1/* $FreeBSD: head/contrib/libreadline/complete.c 136758 2004-10-21 20:02:02Z peter $ */
2
| 1/* $FreeBSD: head/contrib/libreadline/complete.c 157188 2006-03-27 23:11:32Z ache $ */
|
3/* complete.c -- filename completion for readline. */
4
| 2/* complete.c -- filename completion for readline. */
3
|
5/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
| 4/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
|
6
7 This file is part of the GNU Readline Library, a library for
8 reading lines of text with interactive input and history editing.
9
10 The GNU Readline Library is free software; you can redistribute it
11 and/or modify it under the terms of the GNU General Public License
12 as published by the Free Software Foundation; either version 2, or
13 (at your option) any later version.
14
15 The GNU Readline Library is distributed in the hope that it will be
16 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
17 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 The GNU General Public License is often shipped with GNU software, and
21 is generally kept in a file called COPYING or LICENSE. If you do not
22 have a copy of the license, write to the Free Software Foundation,
23 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
24#define READLINE_LIBRARY
25
26#if defined (HAVE_CONFIG_H)
27# include <config.h>
28#endif
29
30#include <sys/types.h>
31#include <fcntl.h>
32#if defined (HAVE_SYS_FILE_H)
33# include <sys/file.h>
34#endif
35
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)
50extern int errno;
51#endif /* !errno */
52
| 5
6 This file is part of the GNU Readline Library, a library for
7 reading lines of text with interactive input and history editing.
8
9 The GNU Readline Library is free software; you can redistribute it
10 and/or modify it under the terms of the GNU General Public License
11 as published by the Free Software Foundation; either version 2, or
12 (at your option) any later version.
13
14 The GNU Readline Library is distributed in the hope that it will be
15 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
16 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 The GNU General Public License is often shipped with GNU software, and
20 is generally kept in a file called COPYING or LICENSE. If you do not
21 have a copy of the license, write to the Free Software Foundation,
22 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
23#define READLINE_LIBRARY
24
25#if defined (HAVE_CONFIG_H)
26# include <config.h>
27#endif
28
29#include <sys/types.h>
30#include <fcntl.h>
31#if defined (HAVE_SYS_FILE_H)
32# include <sys/file.h>
33#endif
34
35#if defined (HAVE_UNISTD_H)
36# include <unistd.h>
37#endif /* HAVE_UNISTD_H */
38
39#if defined (HAVE_STDLIB_H)
40# include <stdlib.h>
41#else
42# include "ansi_stdlib.h"
43#endif /* HAVE_STDLIB_H */
44
45#include <stdio.h>
46
47#include <errno.h>
48#if !defined (errno)
49extern int errno;
50#endif /* !errno */
51
|
| 52#if defined (HAVE_PWD_H)
|
53#include <pwd.h>
| 53#include <pwd.h>
|
| 54#endif
|
54
55#include "posixdir.h"
56#include "posixstat.h"
57
58/* System-specific feature definitions and include files. */
59#include "rldefs.h"
60#include "rlmbutil.h"
61
62/* Some standard library routines. */
63#include "readline.h"
64#include "xmalloc.h"
65#include "rlprivate.h"
66
67#ifdef __STDC__
68typedef int QSFUNC (const void *, const void *);
69#else
70typedef int QSFUNC ();
71#endif
72
73#ifdef HAVE_LSTAT
74# define LSTAT lstat
75#else
76# define LSTAT stat
77#endif
78
79/* Unix version of a hidden file. Could be different on other systems. */
80#define HIDDEN_FILE(fname) ((fname)[0] == '.')
81
82/* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is
83 defined. */
| 55
56#include "posixdir.h"
57#include "posixstat.h"
58
59/* System-specific feature definitions and include files. */
60#include "rldefs.h"
61#include "rlmbutil.h"
62
63/* Some standard library routines. */
64#include "readline.h"
65#include "xmalloc.h"
66#include "rlprivate.h"
67
68#ifdef __STDC__
69typedef int QSFUNC (const void *, const void *);
70#else
71typedef int QSFUNC ();
72#endif
73
74#ifdef HAVE_LSTAT
75# define LSTAT lstat
76#else
77# define LSTAT stat
78#endif
79
80/* Unix version of a hidden file. Could be different on other systems. */
81#define HIDDEN_FILE(fname) ((fname)[0] == '.')
82
83/* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is
84 defined. */
|
84#if !defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE)
| 85#if defined (HAVE_GETPWENT) && (!defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE))
|
85extern struct passwd *getpwent PARAMS((void));
| 86extern struct passwd *getpwent PARAMS((void));
|
86#endif /* !HAVE_GETPW_DECLS || _POSIX_SOURCE */
| 87#endif /* HAVE_GETPWENT && (!HAVE_GETPW_DECLS || _POSIX_SOURCE) */
|
87
88/* If non-zero, then this is the address of a function to call when
89 completing a word would normally display the list of possible matches.
90 This function is called instead of actually doing the display.
91 It takes three arguments: (char **matches, int num_matches, int max_length)
92 where MATCHES is the array of strings that matched, NUM_MATCHES is the
93 number of strings in that array, and MAX_LENGTH is the length of the
94 longest string in that array. */
95rl_compdisp_func_t *rl_completion_display_matches_hook = (rl_compdisp_func_t *)NULL;
96
97#if defined (VISIBLE_STATS)
98# if !defined (X_OK)
99# define X_OK 1
100# endif
101static int stat_char PARAMS((char *));
102#endif
103
104static int path_isdir PARAMS((const char *));
105
106static char *rl_quote_filename PARAMS((char *, int, char *));
107
108static void set_completion_defaults PARAMS((int));
109static int get_y_or_n PARAMS((int));
110static int _rl_internal_pager PARAMS((int));
111static char *printable_part PARAMS((char *));
112static int fnwidth PARAMS((const char *));
113static int fnprint PARAMS((const char *));
114static int print_filename PARAMS((char *, char *));
115
116static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int));
117
118static char **remove_duplicate_matches PARAMS((char **));
119static void insert_match PARAMS((char *, int, int, char *));
120static int append_to_match PARAMS((char *, int, int, int));
121static void insert_all_matches PARAMS((char **, int, char *));
122static void display_matches PARAMS((char **));
123static int compute_lcd_of_matches PARAMS((char **, int, const char *));
124static int postprocess_matches PARAMS((char ***, int));
125
126static char *make_quoted_replacement PARAMS((char *, int, char *));
127
128/* **************************************************************** */
129/* */
130/* Completion matching, from readline's point of view. */
131/* */
132/* **************************************************************** */
133
134/* Variables known only to the readline library. */
135
136/* If non-zero, non-unique completions always show the list of matches. */
137int _rl_complete_show_all = 0;
138
139/* If non-zero, non-unique completions show the list of matches, unless it
140 is not possible to do partial completion and modify the line. */
141int _rl_complete_show_unmodified = 0;
142
143/* If non-zero, completed directory names have a slash appended. */
144int _rl_complete_mark_directories = 1;
145
146/* If non-zero, the symlinked directory completion behavior introduced in
147 readline-4.2a is disabled, and symlinks that point to directories have
148 a slash appended (subject to the value of _rl_complete_mark_directories).
149 This is user-settable via the mark-symlinked-directories variable. */
150int _rl_complete_mark_symlink_dirs = 0;
151
152/* If non-zero, completions are printed horizontally in alphabetical order,
153 like `ls -x'. */
154int _rl_print_completions_horizontally;
155
156/* Non-zero means that case is not significant in filename completion. */
157#if defined (__MSDOS__) && !defined (__DJGPP__)
158int _rl_completion_case_fold = 1;
159#else
160int _rl_completion_case_fold;
161#endif
162
163/* If non-zero, don't match hidden files (filenames beginning with a `.' on
164 Unix) when doing filename completion. */
165int _rl_match_hidden_files = 1;
166
167/* Global variables available to applications using readline. */
168
169#if defined (VISIBLE_STATS)
170/* Non-zero means add an additional character to each filename displayed
171 during listing completion iff rl_filename_completion_desired which helps
172 to indicate the type of file being listed. */
173int rl_visible_stats = 0;
174#endif /* VISIBLE_STATS */
175
176/* If non-zero, then this is the address of a function to call when
177 completing on a directory name. The function is called with
178 the address of a string (the current directory name) as an arg. */
179rl_icppfunc_t *rl_directory_completion_hook = (rl_icppfunc_t *)NULL;
180
181rl_icppfunc_t *rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL;
182
183/* Non-zero means readline completion functions perform tilde expansion. */
184int rl_complete_with_tilde_expansion = 0;
185
186/* Pointer to the generator function for completion_matches ().
187 NULL means to use rl_filename_completion_function (), the default filename
188 completer. */
189rl_compentry_func_t *rl_completion_entry_function = (rl_compentry_func_t *)NULL;
190
191/* Pointer to alternative function to create matches.
192 Function is called with TEXT, START, and END.
193 START and END are indices in RL_LINE_BUFFER saying what the boundaries
194 of TEXT are.
195 If this function exists and returns NULL then call the value of
196 rl_completion_entry_function to try to match, otherwise use the
197 array of strings returned. */
198rl_completion_func_t *rl_attempted_completion_function = (rl_completion_func_t *)NULL;
199
200/* Non-zero means to suppress normal filename completion after the
201 user-specified completion function has been called. */
202int rl_attempted_completion_over = 0;
203
204/* Set to a character indicating the type of completion being performed
205 by rl_complete_internal, available for use by application completion
206 functions. */
207int rl_completion_type = 0;
208
209/* Up to this many items will be displayed in response to a
210 possible-completions call. After that, we ask the user if
| 88
89/* If non-zero, then this is the address of a function to call when
90 completing a word would normally display the list of possible matches.
91 This function is called instead of actually doing the display.
92 It takes three arguments: (char **matches, int num_matches, int max_length)
93 where MATCHES is the array of strings that matched, NUM_MATCHES is the
94 number of strings in that array, and MAX_LENGTH is the length of the
95 longest string in that array. */
96rl_compdisp_func_t *rl_completion_display_matches_hook = (rl_compdisp_func_t *)NULL;
97
98#if defined (VISIBLE_STATS)
99# if !defined (X_OK)
100# define X_OK 1
101# endif
102static int stat_char PARAMS((char *));
103#endif
104
105static int path_isdir PARAMS((const char *));
106
107static char *rl_quote_filename PARAMS((char *, int, char *));
108
109static void set_completion_defaults PARAMS((int));
110static int get_y_or_n PARAMS((int));
111static int _rl_internal_pager PARAMS((int));
112static char *printable_part PARAMS((char *));
113static int fnwidth PARAMS((const char *));
114static int fnprint PARAMS((const char *));
115static int print_filename PARAMS((char *, char *));
116
117static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int));
118
119static char **remove_duplicate_matches PARAMS((char **));
120static void insert_match PARAMS((char *, int, int, char *));
121static int append_to_match PARAMS((char *, int, int, int));
122static void insert_all_matches PARAMS((char **, int, char *));
123static void display_matches PARAMS((char **));
124static int compute_lcd_of_matches PARAMS((char **, int, const char *));
125static int postprocess_matches PARAMS((char ***, int));
126
127static char *make_quoted_replacement PARAMS((char *, int, char *));
128
129/* **************************************************************** */
130/* */
131/* Completion matching, from readline's point of view. */
132/* */
133/* **************************************************************** */
134
135/* Variables known only to the readline library. */
136
137/* If non-zero, non-unique completions always show the list of matches. */
138int _rl_complete_show_all = 0;
139
140/* If non-zero, non-unique completions show the list of matches, unless it
141 is not possible to do partial completion and modify the line. */
142int _rl_complete_show_unmodified = 0;
143
144/* If non-zero, completed directory names have a slash appended. */
145int _rl_complete_mark_directories = 1;
146
147/* If non-zero, the symlinked directory completion behavior introduced in
148 readline-4.2a is disabled, and symlinks that point to directories have
149 a slash appended (subject to the value of _rl_complete_mark_directories).
150 This is user-settable via the mark-symlinked-directories variable. */
151int _rl_complete_mark_symlink_dirs = 0;
152
153/* If non-zero, completions are printed horizontally in alphabetical order,
154 like `ls -x'. */
155int _rl_print_completions_horizontally;
156
157/* Non-zero means that case is not significant in filename completion. */
158#if defined (__MSDOS__) && !defined (__DJGPP__)
159int _rl_completion_case_fold = 1;
160#else
161int _rl_completion_case_fold;
162#endif
163
164/* If non-zero, don't match hidden files (filenames beginning with a `.' on
165 Unix) when doing filename completion. */
166int _rl_match_hidden_files = 1;
167
168/* Global variables available to applications using readline. */
169
170#if defined (VISIBLE_STATS)
171/* Non-zero means add an additional character to each filename displayed
172 during listing completion iff rl_filename_completion_desired which helps
173 to indicate the type of file being listed. */
174int rl_visible_stats = 0;
175#endif /* VISIBLE_STATS */
176
177/* If non-zero, then this is the address of a function to call when
178 completing on a directory name. The function is called with
179 the address of a string (the current directory name) as an arg. */
180rl_icppfunc_t *rl_directory_completion_hook = (rl_icppfunc_t *)NULL;
181
182rl_icppfunc_t *rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL;
183
184/* Non-zero means readline completion functions perform tilde expansion. */
185int rl_complete_with_tilde_expansion = 0;
186
187/* Pointer to the generator function for completion_matches ().
188 NULL means to use rl_filename_completion_function (), the default filename
189 completer. */
190rl_compentry_func_t *rl_completion_entry_function = (rl_compentry_func_t *)NULL;
191
192/* Pointer to alternative function to create matches.
193 Function is called with TEXT, START, and END.
194 START and END are indices in RL_LINE_BUFFER saying what the boundaries
195 of TEXT are.
196 If this function exists and returns NULL then call the value of
197 rl_completion_entry_function to try to match, otherwise use the
198 array of strings returned. */
199rl_completion_func_t *rl_attempted_completion_function = (rl_completion_func_t *)NULL;
200
201/* Non-zero means to suppress normal filename completion after the
202 user-specified completion function has been called. */
203int rl_attempted_completion_over = 0;
204
205/* Set to a character indicating the type of completion being performed
206 by rl_complete_internal, available for use by application completion
207 functions. */
208int rl_completion_type = 0;
209
210/* Up to this many items will be displayed in response to a
211 possible-completions call. After that, we ask the user if
|
211 she is sure she wants to see them all. */
| 212 she is sure she wants to see them all. A negative value means
213 don't ask. */
|
212int rl_completion_query_items = 100;
213
214int _rl_page_completions = 1;
215
216/* The basic list of characters that signal a break between words for the
217 completer routine. The contents of this variable is what breaks words
218 in the shell, i.e. " \t\n\"\\'`@$><=" */
219const char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; /* }) */
220
221/* List of basic quoting characters. */
222const char *rl_basic_quote_characters = "\"'";
223
224/* The list of characters that signal a break between words for
225 rl_complete_internal. The default list is the contents of
226 rl_basic_word_break_characters. */
227/*const*/ char *rl_completer_word_break_characters = (/*const*/ char *)NULL;
228
229/* Hook function to allow an application to set the completion word
230 break characters before readline breaks up the line. Allows
231 position-dependent word break characters. */
232rl_cpvfunc_t *rl_completion_word_break_hook = (rl_cpvfunc_t *)NULL;
233
234/* List of characters which can be used to quote a substring of the line.
235 Completion occurs on the entire substring, and within the substring
236 rl_completer_word_break_characters are treated as any other character,
237 unless they also appear within this list. */
238const char *rl_completer_quote_characters = (const char *)NULL;
239
240/* List of characters that should be quoted in filenames by the completer. */
241const char *rl_filename_quote_characters = (const char *)NULL;
242
243/* List of characters that are word break characters, but should be left
244 in TEXT when it is passed to the completion function. The shell uses
245 this to help determine what kind of completing to do. */
246const char *rl_special_prefixes = (const char *)NULL;
247
248/* If non-zero, then disallow duplicates in the matches. */
249int rl_ignore_completion_duplicates = 1;
250
251/* Non-zero means that the results of the matches are to be treated
252 as filenames. This is ALWAYS zero on entry, and can only be changed
253 within a completion entry finder function. */
254int rl_filename_completion_desired = 0;
255
256/* Non-zero means that the results of the matches are to be quoted using
257 double quotes (or an application-specific quoting mechanism) if the
258 filename contains any characters in rl_filename_quote_chars. This is
259 ALWAYS non-zero on entry, and can only be changed within a completion
260 entry finder function. */
261int rl_filename_quoting_desired = 1;
262
263/* This function, if defined, is called by the completer when real
264 filename completion is done, after all the matching names have been
265 generated. It is passed a (char**) known as matches in the code below.
266 It consists of a NULL-terminated array of pointers to potential
267 matching strings. The 1st element (matches[0]) is the maximal
268 substring that is common to all matches. This function can re-arrange
269 the list of matches as required, but all elements of the array must be
270 free()'d if they are deleted. The main intent of this function is
271 to implement FIGNORE a la SunOS csh. */
272rl_compignore_func_t *rl_ignore_some_completions_function = (rl_compignore_func_t *)NULL;
273
274/* Set to a function to quote a filename in an application-specific fashion.
275 Called with the text to quote, the type of match found (single or multiple)
276 and a pointer to the quoting character to be used, which the function can
277 reset if desired. */
278rl_quote_func_t *rl_filename_quoting_function = rl_quote_filename;
279
280/* Function to call to remove quoting characters from a filename. Called
281 before completion is attempted, so the embedded quotes do not interfere
282 with matching names in the file system. Readline doesn't do anything
283 with this; it's set only by applications. */
284rl_dequote_func_t *rl_filename_dequoting_function = (rl_dequote_func_t *)NULL;
285
286/* Function to call to decide whether or not a word break character is
287 quoted. If a character is quoted, it does not break words for the
288 completer. */
289rl_linebuf_func_t *rl_char_is_quoted_p = (rl_linebuf_func_t *)NULL;
290
291/* If non-zero, the completion functions don't append anything except a
292 possible closing quote. This is set to 0 by rl_complete_internal and
293 may be changed by an application-specific completion function. */
294int rl_completion_suppress_append = 0;
295
296/* Character appended to completed words when at the end of the line. The
297 default is a space. */
298int rl_completion_append_character = ' ';
299
300/* If non-zero, the completion functions don't append any closing quote.
301 This is set to 0 by rl_complete_internal and may be changed by an
302 application-specific completion function. */
303int rl_completion_suppress_quote = 0;
304
305/* Set to any quote character readline thinks it finds before any application
306 completion function is called. */
307int rl_completion_quote_character;
308
309/* Set to a non-zero value if readline found quoting anywhere in the word to
310 be completed; set before any application completion function is called. */
311int rl_completion_found_quote;
312
313/* If non-zero, a slash will be appended to completed filenames that are
314 symbolic links to directory names, subject to the value of the
315 mark-directories variable (which is user-settable). This exists so
316 that application completion functions can override the user's preference
317 (set via the mark-symlinked-directories variable) if appropriate.
318 It's set to the value of _rl_complete_mark_symlink_dirs in
319 rl_complete_internal before any application-specific completion
320 function is called, so without that function doing anything, the user's
321 preferences are honored. */
322int rl_completion_mark_symlink_dirs;
323
324/* If non-zero, inhibit completion (temporarily). */
325int rl_inhibit_completion;
326
327/* Variables local to this file. */
328
329/* Local variable states what happened during the last completion attempt. */
330static int completion_changed_buffer;
331
332/*************************************/
333/* */
334/* Bindable completion functions */
335/* */
336/*************************************/
337
338/* Complete the word at or before point. You have supplied the function
339 that does the initial simple matching selection algorithm (see
340 rl_completion_matches ()). The default is to do filename completion. */
341int
342rl_complete (ignore, invoking_key)
343 int ignore, invoking_key;
344{
345 if (rl_inhibit_completion)
346 return (_rl_insert_char (ignore, invoking_key));
347 else if (rl_last_func == rl_complete && !completion_changed_buffer)
348 return (rl_complete_internal ('?'));
349 else if (_rl_complete_show_all)
350 return (rl_complete_internal ('!'));
351 else if (_rl_complete_show_unmodified)
352 return (rl_complete_internal ('@'));
353 else
354 return (rl_complete_internal (TAB));
355}
356
357/* List the possible completions. See description of rl_complete (). */
358int
359rl_possible_completions (ignore, invoking_key)
360 int ignore, invoking_key;
361{
362 return (rl_complete_internal ('?'));
363}
364
365int
366rl_insert_completions (ignore, invoking_key)
367 int ignore, invoking_key;
368{
369 return (rl_complete_internal ('*'));
370}
371
372/* Return the correct value to pass to rl_complete_internal performing
373 the same tests as rl_complete. This allows consecutive calls to an
374 application's completion function to list possible completions and for
375 an application-specific completion function to honor the
376 show-all-if-ambiguous readline variable. */
377int
378rl_completion_mode (cfunc)
379 rl_command_func_t *cfunc;
380{
381 if (rl_last_func == cfunc && !completion_changed_buffer)
382 return '?';
383 else if (_rl_complete_show_all)
384 return '!';
385 else if (_rl_complete_show_unmodified)
386 return '@';
387 else
388 return TAB;
389}
390
391/************************************/
392/* */
393/* Completion utility functions */
394/* */
395/************************************/
396
397/* Set default values for readline word completion. These are the variables
398 that application completion functions can change or inspect. */
399static void
400set_completion_defaults (what_to_do)
401 int what_to_do;
402{
403 /* Only the completion entry function can change these. */
404 rl_filename_completion_desired = 0;
405 rl_filename_quoting_desired = 1;
406 rl_completion_type = what_to_do;
407 rl_completion_suppress_append = rl_completion_suppress_quote = 0;
408
409 /* The completion entry function may optionally change this. */
410 rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs;
411}
412
413/* The user must press "y" or "n". Non-zero return means "y" pressed. */
414static int
415get_y_or_n (for_pager)
416 int for_pager;
417{
418 int c;
419
420 for (;;)
421 {
422 RL_SETSTATE(RL_STATE_MOREINPUT);
423 c = rl_read_key ();
424 RL_UNSETSTATE(RL_STATE_MOREINPUT);
425
426 if (c == 'y' || c == 'Y' || c == ' ')
427 return (1);
428 if (c == 'n' || c == 'N' || c == RUBOUT)
429 return (0);
430 if (c == ABORT_CHAR)
431 _rl_abort_internal ();
432 if (for_pager && (c == NEWLINE || c == RETURN))
433 return (2);
434 if (for_pager && (c == 'q' || c == 'Q'))
435 return (0);
436 rl_ding ();
437 }
438}
439
440static int
441_rl_internal_pager (lines)
442 int lines;
443{
444 int i;
445
446 fprintf (rl_outstream, "--More--");
447 fflush (rl_outstream);
448 i = get_y_or_n (1);
449 _rl_erase_entire_line ();
450 if (i == 0)
451 return -1;
452 else if (i == 2)
453 return (lines - 1);
454 else
455 return 0;
456}
457
458static int
459path_isdir (filename)
460 const char *filename;
461{
462 struct stat finfo;
463
464 return (stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode));
465}
466
467#if defined (VISIBLE_STATS)
468/* Return the character which best describes FILENAME.
469 `@' for symbolic links
470 `/' for directories
471 `*' for executables
472 `=' for sockets
473 `|' for FIFOs
474 `%' for character special devices
475 `#' for block special devices */
476static int
477stat_char (filename)
478 char *filename;
479{
480 struct stat finfo;
481 int character, r;
482
483#if defined (HAVE_LSTAT) && defined (S_ISLNK)
484 r = lstat (filename, &finfo);
485#else
486 r = stat (filename, &finfo);
487#endif
488
489 if (r == -1)
490 return (0);
491
492 character = 0;
493 if (S_ISDIR (finfo.st_mode))
494 character = '/';
495#if defined (S_ISCHR)
496 else if (S_ISCHR (finfo.st_mode))
497 character = '%';
498#endif /* S_ISCHR */
499#if defined (S_ISBLK)
500 else if (S_ISBLK (finfo.st_mode))
501 character = '#';
502#endif /* S_ISBLK */
503#if defined (S_ISLNK)
504 else if (S_ISLNK (finfo.st_mode))
505 character = '@';
506#endif /* S_ISLNK */
507#if defined (S_ISSOCK)
508 else if (S_ISSOCK (finfo.st_mode))
509 character = '=';
510#endif /* S_ISSOCK */
511#if defined (S_ISFIFO)
512 else if (S_ISFIFO (finfo.st_mode))
513 character = '|';
514#endif
515 else if (S_ISREG (finfo.st_mode))
516 {
517 if (access (filename, X_OK) == 0)
518 character = '*';
519 }
520 return (character);
521}
522#endif /* VISIBLE_STATS */
523
524/* Return the portion of PATHNAME that should be output when listing
525 possible completions. If we are hacking filename completion, we
526 are only interested in the basename, the portion following the
527 final slash. Otherwise, we return what we were passed. Since
528 printing empty strings is not very informative, if we're doing
529 filename completion, and the basename is the empty string, we look
530 for the previous slash and return the portion following that. If
531 there's no previous slash, we just return what we were passed. */
532static char *
533printable_part (pathname)
534 char *pathname;
535{
536 char *temp, *x;
537
538 if (rl_filename_completion_desired == 0) /* don't need to do anything */
539 return (pathname);
540
541 temp = strrchr (pathname, '/');
542#if defined (__MSDOS__)
543 if (temp == 0 && ISALPHA ((unsigned char)pathname[0]) && pathname[1] == ':')
544 temp = pathname + 1;
545#endif
546
547 if (temp == 0 || *temp == '\0')
548 return (pathname);
549 /* If the basename is NULL, we might have a pathname like '/usr/src/'.
550 Look for a previous slash and, if one is found, return the portion
551 following that slash. If there's no previous slash, just return the
552 pathname we were passed. */
553 else if (temp[1] == '\0')
554 {
555 for (x = temp - 1; x > pathname; x--)
556 if (*x == '/')
557 break;
558 return ((*x == '/') ? x + 1 : pathname);
559 }
560 else
561 return ++temp;
562}
563
564/* Compute width of STRING when displayed on screen by print_filename */
565static int
566fnwidth (string)
567 const char *string;
568{
569 int width, pos;
570#if defined (HANDLE_MULTIBYTE)
571 mbstate_t ps;
572 int left, w;
573 size_t clen;
574 wchar_t wc;
575
576 left = strlen (string) + 1;
577 memset (&ps, 0, sizeof (mbstate_t));
578#endif
579
580 width = pos = 0;
581 while (string[pos])
582 {
583 if (CTRL_CHAR (*string) || *string == RUBOUT)
584 {
585 width += 2;
586 pos++;
587 }
588 else
589 {
590#if defined (HANDLE_MULTIBYTE)
591 clen = mbrtowc (&wc, string + pos, left - pos, &ps);
592 if (MB_INVALIDCH (clen))
593 {
594 width++;
595 pos++;
596 memset (&ps, 0, sizeof (mbstate_t));
597 }
598 else if (MB_NULLWCH (clen))
599 break;
600 else
601 {
602 pos += clen;
603 w = wcwidth (wc);
604 width += (w >= 0) ? w : 1;
605 }
606#else
607 width++;
608 pos++;
609#endif
610 }
611 }
612
613 return width;
614}
615
616static int
617fnprint (to_print)
618 const char *to_print;
619{
620 int printed_len;
621 const char *s;
622#if defined (HANDLE_MULTIBYTE)
623 mbstate_t ps;
624 const char *end;
625 size_t tlen;
| 214int rl_completion_query_items = 100;
215
216int _rl_page_completions = 1;
217
218/* The basic list of characters that signal a break between words for the
219 completer routine. The contents of this variable is what breaks words
220 in the shell, i.e. " \t\n\"\\'`@$><=" */
221const char *rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&{("; /* }) */
222
223/* List of basic quoting characters. */
224const char *rl_basic_quote_characters = "\"'";
225
226/* The list of characters that signal a break between words for
227 rl_complete_internal. The default list is the contents of
228 rl_basic_word_break_characters. */
229/*const*/ char *rl_completer_word_break_characters = (/*const*/ char *)NULL;
230
231/* Hook function to allow an application to set the completion word
232 break characters before readline breaks up the line. Allows
233 position-dependent word break characters. */
234rl_cpvfunc_t *rl_completion_word_break_hook = (rl_cpvfunc_t *)NULL;
235
236/* List of characters which can be used to quote a substring of the line.
237 Completion occurs on the entire substring, and within the substring
238 rl_completer_word_break_characters are treated as any other character,
239 unless they also appear within this list. */
240const char *rl_completer_quote_characters = (const char *)NULL;
241
242/* List of characters that should be quoted in filenames by the completer. */
243const char *rl_filename_quote_characters = (const char *)NULL;
244
245/* List of characters that are word break characters, but should be left
246 in TEXT when it is passed to the completion function. The shell uses
247 this to help determine what kind of completing to do. */
248const char *rl_special_prefixes = (const char *)NULL;
249
250/* If non-zero, then disallow duplicates in the matches. */
251int rl_ignore_completion_duplicates = 1;
252
253/* Non-zero means that the results of the matches are to be treated
254 as filenames. This is ALWAYS zero on entry, and can only be changed
255 within a completion entry finder function. */
256int rl_filename_completion_desired = 0;
257
258/* Non-zero means that the results of the matches are to be quoted using
259 double quotes (or an application-specific quoting mechanism) if the
260 filename contains any characters in rl_filename_quote_chars. This is
261 ALWAYS non-zero on entry, and can only be changed within a completion
262 entry finder function. */
263int rl_filename_quoting_desired = 1;
264
265/* This function, if defined, is called by the completer when real
266 filename completion is done, after all the matching names have been
267 generated. It is passed a (char**) known as matches in the code below.
268 It consists of a NULL-terminated array of pointers to potential
269 matching strings. The 1st element (matches[0]) is the maximal
270 substring that is common to all matches. This function can re-arrange
271 the list of matches as required, but all elements of the array must be
272 free()'d if they are deleted. The main intent of this function is
273 to implement FIGNORE a la SunOS csh. */
274rl_compignore_func_t *rl_ignore_some_completions_function = (rl_compignore_func_t *)NULL;
275
276/* Set to a function to quote a filename in an application-specific fashion.
277 Called with the text to quote, the type of match found (single or multiple)
278 and a pointer to the quoting character to be used, which the function can
279 reset if desired. */
280rl_quote_func_t *rl_filename_quoting_function = rl_quote_filename;
281
282/* Function to call to remove quoting characters from a filename. Called
283 before completion is attempted, so the embedded quotes do not interfere
284 with matching names in the file system. Readline doesn't do anything
285 with this; it's set only by applications. */
286rl_dequote_func_t *rl_filename_dequoting_function = (rl_dequote_func_t *)NULL;
287
288/* Function to call to decide whether or not a word break character is
289 quoted. If a character is quoted, it does not break words for the
290 completer. */
291rl_linebuf_func_t *rl_char_is_quoted_p = (rl_linebuf_func_t *)NULL;
292
293/* If non-zero, the completion functions don't append anything except a
294 possible closing quote. This is set to 0 by rl_complete_internal and
295 may be changed by an application-specific completion function. */
296int rl_completion_suppress_append = 0;
297
298/* Character appended to completed words when at the end of the line. The
299 default is a space. */
300int rl_completion_append_character = ' ';
301
302/* If non-zero, the completion functions don't append any closing quote.
303 This is set to 0 by rl_complete_internal and may be changed by an
304 application-specific completion function. */
305int rl_completion_suppress_quote = 0;
306
307/* Set to any quote character readline thinks it finds before any application
308 completion function is called. */
309int rl_completion_quote_character;
310
311/* Set to a non-zero value if readline found quoting anywhere in the word to
312 be completed; set before any application completion function is called. */
313int rl_completion_found_quote;
314
315/* If non-zero, a slash will be appended to completed filenames that are
316 symbolic links to directory names, subject to the value of the
317 mark-directories variable (which is user-settable). This exists so
318 that application completion functions can override the user's preference
319 (set via the mark-symlinked-directories variable) if appropriate.
320 It's set to the value of _rl_complete_mark_symlink_dirs in
321 rl_complete_internal before any application-specific completion
322 function is called, so without that function doing anything, the user's
323 preferences are honored. */
324int rl_completion_mark_symlink_dirs;
325
326/* If non-zero, inhibit completion (temporarily). */
327int rl_inhibit_completion;
328
329/* Variables local to this file. */
330
331/* Local variable states what happened during the last completion attempt. */
332static int completion_changed_buffer;
333
334/*************************************/
335/* */
336/* Bindable completion functions */
337/* */
338/*************************************/
339
340/* Complete the word at or before point. You have supplied the function
341 that does the initial simple matching selection algorithm (see
342 rl_completion_matches ()). The default is to do filename completion. */
343int
344rl_complete (ignore, invoking_key)
345 int ignore, invoking_key;
346{
347 if (rl_inhibit_completion)
348 return (_rl_insert_char (ignore, invoking_key));
349 else if (rl_last_func == rl_complete && !completion_changed_buffer)
350 return (rl_complete_internal ('?'));
351 else if (_rl_complete_show_all)
352 return (rl_complete_internal ('!'));
353 else if (_rl_complete_show_unmodified)
354 return (rl_complete_internal ('@'));
355 else
356 return (rl_complete_internal (TAB));
357}
358
359/* List the possible completions. See description of rl_complete (). */
360int
361rl_possible_completions (ignore, invoking_key)
362 int ignore, invoking_key;
363{
364 return (rl_complete_internal ('?'));
365}
366
367int
368rl_insert_completions (ignore, invoking_key)
369 int ignore, invoking_key;
370{
371 return (rl_complete_internal ('*'));
372}
373
374/* Return the correct value to pass to rl_complete_internal performing
375 the same tests as rl_complete. This allows consecutive calls to an
376 application's completion function to list possible completions and for
377 an application-specific completion function to honor the
378 show-all-if-ambiguous readline variable. */
379int
380rl_completion_mode (cfunc)
381 rl_command_func_t *cfunc;
382{
383 if (rl_last_func == cfunc && !completion_changed_buffer)
384 return '?';
385 else if (_rl_complete_show_all)
386 return '!';
387 else if (_rl_complete_show_unmodified)
388 return '@';
389 else
390 return TAB;
391}
392
393/************************************/
394/* */
395/* Completion utility functions */
396/* */
397/************************************/
398
399/* Set default values for readline word completion. These are the variables
400 that application completion functions can change or inspect. */
401static void
402set_completion_defaults (what_to_do)
403 int what_to_do;
404{
405 /* Only the completion entry function can change these. */
406 rl_filename_completion_desired = 0;
407 rl_filename_quoting_desired = 1;
408 rl_completion_type = what_to_do;
409 rl_completion_suppress_append = rl_completion_suppress_quote = 0;
410
411 /* The completion entry function may optionally change this. */
412 rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs;
413}
414
415/* The user must press "y" or "n". Non-zero return means "y" pressed. */
416static int
417get_y_or_n (for_pager)
418 int for_pager;
419{
420 int c;
421
422 for (;;)
423 {
424 RL_SETSTATE(RL_STATE_MOREINPUT);
425 c = rl_read_key ();
426 RL_UNSETSTATE(RL_STATE_MOREINPUT);
427
428 if (c == 'y' || c == 'Y' || c == ' ')
429 return (1);
430 if (c == 'n' || c == 'N' || c == RUBOUT)
431 return (0);
432 if (c == ABORT_CHAR)
433 _rl_abort_internal ();
434 if (for_pager && (c == NEWLINE || c == RETURN))
435 return (2);
436 if (for_pager && (c == 'q' || c == 'Q'))
437 return (0);
438 rl_ding ();
439 }
440}
441
442static int
443_rl_internal_pager (lines)
444 int lines;
445{
446 int i;
447
448 fprintf (rl_outstream, "--More--");
449 fflush (rl_outstream);
450 i = get_y_or_n (1);
451 _rl_erase_entire_line ();
452 if (i == 0)
453 return -1;
454 else if (i == 2)
455 return (lines - 1);
456 else
457 return 0;
458}
459
460static int
461path_isdir (filename)
462 const char *filename;
463{
464 struct stat finfo;
465
466 return (stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode));
467}
468
469#if defined (VISIBLE_STATS)
470/* Return the character which best describes FILENAME.
471 `@' for symbolic links
472 `/' for directories
473 `*' for executables
474 `=' for sockets
475 `|' for FIFOs
476 `%' for character special devices
477 `#' for block special devices */
478static int
479stat_char (filename)
480 char *filename;
481{
482 struct stat finfo;
483 int character, r;
484
485#if defined (HAVE_LSTAT) && defined (S_ISLNK)
486 r = lstat (filename, &finfo);
487#else
488 r = stat (filename, &finfo);
489#endif
490
491 if (r == -1)
492 return (0);
493
494 character = 0;
495 if (S_ISDIR (finfo.st_mode))
496 character = '/';
497#if defined (S_ISCHR)
498 else if (S_ISCHR (finfo.st_mode))
499 character = '%';
500#endif /* S_ISCHR */
501#if defined (S_ISBLK)
502 else if (S_ISBLK (finfo.st_mode))
503 character = '#';
504#endif /* S_ISBLK */
505#if defined (S_ISLNK)
506 else if (S_ISLNK (finfo.st_mode))
507 character = '@';
508#endif /* S_ISLNK */
509#if defined (S_ISSOCK)
510 else if (S_ISSOCK (finfo.st_mode))
511 character = '=';
512#endif /* S_ISSOCK */
513#if defined (S_ISFIFO)
514 else if (S_ISFIFO (finfo.st_mode))
515 character = '|';
516#endif
517 else if (S_ISREG (finfo.st_mode))
518 {
519 if (access (filename, X_OK) == 0)
520 character = '*';
521 }
522 return (character);
523}
524#endif /* VISIBLE_STATS */
525
526/* Return the portion of PATHNAME that should be output when listing
527 possible completions. If we are hacking filename completion, we
528 are only interested in the basename, the portion following the
529 final slash. Otherwise, we return what we were passed. Since
530 printing empty strings is not very informative, if we're doing
531 filename completion, and the basename is the empty string, we look
532 for the previous slash and return the portion following that. If
533 there's no previous slash, we just return what we were passed. */
534static char *
535printable_part (pathname)
536 char *pathname;
537{
538 char *temp, *x;
539
540 if (rl_filename_completion_desired == 0) /* don't need to do anything */
541 return (pathname);
542
543 temp = strrchr (pathname, '/');
544#if defined (__MSDOS__)
545 if (temp == 0 && ISALPHA ((unsigned char)pathname[0]) && pathname[1] == ':')
546 temp = pathname + 1;
547#endif
548
549 if (temp == 0 || *temp == '\0')
550 return (pathname);
551 /* If the basename is NULL, we might have a pathname like '/usr/src/'.
552 Look for a previous slash and, if one is found, return the portion
553 following that slash. If there's no previous slash, just return the
554 pathname we were passed. */
555 else if (temp[1] == '\0')
556 {
557 for (x = temp - 1; x > pathname; x--)
558 if (*x == '/')
559 break;
560 return ((*x == '/') ? x + 1 : pathname);
561 }
562 else
563 return ++temp;
564}
565
566/* Compute width of STRING when displayed on screen by print_filename */
567static int
568fnwidth (string)
569 const char *string;
570{
571 int width, pos;
572#if defined (HANDLE_MULTIBYTE)
573 mbstate_t ps;
574 int left, w;
575 size_t clen;
576 wchar_t wc;
577
578 left = strlen (string) + 1;
579 memset (&ps, 0, sizeof (mbstate_t));
580#endif
581
582 width = pos = 0;
583 while (string[pos])
584 {
585 if (CTRL_CHAR (*string) || *string == RUBOUT)
586 {
587 width += 2;
588 pos++;
589 }
590 else
591 {
592#if defined (HANDLE_MULTIBYTE)
593 clen = mbrtowc (&wc, string + pos, left - pos, &ps);
594 if (MB_INVALIDCH (clen))
595 {
596 width++;
597 pos++;
598 memset (&ps, 0, sizeof (mbstate_t));
599 }
600 else if (MB_NULLWCH (clen))
601 break;
602 else
603 {
604 pos += clen;
605 w = wcwidth (wc);
606 width += (w >= 0) ? w : 1;
607 }
608#else
609 width++;
610 pos++;
611#endif
612 }
613 }
614
615 return width;
616}
617
618static int
619fnprint (to_print)
620 const char *to_print;
621{
622 int printed_len;
623 const char *s;
624#if defined (HANDLE_MULTIBYTE)
625 mbstate_t ps;
626 const char *end;
627 size_t tlen;
|
| 628 int width, w;
629 wchar_t wc;
|
626
627 end = to_print + strlen (to_print) + 1;
628 memset (&ps, 0, sizeof (mbstate_t));
629#endif
630
631 printed_len = 0;
632 s = to_print;
633 while (*s)
634 {
635 if (CTRL_CHAR (*s))
636 {
637 putc ('^', rl_outstream);
638 putc (UNCTRL (*s), rl_outstream);
639 printed_len += 2;
640 s++;
641#if defined (HANDLE_MULTIBYTE)
642 memset (&ps, 0, sizeof (mbstate_t));
643#endif
644 }
645 else if (*s == RUBOUT)
646 {
647 putc ('^', rl_outstream);
648 putc ('?', rl_outstream);
649 printed_len += 2;
650 s++;
651#if defined (HANDLE_MULTIBYTE)
652 memset (&ps, 0, sizeof (mbstate_t));
653#endif
654 }
655 else
656 {
657#if defined (HANDLE_MULTIBYTE)
| 630
631 end = to_print + strlen (to_print) + 1;
632 memset (&ps, 0, sizeof (mbstate_t));
633#endif
634
635 printed_len = 0;
636 s = to_print;
637 while (*s)
638 {
639 if (CTRL_CHAR (*s))
640 {
641 putc ('^', rl_outstream);
642 putc (UNCTRL (*s), rl_outstream);
643 printed_len += 2;
644 s++;
645#if defined (HANDLE_MULTIBYTE)
646 memset (&ps, 0, sizeof (mbstate_t));
647#endif
648 }
649 else if (*s == RUBOUT)
650 {
651 putc ('^', rl_outstream);
652 putc ('?', rl_outstream);
653 printed_len += 2;
654 s++;
655#if defined (HANDLE_MULTIBYTE)
656 memset (&ps, 0, sizeof (mbstate_t));
657#endif
658 }
659 else
660 {
661#if defined (HANDLE_MULTIBYTE)
|
658 tlen = mbrlen (s, end - s, &ps);
| 662 tlen = mbrtowc (&wc, s, end - s, &ps);
|
659 if (MB_INVALIDCH (tlen))
660 {
661 tlen = 1;
| 663 if (MB_INVALIDCH (tlen))
664 {
665 tlen = 1;
|
| 666 width = 1;
|
662 memset (&ps, 0, sizeof (mbstate_t));
663 }
664 else if (MB_NULLWCH (tlen))
665 break;
| 667 memset (&ps, 0, sizeof (mbstate_t));
668 }
669 else if (MB_NULLWCH (tlen))
670 break;
|
| 671 else
672 {
673 w = wcwidth (wc);
674 width = (w >= 0) ? w : 1;
675 }
|
666 fwrite (s, 1, tlen, rl_outstream);
667 s += tlen;
| 676 fwrite (s, 1, tlen, rl_outstream);
677 s += tlen;
|
| 678 printed_len += width;
|
668#else
669 putc (*s, rl_outstream);
670 s++;
| 679#else
680 putc (*s, rl_outstream);
681 s++;
|
671#endif
| |
672 printed_len++;
| 682 printed_len++;
|
| 683#endif
|
673 }
674 }
675
676 return printed_len;
677}
678
679/* Output TO_PRINT to rl_outstream. If VISIBLE_STATS is defined and we
680 are using it, check for and output a single character for `special'
681 filenames. Return the number of characters we output. */
682
683static int
684print_filename (to_print, full_pathname)
685 char *to_print, *full_pathname;
686{
687 int printed_len, extension_char, slen, tlen;
| 684 }
685 }
686
687 return printed_len;
688}
689
690/* Output TO_PRINT to rl_outstream. If VISIBLE_STATS is defined and we
691 are using it, check for and output a single character for `special'
692 filenames. Return the number of characters we output. */
693
694static int
695print_filename (to_print, full_pathname)
696 char *to_print, *full_pathname;
697{
698 int printed_len, extension_char, slen, tlen;
|
688 char *s, c, *new_full_pathname;
| 699 char *s, c, *new_full_pathname, *dn;
|
689
690 extension_char = 0;
691 printed_len = fnprint (to_print);
692
693#if defined (VISIBLE_STATS)
694 if (rl_filename_completion_desired && (rl_visible_stats || _rl_complete_mark_directories))
695#else
696 if (rl_filename_completion_desired && _rl_complete_mark_directories)
697#endif
698 {
699 /* If to_print != full_pathname, to_print is the basename of the
700 path passed. In this case, we try to expand the directory
701 name before checking for the stat character. */
702 if (to_print != full_pathname)
703 {
704 /* Terminate the directory name. */
705 c = to_print[-1];
706 to_print[-1] = '\0';
707
708 /* If setting the last slash in full_pathname to a NUL results in
709 full_pathname being the empty string, we are trying to complete
710 files in the root directory. If we pass a null string to the
711 bash directory completion hook, for example, it will expand it
712 to the current directory. We just want the `/'. */
| 700
701 extension_char = 0;
702 printed_len = fnprint (to_print);
703
704#if defined (VISIBLE_STATS)
705 if (rl_filename_completion_desired && (rl_visible_stats || _rl_complete_mark_directories))
706#else
707 if (rl_filename_completion_desired && _rl_complete_mark_directories)
708#endif
709 {
710 /* If to_print != full_pathname, to_print is the basename of the
711 path passed. In this case, we try to expand the directory
712 name before checking for the stat character. */
713 if (to_print != full_pathname)
714 {
715 /* Terminate the directory name. */
716 c = to_print[-1];
717 to_print[-1] = '\0';
718
719 /* If setting the last slash in full_pathname to a NUL results in
720 full_pathname being the empty string, we are trying to complete
721 files in the root directory. If we pass a null string to the
722 bash directory completion hook, for example, it will expand it
723 to the current directory. We just want the `/'. */
|
713 s = tilde_expand (full_pathname && *full_pathname ? full_pathname : "/");
| 724 if (full_pathname == 0 || *full_pathname == 0)
725 dn = "/";
726 else if (full_pathname[0] != '/')
727 dn = full_pathname;
728 else if (full_pathname[1] == 0)
729 dn = "//"; /* restore trailing slash to `//' */
730 else if (full_pathname[1] == '/' && full_pathname[2] == 0)
731 dn = "/"; /* don't turn /// into // */
732 else
733 dn = full_pathname;
734 s = tilde_expand (dn);
|
714 if (rl_directory_completion_hook)
715 (*rl_directory_completion_hook) (&s);
716
717 slen = strlen (s);
718 tlen = strlen (to_print);
719 new_full_pathname = (char *)xmalloc (slen + tlen + 2);
720 strcpy (new_full_pathname, s);
| 735 if (rl_directory_completion_hook)
736 (*rl_directory_completion_hook) (&s);
737
738 slen = strlen (s);
739 tlen = strlen (to_print);
740 new_full_pathname = (char *)xmalloc (slen + tlen + 2);
741 strcpy (new_full_pathname, s);
|
| 742 if (s[slen - 1] == '/')
743 slen--;
744 else
745 new_full_pathname[slen] = '/';
|
721 new_full_pathname[slen] = '/';
722 strcpy (new_full_pathname + slen + 1, to_print);
723
724#if defined (VISIBLE_STATS)
725 if (rl_visible_stats)
726 extension_char = stat_char (new_full_pathname);
727 else
728#endif
729 if (path_isdir (new_full_pathname))
730 extension_char = '/';
731
732 free (new_full_pathname);
733 to_print[-1] = c;
734 }
735 else
736 {
737 s = tilde_expand (full_pathname);
738#if defined (VISIBLE_STATS)
739 if (rl_visible_stats)
740 extension_char = stat_char (s);
741 else
742#endif
743 if (path_isdir (s))
744 extension_char = '/';
745 }
746
747 free (s);
748 if (extension_char)
749 {
750 putc (extension_char, rl_outstream);
751 printed_len++;
752 }
753 }
754
755 return printed_len;
756}
757
758static char *
759rl_quote_filename (s, rtype, qcp)
760 char *s;
761 int rtype;
762 char *qcp;
763{
764 char *r;
765
766 r = (char *)xmalloc (strlen (s) + 2);
767 *r = *rl_completer_quote_characters;
768 strcpy (r + 1, s);
769 if (qcp)
770 *qcp = *rl_completer_quote_characters;
771 return r;
772}
773
774/* Find the bounds of the current word for completion purposes, and leave
775 rl_point set to the end of the word. This function skips quoted
776 substrings (characters between matched pairs of characters in
777 rl_completer_quote_characters). First we try to find an unclosed
778 quoted substring on which to do matching. If one is not found, we use
779 the word break characters to find the boundaries of the current word.
780 We call an application-specific function to decide whether or not a
781 particular word break character is quoted; if that function returns a
782 non-zero result, the character does not break a word. This function
783 returns the opening quote character if we found an unclosed quoted
784 substring, '\0' otherwise. FP, if non-null, is set to a value saying
785 which (shell-like) quote characters we found (single quote, double
786 quote, or backslash) anywhere in the string. DP, if non-null, is set to
787 the value of the delimiter character that caused a word break. */
788
789char
790_rl_find_completion_word (fp, dp)
791 int *fp, *dp;
792{
793 int scan, end, found_quote, delimiter, pass_next, isbrk;
794 char quote_char, *brkchars;
795
796 end = rl_point;
797 found_quote = delimiter = 0;
798 quote_char = '\0';
799
800 brkchars = 0;
801 if (rl_completion_word_break_hook)
802 brkchars = (*rl_completion_word_break_hook) ();
803 if (brkchars == 0)
804 brkchars = rl_completer_word_break_characters;
805
806 if (rl_completer_quote_characters)
807 {
808 /* We have a list of characters which can be used in pairs to
809 quote substrings for the completer. Try to find the start
810 of an unclosed quoted substring. */
811 /* FOUND_QUOTE is set so we know what kind of quotes we found. */
| 746 new_full_pathname[slen] = '/';
747 strcpy (new_full_pathname + slen + 1, to_print);
748
749#if defined (VISIBLE_STATS)
750 if (rl_visible_stats)
751 extension_char = stat_char (new_full_pathname);
752 else
753#endif
754 if (path_isdir (new_full_pathname))
755 extension_char = '/';
756
757 free (new_full_pathname);
758 to_print[-1] = c;
759 }
760 else
761 {
762 s = tilde_expand (full_pathname);
763#if defined (VISIBLE_STATS)
764 if (rl_visible_stats)
765 extension_char = stat_char (s);
766 else
767#endif
768 if (path_isdir (s))
769 extension_char = '/';
770 }
771
772 free (s);
773 if (extension_char)
774 {
775 putc (extension_char, rl_outstream);
776 printed_len++;
777 }
778 }
779
780 return printed_len;
781}
782
783static char *
784rl_quote_filename (s, rtype, qcp)
785 char *s;
786 int rtype;
787 char *qcp;
788{
789 char *r;
790
791 r = (char *)xmalloc (strlen (s) + 2);
792 *r = *rl_completer_quote_characters;
793 strcpy (r + 1, s);
794 if (qcp)
795 *qcp = *rl_completer_quote_characters;
796 return r;
797}
798
799/* Find the bounds of the current word for completion purposes, and leave
800 rl_point set to the end of the word. This function skips quoted
801 substrings (characters between matched pairs of characters in
802 rl_completer_quote_characters). First we try to find an unclosed
803 quoted substring on which to do matching. If one is not found, we use
804 the word break characters to find the boundaries of the current word.
805 We call an application-specific function to decide whether or not a
806 particular word break character is quoted; if that function returns a
807 non-zero result, the character does not break a word. This function
808 returns the opening quote character if we found an unclosed quoted
809 substring, '\0' otherwise. FP, if non-null, is set to a value saying
810 which (shell-like) quote characters we found (single quote, double
811 quote, or backslash) anywhere in the string. DP, if non-null, is set to
812 the value of the delimiter character that caused a word break. */
813
814char
815_rl_find_completion_word (fp, dp)
816 int *fp, *dp;
817{
818 int scan, end, found_quote, delimiter, pass_next, isbrk;
819 char quote_char, *brkchars;
820
821 end = rl_point;
822 found_quote = delimiter = 0;
823 quote_char = '\0';
824
825 brkchars = 0;
826 if (rl_completion_word_break_hook)
827 brkchars = (*rl_completion_word_break_hook) ();
828 if (brkchars == 0)
829 brkchars = rl_completer_word_break_characters;
830
831 if (rl_completer_quote_characters)
832 {
833 /* We have a list of characters which can be used in pairs to
834 quote substrings for the completer. Try to find the start
835 of an unclosed quoted substring. */
836 /* FOUND_QUOTE is set so we know what kind of quotes we found. */
|
812#if defined (HANDLE_MULTIBYTE)
813 for (scan = pass_next = 0; scan < end;
814 scan = ((MB_CUR_MAX == 1 || rl_byte_oriented)
815 ? (scan + 1)
816 : _rl_find_next_mbchar (rl_line_buffer, scan, 1, MB_FIND_ANY)))
817#else
818 for (scan = pass_next = 0; scan < end; scan++)
819#endif
| 837 for (scan = pass_next = 0; scan < end; scan = MB_NEXTCHAR (rl_line_buffer, scan, 1, MB_FIND_ANY))
|
820 {
821 if (pass_next)
822 {
823 pass_next = 0;
824 continue;
825 }
826
827 /* Shell-like semantics for single quotes -- don't allow backslash
828 to quote anything in single quotes, especially not the closing
829 quote. If you don't like this, take out the check on the value
830 of quote_char. */
831 if (quote_char != '\'' && rl_line_buffer[scan] == '\\')
832 {
833 pass_next = 1;
834 found_quote |= RL_QF_BACKSLASH;
835 continue;
836 }
837
838 if (quote_char != '\0')
839 {
840 /* Ignore everything until the matching close quote char. */
841 if (rl_line_buffer[scan] == quote_char)
842 {
843 /* Found matching close. Abandon this substring. */
844 quote_char = '\0';
845 rl_point = end;
846 }
847 }
848 else if (strchr (rl_completer_quote_characters, rl_line_buffer[scan]))
849 {
850 /* Found start of a quoted substring. */
851 quote_char = rl_line_buffer[scan];
852 rl_point = scan + 1;
853 /* Shell-like quoting conventions. */
854 if (quote_char == '\'')
855 found_quote |= RL_QF_SINGLE_QUOTE;
856 else if (quote_char == '"')
857 found_quote |= RL_QF_DOUBLE_QUOTE;
858 else
859 found_quote |= RL_QF_OTHER_QUOTE;
860 }
861 }
862 }
863
864 if (rl_point == end && quote_char == '\0')
865 {
866 /* We didn't find an unclosed quoted substring upon which to do
867 completion, so use the word break characters to find the
868 substring on which to complete. */
| 838 {
839 if (pass_next)
840 {
841 pass_next = 0;
842 continue;
843 }
844
845 /* Shell-like semantics for single quotes -- don't allow backslash
846 to quote anything in single quotes, especially not the closing
847 quote. If you don't like this, take out the check on the value
848 of quote_char. */
849 if (quote_char != '\'' && rl_line_buffer[scan] == '\\')
850 {
851 pass_next = 1;
852 found_quote |= RL_QF_BACKSLASH;
853 continue;
854 }
855
856 if (quote_char != '\0')
857 {
858 /* Ignore everything until the matching close quote char. */
859 if (rl_line_buffer[scan] == quote_char)
860 {
861 /* Found matching close. Abandon this substring. */
862 quote_char = '\0';
863 rl_point = end;
864 }
865 }
866 else if (strchr (rl_completer_quote_characters, rl_line_buffer[scan]))
867 {
868 /* Found start of a quoted substring. */
869 quote_char = rl_line_buffer[scan];
870 rl_point = scan + 1;
871 /* Shell-like quoting conventions. */
872 if (quote_char == '\'')
873 found_quote |= RL_QF_SINGLE_QUOTE;
874 else if (quote_char == '"')
875 found_quote |= RL_QF_DOUBLE_QUOTE;
876 else
877 found_quote |= RL_QF_OTHER_QUOTE;
878 }
879 }
880 }
881
882 if (rl_point == end && quote_char == '\0')
883 {
884 /* We didn't find an unclosed quoted substring upon which to do
885 completion, so use the word break characters to find the
886 substring on which to complete. */
|
869#if defined (HANDLE_MULTIBYTE)
870 while (rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_ANY))
871#else
872 while (--rl_point)
873#endif
| 887 while (rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY))
|
874 {
875 scan = rl_line_buffer[rl_point];
876
877 if (strchr (brkchars, scan) == 0)
878 continue;
879
880 /* Call the application-specific function to tell us whether
881 this word break character is quoted and should be skipped. */
882 if (rl_char_is_quoted_p && found_quote &&
883 (*rl_char_is_quoted_p) (rl_line_buffer, rl_point))
884 continue;
885
886 /* Convoluted code, but it avoids an n^2 algorithm with calls
887 to char_is_quoted. */
888 break;
889 }
890 }
891
892 /* If we are at an unquoted word break, then advance past it. */
893 scan = rl_line_buffer[rl_point];
894
895 /* If there is an application-specific function to say whether or not
896 a character is quoted and we found a quote character, let that
897 function decide whether or not a character is a word break, even
898 if it is found in rl_completer_word_break_characters. Don't bother
899 if we're at the end of the line, though. */
900 if (scan)
901 {
902 if (rl_char_is_quoted_p)
903 isbrk = (found_quote == 0 ||
904 (*rl_char_is_quoted_p) (rl_line_buffer, rl_point) == 0) &&
905 strchr (brkchars, scan) != 0;
906 else
907 isbrk = strchr (brkchars, scan) != 0;
908
909 if (isbrk)
910 {
911 /* If the character that caused the word break was a quoting
912 character, then remember it as the delimiter. */
913 if (rl_basic_quote_characters &&
914 strchr (rl_basic_quote_characters, scan) &&
915 (end - rl_point) > 1)
916 delimiter = scan;
917
918 /* If the character isn't needed to determine something special
919 about what kind of completion to perform, then advance past it. */
920 if (rl_special_prefixes == 0 || strchr (rl_special_prefixes, scan) == 0)
921 rl_point++;
922 }
923 }
924
925 if (fp)
926 *fp = found_quote;
927 if (dp)
928 *dp = delimiter;
929
930 return (quote_char);
931}
932
933static char **
934gen_completion_matches (text, start, end, our_func, found_quote, quote_char)
935 char *text;
936 int start, end;
937 rl_compentry_func_t *our_func;
938 int found_quote, quote_char;
939{
940 char **matches, *temp;
941
942 rl_completion_found_quote = found_quote;
943 rl_completion_quote_character = quote_char;
944
945 /* If the user wants to TRY to complete, but then wants to give
946 up and use the default completion function, they set the
947 variable rl_attempted_completion_function. */
948 if (rl_attempted_completion_function)
949 {
950 matches = (*rl_attempted_completion_function) (text, start, end);
951
952 if (matches || rl_attempted_completion_over)
953 {
954 rl_attempted_completion_over = 0;
955 return (matches);
956 }
957 }
958
959 /* Beware -- we're stripping the quotes here. Do this only if we know
960 we are doing filename completion and the application has defined a
961 filename dequoting function. */
962 temp = (char *)NULL;
963
964 if (found_quote && our_func == rl_filename_completion_function &&
965 rl_filename_dequoting_function)
966 {
967 /* delete single and double quotes */
968 temp = (*rl_filename_dequoting_function) (text, quote_char);
969 text = temp; /* not freeing text is not a memory leak */
970 }
971
972 matches = rl_completion_matches (text, our_func);
973 FREE (temp);
974 return matches;
975}
976
977/* Filter out duplicates in MATCHES. This frees up the strings in
978 MATCHES. */
979static char **
980remove_duplicate_matches (matches)
981 char **matches;
982{
983 char *lowest_common;
984 int i, j, newlen;
985 char dead_slot;
986 char **temp_array;
987
988 /* Sort the items. */
989 for (i = 0; matches[i]; i++)
990 ;
991
992 /* Sort the array without matches[0], since we need it to
993 stay in place no matter what. */
994 if (i)
995 qsort (matches+1, i-1, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
996
997 /* Remember the lowest common denominator for it may be unique. */
998 lowest_common = savestring (matches[0]);
999
1000 for (i = newlen = 0; matches[i + 1]; i++)
1001 {
1002 if (strcmp (matches[i], matches[i + 1]) == 0)
1003 {
1004 free (matches[i]);
1005 matches[i] = (char *)&dead_slot;
1006 }
1007 else
1008 newlen++;
1009 }
1010
1011 /* We have marked all the dead slots with (char *)&dead_slot.
1012 Copy all the non-dead entries into a new array. */
1013 temp_array = (char **)xmalloc ((3 + newlen) * sizeof (char *));
1014 for (i = j = 1; matches[i]; i++)
1015 {
1016 if (matches[i] != (char *)&dead_slot)
1017 temp_array[j++] = matches[i];
1018 }
1019 temp_array[j] = (char *)NULL;
1020
1021 if (matches[0] != (char *)&dead_slot)
1022 free (matches[0]);
1023
1024 /* Place the lowest common denominator back in [0]. */
1025 temp_array[0] = lowest_common;
1026
1027 /* If there is one string left, and it is identical to the
1028 lowest common denominator, then the LCD is the string to
1029 insert. */
1030 if (j == 2 && strcmp (temp_array[0], temp_array[1]) == 0)
1031 {
1032 free (temp_array[1]);
1033 temp_array[1] = (char *)NULL;
1034 }
1035 return (temp_array);
1036}
1037
1038/* Find the common prefix of the list of matches, and put it into
1039 matches[0]. */
1040static int
1041compute_lcd_of_matches (match_list, matches, text)
1042 char **match_list;
1043 int matches;
1044 const char *text;
1045{
1046 register int i, c1, c2, si;
1047 int low; /* Count of max-matched characters. */
1048 char *dtext; /* dequoted TEXT, if needed */
1049#if defined (HANDLE_MULTIBYTE)
1050 int v;
1051 mbstate_t ps1, ps2;
1052 wchar_t wc1, wc2;
1053#endif
1054
1055 /* If only one match, just use that. Otherwise, compare each
1056 member of the list with the next, finding out where they
1057 stop matching. */
1058 if (matches == 1)
1059 {
1060 match_list[0] = match_list[1];
1061 match_list[1] = (char *)NULL;
1062 return 1;
1063 }
1064
1065 for (i = 1, low = 100000; i < matches; i++)
1066 {
1067#if defined (HANDLE_MULTIBYTE)
1068 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
1069 {
1070 memset (&ps1, 0, sizeof (mbstate_t));
1071 memset (&ps2, 0, sizeof (mbstate_t));
1072 }
1073#endif
1074 if (_rl_completion_case_fold)
1075 {
1076 for (si = 0;
1077 (c1 = _rl_to_lower(match_list[i][si])) &&
1078 (c2 = _rl_to_lower(match_list[i + 1][si]));
1079 si++)
1080#if defined (HANDLE_MULTIBYTE)
1081 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
1082 {
1083 v = mbrtowc (&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1);
1084 mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2);
1085 wc1 = towlower (wc1);
1086 wc2 = towlower (wc2);
1087 if (wc1 != wc2)
1088 break;
1089 else if (v > 1)
1090 si += v - 1;
1091 }
1092 else
1093#endif
1094 if (c1 != c2)
1095 break;
1096 }
1097 else
1098 {
1099 for (si = 0;
1100 (c1 = match_list[i][si]) &&
1101 (c2 = match_list[i + 1][si]);
1102 si++)
1103#if defined (HANDLE_MULTIBYTE)
1104 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
1105 {
1106 mbstate_t ps_back = ps1;
1107 if (!_rl_compare_chars (match_list[i], si, &ps1, match_list[i+1], si, &ps2))
1108 break;
1109 else if ((v = _rl_get_char_len (&match_list[i][si], &ps_back)) > 1)
1110 si += v - 1;
1111 }
1112 else
1113#endif
1114 if (c1 != c2)
1115 break;
1116 }
1117
1118 if (low > si)
1119 low = si;
1120 }
1121
1122 /* If there were multiple matches, but none matched up to even the
1123 first character, and the user typed something, use that as the
1124 value of matches[0]. */
1125 if (low == 0 && text && *text)
1126 {
1127 match_list[0] = (char *)xmalloc (strlen (text) + 1);
1128 strcpy (match_list[0], text);
1129 }
1130 else
1131 {
1132 match_list[0] = (char *)xmalloc (low + 1);
1133
1134 /* XXX - this might need changes in the presence of multibyte chars */
1135
1136 /* If we are ignoring case, try to preserve the case of the string
1137 the user typed in the face of multiple matches differing in case. */
1138 if (_rl_completion_case_fold)
1139 {
1140 /* We're making an assumption here:
1141 IF we're completing filenames AND
1142 the application has defined a filename dequoting function AND
1143 we found a quote character AND
1144 the application has requested filename quoting
1145 THEN
1146 we assume that TEXT was dequoted before checking against
1147 the file system and needs to be dequoted here before we
1148 check against the list of matches
1149 FI */
1150 dtext = (char *)NULL;
1151 if (rl_filename_completion_desired &&
1152 rl_filename_dequoting_function &&
1153 rl_completion_found_quote &&
1154 rl_filename_quoting_desired)
1155 {
| 888 {
889 scan = rl_line_buffer[rl_point];
890
891 if (strchr (brkchars, scan) == 0)
892 continue;
893
894 /* Call the application-specific function to tell us whether
895 this word break character is quoted and should be skipped. */
896 if (rl_char_is_quoted_p && found_quote &&
897 (*rl_char_is_quoted_p) (rl_line_buffer, rl_point))
898 continue;
899
900 /* Convoluted code, but it avoids an n^2 algorithm with calls
901 to char_is_quoted. */
902 break;
903 }
904 }
905
906 /* If we are at an unquoted word break, then advance past it. */
907 scan = rl_line_buffer[rl_point];
908
909 /* If there is an application-specific function to say whether or not
910 a character is quoted and we found a quote character, let that
911 function decide whether or not a character is a word break, even
912 if it is found in rl_completer_word_break_characters. Don't bother
913 if we're at the end of the line, though. */
914 if (scan)
915 {
916 if (rl_char_is_quoted_p)
917 isbrk = (found_quote == 0 ||
918 (*rl_char_is_quoted_p) (rl_line_buffer, rl_point) == 0) &&
919 strchr (brkchars, scan) != 0;
920 else
921 isbrk = strchr (brkchars, scan) != 0;
922
923 if (isbrk)
924 {
925 /* If the character that caused the word break was a quoting
926 character, then remember it as the delimiter. */
927 if (rl_basic_quote_characters &&
928 strchr (rl_basic_quote_characters, scan) &&
929 (end - rl_point) > 1)
930 delimiter = scan;
931
932 /* If the character isn't needed to determine something special
933 about what kind of completion to perform, then advance past it. */
934 if (rl_special_prefixes == 0 || strchr (rl_special_prefixes, scan) == 0)
935 rl_point++;
936 }
937 }
938
939 if (fp)
940 *fp = found_quote;
941 if (dp)
942 *dp = delimiter;
943
944 return (quote_char);
945}
946
947static char **
948gen_completion_matches (text, start, end, our_func, found_quote, quote_char)
949 char *text;
950 int start, end;
951 rl_compentry_func_t *our_func;
952 int found_quote, quote_char;
953{
954 char **matches, *temp;
955
956 rl_completion_found_quote = found_quote;
957 rl_completion_quote_character = quote_char;
958
959 /* If the user wants to TRY to complete, but then wants to give
960 up and use the default completion function, they set the
961 variable rl_attempted_completion_function. */
962 if (rl_attempted_completion_function)
963 {
964 matches = (*rl_attempted_completion_function) (text, start, end);
965
966 if (matches || rl_attempted_completion_over)
967 {
968 rl_attempted_completion_over = 0;
969 return (matches);
970 }
971 }
972
973 /* Beware -- we're stripping the quotes here. Do this only if we know
974 we are doing filename completion and the application has defined a
975 filename dequoting function. */
976 temp = (char *)NULL;
977
978 if (found_quote && our_func == rl_filename_completion_function &&
979 rl_filename_dequoting_function)
980 {
981 /* delete single and double quotes */
982 temp = (*rl_filename_dequoting_function) (text, quote_char);
983 text = temp; /* not freeing text is not a memory leak */
984 }
985
986 matches = rl_completion_matches (text, our_func);
987 FREE (temp);
988 return matches;
989}
990
991/* Filter out duplicates in MATCHES. This frees up the strings in
992 MATCHES. */
993static char **
994remove_duplicate_matches (matches)
995 char **matches;
996{
997 char *lowest_common;
998 int i, j, newlen;
999 char dead_slot;
1000 char **temp_array;
1001
1002 /* Sort the items. */
1003 for (i = 0; matches[i]; i++)
1004 ;
1005
1006 /* Sort the array without matches[0], since we need it to
1007 stay in place no matter what. */
1008 if (i)
1009 qsort (matches+1, i-1, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
1010
1011 /* Remember the lowest common denominator for it may be unique. */
1012 lowest_common = savestring (matches[0]);
1013
1014 for (i = newlen = 0; matches[i + 1]; i++)
1015 {
1016 if (strcmp (matches[i], matches[i + 1]) == 0)
1017 {
1018 free (matches[i]);
1019 matches[i] = (char *)&dead_slot;
1020 }
1021 else
1022 newlen++;
1023 }
1024
1025 /* We have marked all the dead slots with (char *)&dead_slot.
1026 Copy all the non-dead entries into a new array. */
1027 temp_array = (char **)xmalloc ((3 + newlen) * sizeof (char *));
1028 for (i = j = 1; matches[i]; i++)
1029 {
1030 if (matches[i] != (char *)&dead_slot)
1031 temp_array[j++] = matches[i];
1032 }
1033 temp_array[j] = (char *)NULL;
1034
1035 if (matches[0] != (char *)&dead_slot)
1036 free (matches[0]);
1037
1038 /* Place the lowest common denominator back in [0]. */
1039 temp_array[0] = lowest_common;
1040
1041 /* If there is one string left, and it is identical to the
1042 lowest common denominator, then the LCD is the string to
1043 insert. */
1044 if (j == 2 && strcmp (temp_array[0], temp_array[1]) == 0)
1045 {
1046 free (temp_array[1]);
1047 temp_array[1] = (char *)NULL;
1048 }
1049 return (temp_array);
1050}
1051
1052/* Find the common prefix of the list of matches, and put it into
1053 matches[0]. */
1054static int
1055compute_lcd_of_matches (match_list, matches, text)
1056 char **match_list;
1057 int matches;
1058 const char *text;
1059{
1060 register int i, c1, c2, si;
1061 int low; /* Count of max-matched characters. */
1062 char *dtext; /* dequoted TEXT, if needed */
1063#if defined (HANDLE_MULTIBYTE)
1064 int v;
1065 mbstate_t ps1, ps2;
1066 wchar_t wc1, wc2;
1067#endif
1068
1069 /* If only one match, just use that. Otherwise, compare each
1070 member of the list with the next, finding out where they
1071 stop matching. */
1072 if (matches == 1)
1073 {
1074 match_list[0] = match_list[1];
1075 match_list[1] = (char *)NULL;
1076 return 1;
1077 }
1078
1079 for (i = 1, low = 100000; i < matches; i++)
1080 {
1081#if defined (HANDLE_MULTIBYTE)
1082 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
1083 {
1084 memset (&ps1, 0, sizeof (mbstate_t));
1085 memset (&ps2, 0, sizeof (mbstate_t));
1086 }
1087#endif
1088 if (_rl_completion_case_fold)
1089 {
1090 for (si = 0;
1091 (c1 = _rl_to_lower(match_list[i][si])) &&
1092 (c2 = _rl_to_lower(match_list[i + 1][si]));
1093 si++)
1094#if defined (HANDLE_MULTIBYTE)
1095 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
1096 {
1097 v = mbrtowc (&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1);
1098 mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2);
1099 wc1 = towlower (wc1);
1100 wc2 = towlower (wc2);
1101 if (wc1 != wc2)
1102 break;
1103 else if (v > 1)
1104 si += v - 1;
1105 }
1106 else
1107#endif
1108 if (c1 != c2)
1109 break;
1110 }
1111 else
1112 {
1113 for (si = 0;
1114 (c1 = match_list[i][si]) &&
1115 (c2 = match_list[i + 1][si]);
1116 si++)
1117#if defined (HANDLE_MULTIBYTE)
1118 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
1119 {
1120 mbstate_t ps_back = ps1;
1121 if (!_rl_compare_chars (match_list[i], si, &ps1, match_list[i+1], si, &ps2))
1122 break;
1123 else if ((v = _rl_get_char_len (&match_list[i][si], &ps_back)) > 1)
1124 si += v - 1;
1125 }
1126 else
1127#endif
1128 if (c1 != c2)
1129 break;
1130 }
1131
1132 if (low > si)
1133 low = si;
1134 }
1135
1136 /* If there were multiple matches, but none matched up to even the
1137 first character, and the user typed something, use that as the
1138 value of matches[0]. */
1139 if (low == 0 && text && *text)
1140 {
1141 match_list[0] = (char *)xmalloc (strlen (text) + 1);
1142 strcpy (match_list[0], text);
1143 }
1144 else
1145 {
1146 match_list[0] = (char *)xmalloc (low + 1);
1147
1148 /* XXX - this might need changes in the presence of multibyte chars */
1149
1150 /* If we are ignoring case, try to preserve the case of the string
1151 the user typed in the face of multiple matches differing in case. */
1152 if (_rl_completion_case_fold)
1153 {
1154 /* We're making an assumption here:
1155 IF we're completing filenames AND
1156 the application has defined a filename dequoting function AND
1157 we found a quote character AND
1158 the application has requested filename quoting
1159 THEN
1160 we assume that TEXT was dequoted before checking against
1161 the file system and needs to be dequoted here before we
1162 check against the list of matches
1163 FI */
1164 dtext = (char *)NULL;
1165 if (rl_filename_completion_desired &&
1166 rl_filename_dequoting_function &&
1167 rl_completion_found_quote &&
1168 rl_filename_quoting_desired)
1169 {
|
1156 dtext = (*rl_filename_dequoting_function) (text, rl_completion_quote_character);
| 1170 dtext = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
|
1157 text = dtext;
1158 }
1159
1160 /* sort the list to get consistent answers. */
1161 qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare);
1162
1163 si = strlen (text);
1164 if (si <= low)
1165 {
1166 for (i = 1; i <= matches; i++)
1167 if (strncmp (match_list[i], text, si) == 0)
1168 {
1169 strncpy (match_list[0], match_list[i], low);
1170 break;
1171 }
1172 /* no casematch, use first entry */
1173 if (i > matches)
1174 strncpy (match_list[0], match_list[1], low);
1175 }
1176 else
1177 /* otherwise, just use the text the user typed. */
1178 strncpy (match_list[0], text, low);
1179
1180 FREE (dtext);
1181 }
1182 else
1183 strncpy (match_list[0], match_list[1], low);
1184
1185 match_list[0][low] = '\0';
1186 }
1187
1188 return matches;
1189}
1190
1191static int
1192postprocess_matches (matchesp, matching_filenames)
1193 char ***matchesp;
1194 int matching_filenames;
1195{
1196 char *t, **matches, **temp_matches;
1197 int nmatch, i;
1198
1199 matches = *matchesp;
1200
1201 if (matches == 0)
1202 return 0;
1203
1204 /* It seems to me that in all the cases we handle we would like
1205 to ignore duplicate possiblilities. Scan for the text to
1206 insert being identical to the other completions. */
1207 if (rl_ignore_completion_duplicates)
1208 {
1209 temp_matches = remove_duplicate_matches (matches);
1210 free (matches);
1211 matches = temp_matches;
1212 }
1213
1214 /* If we are matching filenames, then here is our chance to
1215 do clever processing by re-examining the list. Call the
1216 ignore function with the array as a parameter. It can
1217 munge the array, deleting matches as it desires. */
1218 if (rl_ignore_some_completions_function && matching_filenames)
1219 {
1220 for (nmatch = 1; matches[nmatch]; nmatch++)
1221 ;
1222 (void)(*rl_ignore_some_completions_function) (matches);
1223 if (matches == 0 || matches[0] == 0)
1224 {
1225 FREE (matches);
1226 *matchesp = (char **)0;
1227 return 0;
1228 }
1229 else
1230 {
1231 /* If we removed some matches, recompute the common prefix. */
1232 for (i = 1; matches[i]; i++)
1233 ;
1234 if (i > 1 && i < nmatch)
1235 {
1236 t = matches[0];
1237 compute_lcd_of_matches (matches, i - 1, t);
1238 FREE (t);
1239 }
1240 }
1241 }
1242
1243 *matchesp = matches;
1244 return (1);
1245}
1246
1247/* A convenience function for displaying a list of strings in
1248 columnar format on readline's output stream. MATCHES is the list
1249 of strings, in argv format, LEN is the number of strings in MATCHES,
1250 and MAX is the length of the longest string in MATCHES. */
1251void
1252rl_display_match_list (matches, len, max)
1253 char **matches;
1254 int len, max;
1255{
1256 int count, limit, printed_len, lines;
1257 int i, j, k, l;
1258 char *temp;
1259
1260 /* How many items of MAX length can we fit in the screen window? */
1261 max += 2;
1262 limit = _rl_screenwidth / max;
1263 if (limit != 1 && (limit * max == _rl_screenwidth))
1264 limit--;
1265
1266 /* Avoid a possible floating exception. If max > _rl_screenwidth,
1267 limit will be 0 and a divide-by-zero fault will result. */
1268 if (limit == 0)
1269 limit = 1;
1270
1271 /* How many iterations of the printing loop? */
1272 count = (len + (limit - 1)) / limit;
1273
1274 /* Watch out for special case. If LEN is less than LIMIT, then
1275 just do the inner printing loop.
1276 0 < len <= limit implies count = 1. */
1277
1278 /* Sort the items if they are not already sorted. */
1279 if (rl_ignore_completion_duplicates == 0)
1280 qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
1281
1282 rl_crlf ();
1283
1284 lines = 0;
1285 if (_rl_print_completions_horizontally == 0)
1286 {
1287 /* Print the sorted items, up-and-down alphabetically, like ls. */
1288 for (i = 1; i <= count; i++)
1289 {
1290 for (j = 0, l = i; j < limit; j++)
1291 {
1292 if (l > len || matches[l] == 0)
1293 break;
1294 else
1295 {
1296 temp = printable_part (matches[l]);
1297 printed_len = print_filename (temp, matches[l]);
1298
1299 if (j + 1 < limit)
1300 for (k = 0; k < max - printed_len; k++)
1301 putc (' ', rl_outstream);
1302 }
1303 l += count;
1304 }
1305 rl_crlf ();
1306 lines++;
1307 if (_rl_page_completions && lines >= (_rl_screenheight - 1) && i < count)
1308 {
1309 lines = _rl_internal_pager (lines);
1310 if (lines < 0)
1311 return;
1312 }
1313 }
1314 }
1315 else
1316 {
1317 /* Print the sorted items, across alphabetically, like ls -x. */
1318 for (i = 1; matches[i]; i++)
1319 {
1320 temp = printable_part (matches[i]);
1321 printed_len = print_filename (temp, matches[i]);
1322 /* Have we reached the end of this line? */
1323 if (matches[i+1])
1324 {
1325 if (i && (limit > 1) && (i % limit) == 0)
1326 {
1327 rl_crlf ();
1328 lines++;
1329 if (_rl_page_completions && lines >= _rl_screenheight - 1)
1330 {
1331 lines = _rl_internal_pager (lines);
1332 if (lines < 0)
1333 return;
1334 }
1335 }
1336 else
1337 for (k = 0; k < max - printed_len; k++)
1338 putc (' ', rl_outstream);
1339 }
1340 }
1341 rl_crlf ();
1342 }
1343}
1344
1345/* Display MATCHES, a list of matching filenames in argv format. This
1346 handles the simple case -- a single match -- first. If there is more
1347 than one match, we compute the number of strings in the list and the
1348 length of the longest string, which will be needed by the display
1349 function. If the application wants to handle displaying the list of
1350 matches itself, it sets RL_COMPLETION_DISPLAY_MATCHES_HOOK to the
1351 address of a function, and we just call it. If we're handling the
1352 display ourselves, we just call rl_display_match_list. We also check
1353 that the list of matches doesn't exceed the user-settable threshold,
1354 and ask the user if he wants to see the list if there are more matches
1355 than RL_COMPLETION_QUERY_ITEMS. */
1356static void
1357display_matches (matches)
1358 char **matches;
1359{
1360 int len, max, i;
1361 char *temp;
1362
1363 /* Move to the last visible line of a possibly-multiple-line command. */
1364 _rl_move_vert (_rl_vis_botlin);
1365
1366 /* Handle simple case first. What if there is only one answer? */
1367 if (matches[1] == 0)
1368 {
1369 temp = printable_part (matches[0]);
1370 rl_crlf ();
1371 print_filename (temp, matches[0]);
1372 rl_crlf ();
1373
1374 rl_forced_update_display ();
1375 rl_display_fixed = 1;
1376
1377 return;
1378 }
1379
1380 /* There is more than one answer. Find out how many there are,
1381 and find the maximum printed length of a single entry. */
1382 for (max = 0, i = 1; matches[i]; i++)
1383 {
1384 temp = printable_part (matches[i]);
1385 len = fnwidth (temp);
1386
1387 if (len > max)
1388 max = len;
1389 }
1390
1391 len = i - 1;
1392
1393 /* If the caller has defined a display hook, then call that now. */
1394 if (rl_completion_display_matches_hook)
1395 {
1396 (*rl_completion_display_matches_hook) (matches, len, max);
1397 return;
1398 }
1399
1400 /* If there are many items, then ask the user if she really wants to
1401 see them all. */
| 1171 text = dtext;
1172 }
1173
1174 /* sort the list to get consistent answers. */
1175 qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare);
1176
1177 si = strlen (text);
1178 if (si <= low)
1179 {
1180 for (i = 1; i <= matches; i++)
1181 if (strncmp (match_list[i], text, si) == 0)
1182 {
1183 strncpy (match_list[0], match_list[i], low);
1184 break;
1185 }
1186 /* no casematch, use first entry */
1187 if (i > matches)
1188 strncpy (match_list[0], match_list[1], low);
1189 }
1190 else
1191 /* otherwise, just use the text the user typed. */
1192 strncpy (match_list[0], text, low);
1193
1194 FREE (dtext);
1195 }
1196 else
1197 strncpy (match_list[0], match_list[1], low);
1198
1199 match_list[0][low] = '\0';
1200 }
1201
1202 return matches;
1203}
1204
1205static int
1206postprocess_matches (matchesp, matching_filenames)
1207 char ***matchesp;
1208 int matching_filenames;
1209{
1210 char *t, **matches, **temp_matches;
1211 int nmatch, i;
1212
1213 matches = *matchesp;
1214
1215 if (matches == 0)
1216 return 0;
1217
1218 /* It seems to me that in all the cases we handle we would like
1219 to ignore duplicate possiblilities. Scan for the text to
1220 insert being identical to the other completions. */
1221 if (rl_ignore_completion_duplicates)
1222 {
1223 temp_matches = remove_duplicate_matches (matches);
1224 free (matches);
1225 matches = temp_matches;
1226 }
1227
1228 /* If we are matching filenames, then here is our chance to
1229 do clever processing by re-examining the list. Call the
1230 ignore function with the array as a parameter. It can
1231 munge the array, deleting matches as it desires. */
1232 if (rl_ignore_some_completions_function && matching_filenames)
1233 {
1234 for (nmatch = 1; matches[nmatch]; nmatch++)
1235 ;
1236 (void)(*rl_ignore_some_completions_function) (matches);
1237 if (matches == 0 || matches[0] == 0)
1238 {
1239 FREE (matches);
1240 *matchesp = (char **)0;
1241 return 0;
1242 }
1243 else
1244 {
1245 /* If we removed some matches, recompute the common prefix. */
1246 for (i = 1; matches[i]; i++)
1247 ;
1248 if (i > 1 && i < nmatch)
1249 {
1250 t = matches[0];
1251 compute_lcd_of_matches (matches, i - 1, t);
1252 FREE (t);
1253 }
1254 }
1255 }
1256
1257 *matchesp = matches;
1258 return (1);
1259}
1260
1261/* A convenience function for displaying a list of strings in
1262 columnar format on readline's output stream. MATCHES is the list
1263 of strings, in argv format, LEN is the number of strings in MATCHES,
1264 and MAX is the length of the longest string in MATCHES. */
1265void
1266rl_display_match_list (matches, len, max)
1267 char **matches;
1268 int len, max;
1269{
1270 int count, limit, printed_len, lines;
1271 int i, j, k, l;
1272 char *temp;
1273
1274 /* How many items of MAX length can we fit in the screen window? */
1275 max += 2;
1276 limit = _rl_screenwidth / max;
1277 if (limit != 1 && (limit * max == _rl_screenwidth))
1278 limit--;
1279
1280 /* Avoid a possible floating exception. If max > _rl_screenwidth,
1281 limit will be 0 and a divide-by-zero fault will result. */
1282 if (limit == 0)
1283 limit = 1;
1284
1285 /* How many iterations of the printing loop? */
1286 count = (len + (limit - 1)) / limit;
1287
1288 /* Watch out for special case. If LEN is less than LIMIT, then
1289 just do the inner printing loop.
1290 0 < len <= limit implies count = 1. */
1291
1292 /* Sort the items if they are not already sorted. */
1293 if (rl_ignore_completion_duplicates == 0)
1294 qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
1295
1296 rl_crlf ();
1297
1298 lines = 0;
1299 if (_rl_print_completions_horizontally == 0)
1300 {
1301 /* Print the sorted items, up-and-down alphabetically, like ls. */
1302 for (i = 1; i <= count; i++)
1303 {
1304 for (j = 0, l = i; j < limit; j++)
1305 {
1306 if (l > len || matches[l] == 0)
1307 break;
1308 else
1309 {
1310 temp = printable_part (matches[l]);
1311 printed_len = print_filename (temp, matches[l]);
1312
1313 if (j + 1 < limit)
1314 for (k = 0; k < max - printed_len; k++)
1315 putc (' ', rl_outstream);
1316 }
1317 l += count;
1318 }
1319 rl_crlf ();
1320 lines++;
1321 if (_rl_page_completions && lines >= (_rl_screenheight - 1) && i < count)
1322 {
1323 lines = _rl_internal_pager (lines);
1324 if (lines < 0)
1325 return;
1326 }
1327 }
1328 }
1329 else
1330 {
1331 /* Print the sorted items, across alphabetically, like ls -x. */
1332 for (i = 1; matches[i]; i++)
1333 {
1334 temp = printable_part (matches[i]);
1335 printed_len = print_filename (temp, matches[i]);
1336 /* Have we reached the end of this line? */
1337 if (matches[i+1])
1338 {
1339 if (i && (limit > 1) && (i % limit) == 0)
1340 {
1341 rl_crlf ();
1342 lines++;
1343 if (_rl_page_completions && lines >= _rl_screenheight - 1)
1344 {
1345 lines = _rl_internal_pager (lines);
1346 if (lines < 0)
1347 return;
1348 }
1349 }
1350 else
1351 for (k = 0; k < max - printed_len; k++)
1352 putc (' ', rl_outstream);
1353 }
1354 }
1355 rl_crlf ();
1356 }
1357}
1358
1359/* Display MATCHES, a list of matching filenames in argv format. This
1360 handles the simple case -- a single match -- first. If there is more
1361 than one match, we compute the number of strings in the list and the
1362 length of the longest string, which will be needed by the display
1363 function. If the application wants to handle displaying the list of
1364 matches itself, it sets RL_COMPLETION_DISPLAY_MATCHES_HOOK to the
1365 address of a function, and we just call it. If we're handling the
1366 display ourselves, we just call rl_display_match_list. We also check
1367 that the list of matches doesn't exceed the user-settable threshold,
1368 and ask the user if he wants to see the list if there are more matches
1369 than RL_COMPLETION_QUERY_ITEMS. */
1370static void
1371display_matches (matches)
1372 char **matches;
1373{
1374 int len, max, i;
1375 char *temp;
1376
1377 /* Move to the last visible line of a possibly-multiple-line command. */
1378 _rl_move_vert (_rl_vis_botlin);
1379
1380 /* Handle simple case first. What if there is only one answer? */
1381 if (matches[1] == 0)
1382 {
1383 temp = printable_part (matches[0]);
1384 rl_crlf ();
1385 print_filename (temp, matches[0]);
1386 rl_crlf ();
1387
1388 rl_forced_update_display ();
1389 rl_display_fixed = 1;
1390
1391 return;
1392 }
1393
1394 /* There is more than one answer. Find out how many there are,
1395 and find the maximum printed length of a single entry. */
1396 for (max = 0, i = 1; matches[i]; i++)
1397 {
1398 temp = printable_part (matches[i]);
1399 len = fnwidth (temp);
1400
1401 if (len > max)
1402 max = len;
1403 }
1404
1405 len = i - 1;
1406
1407 /* If the caller has defined a display hook, then call that now. */
1408 if (rl_completion_display_matches_hook)
1409 {
1410 (*rl_completion_display_matches_hook) (matches, len, max);
1411 return;
1412 }
1413
1414 /* If there are many items, then ask the user if she really wants to
1415 see them all. */
|
1402 if (len >= rl_completion_query_items)
| 1416 if (rl_completion_query_items > 0 && len >= rl_completion_query_items)
|
1403 {
1404 rl_crlf ();
1405 fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len);
1406 fflush (rl_outstream);
1407 if (get_y_or_n (0) == 0)
1408 {
1409 rl_crlf ();
1410
1411 rl_forced_update_display ();
1412 rl_display_fixed = 1;
1413
1414 return;
1415 }
1416 }
1417
1418 rl_display_match_list (matches, len, max);
1419
1420 rl_forced_update_display ();
1421 rl_display_fixed = 1;
1422}
1423
1424static char *
1425make_quoted_replacement (match, mtype, qc)
1426 char *match;
1427 int mtype;
1428 char *qc; /* Pointer to quoting character, if any */
1429{
1430 int should_quote, do_replace;
1431 char *replacement;
1432
1433 /* If we are doing completion on quoted substrings, and any matches
1434 contain any of the completer_word_break_characters, then auto-
1435 matically prepend the substring with a quote character (just pick
1436 the first one from the list of such) if it does not already begin
1437 with a quote string. FIXME: Need to remove any such automatically
1438 inserted quote character when it no longer is necessary, such as
1439 if we change the string we are completing on and the new set of
1440 matches don't require a quoted substring. */
1441 replacement = match;
1442
1443 should_quote = match && rl_completer_quote_characters &&
1444 rl_filename_completion_desired &&
1445 rl_filename_quoting_desired;
1446
1447 if (should_quote)
1448 should_quote = should_quote && (!qc || !*qc ||
1449 (rl_completer_quote_characters && strchr (rl_completer_quote_characters, *qc)));
1450
1451 if (should_quote)
1452 {
1453 /* If there is a single match, see if we need to quote it.
1454 This also checks whether the common prefix of several
1455 matches needs to be quoted. */
1456 should_quote = rl_filename_quote_characters
1457 ? (_rl_strpbrk (match, rl_filename_quote_characters) != 0)
1458 : 0;
1459
1460 do_replace = should_quote ? mtype : NO_MATCH;
1461 /* Quote the replacement, since we found an embedded
1462 word break character in a potential match. */
1463 if (do_replace != NO_MATCH && rl_filename_quoting_function)
1464 replacement = (*rl_filename_quoting_function) (match, do_replace, qc);
1465 }
1466 return (replacement);
1467}
1468
1469static void
1470insert_match (match, start, mtype, qc)
1471 char *match;
1472 int start, mtype;
1473 char *qc;
1474{
1475 char *replacement;
1476 char oqc;
1477
1478 oqc = qc ? *qc : '\0';
1479 replacement = make_quoted_replacement (match, mtype, qc);
1480
1481 /* Now insert the match. */
1482 if (replacement)
1483 {
1484 /* Don't double an opening quote character. */
1485 if (qc && *qc && start && rl_line_buffer[start - 1] == *qc &&
1486 replacement[0] == *qc)
1487 start--;
1488 /* If make_quoted_replacement changed the quoting character, remove
1489 the opening quote and insert the (fully-quoted) replacement. */
1490 else if (qc && (*qc != oqc) && start && rl_line_buffer[start - 1] == oqc &&
1491 replacement[0] != oqc)
1492 start--;
1493 _rl_replace_text (replacement, start, rl_point - 1);
1494 if (replacement != match)
1495 free (replacement);
1496 }
1497}
1498
1499/* Append any necessary closing quote and a separator character to the
1500 just-inserted match. If the user has specified that directories
1501 should be marked by a trailing `/', append one of those instead. The
1502 default trailing character is a space. Returns the number of characters
1503 appended. If NONTRIVIAL_MATCH is set, we test for a symlink (if the OS
1504 has them) and don't add a suffix for a symlink to a directory. A
1505 nontrivial match is one that actually adds to the word being completed.
1506 The variable rl_completion_mark_symlink_dirs controls this behavior
1507 (it's initially set to the what the user has chosen, indicated by the
1508 value of _rl_complete_mark_symlink_dirs, but may be modified by an
1509 application's completion function). */
1510static int
1511append_to_match (text, delimiter, quote_char, nontrivial_match)
1512 char *text;
1513 int delimiter, quote_char, nontrivial_match;
1514{
1515 char temp_string[4], *filename;
1516 int temp_string_index, s;
1517 struct stat finfo;
1518
1519 temp_string_index = 0;
1520 if (quote_char && rl_point && rl_completion_suppress_quote == 0 &&
1521 rl_line_buffer[rl_point - 1] != quote_char)
1522 temp_string[temp_string_index++] = quote_char;
1523
1524 if (delimiter)
1525 temp_string[temp_string_index++] = delimiter;
1526 else if (rl_completion_suppress_append == 0 && rl_completion_append_character)
1527 temp_string[temp_string_index++] = rl_completion_append_character;
1528
1529 temp_string[temp_string_index++] = '\0';
1530
1531 if (rl_filename_completion_desired)
1532 {
1533 filename = tilde_expand (text);
1534 s = (nontrivial_match && rl_completion_mark_symlink_dirs == 0)
1535 ? LSTAT (filename, &finfo)
1536 : stat (filename, &finfo);
1537 if (s == 0 && S_ISDIR (finfo.st_mode))
1538 {
| 1417 {
1418 rl_crlf ();
1419 fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len);
1420 fflush (rl_outstream);
1421 if (get_y_or_n (0) == 0)
1422 {
1423 rl_crlf ();
1424
1425 rl_forced_update_display ();
1426 rl_display_fixed = 1;
1427
1428 return;
1429 }
1430 }
1431
1432 rl_display_match_list (matches, len, max);
1433
1434 rl_forced_update_display ();
1435 rl_display_fixed = 1;
1436}
1437
1438static char *
1439make_quoted_replacement (match, mtype, qc)
1440 char *match;
1441 int mtype;
1442 char *qc; /* Pointer to quoting character, if any */
1443{
1444 int should_quote, do_replace;
1445 char *replacement;
1446
1447 /* If we are doing completion on quoted substrings, and any matches
1448 contain any of the completer_word_break_characters, then auto-
1449 matically prepend the substring with a quote character (just pick
1450 the first one from the list of such) if it does not already begin
1451 with a quote string. FIXME: Need to remove any such automatically
1452 inserted quote character when it no longer is necessary, such as
1453 if we change the string we are completing on and the new set of
1454 matches don't require a quoted substring. */
1455 replacement = match;
1456
1457 should_quote = match && rl_completer_quote_characters &&
1458 rl_filename_completion_desired &&
1459 rl_filename_quoting_desired;
1460
1461 if (should_quote)
1462 should_quote = should_quote && (!qc || !*qc ||
1463 (rl_completer_quote_characters && strchr (rl_completer_quote_characters, *qc)));
1464
1465 if (should_quote)
1466 {
1467 /* If there is a single match, see if we need to quote it.
1468 This also checks whether the common prefix of several
1469 matches needs to be quoted. */
1470 should_quote = rl_filename_quote_characters
1471 ? (_rl_strpbrk (match, rl_filename_quote_characters) != 0)
1472 : 0;
1473
1474 do_replace = should_quote ? mtype : NO_MATCH;
1475 /* Quote the replacement, since we found an embedded
1476 word break character in a potential match. */
1477 if (do_replace != NO_MATCH && rl_filename_quoting_function)
1478 replacement = (*rl_filename_quoting_function) (match, do_replace, qc);
1479 }
1480 return (replacement);
1481}
1482
1483static void
1484insert_match (match, start, mtype, qc)
1485 char *match;
1486 int start, mtype;
1487 char *qc;
1488{
1489 char *replacement;
1490 char oqc;
1491
1492 oqc = qc ? *qc : '\0';
1493 replacement = make_quoted_replacement (match, mtype, qc);
1494
1495 /* Now insert the match. */
1496 if (replacement)
1497 {
1498 /* Don't double an opening quote character. */
1499 if (qc && *qc && start && rl_line_buffer[start - 1] == *qc &&
1500 replacement[0] == *qc)
1501 start--;
1502 /* If make_quoted_replacement changed the quoting character, remove
1503 the opening quote and insert the (fully-quoted) replacement. */
1504 else if (qc && (*qc != oqc) && start && rl_line_buffer[start - 1] == oqc &&
1505 replacement[0] != oqc)
1506 start--;
1507 _rl_replace_text (replacement, start, rl_point - 1);
1508 if (replacement != match)
1509 free (replacement);
1510 }
1511}
1512
1513/* Append any necessary closing quote and a separator character to the
1514 just-inserted match. If the user has specified that directories
1515 should be marked by a trailing `/', append one of those instead. The
1516 default trailing character is a space. Returns the number of characters
1517 appended. If NONTRIVIAL_MATCH is set, we test for a symlink (if the OS
1518 has them) and don't add a suffix for a symlink to a directory. A
1519 nontrivial match is one that actually adds to the word being completed.
1520 The variable rl_completion_mark_symlink_dirs controls this behavior
1521 (it's initially set to the what the user has chosen, indicated by the
1522 value of _rl_complete_mark_symlink_dirs, but may be modified by an
1523 application's completion function). */
1524static int
1525append_to_match (text, delimiter, quote_char, nontrivial_match)
1526 char *text;
1527 int delimiter, quote_char, nontrivial_match;
1528{
1529 char temp_string[4], *filename;
1530 int temp_string_index, s;
1531 struct stat finfo;
1532
1533 temp_string_index = 0;
1534 if (quote_char && rl_point && rl_completion_suppress_quote == 0 &&
1535 rl_line_buffer[rl_point - 1] != quote_char)
1536 temp_string[temp_string_index++] = quote_char;
1537
1538 if (delimiter)
1539 temp_string[temp_string_index++] = delimiter;
1540 else if (rl_completion_suppress_append == 0 && rl_completion_append_character)
1541 temp_string[temp_string_index++] = rl_completion_append_character;
1542
1543 temp_string[temp_string_index++] = '\0';
1544
1545 if (rl_filename_completion_desired)
1546 {
1547 filename = tilde_expand (text);
1548 s = (nontrivial_match && rl_completion_mark_symlink_dirs == 0)
1549 ? LSTAT (filename, &finfo)
1550 : stat (filename, &finfo);
1551 if (s == 0 && S_ISDIR (finfo.st_mode))
1552 {
|
1539 if (_rl_complete_mark_directories)
| 1553 if (_rl_complete_mark_directories /* && rl_completion_suppress_append == 0 */)
|
1540 {
1541 /* This is clumsy. Avoid putting in a double slash if point
1542 is at the end of the line and the previous character is a
1543 slash. */
1544 if (rl_point && rl_line_buffer[rl_point] == '\0' && rl_line_buffer[rl_point - 1] == '/')
1545 ;
1546 else if (rl_line_buffer[rl_point] != '/')
1547 rl_insert_text ("/");
1548 }
1549 }
1550#ifdef S_ISLNK
1551 /* Don't add anything if the filename is a symlink and resolves to a
1552 directory. */
1553 else if (s == 0 && S_ISLNK (finfo.st_mode) &&
1554 stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode))
1555 ;
1556#endif
1557 else
1558 {
1559 if (rl_point == rl_end && temp_string_index)
1560 rl_insert_text (temp_string);
1561 }
1562 free (filename);
1563 }
1564 else
1565 {
1566 if (rl_point == rl_end && temp_string_index)
1567 rl_insert_text (temp_string);
1568 }
1569
1570 return (temp_string_index);
1571}
1572
1573static void
1574insert_all_matches (matches, point, qc)
1575 char **matches;
1576 int point;
1577 char *qc;
1578{
1579 int i;
1580 char *rp;
1581
1582 rl_begin_undo_group ();
1583 /* remove any opening quote character; make_quoted_replacement will add
1584 it back. */
1585 if (qc && *qc && point && rl_line_buffer[point - 1] == *qc)
1586 point--;
1587 rl_delete_text (point, rl_point);
1588 rl_point = point;
1589
1590 if (matches[1])
1591 {
1592 for (i = 1; matches[i]; i++)
1593 {
1594 rp = make_quoted_replacement (matches[i], SINGLE_MATCH, qc);
1595 rl_insert_text (rp);
1596 rl_insert_text (" ");
1597 if (rp != matches[i])
1598 free (rp);
1599 }
1600 }
1601 else
1602 {
1603 rp = make_quoted_replacement (matches[0], SINGLE_MATCH, qc);
1604 rl_insert_text (rp);
1605 rl_insert_text (" ");
1606 if (rp != matches[0])
1607 free (rp);
1608 }
1609 rl_end_undo_group ();
1610}
1611
1612void
1613_rl_free_match_list (matches)
1614 char **matches;
1615{
1616 register int i;
1617
1618 if (matches == 0)
1619 return;
1620
1621 for (i = 0; matches[i]; i++)
1622 free (matches[i]);
1623 free (matches);
1624}
1625
1626/* Complete the word at or before point.
1627 WHAT_TO_DO says what to do with the completion.
1628 `?' means list the possible completions.
1629 TAB means do standard completion.
1630 `*' means insert all of the possible completions.
1631 `!' means to do standard completion, and list all possible completions if
1632 there is more than one.
1633 `@' means to do standard completion, and list all possible completions if
1634 there is more than one and partial completion is not possible. */
1635int
1636rl_complete_internal (what_to_do)
1637 int what_to_do;
1638{
1639 char **matches;
1640 rl_compentry_func_t *our_func;
1641 int start, end, delimiter, found_quote, i, nontrivial_lcd;
1642 char *text, *saved_line_buffer;
1643 char quote_char;
1644
1645 RL_SETSTATE(RL_STATE_COMPLETING);
1646
1647 set_completion_defaults (what_to_do);
1648
1649 saved_line_buffer = rl_line_buffer ? savestring (rl_line_buffer) : (char *)NULL;
1650 our_func = rl_completion_entry_function
1651 ? rl_completion_entry_function
1652 : rl_filename_completion_function;
1653 /* We now look backwards for the start of a filename/variable word. */
1654 end = rl_point;
1655 found_quote = delimiter = 0;
1656 quote_char = '\0';
1657
1658 if (rl_point)
1659 /* This (possibly) changes rl_point. If it returns a non-zero char,
1660 we know we have an open quote. */
1661 quote_char = _rl_find_completion_word (&found_quote, &delimiter);
1662
1663 start = rl_point;
1664 rl_point = end;
1665
1666 text = rl_copy_text (start, end);
1667 matches = gen_completion_matches (text, start, end, our_func, found_quote, quote_char);
1668 /* nontrivial_lcd is set if the common prefix adds something to the word
1669 being completed. */
1670 nontrivial_lcd = matches && strcmp (text, matches[0]) != 0;
1671 free (text);
1672
1673 if (matches == 0)
1674 {
1675 rl_ding ();
1676 FREE (saved_line_buffer);
1677 completion_changed_buffer = 0;
1678 RL_UNSETSTATE(RL_STATE_COMPLETING);
1679 return (0);
1680 }
1681
1682 /* If we are matching filenames, the attempted completion function will
1683 have set rl_filename_completion_desired to a non-zero value. The basic
1684 rl_filename_completion_function does this. */
1685 i = rl_filename_completion_desired;
1686
1687 if (postprocess_matches (&matches, i) == 0)
1688 {
1689 rl_ding ();
1690 FREE (saved_line_buffer);
1691 completion_changed_buffer = 0;
1692 RL_UNSETSTATE(RL_STATE_COMPLETING);
1693 return (0);
1694 }
1695
1696 switch (what_to_do)
1697 {
1698 case TAB:
1699 case '!':
1700 case '@':
1701 /* Insert the first match with proper quoting. */
1702 if (*matches[0])
1703 insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char);
1704
1705 /* If there are more matches, ring the bell to indicate.
1706 If we are in vi mode, Posix.2 says to not ring the bell.
1707 If the `show-all-if-ambiguous' variable is set, display
1708 all the matches immediately. Otherwise, if this was the
1709 only match, and we are hacking files, check the file to
1710 see if it was a directory. If so, and the `mark-directories'
1711 variable is set, add a '/' to the name. If not, and we
1712 are at the end of the line, then add a space. */
1713 if (matches[1])
1714 {
1715 if (what_to_do == '!')
1716 {
1717 display_matches (matches);
1718 break;
1719 }
1720 else if (what_to_do == '@')
1721 {
1722 if (nontrivial_lcd == 0)
1723 display_matches (matches);
1724 break;
1725 }
1726 else if (rl_editing_mode != vi_mode)
1727 rl_ding (); /* There are other matches remaining. */
1728 }
1729 else
1730 append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd);
1731
1732 break;
1733
1734 case '*':
1735 insert_all_matches (matches, start, "e_char);
1736 break;
1737
1738 case '?':
1739 display_matches (matches);
1740 break;
1741
1742 default:
1743 fprintf (stderr, "\r\nreadline: bad value %d for what_to_do in rl_complete\n", what_to_do);
1744 rl_ding ();
1745 FREE (saved_line_buffer);
1746 RL_UNSETSTATE(RL_STATE_COMPLETING);
1747 return 1;
1748 }
1749
1750 _rl_free_match_list (matches);
1751
1752 /* Check to see if the line has changed through all of this manipulation. */
1753 if (saved_line_buffer)
1754 {
1755 completion_changed_buffer = strcmp (rl_line_buffer, saved_line_buffer) != 0;
1756 free (saved_line_buffer);
1757 }
1758
1759 RL_UNSETSTATE(RL_STATE_COMPLETING);
1760 return 0;
1761}
1762
1763/***************************************************************/
1764/* */
1765/* Application-callable completion match generator functions */
1766/* */
1767/***************************************************************/
1768
1769/* Return an array of (char *) which is a list of completions for TEXT.
1770 If there are no completions, return a NULL pointer.
1771 The first entry in the returned array is the substitution for TEXT.
1772 The remaining entries are the possible completions.
1773 The array is terminated with a NULL pointer.
1774
1775 ENTRY_FUNCTION is a function of two args, and returns a (char *).
1776 The first argument is TEXT.
1777 The second is a state argument; it should be zero on the first call, and
1778 non-zero on subsequent calls. It returns a NULL pointer to the caller
1779 when there are no more matches.
1780 */
1781char **
1782rl_completion_matches (text, entry_function)
1783 const char *text;
1784 rl_compentry_func_t *entry_function;
1785{
1786 /* Number of slots in match_list. */
1787 int match_list_size;
1788
1789 /* The list of matches. */
1790 char **match_list;
1791
1792 /* Number of matches actually found. */
1793 int matches;
1794
1795 /* Temporary string binder. */
1796 char *string;
1797
1798 matches = 0;
1799 match_list_size = 10;
1800 match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
1801 match_list[1] = (char *)NULL;
1802
1803 while (string = (*entry_function) (text, matches))
1804 {
1805 if (matches + 1 == match_list_size)
1806 match_list = (char **)xrealloc
1807 (match_list, ((match_list_size += 10) + 1) * sizeof (char *));
1808
1809 match_list[++matches] = string;
1810 match_list[matches + 1] = (char *)NULL;
1811 }
1812
1813 /* If there were any matches, then look through them finding out the
1814 lowest common denominator. That then becomes match_list[0]. */
1815 if (matches)
1816 compute_lcd_of_matches (match_list, matches, text);
1817 else /* There were no matches. */
1818 {
1819 free (match_list);
1820 match_list = (char **)NULL;
1821 }
1822 return (match_list);
1823}
1824
1825/* A completion function for usernames.
1826 TEXT contains a partial username preceded by a random
1827 character (usually `~'). */
1828char *
1829rl_username_completion_function (text, state)
1830 const char *text;
1831 int state;
1832{
1833#if defined (__WIN32__) || defined (__OPENNT)
1834 return (char *)NULL;
1835#else /* !__WIN32__ && !__OPENNT) */
1836 static char *username = (char *)NULL;
1837 static struct passwd *entry;
1838 static int namelen, first_char, first_char_loc;
1839 char *value;
1840
1841 if (state == 0)
1842 {
1843 FREE (username);
1844
1845 first_char = *text;
1846 first_char_loc = first_char == '~';
1847
1848 username = savestring (&text[first_char_loc]);
1849 namelen = strlen (username);
1850 setpwent ();
1851 }
1852
| 1554 {
1555 /* This is clumsy. Avoid putting in a double slash if point
1556 is at the end of the line and the previous character is a
1557 slash. */
1558 if (rl_point && rl_line_buffer[rl_point] == '\0' && rl_line_buffer[rl_point - 1] == '/')
1559 ;
1560 else if (rl_line_buffer[rl_point] != '/')
1561 rl_insert_text ("/");
1562 }
1563 }
1564#ifdef S_ISLNK
1565 /* Don't add anything if the filename is a symlink and resolves to a
1566 directory. */
1567 else if (s == 0 && S_ISLNK (finfo.st_mode) &&
1568 stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode))
1569 ;
1570#endif
1571 else
1572 {
1573 if (rl_point == rl_end && temp_string_index)
1574 rl_insert_text (temp_string);
1575 }
1576 free (filename);
1577 }
1578 else
1579 {
1580 if (rl_point == rl_end && temp_string_index)
1581 rl_insert_text (temp_string);
1582 }
1583
1584 return (temp_string_index);
1585}
1586
1587static void
1588insert_all_matches (matches, point, qc)
1589 char **matches;
1590 int point;
1591 char *qc;
1592{
1593 int i;
1594 char *rp;
1595
1596 rl_begin_undo_group ();
1597 /* remove any opening quote character; make_quoted_replacement will add
1598 it back. */
1599 if (qc && *qc && point && rl_line_buffer[point - 1] == *qc)
1600 point--;
1601 rl_delete_text (point, rl_point);
1602 rl_point = point;
1603
1604 if (matches[1])
1605 {
1606 for (i = 1; matches[i]; i++)
1607 {
1608 rp = make_quoted_replacement (matches[i], SINGLE_MATCH, qc);
1609 rl_insert_text (rp);
1610 rl_insert_text (" ");
1611 if (rp != matches[i])
1612 free (rp);
1613 }
1614 }
1615 else
1616 {
1617 rp = make_quoted_replacement (matches[0], SINGLE_MATCH, qc);
1618 rl_insert_text (rp);
1619 rl_insert_text (" ");
1620 if (rp != matches[0])
1621 free (rp);
1622 }
1623 rl_end_undo_group ();
1624}
1625
1626void
1627_rl_free_match_list (matches)
1628 char **matches;
1629{
1630 register int i;
1631
1632 if (matches == 0)
1633 return;
1634
1635 for (i = 0; matches[i]; i++)
1636 free (matches[i]);
1637 free (matches);
1638}
1639
1640/* Complete the word at or before point.
1641 WHAT_TO_DO says what to do with the completion.
1642 `?' means list the possible completions.
1643 TAB means do standard completion.
1644 `*' means insert all of the possible completions.
1645 `!' means to do standard completion, and list all possible completions if
1646 there is more than one.
1647 `@' means to do standard completion, and list all possible completions if
1648 there is more than one and partial completion is not possible. */
1649int
1650rl_complete_internal (what_to_do)
1651 int what_to_do;
1652{
1653 char **matches;
1654 rl_compentry_func_t *our_func;
1655 int start, end, delimiter, found_quote, i, nontrivial_lcd;
1656 char *text, *saved_line_buffer;
1657 char quote_char;
1658
1659 RL_SETSTATE(RL_STATE_COMPLETING);
1660
1661 set_completion_defaults (what_to_do);
1662
1663 saved_line_buffer = rl_line_buffer ? savestring (rl_line_buffer) : (char *)NULL;
1664 our_func = rl_completion_entry_function
1665 ? rl_completion_entry_function
1666 : rl_filename_completion_function;
1667 /* We now look backwards for the start of a filename/variable word. */
1668 end = rl_point;
1669 found_quote = delimiter = 0;
1670 quote_char = '\0';
1671
1672 if (rl_point)
1673 /* This (possibly) changes rl_point. If it returns a non-zero char,
1674 we know we have an open quote. */
1675 quote_char = _rl_find_completion_word (&found_quote, &delimiter);
1676
1677 start = rl_point;
1678 rl_point = end;
1679
1680 text = rl_copy_text (start, end);
1681 matches = gen_completion_matches (text, start, end, our_func, found_quote, quote_char);
1682 /* nontrivial_lcd is set if the common prefix adds something to the word
1683 being completed. */
1684 nontrivial_lcd = matches && strcmp (text, matches[0]) != 0;
1685 free (text);
1686
1687 if (matches == 0)
1688 {
1689 rl_ding ();
1690 FREE (saved_line_buffer);
1691 completion_changed_buffer = 0;
1692 RL_UNSETSTATE(RL_STATE_COMPLETING);
1693 return (0);
1694 }
1695
1696 /* If we are matching filenames, the attempted completion function will
1697 have set rl_filename_completion_desired to a non-zero value. The basic
1698 rl_filename_completion_function does this. */
1699 i = rl_filename_completion_desired;
1700
1701 if (postprocess_matches (&matches, i) == 0)
1702 {
1703 rl_ding ();
1704 FREE (saved_line_buffer);
1705 completion_changed_buffer = 0;
1706 RL_UNSETSTATE(RL_STATE_COMPLETING);
1707 return (0);
1708 }
1709
1710 switch (what_to_do)
1711 {
1712 case TAB:
1713 case '!':
1714 case '@':
1715 /* Insert the first match with proper quoting. */
1716 if (*matches[0])
1717 insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char);
1718
1719 /* If there are more matches, ring the bell to indicate.
1720 If we are in vi mode, Posix.2 says to not ring the bell.
1721 If the `show-all-if-ambiguous' variable is set, display
1722 all the matches immediately. Otherwise, if this was the
1723 only match, and we are hacking files, check the file to
1724 see if it was a directory. If so, and the `mark-directories'
1725 variable is set, add a '/' to the name. If not, and we
1726 are at the end of the line, then add a space. */
1727 if (matches[1])
1728 {
1729 if (what_to_do == '!')
1730 {
1731 display_matches (matches);
1732 break;
1733 }
1734 else if (what_to_do == '@')
1735 {
1736 if (nontrivial_lcd == 0)
1737 display_matches (matches);
1738 break;
1739 }
1740 else if (rl_editing_mode != vi_mode)
1741 rl_ding (); /* There are other matches remaining. */
1742 }
1743 else
1744 append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd);
1745
1746 break;
1747
1748 case '*':
1749 insert_all_matches (matches, start, "e_char);
1750 break;
1751
1752 case '?':
1753 display_matches (matches);
1754 break;
1755
1756 default:
1757 fprintf (stderr, "\r\nreadline: bad value %d for what_to_do in rl_complete\n", what_to_do);
1758 rl_ding ();
1759 FREE (saved_line_buffer);
1760 RL_UNSETSTATE(RL_STATE_COMPLETING);
1761 return 1;
1762 }
1763
1764 _rl_free_match_list (matches);
1765
1766 /* Check to see if the line has changed through all of this manipulation. */
1767 if (saved_line_buffer)
1768 {
1769 completion_changed_buffer = strcmp (rl_line_buffer, saved_line_buffer) != 0;
1770 free (saved_line_buffer);
1771 }
1772
1773 RL_UNSETSTATE(RL_STATE_COMPLETING);
1774 return 0;
1775}
1776
1777/***************************************************************/
1778/* */
1779/* Application-callable completion match generator functions */
1780/* */
1781/***************************************************************/
1782
1783/* Return an array of (char *) which is a list of completions for TEXT.
1784 If there are no completions, return a NULL pointer.
1785 The first entry in the returned array is the substitution for TEXT.
1786 The remaining entries are the possible completions.
1787 The array is terminated with a NULL pointer.
1788
1789 ENTRY_FUNCTION is a function of two args, and returns a (char *).
1790 The first argument is TEXT.
1791 The second is a state argument; it should be zero on the first call, and
1792 non-zero on subsequent calls. It returns a NULL pointer to the caller
1793 when there are no more matches.
1794 */
1795char **
1796rl_completion_matches (text, entry_function)
1797 const char *text;
1798 rl_compentry_func_t *entry_function;
1799{
1800 /* Number of slots in match_list. */
1801 int match_list_size;
1802
1803 /* The list of matches. */
1804 char **match_list;
1805
1806 /* Number of matches actually found. */
1807 int matches;
1808
1809 /* Temporary string binder. */
1810 char *string;
1811
1812 matches = 0;
1813 match_list_size = 10;
1814 match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
1815 match_list[1] = (char *)NULL;
1816
1817 while (string = (*entry_function) (text, matches))
1818 {
1819 if (matches + 1 == match_list_size)
1820 match_list = (char **)xrealloc
1821 (match_list, ((match_list_size += 10) + 1) * sizeof (char *));
1822
1823 match_list[++matches] = string;
1824 match_list[matches + 1] = (char *)NULL;
1825 }
1826
1827 /* If there were any matches, then look through them finding out the
1828 lowest common denominator. That then becomes match_list[0]. */
1829 if (matches)
1830 compute_lcd_of_matches (match_list, matches, text);
1831 else /* There were no matches. */
1832 {
1833 free (match_list);
1834 match_list = (char **)NULL;
1835 }
1836 return (match_list);
1837}
1838
1839/* A completion function for usernames.
1840 TEXT contains a partial username preceded by a random
1841 character (usually `~'). */
1842char *
1843rl_username_completion_function (text, state)
1844 const char *text;
1845 int state;
1846{
1847#if defined (__WIN32__) || defined (__OPENNT)
1848 return (char *)NULL;
1849#else /* !__WIN32__ && !__OPENNT) */
1850 static char *username = (char *)NULL;
1851 static struct passwd *entry;
1852 static int namelen, first_char, first_char_loc;
1853 char *value;
1854
1855 if (state == 0)
1856 {
1857 FREE (username);
1858
1859 first_char = *text;
1860 first_char_loc = first_char == '~';
1861
1862 username = savestring (&text[first_char_loc]);
1863 namelen = strlen (username);
1864 setpwent ();
1865 }
1866
|
| 1867#if defined (HAVE_GETPWENT)
|
1853 while (entry = getpwent ())
1854 {
1855 /* Null usernames should result in all users as possible completions. */
1856 if (namelen == 0 || (STREQN (username, entry->pw_name, namelen)))
1857 break;
1858 }
| 1868 while (entry = getpwent ())
1869 {
1870 /* Null usernames should result in all users as possible completions. */
1871 if (namelen == 0 || (STREQN (username, entry->pw_name, namelen)))
1872 break;
1873 }
|
| 1874#endif
|
1859
1860 if (entry == 0)
1861 {
| 1875
1876 if (entry == 0)
1877 {
|
| 1878#if defined (HAVE_GETPWENT)
|
1862 endpwent ();
| 1879 endpwent ();
|
| 1880#endif
|
1863 return ((char *)NULL);
1864 }
1865 else
1866 {
1867 value = (char *)xmalloc (2 + strlen (entry->pw_name));
1868
1869 *value = *text;
1870
1871 strcpy (value + first_char_loc, entry->pw_name);
1872
1873 if (first_char == '~')
1874 rl_filename_completion_desired = 1;
1875
1876 return (value);
1877 }
1878#endif /* !__WIN32__ && !__OPENNT */
1879}
1880
1881/* Okay, now we write the entry_function for filename completion. In the
1882 general case. Note that completion in the shell is a little different
1883 because of all the pathnames that must be followed when looking up the
1884 completion for a command. */
1885char *
1886rl_filename_completion_function (text, state)
1887 const char *text;
1888 int state;
1889{
1890 static DIR *directory = (DIR *)NULL;
1891 static char *filename = (char *)NULL;
1892 static char *dirname = (char *)NULL;
1893 static char *users_dirname = (char *)NULL;
1894 static int filename_len;
1895 char *temp;
1896 int dirlen;
1897 struct dirent *entry;
1898
1899 /* If we don't have any state, then do some initialization. */
1900 if (state == 0)
1901 {
1902 /* If we were interrupted before closing the directory or reading
1903 all of its contents, close it. */
1904 if (directory)
1905 {
1906 closedir (directory);
1907 directory = (DIR *)NULL;
1908 }
1909 FREE (dirname);
1910 FREE (filename);
1911 FREE (users_dirname);
1912
1913 filename = savestring (text);
1914 if (*text == 0)
1915 text = ".";
1916 dirname = savestring (text);
1917
1918 temp = strrchr (dirname, '/');
1919
1920#if defined (__MSDOS__)
1921 /* special hack for //X/... */
1922 if (dirname[0] == '/' && dirname[1] == '/' && ISALPHA ((unsigned char)dirname[2]) && dirname[3] == '/')
1923 temp = strrchr (dirname + 3, '/');
1924#endif
1925
1926 if (temp)
1927 {
1928 strcpy (filename, ++temp);
1929 *temp = '\0';
1930 }
1931#if defined (__MSDOS__)
1932 /* searches from current directory on the drive */
1933 else if (ISALPHA ((unsigned char)dirname[0]) && dirname[1] == ':')
1934 {
1935 strcpy (filename, dirname + 2);
1936 dirname[2] = '\0';
1937 }
1938#endif
1939 else
1940 {
1941 dirname[0] = '.';
1942 dirname[1] = '\0';
1943 }
1944
1945 /* We aren't done yet. We also support the "~user" syntax. */
1946
1947 /* Save the version of the directory that the user typed. */
1948 users_dirname = savestring (dirname);
1949
1950 if (*dirname == '~')
1951 {
1952 temp = tilde_expand (dirname);
1953 free (dirname);
1954 dirname = temp;
1955 }
1956
1957 if (rl_directory_rewrite_hook)
1958 (*rl_directory_rewrite_hook) (&dirname);
1959
1960 if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname))
1961 {
1962 free (users_dirname);
1963 users_dirname = savestring (dirname);
1964 }
1965
1966 directory = opendir (dirname);
1967 filename_len = strlen (filename);
1968
1969 rl_filename_completion_desired = 1;
1970 }
1971
1972 /* At this point we should entertain the possibility of hacking wildcarded
1973 filenames, like /usr/man/man<WILD>/te<TAB>. If the directory name
1974 contains globbing characters, then build an array of directories, and
1975 then map over that list while completing. */
1976 /* *** UNIMPLEMENTED *** */
1977
1978 /* Now that we have some state, we can read the directory. */
1979
1980 entry = (struct dirent *)NULL;
1981 while (directory && (entry = readdir (directory)))
1982 {
1983 /* Special case for no filename. If the user has disabled the
1984 `match-hidden-files' variable, skip filenames beginning with `.'.
1985 All other entries except "." and ".." match. */
1986 if (filename_len == 0)
1987 {
1988 if (_rl_match_hidden_files == 0 && HIDDEN_FILE (entry->d_name))
1989 continue;
1990
1991 if (entry->d_name[0] != '.' ||
1992 (entry->d_name[1] &&
1993 (entry->d_name[1] != '.' || entry->d_name[2])))
1994 break;
1995 }
1996 else
1997 {
1998 /* Otherwise, if these match up to the length of filename, then
1999 it is a match. */
2000 if (_rl_completion_case_fold)
2001 {
2002 if ((_rl_to_lower (entry->d_name[0]) == _rl_to_lower (filename[0])) &&
2003 (((int)D_NAMLEN (entry)) >= filename_len) &&
2004 (_rl_strnicmp (filename, entry->d_name, filename_len) == 0))
2005 break;
2006 }
2007 else
2008 {
2009 if ((entry->d_name[0] == filename[0]) &&
2010 (((int)D_NAMLEN (entry)) >= filename_len) &&
2011 (strncmp (filename, entry->d_name, filename_len) == 0))
2012 break;
2013 }
2014 }
2015 }
2016
2017 if (entry == 0)
2018 {
2019 if (directory)
2020 {
2021 closedir (directory);
2022 directory = (DIR *)NULL;
2023 }
2024 if (dirname)
2025 {
2026 free (dirname);
2027 dirname = (char *)NULL;
2028 }
2029 if (filename)
2030 {
2031 free (filename);
2032 filename = (char *)NULL;
2033 }
2034 if (users_dirname)
2035 {
2036 free (users_dirname);
2037 users_dirname = (char *)NULL;
2038 }
2039
2040 return (char *)NULL;
2041 }
2042 else
2043 {
2044 /* dirname && (strcmp (dirname, ".") != 0) */
2045 if (dirname && (dirname[0] != '.' || dirname[1]))
2046 {
2047 if (rl_complete_with_tilde_expansion && *users_dirname == '~')
2048 {
2049 dirlen = strlen (dirname);
2050 temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry));
2051 strcpy (temp, dirname);
2052 /* Canonicalization cuts off any final slash present. We
2053 may need to add it back. */
2054 if (dirname[dirlen - 1] != '/')
2055 {
2056 temp[dirlen++] = '/';
2057 temp[dirlen] = '\0';
2058 }
2059 }
2060 else
2061 {
2062 dirlen = strlen (users_dirname);
2063 temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry));
2064 strcpy (temp, users_dirname);
2065 /* Make sure that temp has a trailing slash here. */
2066 if (users_dirname[dirlen - 1] != '/')
2067 temp[dirlen++] = '/';
2068 }
2069
2070 strcpy (temp + dirlen, entry->d_name);
2071 }
2072 else
2073 temp = savestring (entry->d_name);
2074
2075 return (temp);
2076 }
2077}
2078
2079/* An initial implementation of a menu completion function a la tcsh. The
2080 first time (if the last readline command was not rl_menu_complete), we
2081 generate the list of matches. This code is very similar to the code in
2082 rl_complete_internal -- there should be a way to combine the two. Then,
2083 for each item in the list of matches, we insert the match in an undoable
2084 fashion, with the appropriate character appended (this happens on the
2085 second and subsequent consecutive calls to rl_menu_complete). When we
2086 hit the end of the match list, we restore the original unmatched text,
2087 ring the bell, and reset the counter to zero. */
2088int
2089rl_menu_complete (count, ignore)
2090 int count, ignore;
2091{
2092 rl_compentry_func_t *our_func;
2093 int matching_filenames, found_quote;
2094
2095 static char *orig_text;
2096 static char **matches = (char **)0;
2097 static int match_list_index = 0;
2098 static int match_list_size = 0;
2099 static int orig_start, orig_end;
2100 static char quote_char;
2101 static int delimiter;
2102
2103 /* The first time through, we generate the list of matches and set things
2104 up to insert them. */
2105 if (rl_last_func != rl_menu_complete)
2106 {
2107 /* Clean up from previous call, if any. */
2108 FREE (orig_text);
2109 if (matches)
2110 _rl_free_match_list (matches);
2111
2112 match_list_index = match_list_size = 0;
2113 matches = (char **)NULL;
2114
2115 /* Only the completion entry function can change these. */
2116 set_completion_defaults ('%');
2117
2118 our_func = rl_completion_entry_function
2119 ? rl_completion_entry_function
2120 : rl_filename_completion_function;
2121
2122 /* We now look backwards for the start of a filename/variable word. */
2123 orig_end = rl_point;
2124 found_quote = delimiter = 0;
2125 quote_char = '\0';
2126
2127 if (rl_point)
2128 /* This (possibly) changes rl_point. If it returns a non-zero char,
2129 we know we have an open quote. */
2130 quote_char = _rl_find_completion_word (&found_quote, &delimiter);
2131
2132 orig_start = rl_point;
2133 rl_point = orig_end;
2134
2135 orig_text = rl_copy_text (orig_start, orig_end);
2136 matches = gen_completion_matches (orig_text, orig_start, orig_end,
2137 our_func, found_quote, quote_char);
2138
2139 /* If we are matching filenames, the attempted completion function will
2140 have set rl_filename_completion_desired to a non-zero value. The basic
2141 rl_filename_completion_function does this. */
2142 matching_filenames = rl_filename_completion_desired;
2143
2144 if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0)
2145 {
2146 rl_ding ();
2147 FREE (matches);
2148 matches = (char **)0;
2149 FREE (orig_text);
2150 orig_text = (char *)0;
2151 completion_changed_buffer = 0;
2152 return (0);
2153 }
2154
2155 for (match_list_size = 0; matches[match_list_size]; match_list_size++)
2156 ;
2157 /* matches[0] is lcd if match_list_size > 1, but the circular buffer
2158 code below should take care of it. */
2159 }
2160
2161 /* Now we have the list of matches. Replace the text between
2162 rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with
2163 matches[match_list_index], and add any necessary closing char. */
2164
2165 if (matches == 0 || match_list_size == 0)
2166 {
2167 rl_ding ();
2168 FREE (matches);
2169 matches = (char **)0;
2170 completion_changed_buffer = 0;
2171 return (0);
2172 }
2173
| 1881 return ((char *)NULL);
1882 }
1883 else
1884 {
1885 value = (char *)xmalloc (2 + strlen (entry->pw_name));
1886
1887 *value = *text;
1888
1889 strcpy (value + first_char_loc, entry->pw_name);
1890
1891 if (first_char == '~')
1892 rl_filename_completion_desired = 1;
1893
1894 return (value);
1895 }
1896#endif /* !__WIN32__ && !__OPENNT */
1897}
1898
1899/* Okay, now we write the entry_function for filename completion. In the
1900 general case. Note that completion in the shell is a little different
1901 because of all the pathnames that must be followed when looking up the
1902 completion for a command. */
1903char *
1904rl_filename_completion_function (text, state)
1905 const char *text;
1906 int state;
1907{
1908 static DIR *directory = (DIR *)NULL;
1909 static char *filename = (char *)NULL;
1910 static char *dirname = (char *)NULL;
1911 static char *users_dirname = (char *)NULL;
1912 static int filename_len;
1913 char *temp;
1914 int dirlen;
1915 struct dirent *entry;
1916
1917 /* If we don't have any state, then do some initialization. */
1918 if (state == 0)
1919 {
1920 /* If we were interrupted before closing the directory or reading
1921 all of its contents, close it. */
1922 if (directory)
1923 {
1924 closedir (directory);
1925 directory = (DIR *)NULL;
1926 }
1927 FREE (dirname);
1928 FREE (filename);
1929 FREE (users_dirname);
1930
1931 filename = savestring (text);
1932 if (*text == 0)
1933 text = ".";
1934 dirname = savestring (text);
1935
1936 temp = strrchr (dirname, '/');
1937
1938#if defined (__MSDOS__)
1939 /* special hack for //X/... */
1940 if (dirname[0] == '/' && dirname[1] == '/' && ISALPHA ((unsigned char)dirname[2]) && dirname[3] == '/')
1941 temp = strrchr (dirname + 3, '/');
1942#endif
1943
1944 if (temp)
1945 {
1946 strcpy (filename, ++temp);
1947 *temp = '\0';
1948 }
1949#if defined (__MSDOS__)
1950 /* searches from current directory on the drive */
1951 else if (ISALPHA ((unsigned char)dirname[0]) && dirname[1] == ':')
1952 {
1953 strcpy (filename, dirname + 2);
1954 dirname[2] = '\0';
1955 }
1956#endif
1957 else
1958 {
1959 dirname[0] = '.';
1960 dirname[1] = '\0';
1961 }
1962
1963 /* We aren't done yet. We also support the "~user" syntax. */
1964
1965 /* Save the version of the directory that the user typed. */
1966 users_dirname = savestring (dirname);
1967
1968 if (*dirname == '~')
1969 {
1970 temp = tilde_expand (dirname);
1971 free (dirname);
1972 dirname = temp;
1973 }
1974
1975 if (rl_directory_rewrite_hook)
1976 (*rl_directory_rewrite_hook) (&dirname);
1977
1978 if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname))
1979 {
1980 free (users_dirname);
1981 users_dirname = savestring (dirname);
1982 }
1983
1984 directory = opendir (dirname);
1985 filename_len = strlen (filename);
1986
1987 rl_filename_completion_desired = 1;
1988 }
1989
1990 /* At this point we should entertain the possibility of hacking wildcarded
1991 filenames, like /usr/man/man<WILD>/te<TAB>. If the directory name
1992 contains globbing characters, then build an array of directories, and
1993 then map over that list while completing. */
1994 /* *** UNIMPLEMENTED *** */
1995
1996 /* Now that we have some state, we can read the directory. */
1997
1998 entry = (struct dirent *)NULL;
1999 while (directory && (entry = readdir (directory)))
2000 {
2001 /* Special case for no filename. If the user has disabled the
2002 `match-hidden-files' variable, skip filenames beginning with `.'.
2003 All other entries except "." and ".." match. */
2004 if (filename_len == 0)
2005 {
2006 if (_rl_match_hidden_files == 0 && HIDDEN_FILE (entry->d_name))
2007 continue;
2008
2009 if (entry->d_name[0] != '.' ||
2010 (entry->d_name[1] &&
2011 (entry->d_name[1] != '.' || entry->d_name[2])))
2012 break;
2013 }
2014 else
2015 {
2016 /* Otherwise, if these match up to the length of filename, then
2017 it is a match. */
2018 if (_rl_completion_case_fold)
2019 {
2020 if ((_rl_to_lower (entry->d_name[0]) == _rl_to_lower (filename[0])) &&
2021 (((int)D_NAMLEN (entry)) >= filename_len) &&
2022 (_rl_strnicmp (filename, entry->d_name, filename_len) == 0))
2023 break;
2024 }
2025 else
2026 {
2027 if ((entry->d_name[0] == filename[0]) &&
2028 (((int)D_NAMLEN (entry)) >= filename_len) &&
2029 (strncmp (filename, entry->d_name, filename_len) == 0))
2030 break;
2031 }
2032 }
2033 }
2034
2035 if (entry == 0)
2036 {
2037 if (directory)
2038 {
2039 closedir (directory);
2040 directory = (DIR *)NULL;
2041 }
2042 if (dirname)
2043 {
2044 free (dirname);
2045 dirname = (char *)NULL;
2046 }
2047 if (filename)
2048 {
2049 free (filename);
2050 filename = (char *)NULL;
2051 }
2052 if (users_dirname)
2053 {
2054 free (users_dirname);
2055 users_dirname = (char *)NULL;
2056 }
2057
2058 return (char *)NULL;
2059 }
2060 else
2061 {
2062 /* dirname && (strcmp (dirname, ".") != 0) */
2063 if (dirname && (dirname[0] != '.' || dirname[1]))
2064 {
2065 if (rl_complete_with_tilde_expansion && *users_dirname == '~')
2066 {
2067 dirlen = strlen (dirname);
2068 temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry));
2069 strcpy (temp, dirname);
2070 /* Canonicalization cuts off any final slash present. We
2071 may need to add it back. */
2072 if (dirname[dirlen - 1] != '/')
2073 {
2074 temp[dirlen++] = '/';
2075 temp[dirlen] = '\0';
2076 }
2077 }
2078 else
2079 {
2080 dirlen = strlen (users_dirname);
2081 temp = (char *)xmalloc (2 + dirlen + D_NAMLEN (entry));
2082 strcpy (temp, users_dirname);
2083 /* Make sure that temp has a trailing slash here. */
2084 if (users_dirname[dirlen - 1] != '/')
2085 temp[dirlen++] = '/';
2086 }
2087
2088 strcpy (temp + dirlen, entry->d_name);
2089 }
2090 else
2091 temp = savestring (entry->d_name);
2092
2093 return (temp);
2094 }
2095}
2096
2097/* An initial implementation of a menu completion function a la tcsh. The
2098 first time (if the last readline command was not rl_menu_complete), we
2099 generate the list of matches. This code is very similar to the code in
2100 rl_complete_internal -- there should be a way to combine the two. Then,
2101 for each item in the list of matches, we insert the match in an undoable
2102 fashion, with the appropriate character appended (this happens on the
2103 second and subsequent consecutive calls to rl_menu_complete). When we
2104 hit the end of the match list, we restore the original unmatched text,
2105 ring the bell, and reset the counter to zero. */
2106int
2107rl_menu_complete (count, ignore)
2108 int count, ignore;
2109{
2110 rl_compentry_func_t *our_func;
2111 int matching_filenames, found_quote;
2112
2113 static char *orig_text;
2114 static char **matches = (char **)0;
2115 static int match_list_index = 0;
2116 static int match_list_size = 0;
2117 static int orig_start, orig_end;
2118 static char quote_char;
2119 static int delimiter;
2120
2121 /* The first time through, we generate the list of matches and set things
2122 up to insert them. */
2123 if (rl_last_func != rl_menu_complete)
2124 {
2125 /* Clean up from previous call, if any. */
2126 FREE (orig_text);
2127 if (matches)
2128 _rl_free_match_list (matches);
2129
2130 match_list_index = match_list_size = 0;
2131 matches = (char **)NULL;
2132
2133 /* Only the completion entry function can change these. */
2134 set_completion_defaults ('%');
2135
2136 our_func = rl_completion_entry_function
2137 ? rl_completion_entry_function
2138 : rl_filename_completion_function;
2139
2140 /* We now look backwards for the start of a filename/variable word. */
2141 orig_end = rl_point;
2142 found_quote = delimiter = 0;
2143 quote_char = '\0';
2144
2145 if (rl_point)
2146 /* This (possibly) changes rl_point. If it returns a non-zero char,
2147 we know we have an open quote. */
2148 quote_char = _rl_find_completion_word (&found_quote, &delimiter);
2149
2150 orig_start = rl_point;
2151 rl_point = orig_end;
2152
2153 orig_text = rl_copy_text (orig_start, orig_end);
2154 matches = gen_completion_matches (orig_text, orig_start, orig_end,
2155 our_func, found_quote, quote_char);
2156
2157 /* If we are matching filenames, the attempted completion function will
2158 have set rl_filename_completion_desired to a non-zero value. The basic
2159 rl_filename_completion_function does this. */
2160 matching_filenames = rl_filename_completion_desired;
2161
2162 if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0)
2163 {
2164 rl_ding ();
2165 FREE (matches);
2166 matches = (char **)0;
2167 FREE (orig_text);
2168 orig_text = (char *)0;
2169 completion_changed_buffer = 0;
2170 return (0);
2171 }
2172
2173 for (match_list_size = 0; matches[match_list_size]; match_list_size++)
2174 ;
2175 /* matches[0] is lcd if match_list_size > 1, but the circular buffer
2176 code below should take care of it. */
2177 }
2178
2179 /* Now we have the list of matches. Replace the text between
2180 rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with
2181 matches[match_list_index], and add any necessary closing char. */
2182
2183 if (matches == 0 || match_list_size == 0)
2184 {
2185 rl_ding ();
2186 FREE (matches);
2187 matches = (char **)0;
2188 completion_changed_buffer = 0;
2189 return (0);
2190 }
2191
|
2174 match_list_index = (match_list_index + count) % match_list_size;
| 2192 match_list_index += count;
|
2175 if (match_list_index < 0)
2176 match_list_index += match_list_size;
| 2193 if (match_list_index < 0)
2194 match_list_index += match_list_size;
|
| 2195 else
2196 match_list_index %= match_list_size;
|
2177
2178 if (match_list_index == 0 && match_list_size > 1)
2179 {
2180 rl_ding ();
2181 insert_match (orig_text, orig_start, MULT_MATCH, "e_char);
2182 }
2183 else
2184 {
2185 insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char);
2186 append_to_match (matches[match_list_index], delimiter, quote_char,
2187 strcmp (orig_text, matches[match_list_index]));
2188 }
2189
2190 completion_changed_buffer = 1;
2191 return (0);
2192}
| 2197
2198 if (match_list_index == 0 && match_list_size > 1)
2199 {
2200 rl_ding ();
2201 insert_match (orig_text, orig_start, MULT_MATCH, "e_char);
2202 }
2203 else
2204 {
2205 insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char);
2206 append_to_match (matches[match_list_index], delimiter, quote_char,
2207 strcmp (orig_text, matches[match_list_index]));
2208 }
2209
2210 completion_changed_buffer = 1;
2211 return (0);
2212}
|