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d60d9f65 SS |
1 | /* complete.c -- filename completion for readline. */ |
2 | ||
cb41b9e7 | 3 | /* Copyright (C) 1987-2017 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 | ||
775e241e TT |
201 | #if defined (COLOR_SUPPORT) |
202 | /* Non-zero means to use colors to indicate file type when listing possible | |
203 | completions. The colors used are taken from $LS_COLORS, if set. */ | |
204 | int _rl_colored_stats = 0; | |
205 | ||
206 | /* Non-zero means to use a color (currently magenta) to indicate the common | |
207 | prefix of a set of possible word completions. */ | |
208 | int _rl_colored_completion_prefix = 0; | |
209 | #endif | |
210 | ||
cc88a640 JK |
211 | /* If non-zero, when completing in the middle of a word, don't insert |
212 | characters from the match that match characters following point in | |
213 | the word. This means, for instance, completing when the cursor is | |
214 | after the `e' in `Makefile' won't result in `Makefilefile'. */ | |
215 | int _rl_skip_completed_text = 0; | |
216 | ||
217 | /* If non-zero, menu completion displays the common prefix first in the | |
218 | cycle of possible completions instead of the last. */ | |
219 | int _rl_menu_complete_prefix_first = 0; | |
220 | ||
cb41b9e7 TT |
221 | /* Global variables available to applications using readline. */ |
222 | ||
223 | #if defined (VISIBLE_STATS) | |
224 | /* Non-zero means add an additional character to each filename displayed | |
225 | during listing completion iff rl_filename_completion_desired which helps | |
226 | to indicate the type of file being listed. */ | |
227 | int rl_visible_stats = 0; | |
228 | #endif /* VISIBLE_STATS */ | |
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 | 424 | int |
cb41b9e7 | 425 | rl_complete (int ignore, int invoking_key) |
d60d9f65 | 426 | { |
cc88a640 JK |
427 | rl_completion_invoking_key = invoking_key; |
428 | ||
d60d9f65 | 429 | if (rl_inhibit_completion) |
9255ee31 | 430 | return (_rl_insert_char (ignore, invoking_key)); |
d60d9f65 SS |
431 | else if (rl_last_func == rl_complete && !completion_changed_buffer) |
432 | return (rl_complete_internal ('?')); | |
433 | else if (_rl_complete_show_all) | |
434 | return (rl_complete_internal ('!')); | |
5bdf8622 DJ |
435 | else if (_rl_complete_show_unmodified) |
436 | return (rl_complete_internal ('@')); | |
d60d9f65 SS |
437 | else |
438 | return (rl_complete_internal (TAB)); | |
439 | } | |
440 | ||
441 | /* List the possible completions. See description of rl_complete (). */ | |
442 | int | |
cb41b9e7 | 443 | rl_possible_completions (int ignore, int invoking_key) |
d60d9f65 | 444 | { |
cc88a640 | 445 | rl_completion_invoking_key = invoking_key; |
d60d9f65 SS |
446 | return (rl_complete_internal ('?')); |
447 | } | |
448 | ||
449 | int | |
cb41b9e7 | 450 | rl_insert_completions (int ignore, int invoking_key) |
d60d9f65 | 451 | { |
cc88a640 | 452 | rl_completion_invoking_key = invoking_key; |
d60d9f65 SS |
453 | return (rl_complete_internal ('*')); |
454 | } | |
455 | ||
9255ee31 EZ |
456 | /* Return the correct value to pass to rl_complete_internal performing |
457 | the same tests as rl_complete. This allows consecutive calls to an | |
458 | application's completion function to list possible completions and for | |
459 | an application-specific completion function to honor the | |
460 | show-all-if-ambiguous readline variable. */ | |
461 | int | |
cb41b9e7 | 462 | rl_completion_mode (rl_command_func_t *cfunc) |
9255ee31 EZ |
463 | { |
464 | if (rl_last_func == cfunc && !completion_changed_buffer) | |
465 | return '?'; | |
466 | else if (_rl_complete_show_all) | |
467 | return '!'; | |
5bdf8622 DJ |
468 | else if (_rl_complete_show_unmodified) |
469 | return '@'; | |
9255ee31 EZ |
470 | else |
471 | return TAB; | |
472 | } | |
473 | ||
d60d9f65 SS |
474 | /************************************/ |
475 | /* */ | |
476 | /* Completion utility functions */ | |
477 | /* */ | |
478 | /************************************/ | |
479 | ||
cc88a640 JK |
480 | /* Reset readline state on a signal or other event. */ |
481 | void | |
cb41b9e7 | 482 | _rl_reset_completion_state (void) |
cc88a640 JK |
483 | { |
484 | rl_completion_found_quote = 0; | |
485 | rl_completion_quote_character = 0; | |
486 | } | |
487 | ||
775e241e | 488 | static void |
cb41b9e7 | 489 | _rl_complete_sigcleanup (int sig, void *ptr) |
775e241e TT |
490 | { |
491 | if (sig == SIGINT) /* XXX - for now */ | |
492 | { | |
493 | _rl_free_match_list ((char **)ptr); | |
494 | _rl_complete_display_matches_interrupt = 1; | |
495 | } | |
496 | } | |
497 | ||
9255ee31 EZ |
498 | /* Set default values for readline word completion. These are the variables |
499 | that application completion functions can change or inspect. */ | |
500 | static void | |
cb41b9e7 | 501 | set_completion_defaults (int what_to_do) |
d60d9f65 | 502 | { |
9255ee31 EZ |
503 | /* Only the completion entry function can change these. */ |
504 | rl_filename_completion_desired = 0; | |
505 | rl_filename_quoting_desired = 1; | |
506 | rl_completion_type = what_to_do; | |
5bdf8622 | 507 | rl_completion_suppress_append = rl_completion_suppress_quote = 0; |
cc88a640 | 508 | rl_completion_append_character = ' '; |
d60d9f65 | 509 | |
9255ee31 EZ |
510 | /* The completion entry function may optionally change this. */ |
511 | rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs; | |
775e241e TT |
512 | |
513 | /* Reset private state. */ | |
514 | _rl_complete_display_matches_interrupt = 0; | |
d60d9f65 SS |
515 | } |
516 | ||
517 | /* The user must press "y" or "n". Non-zero return means "y" pressed. */ | |
518 | static int | |
cb41b9e7 | 519 | get_y_or_n (int for_pager) |
d60d9f65 SS |
520 | { |
521 | int c; | |
522 | ||
cc88a640 JK |
523 | /* For now, disable pager in callback mode, until we later convert to state |
524 | driven functions. Have to wait until next major version to add new | |
525 | state definition, since it will change value of RL_STATE_DONE. */ | |
526 | #if defined (READLINE_CALLBACKS) | |
527 | if (RL_ISSTATE (RL_STATE_CALLBACK)) | |
528 | return 1; | |
cc88a640 JK |
529 | #endif |
530 | ||
d60d9f65 SS |
531 | for (;;) |
532 | { | |
9255ee31 | 533 | RL_SETSTATE(RL_STATE_MOREINPUT); |
d60d9f65 | 534 | c = rl_read_key (); |
9255ee31 EZ |
535 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
536 | ||
d60d9f65 SS |
537 | if (c == 'y' || c == 'Y' || c == ' ') |
538 | return (1); | |
539 | if (c == 'n' || c == 'N' || c == RUBOUT) | |
540 | return (0); | |
cc88a640 | 541 | if (c == ABORT_CHAR || c < 0) |
d60d9f65 | 542 | _rl_abort_internal (); |
9255ee31 EZ |
543 | if (for_pager && (c == NEWLINE || c == RETURN)) |
544 | return (2); | |
545 | if (for_pager && (c == 'q' || c == 'Q')) | |
546 | return (0); | |
547 | rl_ding (); | |
d60d9f65 SS |
548 | } |
549 | } | |
550 | ||
9255ee31 | 551 | static int |
cb41b9e7 | 552 | _rl_internal_pager (int lines) |
9255ee31 EZ |
553 | { |
554 | int i; | |
555 | ||
556 | fprintf (rl_outstream, "--More--"); | |
557 | fflush (rl_outstream); | |
558 | i = get_y_or_n (1); | |
559 | _rl_erase_entire_line (); | |
560 | if (i == 0) | |
561 | return -1; | |
562 | else if (i == 2) | |
563 | return (lines - 1); | |
564 | else | |
565 | return 0; | |
566 | } | |
567 | ||
5bdf8622 | 568 | static int |
cb41b9e7 | 569 | path_isdir (const char *filename) |
5bdf8622 DJ |
570 | { |
571 | struct stat finfo; | |
572 | ||
573 | return (stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode)); | |
574 | } | |
575 | ||
d60d9f65 SS |
576 | #if defined (VISIBLE_STATS) |
577 | /* Return the character which best describes FILENAME. | |
578 | `@' for symbolic links | |
579 | `/' for directories | |
580 | `*' for executables | |
581 | `=' for sockets | |
582 | `|' for FIFOs | |
583 | `%' for character special devices | |
584 | `#' for block special devices */ | |
585 | static int | |
cb41b9e7 | 586 | stat_char (char *filename) |
d60d9f65 SS |
587 | { |
588 | struct stat finfo; | |
589 | int character, r; | |
775e241e TT |
590 | char *f; |
591 | const char *fn; | |
d60d9f65 | 592 | |
cc88a640 JK |
593 | /* Short-circuit a //server on cygwin, since that will always behave as |
594 | a directory. */ | |
595 | #if __CYGWIN__ | |
596 | if (filename[0] == '/' && filename[1] == '/' && strchr (filename+2, '/') == 0) | |
597 | return '/'; | |
598 | #endif | |
599 | ||
775e241e TT |
600 | f = 0; |
601 | if (rl_filename_stat_hook) | |
602 | { | |
603 | f = savestring (filename); | |
604 | (*rl_filename_stat_hook) (&f); | |
605 | fn = f; | |
606 | } | |
607 | else | |
608 | fn = filename; | |
609 | ||
d60d9f65 | 610 | #if defined (HAVE_LSTAT) && defined (S_ISLNK) |
775e241e | 611 | r = lstat (fn, &finfo); |
d60d9f65 | 612 | #else |
775e241e | 613 | r = stat (fn, &finfo); |
d60d9f65 SS |
614 | #endif |
615 | ||
616 | if (r == -1) | |
cb41b9e7 TT |
617 | { |
618 | xfree (f); | |
619 | return (0); | |
620 | } | |
d60d9f65 SS |
621 | |
622 | character = 0; | |
623 | if (S_ISDIR (finfo.st_mode)) | |
624 | character = '/'; | |
625 | #if defined (S_ISCHR) | |
626 | else if (S_ISCHR (finfo.st_mode)) | |
627 | character = '%'; | |
628 | #endif /* S_ISCHR */ | |
629 | #if defined (S_ISBLK) | |
630 | else if (S_ISBLK (finfo.st_mode)) | |
631 | character = '#'; | |
632 | #endif /* S_ISBLK */ | |
633 | #if defined (S_ISLNK) | |
634 | else if (S_ISLNK (finfo.st_mode)) | |
635 | character = '@'; | |
636 | #endif /* S_ISLNK */ | |
637 | #if defined (S_ISSOCK) | |
638 | else if (S_ISSOCK (finfo.st_mode)) | |
639 | character = '='; | |
640 | #endif /* S_ISSOCK */ | |
641 | #if defined (S_ISFIFO) | |
642 | else if (S_ISFIFO (finfo.st_mode)) | |
643 | character = '|'; | |
644 | #endif | |
645 | else if (S_ISREG (finfo.st_mode)) | |
646 | { | |
05942d8a | 647 | #if defined (_WIN32) && !defined (__CYGWIN__) |
775e241e TT |
648 | char *ext; |
649 | ||
650 | /* Windows doesn't do access and X_OK; check file extension instead */ | |
651 | ext = strrchr (fn, '.'); | |
652 | if (ext && (_rl_stricmp (ext, ".exe") == 0 || | |
653 | _rl_stricmp (ext, ".cmd") == 0 || | |
654 | _rl_stricmp (ext, ".bat") == 0 || | |
655 | _rl_stricmp (ext, ".com") == 0)) | |
05942d8a EZ |
656 | character = '*'; |
657 | #else | |
d60d9f65 SS |
658 | if (access (filename, X_OK) == 0) |
659 | character = '*'; | |
05942d8a | 660 | #endif |
d60d9f65 | 661 | } |
775e241e TT |
662 | |
663 | xfree (f); | |
d60d9f65 SS |
664 | return (character); |
665 | } | |
666 | #endif /* VISIBLE_STATS */ | |
667 | ||
775e241e TT |
668 | #if defined (COLOR_SUPPORT) |
669 | static int | |
cb41b9e7 | 670 | colored_stat_start (const char *filename) |
775e241e TT |
671 | { |
672 | _rl_set_normal_color (); | |
673 | return (_rl_print_color_indicator (filename)); | |
674 | } | |
675 | ||
676 | static void | |
cb41b9e7 | 677 | colored_stat_end (void) |
775e241e TT |
678 | { |
679 | _rl_prep_non_filename_text (); | |
680 | _rl_put_indicator (&_rl_color_indicator[C_CLR_TO_EOL]); | |
681 | } | |
682 | ||
683 | static int | |
cb41b9e7 | 684 | colored_prefix_start (void) |
775e241e TT |
685 | { |
686 | _rl_set_normal_color (); | |
687 | return (_rl_print_prefix_color ()); | |
688 | } | |
689 | ||
690 | static void | |
cb41b9e7 | 691 | colored_prefix_end (void) |
775e241e TT |
692 | { |
693 | colored_stat_end (); /* for now */ | |
694 | } | |
695 | #endif | |
696 | ||
d60d9f65 SS |
697 | /* Return the portion of PATHNAME that should be output when listing |
698 | possible completions. If we are hacking filename completion, we | |
699 | are only interested in the basename, the portion following the | |
9255ee31 EZ |
700 | final slash. Otherwise, we return what we were passed. Since |
701 | printing empty strings is not very informative, if we're doing | |
702 | filename completion, and the basename is the empty string, we look | |
703 | for the previous slash and return the portion following that. If | |
704 | there's no previous slash, we just return what we were passed. */ | |
d60d9f65 | 705 | static char * |
cb41b9e7 | 706 | printable_part (char *pathname) |
d60d9f65 | 707 | { |
9255ee31 EZ |
708 | char *temp, *x; |
709 | ||
710 | if (rl_filename_completion_desired == 0) /* don't need to do anything */ | |
711 | return (pathname); | |
d60d9f65 | 712 | |
9255ee31 | 713 | temp = strrchr (pathname, '/'); |
7f3c5ec8 | 714 | #if defined (__MSDOS__) || defined (_WIN32) |
9255ee31 | 715 | if (temp == 0 && ISALPHA ((unsigned char)pathname[0]) && pathname[1] == ':') |
1b17e766 EZ |
716 | temp = pathname + 1; |
717 | #endif | |
9255ee31 EZ |
718 | |
719 | if (temp == 0 || *temp == '\0') | |
720 | return (pathname); | |
775e241e TT |
721 | else if (temp[1] == 0 && temp == pathname) |
722 | return (pathname); | |
9255ee31 EZ |
723 | /* If the basename is NULL, we might have a pathname like '/usr/src/'. |
724 | Look for a previous slash and, if one is found, return the portion | |
725 | following that slash. If there's no previous slash, just return the | |
726 | pathname we were passed. */ | |
727 | else if (temp[1] == '\0') | |
728 | { | |
729 | for (x = temp - 1; x > pathname; x--) | |
730 | if (*x == '/') | |
731 | break; | |
732 | return ((*x == '/') ? x + 1 : pathname); | |
733 | } | |
734 | else | |
735 | return ++temp; | |
d60d9f65 SS |
736 | } |
737 | ||
5bdf8622 DJ |
738 | /* Compute width of STRING when displayed on screen by print_filename */ |
739 | static int | |
cb41b9e7 | 740 | fnwidth (const char *string) |
5bdf8622 DJ |
741 | { |
742 | int width, pos; | |
743 | #if defined (HANDLE_MULTIBYTE) | |
744 | mbstate_t ps; | |
745 | int left, w; | |
746 | size_t clen; | |
747 | wchar_t wc; | |
748 | ||
749 | left = strlen (string) + 1; | |
750 | memset (&ps, 0, sizeof (mbstate_t)); | |
751 | #endif | |
752 | ||
753 | width = pos = 0; | |
754 | while (string[pos]) | |
755 | { | |
cc88a640 | 756 | if (CTRL_CHAR (string[pos]) || string[pos] == RUBOUT) |
5bdf8622 DJ |
757 | { |
758 | width += 2; | |
759 | pos++; | |
760 | } | |
761 | else | |
762 | { | |
763 | #if defined (HANDLE_MULTIBYTE) | |
764 | clen = mbrtowc (&wc, string + pos, left - pos, &ps); | |
765 | if (MB_INVALIDCH (clen)) | |
766 | { | |
767 | width++; | |
768 | pos++; | |
769 | memset (&ps, 0, sizeof (mbstate_t)); | |
770 | } | |
771 | else if (MB_NULLWCH (clen)) | |
772 | break; | |
773 | else | |
774 | { | |
775 | pos += clen; | |
775e241e | 776 | w = WCWIDTH (wc); |
5bdf8622 DJ |
777 | width += (w >= 0) ? w : 1; |
778 | } | |
779 | #else | |
780 | width++; | |
781 | pos++; | |
782 | #endif | |
783 | } | |
784 | } | |
785 | ||
786 | return width; | |
787 | } | |
788 | ||
cc88a640 JK |
789 | #define ELLIPSIS_LEN 3 |
790 | ||
5bdf8622 | 791 | static int |
cb41b9e7 | 792 | fnprint (const char *to_print, int prefix_bytes, const char *real_pathname) |
5bdf8622 | 793 | { |
cc88a640 | 794 | int printed_len, w; |
5bdf8622 | 795 | const char *s; |
775e241e | 796 | int common_prefix_len, print_len; |
5bdf8622 DJ |
797 | #if defined (HANDLE_MULTIBYTE) |
798 | mbstate_t ps; | |
799 | const char *end; | |
800 | size_t tlen; | |
cc88a640 | 801 | int width; |
5bdf8622 DJ |
802 | wchar_t wc; |
803 | ||
775e241e TT |
804 | print_len = strlen (to_print); |
805 | end = to_print + print_len + 1; | |
5bdf8622 | 806 | memset (&ps, 0, sizeof (mbstate_t)); |
cb41b9e7 TT |
807 | #else |
808 | print_len = strlen (to_print); | |
5bdf8622 DJ |
809 | #endif |
810 | ||
775e241e | 811 | printed_len = common_prefix_len = 0; |
cc88a640 JK |
812 | |
813 | /* Don't print only the ellipsis if the common prefix is one of the | |
775e241e TT |
814 | possible completions. Only cut off prefix_bytes if we're going to be |
815 | printing the ellipsis, which takes precedence over coloring the | |
816 | completion prefix (see print_filename() below). */ | |
817 | if (_rl_completion_prefix_display_length > 0 && prefix_bytes >= print_len) | |
cc88a640 JK |
818 | prefix_bytes = 0; |
819 | ||
775e241e TT |
820 | #if defined (COLOR_SUPPORT) |
821 | if (_rl_colored_stats && (prefix_bytes == 0 || _rl_colored_completion_prefix <= 0)) | |
822 | colored_stat_start (real_pathname); | |
823 | #endif | |
824 | ||
825 | if (prefix_bytes && _rl_completion_prefix_display_length > 0) | |
cc88a640 JK |
826 | { |
827 | char ellipsis; | |
828 | ||
829 | ellipsis = (to_print[prefix_bytes] == '.') ? '_' : '.'; | |
830 | for (w = 0; w < ELLIPSIS_LEN; w++) | |
831 | putc (ellipsis, rl_outstream); | |
832 | printed_len = ELLIPSIS_LEN; | |
833 | } | |
775e241e TT |
834 | #if defined (COLOR_SUPPORT) |
835 | else if (prefix_bytes && _rl_colored_completion_prefix > 0) | |
836 | { | |
837 | common_prefix_len = prefix_bytes; | |
838 | prefix_bytes = 0; | |
839 | /* XXX - print color indicator start here */ | |
840 | colored_prefix_start (); | |
841 | } | |
842 | #endif | |
cc88a640 JK |
843 | |
844 | s = to_print + prefix_bytes; | |
5bdf8622 DJ |
845 | while (*s) |
846 | { | |
847 | if (CTRL_CHAR (*s)) | |
848 | { | |
849 | putc ('^', rl_outstream); | |
850 | putc (UNCTRL (*s), rl_outstream); | |
851 | printed_len += 2; | |
852 | s++; | |
853 | #if defined (HANDLE_MULTIBYTE) | |
854 | memset (&ps, 0, sizeof (mbstate_t)); | |
855 | #endif | |
856 | } | |
857 | else if (*s == RUBOUT) | |
858 | { | |
859 | putc ('^', rl_outstream); | |
860 | putc ('?', rl_outstream); | |
861 | printed_len += 2; | |
862 | s++; | |
863 | #if defined (HANDLE_MULTIBYTE) | |
864 | memset (&ps, 0, sizeof (mbstate_t)); | |
865 | #endif | |
866 | } | |
867 | else | |
868 | { | |
869 | #if defined (HANDLE_MULTIBYTE) | |
870 | tlen = mbrtowc (&wc, s, end - s, &ps); | |
871 | if (MB_INVALIDCH (tlen)) | |
872 | { | |
873 | tlen = 1; | |
874 | width = 1; | |
875 | memset (&ps, 0, sizeof (mbstate_t)); | |
876 | } | |
877 | else if (MB_NULLWCH (tlen)) | |
878 | break; | |
879 | else | |
880 | { | |
775e241e | 881 | w = WCWIDTH (wc); |
5bdf8622 DJ |
882 | width = (w >= 0) ? w : 1; |
883 | } | |
884 | fwrite (s, 1, tlen, rl_outstream); | |
885 | s += tlen; | |
886 | printed_len += width; | |
887 | #else | |
888 | putc (*s, rl_outstream); | |
889 | s++; | |
890 | printed_len++; | |
891 | #endif | |
892 | } | |
775e241e TT |
893 | if (common_prefix_len > 0 && (s - to_print) >= common_prefix_len) |
894 | { | |
895 | #if defined (COLOR_SUPPORT) | |
896 | /* printed bytes = s - to_print */ | |
897 | /* printed bytes should never be > but check for paranoia's sake */ | |
898 | colored_prefix_end (); | |
899 | if (_rl_colored_stats) | |
900 | colored_stat_start (real_pathname); /* XXX - experiment */ | |
901 | #endif | |
902 | common_prefix_len = 0; | |
903 | } | |
5bdf8622 DJ |
904 | } |
905 | ||
775e241e TT |
906 | #if defined (COLOR_SUPPORT) |
907 | /* XXX - unconditional for now */ | |
908 | if (_rl_colored_stats) | |
909 | colored_stat_end (); | |
910 | #endif | |
911 | ||
5bdf8622 DJ |
912 | return printed_len; |
913 | } | |
914 | ||
d60d9f65 SS |
915 | /* Output TO_PRINT to rl_outstream. If VISIBLE_STATS is defined and we |
916 | are using it, check for and output a single character for `special' | |
917 | filenames. Return the number of characters we output. */ | |
918 | ||
d60d9f65 | 919 | static int |
cb41b9e7 | 920 | print_filename (char *to_print, char *full_pathname, int prefix_bytes) |
d60d9f65 | 921 | { |
5bdf8622 DJ |
922 | int printed_len, extension_char, slen, tlen; |
923 | char *s, c, *new_full_pathname, *dn; | |
d60d9f65 | 924 | |
5bdf8622 | 925 | extension_char = 0; |
775e241e TT |
926 | #if defined (COLOR_SUPPORT) |
927 | /* Defer printing if we want to prefix with a color indicator */ | |
928 | if (_rl_colored_stats == 0 || rl_filename_completion_desired == 0) | |
929 | #endif | |
930 | printed_len = fnprint (to_print, prefix_bytes, to_print); | |
d60d9f65 | 931 | |
775e241e | 932 | if (rl_filename_completion_desired && ( |
5bdf8622 | 933 | #if defined (VISIBLE_STATS) |
775e241e TT |
934 | rl_visible_stats || |
935 | #endif | |
936 | #if defined (COLOR_SUPPORT) | |
937 | _rl_colored_stats || | |
4a11f206 | 938 | #endif |
775e241e | 939 | _rl_complete_mark_directories)) |
d60d9f65 SS |
940 | { |
941 | /* If to_print != full_pathname, to_print is the basename of the | |
942 | path passed. In this case, we try to expand the directory | |
943 | name before checking for the stat character. */ | |
944 | if (to_print != full_pathname) | |
945 | { | |
946 | /* Terminate the directory name. */ | |
947 | c = to_print[-1]; | |
948 | to_print[-1] = '\0'; | |
949 | ||
1b17e766 EZ |
950 | /* If setting the last slash in full_pathname to a NUL results in |
951 | full_pathname being the empty string, we are trying to complete | |
952 | files in the root directory. If we pass a null string to the | |
953 | bash directory completion hook, for example, it will expand it | |
954 | to the current directory. We just want the `/'. */ | |
5bdf8622 DJ |
955 | if (full_pathname == 0 || *full_pathname == 0) |
956 | dn = "/"; | |
957 | else if (full_pathname[0] != '/') | |
958 | dn = full_pathname; | |
959 | else if (full_pathname[1] == 0) | |
960 | dn = "//"; /* restore trailing slash to `//' */ | |
961 | else if (full_pathname[1] == '/' && full_pathname[2] == 0) | |
962 | dn = "/"; /* don't turn /// into // */ | |
963 | else | |
964 | dn = full_pathname; | |
965 | s = tilde_expand (dn); | |
d60d9f65 SS |
966 | if (rl_directory_completion_hook) |
967 | (*rl_directory_completion_hook) (&s); | |
968 | ||
969 | slen = strlen (s); | |
970 | tlen = strlen (to_print); | |
9255ee31 | 971 | new_full_pathname = (char *)xmalloc (slen + tlen + 2); |
d60d9f65 | 972 | strcpy (new_full_pathname, s); |
5bdf8622 DJ |
973 | if (s[slen - 1] == '/') |
974 | slen--; | |
975 | else | |
976 | new_full_pathname[slen] = '/'; | |
d60d9f65 SS |
977 | strcpy (new_full_pathname + slen + 1, to_print); |
978 | ||
5bdf8622 DJ |
979 | #if defined (VISIBLE_STATS) |
980 | if (rl_visible_stats) | |
981 | extension_char = stat_char (new_full_pathname); | |
982 | else | |
983 | #endif | |
775e241e TT |
984 | if (_rl_complete_mark_directories) |
985 | { | |
986 | dn = 0; | |
987 | if (rl_directory_completion_hook == 0 && rl_filename_stat_hook) | |
988 | { | |
989 | dn = savestring (new_full_pathname); | |
990 | (*rl_filename_stat_hook) (&dn); | |
991 | xfree (new_full_pathname); | |
992 | new_full_pathname = dn; | |
993 | } | |
994 | if (path_isdir (new_full_pathname)) | |
995 | extension_char = '/'; | |
996 | } | |
997 | ||
998 | /* Move colored-stats code inside fnprint() */ | |
999 | #if defined (COLOR_SUPPORT) | |
1000 | if (_rl_colored_stats) | |
1001 | printed_len = fnprint (to_print, prefix_bytes, new_full_pathname); | |
1002 | #endif | |
d60d9f65 | 1003 | |
cc88a640 | 1004 | xfree (new_full_pathname); |
d60d9f65 SS |
1005 | to_print[-1] = c; |
1006 | } | |
1007 | else | |
1008 | { | |
1009 | s = tilde_expand (full_pathname); | |
5bdf8622 DJ |
1010 | #if defined (VISIBLE_STATS) |
1011 | if (rl_visible_stats) | |
1012 | extension_char = stat_char (s); | |
1013 | else | |
1014 | #endif | |
775e241e | 1015 | if (_rl_complete_mark_directories && path_isdir (s)) |
5bdf8622 | 1016 | extension_char = '/'; |
775e241e TT |
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, s); | |
1022 | #endif | |
d60d9f65 SS |
1023 | } |
1024 | ||
cc88a640 | 1025 | xfree (s); |
d60d9f65 SS |
1026 | if (extension_char) |
1027 | { | |
1028 | putc (extension_char, rl_outstream); | |
1029 | printed_len++; | |
1030 | } | |
1031 | } | |
5bdf8622 | 1032 | |
d60d9f65 SS |
1033 | return printed_len; |
1034 | } | |
1035 | ||
1036 | static char * | |
cb41b9e7 | 1037 | rl_quote_filename (char *s, int rtype, char *qcp) |
d60d9f65 SS |
1038 | { |
1039 | char *r; | |
1040 | ||
9255ee31 | 1041 | r = (char *)xmalloc (strlen (s) + 2); |
d60d9f65 SS |
1042 | *r = *rl_completer_quote_characters; |
1043 | strcpy (r + 1, s); | |
1044 | if (qcp) | |
1045 | *qcp = *rl_completer_quote_characters; | |
1046 | return r; | |
1047 | } | |
1048 | ||
1049 | /* Find the bounds of the current word for completion purposes, and leave | |
1050 | rl_point set to the end of the word. This function skips quoted | |
1051 | substrings (characters between matched pairs of characters in | |
9255ee31 | 1052 | rl_completer_quote_characters). First we try to find an unclosed |
d60d9f65 SS |
1053 | quoted substring on which to do matching. If one is not found, we use |
1054 | the word break characters to find the boundaries of the current word. | |
1055 | We call an application-specific function to decide whether or not a | |
1056 | particular word break character is quoted; if that function returns a | |
1057 | non-zero result, the character does not break a word. This function | |
1058 | returns the opening quote character if we found an unclosed quoted | |
1059 | substring, '\0' otherwise. FP, if non-null, is set to a value saying | |
1060 | which (shell-like) quote characters we found (single quote, double | |
1061 | quote, or backslash) anywhere in the string. DP, if non-null, is set to | |
1062 | the value of the delimiter character that caused a word break. */ | |
1063 | ||
9255ee31 | 1064 | char |
cb41b9e7 | 1065 | _rl_find_completion_word (int *fp, int *dp) |
d60d9f65 SS |
1066 | { |
1067 | int scan, end, found_quote, delimiter, pass_next, isbrk; | |
5bdf8622 | 1068 | char quote_char, *brkchars; |
d60d9f65 SS |
1069 | |
1070 | end = rl_point; | |
1071 | found_quote = delimiter = 0; | |
1072 | quote_char = '\0'; | |
1073 | ||
5bdf8622 DJ |
1074 | brkchars = 0; |
1075 | if (rl_completion_word_break_hook) | |
1076 | brkchars = (*rl_completion_word_break_hook) (); | |
1077 | if (brkchars == 0) | |
1078 | brkchars = rl_completer_word_break_characters; | |
1079 | ||
d60d9f65 SS |
1080 | if (rl_completer_quote_characters) |
1081 | { | |
1082 | /* We have a list of characters which can be used in pairs to | |
1083 | quote substrings for the completer. Try to find the start | |
1084 | of an unclosed quoted substring. */ | |
1085 | /* FOUND_QUOTE is set so we know what kind of quotes we found. */ | |
5bdf8622 | 1086 | for (scan = pass_next = 0; scan < end; scan = MB_NEXTCHAR (rl_line_buffer, scan, 1, MB_FIND_ANY)) |
d60d9f65 SS |
1087 | { |
1088 | if (pass_next) | |
1089 | { | |
1090 | pass_next = 0; | |
1091 | continue; | |
1092 | } | |
1093 | ||
9255ee31 EZ |
1094 | /* Shell-like semantics for single quotes -- don't allow backslash |
1095 | to quote anything in single quotes, especially not the closing | |
1096 | quote. If you don't like this, take out the check on the value | |
1097 | of quote_char. */ | |
1098 | if (quote_char != '\'' && rl_line_buffer[scan] == '\\') | |
d60d9f65 SS |
1099 | { |
1100 | pass_next = 1; | |
1101 | found_quote |= RL_QF_BACKSLASH; | |
1102 | continue; | |
1103 | } | |
1104 | ||
1105 | if (quote_char != '\0') | |
1106 | { | |
1107 | /* Ignore everything until the matching close quote char. */ | |
1108 | if (rl_line_buffer[scan] == quote_char) | |
1109 | { | |
1110 | /* Found matching close. Abandon this substring. */ | |
1111 | quote_char = '\0'; | |
1112 | rl_point = end; | |
1113 | } | |
1114 | } | |
1115 | else if (strchr (rl_completer_quote_characters, rl_line_buffer[scan])) | |
1116 | { | |
1117 | /* Found start of a quoted substring. */ | |
1118 | quote_char = rl_line_buffer[scan]; | |
1119 | rl_point = scan + 1; | |
1120 | /* Shell-like quoting conventions. */ | |
1121 | if (quote_char == '\'') | |
1122 | found_quote |= RL_QF_SINGLE_QUOTE; | |
1123 | else if (quote_char == '"') | |
1124 | found_quote |= RL_QF_DOUBLE_QUOTE; | |
9255ee31 EZ |
1125 | else |
1126 | found_quote |= RL_QF_OTHER_QUOTE; | |
d60d9f65 SS |
1127 | } |
1128 | } | |
1129 | } | |
1130 | ||
1131 | if (rl_point == end && quote_char == '\0') | |
1132 | { | |
1133 | /* We didn't find an unclosed quoted substring upon which to do | |
1134 | completion, so use the word break characters to find the | |
1135 | substring on which to complete. */ | |
5bdf8622 | 1136 | while (rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY)) |
d60d9f65 SS |
1137 | { |
1138 | scan = rl_line_buffer[rl_point]; | |
1139 | ||
5bdf8622 | 1140 | if (strchr (brkchars, scan) == 0) |
d60d9f65 SS |
1141 | continue; |
1142 | ||
1143 | /* Call the application-specific function to tell us whether | |
1144 | this word break character is quoted and should be skipped. */ | |
1145 | if (rl_char_is_quoted_p && found_quote && | |
1146 | (*rl_char_is_quoted_p) (rl_line_buffer, rl_point)) | |
1147 | continue; | |
1148 | ||
1149 | /* Convoluted code, but it avoids an n^2 algorithm with calls | |
1150 | to char_is_quoted. */ | |
1151 | break; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | /* If we are at an unquoted word break, then advance past it. */ | |
1156 | scan = rl_line_buffer[rl_point]; | |
1157 | ||
1158 | /* If there is an application-specific function to say whether or not | |
1159 | a character is quoted and we found a quote character, let that | |
1160 | function decide whether or not a character is a word break, even | |
1b17e766 EZ |
1161 | if it is found in rl_completer_word_break_characters. Don't bother |
1162 | if we're at the end of the line, though. */ | |
1163 | if (scan) | |
d60d9f65 | 1164 | { |
1b17e766 EZ |
1165 | if (rl_char_is_quoted_p) |
1166 | isbrk = (found_quote == 0 || | |
1167 | (*rl_char_is_quoted_p) (rl_line_buffer, rl_point) == 0) && | |
5bdf8622 | 1168 | strchr (brkchars, scan) != 0; |
1b17e766 | 1169 | else |
5bdf8622 | 1170 | isbrk = strchr (brkchars, scan) != 0; |
1b17e766 EZ |
1171 | |
1172 | if (isbrk) | |
1173 | { | |
1174 | /* If the character that caused the word break was a quoting | |
1175 | character, then remember it as the delimiter. */ | |
1176 | if (rl_basic_quote_characters && | |
1177 | strchr (rl_basic_quote_characters, scan) && | |
1178 | (end - rl_point) > 1) | |
1179 | delimiter = scan; | |
1180 | ||
1181 | /* If the character isn't needed to determine something special | |
1182 | about what kind of completion to perform, then advance past it. */ | |
1183 | if (rl_special_prefixes == 0 || strchr (rl_special_prefixes, scan) == 0) | |
1184 | rl_point++; | |
1185 | } | |
d60d9f65 SS |
1186 | } |
1187 | ||
1188 | if (fp) | |
1189 | *fp = found_quote; | |
1190 | if (dp) | |
1191 | *dp = delimiter; | |
1192 | ||
1193 | return (quote_char); | |
1194 | } | |
1195 | ||
1196 | static char ** | |
cb41b9e7 | 1197 | gen_completion_matches (char *text, int start, int end, rl_compentry_func_t *our_func, int found_quote, int quote_char) |
d60d9f65 | 1198 | { |
cc88a640 | 1199 | char **matches; |
d60d9f65 | 1200 | |
5bdf8622 DJ |
1201 | rl_completion_found_quote = found_quote; |
1202 | rl_completion_quote_character = quote_char; | |
1203 | ||
d60d9f65 SS |
1204 | /* If the user wants to TRY to complete, but then wants to give |
1205 | up and use the default completion function, they set the | |
1206 | variable rl_attempted_completion_function. */ | |
1207 | if (rl_attempted_completion_function) | |
1208 | { | |
1209 | matches = (*rl_attempted_completion_function) (text, start, end); | |
775e241e TT |
1210 | if (RL_SIG_RECEIVED()) |
1211 | { | |
1212 | _rl_free_match_list (matches); | |
1213 | matches = 0; | |
1214 | RL_CHECK_SIGNALS (); | |
1215 | } | |
d60d9f65 SS |
1216 | |
1217 | if (matches || rl_attempted_completion_over) | |
1218 | { | |
1219 | rl_attempted_completion_over = 0; | |
1220 | return (matches); | |
1221 | } | |
1222 | } | |
1223 | ||
cc88a640 | 1224 | /* XXX -- filename dequoting moved into rl_filename_completion_function */ |
d60d9f65 | 1225 | |
775e241e TT |
1226 | /* rl_completion_matches will check for signals as well to avoid a long |
1227 | delay while reading a directory. */ | |
9255ee31 | 1228 | matches = rl_completion_matches (text, our_func); |
775e241e TT |
1229 | if (RL_SIG_RECEIVED()) |
1230 | { | |
1231 | _rl_free_match_list (matches); | |
1232 | matches = 0; | |
1233 | RL_CHECK_SIGNALS (); | |
1234 | } | |
d60d9f65 SS |
1235 | return matches; |
1236 | } | |
1237 | ||
1238 | /* Filter out duplicates in MATCHES. This frees up the strings in | |
1239 | MATCHES. */ | |
1240 | static char ** | |
cb41b9e7 | 1241 | remove_duplicate_matches (char **matches) |
d60d9f65 SS |
1242 | { |
1243 | char *lowest_common; | |
1244 | int i, j, newlen; | |
1245 | char dead_slot; | |
1246 | char **temp_array; | |
1247 | ||
1248 | /* Sort the items. */ | |
1249 | for (i = 0; matches[i]; i++) | |
1250 | ; | |
1251 | ||
1252 | /* Sort the array without matches[0], since we need it to | |
1253 | stay in place no matter what. */ | |
cc88a640 | 1254 | if (i && rl_sort_completion_matches) |
1b17e766 | 1255 | qsort (matches+1, i-1, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); |
d60d9f65 SS |
1256 | |
1257 | /* Remember the lowest common denominator for it may be unique. */ | |
1258 | lowest_common = savestring (matches[0]); | |
1259 | ||
1260 | for (i = newlen = 0; matches[i + 1]; i++) | |
1261 | { | |
1262 | if (strcmp (matches[i], matches[i + 1]) == 0) | |
1263 | { | |
cc88a640 | 1264 | xfree (matches[i]); |
d60d9f65 SS |
1265 | matches[i] = (char *)&dead_slot; |
1266 | } | |
1267 | else | |
1268 | newlen++; | |
1269 | } | |
1270 | ||
1271 | /* We have marked all the dead slots with (char *)&dead_slot. | |
1272 | Copy all the non-dead entries into a new array. */ | |
1273 | temp_array = (char **)xmalloc ((3 + newlen) * sizeof (char *)); | |
1274 | for (i = j = 1; matches[i]; i++) | |
1275 | { | |
1276 | if (matches[i] != (char *)&dead_slot) | |
1277 | temp_array[j++] = matches[i]; | |
1278 | } | |
1279 | temp_array[j] = (char *)NULL; | |
1280 | ||
1281 | if (matches[0] != (char *)&dead_slot) | |
cc88a640 | 1282 | xfree (matches[0]); |
d60d9f65 SS |
1283 | |
1284 | /* Place the lowest common denominator back in [0]. */ | |
1285 | temp_array[0] = lowest_common; | |
1286 | ||
1287 | /* If there is one string left, and it is identical to the | |
1288 | lowest common denominator, then the LCD is the string to | |
1289 | insert. */ | |
1290 | if (j == 2 && strcmp (temp_array[0], temp_array[1]) == 0) | |
1291 | { | |
cc88a640 | 1292 | xfree (temp_array[1]); |
d60d9f65 SS |
1293 | temp_array[1] = (char *)NULL; |
1294 | } | |
1295 | return (temp_array); | |
1296 | } | |
1297 | ||
1298 | /* Find the common prefix of the list of matches, and put it into | |
1299 | matches[0]. */ | |
1300 | static int | |
cb41b9e7 | 1301 | compute_lcd_of_matches (char **match_list, int matches, const char *text) |
d60d9f65 SS |
1302 | { |
1303 | register int i, c1, c2, si; | |
1304 | int low; /* Count of max-matched characters. */ | |
775e241e | 1305 | int lx; |
5bdf8622 | 1306 | char *dtext; /* dequoted TEXT, if needed */ |
9255ee31 EZ |
1307 | #if defined (HANDLE_MULTIBYTE) |
1308 | int v; | |
775e241e | 1309 | size_t v1, v2; |
9255ee31 EZ |
1310 | mbstate_t ps1, ps2; |
1311 | wchar_t wc1, wc2; | |
1312 | #endif | |
d60d9f65 SS |
1313 | |
1314 | /* If only one match, just use that. Otherwise, compare each | |
1315 | member of the list with the next, finding out where they | |
1316 | stop matching. */ | |
1317 | if (matches == 1) | |
1318 | { | |
1319 | match_list[0] = match_list[1]; | |
1320 | match_list[1] = (char *)NULL; | |
1321 | return 1; | |
1322 | } | |
1323 | ||
1324 | for (i = 1, low = 100000; i < matches; i++) | |
1325 | { | |
9255ee31 EZ |
1326 | #if defined (HANDLE_MULTIBYTE) |
1327 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
1328 | { | |
1329 | memset (&ps1, 0, sizeof (mbstate_t)); | |
1330 | memset (&ps2, 0, sizeof (mbstate_t)); | |
1331 | } | |
1332 | #endif | |
d60d9f65 SS |
1333 | if (_rl_completion_case_fold) |
1334 | { | |
1335 | for (si = 0; | |
1336 | (c1 = _rl_to_lower(match_list[i][si])) && | |
1337 | (c2 = _rl_to_lower(match_list[i + 1][si])); | |
1338 | si++) | |
9255ee31 EZ |
1339 | #if defined (HANDLE_MULTIBYTE) |
1340 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
1341 | { | |
775e241e TT |
1342 | v1 = mbrtowc(&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1); |
1343 | v2 = mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2); | |
1344 | if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2)) | |
1345 | { | |
1346 | if (c1 != c2) /* do byte comparison */ | |
1347 | break; | |
1348 | continue; | |
1349 | } | |
9255ee31 EZ |
1350 | wc1 = towlower (wc1); |
1351 | wc2 = towlower (wc2); | |
1352 | if (wc1 != wc2) | |
1353 | break; | |
775e241e TT |
1354 | else if (v1 > 1) |
1355 | si += v1 - 1; | |
9255ee31 EZ |
1356 | } |
1357 | else | |
1358 | #endif | |
d60d9f65 SS |
1359 | if (c1 != c2) |
1360 | break; | |
1361 | } | |
1362 | else | |
1363 | { | |
1364 | for (si = 0; | |
1365 | (c1 = match_list[i][si]) && | |
1366 | (c2 = match_list[i + 1][si]); | |
1367 | si++) | |
9255ee31 EZ |
1368 | #if defined (HANDLE_MULTIBYTE) |
1369 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
1370 | { | |
cc88a640 JK |
1371 | mbstate_t ps_back; |
1372 | ps_back = ps1; | |
9255ee31 EZ |
1373 | if (!_rl_compare_chars (match_list[i], si, &ps1, match_list[i+1], si, &ps2)) |
1374 | break; | |
1375 | else if ((v = _rl_get_char_len (&match_list[i][si], &ps_back)) > 1) | |
1376 | si += v - 1; | |
1377 | } | |
1378 | else | |
1379 | #endif | |
d60d9f65 SS |
1380 | if (c1 != c2) |
1381 | break; | |
1382 | } | |
1383 | ||
1384 | if (low > si) | |
1385 | low = si; | |
1386 | } | |
1387 | ||
1388 | /* If there were multiple matches, but none matched up to even the | |
1389 | first character, and the user typed something, use that as the | |
1390 | value of matches[0]. */ | |
1391 | if (low == 0 && text && *text) | |
1392 | { | |
9255ee31 | 1393 | match_list[0] = (char *)xmalloc (strlen (text) + 1); |
d60d9f65 SS |
1394 | strcpy (match_list[0], text); |
1395 | } | |
1396 | else | |
1397 | { | |
9255ee31 EZ |
1398 | match_list[0] = (char *)xmalloc (low + 1); |
1399 | ||
1400 | /* XXX - this might need changes in the presence of multibyte chars */ | |
1401 | ||
1402 | /* If we are ignoring case, try to preserve the case of the string | |
1403 | the user typed in the face of multiple matches differing in case. */ | |
1404 | if (_rl_completion_case_fold) | |
1405 | { | |
5bdf8622 DJ |
1406 | /* We're making an assumption here: |
1407 | IF we're completing filenames AND | |
1408 | the application has defined a filename dequoting function AND | |
1409 | we found a quote character AND | |
1410 | the application has requested filename quoting | |
1411 | THEN | |
1412 | we assume that TEXT was dequoted before checking against | |
1413 | the file system and needs to be dequoted here before we | |
1414 | check against the list of matches | |
1415 | FI */ | |
1416 | dtext = (char *)NULL; | |
1417 | if (rl_filename_completion_desired && | |
1418 | rl_filename_dequoting_function && | |
1419 | rl_completion_found_quote && | |
1420 | rl_filename_quoting_desired) | |
1421 | { | |
1422 | dtext = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character); | |
1423 | text = dtext; | |
1424 | } | |
1425 | ||
9255ee31 | 1426 | /* sort the list to get consistent answers. */ |
cb41b9e7 TT |
1427 | if (rl_sort_completion_matches) |
1428 | qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare); | |
9255ee31 EZ |
1429 | |
1430 | si = strlen (text); | |
775e241e TT |
1431 | lx = (si <= low) ? si : low; /* check shorter of text and matches */ |
1432 | /* Try to preserve the case of what the user typed in the presence of | |
1433 | multiple matches: check each match for something that matches | |
1434 | what the user typed taking case into account; use it up to common | |
1435 | length of matches if one is found. If not, just use first match. */ | |
1436 | for (i = 1; i <= matches; i++) | |
1437 | if (strncmp (match_list[i], text, lx) == 0) | |
1438 | { | |
1439 | strncpy (match_list[0], match_list[i], low); | |
1440 | break; | |
1441 | } | |
1442 | /* no casematch, use first entry */ | |
1443 | if (i > matches) | |
1444 | strncpy (match_list[0], match_list[1], low); | |
5bdf8622 DJ |
1445 | |
1446 | FREE (dtext); | |
9255ee31 EZ |
1447 | } |
1448 | else | |
1449 | strncpy (match_list[0], match_list[1], low); | |
1450 | ||
d60d9f65 SS |
1451 | match_list[0][low] = '\0'; |
1452 | } | |
1453 | ||
1454 | return matches; | |
1455 | } | |
1456 | ||
1457 | static int | |
cb41b9e7 | 1458 | postprocess_matches (char ***matchesp, int matching_filenames) |
d60d9f65 SS |
1459 | { |
1460 | char *t, **matches, **temp_matches; | |
1461 | int nmatch, i; | |
1462 | ||
1463 | matches = *matchesp; | |
1464 | ||
9255ee31 EZ |
1465 | if (matches == 0) |
1466 | return 0; | |
1467 | ||
d60d9f65 | 1468 | /* It seems to me that in all the cases we handle we would like |
775e241e | 1469 | to ignore duplicate possibilities. Scan for the text to |
d60d9f65 SS |
1470 | insert being identical to the other completions. */ |
1471 | if (rl_ignore_completion_duplicates) | |
1472 | { | |
1473 | temp_matches = remove_duplicate_matches (matches); | |
cc88a640 | 1474 | xfree (matches); |
d60d9f65 SS |
1475 | matches = temp_matches; |
1476 | } | |
1477 | ||
1478 | /* If we are matching filenames, then here is our chance to | |
1479 | do clever processing by re-examining the list. Call the | |
1480 | ignore function with the array as a parameter. It can | |
1481 | munge the array, deleting matches as it desires. */ | |
1482 | if (rl_ignore_some_completions_function && matching_filenames) | |
1483 | { | |
1484 | for (nmatch = 1; matches[nmatch]; nmatch++) | |
1485 | ; | |
1486 | (void)(*rl_ignore_some_completions_function) (matches); | |
1487 | if (matches == 0 || matches[0] == 0) | |
1488 | { | |
1489 | FREE (matches); | |
d60d9f65 SS |
1490 | *matchesp = (char **)0; |
1491 | return 0; | |
1492 | } | |
1493 | else | |
1494 | { | |
1495 | /* If we removed some matches, recompute the common prefix. */ | |
1496 | for (i = 1; matches[i]; i++) | |
1497 | ; | |
1498 | if (i > 1 && i < nmatch) | |
1499 | { | |
1500 | t = matches[0]; | |
c862e87b | 1501 | compute_lcd_of_matches (matches, i - 1, t); |
d60d9f65 SS |
1502 | FREE (t); |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | *matchesp = matches; | |
1508 | return (1); | |
1509 | } | |
1510 | ||
cc88a640 | 1511 | static int |
cb41b9e7 | 1512 | complete_get_screenwidth (void) |
cc88a640 JK |
1513 | { |
1514 | int cols; | |
1515 | char *envcols; | |
1516 | ||
1517 | cols = _rl_completion_columns; | |
1518 | if (cols >= 0 && cols <= _rl_screenwidth) | |
1519 | return cols; | |
1520 | envcols = getenv ("COLUMNS"); | |
1521 | if (envcols && *envcols) | |
1522 | cols = atoi (envcols); | |
1523 | if (cols >= 0 && cols <= _rl_screenwidth) | |
1524 | return cols; | |
1525 | return _rl_screenwidth; | |
1526 | } | |
1527 | ||
c862e87b JM |
1528 | /* A convenience function for displaying a list of strings in |
1529 | columnar format on readline's output stream. MATCHES is the list | |
1530 | of strings, in argv format, LEN is the number of strings in MATCHES, | |
1531 | and MAX is the length of the longest string in MATCHES. */ | |
1532 | void | |
cb41b9e7 | 1533 | rl_display_match_list (char **matches, int len, int max) |
d60d9f65 | 1534 | { |
cc88a640 JK |
1535 | int count, limit, printed_len, lines, cols; |
1536 | int i, j, k, l, common_length, sind; | |
1537 | char *temp, *t; | |
1538 | ||
1539 | /* Find the length of the prefix common to all items: length as displayed | |
1540 | characters (common_length) and as a byte index into the matches (sind) */ | |
1541 | common_length = sind = 0; | |
1542 | if (_rl_completion_prefix_display_length > 0) | |
1543 | { | |
1544 | t = printable_part (matches[0]); | |
775e241e TT |
1545 | /* check again in case of /usr/src/ */ |
1546 | temp = rl_filename_completion_desired ? strrchr (t, '/') : 0; | |
cc88a640 JK |
1547 | common_length = temp ? fnwidth (temp) : fnwidth (t); |
1548 | sind = temp ? strlen (temp) : strlen (t); | |
775e241e TT |
1549 | if (common_length > max || sind > max) |
1550 | common_length = sind = 0; | |
cc88a640 JK |
1551 | |
1552 | if (common_length > _rl_completion_prefix_display_length && common_length > ELLIPSIS_LEN) | |
1553 | max -= common_length - ELLIPSIS_LEN; | |
1554 | else | |
1555 | common_length = sind = 0; | |
1556 | } | |
775e241e TT |
1557 | #if defined (COLOR_SUPPORT) |
1558 | else if (_rl_colored_completion_prefix > 0) | |
1559 | { | |
1560 | t = printable_part (matches[0]); | |
1561 | temp = rl_filename_completion_desired ? strrchr (t, '/') : 0; | |
1562 | common_length = temp ? fnwidth (temp) : fnwidth (t); | |
1563 | sind = temp ? RL_STRLEN (temp+1) : RL_STRLEN (t); /* want portion after final slash */ | |
1564 | if (common_length > max || sind > max) | |
1565 | common_length = sind = 0; | |
1566 | } | |
1567 | #endif | |
d60d9f65 | 1568 | |
d60d9f65 | 1569 | /* How many items of MAX length can we fit in the screen window? */ |
cc88a640 | 1570 | cols = complete_get_screenwidth (); |
d60d9f65 | 1571 | max += 2; |
cc88a640 JK |
1572 | limit = cols / max; |
1573 | if (limit != 1 && (limit * max == cols)) | |
d60d9f65 SS |
1574 | limit--; |
1575 | ||
cc88a640 JK |
1576 | /* If cols == 0, limit will end up -1 */ |
1577 | if (cols < _rl_screenwidth && limit < 0) | |
1578 | limit = 1; | |
1579 | ||
1580 | /* Avoid a possible floating exception. If max > cols, | |
d60d9f65 SS |
1581 | limit will be 0 and a divide-by-zero fault will result. */ |
1582 | if (limit == 0) | |
1583 | limit = 1; | |
1584 | ||
1585 | /* How many iterations of the printing loop? */ | |
1586 | count = (len + (limit - 1)) / limit; | |
1587 | ||
1588 | /* Watch out for special case. If LEN is less than LIMIT, then | |
1589 | just do the inner printing loop. | |
1590 | 0 < len <= limit implies count = 1. */ | |
1591 | ||
1592 | /* Sort the items if they are not already sorted. */ | |
cc88a640 | 1593 | if (rl_ignore_completion_duplicates == 0 && rl_sort_completion_matches) |
1b17e766 | 1594 | qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); |
d60d9f65 | 1595 | |
9255ee31 | 1596 | rl_crlf (); |
d60d9f65 | 1597 | |
9255ee31 | 1598 | lines = 0; |
d60d9f65 SS |
1599 | if (_rl_print_completions_horizontally == 0) |
1600 | { | |
1601 | /* Print the sorted items, up-and-down alphabetically, like ls. */ | |
1602 | for (i = 1; i <= count; i++) | |
1603 | { | |
1604 | for (j = 0, l = i; j < limit; j++) | |
1605 | { | |
1606 | if (l > len || matches[l] == 0) | |
1607 | break; | |
1608 | else | |
1609 | { | |
1610 | temp = printable_part (matches[l]); | |
cc88a640 | 1611 | printed_len = print_filename (temp, matches[l], sind); |
d60d9f65 SS |
1612 | |
1613 | if (j + 1 < limit) | |
775e241e TT |
1614 | { |
1615 | if (max <= printed_len) | |
1616 | putc (' ', rl_outstream); | |
1617 | else | |
1618 | for (k = 0; k < max - printed_len; k++) | |
1619 | putc (' ', rl_outstream); | |
1620 | } | |
d60d9f65 SS |
1621 | } |
1622 | l += count; | |
1623 | } | |
9255ee31 | 1624 | rl_crlf (); |
775e241e TT |
1625 | #if defined (SIGWINCH) |
1626 | if (RL_SIG_RECEIVED () && RL_SIGWINCH_RECEIVED() == 0) | |
1627 | #else | |
1628 | if (RL_SIG_RECEIVED ()) | |
1629 | #endif | |
1630 | return; | |
9255ee31 EZ |
1631 | lines++; |
1632 | if (_rl_page_completions && lines >= (_rl_screenheight - 1) && i < count) | |
1633 | { | |
1634 | lines = _rl_internal_pager (lines); | |
1635 | if (lines < 0) | |
1636 | return; | |
1637 | } | |
d60d9f65 SS |
1638 | } |
1639 | } | |
1640 | else | |
1641 | { | |
1642 | /* Print the sorted items, across alphabetically, like ls -x. */ | |
1643 | for (i = 1; matches[i]; i++) | |
1644 | { | |
1645 | temp = printable_part (matches[i]); | |
cc88a640 | 1646 | printed_len = print_filename (temp, matches[i], sind); |
d60d9f65 | 1647 | /* Have we reached the end of this line? */ |
775e241e TT |
1648 | #if defined (SIGWINCH) |
1649 | if (RL_SIG_RECEIVED () && RL_SIGWINCH_RECEIVED() == 0) | |
1650 | #else | |
1651 | if (RL_SIG_RECEIVED ()) | |
1652 | #endif | |
1653 | return; | |
d60d9f65 SS |
1654 | if (matches[i+1]) |
1655 | { | |
775e241e | 1656 | if (limit == 1 || (i && (limit > 1) && (i % limit) == 0)) |
9255ee31 EZ |
1657 | { |
1658 | rl_crlf (); | |
1659 | lines++; | |
1660 | if (_rl_page_completions && lines >= _rl_screenheight - 1) | |
1661 | { | |
1662 | lines = _rl_internal_pager (lines); | |
1663 | if (lines < 0) | |
1664 | return; | |
1665 | } | |
1666 | } | |
775e241e TT |
1667 | else if (max <= printed_len) |
1668 | putc (' ', rl_outstream); | |
d60d9f65 SS |
1669 | else |
1670 | for (k = 0; k < max - printed_len; k++) | |
1671 | putc (' ', rl_outstream); | |
1672 | } | |
1673 | } | |
9255ee31 | 1674 | rl_crlf (); |
d60d9f65 | 1675 | } |
c862e87b JM |
1676 | } |
1677 | ||
1678 | /* Display MATCHES, a list of matching filenames in argv format. This | |
1679 | handles the simple case -- a single match -- first. If there is more | |
1680 | than one match, we compute the number of strings in the list and the | |
1681 | length of the longest string, which will be needed by the display | |
1682 | function. If the application wants to handle displaying the list of | |
1683 | matches itself, it sets RL_COMPLETION_DISPLAY_MATCHES_HOOK to the | |
1684 | address of a function, and we just call it. If we're handling the | |
1685 | display ourselves, we just call rl_display_match_list. We also check | |
1686 | that the list of matches doesn't exceed the user-settable threshold, | |
1687 | and ask the user if he wants to see the list if there are more matches | |
1688 | than RL_COMPLETION_QUERY_ITEMS. */ | |
1689 | static void | |
cb41b9e7 | 1690 | display_matches (char **matches) |
c862e87b JM |
1691 | { |
1692 | int len, max, i; | |
1693 | char *temp; | |
1694 | ||
1695 | /* Move to the last visible line of a possibly-multiple-line command. */ | |
1696 | _rl_move_vert (_rl_vis_botlin); | |
1697 | ||
1698 | /* Handle simple case first. What if there is only one answer? */ | |
1699 | if (matches[1] == 0) | |
1700 | { | |
1701 | temp = printable_part (matches[0]); | |
9255ee31 | 1702 | rl_crlf (); |
cc88a640 | 1703 | print_filename (temp, matches[0], 0); |
9255ee31 | 1704 | rl_crlf (); |
c862e87b JM |
1705 | |
1706 | rl_forced_update_display (); | |
1707 | rl_display_fixed = 1; | |
1708 | ||
1709 | return; | |
1710 | } | |
1711 | ||
1712 | /* There is more than one answer. Find out how many there are, | |
1713 | and find the maximum printed length of a single entry. */ | |
1714 | for (max = 0, i = 1; matches[i]; i++) | |
1715 | { | |
1716 | temp = printable_part (matches[i]); | |
5bdf8622 | 1717 | len = fnwidth (temp); |
c862e87b JM |
1718 | |
1719 | if (len > max) | |
1720 | max = len; | |
1721 | } | |
1722 | ||
1723 | len = i - 1; | |
1724 | ||
1725 | /* If the caller has defined a display hook, then call that now. */ | |
1726 | if (rl_completion_display_matches_hook) | |
1727 | { | |
1728 | (*rl_completion_display_matches_hook) (matches, len, max); | |
1729 | return; | |
1730 | } | |
1731 | ||
1732 | /* If there are many items, then ask the user if she really wants to | |
1733 | see them all. */ | |
5bdf8622 | 1734 | if (rl_completion_query_items > 0 && len >= rl_completion_query_items) |
c862e87b | 1735 | { |
9255ee31 | 1736 | rl_crlf (); |
c862e87b JM |
1737 | fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len); |
1738 | fflush (rl_outstream); | |
cc88a640 | 1739 | if ((completion_y_or_n = get_y_or_n (0)) == 0) |
c862e87b | 1740 | { |
9255ee31 | 1741 | rl_crlf (); |
c862e87b JM |
1742 | |
1743 | rl_forced_update_display (); | |
1744 | rl_display_fixed = 1; | |
1745 | ||
1746 | return; | |
1747 | } | |
1748 | } | |
1749 | ||
1750 | rl_display_match_list (matches, len, max); | |
d60d9f65 | 1751 | |
d60d9f65 SS |
1752 | rl_forced_update_display (); |
1753 | rl_display_fixed = 1; | |
d60d9f65 SS |
1754 | } |
1755 | ||
cb41b9e7 | 1756 | /* qc == pointer to quoting character, if any */ |
d60d9f65 | 1757 | static char * |
cb41b9e7 | 1758 | make_quoted_replacement (char *match, int mtype, char *qc) |
d60d9f65 SS |
1759 | { |
1760 | int should_quote, do_replace; | |
1761 | char *replacement; | |
1762 | ||
1763 | /* If we are doing completion on quoted substrings, and any matches | |
1764 | contain any of the completer_word_break_characters, then auto- | |
1765 | matically prepend the substring with a quote character (just pick | |
1766 | the first one from the list of such) if it does not already begin | |
1767 | with a quote string. FIXME: Need to remove any such automatically | |
1768 | inserted quote character when it no longer is necessary, such as | |
1769 | if we change the string we are completing on and the new set of | |
1770 | matches don't require a quoted substring. */ | |
1771 | replacement = match; | |
1772 | ||
1773 | should_quote = match && rl_completer_quote_characters && | |
1774 | rl_filename_completion_desired && | |
1775 | rl_filename_quoting_desired; | |
1776 | ||
1777 | if (should_quote) | |
c862e87b JM |
1778 | should_quote = should_quote && (!qc || !*qc || |
1779 | (rl_completer_quote_characters && strchr (rl_completer_quote_characters, *qc))); | |
d60d9f65 SS |
1780 | |
1781 | if (should_quote) | |
1782 | { | |
1783 | /* If there is a single match, see if we need to quote it. | |
1784 | This also checks whether the common prefix of several | |
1785 | matches needs to be quoted. */ | |
1786 | should_quote = rl_filename_quote_characters | |
9255ee31 | 1787 | ? (_rl_strpbrk (match, rl_filename_quote_characters) != 0) |
d60d9f65 SS |
1788 | : 0; |
1789 | ||
1790 | do_replace = should_quote ? mtype : NO_MATCH; | |
1791 | /* Quote the replacement, since we found an embedded | |
1792 | word break character in a potential match. */ | |
1793 | if (do_replace != NO_MATCH && rl_filename_quoting_function) | |
1794 | replacement = (*rl_filename_quoting_function) (match, do_replace, qc); | |
1795 | } | |
1796 | return (replacement); | |
1797 | } | |
1798 | ||
1799 | static void | |
cb41b9e7 | 1800 | insert_match (char *match, int start, int mtype, char *qc) |
d60d9f65 | 1801 | { |
cc88a640 | 1802 | char *replacement, *r; |
d60d9f65 | 1803 | char oqc; |
cc88a640 | 1804 | int end, rlen; |
d60d9f65 SS |
1805 | |
1806 | oqc = qc ? *qc : '\0'; | |
1807 | replacement = make_quoted_replacement (match, mtype, qc); | |
1808 | ||
1809 | /* Now insert the match. */ | |
1810 | if (replacement) | |
1811 | { | |
cc88a640 | 1812 | rlen = strlen (replacement); |
d60d9f65 SS |
1813 | /* Don't double an opening quote character. */ |
1814 | if (qc && *qc && start && rl_line_buffer[start - 1] == *qc && | |
1815 | replacement[0] == *qc) | |
1816 | start--; | |
1817 | /* If make_quoted_replacement changed the quoting character, remove | |
1818 | the opening quote and insert the (fully-quoted) replacement. */ | |
1819 | else if (qc && (*qc != oqc) && start && rl_line_buffer[start - 1] == oqc && | |
1820 | replacement[0] != oqc) | |
1821 | start--; | |
cc88a640 JK |
1822 | end = rl_point - 1; |
1823 | /* Don't double a closing quote character */ | |
1824 | if (qc && *qc && end && rl_line_buffer[rl_point] == *qc && replacement[rlen - 1] == *qc) | |
1825 | end++; | |
1826 | if (_rl_skip_completed_text) | |
1827 | { | |
1828 | r = replacement; | |
1829 | while (start < rl_end && *r && rl_line_buffer[start] == *r) | |
1830 | { | |
1831 | start++; | |
1832 | r++; | |
1833 | } | |
1834 | if (start <= end || *r) | |
1835 | _rl_replace_text (r, start, end); | |
1836 | rl_point = start + strlen (r); | |
1837 | } | |
1838 | else | |
1839 | _rl_replace_text (replacement, start, end); | |
d60d9f65 | 1840 | if (replacement != match) |
cc88a640 | 1841 | xfree (replacement); |
d60d9f65 SS |
1842 | } |
1843 | } | |
1844 | ||
1845 | /* Append any necessary closing quote and a separator character to the | |
1846 | just-inserted match. If the user has specified that directories | |
1847 | should be marked by a trailing `/', append one of those instead. The | |
1848 | default trailing character is a space. Returns the number of characters | |
9255ee31 EZ |
1849 | appended. If NONTRIVIAL_MATCH is set, we test for a symlink (if the OS |
1850 | has them) and don't add a suffix for a symlink to a directory. A | |
1851 | nontrivial match is one that actually adds to the word being completed. | |
1852 | The variable rl_completion_mark_symlink_dirs controls this behavior | |
1853 | (it's initially set to the what the user has chosen, indicated by the | |
1854 | value of _rl_complete_mark_symlink_dirs, but may be modified by an | |
1855 | application's completion function). */ | |
d60d9f65 | 1856 | static int |
cb41b9e7 | 1857 | append_to_match (char *text, int delimiter, int quote_char, int nontrivial_match) |
d60d9f65 | 1858 | { |
775e241e | 1859 | char temp_string[4], *filename, *fn; |
9255ee31 | 1860 | int temp_string_index, s; |
d60d9f65 SS |
1861 | struct stat finfo; |
1862 | ||
1863 | temp_string_index = 0; | |
5bdf8622 DJ |
1864 | if (quote_char && rl_point && rl_completion_suppress_quote == 0 && |
1865 | rl_line_buffer[rl_point - 1] != quote_char) | |
d60d9f65 SS |
1866 | temp_string[temp_string_index++] = quote_char; |
1867 | ||
1868 | if (delimiter) | |
1869 | temp_string[temp_string_index++] = delimiter; | |
9255ee31 | 1870 | else if (rl_completion_suppress_append == 0 && rl_completion_append_character) |
d60d9f65 SS |
1871 | temp_string[temp_string_index++] = rl_completion_append_character; |
1872 | ||
1873 | temp_string[temp_string_index++] = '\0'; | |
1874 | ||
1875 | if (rl_filename_completion_desired) | |
1876 | { | |
1877 | filename = tilde_expand (text); | |
775e241e TT |
1878 | if (rl_filename_stat_hook) |
1879 | { | |
1880 | fn = savestring (filename); | |
1881 | (*rl_filename_stat_hook) (&fn); | |
1882 | xfree (filename); | |
1883 | filename = fn; | |
1884 | } | |
9255ee31 EZ |
1885 | s = (nontrivial_match && rl_completion_mark_symlink_dirs == 0) |
1886 | ? LSTAT (filename, &finfo) | |
1887 | : stat (filename, &finfo); | |
1888 | if (s == 0 && S_ISDIR (finfo.st_mode)) | |
d60d9f65 | 1889 | { |
5bdf8622 | 1890 | if (_rl_complete_mark_directories /* && rl_completion_suppress_append == 0 */) |
9255ee31 EZ |
1891 | { |
1892 | /* This is clumsy. Avoid putting in a double slash if point | |
1893 | is at the end of the line and the previous character is a | |
1894 | slash. */ | |
1895 | if (rl_point && rl_line_buffer[rl_point] == '\0' && rl_line_buffer[rl_point - 1] == '/') | |
1896 | ; | |
1897 | else if (rl_line_buffer[rl_point] != '/') | |
1898 | rl_insert_text ("/"); | |
1899 | } | |
d60d9f65 | 1900 | } |
9255ee31 EZ |
1901 | #ifdef S_ISLNK |
1902 | /* Don't add anything if the filename is a symlink and resolves to a | |
1903 | directory. */ | |
775e241e | 1904 | else if (s == 0 && S_ISLNK (finfo.st_mode) && path_isdir (filename)) |
9255ee31 EZ |
1905 | ; |
1906 | #endif | |
d60d9f65 SS |
1907 | else |
1908 | { | |
9255ee31 | 1909 | if (rl_point == rl_end && temp_string_index) |
d60d9f65 SS |
1910 | rl_insert_text (temp_string); |
1911 | } | |
cc88a640 | 1912 | xfree (filename); |
d60d9f65 SS |
1913 | } |
1914 | else | |
1915 | { | |
9255ee31 | 1916 | if (rl_point == rl_end && temp_string_index) |
d60d9f65 SS |
1917 | rl_insert_text (temp_string); |
1918 | } | |
1919 | ||
1920 | return (temp_string_index); | |
1921 | } | |
1922 | ||
1923 | static void | |
cb41b9e7 | 1924 | insert_all_matches (char **matches, int point, char *qc) |
d60d9f65 SS |
1925 | { |
1926 | int i; | |
1927 | char *rp; | |
1928 | ||
1929 | rl_begin_undo_group (); | |
1930 | /* remove any opening quote character; make_quoted_replacement will add | |
1931 | it back. */ | |
1932 | if (qc && *qc && point && rl_line_buffer[point - 1] == *qc) | |
1933 | point--; | |
1934 | rl_delete_text (point, rl_point); | |
1935 | rl_point = point; | |
1936 | ||
1937 | if (matches[1]) | |
1938 | { | |
1939 | for (i = 1; matches[i]; i++) | |
1940 | { | |
1941 | rp = make_quoted_replacement (matches[i], SINGLE_MATCH, qc); | |
1942 | rl_insert_text (rp); | |
1943 | rl_insert_text (" "); | |
1944 | if (rp != matches[i]) | |
cc88a640 | 1945 | xfree (rp); |
d60d9f65 SS |
1946 | } |
1947 | } | |
1948 | else | |
1949 | { | |
1950 | rp = make_quoted_replacement (matches[0], SINGLE_MATCH, qc); | |
1951 | rl_insert_text (rp); | |
1952 | rl_insert_text (" "); | |
1953 | if (rp != matches[0]) | |
cc88a640 | 1954 | xfree (rp); |
d60d9f65 SS |
1955 | } |
1956 | rl_end_undo_group (); | |
1957 | } | |
1958 | ||
9255ee31 | 1959 | void |
cb41b9e7 | 1960 | _rl_free_match_list (char **matches) |
c862e87b JM |
1961 | { |
1962 | register int i; | |
1963 | ||
9255ee31 EZ |
1964 | if (matches == 0) |
1965 | return; | |
1966 | ||
c862e87b | 1967 | for (i = 0; matches[i]; i++) |
cc88a640 JK |
1968 | xfree (matches[i]); |
1969 | xfree (matches); | |
c862e87b JM |
1970 | } |
1971 | ||
d60d9f65 SS |
1972 | /* Complete the word at or before point. |
1973 | WHAT_TO_DO says what to do with the completion. | |
1974 | `?' means list the possible completions. | |
1975 | TAB means do standard completion. | |
1976 | `*' means insert all of the possible completions. | |
1977 | `!' means to do standard completion, and list all possible completions if | |
5bdf8622 DJ |
1978 | there is more than one. |
1979 | `@' means to do standard completion, and list all possible completions if | |
1980 | there is more than one and partial completion is not possible. */ | |
d60d9f65 | 1981 | int |
cb41b9e7 | 1982 | rl_complete_internal (int what_to_do) |
d60d9f65 SS |
1983 | { |
1984 | char **matches; | |
9255ee31 EZ |
1985 | rl_compentry_func_t *our_func; |
1986 | int start, end, delimiter, found_quote, i, nontrivial_lcd; | |
d60d9f65 SS |
1987 | char *text, *saved_line_buffer; |
1988 | char quote_char; | |
cc88a640 | 1989 | int tlen, mlen; |
d60d9f65 | 1990 | |
9255ee31 EZ |
1991 | RL_SETSTATE(RL_STATE_COMPLETING); |
1992 | ||
1993 | set_completion_defaults (what_to_do); | |
d60d9f65 SS |
1994 | |
1995 | saved_line_buffer = rl_line_buffer ? savestring (rl_line_buffer) : (char *)NULL; | |
1996 | our_func = rl_completion_entry_function | |
1997 | ? rl_completion_entry_function | |
9255ee31 | 1998 | : rl_filename_completion_function; |
d60d9f65 SS |
1999 | /* We now look backwards for the start of a filename/variable word. */ |
2000 | end = rl_point; | |
2001 | found_quote = delimiter = 0; | |
2002 | quote_char = '\0'; | |
2003 | ||
2004 | if (rl_point) | |
2005 | /* This (possibly) changes rl_point. If it returns a non-zero char, | |
2006 | we know we have an open quote. */ | |
9255ee31 | 2007 | quote_char = _rl_find_completion_word (&found_quote, &delimiter); |
d60d9f65 SS |
2008 | |
2009 | start = rl_point; | |
2010 | rl_point = end; | |
2011 | ||
2012 | text = rl_copy_text (start, end); | |
2013 | matches = gen_completion_matches (text, start, end, our_func, found_quote, quote_char); | |
9255ee31 EZ |
2014 | /* nontrivial_lcd is set if the common prefix adds something to the word |
2015 | being completed. */ | |
2016 | nontrivial_lcd = matches && strcmp (text, matches[0]) != 0; | |
cc88a640 JK |
2017 | if (what_to_do == '!' || what_to_do == '@') |
2018 | tlen = strlen (text); | |
cc88a640 | 2019 | xfree (text); |
d60d9f65 SS |
2020 | |
2021 | if (matches == 0) | |
2022 | { | |
9255ee31 | 2023 | rl_ding (); |
d60d9f65 | 2024 | FREE (saved_line_buffer); |
9255ee31 EZ |
2025 | completion_changed_buffer = 0; |
2026 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
cc88a640 | 2027 | _rl_reset_completion_state (); |
d60d9f65 SS |
2028 | return (0); |
2029 | } | |
2030 | ||
c862e87b JM |
2031 | /* If we are matching filenames, the attempted completion function will |
2032 | have set rl_filename_completion_desired to a non-zero value. The basic | |
9255ee31 | 2033 | rl_filename_completion_function does this. */ |
c862e87b | 2034 | i = rl_filename_completion_desired; |
c862e87b JM |
2035 | |
2036 | if (postprocess_matches (&matches, i) == 0) | |
d60d9f65 | 2037 | { |
9255ee31 | 2038 | rl_ding (); |
d60d9f65 | 2039 | FREE (saved_line_buffer); |
c862e87b | 2040 | completion_changed_buffer = 0; |
9255ee31 | 2041 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
cc88a640 | 2042 | _rl_reset_completion_state (); |
d60d9f65 SS |
2043 | return (0); |
2044 | } | |
2045 | ||
d60d9f65 SS |
2046 | switch (what_to_do) |
2047 | { | |
2048 | case TAB: | |
2049 | case '!': | |
5bdf8622 | 2050 | case '@': |
d60d9f65 | 2051 | /* Insert the first match with proper quoting. */ |
cc88a640 JK |
2052 | if (what_to_do == TAB) |
2053 | { | |
2054 | if (*matches[0]) | |
2055 | insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2056 | } | |
2057 | else if (*matches[0] && matches[1] == 0) | |
2058 | /* should we perform the check only if there are multiple matches? */ | |
2059 | insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2060 | else if (*matches[0]) /* what_to_do != TAB && multiple matches */ | |
2061 | { | |
2062 | mlen = *matches[0] ? strlen (matches[0]) : 0; | |
2063 | if (mlen >= tlen) | |
2064 | insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2065 | } | |
d60d9f65 SS |
2066 | |
2067 | /* If there are more matches, ring the bell to indicate. | |
2068 | If we are in vi mode, Posix.2 says to not ring the bell. | |
2069 | If the `show-all-if-ambiguous' variable is set, display | |
2070 | all the matches immediately. Otherwise, if this was the | |
2071 | only match, and we are hacking files, check the file to | |
2072 | see if it was a directory. If so, and the `mark-directories' | |
2073 | variable is set, add a '/' to the name. If not, and we | |
2074 | are at the end of the line, then add a space. */ | |
2075 | if (matches[1]) | |
2076 | { | |
2077 | if (what_to_do == '!') | |
2078 | { | |
2079 | display_matches (matches); | |
2080 | break; | |
2081 | } | |
5bdf8622 DJ |
2082 | else if (what_to_do == '@') |
2083 | { | |
2084 | if (nontrivial_lcd == 0) | |
2085 | display_matches (matches); | |
2086 | break; | |
2087 | } | |
d60d9f65 | 2088 | else if (rl_editing_mode != vi_mode) |
9255ee31 | 2089 | rl_ding (); /* There are other matches remaining. */ |
d60d9f65 SS |
2090 | } |
2091 | else | |
9255ee31 | 2092 | append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd); |
d60d9f65 SS |
2093 | |
2094 | break; | |
2095 | ||
2096 | case '*': | |
2097 | insert_all_matches (matches, start, "e_char); | |
2098 | break; | |
2099 | ||
2100 | case '?': | |
775e241e TT |
2101 | if (rl_completion_display_matches_hook == 0) |
2102 | { | |
2103 | _rl_sigcleanup = _rl_complete_sigcleanup; | |
2104 | _rl_sigcleanarg = matches; | |
2105 | _rl_complete_display_matches_interrupt = 0; | |
2106 | } | |
d60d9f65 | 2107 | display_matches (matches); |
775e241e TT |
2108 | if (_rl_complete_display_matches_interrupt) |
2109 | { | |
2110 | matches = 0; /* already freed by rl_complete_sigcleanup */ | |
2111 | _rl_complete_display_matches_interrupt = 0; | |
2112 | if (rl_signal_event_hook) | |
2113 | (*rl_signal_event_hook) (); /* XXX */ | |
2114 | } | |
2115 | _rl_sigcleanup = 0; | |
2116 | _rl_sigcleanarg = 0; | |
d60d9f65 SS |
2117 | break; |
2118 | ||
2119 | default: | |
cc88a640 | 2120 | _rl_ttymsg ("bad value %d for what_to_do in rl_complete", what_to_do); |
9255ee31 | 2121 | rl_ding (); |
d60d9f65 | 2122 | FREE (saved_line_buffer); |
9255ee31 | 2123 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
775e241e | 2124 | _rl_free_match_list (matches); |
cc88a640 | 2125 | _rl_reset_completion_state (); |
d60d9f65 SS |
2126 | return 1; |
2127 | } | |
2128 | ||
9255ee31 | 2129 | _rl_free_match_list (matches); |
d60d9f65 SS |
2130 | |
2131 | /* Check to see if the line has changed through all of this manipulation. */ | |
2132 | if (saved_line_buffer) | |
2133 | { | |
2134 | completion_changed_buffer = strcmp (rl_line_buffer, saved_line_buffer) != 0; | |
cc88a640 | 2135 | xfree (saved_line_buffer); |
d60d9f65 SS |
2136 | } |
2137 | ||
9255ee31 | 2138 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
cc88a640 | 2139 | _rl_reset_completion_state (); |
775e241e TT |
2140 | |
2141 | RL_CHECK_SIGNALS (); | |
d60d9f65 SS |
2142 | return 0; |
2143 | } | |
2144 | ||
2145 | /***************************************************************/ | |
2146 | /* */ | |
2147 | /* Application-callable completion match generator functions */ | |
2148 | /* */ | |
2149 | /***************************************************************/ | |
2150 | ||
2151 | /* Return an array of (char *) which is a list of completions for TEXT. | |
2152 | If there are no completions, return a NULL pointer. | |
2153 | The first entry in the returned array is the substitution for TEXT. | |
2154 | The remaining entries are the possible completions. | |
2155 | The array is terminated with a NULL pointer. | |
2156 | ||
2157 | ENTRY_FUNCTION is a function of two args, and returns a (char *). | |
2158 | The first argument is TEXT. | |
2159 | The second is a state argument; it should be zero on the first call, and | |
2160 | non-zero on subsequent calls. It returns a NULL pointer to the caller | |
2161 | when there are no more matches. | |
2162 | */ | |
2163 | char ** | |
cb41b9e7 | 2164 | rl_completion_matches (const char *text, rl_compentry_func_t *entry_function) |
d60d9f65 | 2165 | { |
775e241e TT |
2166 | register int i; |
2167 | ||
d60d9f65 SS |
2168 | /* Number of slots in match_list. */ |
2169 | int match_list_size; | |
2170 | ||
2171 | /* The list of matches. */ | |
2172 | char **match_list; | |
2173 | ||
2174 | /* Number of matches actually found. */ | |
2175 | int matches; | |
2176 | ||
2177 | /* Temporary string binder. */ | |
2178 | char *string; | |
2179 | ||
2180 | matches = 0; | |
2181 | match_list_size = 10; | |
2182 | match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *)); | |
2183 | match_list[1] = (char *)NULL; | |
2184 | ||
729b8652 | 2185 | while (string = (*entry_function) (text, matches)) |
d60d9f65 | 2186 | { |
775e241e TT |
2187 | if (RL_SIG_RECEIVED ()) |
2188 | { | |
2189 | /* Start at 1 because we don't set matches[0] in this function. | |
2190 | Only free the list members if we're building match list from | |
2191 | rl_filename_completion_function, since we know that doesn't | |
2192 | free the strings it returns. */ | |
2193 | if (entry_function == rl_filename_completion_function) | |
2194 | { | |
2195 | for (i = 1; match_list[i]; i++) | |
2196 | xfree (match_list[i]); | |
2197 | } | |
2198 | xfree (match_list); | |
2199 | match_list = 0; | |
2200 | match_list_size = 0; | |
2201 | matches = 0; | |
2202 | RL_CHECK_SIGNALS (); | |
2203 | } | |
2204 | ||
2205 | if (matches + 1 >= match_list_size) | |
d60d9f65 SS |
2206 | match_list = (char **)xrealloc |
2207 | (match_list, ((match_list_size += 10) + 1) * sizeof (char *)); | |
2208 | ||
775e241e TT |
2209 | if (match_list == 0) |
2210 | return (match_list); | |
2211 | ||
d60d9f65 SS |
2212 | match_list[++matches] = string; |
2213 | match_list[matches + 1] = (char *)NULL; | |
2214 | } | |
2215 | ||
2216 | /* If there were any matches, then look through them finding out the | |
2217 | lowest common denominator. That then becomes match_list[0]. */ | |
2218 | if (matches) | |
2219 | compute_lcd_of_matches (match_list, matches, text); | |
2220 | else /* There were no matches. */ | |
2221 | { | |
cc88a640 | 2222 | xfree (match_list); |
d60d9f65 SS |
2223 | match_list = (char **)NULL; |
2224 | } | |
2225 | return (match_list); | |
2226 | } | |
2227 | ||
2228 | /* A completion function for usernames. | |
2229 | TEXT contains a partial username preceded by a random | |
2230 | character (usually `~'). */ | |
2231 | char * | |
cb41b9e7 | 2232 | rl_username_completion_function (const char *text, int state) |
d60d9f65 | 2233 | { |
cd0040c1 | 2234 | #if defined (__WIN32__) || defined (__OPENNT) |
d60d9f65 | 2235 | return (char *)NULL; |
1b17e766 | 2236 | #else /* !__WIN32__ && !__OPENNT) */ |
d60d9f65 SS |
2237 | static char *username = (char *)NULL; |
2238 | static struct passwd *entry; | |
2239 | static int namelen, first_char, first_char_loc; | |
2240 | char *value; | |
2241 | ||
2242 | if (state == 0) | |
2243 | { | |
2244 | FREE (username); | |
2245 | ||
2246 | first_char = *text; | |
2247 | first_char_loc = first_char == '~'; | |
2248 | ||
2249 | username = savestring (&text[first_char_loc]); | |
2250 | namelen = strlen (username); | |
775e241e | 2251 | #if defined (HAVE_GETPWENT) |
d60d9f65 | 2252 | setpwent (); |
775e241e | 2253 | #endif |
d60d9f65 SS |
2254 | } |
2255 | ||
5bdf8622 | 2256 | #if defined (HAVE_GETPWENT) |
d60d9f65 SS |
2257 | while (entry = getpwent ()) |
2258 | { | |
2259 | /* Null usernames should result in all users as possible completions. */ | |
2260 | if (namelen == 0 || (STREQN (username, entry->pw_name, namelen))) | |
2261 | break; | |
2262 | } | |
430b7832 | 2263 | #endif |
d60d9f65 SS |
2264 | |
2265 | if (entry == 0) | |
2266 | { | |
5bdf8622 | 2267 | #if defined (HAVE_GETPWENT) |
d60d9f65 | 2268 | endpwent (); |
430b7832 | 2269 | #endif |
d60d9f65 SS |
2270 | return ((char *)NULL); |
2271 | } | |
2272 | else | |
2273 | { | |
9255ee31 | 2274 | value = (char *)xmalloc (2 + strlen (entry->pw_name)); |
d60d9f65 SS |
2275 | |
2276 | *value = *text; | |
2277 | ||
2278 | strcpy (value + first_char_loc, entry->pw_name); | |
2279 | ||
2280 | if (first_char == '~') | |
2281 | rl_filename_completion_desired = 1; | |
2282 | ||
2283 | return (value); | |
2284 | } | |
1b17e766 | 2285 | #endif /* !__WIN32__ && !__OPENNT */ |
d60d9f65 SS |
2286 | } |
2287 | ||
cc88a640 JK |
2288 | /* Return non-zero if CONVFN matches FILENAME up to the length of FILENAME |
2289 | (FILENAME_LEN). If _rl_completion_case_fold is set, compare without | |
775e241e TT |
2290 | regard to the alphabetic case of characters. If |
2291 | _rl_completion_case_map is set, make `-' and `_' equivalent. CONVFN is | |
2292 | the possibly-converted directory entry; FILENAME is what the user typed. */ | |
cc88a640 | 2293 | static int |
cb41b9e7 | 2294 | complete_fncmp (const char *convfn, int convlen, const char *filename, int filename_len) |
cc88a640 JK |
2295 | { |
2296 | register char *s1, *s2; | |
2297 | int d, len; | |
775e241e TT |
2298 | #if defined (HANDLE_MULTIBYTE) |
2299 | size_t v1, v2; | |
2300 | mbstate_t ps1, ps2; | |
2301 | wchar_t wc1, wc2; | |
2302 | #endif | |
2303 | ||
2304 | #if defined (HANDLE_MULTIBYTE) | |
2305 | memset (&ps1, 0, sizeof (mbstate_t)); | |
2306 | memset (&ps2, 0, sizeof (mbstate_t)); | |
2307 | #endif | |
2308 | ||
2309 | if (filename_len == 0) | |
2310 | return 1; | |
2311 | if (convlen < filename_len) | |
2312 | return 0; | |
2313 | ||
2314 | len = filename_len; | |
2315 | s1 = (char *)convfn; | |
2316 | s2 = (char *)filename; | |
cc88a640 JK |
2317 | |
2318 | /* Otherwise, if these match up to the length of filename, then | |
2319 | it is a match. */ | |
2320 | if (_rl_completion_case_fold && _rl_completion_case_map) | |
2321 | { | |
2322 | /* Case-insensitive comparison treating _ and - as equivalent */ | |
775e241e TT |
2323 | #if defined (HANDLE_MULTIBYTE) |
2324 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
cc88a640 | 2325 | { |
775e241e TT |
2326 | do |
2327 | { | |
2328 | v1 = mbrtowc (&wc1, s1, convlen, &ps1); | |
2329 | v2 = mbrtowc (&wc2, s2, filename_len, &ps2); | |
2330 | if (v1 == 0 && v2 == 0) | |
2331 | return 1; | |
2332 | else if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2)) | |
2333 | { | |
2334 | if (*s1 != *s2) /* do byte comparison */ | |
2335 | return 0; | |
2336 | else if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_')) | |
2337 | return 0; | |
2338 | s1++; s2++; len--; | |
2339 | continue; | |
2340 | } | |
2341 | wc1 = towlower (wc1); | |
2342 | wc2 = towlower (wc2); | |
2343 | s1 += v1; | |
2344 | s2 += v1; | |
2345 | len -= v1; | |
2346 | if ((wc1 == L'-' || wc1 == L'_') && (wc2 == L'-' || wc2 == L'_')) | |
2347 | continue; | |
2348 | if (wc1 != wc2) | |
2349 | return 0; | |
2350 | } | |
2351 | while (len != 0); | |
cc88a640 | 2352 | } |
775e241e TT |
2353 | else |
2354 | #endif | |
2355 | { | |
2356 | do | |
2357 | { | |
2358 | d = _rl_to_lower (*s1) - _rl_to_lower (*s2); | |
2359 | /* *s1 == [-_] && *s2 == [-_] */ | |
2360 | if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_')) | |
2361 | d = 0; | |
2362 | if (d != 0) | |
2363 | return 0; | |
2364 | s1++; s2++; /* already checked convlen >= filename_len */ | |
2365 | } | |
2366 | while (--len != 0); | |
2367 | } | |
2368 | ||
cc88a640 JK |
2369 | return 1; |
2370 | } | |
2371 | else if (_rl_completion_case_fold) | |
2372 | { | |
775e241e TT |
2373 | #if defined (HANDLE_MULTIBYTE) |
2374 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) | |
2375 | { | |
2376 | do | |
2377 | { | |
2378 | v1 = mbrtowc (&wc1, s1, convlen, &ps1); | |
2379 | v2 = mbrtowc (&wc2, s2, filename_len, &ps2); | |
2380 | if (v1 == 0 && v2 == 0) | |
2381 | return 1; | |
2382 | else if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2)) | |
2383 | { | |
2384 | if (*s1 != *s2) /* do byte comparison */ | |
2385 | return 0; | |
2386 | s1++; s2++; len--; | |
2387 | continue; | |
2388 | } | |
2389 | wc1 = towlower (wc1); | |
2390 | wc2 = towlower (wc2); | |
2391 | if (wc1 != wc2) | |
2392 | return 0; | |
2393 | s1 += v1; | |
2394 | s2 += v1; | |
2395 | len -= v1; | |
2396 | } | |
2397 | while (len != 0); | |
2398 | return 1; | |
2399 | } | |
2400 | else | |
2401 | #endif | |
cc88a640 JK |
2402 | if ((_rl_to_lower (convfn[0]) == _rl_to_lower (filename[0])) && |
2403 | (convlen >= filename_len) && | |
2404 | (_rl_strnicmp (filename, convfn, filename_len) == 0)) | |
2405 | return 1; | |
2406 | } | |
2407 | else | |
2408 | { | |
2409 | if ((convfn[0] == filename[0]) && | |
2410 | (convlen >= filename_len) && | |
2411 | (strncmp (filename, convfn, filename_len) == 0)) | |
2412 | return 1; | |
2413 | } | |
2414 | return 0; | |
2415 | } | |
2416 | ||
d60d9f65 SS |
2417 | /* Okay, now we write the entry_function for filename completion. In the |
2418 | general case. Note that completion in the shell is a little different | |
2419 | because of all the pathnames that must be followed when looking up the | |
2420 | completion for a command. */ | |
2421 | char * | |
cb41b9e7 | 2422 | rl_filename_completion_function (const char *text, int state) |
d60d9f65 SS |
2423 | { |
2424 | static DIR *directory = (DIR *)NULL; | |
2425 | static char *filename = (char *)NULL; | |
2426 | static char *dirname = (char *)NULL; | |
2427 | static char *users_dirname = (char *)NULL; | |
2428 | static int filename_len; | |
cc88a640 JK |
2429 | char *temp, *dentry, *convfn; |
2430 | int dirlen, dentlen, convlen; | |
775e241e | 2431 | int tilde_dirname; |
d60d9f65 SS |
2432 | struct dirent *entry; |
2433 | ||
2434 | /* If we don't have any state, then do some initialization. */ | |
2435 | if (state == 0) | |
2436 | { | |
2437 | /* If we were interrupted before closing the directory or reading | |
2438 | all of its contents, close it. */ | |
2439 | if (directory) | |
2440 | { | |
2441 | closedir (directory); | |
2442 | directory = (DIR *)NULL; | |
2443 | } | |
2444 | FREE (dirname); | |
2445 | FREE (filename); | |
2446 | FREE (users_dirname); | |
2447 | ||
2448 | filename = savestring (text); | |
2449 | if (*text == 0) | |
2450 | text = "."; | |
2451 | dirname = savestring (text); | |
2452 | ||
2453 | temp = strrchr (dirname, '/'); | |
2454 | ||
7f3c5ec8 | 2455 | #if defined (__MSDOS__) || defined (_WIN32) |
1b17e766 | 2456 | /* special hack for //X/... */ |
9255ee31 | 2457 | if (dirname[0] == '/' && dirname[1] == '/' && ISALPHA ((unsigned char)dirname[2]) && dirname[3] == '/') |
1b17e766 EZ |
2458 | temp = strrchr (dirname + 3, '/'); |
2459 | #endif | |
2460 | ||
d60d9f65 SS |
2461 | if (temp) |
2462 | { | |
2463 | strcpy (filename, ++temp); | |
2464 | *temp = '\0'; | |
2465 | } | |
7f3c5ec8 | 2466 | #if defined (__MSDOS__) || (defined (_WIN32) && !defined (__CYGWIN__)) |
1b17e766 | 2467 | /* searches from current directory on the drive */ |
9255ee31 | 2468 | else if (ISALPHA ((unsigned char)dirname[0]) && dirname[1] == ':') |
1b17e766 EZ |
2469 | { |
2470 | strcpy (filename, dirname + 2); | |
2471 | dirname[2] = '\0'; | |
2472 | } | |
cd0040c1 | 2473 | #endif |
d60d9f65 SS |
2474 | else |
2475 | { | |
2476 | dirname[0] = '.'; | |
2477 | dirname[1] = '\0'; | |
2478 | } | |
2479 | ||
2480 | /* We aren't done yet. We also support the "~user" syntax. */ | |
2481 | ||
cc88a640 JK |
2482 | /* Save the version of the directory that the user typed, dequoting |
2483 | it if necessary. */ | |
2484 | if (rl_completion_found_quote && rl_filename_dequoting_function) | |
2485 | users_dirname = (*rl_filename_dequoting_function) (dirname, rl_completion_quote_character); | |
2486 | else | |
2487 | users_dirname = savestring (dirname); | |
d60d9f65 | 2488 | |
775e241e | 2489 | tilde_dirname = 0; |
d60d9f65 SS |
2490 | if (*dirname == '~') |
2491 | { | |
2492 | temp = tilde_expand (dirname); | |
cc88a640 | 2493 | xfree (dirname); |
d60d9f65 | 2494 | dirname = temp; |
775e241e | 2495 | tilde_dirname = 1; |
d60d9f65 SS |
2496 | } |
2497 | ||
cc88a640 JK |
2498 | /* We have saved the possibly-dequoted version of the directory name |
2499 | the user typed. Now transform the directory name we're going to | |
2500 | pass to opendir(2). The directory rewrite hook modifies only the | |
2501 | directory name; the directory completion hook modifies both the | |
2502 | directory name passed to opendir(2) and the version the user | |
2503 | typed. Both the directory completion and rewrite hooks should perform | |
2504 | any necessary dequoting. The hook functions return 1 if they modify | |
2505 | the directory name argument. If either hook returns 0, it should | |
2506 | not modify the directory name pointer passed as an argument. */ | |
9255ee31 EZ |
2507 | if (rl_directory_rewrite_hook) |
2508 | (*rl_directory_rewrite_hook) (&dirname); | |
cc88a640 | 2509 | else if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname)) |
d60d9f65 | 2510 | { |
cc88a640 | 2511 | xfree (users_dirname); |
d60d9f65 SS |
2512 | users_dirname = savestring (dirname); |
2513 | } | |
775e241e | 2514 | else if (tilde_dirname == 0 && rl_completion_found_quote && rl_filename_dequoting_function) |
cc88a640 JK |
2515 | { |
2516 | /* delete single and double quotes */ | |
2517 | xfree (dirname); | |
2518 | dirname = savestring (users_dirname); | |
2519 | } | |
d60d9f65 | 2520 | directory = opendir (dirname); |
cc88a640 | 2521 | |
775e241e TT |
2522 | /* Now dequote a non-null filename. FILENAME will not be NULL, but may |
2523 | be empty. */ | |
2524 | if (*filename && rl_completion_found_quote && rl_filename_dequoting_function) | |
cc88a640 JK |
2525 | { |
2526 | /* delete single and double quotes */ | |
2527 | temp = (*rl_filename_dequoting_function) (filename, rl_completion_quote_character); | |
2528 | xfree (filename); | |
2529 | filename = temp; | |
2530 | } | |
d60d9f65 SS |
2531 | filename_len = strlen (filename); |
2532 | ||
2533 | rl_filename_completion_desired = 1; | |
2534 | } | |
2535 | ||
2536 | /* At this point we should entertain the possibility of hacking wildcarded | |
2537 | filenames, like /usr/man/man<WILD>/te<TAB>. If the directory name | |
2538 | contains globbing characters, then build an array of directories, and | |
2539 | then map over that list while completing. */ | |
2540 | /* *** UNIMPLEMENTED *** */ | |
2541 | ||
2542 | /* Now that we have some state, we can read the directory. */ | |
2543 | ||
2544 | entry = (struct dirent *)NULL; | |
2545 | while (directory && (entry = readdir (directory))) | |
2546 | { | |
cc88a640 JK |
2547 | convfn = dentry = entry->d_name; |
2548 | convlen = dentlen = D_NAMLEN (entry); | |
2549 | ||
2550 | if (rl_filename_rewrite_hook) | |
2551 | { | |
2552 | convfn = (*rl_filename_rewrite_hook) (dentry, dentlen); | |
2553 | convlen = (convfn == dentry) ? dentlen : strlen (convfn); | |
2554 | } | |
2555 | ||
9255ee31 EZ |
2556 | /* Special case for no filename. If the user has disabled the |
2557 | `match-hidden-files' variable, skip filenames beginning with `.'. | |
2558 | All other entries except "." and ".." match. */ | |
d60d9f65 SS |
2559 | if (filename_len == 0) |
2560 | { | |
cc88a640 | 2561 | if (_rl_match_hidden_files == 0 && HIDDEN_FILE (convfn)) |
9255ee31 EZ |
2562 | continue; |
2563 | ||
cc88a640 JK |
2564 | if (convfn[0] != '.' || |
2565 | (convfn[1] && (convfn[1] != '.' || convfn[2]))) | |
d60d9f65 SS |
2566 | break; |
2567 | } | |
2568 | else | |
2569 | { | |
cc88a640 JK |
2570 | if (complete_fncmp (convfn, convlen, filename, filename_len)) |
2571 | break; | |
d60d9f65 SS |
2572 | } |
2573 | } | |
2574 | ||
2575 | if (entry == 0) | |
2576 | { | |
2577 | if (directory) | |
2578 | { | |
2579 | closedir (directory); | |
2580 | directory = (DIR *)NULL; | |
2581 | } | |
2582 | if (dirname) | |
2583 | { | |
cc88a640 | 2584 | xfree (dirname); |
d60d9f65 SS |
2585 | dirname = (char *)NULL; |
2586 | } | |
2587 | if (filename) | |
2588 | { | |
cc88a640 | 2589 | xfree (filename); |
d60d9f65 SS |
2590 | filename = (char *)NULL; |
2591 | } | |
2592 | if (users_dirname) | |
2593 | { | |
cc88a640 | 2594 | xfree (users_dirname); |
d60d9f65 SS |
2595 | users_dirname = (char *)NULL; |
2596 | } | |
2597 | ||
2598 | return (char *)NULL; | |
2599 | } | |
2600 | else | |
2601 | { | |
2602 | /* dirname && (strcmp (dirname, ".") != 0) */ | |
2603 | if (dirname && (dirname[0] != '.' || dirname[1])) | |
2604 | { | |
2605 | if (rl_complete_with_tilde_expansion && *users_dirname == '~') | |
2606 | { | |
2607 | dirlen = strlen (dirname); | |
9255ee31 | 2608 | temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry)); |
d60d9f65 SS |
2609 | strcpy (temp, dirname); |
2610 | /* Canonicalization cuts off any final slash present. We | |
2611 | may need to add it back. */ | |
2612 | if (dirname[dirlen - 1] != '/') | |
2613 | { | |
2614 | temp[dirlen++] = '/'; | |
2615 | temp[dirlen] = '\0'; | |
2616 | } | |
2617 | } | |
2618 | else | |
2619 | { | |
2620 | dirlen = strlen (users_dirname); | |
9255ee31 | 2621 | temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry)); |
d60d9f65 | 2622 | strcpy (temp, users_dirname); |
9255ee31 EZ |
2623 | /* Make sure that temp has a trailing slash here. */ |
2624 | if (users_dirname[dirlen - 1] != '/') | |
2625 | temp[dirlen++] = '/'; | |
d60d9f65 SS |
2626 | } |
2627 | ||
cc88a640 | 2628 | strcpy (temp + dirlen, convfn); |
d60d9f65 SS |
2629 | } |
2630 | else | |
cc88a640 JK |
2631 | temp = savestring (convfn); |
2632 | ||
2633 | if (convfn != dentry) | |
2634 | xfree (convfn); | |
d60d9f65 SS |
2635 | |
2636 | return (temp); | |
2637 | } | |
2638 | } | |
2639 | ||
2640 | /* An initial implementation of a menu completion function a la tcsh. The | |
cc88a640 | 2641 | first time (if the last readline command was not rl_old_menu_complete), we |
d60d9f65 SS |
2642 | generate the list of matches. This code is very similar to the code in |
2643 | rl_complete_internal -- there should be a way to combine the two. Then, | |
2644 | for each item in the list of matches, we insert the match in an undoable | |
2645 | fashion, with the appropriate character appended (this happens on the | |
cc88a640 | 2646 | second and subsequent consecutive calls to rl_old_menu_complete). When we |
d60d9f65 SS |
2647 | hit the end of the match list, we restore the original unmatched text, |
2648 | ring the bell, and reset the counter to zero. */ | |
2649 | int | |
cb41b9e7 | 2650 | rl_old_menu_complete (int count, int invoking_key) |
d60d9f65 | 2651 | { |
9255ee31 | 2652 | rl_compentry_func_t *our_func; |
d60d9f65 SS |
2653 | int matching_filenames, found_quote; |
2654 | ||
2655 | static char *orig_text; | |
2656 | static char **matches = (char **)0; | |
2657 | static int match_list_index = 0; | |
2658 | static int match_list_size = 0; | |
2659 | static int orig_start, orig_end; | |
2660 | static char quote_char; | |
2661 | static int delimiter; | |
2662 | ||
2663 | /* The first time through, we generate the list of matches and set things | |
2664 | up to insert them. */ | |
cc88a640 | 2665 | if (rl_last_func != rl_old_menu_complete) |
d60d9f65 SS |
2666 | { |
2667 | /* Clean up from previous call, if any. */ | |
2668 | FREE (orig_text); | |
2669 | if (matches) | |
9255ee31 | 2670 | _rl_free_match_list (matches); |
d60d9f65 SS |
2671 | |
2672 | match_list_index = match_list_size = 0; | |
2673 | matches = (char **)NULL; | |
2674 | ||
cc88a640 JK |
2675 | rl_completion_invoking_key = invoking_key; |
2676 | ||
2677 | RL_SETSTATE(RL_STATE_COMPLETING); | |
2678 | ||
d60d9f65 | 2679 | /* Only the completion entry function can change these. */ |
9255ee31 | 2680 | set_completion_defaults ('%'); |
d60d9f65 | 2681 | |
cc88a640 JK |
2682 | our_func = rl_menu_completion_entry_function; |
2683 | if (our_func == 0) | |
2684 | our_func = rl_completion_entry_function | |
d60d9f65 | 2685 | ? rl_completion_entry_function |
9255ee31 | 2686 | : rl_filename_completion_function; |
d60d9f65 SS |
2687 | |
2688 | /* We now look backwards for the start of a filename/variable word. */ | |
2689 | orig_end = rl_point; | |
2690 | found_quote = delimiter = 0; | |
2691 | quote_char = '\0'; | |
2692 | ||
2693 | if (rl_point) | |
2694 | /* This (possibly) changes rl_point. If it returns a non-zero char, | |
2695 | we know we have an open quote. */ | |
9255ee31 | 2696 | quote_char = _rl_find_completion_word (&found_quote, &delimiter); |
d60d9f65 SS |
2697 | |
2698 | orig_start = rl_point; | |
2699 | rl_point = orig_end; | |
2700 | ||
2701 | orig_text = rl_copy_text (orig_start, orig_end); | |
2702 | matches = gen_completion_matches (orig_text, orig_start, orig_end, | |
2703 | our_func, found_quote, quote_char); | |
2704 | ||
c862e87b JM |
2705 | /* If we are matching filenames, the attempted completion function will |
2706 | have set rl_filename_completion_desired to a non-zero value. The basic | |
9255ee31 | 2707 | rl_filename_completion_function does this. */ |
c862e87b | 2708 | matching_filenames = rl_filename_completion_desired; |
9255ee31 | 2709 | |
c862e87b | 2710 | if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0) |
d60d9f65 | 2711 | { |
cc88a640 | 2712 | rl_ding (); |
d60d9f65 SS |
2713 | FREE (matches); |
2714 | matches = (char **)0; | |
2715 | FREE (orig_text); | |
2716 | orig_text = (char *)0; | |
cc88a640 JK |
2717 | completion_changed_buffer = 0; |
2718 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
2719 | return (0); | |
d60d9f65 SS |
2720 | } |
2721 | ||
cc88a640 JK |
2722 | RL_UNSETSTATE(RL_STATE_COMPLETING); |
2723 | ||
d60d9f65 SS |
2724 | for (match_list_size = 0; matches[match_list_size]; match_list_size++) |
2725 | ; | |
2726 | /* matches[0] is lcd if match_list_size > 1, but the circular buffer | |
2727 | code below should take care of it. */ | |
cc88a640 JK |
2728 | |
2729 | if (match_list_size > 1 && _rl_complete_show_all) | |
2730 | display_matches (matches); | |
d60d9f65 SS |
2731 | } |
2732 | ||
2733 | /* Now we have the list of matches. Replace the text between | |
2734 | rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with | |
2735 | matches[match_list_index], and add any necessary closing char. */ | |
2736 | ||
2737 | if (matches == 0 || match_list_size == 0) | |
2738 | { | |
9255ee31 | 2739 | rl_ding (); |
d60d9f65 SS |
2740 | FREE (matches); |
2741 | matches = (char **)0; | |
2742 | completion_changed_buffer = 0; | |
2743 | return (0); | |
2744 | } | |
2745 | ||
5bdf8622 | 2746 | match_list_index += count; |
d60d9f65 | 2747 | if (match_list_index < 0) |
cc88a640 JK |
2748 | { |
2749 | while (match_list_index < 0) | |
2750 | match_list_index += match_list_size; | |
2751 | } | |
5bdf8622 DJ |
2752 | else |
2753 | match_list_index %= match_list_size; | |
d60d9f65 | 2754 | |
c862e87b | 2755 | if (match_list_index == 0 && match_list_size > 1) |
d60d9f65 | 2756 | { |
9255ee31 | 2757 | rl_ding (); |
d60d9f65 SS |
2758 | insert_match (orig_text, orig_start, MULT_MATCH, "e_char); |
2759 | } | |
2760 | else | |
2761 | { | |
2762 | insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char); | |
9255ee31 EZ |
2763 | append_to_match (matches[match_list_index], delimiter, quote_char, |
2764 | strcmp (orig_text, matches[match_list_index])); | |
d60d9f65 SS |
2765 | } |
2766 | ||
2767 | completion_changed_buffer = 1; | |
2768 | return (0); | |
2769 | } | |
cc88a640 | 2770 | |
cb41b9e7 TT |
2771 | /* The current version of menu completion. |
2772 | The differences between this function and the original are: | |
2773 | ||
2774 | 1. It honors the maximum number of completions variable (completion-query-items) | |
2775 | 2. It appends to the word as usual if there is only one match | |
2776 | 3. It displays the common prefix if there is one, and makes it the first menu | |
2777 | choice if the menu-complete-display-prefix option is enabled | |
2778 | */ | |
2779 | ||
cc88a640 | 2780 | int |
cb41b9e7 | 2781 | rl_menu_complete (int count, int ignore) |
cc88a640 JK |
2782 | { |
2783 | rl_compentry_func_t *our_func; | |
2784 | int matching_filenames, found_quote; | |
2785 | ||
2786 | static char *orig_text; | |
2787 | static char **matches = (char **)0; | |
2788 | static int match_list_index = 0; | |
2789 | static int match_list_size = 0; | |
2790 | static int nontrivial_lcd = 0; | |
2791 | static int full_completion = 0; /* set to 1 if menu completion should reinitialize on next call */ | |
2792 | static int orig_start, orig_end; | |
2793 | static char quote_char; | |
2794 | static int delimiter, cstate; | |
2795 | ||
2796 | /* The first time through, we generate the list of matches and set things | |
2797 | up to insert them. */ | |
2798 | if ((rl_last_func != rl_menu_complete && rl_last_func != rl_backward_menu_complete) || full_completion) | |
2799 | { | |
2800 | /* Clean up from previous call, if any. */ | |
2801 | FREE (orig_text); | |
2802 | if (matches) | |
2803 | _rl_free_match_list (matches); | |
2804 | ||
2805 | match_list_index = match_list_size = 0; | |
2806 | matches = (char **)NULL; | |
2807 | ||
2808 | full_completion = 0; | |
2809 | ||
2810 | RL_SETSTATE(RL_STATE_COMPLETING); | |
2811 | ||
2812 | /* Only the completion entry function can change these. */ | |
2813 | set_completion_defaults ('%'); | |
2814 | ||
2815 | our_func = rl_menu_completion_entry_function; | |
2816 | if (our_func == 0) | |
2817 | our_func = rl_completion_entry_function | |
2818 | ? rl_completion_entry_function | |
2819 | : rl_filename_completion_function; | |
2820 | ||
2821 | /* We now look backwards for the start of a filename/variable word. */ | |
2822 | orig_end = rl_point; | |
2823 | found_quote = delimiter = 0; | |
2824 | quote_char = '\0'; | |
2825 | ||
2826 | if (rl_point) | |
2827 | /* This (possibly) changes rl_point. If it returns a non-zero char, | |
2828 | we know we have an open quote. */ | |
2829 | quote_char = _rl_find_completion_word (&found_quote, &delimiter); | |
2830 | ||
2831 | orig_start = rl_point; | |
2832 | rl_point = orig_end; | |
2833 | ||
2834 | orig_text = rl_copy_text (orig_start, orig_end); | |
2835 | matches = gen_completion_matches (orig_text, orig_start, orig_end, | |
2836 | our_func, found_quote, quote_char); | |
2837 | ||
2838 | nontrivial_lcd = matches && strcmp (orig_text, matches[0]) != 0; | |
2839 | ||
2840 | /* If we are matching filenames, the attempted completion function will | |
2841 | have set rl_filename_completion_desired to a non-zero value. The basic | |
2842 | rl_filename_completion_function does this. */ | |
2843 | matching_filenames = rl_filename_completion_desired; | |
2844 | ||
2845 | if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0) | |
2846 | { | |
2847 | rl_ding (); | |
2848 | FREE (matches); | |
2849 | matches = (char **)0; | |
2850 | FREE (orig_text); | |
2851 | orig_text = (char *)0; | |
2852 | completion_changed_buffer = 0; | |
2853 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
2854 | return (0); | |
2855 | } | |
2856 | ||
2857 | RL_UNSETSTATE(RL_STATE_COMPLETING); | |
2858 | ||
2859 | for (match_list_size = 0; matches[match_list_size]; match_list_size++) | |
2860 | ; | |
2861 | ||
2862 | if (match_list_size == 0) | |
2863 | { | |
2864 | rl_ding (); | |
2865 | FREE (matches); | |
2866 | matches = (char **)0; | |
2867 | match_list_index = 0; | |
2868 | completion_changed_buffer = 0; | |
2869 | return (0); | |
2870 | } | |
2871 | ||
2872 | /* matches[0] is lcd if match_list_size > 1, but the circular buffer | |
2873 | code below should take care of it. */ | |
2874 | if (*matches[0]) | |
2875 | { | |
2876 | insert_match (matches[0], orig_start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); | |
2877 | orig_end = orig_start + strlen (matches[0]); | |
2878 | completion_changed_buffer = STREQ (orig_text, matches[0]) == 0; | |
2879 | } | |
2880 | ||
2881 | if (match_list_size > 1 && _rl_complete_show_all) | |
2882 | { | |
2883 | display_matches (matches); | |
2884 | /* If there are so many matches that the user has to be asked | |
2885 | whether or not he wants to see the matches, menu completion | |
2886 | is unwieldy. */ | |
2887 | if (rl_completion_query_items > 0 && match_list_size >= rl_completion_query_items) | |
2888 | { | |
2889 | rl_ding (); | |
2890 | FREE (matches); | |
2891 | matches = (char **)0; | |
2892 | full_completion = 1; | |
2893 | return (0); | |
2894 | } | |
775e241e TT |
2895 | else if (_rl_menu_complete_prefix_first) |
2896 | { | |
2897 | rl_ding (); | |
2898 | return (0); | |
2899 | } | |
cc88a640 JK |
2900 | } |
2901 | else if (match_list_size <= 1) | |
2902 | { | |
2903 | append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd); | |
2904 | full_completion = 1; | |
2905 | return (0); | |
2906 | } | |
2907 | else if (_rl_menu_complete_prefix_first && match_list_size > 1) | |
2908 | { | |
2909 | rl_ding (); | |
2910 | return (0); | |
2911 | } | |
2912 | } | |
2913 | ||
2914 | /* Now we have the list of matches. Replace the text between | |
2915 | rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with | |
2916 | matches[match_list_index], and add any necessary closing char. */ | |
2917 | ||
2918 | if (matches == 0 || match_list_size == 0) | |
2919 | { | |
2920 | rl_ding (); | |
2921 | FREE (matches); | |
2922 | matches = (char **)0; | |
2923 | completion_changed_buffer = 0; | |
2924 | return (0); | |
2925 | } | |
2926 | ||
2927 | match_list_index += count; | |
2928 | if (match_list_index < 0) | |
2929 | { | |
2930 | while (match_list_index < 0) | |
2931 | match_list_index += match_list_size; | |
2932 | } | |
2933 | else | |
2934 | match_list_index %= match_list_size; | |
2935 | ||
2936 | if (match_list_index == 0 && match_list_size > 1) | |
2937 | { | |
2938 | rl_ding (); | |
2939 | insert_match (matches[0], orig_start, MULT_MATCH, "e_char); | |
2940 | } | |
2941 | else | |
2942 | { | |
2943 | insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char); | |
2944 | append_to_match (matches[match_list_index], delimiter, quote_char, | |
2945 | strcmp (orig_text, matches[match_list_index])); | |
2946 | } | |
2947 | ||
2948 | completion_changed_buffer = 1; | |
2949 | return (0); | |
2950 | } | |
2951 | ||
2952 | int | |
cb41b9e7 | 2953 | rl_backward_menu_complete (int count, int key) |
cc88a640 JK |
2954 | { |
2955 | /* Positive arguments to backward-menu-complete translate into negative | |
2956 | arguments for menu-complete, and vice versa. */ | |
2957 | return (rl_menu_complete (-count, key)); | |
2958 | } |