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d60d9f65 SS |
1 | /* complete.c -- filename completion for readline. */ |
2 | ||
775e241e | 3 | /* Copyright (C) 1987-2015 Free Software Foundation, Inc. |
d60d9f65 | 4 | |
cc88a640 JK |
5 | This file is part of the GNU Readline Library (Readline), a library |
6 | for reading lines of text with interactive input and history editing. | |
d60d9f65 | 7 | |
cc88a640 JK |
8 | Readline is free software: you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation, either version 3 of the License, or | |
d60d9f65 SS |
11 | (at your option) any later version. |
12 | ||
cc88a640 JK |
13 | Readline is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
d60d9f65 SS |
16 | GNU General Public License for more details. |
17 | ||
cc88a640 JK |
18 | You should have received a copy of the GNU General Public License |
19 | along with Readline. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
d60d9f65 SS |
22 | #define READLINE_LIBRARY |
23 | ||
24 | #if defined (HAVE_CONFIG_H) | |
25 | # include <config.h> | |
26 | #endif | |
27 | ||
28 | #include <sys/types.h> | |
29 | #include <fcntl.h> | |
30 | #if defined (HAVE_SYS_FILE_H) | |
5bdf8622 | 31 | # include <sys/file.h> |
d60d9f65 SS |
32 | #endif |
33 | ||
775e241e TT |
34 | #include <signal.h> |
35 | ||
d60d9f65 SS |
36 | #if defined (HAVE_UNISTD_H) |
37 | # include <unistd.h> | |
38 | #endif /* HAVE_UNISTD_H */ | |
39 | ||
40 | #if defined (HAVE_STDLIB_H) | |
41 | # include <stdlib.h> | |
42 | #else | |
43 | # include "ansi_stdlib.h" | |
44 | #endif /* HAVE_STDLIB_H */ | |
45 | ||
46 | #include <stdio.h> | |
47 | ||
48 | #include <errno.h> | |
49 | #if !defined (errno) | |
50 | extern int errno; | |
51 | #endif /* !errno */ | |
52 | ||
5bdf8622 | 53 | #if defined (HAVE_PWD_H) |
d60d9f65 | 54 | #include <pwd.h> |
430b7832 | 55 | #endif |
d60d9f65 SS |
56 | |
57 | #include "posixdir.h" | |
58 | #include "posixstat.h" | |
59 | ||
60 | /* System-specific feature definitions and include files. */ | |
61 | #include "rldefs.h" | |
9255ee31 | 62 | #include "rlmbutil.h" |
d60d9f65 SS |
63 | |
64 | /* Some standard library routines. */ | |
65 | #include "readline.h" | |
1b17e766 EZ |
66 | #include "xmalloc.h" |
67 | #include "rlprivate.h" | |
d60d9f65 | 68 | |
775e241e TT |
69 | #if defined (COLOR_SUPPORT) |
70 | # include "colors.h" | |
71 | #endif | |
72 | ||
1b17e766 EZ |
73 | #ifdef __STDC__ |
74 | typedef int QSFUNC (const void *, const void *); | |
75 | #else | |
76 | typedef int QSFUNC (); | |
77 | #endif | |
d60d9f65 | 78 | |
9255ee31 EZ |
79 | #ifdef HAVE_LSTAT |
80 | # define LSTAT lstat | |
81 | #else | |
82 | # define LSTAT stat | |
83 | #endif | |
84 | ||
85 | /* Unix version of a hidden file. Could be different on other systems. */ | |
86 | #define HIDDEN_FILE(fname) ((fname)[0] == '.') | |
87 | ||
88 | /* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is | |
89 | defined. */ | |
5bdf8622 | 90 | #if defined (HAVE_GETPWENT) && (!defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE)) |
9255ee31 | 91 | extern struct passwd *getpwent PARAMS((void)); |
5bdf8622 | 92 | #endif /* HAVE_GETPWENT && (!HAVE_GETPW_DECLS || _POSIX_SOURCE) */ |
9255ee31 | 93 | |
c862e87b JM |
94 | /* If non-zero, then this is the address of a function to call when |
95 | completing a word would normally display the list of possible matches. | |
96 | This function is called instead of actually doing the display. | |
97 | It takes three arguments: (char **matches, int num_matches, int max_length) | |
98 | where MATCHES is the array of strings that matched, NUM_MATCHES is the | |
99 | number of strings in that array, and MAX_LENGTH is the length of the | |
100 | longest string in that array. */ | |
9255ee31 | 101 | rl_compdisp_func_t *rl_completion_display_matches_hook = (rl_compdisp_func_t *)NULL; |
d60d9f65 | 102 | |
775e241e | 103 | #if defined (VISIBLE_STATS) || defined (COLOR_SUPPORT) |
d60d9f65 SS |
104 | # if !defined (X_OK) |
105 | # define X_OK 1 | |
106 | # endif | |
775e241e TT |
107 | #endif |
108 | ||
109 | #if defined (VISIBLE_STATS) | |
9255ee31 | 110 | static int stat_char PARAMS((char *)); |
d60d9f65 SS |
111 | #endif |
112 | ||
775e241e TT |
113 | #if defined (COLOR_SUPPORT) |
114 | static int colored_stat_start PARAMS((const char *)); | |
115 | static void colored_stat_end PARAMS((void)); | |
116 | static int colored_prefix_start PARAMS((void)); | |
117 | static void colored_prefix_end PARAMS((void)); | |
118 | #endif | |
119 | ||
5bdf8622 DJ |
120 | static int path_isdir PARAMS((const char *)); |
121 | ||
9255ee31 EZ |
122 | static char *rl_quote_filename PARAMS((char *, int, char *)); |
123 | ||
775e241e TT |
124 | static void _rl_complete_sigcleanup PARAMS((int, void *)); |
125 | ||
9255ee31 EZ |
126 | static void set_completion_defaults PARAMS((int)); |
127 | static int get_y_or_n PARAMS((int)); | |
128 | static int _rl_internal_pager PARAMS((int)); | |
129 | static char *printable_part PARAMS((char *)); | |
5bdf8622 | 130 | static int fnwidth PARAMS((const char *)); |
775e241e | 131 | static int fnprint PARAMS((const char *, int, const char *)); |
cc88a640 | 132 | static int print_filename PARAMS((char *, char *, int)); |
d60d9f65 | 133 | |
9255ee31 EZ |
134 | static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int)); |
135 | ||
136 | static char **remove_duplicate_matches PARAMS((char **)); | |
137 | static void insert_match PARAMS((char *, int, int, char *)); | |
138 | static int append_to_match PARAMS((char *, int, int, int)); | |
139 | static void insert_all_matches PARAMS((char **, int, char *)); | |
cc88a640 | 140 | static int complete_fncmp PARAMS((const char *, int, const char *, int)); |
9255ee31 EZ |
141 | static void display_matches PARAMS((char **)); |
142 | static int compute_lcd_of_matches PARAMS((char **, int, const char *)); | |
143 | static int postprocess_matches PARAMS((char ***, int)); | |
cc88a640 | 144 | static int complete_get_screenwidth PARAMS((void)); |
9255ee31 EZ |
145 | |
146 | static char *make_quoted_replacement PARAMS((char *, int, char *)); | |
d60d9f65 SS |
147 | |
148 | /* **************************************************************** */ | |
149 | /* */ | |
150 | /* Completion matching, from readline's point of view. */ | |
151 | /* */ | |
152 | /* **************************************************************** */ | |
153 | ||
154 | /* Variables known only to the readline library. */ | |
155 | ||
156 | /* If non-zero, non-unique completions always show the list of matches. */ | |
157 | int _rl_complete_show_all = 0; | |
158 | ||
5bdf8622 DJ |
159 | /* If non-zero, non-unique completions show the list of matches, unless it |
160 | is not possible to do partial completion and modify the line. */ | |
161 | int _rl_complete_show_unmodified = 0; | |
162 | ||
d60d9f65 SS |
163 | /* If non-zero, completed directory names have a slash appended. */ |
164 | int _rl_complete_mark_directories = 1; | |
165 | ||
9255ee31 EZ |
166 | /* If non-zero, the symlinked directory completion behavior introduced in |
167 | readline-4.2a is disabled, and symlinks that point to directories have | |
168 | a slash appended (subject to the value of _rl_complete_mark_directories). | |
169 | This is user-settable via the mark-symlinked-directories variable. */ | |
170 | int _rl_complete_mark_symlink_dirs = 0; | |
171 | ||
d60d9f65 SS |
172 | /* If non-zero, completions are printed horizontally in alphabetical order, |
173 | like `ls -x'. */ | |
174 | int _rl_print_completions_horizontally; | |
175 | ||
176 | /* Non-zero means that case is not significant in filename completion. */ | |
775e241e | 177 | #if (defined (__MSDOS__) && !defined (__DJGPP__)) || (defined (_WIN32) && !defined (__CYGWIN__)) |
1b17e766 EZ |
178 | int _rl_completion_case_fold = 1; |
179 | #else | |
cc88a640 | 180 | int _rl_completion_case_fold = 0; |
1b17e766 | 181 | #endif |
d60d9f65 | 182 | |
cc88a640 JK |
183 | /* Non-zero means that `-' and `_' are equivalent when comparing filenames |
184 | for completion. */ | |
185 | int _rl_completion_case_map = 0; | |
186 | ||
187 | /* If zero, don't match hidden files (filenames beginning with a `.' on | |
9255ee31 EZ |
188 | Unix) when doing filename completion. */ |
189 | int _rl_match_hidden_files = 1; | |
190 | ||
cc88a640 JK |
191 | /* Length in characters of a common prefix replaced with an ellipsis (`...') |
192 | when displaying completion matches. Matches whose printable portion has | |
193 | more than this number of displaying characters in common will have the common | |
194 | display prefix replaced with an ellipsis. */ | |
195 | int _rl_completion_prefix_display_length = 0; | |
196 | ||
197 | /* The readline-private number of screen columns to use when displaying | |
198 | matches. If < 0 or > _rl_screenwidth, it is ignored. */ | |
199 | int _rl_completion_columns = -1; | |
200 | ||
d60d9f65 SS |
201 | /* Global variables available to applications using readline. */ |
202 | ||
203 | #if defined (VISIBLE_STATS) | |
204 | /* Non-zero means add an additional character to each filename displayed | |
205 | during listing completion iff rl_filename_completion_desired which helps | |
206 | to indicate the type of file being listed. */ | |
207 | int rl_visible_stats = 0; | |
208 | #endif /* VISIBLE_STATS */ | |
209 | ||
775e241e TT |
210 | #if defined (COLOR_SUPPORT) |
211 | /* Non-zero means to use colors to indicate file type when listing possible | |
212 | completions. The colors used are taken from $LS_COLORS, if set. */ | |
213 | int _rl_colored_stats = 0; | |
214 | ||
215 | /* Non-zero means to use a color (currently magenta) to indicate the common | |
216 | prefix of a set of possible word completions. */ | |
217 | int _rl_colored_completion_prefix = 0; | |
218 | #endif | |
219 | ||
cc88a640 JK |
220 | /* If non-zero, when completing in the middle of a word, don't insert |
221 | characters from the match that match characters following point in | |
222 | the word. This means, for instance, completing when the cursor is | |
223 | after the `e' in `Makefile' won't result in `Makefilefile'. */ | |
224 | int _rl_skip_completed_text = 0; | |
225 | ||
226 | /* If non-zero, menu completion displays the common prefix first in the | |
227 | cycle of possible completions instead of the last. */ | |
228 | int _rl_menu_complete_prefix_first = 0; | |
229 | ||
d60d9f65 SS |
230 | /* If non-zero, then this is the address of a function to call when |
231 | completing on a directory name. The function is called with | |
232 | the address of a string (the current directory name) as an arg. */ | |
9255ee31 EZ |
233 | rl_icppfunc_t *rl_directory_completion_hook = (rl_icppfunc_t *)NULL; |
234 | ||
235 | rl_icppfunc_t *rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL; | |
d60d9f65 | 236 | |
775e241e TT |
237 | rl_icppfunc_t *rl_filename_stat_hook = (rl_icppfunc_t *)NULL; |
238 | ||
cc88a640 JK |
239 | /* If non-zero, this is the address of a function to call when reading |
240 | directory entries from the filesystem for completion and comparing | |
241 | them to the partial word to be completed. The function should | |
242 | either return its first argument (if no conversion takes place) or | |
243 | newly-allocated memory. This can, for instance, convert filenames | |
244 | between character sets for comparison against what's typed at the | |
245 | keyboard. The returned value is what is added to the list of | |
246 | matches. The second argument is the length of the filename to be | |
247 | converted. */ | |
248 | rl_dequote_func_t *rl_filename_rewrite_hook = (rl_dequote_func_t *)NULL; | |
249 | ||
d60d9f65 SS |
250 | /* Non-zero means readline completion functions perform tilde expansion. */ |
251 | int rl_complete_with_tilde_expansion = 0; | |
252 | ||
253 | /* Pointer to the generator function for completion_matches (). | |
9255ee31 | 254 | NULL means to use rl_filename_completion_function (), the default filename |
d60d9f65 | 255 | completer. */ |
9255ee31 | 256 | rl_compentry_func_t *rl_completion_entry_function = (rl_compentry_func_t *)NULL; |
d60d9f65 | 257 | |
cc88a640 JK |
258 | /* Pointer to generator function for rl_menu_complete (). NULL means to use |
259 | *rl_completion_entry_function (see above). */ | |
260 | rl_compentry_func_t *rl_menu_completion_entry_function = (rl_compentry_func_t *)NULL; | |
261 | ||
d60d9f65 SS |
262 | /* Pointer to alternative function to create matches. |
263 | Function is called with TEXT, START, and END. | |
264 | START and END are indices in RL_LINE_BUFFER saying what the boundaries | |
265 | of TEXT are. | |
266 | If this function exists and returns NULL then call the value of | |
267 | rl_completion_entry_function to try to match, otherwise use the | |
268 | array of strings returned. */ | |
9255ee31 | 269 | rl_completion_func_t *rl_attempted_completion_function = (rl_completion_func_t *)NULL; |
d60d9f65 SS |
270 | |
271 | /* Non-zero means to suppress normal filename completion after the | |
272 | user-specified completion function has been called. */ | |
273 | int rl_attempted_completion_over = 0; | |
274 | ||
275 | /* Set to a character indicating the type of completion being performed | |
276 | by rl_complete_internal, available for use by application completion | |
277 | functions. */ | |
278 | int rl_completion_type = 0; | |
279 | ||
280 | /* Up to this many items will be displayed in response to a | |
281 | possible-completions call. After that, we ask the user if | |
5bdf8622 DJ |
282 | she is sure she wants to see them all. A negative value means |
283 | don't ask. */ | |
d60d9f65 SS |
284 | int rl_completion_query_items = 100; |
285 | ||
9255ee31 EZ |
286 | int _rl_page_completions = 1; |
287 | ||
d60d9f65 SS |
288 | /* The basic list of characters that signal a break between words for the |
289 | completer routine. The contents of this variable is what breaks words | |
290 | in the shell, i.e. " \t\n\"\\'`@$><=" */ | |
9255ee31 | 291 | const char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; /* }) */ |
d60d9f65 SS |
292 | |
293 | /* List of basic quoting characters. */ | |
9255ee31 | 294 | const char *rl_basic_quote_characters = "\"'"; |
d60d9f65 SS |
295 | |
296 | /* The list of characters that signal a break between words for | |
297 | rl_complete_internal. The default list is the contents of | |
298 | rl_basic_word_break_characters. */ | |
5bdf8622 DJ |
299 | /*const*/ char *rl_completer_word_break_characters = (/*const*/ char *)NULL; |
300 | ||
301 | /* Hook function to allow an application to set the completion word | |
302 | break characters before readline breaks up the line. Allows | |
303 | position-dependent word break characters. */ | |
304 | rl_cpvfunc_t *rl_completion_word_break_hook = (rl_cpvfunc_t *)NULL; | |
d60d9f65 SS |
305 | |
306 | /* List of characters which can be used to quote a substring of the line. | |
307 | Completion occurs on the entire substring, and within the substring | |
308 | rl_completer_word_break_characters are treated as any other character, | |
309 | unless they also appear within this list. */ | |
9255ee31 | 310 | const char *rl_completer_quote_characters = (const char *)NULL; |
d60d9f65 SS |
311 | |
312 | /* List of characters that should be quoted in filenames by the completer. */ | |
9255ee31 | 313 | const char *rl_filename_quote_characters = (const char *)NULL; |
d60d9f65 SS |
314 | |
315 | /* List of characters that are word break characters, but should be left | |
316 | in TEXT when it is passed to the completion function. The shell uses | |
317 | this to help determine what kind of completing to do. */ | |
9255ee31 | 318 | const char *rl_special_prefixes = (const char *)NULL; |
d60d9f65 SS |
319 | |
320 | /* If non-zero, then disallow duplicates in the matches. */ | |
321 | int rl_ignore_completion_duplicates = 1; | |
322 | ||
323 | /* Non-zero means that the results of the matches are to be treated | |
324 | as filenames. This is ALWAYS zero on entry, and can only be changed | |
325 | within a completion entry finder function. */ | |
326 | int rl_filename_completion_desired = 0; | |
327 | ||
328 | /* Non-zero means that the results of the matches are to be quoted using | |
329 | double quotes (or an application-specific quoting mechanism) if the | |
330 | filename contains any characters in rl_filename_quote_chars. This is | |
331 | ALWAYS non-zero on entry, and can only be changed within a completion | |
332 | entry finder function. */ | |
333 | int rl_filename_quoting_desired = 1; | |
334 | ||
335 | /* This function, if defined, is called by the completer when real | |
336 | filename completion is done, after all the matching names have been | |
337 | generated. It is passed a (char**) known as matches in the code below. | |
338 | It consists of a NULL-terminated array of pointers to potential | |
339 | matching strings. The 1st element (matches[0]) is the maximal | |
340 | substring that is common to all matches. This function can re-arrange | |
341 | the list of matches as required, but all elements of the array must be | |
342 | free()'d if they are deleted. The main intent of this function is | |
343 | to implement FIGNORE a la SunOS csh. */ | |
9255ee31 | 344 | rl_compignore_func_t *rl_ignore_some_completions_function = (rl_compignore_func_t *)NULL; |
d60d9f65 SS |
345 | |
346 | /* Set to a function to quote a filename in an application-specific fashion. | |
347 | Called with the text to quote, the type of match found (single or multiple) | |
348 | and a pointer to the quoting character to be used, which the function can | |
349 | reset if desired. */ | |
9255ee31 | 350 | rl_quote_func_t *rl_filename_quoting_function = rl_quote_filename; |
d60d9f65 SS |
351 | |
352 | /* Function to call to remove quoting characters from a filename. Called | |
353 | before completion is attempted, so the embedded quotes do not interfere | |
354 | with matching names in the file system. Readline doesn't do anything | |
355 | with this; it's set only by applications. */ | |
9255ee31 | 356 | rl_dequote_func_t *rl_filename_dequoting_function = (rl_dequote_func_t *)NULL; |
d60d9f65 SS |
357 | |
358 | /* Function to call to decide whether or not a word break character is | |
359 | quoted. If a character is quoted, it does not break words for the | |
360 | completer. */ | |
9255ee31 EZ |
361 | rl_linebuf_func_t *rl_char_is_quoted_p = (rl_linebuf_func_t *)NULL; |
362 | ||
363 | /* If non-zero, the completion functions don't append anything except a | |
364 | possible closing quote. This is set to 0 by rl_complete_internal and | |
365 | may be changed by an application-specific completion function. */ | |
366 | int rl_completion_suppress_append = 0; | |
d60d9f65 SS |
367 | |
368 | /* Character appended to completed words when at the end of the line. The | |
369 | default is a space. */ | |
370 | int rl_completion_append_character = ' '; | |
371 | ||
5bdf8622 DJ |
372 | /* If non-zero, the completion functions don't append any closing quote. |
373 | This is set to 0 by rl_complete_internal and may be changed by an | |
374 | application-specific completion function. */ | |
375 | int rl_completion_suppress_quote = 0; | |
376 | ||
377 | /* Set to any quote character readline thinks it finds before any application | |
378 | completion function is called. */ | |
379 | int rl_completion_quote_character; | |
380 | ||
381 | /* Set to a non-zero value if readline found quoting anywhere in the word to | |
382 | be completed; set before any application completion function is called. */ | |
383 | int rl_completion_found_quote; | |
384 | ||
9255ee31 EZ |
385 | /* If non-zero, a slash will be appended to completed filenames that are |
386 | symbolic links to directory names, subject to the value of the | |
387 | mark-directories variable (which is user-settable). This exists so | |
388 | that application completion functions can override the user's preference | |
389 | (set via the mark-symlinked-directories variable) if appropriate. | |
390 | It's set to the value of _rl_complete_mark_symlink_dirs in | |
391 | rl_complete_internal before any application-specific completion | |
392 | function is called, so without that function doing anything, the user's | |
393 | preferences are honored. */ | |
394 | int rl_completion_mark_symlink_dirs; | |
395 | ||
d60d9f65 SS |
396 | /* If non-zero, inhibit completion (temporarily). */ |
397 | int rl_inhibit_completion; | |
398 | ||
cc88a640 JK |
399 | /* Set to the last key used to invoke one of the completion functions */ |
400 | int rl_completion_invoking_key; | |
401 | ||
402 | /* If non-zero, sort the completion matches. On by default. */ | |
403 | int rl_sort_completion_matches = 1; | |
404 | ||
d60d9f65 SS |
405 | /* Variables local to this file. */ |
406 | ||
407 | /* Local variable states what happened during the last completion attempt. */ | |
408 | static int completion_changed_buffer; | |
409 | ||
cc88a640 JK |
410 | /* The result of the query to the user about displaying completion matches */ |
411 | static int completion_y_or_n; | |
412 | ||
775e241e TT |
413 | static int _rl_complete_display_matches_interrupt = 0; |
414 | ||
d60d9f65 SS |
415 | /*************************************/ |
416 | /* */ | |
417 | /* Bindable completion functions */ | |
418 | /* */ | |
419 | /*************************************/ | |
420 | ||
421 | /* Complete the word at or before point. You have supplied the function | |
422 | that does the initial simple matching selection algorithm (see | |
9255ee31 | 423 | rl_completion_matches ()). The default is to do filename completion. */ |
d60d9f65 SS |
424 | int |
425 | rl_complete (ignore, invoking_key) | |
426 | int ignore, invoking_key; | |
427 | { | |
cc88a640 JK |
428 | rl_completion_invoking_key = invoking_key; |
429 | ||
d60d9f65 | 430 | if (rl_inhibit_completion) |
9255ee31 | 431 | return (_rl_insert_char (ignore, invoking_key)); |
d60d9f65 SS |
432 | else if (rl_last_func == rl_complete && !completion_changed_buffer) |
433 | return (rl_complete_internal ('?')); | |
434 | else if (_rl_complete_show_all) | |
435 | return (rl_complete_internal ('!')); | |
5bdf8622 DJ |
436 | else if (_rl_complete_show_unmodified) |
437 | return (rl_complete_internal ('@')); | |
d60d9f65 SS |
438 | else |
439 | return (rl_complete_internal (TAB)); | |
440 | } | |
441 | ||
442 | /* List the possible completions. See description of rl_complete (). */ | |
443 | int | |
444 | rl_possible_completions (ignore, invoking_key) | |
445 | int ignore, invoking_key; | |
446 | { | |
cc88a640 | 447 | rl_completion_invoking_key = invoking_key; |
d60d9f65 SS |
448 | return (rl_complete_internal ('?')); |
449 | } | |
450 | ||
451 | int | |
452 | rl_insert_completions (ignore, invoking_key) | |
453 | int ignore, invoking_key; | |
454 | { | |
cc88a640 | 455 | rl_completion_invoking_key = invoking_key; |
d60d9f65 SS |
456 | return (rl_complete_internal ('*')); |
457 | } | |
458 | ||
9255ee31 EZ |
459 | /* Return the correct value to pass to rl_complete_internal performing |
460 | the same tests as rl_complete. This allows consecutive calls to an | |
461 | application's completion function to list possible completions and for | |
462 | an application-specific completion function to honor the | |
463 | show-all-if-ambiguous readline variable. */ | |
464 | int | |
465 | rl_completion_mode (cfunc) | |
466 | rl_command_func_t *cfunc; | |
467 | { | |
468 | if (rl_last_func == cfunc && !completion_changed_buffer) | |
469 | return '?'; | |
470 | else if (_rl_complete_show_all) | |
471 | return '!'; | |
5bdf8622 DJ |
472 | else if (_rl_complete_show_unmodified) |
473 | return '@'; | |
9255ee31 EZ |
474 | else |
475 | return TAB; | |
476 | } | |
477 | ||
d60d9f65 SS |
478 | /************************************/ |
479 | /* */ | |
480 | /* Completion utility functions */ | |
481 | /* */ | |
482 | /************************************/ | |
483 | ||
cc88a640 JK |
484 | /* Reset readline state on a signal or other event. */ |
485 | void | |
486 | _rl_reset_completion_state () | |
487 | { | |
488 | rl_completion_found_quote = 0; | |
489 | rl_completion_quote_character = 0; | |
490 | } | |
491 | ||
775e241e TT |
492 | static void |
493 | _rl_complete_sigcleanup (sig, ptr) | |
494 | int sig; | |
495 | void *ptr; | |
496 | { | |
497 | if (sig == SIGINT) /* XXX - for now */ | |
498 | { | |
499 | _rl_free_match_list ((char **)ptr); | |
500 | _rl_complete_display_matches_interrupt = 1; | |
501 | } | |
502 | } | |
503 | ||
9255ee31 EZ |
504 | /* Set default values for readline word completion. These are the variables |
505 | that application completion functions can change or inspect. */ | |
506 | static void | |
507 | set_completion_defaults (what_to_do) | |
508 | int what_to_do; | |
d60d9f65 | 509 | { |
9255ee31 EZ |
510 | /* Only the completion entry function can change these. */ |
511 | rl_filename_completion_desired = 0; | |
512 | rl_filename_quoting_desired = 1; | |
513 | rl_completion_type = what_to_do; | |
5bdf8622 | 514 | rl_completion_suppress_append = rl_completion_suppress_quote = 0; |
cc88a640 | 515 | rl_completion_append_character = ' '; |
d60d9f65 | 516 | |
9255ee31 EZ |
517 | /* The completion entry function may optionally change this. */ |
518 | rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs; | |
775e241e TT |
519 | |
520 | /* Reset private state. */ | |
521 | _rl_complete_display_matches_interrupt = 0; | |
d60d9f65 SS |
522 | } |
523 | ||
524 | /* The user must press "y" or "n". Non-zero return means "y" pressed. */ | |
525 | static int | |
9255ee31 EZ |
526 | get_y_or_n (for_pager) |
527 | int for_pager; | |
d60d9f65 SS |
528 | { |
529 | int c; | |
530 | ||
5836a818 PP |
531 | /* Disabled for GDB due to the gdb.base/readline-ask.exp regression. |
532 | [patch] testsuite: Test readline-6.2 "ask" regression | |
533 | http://sourceware.org/ml/gdb-patches/2011-05/msg00002.html */ | |
534 | #if 0 | |
cc88a640 JK |
535 | /* For now, disable pager in callback mode, until we later convert to state |
536 | driven functions. Have to wait until next major version to add new | |
537 | state definition, since it will change value of RL_STATE_DONE. */ | |
538 | #if defined (READLINE_CALLBACKS) | |
539 | if (RL_ISSTATE (RL_STATE_CALLBACK)) | |
540 | return 1; | |
5836a818 | 541 | #endif |
cc88a640 JK |
542 | #endif |
543 | ||
d60d9f65 SS |
544 | for (;;) |
545 | { | |
9255ee31 | 546 | RL_SETSTATE(RL_STATE_MOREINPUT); |
d60d9f65 | 547 | c = rl_read_key (); |
9255ee31 EZ |
548 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
549 | ||
d60d9f65 SS |
550 | if (c == 'y' || c == 'Y' || c == ' ') |
551 | return (1); | |
552 | if (c == 'n' || c == 'N' || c == RUBOUT) | |
553 | return (0); | |
cc88a640 | 554 | if (c == ABORT_CHAR || c < 0) |
d60d9f65 | 555 | _rl_abort_internal (); |
9255ee31 EZ |
556 | if (for_pager && (c == NEWLINE || c == RETURN)) |
557 | return (2); | |
558 | if (for_pager && (c == 'q' || c == 'Q')) | |
559 | return (0); | |
560 | rl_ding (); | |
d60d9f65 SS |
561 | } |
562 | } | |
563 | ||
9255ee31 EZ |
564 | static int |
565 | _rl_internal_pager (lines) | |
566 | int lines; | |
567 | { | |
568 | int i; | |
569 | ||
570 | fprintf (rl_outstream, "--More--"); | |
571 | fflush (rl_outstream); | |
572 | i = get_y_or_n (1); | |
573 | _rl_erase_entire_line (); | |
574 | if (i == 0) | |
575 | return -1; | |
576 | else if (i == 2) | |
577 | return (lines - 1); | |
578 | else | |
579 | return 0; | |
580 | } | |
581 | ||
5bdf8622 DJ |
582 | static int |
583 | path_isdir (filename) | |
584 | const char *filename; | |
585 | { | |
586 | struct stat finfo; | |
587 | ||
588 | return (stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode)); | |
589 | } | |
590 | ||
d60d9f65 SS |
591 | #if defined (VISIBLE_STATS) |
592 | /* Return the character which best describes FILENAME. | |
593 | `@' for symbolic links | |
594 | `/' for directories | |
595 | `*' for executables | |
596 | `=' for sockets | |
597 | `|' for FIFOs | |
598 | `%' for character special devices | |
599 | `#' for block special devices */ | |
600 | static int | |
601 | stat_char (filename) | |
602 | char *filename; | |
603 | { | |
604 | struct stat finfo; | |
605 | int character, r; | |
775e241e TT |
606 | char *f; |
607 | const char *fn; | |
d60d9f65 | 608 | |
cc88a640 JK |
609 | /* Short-circuit a //server on cygwin, since that will always behave as |
610 | a directory. */ | |
611 | #if __CYGWIN__ | |
612 | if (filename[0] == '/' && filename[1] == '/' && strchr (filename+2, '/') == 0) | |
613 | return '/'; | |
614 | #endif | |
615 | ||
775e241e TT |
616 | f = 0; |
617 | if (rl_filename_stat_hook) | |
618 | { | |
619 | f = savestring (filename); | |
620 | (*rl_filename_stat_hook) (&f); | |
621 | fn = f; | |
622 | } | |
623 | else | |
624 | fn = filename; | |
625 | ||
d60d9f65 | 626 | #if defined (HAVE_LSTAT) && defined (S_ISLNK) |
775e241e | 627 | r = lstat (fn, &finfo); |
d60d9f65 | 628 | #else |
775e241e | 629 | r = stat (fn, &finfo); |
d60d9f65 SS |
630 | #endif |
631 | ||
632 | if (r == -1) | |
633 | return (0); | |
634 | ||
635 | character = 0; | |
636 | if (S_ISDIR (finfo.st_mode)) | |
637 | character = '/'; | |
638 | #if defined (S_ISCHR) | |
639 | else if (S_ISCHR (finfo.st_mode)) | |
640 | character = '%'; | |
641 | #endif /* S_ISCHR */ | |
642 | #if defined (S_ISBLK) | |
643 | else if (S_ISBLK (finfo.st_mode)) | |
644 | character = '#'; | |
645 | #endif /* S_ISBLK */ | |
646 | #if defined (S_ISLNK) | |
647 | else if (S_ISLNK (finfo.st_mode)) | |
648 | character = '@'; | |
649 | #endif /* S_ISLNK */ | |
650 | #if defined (S_ISSOCK) | |
651 | else if (S_ISSOCK (finfo.st_mode)) | |
652 | character = '='; | |
653 | #endif /* S_ISSOCK */ | |
654 | #if defined (S_ISFIFO) | |
655 | else if (S_ISFIFO (finfo.st_mode)) | |
656 | character = '|'; | |
657 | #endif | |
658 | else if (S_ISREG (finfo.st_mode)) | |
659 | { | |
05942d8a | 660 | #if defined (_WIN32) && !defined (__CYGWIN__) |
775e241e TT |
661 | char *ext; |
662 | ||
663 | /* Windows doesn't do access and X_OK; check file extension instead */ | |
664 | ext = strrchr (fn, '.'); | |
665 | if (ext && (_rl_stricmp (ext, ".exe") == 0 || | |
666 | _rl_stricmp (ext, ".cmd") == 0 || | |
667 | _rl_stricmp (ext, ".bat") == 0 || | |
668 | _rl_stricmp (ext, ".com") == 0)) | |
05942d8a EZ |
669 | character = '*'; |
670 | #else | |
d60d9f65 SS |
671 | if (access (filename, X_OK) == 0) |
672 | character = '*'; | |
05942d8a | 673 | #endif |
d60d9f65 | 674 | } |
775e241e TT |
675 | |
676 | xfree (f); | |
d60d9f65 SS |
677 | return (character); |
678 | } | |
679 | #endif /* VISIBLE_STATS */ | |
680 | ||
775e241e TT |
681 | #if defined (COLOR_SUPPORT) |
682 | static int | |
683 | colored_stat_start (filename) | |
684 | const char *filename; | |
685 | { | |
686 | _rl_set_normal_color (); | |
687 | return (_rl_print_color_indicator (filename)); | |
688 | } | |
689 | ||
690 | static void | |
691 | colored_stat_end () | |
692 | { | |
693 | _rl_prep_non_filename_text (); | |
694 | _rl_put_indicator (&_rl_color_indicator[C_CLR_TO_EOL]); | |
695 | } | |
696 | ||
697 | static int | |
698 | colored_prefix_start () | |
699 | { | |
700 | _rl_set_normal_color (); | |
701 | return (_rl_print_prefix_color ()); | |
702 | } | |
703 | ||
704 | static void | |
705 | colored_prefix_end () | |
706 | { | |
707 | colored_stat_end (); /* for now */ | |
708 | } | |
709 | #endif | |
710 | ||
d60d9f65 SS |
711 | /* Return the portion of PATHNAME that should be output when listing |
712 | possible completions. If we are hacking filename completion, we | |
713 | are only interested in the basename, the portion following the | |
9255ee31 EZ |
714 | final slash. Otherwise, we return what we were passed. Since |
715 | printing empty strings is not very informative, if we're doing | |
716 | filename completion, and the basename is the empty string, we look | |
717 | for the previous slash and return the portion following that. If | |
718 | there's no previous slash, we just return what we were passed. */ | |
d60d9f65 SS |
719 | static char * |
720 | printable_part (pathname) | |
721 | char *pathname; | |
722 | { | |
9255ee31 EZ |
723 | char *temp, *x; |
724 | ||
725 | if (rl_filename_completion_desired == 0) /* don't need to do anything */ | |
726 | return (pathname); | |
d60d9f65 | 727 | |
9255ee31 | 728 | temp = strrchr (pathname, '/'); |
7f3c5ec8 | 729 | #if defined (__MSDOS__) || defined (_WIN32) |
9255ee31 | 730 | if (temp == 0 && ISALPHA ((unsigned char)pathname[0]) && pathname[1] == ':') |
1b17e766 EZ |
731 | temp = pathname + 1; |
732 | #endif | |
9255ee31 EZ |
733 | |
734 | if (temp == 0 || *temp == '\0') | |
735 | return (pathname); | |
775e241e TT |
736 | else if (temp[1] == 0 && temp == pathname) |
737 | return (pathname); | |
9255ee31 EZ |
738 | /* If the basename is NULL, we might have a pathname like '/usr/src/'. |
739 | Look for a previous slash and, if one is found, return the portion | |
740 | following that slash. If there's no previous slash, just return the | |
741 | pathname we were passed. */ | |
742 | else if (temp[1] == '\0') | |
743 | { | |
744 | for (x = temp - 1; x > pathname; x--) | |
745 | if (*x == '/') | |
746 | break; | |
747 | return ((*x == '/') ? x + 1 : pathname); | |
748 | } | |
749 | else | |
750 | return ++temp; | |
d60d9f65 SS |
751 | } |
752 | ||
5bdf8622 DJ |
753 | /* Compute width of STRING when displayed on screen by print_filename */ |
754 | static int | |
755 | fnwidth (string) | |
756 | const char *string; | |
757 | { | |
758 | int width, pos; | |
759 | #if defined (HANDLE_MULTIBYTE) | |
760 | mbstate_t ps; | |
761 | int left, w; | |
762 | size_t clen; | |
763 | wchar_t wc; | |
764 | ||
765 | left = strlen (string) + 1; | |
766 | memset (&ps, 0, sizeof (mbstate_t)); | |
767 | #endif | |
768 | ||
769 | width = pos = 0; | |
770 | while (string[pos]) | |
771 | { | |
cc88a640 | 772 | if (CTRL_CHAR (string[pos]) || string[pos] == RUBOUT) |
5bdf8622 DJ |
773 | { |
774 | width += 2; | |
775 | pos++; | |
776 | } | |
777 | else | |
778 | { | |
779 | #if defined (HANDLE_MULTIBYTE) | |
780 | clen = mbrtowc (&wc, string + pos, left - pos, &ps); | |
781 | if (MB_INVALIDCH (clen)) | |
782 | { | |
783 | width++; | |
784 | pos++; | |
785 | memset (&ps, 0, sizeof (mbstate_t)); | |
786 | } | |
787 | else if (MB_NULLWCH (clen)) | |
788 | break; | |
789 | else | |
790 | { | |
791 | pos += clen; | |
775e241e | 792 | w = WCWIDTH (wc); |
5bdf8622 DJ |
793 | width += (w >= 0) ? w : 1; |
794 | } | |
795 | #else | |
796 | width++; | |
797 | pos++; | |
798 | #endif | |
799 | } | |
800 | } | |
801 | ||
802 | return width; | |
803 | } | |
804 | ||
cc88a640 JK |
805 | #define ELLIPSIS_LEN 3 |
806 | ||
5bdf8622 | 807 | static int |
775e241e | 808 | fnprint (to_print, prefix_bytes, real_pathname) |
5bdf8622 | 809 | const char *to_print; |
cc88a640 | 810 | int prefix_bytes; |
775e241e | 811 | const char *real_pathname; |
5bdf8622 | 812 | { |
cc88a640 | 813 | int printed_len, w; |
5bdf8622 | 814 | const char *s; |
775e241e | 815 | int common_prefix_len, print_len; |
5bdf8622 DJ |
816 | #if defined (HANDLE_MULTIBYTE) |
817 | mbstate_t ps; | |
818 | const char *end; | |
819 | size_t tlen; | |
cc88a640 | 820 | int width; |
5bdf8622 DJ |
821 | wchar_t wc; |
822 | ||
775e241e TT |
823 | print_len = strlen (to_print); |
824 | end = to_print + print_len + 1; | |
5bdf8622 DJ |
825 | memset (&ps, 0, sizeof (mbstate_t)); |
826 | #endif | |
827 | ||
775e241e | 828 | printed_len = common_prefix_len = 0; |
cc88a640 JK |
829 | |
830 | /* Don't print only the ellipsis if the common prefix is one of the | |
775e241e TT |
831 | possible completions. Only cut off prefix_bytes if we're going to be |
832 | printing the ellipsis, which takes precedence over coloring the | |
833 | completion prefix (see print_filename() below). */ | |
834 | if (_rl_completion_prefix_display_length > 0 && prefix_bytes >= print_len) | |
cc88a640 JK |
835 | prefix_bytes = 0; |
836 | ||
775e241e TT |
837 | #if defined (COLOR_SUPPORT) |
838 | if (_rl_colored_stats && (prefix_bytes == 0 || _rl_colored_completion_prefix <= 0)) | |
839 | colored_stat_start (real_pathname); | |
840 | #endif | |
841 | ||
842 | if (prefix_bytes && _rl_completion_prefix_display_length > 0) | |
cc88a640 JK |
843 | { |
844 | char ellipsis; | |
845 | ||
846 | ellipsis = (to_print[prefix_bytes] == '.') ? '_' : '.'; | |
847 | for (w = 0; w < ELLIPSIS_LEN; w++) | |
848 | putc (ellipsis, rl_outstream); | |
849 | printed_len = ELLIPSIS_LEN; | |
850 | } | |
775e241e TT |
851 | #if defined (COLOR_SUPPORT) |
852 | else if (prefix_bytes && _rl_colored_completion_prefix > 0) | |
853 | { | |
854 | common_prefix_len = prefix_bytes; | |
855 | prefix_bytes = 0; | |
856 | /* XXX - print color indicator start here */ | |
857 | colored_prefix_start (); | |
858 | } | |
859 | #endif | |
cc88a640 JK |
860 | |
861 | s = to_print + prefix_bytes; | |
5bdf8622 DJ |
862 | while (*s) |
863 | { | |
864 | if (CTRL_CHAR (*s)) | |
865 | { | |
866 | putc ('^', rl_outstream); | |
867 | putc (UNCTRL (*s), rl_outstream); | |
868 | printed_len += 2; | |
869 | s++; | |
870 | #if defined (HANDLE_MULTIBYTE) | |
871 | memset (&ps, 0, sizeof (mbstate_t)); | |
872 | #endif | |
873 | } | |
874 | else if (*s == RUBOUT) | |
875 | { | |
876 | putc ('^', rl_outstream); | |
877 | putc ('?', rl_outstream); | |
878 | printed_len += 2; | |
879 | s++; | |
880 | #if defined (HANDLE_MULTIBYTE) | |
881 | memset (&ps, 0, sizeof (mbstate_t)); | |
882 | #endif | |
883 | } | |
884 | else | |
885 | { | |
886 | #if defined (HANDLE_MULTIBYTE) | |
887 | tlen = mbrtowc (&wc, s, end - s, &ps); | |
888 | if (MB_INVALIDCH (tlen)) | |
889 | { | |
890 | tlen = 1; | |
891 | width = 1; | |
892 | memset (&ps, 0, sizeof (mbstate_t)); | |
893 | } | |
894 | else if (MB_NULLWCH (tlen)) | |
895 | break; | |
896 | else | |
897 | { | |
775e241e | 898 | w = WCWIDTH (wc); |
5bdf8622 DJ |
899 | width = (w >= 0) ? w : 1; |
900 | } | |
901 | fwrite (s, 1, tlen, rl_outstream); | |
902 | s += tlen; | |
903 | printed_len += width; | |
904 | #else | |
905 | putc (*s, rl_outstream); | |
906 | s++; | |
907 | printed_len++; | |
908 | #endif | |
909 | } | |
775e241e TT |
910 | if (common_prefix_len > 0 && (s - to_print) >= common_prefix_len) |
911 | { | |
912 | #if defined (COLOR_SUPPORT) | |
913 | /* printed bytes = s - to_print */ | |
914 | /* printed bytes should never be > but check for paranoia's sake */ | |
915 | colored_prefix_end (); | |
916 | if (_rl_colored_stats) | |
917 | colored_stat_start (real_pathname); /* XXX - experiment */ | |
918 | #endif | |
919 | common_prefix_len = 0; | |
920 | } | |
5bdf8622 DJ |
921 | } |
922 | ||
775e241e TT |
923 | #if defined (COLOR_SUPPORT) |
924 | /* XXX - unconditional for now */ | |
925 | if (_rl_colored_stats) | |
926 | colored_stat_end (); | |
927 | #endif | |
928 | ||
5bdf8622 DJ |
929 | return printed_len; |
930 | } | |
931 | ||
d60d9f65 SS |
932 | /* Output TO_PRINT to rl_outstream. If VISIBLE_STATS is defined and we |
933 | are using it, check for and output a single character for `special' | |
934 | filenames. Return the number of characters we output. */ | |
935 | ||
d60d9f65 | 936 | static int |
cc88a640 | 937 | print_filename (to_print, full_pathname, prefix_bytes) |
d60d9f65 | 938 | char *to_print, *full_pathname; |
cc88a640 | 939 | int prefix_bytes; |
d60d9f65 | 940 | { |
5bdf8622 DJ |
941 | int printed_len, extension_char, slen, tlen; |
942 | char *s, c, *new_full_pathname, *dn; | |
d60d9f65 | 943 | |
5bdf8622 | 944 | extension_char = 0; |
775e241e TT |
945 | #if defined (COLOR_SUPPORT) |
946 | /* Defer printing if we want to prefix with a color indicator */ | |
947 | if (_rl_colored_stats == 0 || rl_filename_completion_desired == 0) | |
948 | #endif | |
949 | printed_len = fnprint (to_print, prefix_bytes, to_print); | |
d60d9f65 | 950 | |
775e241e | 951 | if (rl_filename_completion_desired && ( |
5bdf8622 | 952 | #if defined (VISIBLE_STATS) |
775e241e TT |
953 | rl_visible_stats || |
954 | #endif | |
955 | #if defined (COLOR_SUPPORT) | |
956 | _rl_colored_stats || | |
4a11f206 | 957 | #endif |
775e241e | 958 | _rl_complete_mark_directories)) |
d60d9f65 SS |
959 | { |
960 | /* If to_print != full_pathname, to_print is the basename of the | |
961 | path passed. In this case, we try to expand the directory | |
962 | name before checking for the stat character. */ | |
963 | if (to_print != full_pathname) | |
964 | { | |
965 | /* Terminate the directory name. */ | |
966 | c = to_print[-1]; | |
967 | to_print[-1] = '\0'; | |
968 | ||
1b17e766 EZ |
969 | /* If setting the last slash in full_pathname to a NUL results in |
970 | full_pathname being the empty string, we are trying to complete | |
971 | files in the root directory. If we pass a null string to the | |
972 | bash directory completion hook, for example, it will expand it | |
973 | to the current directory. We just want the `/'. */ | |
5bdf8622 DJ |
974 | if (full_pathname == 0 || *full_pathname == 0) |
975 | dn = "/"; | |
976 | else if (full_pathname[0] != '/') | |
977 | dn = full_pathname; | |
978 | else if (full_pathname[1] == 0) | |
979 | dn = "//"; /* restore trailing slash to `//' */ | |
980 | else if (full_pathname[1] == '/' && full_pathname[2] == 0) | |
981 | dn = "/"; /* don't turn /// into // */ | |
982 | else | |
983 | dn = full_pathname; | |
984 | s = tilde_expand (dn); | |
d60d9f65 SS |
985 | if (rl_directory_completion_hook) |
986 | (*rl_directory_completion_hook) (&s); | |
987 | ||
988 | slen = strlen (s); | |
989 | tlen = strlen (to_print); | |
9255ee31 | 990 | new_full_pathname = (char *)xmalloc (slen + tlen + 2); |
d60d9f65 | 991 | strcpy (new_full_pathname, s); |
5bdf8622 DJ |
992 | if (s[slen - 1] == '/') |
993 | slen--; | |
994 | else | |
995 | new_full_pathname[slen] = '/'; | |
d60d9f65 SS |
996 | new_full_pathname[slen] = '/'; |
997 | strcpy (new_full_pathname + slen + 1, to_print); | |
998 | ||
5bdf8622 DJ |
999 | #if defined (VISIBLE_STATS) |
1000 | if (rl_visible_stats) | |
1001 | extension_char = stat_char (new_full_pathname); | |
1002 | else | |
1003 | #endif | |
775e241e TT |
1004 | if (_rl_complete_mark_directories) |
1005 | { | |
1006 | dn = 0; | |
1007 | if (rl_directory_completion_hook == 0 && rl_filename_stat_hook) | |
1008 | { | |
1009 | dn = savestring (new_full_pathname); | |
1010 | (*rl_filename_stat_hook) (&dn); | |
1011 | xfree (new_full_pathname); | |
1012 | new_full_pathname = dn; | |
1013 | } | |
1014 | if (path_isdir (new_full_pathname)) | |
1015 | extension_char = '/'; | |
1016 | } | |
1017 | ||
1018 | /* Move colored-stats code inside fnprint() */ | |
1019 | #if defined (COLOR_SUPPORT) | |
1020 | if (_rl_colored_stats) | |
1021 | printed_len = fnprint (to_print, prefix_bytes, new_full_pathname); | |
1022 | #endif | |
d60d9f65 | 1023 | |
cc88a640 | 1024 | xfree (new_full_pathname); |
d60d9f65 SS |
1025 | to_print[-1] = c; |
1026 | } | |
1027 | else | |
1028 | { | |
1029 | s = tilde_expand (full_pathname); | |
5bdf8622 DJ |
1030 | #if defined (VISIBLE_STATS) |
1031 | if (rl_visible_stats) | |
1032 | extension_char = stat_char (s); | |
1033 | else | |
1034 | #endif | |
775e241e | 1035 | if (_rl_complete_mark_directories && path_isdir (s)) |
5bdf8622 | 1036 | extension_char = '/'; |
775e241e TT |
1037 | |
1038 | /* Move colored-stats code inside fnprint() */ | |
1039 | #if defined (COLOR_SUPPORT) | |
1040 | if (_rl_colored_stats) | |
1041 | printed_len = fnprint (to_print, prefix_bytes, s); | |
1042 | #endif | |
d60d9f65 SS |
1043 | } |
1044 | ||
cc88a640 | 1045 | xfree (s); |
d60d9f65 SS |
1046 | if (extension_char) |
1047 | { | |
1048 | putc (extension_char, rl_outstream); | |
1049 | printed_len++; | |
1050 | } | |
1051 | } | |
5bdf8622 | 1052 | |
d60d9f65 SS |
1053 | return printed_len; |
1054 | } | |
1055 | ||
1056 | static char * | |
1057 | rl_quote_filename (s, rtype, qcp) | |
1058 | char *s; | |
1059 | int rtype; | |
1060 | char *qcp; | |
1061 | { | |
1062 | char *r; | |
1063 | ||
9255ee31 | 1064 | r = (char *)xmalloc (strlen (s) + 2); |
d60d9f65 SS |
1065 | *r = *rl_completer_quote_characters; |
1066 | strcpy (r + 1, s); | |
1067 | if (qcp) | |
1068 | *qcp = *rl_completer_quote_characters; | |
1069 | return r; | |
1070 | } | |
1071 | ||
1072 | /* Find the bounds of the current word for completion purposes, and leave | |
1073 | rl_point set to the end of the word. This function skips quoted | |
1074 | substrings (characters between matched pairs of characters in | |
9255ee31 | 1075 | rl_completer_quote_characters). First we try to find an unclosed |
d60d9f65 SS |
1076 | quoted substring on which to do matching. If one is not found, we use |
1077 | the word break characters to find the boundaries of the current word. | |
1078 | We call an application-specific function to decide whether or not a | |
1079 | particular word break character is quoted; if that function returns a | |
1080 | non-zero result, the character does not break a word. This function | |
1081 | returns the opening quote character if we found an unclosed quoted | |
1082 | substring, '\0' otherwise. FP, if non-null, is set to a value saying | |
1083 | which (shell-like) quote characters we found (single quote, double | |
1084 | quote, or backslash) anywhere in the string. DP, if non-null, is set to | |
1085 | the value of the delimiter character that caused a word break. */ | |
1086 | ||
9255ee31 EZ |
1087 | char |
1088 | _rl_find_completion_word (fp, dp) | |
d60d9f65 SS |
1089 | int *fp, *dp; |
1090 | { | |
1091 | int scan, end, found_quote, delimiter, pass_next, isbrk; | |
5bdf8622 | 1092 | char quote_char, *brkchars; |
d60d9f65 SS |
1093 | |
1094 | end = rl_point; | |
1095 | found_quote = delimiter = 0; | |
1096 | quote_char = '\0'; | |
1097 | ||
5bdf8622 DJ |
1098 | brkchars = 0; |
1099 | if (rl_completion_word_break_hook) | |
1100 | brkchars = (*rl_completion_word_break_hook) (); | |
1101 | if (brkchars == 0) | |
1102 | brkchars = rl_completer_word_break_characters; | |
1103 | ||
d60d9f65 SS |
1104 | if (rl_completer_quote_characters) |
1105 | { | |
1106 | /* We have a list of characters which can be used in pairs to | |
1107 | quote substrings for the completer. Try to find the start | |
1108 | of an unclosed quoted substring. */ | |
1109 | /* FOUND_QUOTE is set so we know what kind of quotes we found. */ | |
5bdf8622 | 1110 | for (scan = pass_next = 0; scan < end; scan = MB_NEXTCHAR (rl_line_buffer, scan, 1, MB_FIND_ANY)) |
d60d9f65 SS |
1111 | { |
1112 | if (pass_next) | |
1113 | { | |
1114 | pass_next = 0; | |
1115 | continue; | |
1116 | } | |
1117 | ||
9255ee31 EZ |
1118 | /* Shell-like semantics for single quotes -- don't allow backslash |
1119 | to quote anything in single quotes, especially not the closing | |
1120 | quote. If you don't like this, take out the check on the value | |
1121 | of quote_char. */ | |
1122 | if (quote_char != '\'' && rl_line_buffer[scan] == '\\') | |
d60d9f65 SS |
1123 | { |
1124 | pass_next = 1; | |
1125 | found_quote |= RL_QF_BACKSLASH; | |
1126 | continue; | |
1127 | } | |
1128 | ||
1129 | if (quote_char != '\0') | |
1130 | { | |
1131 | /* Ignore everything until the matching close quote char. */ | |
1132 | if (rl_line_buffer[scan] == quote_char) | |
1133 | { | |
1134 | /* Found matching close. Abandon this substring. */ | |
1135 | quote_char = '\0'; | |
1136 | rl_point = end; | |
1137 | } | |
1138 | } | |
1139 | else if (strchr (rl_completer_quote_characters, rl_line_buffer[scan])) | |
1140 | { | |
1141 | /* Found start of a quoted substring. */ | |
1142 | quote_char = rl_line_buffer[scan]; | |
1143 | rl_point = scan + 1; | |
1144 | /* Shell-like quoting conventions. */ | |
1145 | if (quote_char == '\'') | |
1146 | found_quote |= RL_QF_SINGLE_QUOTE; | |
1147 | else if (quote_char == '"') | |
1148 | found_quote |= RL_QF_DOUBLE_QUOTE; | |
9255ee31 EZ |
1149 | else |
1150 | found_quote |= RL_QF_OTHER_QUOTE; | |
d60d9f65 SS |
1151 | } |
1152 | } | |
1153 | } | |
1154 | ||
1155 | if (rl_point == end && quote_char == '\0') | |
1156 | { | |
1157 | /* We didn't find an unclosed quoted substring upon which to do | |
1158 | completion, so use the word break characters to find the | |
1159 | substring on which to complete. */ | |
5bdf8622 | 1160 | while (rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY)) |
d60d9f65 SS |
1161 | { |
1162 | scan = rl_line_buffer[rl_point]; | |
1163 | ||
5bdf8622 | 1164 | if (strchr (brkchars, scan) == 0) |
d60d9f65 SS |
1165 | continue; |
1166 | ||
1167 | /* Call the application-specific function to tell us whether | |
1168 | this word break character is quoted and should be skipped. */ | |
1169 | if (rl_char_is_quoted_p && found_quote && | |
1170 | (*rl_char_is_quoted_p) (rl_line_buffer, rl_point)) | |
1171 | continue; | |
1172 | ||
1173 | /* Convoluted code, but it avoids an n^2 algorithm with calls | |
1174 | to char_is_quoted. */ | |
1175 | break; | |
1176 | } | |
1177 | } | |
1178 | ||
1179 | /* If we are at an unquoted word break, then advance past it. */ | |
1180 | scan = rl_line_buffer[rl_point]; | |
1181 | ||
1182 | /* If there is an application-specific function to say whether or not | |
1183 | a character is quoted and we found a quote character, let that | |
1184 | function decide whether or not a character is a word break, even | |
1b17e766 EZ |
1185 | if it is found in rl_completer_word_break_characters. Don't bother |
1186 | if we're at the end of the line, though. */ | |
1187 | if (scan) | |
d60d9f65 | 1188 | { |
1b17e766 EZ |
1189 | if (rl_char_is_quoted_p) |
1190 | isbrk = (found_quote == 0 || | |
1191 | (*rl_char_is_quoted_p) (rl_line_buffer, rl_point) == 0) && | |
5bdf8622 | 1192 | strchr (brkchars, scan) != 0; |
1b17e766 | 1193 | else |
5bdf8622 | 1194 | isbrk = strchr (brkchars, scan) != 0; |
1b17e766 EZ |
1195 | |
1196 | if (isbrk) | |
1197 | { | |
1198 | /* If the character that caused the word break was a quoting | |
1199 | character, then remember it as the delimiter. */ | |
1200 | if (rl_basic_quote_characters && | |
1201 | strchr (rl_basic_quote_characters, scan) && | |
1202 | (end - rl_point) > 1) | |
1203 | delimiter = scan; | |
1204 | ||
1205 | /* If the character isn't needed to determine something special | |
1206 | about what kind of completion to perform, then advance past it. */ | |
1207 | if (rl_special_prefixes == 0 || strchr (rl_special_prefixes, scan) == 0) | |
1208 | rl_point++; | |
1209 | } | |
d60d9f65 SS |
1210 | } |
1211 | ||
1212 | if (fp) | |
1213 | *fp = found_quote; | |
1214 | if (dp) | |
1215 | *dp = delimiter; | |
1216 | ||
1217 | return (quote_char); | |
1218 | } | |
1219 | ||
1220 | static char ** | |
1221 | gen_completion_matches (text, start, end, our_func, found_quote, quote_char) | |
1222 | char *text; | |
1223 | int start, end; | |
9255ee31 | 1224 | rl_compentry_func_t *our_func; |
d60d9f65 SS |
1225 | int found_quote, quote_char; |
1226 | { | |
cc88a640 | 1227 | char **matches; |
d60d9f65 | 1228 | |
5bdf8622 DJ |
1229 | rl_completion_found_quote = found_quote; |
1230 | rl_completion_quote_character = quote_char; | |
1231 | ||
d60d9f65 SS |
1232 | /* If the user wants to TRY to complete, but then wants to give |
1233 | up and use the default completion function, they set the | |
1234 | variable rl_attempted_completion_function. */ | |
1235 | if (rl_attempted_completion_function) | |
1236 | { | |
1237 | matches = (*rl_attempted_completion_function) (text, start, end); | |
775e241e TT |
1238 | if (RL_SIG_RECEIVED()) |
1239 | { | |
1240 | _rl_free_match_list (matches); | |
1241 | matches = 0; | |
1242 | RL_CHECK_SIGNALS (); | |
1243 | } | |
d60d9f65 SS |
1244 | |
1245 | if (matches || rl_attempted_completion_over) | |
1246 | { | |
1247 | rl_attempted_completion_over = 0; | |
1248 | return (matches); | |
1249 | } | |
1250 | } | |
1251 | ||
cc88a640 | 1252 | /* XXX -- filename dequoting moved into rl_filename_completion_function */ |
d60d9f65 | 1253 | |
775e241e TT |
1254 | /* rl_completion_matches will check for signals as well to avoid a long |
1255 | delay while reading a directory. */ | |
9255ee31 | 1256 | matches = rl_completion_matches (text, our_func); |
775e241e TT |
1257 | if (RL_SIG_RECEIVED()) |
1258 | { | |
1259 | _rl_free_match_list (matches); | |
1260 | matches = 0; | |
1261 | RL_CHECK_SIGNALS (); | |
1262 | } | |
d60d9f65 SS |
1263 | return matches; |
1264 | } | |
1265 | ||
1266 | /* Filter out duplicates in MATCHES. This frees up the strings in | |
1267 | MATCHES. */ | |
1268 | static char ** | |
1269 | remove_duplicate_matches (matches) | |
1270 | char **matches; | |
1271 | { | |
1272 | char *lowest_common; | |
1273 | int i, j, newlen; | |
1274 | char dead_slot; | |
1275 | char **temp_array; | |
1276 | ||
1277 | /* Sort the items. */ | |
1278 | for (i = 0; matches[i]; i++) | |
1279 | ; | |
1280 | ||
1281 | /* Sort the array without matches[0], since we need it to | |
1282 | stay in place no matter what. */ | |
cc88a640 | 1283 | if (i && rl_sort_completion_matches) |
1b17e766 | 1284 | qsort (matches+1, i-1, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); |
d60d9f65 SS |
1285 | |
1286 | /* Remember the lowest common denominator for it may be unique. */ | |
1287 | lowest_common = savestring (matches[0]); | |
1288 | ||
1289 | for (i = newlen = 0; matches[i + 1]; i++) | |
1290 | { | |
1291 | if (strcmp (matches[i], matches[i + 1]) == 0) | |
1292 | { | |
cc88a640 | 1293 | xfree (matches[i]); |
d60d9f65 SS |
1294 | matches[i] = (char *)&dead_slot; |
1295 | } | |
1296 | else | |
1297 | newlen++; | |
1298 | } | |
1299 | ||
1300 | /* We have marked all the dead slots with (char *)&dead_slot. | |
1301 | Copy all the non-dead entries into a new array. */ | |
1302 | temp_array = (char **)xmalloc ((3 + newlen) * sizeof (char *)); | |
1303 | for (i = j = 1; matches[i]; i++) | |
1304 | { | |
1305 | if (matches[i] != (char *)&dead_slot) | |
1306 | temp_array[j++] = matches[i]; | |
1307 | } | |
1308 | temp_array[j] = (char *)NULL; | |
1309 | ||
1310 | if (matches[0] != (char *)&dead_slot) | |
cc88a640 | 1311 | xfree (matches[0]); |
d60d9f65 SS |
1312 | |
1313 | /* Place the lowest common denominator back in [0]. */ | |
1314 | temp_array[0] = lowest_common; | |
1315 | ||
1316 | /* If there is one string left, and it is identical to the | |
1317 | lowest common denominator, then the LCD is the string to | |
1318 | insert. */ | |
1319 | if (j == 2 && strcmp (temp_array[0], temp_array[1]) == 0) | |
1320 | { | |
cc88a640 | 1321 | xfree (temp_array[1]); |
d60d9f65 SS |
1322 | temp_array[1] = (char *)NULL; |
1323 | } | |
1324 | return (temp_array); | |
1325 | } | |
1326 | ||
1327 | /* Find the common prefix of the list of matches, and put it into | |
1328 | matches[0]. */ | |
1329 | static int | |
1330 | compute_lcd_of_matches (match_list, matches, text) | |
1331 | char **match_list; | |
1332 | int matches; | |
9255ee31 | 1333 | const char *text; |
d60d9f65 SS |
1334 | { |
1335 | register int i, c1, c2, si; | |
1336 | int low; /* Count of max-matched characters. */ | |
775e241e | 1337 | int lx; |
5bdf8622 | 1338 | char *dtext; /* dequoted TEXT, if needed */ |
9255ee31 EZ |
1339 | #if defined (HANDLE_MULTIBYTE) |
1340 | int v; | |
775e241e | 1341 | size_t v1, v2; |
9255ee31 EZ |
1342 | mbstate_t ps1, ps2; |
1343 | wchar_t wc1, wc2; | |
1344 | #endif | |
d60d9f65 SS |
1345 | |
1346 | /* If only one match, just use that. Otherwise, compare each | |
1347 | member of the list with the next, finding out where they | |
1348 | stop matching. */ | |
1349 | if (matches == 1) | |
1350 | { | |
1351 | match_list[0] = match_list[1]; | |
1352 | match_list[1] = (char *)NULL; | |
1353 | return 1; | |
1354 | } | |
1355 | ||
1356 | for (i = 1, low = 100000; i < matches; i++) | |
1357 | { | |
9255ee31 EZ |
1358 | #if defined (HANDLE_MULTIBYTE) |
1359 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
1360 | { | |
1361 | memset (&ps1, 0, sizeof (mbstate_t)); | |
1362 | memset (&ps2, 0, sizeof (mbstate_t)); | |
1363 | } | |
1364 | #endif | |
d60d9f65 SS |
1365 | if (_rl_completion_case_fold) |
1366 | { | |
1367 | for (si = 0; | |
1368 | (c1 = _rl_to_lower(match_list[i][si])) && | |
1369 | (c2 = _rl_to_lower(match_list[i + 1][si])); | |
1370 | si++) | |
9255ee31 EZ |
1371 | #if defined (HANDLE_MULTIBYTE) |
1372 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
1373 | { | |
775e241e TT |
1374 | v1 = mbrtowc(&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1); |
1375 | v2 = mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2); | |
1376 | if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2)) | |
1377 | { | |
1378 | if (c1 != c2) /* do byte comparison */ | |
1379 | break; | |
1380 | continue; | |
1381 | } | |
9255ee31 EZ |
1382 | wc1 = towlower (wc1); |
1383 | wc2 = towlower (wc2); | |
1384 | if (wc1 != wc2) | |
1385 | break; | |
775e241e TT |
1386 | else if (v1 > 1) |
1387 | si += v1 - 1; | |
9255ee31 EZ |
1388 | } |
1389 | else | |
1390 | #endif | |
d60d9f65 SS |
1391 | if (c1 != c2) |
1392 | break; | |
1393 | } | |
1394 | else | |
1395 | { | |
1396 | for (si = 0; | |
1397 | (c1 = match_list[i][si]) && | |
1398 | (c2 = match_list[i + 1][si]); | |
1399 | si++) | |
9255ee31 EZ |
1400 | #if defined (HANDLE_MULTIBYTE) |
1401 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
1402 | { | |
cc88a640 JK |
1403 | mbstate_t ps_back; |
1404 | ps_back = ps1; | |
9255ee31 EZ |
1405 | if (!_rl_compare_chars (match_list[i], si, &ps1, match_list[i+1], si, &ps2)) |
1406 | break; | |
1407 | else if ((v = _rl_get_char_len (&match_list[i][si], &ps_back)) > 1) | |
1408 | si += v - 1; | |
1409 | } | |
1410 | else | |
1411 | #endif | |
d60d9f65 SS |
1412 | if (c1 != c2) |
1413 | break; | |
1414 | } | |
1415 | ||
1416 | if (low > si) | |
1417 | low = si; | |
1418 | } | |
1419 | ||
1420 | /* If there were multiple matches, but none matched up to even the | |
1421 | first character, and the user typed something, use that as the | |
1422 | value of matches[0]. */ | |
1423 | if (low == 0 && text && *text) | |
1424 | { | |
9255ee31 | 1425 | match_list[0] = (char *)xmalloc (strlen (text) + 1); |
d60d9f65 SS |
1426 | strcpy (match_list[0], text); |
1427 | } | |
1428 | else | |
1429 | { | |
9255ee31 EZ |
1430 | match_list[0] = (char *)xmalloc (low + 1); |
1431 | ||
1432 | /* XXX - this might need changes in the presence of multibyte chars */ | |
1433 | ||
1434 | /* If we are ignoring case, try to preserve the case of the string | |
1435 | the user typed in the face of multiple matches differing in case. */ | |
1436 | if (_rl_completion_case_fold) | |
1437 | { | |
5bdf8622 DJ |
1438 | /* We're making an assumption here: |
1439 | IF we're completing filenames AND | |
1440 | the application has defined a filename dequoting function AND | |
1441 | we found a quote character AND | |
1442 | the application has requested filename quoting | |
1443 | THEN | |
1444 | we assume that TEXT was dequoted before checking against | |
1445 | the file system and needs to be dequoted here before we | |
1446 | check against the list of matches | |
1447 | FI */ | |
1448 | dtext = (char *)NULL; | |
1449 | if (rl_filename_completion_desired && | |
1450 | rl_filename_dequoting_function && | |
1451 | rl_completion_found_quote && | |
1452 | rl_filename_quoting_desired) | |
1453 | { | |
1454 | dtext = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character); | |
1455 | text = dtext; | |
1456 | } | |
1457 | ||
9255ee31 EZ |
1458 | /* sort the list to get consistent answers. */ |
1459 | qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare); | |
1460 | ||
1461 | si = strlen (text); | |
775e241e TT |
1462 | lx = (si <= low) ? si : low; /* check shorter of text and matches */ |
1463 | /* Try to preserve the case of what the user typed in the presence of | |
1464 | multiple matches: check each match for something that matches | |
1465 | what the user typed taking case into account; use it up to common | |
1466 | length of matches if one is found. If not, just use first match. */ | |
1467 | for (i = 1; i <= matches; i++) | |
1468 | if (strncmp (match_list[i], text, lx) == 0) | |
1469 | { | |
1470 | strncpy (match_list[0], match_list[i], low); | |
1471 | break; | |
1472 | } | |
1473 | /* no casematch, use first entry */ | |
1474 | if (i > matches) | |
1475 | strncpy (match_list[0], match_list[1], low); | |
5bdf8622 DJ |
1476 | |
1477 | FREE (dtext); | |
9255ee31 EZ |
1478 | } |
1479 | else | |
1480 | strncpy (match_list[0], match_list[1], low); | |
1481 | ||
d60d9f65 SS |
1482 | match_list[0][low] = '\0'; |
1483 | } | |
1484 | ||
1485 | return matches; | |
1486 | } | |
1487 | ||
1488 | static int | |
c862e87b | 1489 | postprocess_matches (matchesp, matching_filenames) |
d60d9f65 SS |
1490 | char ***matchesp; |
1491 | int matching_filenames; | |
1492 | { | |
1493 | char *t, **matches, **temp_matches; | |
1494 | int nmatch, i; | |
1495 | ||
1496 | matches = *matchesp; | |
1497 | ||
9255ee31 EZ |
1498 | if (matches == 0) |
1499 | return 0; | |
1500 | ||
d60d9f65 | 1501 | /* It seems to me that in all the cases we handle we would like |
775e241e | 1502 | to ignore duplicate possibilities. Scan for the text to |
d60d9f65 SS |
1503 | insert being identical to the other completions. */ |
1504 | if (rl_ignore_completion_duplicates) | |
1505 | { | |
1506 | temp_matches = remove_duplicate_matches (matches); | |
cc88a640 | 1507 | xfree (matches); |
d60d9f65 SS |
1508 | matches = temp_matches; |
1509 | } | |
1510 | ||
1511 | /* If we are matching filenames, then here is our chance to | |
1512 | do clever processing by re-examining the list. Call the | |
1513 | ignore function with the array as a parameter. It can | |
1514 | munge the array, deleting matches as it desires. */ | |
1515 | if (rl_ignore_some_completions_function && matching_filenames) | |
1516 | { | |
1517 | for (nmatch = 1; matches[nmatch]; nmatch++) | |
1518 | ; | |
1519 | (void)(*rl_ignore_some_completions_function) (matches); | |
1520 | if (matches == 0 || matches[0] == 0) | |
1521 | { | |
1522 | FREE (matches); | |
d60d9f65 SS |
1523 | *matchesp = (char **)0; |
1524 | return 0; | |
1525 | } | |
1526 | else | |
1527 | { | |
1528 | /* If we removed some matches, recompute the common prefix. */ | |
1529 | for (i = 1; matches[i]; i++) | |
1530 | ; | |
1531 | if (i > 1 && i < nmatch) | |
1532 | { | |
1533 | t = matches[0]; | |
c862e87b | 1534 | compute_lcd_of_matches (matches, i - 1, t); |
d60d9f65 SS |
1535 | FREE (t); |
1536 | } | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | *matchesp = matches; | |
1541 | return (1); | |
1542 | } | |
1543 | ||
cc88a640 JK |
1544 | static int |
1545 | complete_get_screenwidth () | |
1546 | { | |
1547 | int cols; | |
1548 | char *envcols; | |
1549 | ||
1550 | cols = _rl_completion_columns; | |
1551 | if (cols >= 0 && cols <= _rl_screenwidth) | |
1552 | return cols; | |
1553 | envcols = getenv ("COLUMNS"); | |
1554 | if (envcols && *envcols) | |
1555 | cols = atoi (envcols); | |
1556 | if (cols >= 0 && cols <= _rl_screenwidth) | |
1557 | return cols; | |
1558 | return _rl_screenwidth; | |
1559 | } | |
1560 | ||
c862e87b JM |
1561 | /* A convenience function for displaying a list of strings in |
1562 | columnar format on readline's output stream. MATCHES is the list | |
1563 | of strings, in argv format, LEN is the number of strings in MATCHES, | |
1564 | and MAX is the length of the longest string in MATCHES. */ | |
1565 | void | |
1566 | rl_display_match_list (matches, len, max) | |
d60d9f65 | 1567 | char **matches; |
c862e87b | 1568 | int len, max; |
d60d9f65 | 1569 | { |
cc88a640 JK |
1570 | int count, limit, printed_len, lines, cols; |
1571 | int i, j, k, l, common_length, sind; | |
1572 | char *temp, *t; | |
1573 | ||
1574 | /* Find the length of the prefix common to all items: length as displayed | |
1575 | characters (common_length) and as a byte index into the matches (sind) */ | |
1576 | common_length = sind = 0; | |
1577 | if (_rl_completion_prefix_display_length > 0) | |
1578 | { | |
1579 | t = printable_part (matches[0]); | |
775e241e TT |
1580 | /* check again in case of /usr/src/ */ |
1581 | temp = rl_filename_completion_desired ? strrchr (t, '/') : 0; | |
cc88a640 JK |
1582 | common_length = temp ? fnwidth (temp) : fnwidth (t); |
1583 | sind = temp ? strlen (temp) : strlen (t); | |
775e241e TT |
1584 | if (common_length > max || sind > max) |
1585 | common_length = sind = 0; | |
cc88a640 JK |
1586 | |
1587 | if (common_length > _rl_completion_prefix_display_length && common_length > ELLIPSIS_LEN) | |
1588 | max -= common_length - ELLIPSIS_LEN; | |
1589 | else | |
1590 | common_length = sind = 0; | |
1591 | } | |
775e241e TT |
1592 | #if defined (COLOR_SUPPORT) |
1593 | else if (_rl_colored_completion_prefix > 0) | |
1594 | { | |
1595 | t = printable_part (matches[0]); | |
1596 | temp = rl_filename_completion_desired ? strrchr (t, '/') : 0; | |
1597 | common_length = temp ? fnwidth (temp) : fnwidth (t); | |
1598 | sind = temp ? RL_STRLEN (temp+1) : RL_STRLEN (t); /* want portion after final slash */ | |
1599 | if (common_length > max || sind > max) | |
1600 | common_length = sind = 0; | |
1601 | } | |
1602 | #endif | |
d60d9f65 | 1603 | |
d60d9f65 | 1604 | /* How many items of MAX length can we fit in the screen window? */ |
cc88a640 | 1605 | cols = complete_get_screenwidth (); |
d60d9f65 | 1606 | max += 2; |
cc88a640 JK |
1607 | limit = cols / max; |
1608 | if (limit != 1 && (limit * max == cols)) | |
d60d9f65 SS |
1609 | limit--; |
1610 | ||
cc88a640 JK |
1611 | /* If cols == 0, limit will end up -1 */ |
1612 | if (cols < _rl_screenwidth && limit < 0) | |
1613 | limit = 1; | |
1614 | ||
1615 | /* Avoid a possible floating exception. If max > cols, | |
d60d9f65 SS |
1616 | limit will be 0 and a divide-by-zero fault will result. */ |
1617 | if (limit == 0) | |
1618 | limit = 1; | |
1619 | ||
1620 | /* How many iterations of the printing loop? */ | |
1621 | count = (len + (limit - 1)) / limit; | |
1622 | ||
1623 | /* Watch out for special case. If LEN is less than LIMIT, then | |
1624 | just do the inner printing loop. | |
1625 | 0 < len <= limit implies count = 1. */ | |
1626 | ||
1627 | /* Sort the items if they are not already sorted. */ | |
cc88a640 | 1628 | if (rl_ignore_completion_duplicates == 0 && rl_sort_completion_matches) |
1b17e766 | 1629 | qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); |
d60d9f65 | 1630 | |
9255ee31 | 1631 | rl_crlf (); |
d60d9f65 | 1632 | |
9255ee31 | 1633 | lines = 0; |
d60d9f65 SS |
1634 | if (_rl_print_completions_horizontally == 0) |
1635 | { | |
1636 | /* Print the sorted items, up-and-down alphabetically, like ls. */ | |
1637 | for (i = 1; i <= count; i++) | |
1638 | { | |
1639 | for (j = 0, l = i; j < limit; j++) | |
1640 | { | |
1641 | if (l > len || matches[l] == 0) | |
1642 | break; | |
1643 | else | |
1644 | { | |
1645 | temp = printable_part (matches[l]); | |
cc88a640 | 1646 | printed_len = print_filename (temp, matches[l], sind); |
d60d9f65 SS |
1647 | |
1648 | if (j + 1 < limit) | |
775e241e TT |
1649 | { |
1650 | if (max <= printed_len) | |
1651 | putc (' ', rl_outstream); | |
1652 | else | |
1653 | for (k = 0; k < max - printed_len; k++) | |
1654 | putc (' ', rl_outstream); | |
1655 | } | |
d60d9f65 SS |
1656 | } |
1657 | l += count; | |
1658 | } | |
9255ee31 | 1659 | rl_crlf (); |
775e241e TT |
1660 | #if defined (SIGWINCH) |
1661 | if (RL_SIG_RECEIVED () && RL_SIGWINCH_RECEIVED() == 0) | |
1662 | #else | |
1663 | if (RL_SIG_RECEIVED ()) | |
1664 | #endif | |
1665 | return; | |
9255ee31 EZ |
1666 | lines++; |
1667 | if (_rl_page_completions && lines >= (_rl_screenheight - 1) && i < count) | |
1668 | { | |
1669 | lines = _rl_internal_pager (lines); | |
1670 | if (lines < 0) | |
1671 | return; | |
1672 | } | |
d60d9f65 SS |
1673 | } |
1674 | } | |
1675 | else | |
1676 | { | |
1677 | /* Print the sorted items, across alphabetically, like ls -x. */ | |
1678 | for (i = 1; matches[i]; i++) | |
1679 | { | |
1680 | temp = printable_part (matches[i]); | |
cc88a640 | 1681 | printed_len = print_filename (temp, matches[i], sind); |
d60d9f65 | 1682 | /* Have we reached the end of this line? */ |
775e241e TT |
1683 | #if defined (SIGWINCH) |
1684 | if (RL_SIG_RECEIVED () && RL_SIGWINCH_RECEIVED() == 0) | |
1685 | #else | |
1686 | if (RL_SIG_RECEIVED ()) | |
1687 | #endif | |
1688 | return; | |
d60d9f65 SS |
1689 | if (matches[i+1]) |
1690 | { | |
775e241e | 1691 | if (limit == 1 || (i && (limit > 1) && (i % limit) == 0)) |
9255ee31 EZ |
1692 | { |
1693 | rl_crlf (); | |
1694 | lines++; | |
1695 | if (_rl_page_completions && lines >= _rl_screenheight - 1) | |
1696 | { | |
1697 | lines = _rl_internal_pager (lines); | |
1698 | if (lines < 0) | |
1699 | return; | |
1700 | } | |
1701 | } | |
775e241e TT |
1702 | else if (max <= printed_len) |
1703 | putc (' ', rl_outstream); | |
d60d9f65 SS |
1704 | else |
1705 | for (k = 0; k < max - printed_len; k++) | |
1706 | putc (' ', rl_outstream); | |
1707 | } | |
1708 | } | |
9255ee31 | 1709 | rl_crlf (); |
d60d9f65 | 1710 | } |
c862e87b JM |
1711 | } |
1712 | ||
1713 | /* Display MATCHES, a list of matching filenames in argv format. This | |
1714 | handles the simple case -- a single match -- first. If there is more | |
1715 | than one match, we compute the number of strings in the list and the | |
1716 | length of the longest string, which will be needed by the display | |
1717 | function. If the application wants to handle displaying the list of | |
1718 | matches itself, it sets RL_COMPLETION_DISPLAY_MATCHES_HOOK to the | |
1719 | address of a function, and we just call it. If we're handling the | |
1720 | display ourselves, we just call rl_display_match_list. We also check | |
1721 | that the list of matches doesn't exceed the user-settable threshold, | |
1722 | and ask the user if he wants to see the list if there are more matches | |
1723 | than RL_COMPLETION_QUERY_ITEMS. */ | |
1724 | static void | |
1725 | display_matches (matches) | |
1726 | char **matches; | |
1727 | { | |
1728 | int len, max, i; | |
1729 | char *temp; | |
1730 | ||
1731 | /* Move to the last visible line of a possibly-multiple-line command. */ | |
1732 | _rl_move_vert (_rl_vis_botlin); | |
1733 | ||
1734 | /* Handle simple case first. What if there is only one answer? */ | |
1735 | if (matches[1] == 0) | |
1736 | { | |
1737 | temp = printable_part (matches[0]); | |
9255ee31 | 1738 | rl_crlf (); |
cc88a640 | 1739 | print_filename (temp, matches[0], 0); |
9255ee31 | 1740 | rl_crlf (); |
c862e87b JM |
1741 | |
1742 | rl_forced_update_display (); | |
1743 | rl_display_fixed = 1; | |
1744 | ||
1745 | return; | |
1746 | } | |
1747 | ||
1748 | /* There is more than one answer. Find out how many there are, | |
1749 | and find the maximum printed length of a single entry. */ | |
1750 | for (max = 0, i = 1; matches[i]; i++) | |
1751 | { | |
1752 | temp = printable_part (matches[i]); | |
5bdf8622 | 1753 | len = fnwidth (temp); |
c862e87b JM |
1754 | |
1755 | if (len > max) | |
1756 | max = len; | |
1757 | } | |
1758 | ||
1759 | len = i - 1; | |
1760 | ||
1761 | /* If the caller has defined a display hook, then call that now. */ | |
1762 | if (rl_completion_display_matches_hook) | |
1763 | { | |
1764 | (*rl_completion_display_matches_hook) (matches, len, max); | |
1765 | return; | |
1766 | } | |
1767 | ||
1768 | /* If there are many items, then ask the user if she really wants to | |
1769 | see them all. */ | |
5bdf8622 | 1770 | if (rl_completion_query_items > 0 && len >= rl_completion_query_items) |
c862e87b | 1771 | { |
9255ee31 | 1772 | rl_crlf (); |
c862e87b JM |
1773 | fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len); |
1774 | fflush (rl_outstream); | |
cc88a640 | 1775 | if ((completion_y_or_n = get_y_or_n (0)) == 0) |
c862e87b | 1776 | { |
9255ee31 | 1777 | rl_crlf (); |
c862e87b JM |
1778 | |
1779 | rl_forced_update_display (); | |
1780 | rl_display_fixed = 1; | |
1781 | ||
1782 | return; | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | rl_display_match_list (matches, len, max); | |
d60d9f65 | 1787 | |
d60d9f65 SS |
1788 | rl_forced_update_display (); |
1789 | rl_display_fixed = 1; | |
d60d9f65 SS |
1790 | } |
1791 | ||
1792 | static char * | |
1793 | make_quoted_replacement (match, mtype, qc) | |
1794 | char *match; | |
1795 | int mtype; | |
1796 | char *qc; /* Pointer to quoting character, if any */ | |
1797 | { | |
1798 | int should_quote, do_replace; | |
1799 | char *replacement; | |
1800 | ||
1801 | /* If we are doing completion on quoted substrings, and any matches | |
1802 | contain any of the completer_word_break_characters, then auto- | |
1803 | matically prepend the substring with a quote character (just pick | |
1804 | the first one from the list of such) if it does not already begin | |
1805 | with a quote string. FIXME: Need to remove any such automatically | |
1806 | inserted quote character when it no longer is necessary, such as | |
1807 | if we change the string we are completing on and the new set of | |
1808 | matches don't require a quoted substring. */ | |
1809 | replacement = match; | |
1810 | ||
1811 | should_quote = match && rl_completer_quote_characters && | |
1812 | rl_filename_completion_desired && | |
1813 | rl_filename_quoting_desired; | |
1814 | ||
1815 | if (should_quote) | |
c862e87b JM |
1816 | should_quote = should_quote && (!qc || !*qc || |
1817 | (rl_completer_quote_characters && strchr (rl_completer_quote_characters, *qc))); | |
d60d9f65 SS |
1818 | |
1819 | if (should_quote) | |
1820 | { | |
1821 | /* If there is a single match, see if we need to quote it. | |
1822 | This also checks whether the common prefix of several | |
1823 | matches needs to be quoted. */ | |
1824 | should_quote = rl_filename_quote_characters | |
9255ee31 | 1825 | ? (_rl_strpbrk (match, rl_filename_quote_characters) != 0) |
d60d9f65 SS |
1826 | : 0; |
1827 | ||
1828 | do_replace = should_quote ? mtype : NO_MATCH; | |
1829 | /* Quote the replacement, since we found an embedded | |
1830 | word break character in a potential match. */ | |
1831 | if (do_replace != NO_MATCH && rl_filename_quoting_function) | |
1832 | replacement = (*rl_filename_quoting_function) (match, do_replace, qc); | |
1833 | } | |
1834 | return (replacement); | |
1835 | } | |
1836 | ||
1837 | static void | |
1838 | insert_match (match, start, mtype, qc) | |
1839 | char *match; | |
1840 | int start, mtype; | |
1841 | char *qc; | |
1842 | { | |
cc88a640 | 1843 | char *replacement, *r; |
d60d9f65 | 1844 | char oqc; |
cc88a640 | 1845 | int end, rlen; |
d60d9f65 SS |
1846 | |
1847 | oqc = qc ? *qc : '\0'; | |
1848 | replacement = make_quoted_replacement (match, mtype, qc); | |
1849 | ||
1850 | /* Now insert the match. */ | |
1851 | if (replacement) | |
1852 | { | |
cc88a640 | 1853 | rlen = strlen (replacement); |
d60d9f65 SS |
1854 | /* Don't double an opening quote character. */ |
1855 | if (qc && *qc && start && rl_line_buffer[start - 1] == *qc && | |
1856 | replacement[0] == *qc) | |
1857 | start--; | |
1858 | /* If make_quoted_replacement changed the quoting character, remove | |
1859 | the opening quote and insert the (fully-quoted) replacement. */ | |
1860 | else if (qc && (*qc != oqc) && start && rl_line_buffer[start - 1] == oqc && | |
1861 | replacement[0] != oqc) | |
1862 | start--; | |
cc88a640 JK |
1863 | end = rl_point - 1; |
1864 | /* Don't double a closing quote character */ | |
1865 | if (qc && *qc && end && rl_line_buffer[rl_point] == *qc && replacement[rlen - 1] == *qc) | |
1866 | end++; | |
1867 | if (_rl_skip_completed_text) | |
1868 | { | |
1869 | r = replacement; | |
1870 | while (start < rl_end && *r && rl_line_buffer[start] == *r) | |
1871 | { | |
1872 | start++; | |
1873 | r++; | |
1874 | } | |
1875 | if (start <= end || *r) | |
1876 | _rl_replace_text (r, start, end); | |
1877 | rl_point = start + strlen (r); | |
1878 | } | |
1879 | else | |
1880 | _rl_replace_text (replacement, start, end); | |
d60d9f65 | 1881 | if (replacement != match) |
cc88a640 | 1882 | xfree (replacement); |
d60d9f65 SS |
1883 | } |
1884 | } | |
1885 | ||
1886 | /* Append any necessary closing quote and a separator character to the | |
1887 | just-inserted match. If the user has specified that directories | |
1888 | should be marked by a trailing `/', append one of those instead. The | |
1889 | default trailing character is a space. Returns the number of characters | |
9255ee31 EZ |
1890 | appended. If NONTRIVIAL_MATCH is set, we test for a symlink (if the OS |
1891 | has them) and don't add a suffix for a symlink to a directory. A | |
1892 | nontrivial match is one that actually adds to the word being completed. | |
1893 | The variable rl_completion_mark_symlink_dirs controls this behavior | |
1894 | (it's initially set to the what the user has chosen, indicated by the | |
1895 | value of _rl_complete_mark_symlink_dirs, but may be modified by an | |
1896 | application's completion function). */ | |
d60d9f65 | 1897 | static int |
9255ee31 | 1898 | append_to_match (text, delimiter, quote_char, nontrivial_match) |
d60d9f65 | 1899 | char *text; |
9255ee31 | 1900 | int delimiter, quote_char, nontrivial_match; |
d60d9f65 | 1901 | { |
775e241e | 1902 | char temp_string[4], *filename, *fn; |
9255ee31 | 1903 | int temp_string_index, s; |
d60d9f65 SS |
1904 | struct stat finfo; |
1905 | ||
1906 | temp_string_index = 0; | |
5bdf8622 DJ |
1907 | if (quote_char && rl_point && rl_completion_suppress_quote == 0 && |
1908 | rl_line_buffer[rl_point - 1] != quote_char) | |
d60d9f65 SS |
1909 | temp_string[temp_string_index++] = quote_char; |
1910 | ||
1911 | if (delimiter) | |
1912 | temp_string[temp_string_index++] = delimiter; | |
9255ee31 | 1913 | else if (rl_completion_suppress_append == 0 && rl_completion_append_character) |
d60d9f65 SS |
1914 | temp_string[temp_string_index++] = rl_completion_append_character; |
1915 | ||
1916 | temp_string[temp_string_index++] = '\0'; | |
1917 | ||
1918 | if (rl_filename_completion_desired) | |
1919 | { | |
1920 | filename = tilde_expand (text); | |
775e241e TT |
1921 | if (rl_filename_stat_hook) |
1922 | { | |
1923 | fn = savestring (filename); | |
1924 | (*rl_filename_stat_hook) (&fn); | |
1925 | xfree (filename); | |
1926 | filename = fn; | |
1927 | } | |
9255ee31 EZ |
1928 | s = (nontrivial_match && rl_completion_mark_symlink_dirs == 0) |
1929 | ? LSTAT (filename, &finfo) | |
1930 | : stat (filename, &finfo); | |
1931 | if (s == 0 && S_ISDIR (finfo.st_mode)) | |
d60d9f65 | 1932 | { |
5bdf8622 | 1933 | if (_rl_complete_mark_directories /* && rl_completion_suppress_append == 0 */) |
9255ee31 EZ |
1934 | { |
1935 | /* This is clumsy. Avoid putting in a double slash if point | |
1936 | is at the end of the line and the previous character is a | |
1937 | slash. */ | |
1938 | if (rl_point && rl_line_buffer[rl_point] == '\0' && rl_line_buffer[rl_point - 1] == '/') | |
1939 | ; | |
1940 | else if (rl_line_buffer[rl_point] != '/') | |
1941 | rl_insert_text ("/"); | |
1942 | } | |
d60d9f65 | 1943 | } |
9255ee31 EZ |
1944 | #ifdef S_ISLNK |
1945 | /* Don't add anything if the filename is a symlink and resolves to a | |
1946 | directory. */ | |
775e241e | 1947 | else if (s == 0 && S_ISLNK (finfo.st_mode) && path_isdir (filename)) |
9255ee31 EZ |
1948 | ; |
1949 | #endif | |
d60d9f65 SS |
1950 | else |
1951 | { | |
9255ee31 | 1952 | if (rl_point == rl_end && temp_string_index) |
d60d9f65 SS |
1953 | rl_insert_text (temp_string); |
1954 | } | |
cc88a640 | 1955 | xfree (filename); |
d60d9f65 SS |
1956 | } |
1957 | else | |
1958 | { | |
9255ee31 | 1959 | if (rl_point == rl_end && temp_string_index) |
d60d9f65 SS |
1960 | rl_insert_text (temp_string); |
1961 | } | |
1962 | ||
1963 | return (temp_string_index); | |
1964 | } | |
1965 | ||
1966 | static void | |
1967 | insert_all_matches (matches, point, qc) | |
1968 | char **matches; | |
1969 | int point; | |
1970 | char *qc; | |
1971 | { | |
1972 | int i; | |
1973 | char *rp; | |
1974 | ||
1975 | rl_begin_undo_group (); | |
1976 | /* remove any opening quote character; make_quoted_replacement will add | |
1977 | it back. */ | |
1978 | if (qc && *qc && point && rl_line_buffer[point - 1] == *qc) | |
1979 | point--; | |
1980 | rl_delete_text (point, rl_point); | |
1981 | rl_point = point; | |
1982 | ||
1983 | if (matches[1]) | |
1984 | { | |
1985 | for (i = 1; matches[i]; i++) | |
1986 | { | |
1987 | rp = make_quoted_replacement (matches[i], SINGLE_MATCH, qc); | |
1988 | rl_insert_text (rp); | |
1989 | rl_insert_text (" "); | |
1990 | if (rp != matches[i]) | |
cc88a640 | 1991 | xfree (rp); |
d60d9f65 SS |
1992 | } |
1993 | } | |
1994 | else | |
1995 | { | |
1996 | rp = make_quoted_replacement (matches[0], SINGLE_MATCH, qc); | |
1997 | rl_insert_text (rp); | |
1998 | rl_insert_text (" "); | |
1999 | if (rp != matches[0]) | |
cc88a640 | 2000 | xfree (rp); |
d60d9f65 SS |
2001 | } |
2002 | rl_end_undo_group (); | |
2003 | } | |
2004 | ||
9255ee31 EZ |
2005 | void |
2006 | _rl_free_match_list (matches) | |
c862e87b JM |
2007 | char **matches; |
2008 | { | |
2009 | register int i; | |
2010 | ||
9255ee31 EZ |
2011 | if (matches == 0) |
2012 | return; | |
2013 | ||
c862e87b | 2014 | for (i = 0; matches[i]; i++) |
cc88a640 JK |
2015 | xfree (matches[i]); |
2016 | xfree (matches); | |
c862e87b JM |
2017 | } |
2018 | ||
d60d9f65 SS |
2019 | /* Complete the word at or before point. |
2020 | WHAT_TO_DO says what to do with the completion. | |
2021 | `?' means list the possible completions. | |
2022 | TAB means do standard completion. | |
2023 | `*' means insert all of the possible completions. | |
2024 | `!' means to do standard completion, and list all possible completions if | |
5bdf8622 DJ |
2025 | there is more than one. |
2026 | `@' means to do standard completion, and list all possible completions if | |
2027 | there is more than one and partial completion is not possible. */ | |
d60d9f65 SS |
2028 | int |
2029 | rl_complete_internal (what_to_do) | |
2030 | int what_to_do; | |
2031 | { | |
2032 | char **matches; | |
9255ee31 EZ |
2033 | rl_compentry_func_t *our_func; |
2034 | int start, end, delimiter, found_quote, i, nontrivial_lcd; | |
d60d9f65 SS |
2035 | char *text, *saved_line_buffer; |
2036 | char quote_char; | |
cc88a640 JK |
2037 | #if 1 |
2038 | int tlen, mlen; | |
2039 | #endif | |
d60d9f65 | 2040 | |
9255ee31 EZ |
2041 | RL_SETSTATE(RL_STATE_COMPLETING); |
2042 | ||
2043 | set_completion_defaults (what_to_do); | |
d60d9f65 SS |
2044 | |
2045 | saved_line_buffer = rl_line_buffer ? savestring (rl_line_buffer) : (char *)NULL; | |
2046 | our_func = rl_completion_entry_function | |
2047 | ? rl_completion_entry_function | |
9255ee31 | 2048 | : rl_filename_completion_function; |
d60d9f65 SS |
2049 | /* We now look backwards for the start of a filename/variable word. */ |
2050 | end = rl_point; | |
2051 | found_quote = delimiter = 0; | |
2052 | quote_char = '\0'; | |
2053 | ||
2054 | if (rl_point) | |
2055 | /* This (possibly) changes rl_point. If it returns a non-zero char, | |
2056 | we know we have an open quote. */ | |
9255ee31 | 2057 | quote_char = _rl_find_completion_word (&found_quote, &delimiter); |
d60d9f65 SS |
2058 | |
2059 | start = rl_point; | |
2060 | rl_point = end; | |
2061 | ||
2062 | text = rl_copy_text (start, end); | |
2063 | matches = gen_completion_matches (text, start, end, our_func, found_quote, quote_char); | |
9255ee31 EZ |
2064 | /* nontrivial_lcd is set if the common prefix adds something to the word |
2065 | being completed. */ | |
2066 | nontrivial_lcd = matches && strcmp (text, matches[0]) != 0; | |
cc88a640 JK |
2067 | if (what_to_do == '!' || what_to_do == '@') |
2068 | tlen = strlen (text); | |
cc88a640 | 2069 | xfree (text); |
d60d9f65 SS |
2070 | |
2071 | if (matches == 0) | |
2072 | { | |
9255ee31 | 2073 | rl_ding (); |
d60d9f65 | 2074 | FREE (saved_line_buffer); |
9255ee31 EZ |
2075 | completion_changed_buffer = 0; |
2076 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
cc88a640 | 2077 | _rl_reset_completion_state (); |
d60d9f65 SS |
2078 | return (0); |
2079 | } | |
2080 | ||
c862e87b JM |
2081 | /* If we are matching filenames, the attempted completion function will |
2082 | have set rl_filename_completion_desired to a non-zero value. The basic | |
9255ee31 | 2083 | rl_filename_completion_function does this. */ |
c862e87b | 2084 | i = rl_filename_completion_desired; |
c862e87b JM |
2085 | |
2086 | if (postprocess_matches (&matches, i) == 0) | |
d60d9f65 | 2087 | { |
9255ee31 | 2088 | rl_ding (); |
d60d9f65 | 2089 | FREE (saved_line_buffer); |
c862e87b | 2090 | completion_changed_buffer = 0; |
9255ee31 | 2091 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
cc88a640 | 2092 | _rl_reset_completion_state (); |
d60d9f65 SS |
2093 | return (0); |
2094 | } | |
2095 | ||
d60d9f65 SS |
2096 | switch (what_to_do) |
2097 | { | |
2098 | case TAB: | |
2099 | case '!': | |
5bdf8622 | 2100 | case '@': |
d60d9f65 | 2101 | /* Insert the first match with proper quoting. */ |
cc88a640 JK |
2102 | if (what_to_do == TAB) |
2103 | { | |
2104 | if (*matches[0]) | |
2105 | insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2106 | } | |
2107 | else if (*matches[0] && matches[1] == 0) | |
2108 | /* should we perform the check only if there are multiple matches? */ | |
2109 | insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2110 | else if (*matches[0]) /* what_to_do != TAB && multiple matches */ | |
2111 | { | |
2112 | mlen = *matches[0] ? strlen (matches[0]) : 0; | |
2113 | if (mlen >= tlen) | |
2114 | insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2115 | } | |
d60d9f65 SS |
2116 | |
2117 | /* If there are more matches, ring the bell to indicate. | |
2118 | If we are in vi mode, Posix.2 says to not ring the bell. | |
2119 | If the `show-all-if-ambiguous' variable is set, display | |
2120 | all the matches immediately. Otherwise, if this was the | |
2121 | only match, and we are hacking files, check the file to | |
2122 | see if it was a directory. If so, and the `mark-directories' | |
2123 | variable is set, add a '/' to the name. If not, and we | |
2124 | are at the end of the line, then add a space. */ | |
2125 | if (matches[1]) | |
2126 | { | |
2127 | if (what_to_do == '!') | |
2128 | { | |
2129 | display_matches (matches); | |
2130 | break; | |
2131 | } | |
5bdf8622 DJ |
2132 | else if (what_to_do == '@') |
2133 | { | |
2134 | if (nontrivial_lcd == 0) | |
2135 | display_matches (matches); | |
2136 | break; | |
2137 | } | |
d60d9f65 | 2138 | else if (rl_editing_mode != vi_mode) |
9255ee31 | 2139 | rl_ding (); /* There are other matches remaining. */ |
d60d9f65 SS |
2140 | } |
2141 | else | |
9255ee31 | 2142 | append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd); |
d60d9f65 SS |
2143 | |
2144 | break; | |
2145 | ||
2146 | case '*': | |
2147 | insert_all_matches (matches, start, "e_char); | |
2148 | break; | |
2149 | ||
2150 | case '?': | |
775e241e TT |
2151 | if (rl_completion_display_matches_hook == 0) |
2152 | { | |
2153 | _rl_sigcleanup = _rl_complete_sigcleanup; | |
2154 | _rl_sigcleanarg = matches; | |
2155 | _rl_complete_display_matches_interrupt = 0; | |
2156 | } | |
d60d9f65 | 2157 | display_matches (matches); |
775e241e TT |
2158 | if (_rl_complete_display_matches_interrupt) |
2159 | { | |
2160 | matches = 0; /* already freed by rl_complete_sigcleanup */ | |
2161 | _rl_complete_display_matches_interrupt = 0; | |
2162 | if (rl_signal_event_hook) | |
2163 | (*rl_signal_event_hook) (); /* XXX */ | |
2164 | } | |
2165 | _rl_sigcleanup = 0; | |
2166 | _rl_sigcleanarg = 0; | |
d60d9f65 SS |
2167 | break; |
2168 | ||
2169 | default: | |
cc88a640 | 2170 | _rl_ttymsg ("bad value %d for what_to_do in rl_complete", what_to_do); |
9255ee31 | 2171 | rl_ding (); |
d60d9f65 | 2172 | FREE (saved_line_buffer); |
9255ee31 | 2173 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
775e241e | 2174 | _rl_free_match_list (matches); |
cc88a640 | 2175 | _rl_reset_completion_state (); |
d60d9f65 SS |
2176 | return 1; |
2177 | } | |
2178 | ||
9255ee31 | 2179 | _rl_free_match_list (matches); |
d60d9f65 SS |
2180 | |
2181 | /* Check to see if the line has changed through all of this manipulation. */ | |
2182 | if (saved_line_buffer) | |
2183 | { | |
2184 | completion_changed_buffer = strcmp (rl_line_buffer, saved_line_buffer) != 0; | |
cc88a640 | 2185 | xfree (saved_line_buffer); |
d60d9f65 SS |
2186 | } |
2187 | ||
9255ee31 | 2188 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
cc88a640 | 2189 | _rl_reset_completion_state (); |
775e241e TT |
2190 | |
2191 | RL_CHECK_SIGNALS (); | |
d60d9f65 SS |
2192 | return 0; |
2193 | } | |
2194 | ||
2195 | /***************************************************************/ | |
2196 | /* */ | |
2197 | /* Application-callable completion match generator functions */ | |
2198 | /* */ | |
2199 | /***************************************************************/ | |
2200 | ||
2201 | /* Return an array of (char *) which is a list of completions for TEXT. | |
2202 | If there are no completions, return a NULL pointer. | |
2203 | The first entry in the returned array is the substitution for TEXT. | |
2204 | The remaining entries are the possible completions. | |
2205 | The array is terminated with a NULL pointer. | |
2206 | ||
2207 | ENTRY_FUNCTION is a function of two args, and returns a (char *). | |
2208 | The first argument is TEXT. | |
2209 | The second is a state argument; it should be zero on the first call, and | |
2210 | non-zero on subsequent calls. It returns a NULL pointer to the caller | |
2211 | when there are no more matches. | |
2212 | */ | |
2213 | char ** | |
9255ee31 EZ |
2214 | rl_completion_matches (text, entry_function) |
2215 | const char *text; | |
2216 | rl_compentry_func_t *entry_function; | |
d60d9f65 | 2217 | { |
775e241e TT |
2218 | register int i; |
2219 | ||
d60d9f65 SS |
2220 | /* Number of slots in match_list. */ |
2221 | int match_list_size; | |
2222 | ||
2223 | /* The list of matches. */ | |
2224 | char **match_list; | |
2225 | ||
2226 | /* Number of matches actually found. */ | |
2227 | int matches; | |
2228 | ||
2229 | /* Temporary string binder. */ | |
2230 | char *string; | |
2231 | ||
2232 | matches = 0; | |
2233 | match_list_size = 10; | |
2234 | match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *)); | |
2235 | match_list[1] = (char *)NULL; | |
2236 | ||
729b8652 | 2237 | while (string = (*entry_function) (text, matches)) |
d60d9f65 | 2238 | { |
775e241e TT |
2239 | if (RL_SIG_RECEIVED ()) |
2240 | { | |
2241 | /* Start at 1 because we don't set matches[0] in this function. | |
2242 | Only free the list members if we're building match list from | |
2243 | rl_filename_completion_function, since we know that doesn't | |
2244 | free the strings it returns. */ | |
2245 | if (entry_function == rl_filename_completion_function) | |
2246 | { | |
2247 | for (i = 1; match_list[i]; i++) | |
2248 | xfree (match_list[i]); | |
2249 | } | |
2250 | xfree (match_list); | |
2251 | match_list = 0; | |
2252 | match_list_size = 0; | |
2253 | matches = 0; | |
2254 | RL_CHECK_SIGNALS (); | |
2255 | } | |
2256 | ||
2257 | if (matches + 1 >= match_list_size) | |
d60d9f65 SS |
2258 | match_list = (char **)xrealloc |
2259 | (match_list, ((match_list_size += 10) + 1) * sizeof (char *)); | |
2260 | ||
775e241e TT |
2261 | if (match_list == 0) |
2262 | return (match_list); | |
2263 | ||
d60d9f65 SS |
2264 | match_list[++matches] = string; |
2265 | match_list[matches + 1] = (char *)NULL; | |
2266 | } | |
2267 | ||
2268 | /* If there were any matches, then look through them finding out the | |
2269 | lowest common denominator. That then becomes match_list[0]. */ | |
2270 | if (matches) | |
2271 | compute_lcd_of_matches (match_list, matches, text); | |
2272 | else /* There were no matches. */ | |
2273 | { | |
cc88a640 | 2274 | xfree (match_list); |
d60d9f65 SS |
2275 | match_list = (char **)NULL; |
2276 | } | |
2277 | return (match_list); | |
2278 | } | |
2279 | ||
2280 | /* A completion function for usernames. | |
2281 | TEXT contains a partial username preceded by a random | |
2282 | character (usually `~'). */ | |
2283 | char * | |
9255ee31 EZ |
2284 | rl_username_completion_function (text, state) |
2285 | const char *text; | |
c862e87b | 2286 | int state; |
d60d9f65 | 2287 | { |
cd0040c1 | 2288 | #if defined (__WIN32__) || defined (__OPENNT) |
d60d9f65 | 2289 | return (char *)NULL; |
1b17e766 | 2290 | #else /* !__WIN32__ && !__OPENNT) */ |
d60d9f65 SS |
2291 | static char *username = (char *)NULL; |
2292 | static struct passwd *entry; | |
2293 | static int namelen, first_char, first_char_loc; | |
2294 | char *value; | |
2295 | ||
2296 | if (state == 0) | |
2297 | { | |
2298 | FREE (username); | |
2299 | ||
2300 | first_char = *text; | |
2301 | first_char_loc = first_char == '~'; | |
2302 | ||
2303 | username = savestring (&text[first_char_loc]); | |
2304 | namelen = strlen (username); | |
775e241e | 2305 | #if defined (HAVE_GETPWENT) |
d60d9f65 | 2306 | setpwent (); |
775e241e | 2307 | #endif |
d60d9f65 SS |
2308 | } |
2309 | ||
5bdf8622 | 2310 | #if defined (HAVE_GETPWENT) |
d60d9f65 SS |
2311 | while (entry = getpwent ()) |
2312 | { | |
2313 | /* Null usernames should result in all users as possible completions. */ | |
2314 | if (namelen == 0 || (STREQN (username, entry->pw_name, namelen))) | |
2315 | break; | |
2316 | } | |
430b7832 | 2317 | #endif |
d60d9f65 SS |
2318 | |
2319 | if (entry == 0) | |
2320 | { | |
5bdf8622 | 2321 | #if defined (HAVE_GETPWENT) |
d60d9f65 | 2322 | endpwent (); |
430b7832 | 2323 | #endif |
d60d9f65 SS |
2324 | return ((char *)NULL); |
2325 | } | |
2326 | else | |
2327 | { | |
9255ee31 | 2328 | value = (char *)xmalloc (2 + strlen (entry->pw_name)); |
d60d9f65 SS |
2329 | |
2330 | *value = *text; | |
2331 | ||
2332 | strcpy (value + first_char_loc, entry->pw_name); | |
2333 | ||
2334 | if (first_char == '~') | |
2335 | rl_filename_completion_desired = 1; | |
2336 | ||
2337 | return (value); | |
2338 | } | |
1b17e766 | 2339 | #endif /* !__WIN32__ && !__OPENNT */ |
d60d9f65 SS |
2340 | } |
2341 | ||
cc88a640 JK |
2342 | /* Return non-zero if CONVFN matches FILENAME up to the length of FILENAME |
2343 | (FILENAME_LEN). If _rl_completion_case_fold is set, compare without | |
775e241e TT |
2344 | regard to the alphabetic case of characters. If |
2345 | _rl_completion_case_map is set, make `-' and `_' equivalent. CONVFN is | |
2346 | the possibly-converted directory entry; FILENAME is what the user typed. */ | |
cc88a640 JK |
2347 | static int |
2348 | complete_fncmp (convfn, convlen, filename, filename_len) | |
2349 | const char *convfn; | |
2350 | int convlen; | |
2351 | const char *filename; | |
2352 | int filename_len; | |
2353 | { | |
2354 | register char *s1, *s2; | |
2355 | int d, len; | |
775e241e TT |
2356 | #if defined (HANDLE_MULTIBYTE) |
2357 | size_t v1, v2; | |
2358 | mbstate_t ps1, ps2; | |
2359 | wchar_t wc1, wc2; | |
2360 | #endif | |
2361 | ||
2362 | #if defined (HANDLE_MULTIBYTE) | |
2363 | memset (&ps1, 0, sizeof (mbstate_t)); | |
2364 | memset (&ps2, 0, sizeof (mbstate_t)); | |
2365 | #endif | |
2366 | ||
2367 | if (filename_len == 0) | |
2368 | return 1; | |
2369 | if (convlen < filename_len) | |
2370 | return 0; | |
2371 | ||
2372 | len = filename_len; | |
2373 | s1 = (char *)convfn; | |
2374 | s2 = (char *)filename; | |
cc88a640 JK |
2375 | |
2376 | /* Otherwise, if these match up to the length of filename, then | |
2377 | it is a match. */ | |
2378 | if (_rl_completion_case_fold && _rl_completion_case_map) | |
2379 | { | |
2380 | /* Case-insensitive comparison treating _ and - as equivalent */ | |
775e241e TT |
2381 | #if defined (HANDLE_MULTIBYTE) |
2382 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
cc88a640 | 2383 | { |
775e241e TT |
2384 | do |
2385 | { | |
2386 | v1 = mbrtowc (&wc1, s1, convlen, &ps1); | |
2387 | v2 = mbrtowc (&wc2, s2, filename_len, &ps2); | |
2388 | if (v1 == 0 && v2 == 0) | |
2389 | return 1; | |
2390 | else if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2)) | |
2391 | { | |
2392 | if (*s1 != *s2) /* do byte comparison */ | |
2393 | return 0; | |
2394 | else if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_')) | |
2395 | return 0; | |
2396 | s1++; s2++; len--; | |
2397 | continue; | |
2398 | } | |
2399 | wc1 = towlower (wc1); | |
2400 | wc2 = towlower (wc2); | |
2401 | s1 += v1; | |
2402 | s2 += v1; | |
2403 | len -= v1; | |
2404 | if ((wc1 == L'-' || wc1 == L'_') && (wc2 == L'-' || wc2 == L'_')) | |
2405 | continue; | |
2406 | if (wc1 != wc2) | |
2407 | return 0; | |
2408 | } | |
2409 | while (len != 0); | |
cc88a640 | 2410 | } |
775e241e TT |
2411 | else |
2412 | #endif | |
2413 | { | |
2414 | do | |
2415 | { | |
2416 | d = _rl_to_lower (*s1) - _rl_to_lower (*s2); | |
2417 | /* *s1 == [-_] && *s2 == [-_] */ | |
2418 | if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_')) | |
2419 | d = 0; | |
2420 | if (d != 0) | |
2421 | return 0; | |
2422 | s1++; s2++; /* already checked convlen >= filename_len */ | |
2423 | } | |
2424 | while (--len != 0); | |
2425 | } | |
2426 | ||
cc88a640 JK |
2427 | return 1; |
2428 | } | |
2429 | else if (_rl_completion_case_fold) | |
2430 | { | |
775e241e TT |
2431 | #if defined (HANDLE_MULTIBYTE) |
2432 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
2433 | { | |
2434 | do | |
2435 | { | |
2436 | v1 = mbrtowc (&wc1, s1, convlen, &ps1); | |
2437 | v2 = mbrtowc (&wc2, s2, filename_len, &ps2); | |
2438 | if (v1 == 0 && v2 == 0) | |
2439 | return 1; | |
2440 | else if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2)) | |
2441 | { | |
2442 | if (*s1 != *s2) /* do byte comparison */ | |
2443 | return 0; | |
2444 | s1++; s2++; len--; | |
2445 | continue; | |
2446 | } | |
2447 | wc1 = towlower (wc1); | |
2448 | wc2 = towlower (wc2); | |
2449 | if (wc1 != wc2) | |
2450 | return 0; | |
2451 | s1 += v1; | |
2452 | s2 += v1; | |
2453 | len -= v1; | |
2454 | } | |
2455 | while (len != 0); | |
2456 | return 1; | |
2457 | } | |
2458 | else | |
2459 | #endif | |
cc88a640 JK |
2460 | if ((_rl_to_lower (convfn[0]) == _rl_to_lower (filename[0])) && |
2461 | (convlen >= filename_len) && | |
2462 | (_rl_strnicmp (filename, convfn, filename_len) == 0)) | |
2463 | return 1; | |
2464 | } | |
2465 | else | |
2466 | { | |
2467 | if ((convfn[0] == filename[0]) && | |
2468 | (convlen >= filename_len) && | |
2469 | (strncmp (filename, convfn, filename_len) == 0)) | |
2470 | return 1; | |
2471 | } | |
2472 | return 0; | |
2473 | } | |
2474 | ||
d60d9f65 SS |
2475 | /* Okay, now we write the entry_function for filename completion. In the |
2476 | general case. Note that completion in the shell is a little different | |
2477 | because of all the pathnames that must be followed when looking up the | |
2478 | completion for a command. */ | |
2479 | char * | |
9255ee31 EZ |
2480 | rl_filename_completion_function (text, state) |
2481 | const char *text; | |
c862e87b | 2482 | int state; |
d60d9f65 SS |
2483 | { |
2484 | static DIR *directory = (DIR *)NULL; | |
2485 | static char *filename = (char *)NULL; | |
2486 | static char *dirname = (char *)NULL; | |
2487 | static char *users_dirname = (char *)NULL; | |
2488 | static int filename_len; | |
cc88a640 JK |
2489 | char *temp, *dentry, *convfn; |
2490 | int dirlen, dentlen, convlen; | |
775e241e | 2491 | int tilde_dirname; |
d60d9f65 SS |
2492 | struct dirent *entry; |
2493 | ||
2494 | /* If we don't have any state, then do some initialization. */ | |
2495 | if (state == 0) | |
2496 | { | |
2497 | /* If we were interrupted before closing the directory or reading | |
2498 | all of its contents, close it. */ | |
2499 | if (directory) | |
2500 | { | |
2501 | closedir (directory); | |
2502 | directory = (DIR *)NULL; | |
2503 | } | |
2504 | FREE (dirname); | |
2505 | FREE (filename); | |
2506 | FREE (users_dirname); | |
2507 | ||
2508 | filename = savestring (text); | |
2509 | if (*text == 0) | |
2510 | text = "."; | |
2511 | dirname = savestring (text); | |
2512 | ||
2513 | temp = strrchr (dirname, '/'); | |
2514 | ||
7f3c5ec8 | 2515 | #if defined (__MSDOS__) || defined (_WIN32) |
1b17e766 | 2516 | /* special hack for //X/... */ |
9255ee31 | 2517 | if (dirname[0] == '/' && dirname[1] == '/' && ISALPHA ((unsigned char)dirname[2]) && dirname[3] == '/') |
1b17e766 EZ |
2518 | temp = strrchr (dirname + 3, '/'); |
2519 | #endif | |
2520 | ||
d60d9f65 SS |
2521 | if (temp) |
2522 | { | |
2523 | strcpy (filename, ++temp); | |
2524 | *temp = '\0'; | |
2525 | } | |
7f3c5ec8 | 2526 | #if defined (__MSDOS__) || (defined (_WIN32) && !defined (__CYGWIN__)) |
1b17e766 | 2527 | /* searches from current directory on the drive */ |
9255ee31 | 2528 | else if (ISALPHA ((unsigned char)dirname[0]) && dirname[1] == ':') |
1b17e766 EZ |
2529 | { |
2530 | strcpy (filename, dirname + 2); | |
2531 | dirname[2] = '\0'; | |
2532 | } | |
cd0040c1 | 2533 | #endif |
d60d9f65 SS |
2534 | else |
2535 | { | |
2536 | dirname[0] = '.'; | |
2537 | dirname[1] = '\0'; | |
2538 | } | |
2539 | ||
2540 | /* We aren't done yet. We also support the "~user" syntax. */ | |
2541 | ||
cc88a640 JK |
2542 | /* Save the version of the directory that the user typed, dequoting |
2543 | it if necessary. */ | |
2544 | if (rl_completion_found_quote && rl_filename_dequoting_function) | |
2545 | users_dirname = (*rl_filename_dequoting_function) (dirname, rl_completion_quote_character); | |
2546 | else | |
2547 | users_dirname = savestring (dirname); | |
d60d9f65 | 2548 | |
775e241e | 2549 | tilde_dirname = 0; |
d60d9f65 SS |
2550 | if (*dirname == '~') |
2551 | { | |
2552 | temp = tilde_expand (dirname); | |
cc88a640 | 2553 | xfree (dirname); |
d60d9f65 | 2554 | dirname = temp; |
775e241e | 2555 | tilde_dirname = 1; |
d60d9f65 SS |
2556 | } |
2557 | ||
cc88a640 JK |
2558 | /* We have saved the possibly-dequoted version of the directory name |
2559 | the user typed. Now transform the directory name we're going to | |
2560 | pass to opendir(2). The directory rewrite hook modifies only the | |
2561 | directory name; the directory completion hook modifies both the | |
2562 | directory name passed to opendir(2) and the version the user | |
2563 | typed. Both the directory completion and rewrite hooks should perform | |
2564 | any necessary dequoting. The hook functions return 1 if they modify | |
2565 | the directory name argument. If either hook returns 0, it should | |
2566 | not modify the directory name pointer passed as an argument. */ | |
9255ee31 EZ |
2567 | if (rl_directory_rewrite_hook) |
2568 | (*rl_directory_rewrite_hook) (&dirname); | |
cc88a640 | 2569 | else if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname)) |
d60d9f65 | 2570 | { |
cc88a640 | 2571 | xfree (users_dirname); |
d60d9f65 SS |
2572 | users_dirname = savestring (dirname); |
2573 | } | |
775e241e | 2574 | else if (tilde_dirname == 0 && rl_completion_found_quote && rl_filename_dequoting_function) |
cc88a640 JK |
2575 | { |
2576 | /* delete single and double quotes */ | |
2577 | xfree (dirname); | |
2578 | dirname = savestring (users_dirname); | |
2579 | } | |
d60d9f65 | 2580 | directory = opendir (dirname); |
cc88a640 | 2581 | |
775e241e TT |
2582 | /* Now dequote a non-null filename. FILENAME will not be NULL, but may |
2583 | be empty. */ | |
2584 | if (*filename && rl_completion_found_quote && rl_filename_dequoting_function) | |
cc88a640 JK |
2585 | { |
2586 | /* delete single and double quotes */ | |
2587 | temp = (*rl_filename_dequoting_function) (filename, rl_completion_quote_character); | |
2588 | xfree (filename); | |
2589 | filename = temp; | |
2590 | } | |
d60d9f65 SS |
2591 | filename_len = strlen (filename); |
2592 | ||
2593 | rl_filename_completion_desired = 1; | |
2594 | } | |
2595 | ||
2596 | /* At this point we should entertain the possibility of hacking wildcarded | |
2597 | filenames, like /usr/man/man<WILD>/te<TAB>. If the directory name | |
2598 | contains globbing characters, then build an array of directories, and | |
2599 | then map over that list while completing. */ | |
2600 | /* *** UNIMPLEMENTED *** */ | |
2601 | ||
2602 | /* Now that we have some state, we can read the directory. */ | |
2603 | ||
2604 | entry = (struct dirent *)NULL; | |
2605 | while (directory && (entry = readdir (directory))) | |
2606 | { | |
cc88a640 JK |
2607 | convfn = dentry = entry->d_name; |
2608 | convlen = dentlen = D_NAMLEN (entry); | |
2609 | ||
2610 | if (rl_filename_rewrite_hook) | |
2611 | { | |
2612 | convfn = (*rl_filename_rewrite_hook) (dentry, dentlen); | |
2613 | convlen = (convfn == dentry) ? dentlen : strlen (convfn); | |
2614 | } | |
2615 | ||
9255ee31 EZ |
2616 | /* Special case for no filename. If the user has disabled the |
2617 | `match-hidden-files' variable, skip filenames beginning with `.'. | |
2618 | All other entries except "." and ".." match. */ | |
d60d9f65 SS |
2619 | if (filename_len == 0) |
2620 | { | |
cc88a640 | 2621 | if (_rl_match_hidden_files == 0 && HIDDEN_FILE (convfn)) |
9255ee31 EZ |
2622 | continue; |
2623 | ||
cc88a640 JK |
2624 | if (convfn[0] != '.' || |
2625 | (convfn[1] && (convfn[1] != '.' || convfn[2]))) | |
d60d9f65 SS |
2626 | break; |
2627 | } | |
2628 | else | |
2629 | { | |
cc88a640 JK |
2630 | if (complete_fncmp (convfn, convlen, filename, filename_len)) |
2631 | break; | |
d60d9f65 SS |
2632 | } |
2633 | } | |
2634 | ||
2635 | if (entry == 0) | |
2636 | { | |
2637 | if (directory) | |
2638 | { | |
2639 | closedir (directory); | |
2640 | directory = (DIR *)NULL; | |
2641 | } | |
2642 | if (dirname) | |
2643 | { | |
cc88a640 | 2644 | xfree (dirname); |
d60d9f65 SS |
2645 | dirname = (char *)NULL; |
2646 | } | |
2647 | if (filename) | |
2648 | { | |
cc88a640 | 2649 | xfree (filename); |
d60d9f65 SS |
2650 | filename = (char *)NULL; |
2651 | } | |
2652 | if (users_dirname) | |
2653 | { | |
cc88a640 | 2654 | xfree (users_dirname); |
d60d9f65 SS |
2655 | users_dirname = (char *)NULL; |
2656 | } | |
2657 | ||
2658 | return (char *)NULL; | |
2659 | } | |
2660 | else | |
2661 | { | |
2662 | /* dirname && (strcmp (dirname, ".") != 0) */ | |
2663 | if (dirname && (dirname[0] != '.' || dirname[1])) | |
2664 | { | |
2665 | if (rl_complete_with_tilde_expansion && *users_dirname == '~') | |
2666 | { | |
2667 | dirlen = strlen (dirname); | |
9255ee31 | 2668 | temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry)); |
d60d9f65 SS |
2669 | strcpy (temp, dirname); |
2670 | /* Canonicalization cuts off any final slash present. We | |
2671 | may need to add it back. */ | |
2672 | if (dirname[dirlen - 1] != '/') | |
2673 | { | |
2674 | temp[dirlen++] = '/'; | |
2675 | temp[dirlen] = '\0'; | |
2676 | } | |
2677 | } | |
2678 | else | |
2679 | { | |
2680 | dirlen = strlen (users_dirname); | |
9255ee31 | 2681 | temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry)); |
d60d9f65 | 2682 | strcpy (temp, users_dirname); |
9255ee31 EZ |
2683 | /* Make sure that temp has a trailing slash here. */ |
2684 | if (users_dirname[dirlen - 1] != '/') | |
2685 | temp[dirlen++] = '/'; | |
d60d9f65 SS |
2686 | } |
2687 | ||
cc88a640 | 2688 | strcpy (temp + dirlen, convfn); |
d60d9f65 SS |
2689 | } |
2690 | else | |
cc88a640 JK |
2691 | temp = savestring (convfn); |
2692 | ||
2693 | if (convfn != dentry) | |
2694 | xfree (convfn); | |
d60d9f65 SS |
2695 | |
2696 | return (temp); | |
2697 | } | |
2698 | } | |
2699 | ||
2700 | /* An initial implementation of a menu completion function a la tcsh. The | |
cc88a640 | 2701 | first time (if the last readline command was not rl_old_menu_complete), we |
d60d9f65 SS |
2702 | generate the list of matches. This code is very similar to the code in |
2703 | rl_complete_internal -- there should be a way to combine the two. Then, | |
2704 | for each item in the list of matches, we insert the match in an undoable | |
2705 | fashion, with the appropriate character appended (this happens on the | |
cc88a640 | 2706 | second and subsequent consecutive calls to rl_old_menu_complete). When we |
d60d9f65 SS |
2707 | hit the end of the match list, we restore the original unmatched text, |
2708 | ring the bell, and reset the counter to zero. */ | |
2709 | int | |
cc88a640 JK |
2710 | rl_old_menu_complete (count, invoking_key) |
2711 | int count, invoking_key; | |
d60d9f65 | 2712 | { |
9255ee31 | 2713 | rl_compentry_func_t *our_func; |
d60d9f65 SS |
2714 | int matching_filenames, found_quote; |
2715 | ||
2716 | static char *orig_text; | |
2717 | static char **matches = (char **)0; | |
2718 | static int match_list_index = 0; | |
2719 | static int match_list_size = 0; | |
2720 | static int orig_start, orig_end; | |
2721 | static char quote_char; | |
2722 | static int delimiter; | |
2723 | ||
2724 | /* The first time through, we generate the list of matches and set things | |
2725 | up to insert them. */ | |
cc88a640 | 2726 | if (rl_last_func != rl_old_menu_complete) |
d60d9f65 SS |
2727 | { |
2728 | /* Clean up from previous call, if any. */ | |
2729 | FREE (orig_text); | |
2730 | if (matches) | |
9255ee31 | 2731 | _rl_free_match_list (matches); |
d60d9f65 SS |
2732 | |
2733 | match_list_index = match_list_size = 0; | |
2734 | matches = (char **)NULL; | |
2735 | ||
cc88a640 JK |
2736 | rl_completion_invoking_key = invoking_key; |
2737 | ||
2738 | RL_SETSTATE(RL_STATE_COMPLETING); | |
2739 | ||
d60d9f65 | 2740 | /* Only the completion entry function can change these. */ |
9255ee31 | 2741 | set_completion_defaults ('%'); |
d60d9f65 | 2742 | |
cc88a640 JK |
2743 | our_func = rl_menu_completion_entry_function; |
2744 | if (our_func == 0) | |
2745 | our_func = rl_completion_entry_function | |
d60d9f65 | 2746 | ? rl_completion_entry_function |
9255ee31 | 2747 | : rl_filename_completion_function; |
d60d9f65 SS |
2748 | |
2749 | /* We now look backwards for the start of a filename/variable word. */ | |
2750 | orig_end = rl_point; | |
2751 | found_quote = delimiter = 0; | |
2752 | quote_char = '\0'; | |
2753 | ||
2754 | if (rl_point) | |
2755 | /* This (possibly) changes rl_point. If it returns a non-zero char, | |
2756 | we know we have an open quote. */ | |
9255ee31 | 2757 | quote_char = _rl_find_completion_word (&found_quote, &delimiter); |
d60d9f65 SS |
2758 | |
2759 | orig_start = rl_point; | |
2760 | rl_point = orig_end; | |
2761 | ||
2762 | orig_text = rl_copy_text (orig_start, orig_end); | |
2763 | matches = gen_completion_matches (orig_text, orig_start, orig_end, | |
2764 | our_func, found_quote, quote_char); | |
2765 | ||
c862e87b JM |
2766 | /* If we are matching filenames, the attempted completion function will |
2767 | have set rl_filename_completion_desired to a non-zero value. The basic | |
9255ee31 | 2768 | rl_filename_completion_function does this. */ |
c862e87b | 2769 | matching_filenames = rl_filename_completion_desired; |
9255ee31 | 2770 | |
c862e87b | 2771 | if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0) |
d60d9f65 | 2772 | { |
cc88a640 | 2773 | rl_ding (); |
d60d9f65 SS |
2774 | FREE (matches); |
2775 | matches = (char **)0; | |
2776 | FREE (orig_text); | |
2777 | orig_text = (char *)0; | |
cc88a640 JK |
2778 | completion_changed_buffer = 0; |
2779 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
2780 | return (0); | |
d60d9f65 SS |
2781 | } |
2782 | ||
cc88a640 JK |
2783 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
2784 | ||
d60d9f65 SS |
2785 | for (match_list_size = 0; matches[match_list_size]; match_list_size++) |
2786 | ; | |
2787 | /* matches[0] is lcd if match_list_size > 1, but the circular buffer | |
2788 | code below should take care of it. */ | |
cc88a640 JK |
2789 | |
2790 | if (match_list_size > 1 && _rl_complete_show_all) | |
2791 | display_matches (matches); | |
d60d9f65 SS |
2792 | } |
2793 | ||
2794 | /* Now we have the list of matches. Replace the text between | |
2795 | rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with | |
2796 | matches[match_list_index], and add any necessary closing char. */ | |
2797 | ||
2798 | if (matches == 0 || match_list_size == 0) | |
2799 | { | |
9255ee31 | 2800 | rl_ding (); |
d60d9f65 SS |
2801 | FREE (matches); |
2802 | matches = (char **)0; | |
2803 | completion_changed_buffer = 0; | |
2804 | return (0); | |
2805 | } | |
2806 | ||
5bdf8622 | 2807 | match_list_index += count; |
d60d9f65 | 2808 | if (match_list_index < 0) |
cc88a640 JK |
2809 | { |
2810 | while (match_list_index < 0) | |
2811 | match_list_index += match_list_size; | |
2812 | } | |
5bdf8622 DJ |
2813 | else |
2814 | match_list_index %= match_list_size; | |
d60d9f65 | 2815 | |
c862e87b | 2816 | if (match_list_index == 0 && match_list_size > 1) |
d60d9f65 | 2817 | { |
9255ee31 | 2818 | rl_ding (); |
d60d9f65 SS |
2819 | insert_match (orig_text, orig_start, MULT_MATCH, "e_char); |
2820 | } | |
2821 | else | |
2822 | { | |
2823 | insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char); | |
9255ee31 EZ |
2824 | append_to_match (matches[match_list_index], delimiter, quote_char, |
2825 | strcmp (orig_text, matches[match_list_index])); | |
d60d9f65 SS |
2826 | } |
2827 | ||
2828 | completion_changed_buffer = 1; | |
2829 | return (0); | |
2830 | } | |
cc88a640 JK |
2831 | |
2832 | int | |
2833 | rl_menu_complete (count, ignore) | |
2834 | int count, ignore; | |
2835 | { | |
2836 | rl_compentry_func_t *our_func; | |
2837 | int matching_filenames, found_quote; | |
2838 | ||
2839 | static char *orig_text; | |
2840 | static char **matches = (char **)0; | |
2841 | static int match_list_index = 0; | |
2842 | static int match_list_size = 0; | |
2843 | static int nontrivial_lcd = 0; | |
2844 | static int full_completion = 0; /* set to 1 if menu completion should reinitialize on next call */ | |
2845 | static int orig_start, orig_end; | |
2846 | static char quote_char; | |
2847 | static int delimiter, cstate; | |
2848 | ||
2849 | /* The first time through, we generate the list of matches and set things | |
2850 | up to insert them. */ | |
2851 | if ((rl_last_func != rl_menu_complete && rl_last_func != rl_backward_menu_complete) || full_completion) | |
2852 | { | |
2853 | /* Clean up from previous call, if any. */ | |
2854 | FREE (orig_text); | |
2855 | if (matches) | |
2856 | _rl_free_match_list (matches); | |
2857 | ||
2858 | match_list_index = match_list_size = 0; | |
2859 | matches = (char **)NULL; | |
2860 | ||
2861 | full_completion = 0; | |
2862 | ||
2863 | RL_SETSTATE(RL_STATE_COMPLETING); | |
2864 | ||
2865 | /* Only the completion entry function can change these. */ | |
2866 | set_completion_defaults ('%'); | |
2867 | ||
2868 | our_func = rl_menu_completion_entry_function; | |
2869 | if (our_func == 0) | |
2870 | our_func = rl_completion_entry_function | |
2871 | ? rl_completion_entry_function | |
2872 | : rl_filename_completion_function; | |
2873 | ||
2874 | /* We now look backwards for the start of a filename/variable word. */ | |
2875 | orig_end = rl_point; | |
2876 | found_quote = delimiter = 0; | |
2877 | quote_char = '\0'; | |
2878 | ||
2879 | if (rl_point) | |
2880 | /* This (possibly) changes rl_point. If it returns a non-zero char, | |
2881 | we know we have an open quote. */ | |
2882 | quote_char = _rl_find_completion_word (&found_quote, &delimiter); | |
2883 | ||
2884 | orig_start = rl_point; | |
2885 | rl_point = orig_end; | |
2886 | ||
2887 | orig_text = rl_copy_text (orig_start, orig_end); | |
2888 | matches = gen_completion_matches (orig_text, orig_start, orig_end, | |
2889 | our_func, found_quote, quote_char); | |
2890 | ||
2891 | nontrivial_lcd = matches && strcmp (orig_text, matches[0]) != 0; | |
2892 | ||
2893 | /* If we are matching filenames, the attempted completion function will | |
2894 | have set rl_filename_completion_desired to a non-zero value. The basic | |
2895 | rl_filename_completion_function does this. */ | |
2896 | matching_filenames = rl_filename_completion_desired; | |
2897 | ||
2898 | if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0) | |
2899 | { | |
2900 | rl_ding (); | |
2901 | FREE (matches); | |
2902 | matches = (char **)0; | |
2903 | FREE (orig_text); | |
2904 | orig_text = (char *)0; | |
2905 | completion_changed_buffer = 0; | |
2906 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
2907 | return (0); | |
2908 | } | |
2909 | ||
2910 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
2911 | ||
2912 | for (match_list_size = 0; matches[match_list_size]; match_list_size++) | |
2913 | ; | |
2914 | ||
2915 | if (match_list_size == 0) | |
2916 | { | |
2917 | rl_ding (); | |
2918 | FREE (matches); | |
2919 | matches = (char **)0; | |
2920 | match_list_index = 0; | |
2921 | completion_changed_buffer = 0; | |
2922 | return (0); | |
2923 | } | |
2924 | ||
2925 | /* matches[0] is lcd if match_list_size > 1, but the circular buffer | |
2926 | code below should take care of it. */ | |
2927 | if (*matches[0]) | |
2928 | { | |
2929 | insert_match (matches[0], orig_start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2930 | orig_end = orig_start + strlen (matches[0]); | |
2931 | completion_changed_buffer = STREQ (orig_text, matches[0]) == 0; | |
2932 | } | |
2933 | ||
2934 | if (match_list_size > 1 && _rl_complete_show_all) | |
2935 | { | |
2936 | display_matches (matches); | |
2937 | /* If there are so many matches that the user has to be asked | |
2938 | whether or not he wants to see the matches, menu completion | |
2939 | is unwieldy. */ | |
2940 | if (rl_completion_query_items > 0 && match_list_size >= rl_completion_query_items) | |
2941 | { | |
2942 | rl_ding (); | |
2943 | FREE (matches); | |
2944 | matches = (char **)0; | |
2945 | full_completion = 1; | |
2946 | return (0); | |
2947 | } | |
775e241e TT |
2948 | else if (_rl_menu_complete_prefix_first) |
2949 | { | |
2950 | rl_ding (); | |
2951 | return (0); | |
2952 | } | |
cc88a640 JK |
2953 | } |
2954 | else if (match_list_size <= 1) | |
2955 | { | |
2956 | append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd); | |
2957 | full_completion = 1; | |
2958 | return (0); | |
2959 | } | |
2960 | else if (_rl_menu_complete_prefix_first && match_list_size > 1) | |
2961 | { | |
2962 | rl_ding (); | |
2963 | return (0); | |
2964 | } | |
2965 | } | |
2966 | ||
2967 | /* Now we have the list of matches. Replace the text between | |
2968 | rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with | |
2969 | matches[match_list_index], and add any necessary closing char. */ | |
2970 | ||
2971 | if (matches == 0 || match_list_size == 0) | |
2972 | { | |
2973 | rl_ding (); | |
2974 | FREE (matches); | |
2975 | matches = (char **)0; | |
2976 | completion_changed_buffer = 0; | |
2977 | return (0); | |
2978 | } | |
2979 | ||
2980 | match_list_index += count; | |
2981 | if (match_list_index < 0) | |
2982 | { | |
2983 | while (match_list_index < 0) | |
2984 | match_list_index += match_list_size; | |
2985 | } | |
2986 | else | |
2987 | match_list_index %= match_list_size; | |
2988 | ||
2989 | if (match_list_index == 0 && match_list_size > 1) | |
2990 | { | |
2991 | rl_ding (); | |
2992 | insert_match (matches[0], orig_start, MULT_MATCH, "e_char); | |
2993 | } | |
2994 | else | |
2995 | { | |
2996 | insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char); | |
2997 | append_to_match (matches[match_list_index], delimiter, quote_char, | |
2998 | strcmp (orig_text, matches[match_list_index])); | |
2999 | } | |
3000 | ||
3001 | completion_changed_buffer = 1; | |
3002 | return (0); | |
3003 | } | |
3004 | ||
3005 | int | |
3006 | rl_backward_menu_complete (count, key) | |
3007 | int count, key; | |
3008 | { | |
3009 | /* Positive arguments to backward-menu-complete translate into negative | |
3010 | arguments for menu-complete, and vice versa. */ | |
3011 | return (rl_menu_complete (-count, key)); | |
3012 | } |