/* complete.c -- filename completion for readline. */
-/* Copyright (C) 1987-2011 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2012 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
# include <sys/file.h>
#endif
+#include <signal.h>
+
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include "xmalloc.h"
#include "rlprivate.h"
+#if defined (COLOR_SUPPORT)
+# include "colors.h"
+#endif
+
#ifdef __STDC__
typedef int QSFUNC (const void *, const void *);
#else
longest string in that array. */
rl_compdisp_func_t *rl_completion_display_matches_hook = (rl_compdisp_func_t *)NULL;
-#if defined (VISIBLE_STATS)
+#if defined (VISIBLE_STATS) || defined (COLOR_SUPPORT)
# if !defined (X_OK)
# define X_OK 1
# endif
+#endif
+
+#if defined (VISIBLE_STATS)
static int stat_char PARAMS((char *));
#endif
+#if defined (COLOR_SUPPORT)
+static int colored_stat_start PARAMS((char *));
+static void colored_stat_end PARAMS((void));
+#endif
+
static int path_isdir PARAMS((const char *));
static char *rl_quote_filename PARAMS((char *, int, char *));
+static void _rl_complete_sigcleanup PARAMS((int, void *));
+
static void set_completion_defaults PARAMS((int));
static int get_y_or_n PARAMS((int));
static int _rl_internal_pager PARAMS((int));
int rl_visible_stats = 0;
#endif /* VISIBLE_STATS */
+#if defined (COLOR_SUPPORT)
+/* Non-zero means to use colors to indicate file type when listing possible
+ completions. The colors used are taken from $LS_COLORS, if set. */
+int _rl_colored_stats = 0;
+#endif
+
/* If non-zero, when completing in the middle of a word, don't insert
characters from the match that match characters following point in
the word. This means, for instance, completing when the cursor is
rl_icppfunc_t *rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL;
+rl_icppfunc_t *rl_filename_stat_hook = (rl_icppfunc_t *)NULL;
+
/* If non-zero, this is the address of a function to call when reading
directory entries from the filesystem for completion and comparing
them to the partial word to be completed. The function should
rl_completion_quote_character = 0;
}
+static void
+_rl_complete_sigcleanup (sig, ptr)
+ int sig;
+ void *ptr;
+{
+ if (sig == SIGINT) /* XXX - for now */
+ _rl_free_match_list ((char **)ptr);
+}
+
/* Set default values for readline word completion. These are the variables
that application completion functions can change or inspect. */
static void
{
struct stat finfo;
int character, r;
+ char *f;
+ const char *fn;
/* Short-circuit a //server on cygwin, since that will always behave as
a directory. */
return '/';
#endif
+ f = 0;
+ if (rl_filename_stat_hook)
+ {
+ f = savestring (filename);
+ (*rl_filename_stat_hook) (&f);
+ fn = f;
+ }
+ else
+ fn = filename;
+
#if defined (HAVE_LSTAT) && defined (S_ISLNK)
- r = lstat (filename, &finfo);
+ r = lstat (fn, &finfo);
#else
- r = stat (filename, &finfo);
+ r = stat (fn, &finfo);
#endif
if (r == -1)
if (access (filename, X_OK) == 0)
character = '*';
}
+
+ free (f);
return (character);
}
#endif /* VISIBLE_STATS */
+#if defined (COLOR_SUPPORT)
+static int
+colored_stat_start (filename)
+ char *filename;
+{
+ _rl_set_normal_color ();
+ return (_rl_print_color_indicator (filename));
+}
+
+static void
+colored_stat_end ()
+{
+ _rl_prep_non_filename_text ();
+ _rl_put_indicator (&_rl_color_indicator[C_CLR_TO_EOL]);
+}
+#endif
+
/* Return the portion of PATHNAME that should be output when listing
possible completions. If we are hacking filename completion, we
are only interested in the basename, the portion following the
else
{
pos += clen;
- w = wcwidth (wc);
+ w = WCWIDTH (wc);
width += (w >= 0) ? w : 1;
}
#else
break;
else
{
- w = wcwidth (wc);
+ w = WCWIDTH (wc);
width = (w >= 0) ? w : 1;
}
fwrite (s, 1, tlen, rl_outstream);
char *s, c, *new_full_pathname, *dn;
extension_char = 0;
- printed_len = fnprint (to_print, prefix_bytes);
+#if defined (COLOR_SUPPORT)
+ /* Defer printing if we want to prefix with a color indicator */
+ if (_rl_colored_stats == 0 || rl_filename_completion_desired == 0)
+#endif
+ printed_len = fnprint (to_print, prefix_bytes);
+ if (rl_filename_completion_desired && (
#if defined (VISIBLE_STATS)
- if (rl_filename_completion_desired && (rl_visible_stats || _rl_complete_mark_directories))
-#else
- if (rl_filename_completion_desired && _rl_complete_mark_directories)
+ rl_visible_stats ||
#endif
+#if defined (COLOR_SUPPORT)
+ _rl_colored_stats ||
+#endif
+ _rl_complete_mark_directories))
{
/* If to_print != full_pathname, to_print is the basename of the
path passed. In this case, we try to expand the directory
extension_char = stat_char (new_full_pathname);
else
#endif
- if (path_isdir (new_full_pathname))
- extension_char = '/';
+ if (_rl_complete_mark_directories)
+ {
+ dn = 0;
+ if (rl_directory_completion_hook == 0 && rl_filename_stat_hook)
+ {
+ dn = savestring (new_full_pathname);
+ (*rl_filename_stat_hook) (&dn);
+ free (new_full_pathname);
+ new_full_pathname = dn;
+ }
+ if (path_isdir (new_full_pathname))
+ extension_char = '/';
+ }
+
+#if defined (COLOR_SUPPORT)
+ if (_rl_colored_stats)
+ {
+ colored_stat_start (new_full_pathname);
+ printed_len = fnprint (to_print, prefix_bytes);
+ colored_stat_end ();
+ }
+#endif
xfree (new_full_pathname);
to_print[-1] = c;
extension_char = stat_char (s);
else
#endif
- if (path_isdir (s))
+ if (_rl_complete_mark_directories && path_isdir (s))
extension_char = '/';
+
+#if defined (COLOR_SUPPORT)
+ if (_rl_colored_stats)
+ {
+ colored_stat_start (s);
+ printed_len = fnprint (to_print, prefix_bytes);
+ colored_stat_end ();
+ }
+#endif
+
}
xfree (s);
variable rl_attempted_completion_function. */
if (rl_attempted_completion_function)
{
- _rl_interrupt_immediately++;
matches = (*rl_attempted_completion_function) (text, start, end);
- if (_rl_interrupt_immediately > 0)
- _rl_interrupt_immediately--;
+ if (RL_SIG_RECEIVED())
+ {
+ _rl_free_match_list (matches);
+ matches = 0;
+ RL_CHECK_SIGNALS ();
+ }
if (matches || rl_attempted_completion_over)
{
/* XXX -- filename dequoting moved into rl_filename_completion_function */
+ /* rl_completion_matches will check for signals as well to avoid a long
+ delay while reading a directory. */
matches = rl_completion_matches (text, our_func);
+ if (RL_SIG_RECEIVED())
+ {
+ _rl_free_match_list (matches);
+ matches = 0;
+ RL_CHECK_SIGNALS ();
+ }
return matches;
}
{
register int i, c1, c2, si;
int low; /* Count of max-matched characters. */
+ int lx;
char *dtext; /* dequoted TEXT, if needed */
#if defined (HANDLE_MULTIBYTE)
int v;
+ size_t v1, v2;
mbstate_t ps1, ps2;
wchar_t wc1, wc2;
#endif
#if defined (HANDLE_MULTIBYTE)
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
{
- v = mbrtowc (&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1);
- mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2);
+ v1 = mbrtowc(&wc1, match_list[i]+si, strlen (match_list[i]+si), &ps1);
+ v2 = mbrtowc (&wc2, match_list[i+1]+si, strlen (match_list[i+1]+si), &ps2);
+ if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2))
+ {
+ if (c1 != c2) /* do byte comparison */
+ break;
+ continue;
+ }
wc1 = towlower (wc1);
wc2 = towlower (wc2);
if (wc1 != wc2)
break;
- else if (v > 1)
- si += v - 1;
+ else if (v1 > 1)
+ si += v1 - 1;
}
else
#endif
qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare);
si = strlen (text);
- if (si <= low)
- {
- for (i = 1; i <= matches; i++)
- if (strncmp (match_list[i], text, si) == 0)
- {
- strncpy (match_list[0], match_list[i], low);
- break;
- }
- /* no casematch, use first entry */
- if (i > matches)
- strncpy (match_list[0], match_list[1], low);
- }
- else
- /* otherwise, just use the text the user typed. */
- strncpy (match_list[0], text, low);
+ lx = (si <= low) ? si : low; /* check shorter of text and matches */
+ /* Try to preserve the case of what the user typed in the presence of
+ multiple matches: check each match for something that matches
+ what the user typed taking case into account; use it up to common
+ length of matches if one is found. If not, just use first match. */
+ for (i = 1; i <= matches; i++)
+ if (strncmp (match_list[i], text, lx) == 0)
+ {
+ strncpy (match_list[0], match_list[i], low);
+ break;
+ }
+ /* no casematch, use first entry */
+ if (i > matches)
+ strncpy (match_list[0], match_list[1], low);
FREE (dtext);
}
return 0;
/* It seems to me that in all the cases we handle we would like
- to ignore duplicate possiblilities. Scan for the text to
+ to ignore duplicate possibilities. Scan for the text to
insert being identical to the other completions. */
if (rl_ignore_completion_duplicates)
{
/* Have we reached the end of this line? */
if (matches[i+1])
{
- if (i && (limit > 1) && (i % limit) == 0)
+ if (limit == 1 || (i && (limit > 1) && (i % limit) == 0))
{
rl_crlf ();
lines++;
char *text;
int delimiter, quote_char, nontrivial_match;
{
- char temp_string[4], *filename;
+ char temp_string[4], *filename, *fn;
int temp_string_index, s;
struct stat finfo;
if (rl_filename_completion_desired)
{
filename = tilde_expand (text);
+ if (rl_filename_stat_hook)
+ {
+ fn = savestring (filename);
+ (*rl_filename_stat_hook) (&fn);
+ xfree (filename);
+ filename = fn;
+ }
s = (nontrivial_match && rl_completion_mark_symlink_dirs == 0)
? LSTAT (filename, &finfo)
: stat (filename, &finfo);
#ifdef S_ISLNK
/* Don't add anything if the filename is a symlink and resolves to a
directory. */
- else if (s == 0 && S_ISLNK (finfo.st_mode) &&
- stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode))
+ else if (s == 0 && S_ISLNK (finfo.st_mode) && path_isdir (filename))
;
#endif
else
/* nontrivial_lcd is set if the common prefix adds something to the word
being completed. */
nontrivial_lcd = matches && strcmp (text, matches[0]) != 0;
-#if 1
if (what_to_do == '!' || what_to_do == '@')
tlen = strlen (text);
-#endif
xfree (text);
if (matches == 0)
case '!':
case '@':
/* Insert the first match with proper quoting. */
-#if 0
- if (*matches[0])
- insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char);
-#else
if (what_to_do == TAB)
{
if (*matches[0])
if (mlen >= tlen)
insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char);
}
-#endif
/* If there are more matches, ring the bell to indicate.
If we are in vi mode, Posix.2 says to not ring the bell.
break;
case '?':
+ if (rl_completion_display_matches_hook == 0)
+ {
+ _rl_sigcleanup = _rl_complete_sigcleanup;
+ _rl_sigcleanarg = matches;
+ }
display_matches (matches);
+ _rl_sigcleanup = 0;
+ _rl_sigcleanarg = 0;
break;
default:
rl_ding ();
FREE (saved_line_buffer);
RL_UNSETSTATE(RL_STATE_COMPLETING);
+ _rl_free_match_list (matches);
_rl_reset_completion_state ();
return 1;
}
const char *text;
rl_compentry_func_t *entry_function;
{
+ register int i;
+
/* Number of slots in match_list. */
int match_list_size;
match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
match_list[1] = (char *)NULL;
- _rl_interrupt_immediately++;
while (string = (*entry_function) (text, matches))
{
- if (matches + 1 == match_list_size)
+ if (RL_SIG_RECEIVED ())
+ {
+ /* Start at 1 because we don't set matches[0] in this function.
+ Only free the list members if we're building match list from
+ rl_filename_completion_function, since we know that doesn't
+ free the strings it returns. */
+ if (entry_function == rl_filename_completion_function)
+ {
+ for (i = 1; match_list[i]; i++)
+ xfree (match_list[i]);
+ }
+ xfree (match_list);
+ match_list = 0;
+ match_list_size = 0;
+ matches = 0;
+ RL_CHECK_SIGNALS ();
+ }
+
+ if (matches + 1 >= match_list_size)
match_list = (char **)xrealloc
(match_list, ((match_list_size += 10) + 1) * sizeof (char *));
+ if (match_list == 0)
+ return (match_list);
+
match_list[++matches] = string;
match_list[matches + 1] = (char *)NULL;
}
- if (_rl_interrupt_immediately > 0)
- _rl_interrupt_immediately--;
/* If there were any matches, then look through them finding out the
lowest common denominator. That then becomes match_list[0]. */
username = savestring (&text[first_char_loc]);
namelen = strlen (username);
+#if defined (HAVE_GETPWENT)
setpwent ();
+#endif
}
#if defined (HAVE_GETPWENT)
/* Return non-zero if CONVFN matches FILENAME up to the length of FILENAME
(FILENAME_LEN). If _rl_completion_case_fold is set, compare without
- regard to the alphabetic case of characters. CONVFN is the possibly-
- converted directory entry; FILENAME is what the user typed. */
+ regard to the alphabetic case of characters. If
+ _rl_completion_case_map is set, make `-' and `_' equivalent. CONVFN is
+ the possibly-converted directory entry; FILENAME is what the user typed. */
static int
complete_fncmp (convfn, convlen, filename, filename_len)
const char *convfn;
{
register char *s1, *s2;
int d, len;
+#if defined (HANDLE_MULTIBYTE)
+ size_t v1, v2;
+ mbstate_t ps1, ps2;
+ wchar_t wc1, wc2;
+#endif
+
+#if defined (HANDLE_MULTIBYTE)
+ memset (&ps1, 0, sizeof (mbstate_t));
+ memset (&ps2, 0, sizeof (mbstate_t));
+#endif
+
+ if (filename_len == 0)
+ return 1;
+ if (convlen < filename_len)
+ return 0;
+
+ len = filename_len;
+ s1 = (char *)convfn;
+ s2 = (char *)filename;
/* Otherwise, if these match up to the length of filename, then
it is a match. */
if (_rl_completion_case_fold && _rl_completion_case_map)
{
/* Case-insensitive comparison treating _ and - as equivalent */
- if (filename_len == 0)
- return 1;
- if (convlen < filename_len)
- return 0;
- s1 = (char *)convfn;
- s2 = (char *)filename;
- len = filename_len;
- do
+#if defined (HANDLE_MULTIBYTE)
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ {
+ do
+ {
+ v1 = mbrtowc (&wc1, s1, convlen, &ps1);
+ v2 = mbrtowc (&wc2, s2, filename_len, &ps2);
+ if (v1 == 0 && v2 == 0)
+ return 1;
+ else if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2))
+ {
+ if (*s1 != *s2) /* do byte comparison */
+ return 0;
+ else if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_'))
+ return 0;
+ s1++; s2++; len--;
+ continue;
+ }
+ wc1 = towlower (wc1);
+ wc2 = towlower (wc2);
+ s1 += v1;
+ s2 += v1;
+ len -= v1;
+ if ((wc1 == L'-' || wc1 == L'_') && (wc2 == L'-' || wc2 == L'_'))
+ continue;
+ if (wc1 != wc2)
+ return 0;
+ }
+ while (len != 0);
+ }
+ else
+#endif
{
- d = _rl_to_lower (*s1) - _rl_to_lower (*s2);
- /* *s1 == [-_] && *s2 == [-_] */
- if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_'))
- d = 0;
- if (d != 0)
- return 0;
- s1++; s2++; /* already checked convlen >= filename_len */
+ do
+ {
+ d = _rl_to_lower (*s1) - _rl_to_lower (*s2);
+ /* *s1 == [-_] && *s2 == [-_] */
+ if ((*s1 == '-' || *s1 == '_') && (*s2 == '-' || *s2 == '_'))
+ d = 0;
+ if (d != 0)
+ return 0;
+ s1++; s2++; /* already checked convlen >= filename_len */
+ }
+ while (--len != 0);
}
- while (--len != 0);
+
return 1;
}
else if (_rl_completion_case_fold)
{
+#if defined (HANDLE_MULTIBYTE)
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ {
+ do
+ {
+ v1 = mbrtowc (&wc1, s1, convlen, &ps1);
+ v2 = mbrtowc (&wc2, s2, filename_len, &ps2);
+ if (v1 == 0 && v2 == 0)
+ return 1;
+ else if (MB_INVALIDCH (v1) || MB_INVALIDCH (v2))
+ {
+ if (*s1 != *s2) /* do byte comparison */
+ return 0;
+ s1++; s2++; len--;
+ continue;
+ }
+ wc1 = towlower (wc1);
+ wc2 = towlower (wc2);
+ if (wc1 != wc2)
+ return 0;
+ s1 += v1;
+ s2 += v1;
+ len -= v1;
+ }
+ while (len != 0);
+ return 1;
+ }
+ else
+#endif
if ((_rl_to_lower (convfn[0]) == _rl_to_lower (filename[0])) &&
(convlen >= filename_len) &&
(_rl_strnicmp (filename, convfn, filename_len) == 0))
}
directory = opendir (dirname);
- /* Now dequote a non-null filename. */
- if (filename && *filename && rl_completion_found_quote && rl_filename_dequoting_function)
+ /* Now dequote a non-null filename. FILENAME will not be NULL, but may
+ be empty. */
+ if (*filename && rl_completion_found_quote && rl_filename_dequoting_function)
{
/* delete single and double quotes */
temp = (*rl_filename_dequoting_function) (filename, rl_completion_quote_character);
full_completion = 1;
return (0);
}
+ else if (_rl_menu_complete_prefix_first)
+ {
+ rl_ding ();
+ return (0);
+ }
}
else if (match_list_size <= 1)
{
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