671 JA |
2303 | |
2304 | d = savestring (*dirname); | |
2305 | ||
2306 | if (rl_directory_rewrite_hook) | |
2307 | (*rl_directory_rewrite_hook) (&d); | |
2308 | ||
2309 | if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&d)) | |
2310 | { | |
2311 | free (*dirname); | |
2312 | *dirname = d; | |
2313 | } | |
0628567a JA |
2314 | else if (rl_completion_found_quote) |
2315 | { | |
2316 | nd = bash_dequote_filename (d, rl_completion_quote_character); | |
2317 | free (*dirname); | |
2318 | free (d); | |
2319 | *dirname = nd; | |
2320 | } | |
eb873671 JA |
2321 | } |
2322 | ||
726f6388 JA |
2323 | /* Handle symbolic link references and other directory name |
2324 | expansions while hacking completion. */ | |
2325 | static int | |
2326 | bash_directory_completion_hook (dirname) | |
2327 | char **dirname; | |
2328 | { | |
b72432fd | 2329 | char *local_dirname, *new_dirname, *t; |
bb70624e | 2330 | int return_value, should_expand_dirname; |
726f6388 | 2331 | WORD_LIST *wl; |
b80f6443 | 2332 | struct stat sb; |
726f6388 | 2333 | |
bb70624e | 2334 | return_value = should_expand_dirname = 0; |
726f6388 | 2335 | local_dirname = *dirname; |
bb70624e JA |
2336 | |
2337 | #if 0 | |
7117c2d2 | 2338 | should_expand_dirname = xstrchr (local_dirname, '$') || xstrchr (local_dirname, '`'); |
bb70624e | 2339 | #else |
7117c2d2 | 2340 | if (xstrchr (local_dirname, '$')) |
bb70624e JA |
2341 | should_expand_dirname = 1; |
2342 | else | |
2343 | { | |
7117c2d2 | 2344 | t = xstrchr (local_dirname, '`'); |
bb70624e JA |
2345 | if (t && unclosed_pair (local_dirname, strlen (local_dirname), "`") == 0) |
2346 | should_expand_dirname = 1; | |
2347 | } | |
2348 | #endif | |
2349 | ||
b80f6443 JA |
2350 | #if defined (HAVE_LSTAT) |
2351 | if (should_expand_dirname && lstat (local_dirname, &sb) == 0) | |
2352 | #else | |
2353 | if (should_expand_dirname && stat (local_dirname, &sb) == 0) | |
2354 | #endif | |
2355 | should_expand_dirname = 0; | |
2356 | ||
bb70624e | 2357 | if (should_expand_dirname) |
726f6388 | 2358 | { |
bb70624e | 2359 | new_dirname = savestring (local_dirname); |
7117c2d2 | 2360 | wl = expand_prompt_string (new_dirname, 0); /* does the right thing */ |
726f6388 JA |
2361 | if (wl) |
2362 | { | |
2363 | *dirname = string_list (wl); | |
2364 | /* Tell the completer to replace the directory name only if we | |
2365 | actually expanded something. */ | |
2366 | return_value = STREQ (local_dirname, *dirname) == 0; | |
2367 | free (local_dirname); | |
b72432fd | 2368 | free (new_dirname); |
726f6388 JA |
2369 | dispose_words (wl); |
2370 | local_dirname = *dirname; | |
2371 | } | |
2372 | else | |
2373 | { | |
b72432fd | 2374 | free (new_dirname); |
726f6388 | 2375 | free (local_dirname); |
f73dda09 | 2376 | *dirname = (char *)xmalloc (1); |
ccc6cda3 | 2377 | **dirname = '\0'; |
726f6388 JA |
2378 | return 1; |
2379 | } | |
2380 | } | |
0628567a JA |
2381 | else |
2382 | { | |
2383 | /* Dequote the filename even if we don't expand it. */ | |
2384 | new_dirname = bash_dequote_filename (local_dirname, rl_completion_quote_character); | |
2385 | free (local_dirname); | |
2386 | local_dirname = *dirname = new_dirname; | |
2387 | } | |
726f6388 JA |
2388 | |
2389 | if (!no_symbolic_links && (local_dirname[0] != '.' || local_dirname[1])) | |
2390 | { | |
2391 | char *temp1, *temp2; | |
2392 | int len1, len2; | |
2393 | ||
2394 | t = get_working_directory ("symlink-hook"); | |
2395 | temp1 = make_absolute (local_dirname, t); | |
2396 | free (t); | |
28ef6c31 | 2397 | temp2 = sh_canonpath (temp1, PATH_CHECKDOTDOT|PATH_CHECKEXISTS); |
ccc6cda3 JA |
2398 | /* If we can't canonicalize, bail. */ |
2399 | if (temp2 == 0) | |
2400 | { | |
2401 | free (temp1); | |
2402 | return 1; | |
2403 | } | |
726f6388 JA |
2404 | len1 = strlen (temp1); |
2405 | if (temp1[len1 - 1] == '/') | |
28ef6c31 | 2406 | { |
726f6388 | 2407 | len2 = strlen (temp2); |
95732b49 JA |
2408 | if (len2 > 2) /* don't append `/' to `/' or `//' */ |
2409 | { | |
2410 | temp2 = (char *)xrealloc (temp2, len2 + 2); | |
2411 | temp2[len2] = '/'; | |
2412 | temp2[len2 + 1] = '\0'; | |
2413 | } | |
28ef6c31 | 2414 | } |
726f6388 JA |
2415 | free (local_dirname); |
2416 | *dirname = temp2; | |
2417 | free (temp1); | |
2418 | } | |
2419 | return (return_value); | |
2420 | } | |
2421 | ||
726f6388 | 2422 | static char **history_completion_array = (char **)NULL; |
ccc6cda3 JA |
2423 | static int harry_size; |
2424 | static int harry_len; | |
726f6388 JA |
2425 | |
2426 | static void | |
2427 | build_history_completion_array () | |
2428 | { | |
ccc6cda3 JA |
2429 | register int i, j; |
2430 | HIST_ENTRY **hlist; | |
2431 | char **tokens; | |
726f6388 JA |
2432 | |
2433 | /* First, clear out the current dynamic history completion list. */ | |
2434 | if (harry_size) | |
2435 | { | |
7117c2d2 | 2436 | strvec_dispose (history_completion_array); |
726f6388 JA |
2437 | history_completion_array = (char **)NULL; |
2438 | harry_size = 0; | |
2439 | harry_len = 0; | |
2440 | } | |
2441 | ||
2442 | /* Next, grovel each line of history, making each shell-sized token | |
2443 | a separate entry in the history_completion_array. */ | |
ccc6cda3 | 2444 | hlist = history_list (); |
726f6388 | 2445 | |
ccc6cda3 JA |
2446 | if (hlist) |
2447 | { | |
2448 | for (i = 0; hlist[i]; i++) | |
2449 | { | |
2450 | /* Separate each token, and place into an array. */ | |
2451 | tokens = history_tokenize (hlist[i]->line); | |
726f6388 | 2452 | |
ccc6cda3 JA |
2453 | for (j = 0; tokens && tokens[j]; j++) |
2454 | { | |
2455 | if (harry_len + 2 > harry_size) | |
7117c2d2 | 2456 | history_completion_array = strvec_resize (history_completion_array, harry_size += 10); |
726f6388 | 2457 | |
ccc6cda3 JA |
2458 | history_completion_array[harry_len++] = tokens[j]; |
2459 | history_completion_array[harry_len] = (char *)NULL; | |
2460 | } | |
2461 | free (tokens); | |
2462 | } | |
726f6388 | 2463 | |
ccc6cda3 | 2464 | /* Sort the complete list of tokens. */ |
7117c2d2 | 2465 | qsort (history_completion_array, harry_len, sizeof (char *), (QSFUNC *)strvec_strcmp); |
ccc6cda3 | 2466 | } |
726f6388 JA |
2467 | } |
2468 | ||
2469 | static char * | |
2470 | history_completion_generator (hint_text, state) | |
f73dda09 | 2471 | const char *hint_text; |
726f6388 JA |
2472 | int state; |
2473 | { | |
ccc6cda3 | 2474 | static int local_index, len; |
f73dda09 | 2475 | static const char *text; |
726f6388 JA |
2476 | |
2477 | /* If this is the first call to the generator, then initialize the | |
2478 | list of strings to complete over. */ | |
ccc6cda3 | 2479 | if (state == 0) |
726f6388 JA |
2480 | { |
2481 | local_index = 0; | |
2482 | build_history_completion_array (); | |
2483 | text = hint_text; | |
2484 | len = strlen (text); | |
2485 | } | |
2486 | ||
2487 | while (history_completion_array && history_completion_array[local_index]) | |
2488 | { | |
2489 | if (strncmp (text, history_completion_array[local_index++], len) == 0) | |
2490 | return (savestring (history_completion_array[local_index - 1])); | |
2491 | } | |
2492 | return ((char *)NULL); | |
2493 | } | |
2494 | ||
28ef6c31 | 2495 | static int |
726f6388 JA |
2496 | dynamic_complete_history (count, key) |
2497 | int count, key; | |
2498 | { | |
f73dda09 JA |
2499 | int r; |
2500 | ||
28ef6c31 JA |
2501 | rl_compentry_func_t *orig_func; |
2502 | rl_completion_func_t *orig_attempt_func; | |
726f6388 JA |
2503 | |
2504 | orig_func = rl_completion_entry_function; | |
2505 | orig_attempt_func = rl_attempted_completion_function; | |
28ef6c31 JA |
2506 | rl_completion_entry_function = history_completion_generator; |
2507 | rl_attempted_completion_function = (rl_completion_func_t *)NULL; | |
726f6388 | 2508 | |
7117c2d2 | 2509 | /* XXX - use rl_completion_mode here? */ |
28ef6c31 | 2510 | if (rl_last_func == dynamic_complete_history) |
f73dda09 | 2511 | r = rl_complete_internal ('?'); |
726f6388 | 2512 | else |
f73dda09 | 2513 | r = rl_complete_internal (TAB); |
726f6388 JA |
2514 | |
2515 | rl_completion_entry_function = orig_func; | |
2516 | rl_attempted_completion_function = orig_attempt_func; | |
f73dda09 | 2517 | return r; |
726f6388 JA |
2518 | } |
2519 | ||
726f6388 | 2520 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) |
28ef6c31 | 2521 | static int |
726f6388 JA |
2522 | bash_complete_username (ignore, ignore2) |
2523 | int ignore, ignore2; | |
2524 | { | |
7117c2d2 | 2525 | return bash_complete_username_internal (rl_completion_mode (bash_complete_username)); |
726f6388 JA |
2526 | } |
2527 | ||
28ef6c31 | 2528 | static int |
726f6388 JA |
2529 | bash_possible_username_completions (ignore, ignore2) |
2530 | int ignore, ignore2; | |
2531 | { | |
28ef6c31 | 2532 | return bash_complete_username_internal ('?'); |
726f6388 JA |
2533 | } |
2534 | ||
28ef6c31 | 2535 | static int |
726f6388 JA |
2536 | bash_complete_username_internal (what_to_do) |
2537 | int what_to_do; | |
2538 | { | |
28ef6c31 | 2539 | return bash_specific_completion (what_to_do, rl_username_completion_function); |
726f6388 JA |
2540 | } |
2541 | ||
28ef6c31 | 2542 | static int |
726f6388 JA |
2543 | bash_complete_filename (ignore, ignore2) |
2544 | int ignore, ignore2; | |
2545 | { | |
7117c2d2 | 2546 | return bash_complete_filename_internal (rl_completion_mode (bash_complete_filename)); |
726f6388 JA |
2547 | } |
2548 | ||
28ef6c31 | 2549 | static int |
726f6388 JA |
2550 | bash_possible_filename_completions (ignore, ignore2) |
2551 | int ignore, ignore2; | |
2552 | { | |
28ef6c31 | 2553 | return bash_complete_filename_internal ('?'); |
726f6388 JA |
2554 | } |
2555 | ||
28ef6c31 | 2556 | static int |
726f6388 JA |
2557 | bash_complete_filename_internal (what_to_do) |
2558 | int what_to_do; | |
2559 | { | |
28ef6c31 JA |
2560 | rl_compentry_func_t *orig_func; |
2561 | rl_completion_func_t *orig_attempt_func; | |
2562 | rl_icppfunc_t *orig_dir_func; | |
b80f6443 | 2563 | /*const*/ char *orig_rl_completer_word_break_characters; |
28ef6c31 | 2564 | int r; |
726f6388 JA |
2565 | |
2566 | orig_func = rl_completion_entry_function; | |
2567 | orig_attempt_func = rl_attempted_completion_function; | |
2568 | orig_dir_func = rl_directory_completion_hook; | |
2569 | orig_rl_completer_word_break_characters = rl_completer_word_break_characters; | |
28ef6c31 JA |
2570 | rl_completion_entry_function = rl_filename_completion_function; |
2571 | rl_attempted_completion_function = (rl_completion_func_t *)NULL; | |
2572 | rl_directory_completion_hook = (rl_icppfunc_t *)NULL; | |
726f6388 JA |
2573 | rl_completer_word_break_characters = " \t\n\"\'"; |
2574 | ||
28ef6c31 | 2575 | r = rl_complete_internal (what_to_do); |
726f6388 JA |
2576 | |
2577 | rl_completion_entry_function = orig_func; | |
2578 | rl_attempted_completion_function = orig_attempt_func; | |
2579 | rl_directory_completion_hook = orig_dir_func; | |
2580 | rl_completer_word_break_characters = orig_rl_completer_word_break_characters; | |
28ef6c31 JA |
2581 | |
2582 | return r; | |
726f6388 JA |
2583 | } |
2584 | ||
28ef6c31 | 2585 | static int |
726f6388 JA |
2586 | bash_complete_hostname (ignore, ignore2) |
2587 | int ignore, ignore2; | |
2588 | { | |
7117c2d2 | 2589 | return bash_complete_hostname_internal (rl_completion_mode (bash_complete_hostname)); |
726f6388 JA |
2590 | } |
2591 | ||
28ef6c31 | 2592 | static int |
726f6388 JA |
2593 | bash_possible_hostname_completions (ignore, ignore2) |
2594 | int ignore, ignore2; | |
2595 | { | |
28ef6c31 | 2596 | return bash_complete_hostname_internal ('?'); |
726f6388 JA |
2597 | } |
2598 | ||
28ef6c31 | 2599 | static int |
726f6388 JA |
2600 | bash_complete_variable (ignore, ignore2) |
2601 | int ignore, ignore2; | |
2602 | { | |
7117c2d2 | 2603 | return bash_complete_variable_internal (rl_completion_mode (bash_complete_variable)); |
726f6388 JA |
2604 | } |
2605 | ||
28ef6c31 | 2606 | static int |
726f6388 JA |
2607 | bash_possible_variable_completions (ignore, ignore2) |
2608 | int ignore, ignore2; | |
2609 | { | |
28ef6c31 | 2610 | return bash_complete_variable_internal ('?'); |
726f6388 JA |
2611 | } |
2612 | ||
28ef6c31 | 2613 | static int |
726f6388 JA |
2614 | bash_complete_command (ignore, ignore2) |
2615 | int ignore, ignore2; | |
2616 | { | |
7117c2d2 | 2617 | return bash_complete_command_internal (rl_completion_mode (bash_complete_command)); |
726f6388 JA |
2618 | } |
2619 | ||
28ef6c31 | 2620 | static int |
726f6388 JA |
2621 | bash_possible_command_completions (ignore, ignore2) |
2622 | int ignore, ignore2; | |
2623 | { | |
28ef6c31 | 2624 | return bash_complete_command_internal ('?'); |
726f6388 JA |
2625 | } |
2626 | ||
28ef6c31 | 2627 | static int |
726f6388 JA |
2628 | bash_complete_hostname_internal (what_to_do) |
2629 | int what_to_do; | |
2630 | { | |
28ef6c31 | 2631 | return bash_specific_completion (what_to_do, hostname_completion_function); |
726f6388 JA |
2632 | } |
2633 | ||
28ef6c31 | 2634 | static int |
726f6388 JA |
2635 | bash_complete_variable_internal (what_to_do) |
2636 | int what_to_do; | |
2637 | { | |
28ef6c31 | 2638 | return bash_specific_completion (what_to_do, variable_completion_function); |
726f6388 JA |
2639 | } |
2640 | ||
28ef6c31 | 2641 | static int |
726f6388 JA |
2642 | bash_complete_command_internal (what_to_do) |
2643 | int what_to_do; | |
2644 | { | |
28ef6c31 | 2645 | return bash_specific_completion (what_to_do, command_word_completion_function); |
726f6388 JA |
2646 | } |
2647 | ||
7117c2d2 JA |
2648 | static char *globtext; |
2649 | static char *globorig; | |
2650 | ||
ccc6cda3 JA |
2651 | static char * |
2652 | glob_complete_word (text, state) | |
28ef6c31 | 2653 | const char *text; |
ccc6cda3 JA |
2654 | int state; |
2655 | { | |
2656 | static char **matches = (char **)NULL; | |
2657 | static int ind; | |
7117c2d2 | 2658 | int glen; |
eb873671 | 2659 | char *ret, *ttext; |
ccc6cda3 JA |
2660 | |
2661 | if (state == 0) | |
2662 | { | |
e8ce775d | 2663 | rl_filename_completion_desired = 1; |
7117c2d2 JA |
2664 | FREE (matches); |
2665 | if (globorig != globtext) | |
2666 | FREE (globorig); | |
2667 | FREE (globtext); | |
2668 | ||
eb873671 JA |
2669 | ttext = bash_tilde_expand (text, 0); |
2670 | ||
7117c2d2 JA |
2671 | if (rl_explicit_arg) |
2672 | { | |
eb873671 JA |
2673 | globorig = savestring (ttext); |
2674 | glen = strlen (ttext); | |
7117c2d2 | 2675 | globtext = (char *)xmalloc (glen + 2); |
eb873671 | 2676 | strcpy (globtext, ttext); |
7117c2d2 JA |
2677 | globtext[glen] = '*'; |
2678 | globtext[glen+1] = '\0'; | |
2679 | } | |
2680 | else | |
eb873671 JA |
2681 | globtext = globorig = savestring (ttext); |
2682 | ||
2683 | if (ttext != text) | |
2684 | free (ttext); | |
7117c2d2 JA |
2685 | |
2686 | matches = shell_glob_filename (globtext); | |
ccc6cda3 | 2687 | if (GLOB_FAILED (matches)) |
28ef6c31 | 2688 | matches = (char **)NULL; |
ccc6cda3 JA |
2689 | ind = 0; |
2690 | } | |
2691 | ||
2692 | ret = matches ? matches[ind] : (char *)NULL; | |
2693 | ind++; | |
2694 | return ret; | |
2695 | } | |
2696 | ||
28ef6c31 | 2697 | static int |
ccc6cda3 JA |
2698 | bash_glob_completion_internal (what_to_do) |
2699 | int what_to_do; | |
2700 | { | |
28ef6c31 | 2701 | return bash_specific_completion (what_to_do, glob_complete_word); |
ccc6cda3 JA |
2702 | } |
2703 | ||
7117c2d2 JA |
2704 | /* A special quoting function so we don't end up quoting globbing characters |
2705 | in the word if there are no matches or multiple matches. */ | |
2706 | static char * | |
2707 | bash_glob_quote_filename (s, rtype, qcp) | |
2708 | char *s; | |
2709 | int rtype; | |
2710 | char *qcp; | |
2711 | { | |
2712 | if (globorig && qcp && *qcp == '\0' && STREQ (s, globorig)) | |
2713 | return (savestring (s)); | |
2714 | else | |
2715 | return (bash_quote_filename (s, rtype, qcp)); | |
2716 | } | |
2717 | ||
2718 | static int | |
2719 | bash_glob_complete_word (count, key) | |
2720 | int count, key; | |
2721 | { | |
2722 | int r; | |
2723 | rl_quote_func_t *orig_quoting_function; | |
2724 | ||
b80f6443 JA |
2725 | if (rl_editing_mode == EMACS_EDITING_MODE) |
2726 | rl_explicit_arg = 1; /* force `*' append */ | |
7117c2d2 JA |
2727 | orig_quoting_function = rl_filename_quoting_function; |
2728 | rl_filename_quoting_function = bash_glob_quote_filename; | |
2729 | ||
2730 | r = bash_glob_completion_internal (rl_completion_mode (bash_glob_complete_word)); | |
2731 | ||
2732 | rl_filename_quoting_function = orig_quoting_function; | |
2733 | return r; | |
2734 | } | |
2735 | ||
28ef6c31 | 2736 | static int |
ccc6cda3 JA |
2737 | bash_glob_expand_word (count, key) |
2738 | int count, key; | |
2739 | { | |
28ef6c31 | 2740 | return bash_glob_completion_internal ('*'); |
ccc6cda3 JA |
2741 | } |
2742 | ||
28ef6c31 | 2743 | static int |
ccc6cda3 JA |
2744 | bash_glob_list_expansions (count, key) |
2745 | int count, key; | |
2746 | { | |
28ef6c31 | 2747 | return bash_glob_completion_internal ('?'); |
ccc6cda3 JA |
2748 | } |
2749 | ||
28ef6c31 | 2750 | static int |
726f6388 JA |
2751 | bash_specific_completion (what_to_do, generator) |
2752 | int what_to_do; | |
28ef6c31 | 2753 | rl_compentry_func_t *generator; |
726f6388 | 2754 | { |
28ef6c31 JA |
2755 | rl_compentry_func_t *orig_func; |
2756 | rl_completion_func_t *orig_attempt_func; | |
2757 | int r; | |
726f6388 JA |
2758 | |
2759 | orig_func = rl_completion_entry_function; | |
2760 | orig_attempt_func = rl_attempted_completion_function; | |
2761 | rl_completion_entry_function = generator; | |
28ef6c31 | 2762 | rl_attempted_completion_function = NULL; |
726f6388 | 2763 | |
28ef6c31 | 2764 | r = rl_complete_internal (what_to_do); |
726f6388 JA |
2765 | |
2766 | rl_completion_entry_function = orig_func; | |
2767 | rl_attempted_completion_function = orig_attempt_func; | |
28ef6c31 JA |
2768 | |
2769 | return r; | |
726f6388 JA |
2770 | } |
2771 | ||
2772 | #endif /* SPECIFIC_COMPLETION_FUNCTIONS */ | |
ccc6cda3 | 2773 | |
b80f6443 JA |
2774 | #if defined (VI_MODE) |
2775 | /* Completion, from vi mode's point of view. This is a modified version of | |
2776 | rl_vi_complete which uses the bash globbing code to implement what POSIX | |
2777 | specifies, which is to append a `*' and attempt filename generation (which | |
2778 | has the side effect of expanding any globbing characters in the word). */ | |
2779 | static int | |
2780 | bash_vi_complete (count, key) | |
2781 | int count, key; | |
2782 | { | |
2783 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
2784 | int p, r; | |
2785 | char *t; | |
2786 | ||
2787 | if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point]))) | |
2788 | { | |
2789 | if (!whitespace (rl_line_buffer[rl_point + 1])) | |
2790 | rl_vi_end_word (1, 'E'); | |
2791 | rl_point++; | |
2792 | } | |
2793 | ||
2794 | /* Find boundaries of current word, according to vi definition of a | |
2795 | `bigword'. */ | |
2796 | t = 0; | |
2797 | if (rl_point > 0) | |
2798 | { | |
2799 | p = rl_point; | |
2800 | rl_vi_bWord (1, 'B'); | |
2801 | r = rl_point; | |
2802 | rl_point = p; | |
2803 | p = r; | |
2804 | ||
2805 | t = substring (rl_line_buffer, p, rl_point); | |
2806 | } | |
2807 | ||
2808 | if (t && glob_pattern_p (t) == 0) | |
2809 | rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*' */ | |
2810 | FREE (t); | |
2811 | ||
2812 | if (key == '*') /* Expansion and replacement. */ | |
2813 | r = bash_glob_expand_word (count, key); | |
2814 | else if (key == '=') /* List possible completions. */ | |
2815 | r = bash_glob_list_expansions (count, key); | |
2816 | else if (key == '\\') /* Standard completion */ | |
2817 | r = bash_glob_complete_word (count, key); | |
2818 | else | |
2819 | r = rl_complete (0, key); | |
2820 | ||
2821 | if (key == '*' || key == '\\') | |
2822 | rl_vi_start_inserting (key, 1, 1); | |
2823 | ||
2824 | return (r); | |
2825 | #else | |
2826 | return rl_vi_complete (count, key); | |
2827 | #endif /* !SPECIFIC_COMPLETION_FUNCTIONS */ | |
2828 | } | |
2829 | #endif /* VI_MODE */ | |
2830 | ||
ccc6cda3 | 2831 | /* Filename quoting for completion. */ |
bb70624e JA |
2832 | /* A function to strip unquoted quote characters (single quotes, double |
2833 | quotes, and backslashes). It allows single quotes to appear | |
2834 | within double quotes, and vice versa. It should be smarter. */ | |
ccc6cda3 JA |
2835 | static char * |
2836 | bash_dequote_filename (text, quote_char) | |
2837 | char *text; | |
28ef6c31 | 2838 | int quote_char; |
ccc6cda3 JA |
2839 | { |
2840 | char *ret, *p, *r; | |
2841 | int l, quoted; | |
2842 | ||
2843 | l = strlen (text); | |
f73dda09 | 2844 | ret = (char *)xmalloc (l + 1); |
ccc6cda3 JA |
2845 | for (quoted = quote_char, p = text, r = ret; p && *p; p++) |
2846 | { | |
2847 | /* Allow backslash-quoted characters to pass through unscathed. */ | |
2848 | if (*p == '\\') | |
2849 | { | |
2850 | *r++ = *++p; | |
2851 | if (*p == '\0') | |
2852 | break; | |
2853 | continue; | |
2854 | } | |
2855 | /* Close quote. */ | |
2856 | if (quoted && *p == quoted) | |
28ef6c31 JA |
2857 | { |
2858 | quoted = 0; | |
2859 | continue; | |
2860 | } | |
ccc6cda3 JA |
2861 | /* Open quote. */ |
2862 | if (quoted == 0 && (*p == '\'' || *p == '"')) | |
28ef6c31 JA |
2863 | { |
2864 | quoted = *p; | |
2865 | continue; | |
2866 | } | |
ccc6cda3 JA |
2867 | *r++ = *p; |
2868 | } | |
2869 | *r = '\0'; | |
2870 | return ret; | |
2871 | } | |
2872 | ||
d166f048 JA |
2873 | /* Quote characters that the readline completion code would treat as |
2874 | word break characters with backslashes. Pass backslash-quoted | |
2875 | characters through without examination. */ | |
2876 | static char * | |
2877 | quote_word_break_chars (text) | |
2878 | char *text; | |
2879 | { | |
2880 | char *ret, *r, *s; | |
2881 | int l; | |
2882 | ||
2883 | l = strlen (text); | |
f73dda09 | 2884 | ret = (char *)xmalloc ((2 * l) + 1); |
d166f048 JA |
2885 | for (s = text, r = ret; *s; s++) |
2886 | { | |
2887 | /* Pass backslash-quoted characters through, including the backslash. */ | |
2888 | if (*s == '\\') | |
2889 | { | |
2890 | *r++ = '\\'; | |
2891 | *r++ = *++s; | |
2892 | if (*s == '\0') | |
2893 | break; | |
2894 | continue; | |
2895 | } | |
2896 | /* OK, we have an unquoted character. Check its presence in | |
2897 | rl_completer_word_break_characters. */ | |
7117c2d2 | 2898 | if (xstrchr (rl_completer_word_break_characters, *s)) |
28ef6c31 | 2899 | *r++ = '\\'; |
d166f048 JA |
2900 | *r++ = *s; |
2901 | } | |
2902 | *r = '\0'; | |
2903 | return ret; | |
2904 | } | |
2905 | ||
2906 | /* Quote a filename using double quotes, single quotes, or backslashes | |
2907 | depending on the value of completion_quoting_style. If we're | |
2908 | completing using backslashes, we need to quote some additional | |
2909 | characters (those that readline treats as word breaks), so we call | |
7117c2d2 JA |
2910 | quote_word_break_chars on the result. This returns newly-allocated |
2911 | memory. */ | |
ccc6cda3 JA |
2912 | static char * |
2913 | bash_quote_filename (s, rtype, qcp) | |
2914 | char *s; | |
2915 | int rtype; | |
2916 | char *qcp; | |
2917 | { | |
2918 | char *rtext, *mtext, *ret; | |
2919 | int rlen, cs; | |
2920 | ||
2921 | rtext = (char *)NULL; | |
2922 | ||
2923 | /* If RTYPE == MULT_MATCH, it means that there is | |
2924 | more than one match. In this case, we do not add | |
2925 | the closing quote or attempt to perform tilde | |
2926 | expansion. If RTYPE == SINGLE_MATCH, we try | |
2927 | to perform tilde expansion, because single and double | |
2928 | quotes inhibit tilde expansion by the shell. */ | |
2929 | ||
ccc6cda3 JA |
2930 | cs = completion_quoting_style; |
2931 | /* Might need to modify the default completion style based on *qcp, | |
bb70624e JA |
2932 | since it's set to any user-provided opening quote. We also change |
2933 | to single-quoting if there is no user-provided opening quote and | |
2934 | the word being completed contains newlines, since those are not | |
2935 | quoted correctly using backslashes (a backslash-newline pair is | |
2936 | special to the shell parser). */ | |
95732b49 | 2937 | if (*qcp == '\0' && cs == COMPLETE_BSQUOTE && xstrchr (s, '\n')) |
bb70624e JA |
2938 | cs = COMPLETE_SQUOTE; |
2939 | else if (*qcp == '"') | |
ccc6cda3 JA |
2940 | cs = COMPLETE_DQUOTE; |
2941 | else if (*qcp == '\'') | |
2942 | cs = COMPLETE_SQUOTE; | |
2943 | #if defined (BANG_HISTORY) | |
2944 | else if (*qcp == '\0' && history_expansion && cs == COMPLETE_DQUOTE && | |
95732b49 | 2945 | history_expansion_inhibited == 0 && xstrchr (s, '!')) |
ccc6cda3 | 2946 | cs = COMPLETE_BSQUOTE; |
d166f048 JA |
2947 | |
2948 | if (*qcp == '"' && history_expansion && cs == COMPLETE_DQUOTE && | |
95732b49 | 2949 | history_expansion_inhibited == 0 && xstrchr (s, '!')) |
d166f048 JA |
2950 | { |
2951 | cs = COMPLETE_BSQUOTE; | |
2952 | *qcp = '\0'; | |
2953 | } | |
ccc6cda3 JA |
2954 | #endif |
2955 | ||
95732b49 JA |
2956 | /* Don't tilde-expand backslash-quoted filenames, since only single and |
2957 | double quotes inhibit tilde expansion. */ | |
2958 | mtext = s; | |
2959 | if (mtext[0] == '~' && rtype == SINGLE_MATCH && cs != COMPLETE_BSQUOTE) | |
2960 | mtext = bash_tilde_expand (s, 0); | |
2961 | ||
ccc6cda3 JA |
2962 | switch (cs) |
2963 | { | |
2964 | case COMPLETE_DQUOTE: | |
28ef6c31 | 2965 | rtext = sh_double_quote (mtext); |
ccc6cda3 JA |
2966 | break; |
2967 | case COMPLETE_SQUOTE: | |
28ef6c31 | 2968 | rtext = sh_single_quote (mtext); |
ccc6cda3 JA |
2969 | break; |
2970 | case COMPLETE_BSQUOTE: | |
28ef6c31 | 2971 | rtext = sh_backslash_quote (mtext); |
ccc6cda3 JA |
2972 | break; |
2973 | } | |
2974 | ||
2975 | if (mtext != s) | |
2976 | free (mtext); | |
2977 | ||
d166f048 JA |
2978 | /* We may need to quote additional characters: those that readline treats |
2979 | as word breaks that are not quoted by backslash_quote. */ | |
2980 | if (rtext && cs == COMPLETE_BSQUOTE) | |
2981 | { | |
2982 | mtext = quote_word_break_chars (rtext); | |
2983 | free (rtext); | |
2984 | rtext = mtext; | |
2985 | } | |
2986 | ||
ccc6cda3 JA |
2987 | /* Leave the opening quote intact. The readline completion code takes |
2988 | care of avoiding doubled opening quotes. */ | |
2989 | rlen = strlen (rtext); | |
f73dda09 | 2990 | ret = (char *)xmalloc (rlen + 1); |
ccc6cda3 JA |
2991 | strcpy (ret, rtext); |
2992 | ||
2993 | /* If there are multiple matches, cut off the closing quote. */ | |
2994 | if (rtype == MULT_MATCH && cs != COMPLETE_BSQUOTE) | |
2995 | ret[rlen - 1] = '\0'; | |
2996 | free (rtext); | |
2997 | return ret; | |
2998 | } | |
2999 | ||
bb70624e JA |
3000 | /* Support for binding readline key sequences to Unix commands. */ |
3001 | static Keymap cmd_xmap; | |
3002 | ||
3003 | static int | |
3004 | bash_execute_unix_command (count, key) | |
3005 | int count; /* ignored */ | |
3006 | int key; | |
3007 | { | |
3008 | Keymap ckmap; /* current keymap */ | |
3009 | Keymap xkmap; /* unix command executing keymap */ | |
3010 | register int i; | |
3011 | char *cmd; | |
b80f6443 | 3012 | sh_parser_state_t ps; |
bb70624e JA |
3013 | |
3014 | /* First, we need to find the right command to execute. This is tricky, | |
3015 | because we might have already indirected into another keymap. */ | |
3016 | ckmap = rl_get_keymap (); | |
3017 | if (ckmap != rl_executing_keymap) | |
3018 | { | |
3019 | /* bogus. we have to search. only handle one level of indirection. */ | |
3020 | for (i = 0; i < KEYMAP_SIZE; i++) | |
3021 | { | |
3022 | if (ckmap[i].type == ISKMAP && (Keymap)ckmap[i].function == rl_executing_keymap) | |
3023 | break; | |
3024 | } | |
3025 | if (i < KEYMAP_SIZE) | |
28ef6c31 | 3026 | xkmap = (Keymap)cmd_xmap[i].function; |
bb70624e JA |
3027 | else |
3028 | { | |
28ef6c31 | 3029 | rl_crlf (); |
b80f6443 | 3030 | internal_error (_("bash_execute_unix_command: cannot find keymap for command")); |
28ef6c31 JA |
3031 | rl_forced_update_display (); |
3032 | return 1; | |
bb70624e JA |
3033 | } |
3034 | } | |
3035 | else | |
3036 | xkmap = cmd_xmap; | |
3037 | ||
3038 | cmd = (char *)xkmap[key].function; | |
3039 | ||
3040 | if (cmd == 0) | |
3041 | { | |
28ef6c31 | 3042 | rl_ding (); |
bb70624e JA |
3043 | return 1; |
3044 | } | |
3045 | ||
28ef6c31 | 3046 | rl_crlf (); /* move to a new line */ |
bb70624e | 3047 | |
b80f6443 | 3048 | save_parser_state (&ps); |
7117c2d2 | 3049 | |
bb70624e | 3050 | cmd = savestring (cmd); |
7117c2d2 JA |
3051 | parse_and_execute (cmd, "bash_execute_unix_command", SEVAL_NOHIST); |
3052 | ||
b80f6443 | 3053 | restore_parser_state (&ps); |
bb70624e JA |
3054 | |
3055 | /* and restore the readline buffer and display after command execution. */ | |
3056 | rl_forced_update_display (); | |
3057 | return 0; | |
3058 | } | |
3059 | ||
3060 | static void | |
3061 | init_unix_command_map () | |
3062 | { | |
3063 | cmd_xmap = rl_make_bare_keymap (); | |
3064 | } | |
3065 | ||
3066 | static int | |
3067 | isolate_sequence (string, ind, need_dquote, startp) | |
3068 | char *string; | |
3069 | int ind, need_dquote, *startp; | |
3070 | { | |
3071 | register int i; | |
3072 | int c, passc, delim; | |
3073 | ||
3074 | for (i = ind; string[i] && whitespace (string[i]); i++) | |
3075 | ; | |
3076 | /* NEED_DQUOTE means that the first non-white character *must* be `"'. */ | |
3077 | if (need_dquote && string[i] != '"') | |
3078 | { | |
b80f6443 | 3079 | builtin_error (_("%s: first non-whitespace character is not `\"'"), string); |
bb70624e JA |
3080 | return -1; |
3081 | } | |
3082 | ||
3083 | /* We can have delimited strings even if NEED_DQUOTE == 0, like the command | |
3084 | string to bind the key sequence to. */ | |
3085 | delim = (string[i] == '"' || string[i] == '\'') ? string[i] : 0; | |
3086 | ||
3087 | if (startp) | |
3088 | *startp = delim ? ++i : i; | |
3089 | ||
3090 | for (passc = 0; c = string[i]; i++) | |
3091 | { | |
3092 | if (passc) | |
3093 | { | |
3094 | passc = 0; | |
3095 | continue; | |
3096 | } | |
3097 | if (c == '\\') | |
3098 | { | |
3099 | passc++; | |
3100 | continue; | |
3101 | } | |
3102 | if (c == delim) | |
28ef6c31 | 3103 | break; |
bb70624e JA |
3104 | } |
3105 | ||
3106 | if (delim && string[i] != delim) | |
3107 | { | |
b80f6443 | 3108 | builtin_error (_("no closing `%c' in %s"), delim, string); |
bb70624e JA |
3109 | return -1; |
3110 | } | |
3111 | ||
3112 | return i; | |
3113 | } | |
3114 | ||
3115 | int | |
3116 | bind_keyseq_to_unix_command (line) | |
3117 | char *line; | |
3118 | { | |
3119 | Keymap kmap; | |
3120 | char *kseq, *value; | |
f73dda09 | 3121 | int i, kstart; |
bb70624e JA |
3122 | |
3123 | if (cmd_xmap == 0) | |
3124 | init_unix_command_map (); | |
3125 | ||
3126 | kmap = rl_get_keymap (); | |
3127 | ||
3128 | /* We duplicate some of the work done by rl_parse_and_bind here, but | |
3129 | this code only has to handle `"keyseq": ["]command["]' and can | |
3130 | generate an error for anything else. */ | |
3131 | i = isolate_sequence (line, 0, 1, &kstart); | |
3132 | if (i < 0) | |
3133 | return -1; | |
3134 | ||
3135 | /* Create the key sequence string to pass to rl_generic_bind */ | |
3136 | kseq = substring (line, kstart, i); | |
3137 | ||
3138 | for ( ; line[i] && line[i] != ':'; i++) | |
3139 | ; | |
3140 | if (line[i] != ':') | |
3141 | { | |
b80f6443 | 3142 | builtin_error (_("%s: missing colon separator"), line); |
bb70624e JA |
3143 | return -1; |
3144 | } | |
3145 | ||
3146 | i = isolate_sequence (line, i + 1, 0, &kstart); | |
3147 | if (i < 0) | |
3148 | return -1; | |
3149 | ||
3150 | /* Create the value string containing the command to execute. */ | |
3151 | value = substring (line, kstart, i); | |
3152 | ||
3153 | /* Save the command to execute and the key sequence in the CMD_XMAP */ | |
3154 | rl_generic_bind (ISMACR, kseq, value, cmd_xmap); | |
3155 | ||
3156 | /* and bind the key sequence in the current keymap to a function that | |
3157 | understands how to execute from CMD_XMAP */ | |
b80f6443 | 3158 | rl_bind_keyseq_in_map (kseq, bash_execute_unix_command, kmap); |
bb70624e JA |
3159 | |
3160 | return 0; | |
3161 | } | |
3162 | ||
3163 | /* Used by the programmable completion code. Complete TEXT as a filename, | |
3164 | but return only directories as matches. Dequotes the filename before | |
3165 | attempting to find matches. */ | |
3166 | char ** | |
3167 | bash_directory_completion_matches (text) | |
28ef6c31 | 3168 | const char *text; |
bb70624e JA |
3169 | { |
3170 | char **m1; | |
3171 | char *dfn; | |
3172 | int qc; | |
3173 | ||
b80f6443 | 3174 | qc = rl_dispatching ? rl_completion_quote_character : 0; |
28ef6c31 JA |
3175 | dfn = bash_dequote_filename ((char *)text, qc); |
3176 | m1 = rl_completion_matches (dfn, rl_filename_completion_function); | |
bb70624e JA |
3177 | free (dfn); |
3178 | ||
3179 | if (m1 == 0 || m1[0] == 0) | |
3180 | return m1; | |
3181 | /* We don't bother recomputing the lcd of the matches, because it will just | |
3182 | get thrown away by the programmable completion code and recomputed | |
3183 | later. */ | |
3184 | (void)bash_ignore_filenames (m1); | |
3185 | return m1; | |
3186 | } | |
b80f6443 JA |
3187 | |
3188 | char * | |
3189 | bash_dequote_text (text) | |
3190 | const char *text; | |
3191 | { | |
3192 | char *dtxt; | |
3193 | int qc; | |
3194 | ||
3195 | qc = (text[0] == '"' || text[0] == '\'') ? text[0] : 0; | |
3196 | dtxt = bash_dequote_filename ((char *)text, qc); | |
3197 | return (dtxt); | |
3198 | } | |
ccc6cda3 | 3199 | #endif /* READLINE */ |