/* complete.c -- filename completion for readline. */
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
This file is part of the GNU Readline Library, a library for
reading lines of text with interactive input and history editing.
#include <sys/types.h>
#include <fcntl.h>
#if defined (HAVE_SYS_FILE_H)
-#include <sys/file.h>
+# include <sys/file.h>
#endif
#if defined (HAVE_UNISTD_H)
extern int errno;
#endif /* !errno */
-#ifdef HAVE_PWD_H
+#if defined (HAVE_PWD_H)
#include <pwd.h>
#endif
/* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is
defined. */
-#if defined(HAVE_GETPWENT) && \
- (!defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE))
+#if defined (HAVE_GETPWENT) && (!defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE))
extern struct passwd *getpwent PARAMS((void));
-#endif /* defiend (HAVE_GETPWENT) && (!HAVE_GETPW_DECLS || _POSIX_SOURCE) */
+#endif /* HAVE_GETPWENT && (!HAVE_GETPW_DECLS || _POSIX_SOURCE) */
/* If non-zero, then this is the address of a function to call when
completing a word would normally display the list of possible matches.
static int stat_char PARAMS((char *));
#endif
+static int path_isdir PARAMS((const char *));
+
static char *rl_quote_filename PARAMS((char *, int, char *));
static void set_completion_defaults PARAMS((int));
static int get_y_or_n PARAMS((int));
static int _rl_internal_pager PARAMS((int));
static char *printable_part PARAMS((char *));
+static int fnwidth PARAMS((const char *));
+static int fnprint PARAMS((const char *));
static int print_filename PARAMS((char *, char *));
static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int));
/* If non-zero, non-unique completions always show the list of matches. */
int _rl_complete_show_all = 0;
+/* If non-zero, non-unique completions show the list of matches, unless it
+ is not possible to do partial completion and modify the line. */
+int _rl_complete_show_unmodified = 0;
+
/* If non-zero, completed directory names have a slash appended. */
int _rl_complete_mark_directories = 1;
/* Up to this many items will be displayed in response to a
possible-completions call. After that, we ask the user if
- she is sure she wants to see them all. */
+ she is sure she wants to see them all. A negative value means
+ don't ask. */
int rl_completion_query_items = 100;
int _rl_page_completions = 1;
/* The list of characters that signal a break between words for
rl_complete_internal. The default list is the contents of
rl_basic_word_break_characters. */
-const char *rl_completer_word_break_characters = (const char *)NULL;
+/*const*/ char *rl_completer_word_break_characters = (/*const*/ char *)NULL;
+
+/* Hook function to allow an application to set the completion word
+ break characters before readline breaks up the line. Allows
+ position-dependent word break characters. */
+rl_cpvfunc_t *rl_completion_word_break_hook = (rl_cpvfunc_t *)NULL;
/* List of characters which can be used to quote a substring of the line.
Completion occurs on the entire substring, and within the substring
default is a space. */
int rl_completion_append_character = ' ';
+/* If non-zero, the completion functions don't append any closing quote.
+ This is set to 0 by rl_complete_internal and may be changed by an
+ application-specific completion function. */
+int rl_completion_suppress_quote = 0;
+
+/* Set to any quote character readline thinks it finds before any application
+ completion function is called. */
+int rl_completion_quote_character;
+
+/* Set to a non-zero value if readline found quoting anywhere in the word to
+ be completed; set before any application completion function is called. */
+int rl_completion_found_quote;
+
/* If non-zero, a slash will be appended to completed filenames that are
symbolic links to directory names, subject to the value of the
mark-directories variable (which is user-settable). This exists so
return (rl_complete_internal ('?'));
else if (_rl_complete_show_all)
return (rl_complete_internal ('!'));
+ else if (_rl_complete_show_unmodified)
+ return (rl_complete_internal ('@'));
else
return (rl_complete_internal (TAB));
}
return '?';
else if (_rl_complete_show_all)
return '!';
+ else if (_rl_complete_show_unmodified)
+ return '@';
else
return TAB;
}
rl_filename_completion_desired = 0;
rl_filename_quoting_desired = 1;
rl_completion_type = what_to_do;
- rl_completion_suppress_append = 0;
+ rl_completion_suppress_append = rl_completion_suppress_quote = 0;
/* The completion entry function may optionally change this. */
rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs;
return 0;
}
+static int
+path_isdir (filename)
+ const char *filename;
+{
+ struct stat finfo;
+
+ return (stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode));
+}
+
#if defined (VISIBLE_STATS)
/* Return the character which best describes FILENAME.
`@' for symbolic links
return ++temp;
}
+/* Compute width of STRING when displayed on screen by print_filename */
+static int
+fnwidth (string)
+ const char *string;
+{
+ int width, pos;
+#if defined (HANDLE_MULTIBYTE)
+ mbstate_t ps;
+ int left, w;
+ size_t clen;
+ wchar_t wc;
+
+ left = strlen (string) + 1;
+ memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+ width = pos = 0;
+ while (string[pos])
+ {
+ if (CTRL_CHAR (*string) || *string == RUBOUT)
+ {
+ width += 2;
+ pos++;
+ }
+ else
+ {
+#if defined (HANDLE_MULTIBYTE)
+ clen = mbrtowc (&wc, string + pos, left - pos, &ps);
+ if (MB_INVALIDCH (clen))
+ {
+ width++;
+ pos++;
+ memset (&ps, 0, sizeof (mbstate_t));
+ }
+ else if (MB_NULLWCH (clen))
+ break;
+ else
+ {
+ pos += clen;
+ w = wcwidth (wc);
+ width += (w >= 0) ? w : 1;
+ }
+#else
+ width++;
+ pos++;
+#endif
+ }
+ }
+
+ return width;
+}
+
+static int
+fnprint (to_print)
+ const char *to_print;
+{
+ int printed_len;
+ const char *s;
+#if defined (HANDLE_MULTIBYTE)
+ mbstate_t ps;
+ const char *end;
+ size_t tlen;
+ int width, w;
+ wchar_t wc;
+
+ end = to_print + strlen (to_print) + 1;
+ memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+ printed_len = 0;
+ s = to_print;
+ while (*s)
+ {
+ if (CTRL_CHAR (*s))
+ {
+ putc ('^', rl_outstream);
+ putc (UNCTRL (*s), rl_outstream);
+ printed_len += 2;
+ s++;
+#if defined (HANDLE_MULTIBYTE)
+ memset (&ps, 0, sizeof (mbstate_t));
+#endif
+ }
+ else if (*s == RUBOUT)
+ {
+ putc ('^', rl_outstream);
+ putc ('?', rl_outstream);
+ printed_len += 2;
+ s++;
+#if defined (HANDLE_MULTIBYTE)
+ memset (&ps, 0, sizeof (mbstate_t));
+#endif
+ }
+ else
+ {
+#if defined (HANDLE_MULTIBYTE)
+ tlen = mbrtowc (&wc, s, end - s, &ps);
+ if (MB_INVALIDCH (tlen))
+ {
+ tlen = 1;
+ width = 1;
+ memset (&ps, 0, sizeof (mbstate_t));
+ }
+ else if (MB_NULLWCH (tlen))
+ break;
+ else
+ {
+ w = wcwidth (wc);
+ width = (w >= 0) ? w : 1;
+ }
+ fwrite (s, 1, tlen, rl_outstream);
+ s += tlen;
+ printed_len += width;
+#else
+ putc (*s, rl_outstream);
+ s++;
+ printed_len++;
+#endif
+ }
+ }
+
+ return printed_len;
+}
+
/* Output TO_PRINT to rl_outstream. If VISIBLE_STATS is defined and we
are using it, check for and output a single character for `special'
filenames. Return the number of characters we output. */
-#define PUTX(c) \
- do { \
- if (CTRL_CHAR (c)) \
- { \
- putc ('^', rl_outstream); \
- putc (UNCTRL (c), rl_outstream); \
- printed_len += 2; \
- } \
- else if (c == RUBOUT) \
- { \
- putc ('^', rl_outstream); \
- putc ('?', rl_outstream); \
- printed_len += 2; \
- } \
- else \
- { \
- putc (c, rl_outstream); \
- printed_len++; \
- } \
- } while (0)
-
static int
print_filename (to_print, full_pathname)
char *to_print, *full_pathname;
{
- int printed_len = 0;
-#if !defined (VISIBLE_STATS)
- char *s;
+ int printed_len, extension_char, slen, tlen;
+ char *s, c, *new_full_pathname, *dn;
- for (s = to_print; *s; s++)
- {
- PUTX (*s);
- }
-#else
- char *s, c, *new_full_pathname;
- int extension_char, slen, tlen;
+ extension_char = 0;
+ printed_len = fnprint (to_print);
- for (s = to_print; *s; s++)
- {
- PUTX (*s);
- }
-
- if (rl_filename_completion_desired && rl_visible_stats)
+#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)
+#endif
{
/* If to_print != full_pathname, to_print is the basename of the
path passed. In this case, we try to expand the directory
files in the root directory. If we pass a null string to the
bash directory completion hook, for example, it will expand it
to the current directory. We just want the `/'. */
- s = tilde_expand (full_pathname && *full_pathname ? full_pathname : "/");
+ if (full_pathname == 0 || *full_pathname == 0)
+ dn = "/";
+ else if (full_pathname[0] != '/')
+ dn = full_pathname;
+ else if (full_pathname[1] == 0)
+ dn = "//"; /* restore trailing slash to `//' */
+ else if (full_pathname[1] == '/' && full_pathname[2] == 0)
+ dn = "/"; /* don't turn /// into // */
+ else
+ dn = full_pathname;
+ s = tilde_expand (dn);
if (rl_directory_completion_hook)
(*rl_directory_completion_hook) (&s);
tlen = strlen (to_print);
new_full_pathname = (char *)xmalloc (slen + tlen + 2);
strcpy (new_full_pathname, s);
+ if (s[slen - 1] == '/')
+ slen--;
+ else
+ new_full_pathname[slen] = '/';
new_full_pathname[slen] = '/';
strcpy (new_full_pathname + slen + 1, to_print);
- extension_char = stat_char (new_full_pathname);
+#if defined (VISIBLE_STATS)
+ if (rl_visible_stats)
+ extension_char = stat_char (new_full_pathname);
+ else
+#endif
+ if (path_isdir (new_full_pathname))
+ extension_char = '/';
free (new_full_pathname);
to_print[-1] = c;
else
{
s = tilde_expand (full_pathname);
- extension_char = stat_char (s);
+#if defined (VISIBLE_STATS)
+ if (rl_visible_stats)
+ extension_char = stat_char (s);
+ else
+#endif
+ if (path_isdir (s))
+ extension_char = '/';
}
free (s);
printed_len++;
}
}
-#endif /* VISIBLE_STATS */
+
return printed_len;
}
int *fp, *dp;
{
int scan, end, found_quote, delimiter, pass_next, isbrk;
- char quote_char;
+ char quote_char, *brkchars;
end = rl_point;
found_quote = delimiter = 0;
quote_char = '\0';
+ brkchars = 0;
+ if (rl_completion_word_break_hook)
+ brkchars = (*rl_completion_word_break_hook) ();
+ if (brkchars == 0)
+ brkchars = rl_completer_word_break_characters;
+
if (rl_completer_quote_characters)
{
/* We have a list of characters which can be used in pairs to
quote substrings for the completer. Try to find the start
of an unclosed quoted substring. */
/* FOUND_QUOTE is set so we know what kind of quotes we found. */
- for (scan = pass_next = 0; scan < end; scan++)
+ for (scan = pass_next = 0; scan < end; scan = MB_NEXTCHAR (rl_line_buffer, scan, 1, MB_FIND_ANY))
{
if (pass_next)
{
/* We didn't find an unclosed quoted substring upon which to do
completion, so use the word break characters to find the
substring on which to complete. */
-#if defined (HANDLE_MULTIBYTE)
- while (rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_ANY))
-#else
- while (--rl_point)
-#endif
+ while (rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY))
{
scan = rl_line_buffer[rl_point];
- if (strchr (rl_completer_word_break_characters, scan) == 0)
+ if (strchr (brkchars, scan) == 0)
continue;
/* Call the application-specific function to tell us whether
if (rl_char_is_quoted_p)
isbrk = (found_quote == 0 ||
(*rl_char_is_quoted_p) (rl_line_buffer, rl_point) == 0) &&
- strchr (rl_completer_word_break_characters, scan) != 0;
+ strchr (brkchars, scan) != 0;
else
- isbrk = strchr (rl_completer_word_break_characters, scan) != 0;
+ isbrk = strchr (brkchars, scan) != 0;
if (isbrk)
{
{
char **matches, *temp;
+ rl_completion_found_quote = found_quote;
+ rl_completion_quote_character = quote_char;
+
/* If the user wants to TRY to complete, but then wants to give
up and use the default completion function, they set the
variable rl_attempted_completion_function. */
{
register int i, c1, c2, si;
int low; /* Count of max-matched characters. */
+ char *dtext; /* dequoted TEXT, if needed */
#if defined (HANDLE_MULTIBYTE)
int v;
mbstate_t ps1, ps2;
the user typed in the face of multiple matches differing in case. */
if (_rl_completion_case_fold)
{
+ /* We're making an assumption here:
+ IF we're completing filenames AND
+ the application has defined a filename dequoting function AND
+ we found a quote character AND
+ the application has requested filename quoting
+ THEN
+ we assume that TEXT was dequoted before checking against
+ the file system and needs to be dequoted here before we
+ check against the list of matches
+ FI */
+ dtext = (char *)NULL;
+ if (rl_filename_completion_desired &&
+ rl_filename_dequoting_function &&
+ rl_completion_found_quote &&
+ rl_filename_quoting_desired)
+ {
+ dtext = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
+ text = dtext;
+ }
+
/* sort the list to get consistent answers. */
qsort (match_list+1, matches, sizeof(char *), (QSFUNC *)_rl_qsort_string_compare);
else
/* otherwise, just use the text the user typed. */
strncpy (match_list[0], text, low);
+
+ FREE (dtext);
}
else
strncpy (match_list[0], match_list[1], low);
for (max = 0, i = 1; matches[i]; i++)
{
temp = printable_part (matches[i]);
- len = strlen (temp);
+ len = fnwidth (temp);
if (len > max)
max = len;
/* If there are many items, then ask the user if she really wants to
see them all. */
- if (len >= rl_completion_query_items)
+ if (rl_completion_query_items > 0 && len >= rl_completion_query_items)
{
rl_crlf ();
fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len);
struct stat finfo;
temp_string_index = 0;
- if (quote_char && rl_point && rl_line_buffer[rl_point - 1] != quote_char)
+ if (quote_char && rl_point && rl_completion_suppress_quote == 0 &&
+ rl_line_buffer[rl_point - 1] != quote_char)
temp_string[temp_string_index++] = quote_char;
if (delimiter)
: stat (filename, &finfo);
if (s == 0 && S_ISDIR (finfo.st_mode))
{
- if (_rl_complete_mark_directories)
+ if (_rl_complete_mark_directories /* && rl_completion_suppress_append == 0 */)
{
/* This is clumsy. Avoid putting in a double slash if point
is at the end of the line and the previous character is a
TAB means do standard completion.
`*' means insert all of the possible completions.
`!' means to do standard completion, and list all possible completions if
- there is more than one. */
+ there is more than one.
+ `@' means to do standard completion, and list all possible completions if
+ there is more than one and partial completion is not possible. */
int
rl_complete_internal (what_to_do)
int what_to_do;
our_func = rl_completion_entry_function
? rl_completion_entry_function
: rl_filename_completion_function;
-
/* We now look backwards for the start of a filename/variable word. */
end = rl_point;
found_quote = delimiter = 0;
{
case TAB:
case '!':
+ case '@':
/* Insert the first match with proper quoting. */
if (*matches[0])
insert_match (matches[0], start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char);
display_matches (matches);
break;
}
+ else if (what_to_do == '@')
+ {
+ if (nontrivial_lcd == 0)
+ display_matches (matches);
+ break;
+ }
else if (rl_editing_mode != vi_mode)
rl_ding (); /* There are other matches remaining. */
}
setpwent ();
}
-#ifdef HAVE_GETPWENT
+#if defined (HAVE_GETPWENT)
while (entry = getpwent ())
{
/* Null usernames should result in all users as possible completions. */
if (entry == 0)
{
-#ifdef HAVE_GETPWENT
+#if defined (HAVE_GETPWENT)
endpwent ();
#endif
return ((char *)NULL);
return (0);
}
- match_list_index = (match_list_index + count) % match_list_size;
+ match_list_index += count;
if (match_list_index < 0)
match_list_index += match_list_size;
+ else
+ match_list_index %= match_list_size;
if (match_list_index == 0 && match_list_size > 1)
{
projects / deliverable / binutils-gdb.git / blobdiff