diff options
Diffstat (limited to 'lib/readline/complete.c')
| -rw-r--r-- | lib/readline/complete.c | 415 |
1 files changed, 364 insertions, 51 deletions
diff --git a/lib/readline/complete.c b/lib/readline/complete.c index 73f834a..ad9ca05 100644 --- a/lib/readline/complete.c +++ b/lib/readline/complete.c @@ -1,24 +1,24 @@ /* complete.c -- filename completion for readline. */ -/* Copyright (C) 1987-2005 Free Software Foundation, Inc. +/* Copyright (C) 1987-2009 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. + This file is part of the GNU Readline Library (Readline), a library + for reading lines of text with interactive input and history editing. - The GNU Readline Library is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2, or + Readline is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - The GNU Readline Library is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied warranty - of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + Readline is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - The GNU General Public License is often shipped with GNU software, and - is generally kept in a file called COPYING or LICENSE. If you do not - have a copy of the license, write to the Free Software Foundation, - 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + You should have received a copy of the GNU General Public License + along with Readline. If not, see <http://www.gnu.org/licenses/>. +*/ + #define READLINE_LIBRARY #if defined (HAVE_CONFIG_H) @@ -110,8 +110,8 @@ 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 int fnprint PARAMS((const char *, int)); +static int print_filename PARAMS((char *, char *, int)); static char **gen_completion_matches PARAMS((char *, int, int, rl_compentry_func_t *, int, int)); @@ -164,6 +164,12 @@ int _rl_completion_case_fold; Unix) when doing filename completion. */ int _rl_match_hidden_files = 1; +/* Length in characters of a common prefix replaced with an ellipsis (`...') + when displaying completion matches. Matches whose printable portion has + more than this number of displaying characters in common will have the common + display prefix replaced with an ellipsis. */ +int _rl_completion_prefix_display_length = 0; + /* Global variables available to applications using readline. */ #if defined (VISIBLE_STATS) @@ -173,6 +179,12 @@ int _rl_match_hidden_files = 1; int rl_visible_stats = 0; #endif /* VISIBLE_STATS */ +/* 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 + after the `e' in `Makefile' won't result in `Makefilefile'. */ +int _rl_skip_completed_text = 0; + /* If non-zero, then this is the address of a function to call when completing on a directory name. The function is called with the address of a string (the current directory name) as an arg. */ @@ -180,6 +192,17 @@ rl_icppfunc_t *rl_directory_completion_hook = (rl_icppfunc_t *)NULL; rl_icppfunc_t *rl_directory_rewrite_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 + either return its first argument (if no conversion takes place) or + newly-allocated memory. This can, for instance, convert filenames + between character sets for comparison against what's typed at the + keyboard. The returned value is what is added to the list of + matches. The second argument is the length of the filename to be + converted. */ +rl_dequote_func_t *rl_filename_rewrite_hook = (rl_dequote_func_t *)NULL; + /* Non-zero means readline completion functions perform tilde expansion. */ int rl_complete_with_tilde_expansion = 0; @@ -188,6 +211,10 @@ int rl_complete_with_tilde_expansion = 0; completer. */ rl_compentry_func_t *rl_completion_entry_function = (rl_compentry_func_t *)NULL; +/* Pointer to generator function for rl_menu_complete (). NULL means to use + *rl_completion_entry_function (see above). */ +rl_compentry_func_t *rl_menu_completion_entry_function = (rl_compentry_func_t *)NULL; + /* Pointer to alternative function to create matches. Function is called with TEXT, START, and END. START and END are indices in RL_LINE_BUFFER saying what the boundaries @@ -325,11 +352,20 @@ int rl_completion_mark_symlink_dirs; /* If non-zero, inhibit completion (temporarily). */ int rl_inhibit_completion; +/* Set to the last key used to invoke one of the completion functions */ +int rl_completion_invoking_key; + +/* If non-zero, sort the completion matches. On by default. */ +int rl_sort_completion_matches = 1; + /* Variables local to this file. */ /* Local variable states what happened during the last completion attempt. */ static int completion_changed_buffer; +/* The result of the query to the user about displaying completion matches */ +static int completion_y_or_n; + /*************************************/ /* */ /* Bindable completion functions */ @@ -343,6 +379,8 @@ int rl_complete (ignore, invoking_key) int ignore, invoking_key; { + rl_completion_invoking_key = invoking_key; + if (rl_inhibit_completion) return (_rl_insert_char (ignore, invoking_key)); else if (rl_last_func == rl_complete && !completion_changed_buffer) @@ -360,6 +398,7 @@ int rl_possible_completions (ignore, invoking_key) int ignore, invoking_key; { + rl_completion_invoking_key = invoking_key; return (rl_complete_internal ('?')); } @@ -367,6 +406,7 @@ int rl_insert_completions (ignore, invoking_key) int ignore, invoking_key; { + rl_completion_invoking_key = invoking_key; return (rl_complete_internal ('*')); } @@ -395,6 +435,14 @@ rl_completion_mode (cfunc) /* */ /************************************/ +/* Reset readline state on a signal or other event. */ +void +_rl_reset_completion_state () +{ + rl_completion_found_quote = 0; + rl_completion_quote_character = 0; +} + /* Set default values for readline word completion. These are the variables that application completion functions can change or inspect. */ static void @@ -406,6 +454,7 @@ set_completion_defaults (what_to_do) rl_filename_quoting_desired = 1; rl_completion_type = what_to_do; rl_completion_suppress_append = rl_completion_suppress_quote = 0; + rl_completion_append_character = ' '; /* The completion entry function may optionally change this. */ rl_completion_mark_symlink_dirs = _rl_complete_mark_symlink_dirs; @@ -428,7 +477,7 @@ get_y_or_n (for_pager) return (1); if (c == 'n' || c == 'N' || c == RUBOUT) return (0); - if (c == ABORT_CHAR) + if (c == ABORT_CHAR || c < 0) _rl_abort_internal (); if (for_pager && (c == NEWLINE || c == RETURN)) return (2); @@ -481,6 +530,13 @@ stat_char (filename) struct stat finfo; int character, r; + /* Short-circuit a //server on cygwin, since that will always behave as + a directory. */ +#if __CYGWIN__ + if (filename[0] == '/' && filename[1] == '/' && strchr (filename+2, '/') == 0) + return '/'; +#endif + #if defined (HAVE_LSTAT) && defined (S_ISLNK) r = lstat (filename, &finfo); #else @@ -581,7 +637,7 @@ fnwidth (string) width = pos = 0; while (string[pos]) { - if (CTRL_CHAR (*string) || *string == RUBOUT) + if (CTRL_CHAR (string[pos]) || string[pos] == RUBOUT) { width += 2; pos++; @@ -614,17 +670,20 @@ fnwidth (string) return width; } +#define ELLIPSIS_LEN 3 + static int -fnprint (to_print) +fnprint (to_print, prefix_bytes) const char *to_print; + int prefix_bytes; { - int printed_len; + int printed_len, w; const char *s; #if defined (HANDLE_MULTIBYTE) mbstate_t ps; const char *end; size_t tlen; - int width, w; + int width; wchar_t wc; end = to_print + strlen (to_print) + 1; @@ -632,7 +691,23 @@ fnprint (to_print) #endif printed_len = 0; - s = to_print; + + /* Don't print only the ellipsis if the common prefix is one of the + possible completions */ + if (to_print[prefix_bytes] == '\0') + prefix_bytes = 0; + + if (prefix_bytes) + { + char ellipsis; + + ellipsis = (to_print[prefix_bytes] == '.') ? '_' : '.'; + for (w = 0; w < ELLIPSIS_LEN; w++) + putc (ellipsis, rl_outstream); + printed_len = ELLIPSIS_LEN; + } + + s = to_print + prefix_bytes; while (*s) { if (CTRL_CHAR (*s)) @@ -691,14 +766,15 @@ fnprint (to_print) filenames. Return the number of characters we output. */ static int -print_filename (to_print, full_pathname) +print_filename (to_print, full_pathname, prefix_bytes) char *to_print, *full_pathname; + int prefix_bytes; { int printed_len, extension_char, slen, tlen; char *s, c, *new_full_pathname, *dn; extension_char = 0; - printed_len = fnprint (to_print); + printed_len = fnprint (to_print, prefix_bytes); #if defined (VISIBLE_STATS) if (rl_filename_completion_desired && (rl_visible_stats || _rl_complete_mark_directories)) @@ -960,7 +1036,10 @@ gen_completion_matches (text, start, end, our_func, found_quote, quote_char) 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 (matches || rl_attempted_completion_over) { @@ -992,7 +1071,7 @@ remove_duplicate_matches (matches) /* Sort the array without matches[0], since we need it to stay in place no matter what. */ - if (i) + if (i && rl_sort_completion_matches) qsort (matches+1, i-1, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); /* Remember the lowest common denominator for it may be unique. */ @@ -1256,8 +1335,24 @@ rl_display_match_list (matches, len, max) int len, max; { int count, limit, printed_len, lines; - int i, j, k, l; - char *temp; + int i, j, k, l, common_length, sind; + char *temp, *t; + + /* Find the length of the prefix common to all items: length as displayed + characters (common_length) and as a byte index into the matches (sind) */ + common_length = sind = 0; + if (_rl_completion_prefix_display_length > 0) + { + t = printable_part (matches[0]); + temp = strrchr (t, '/'); + common_length = temp ? fnwidth (temp) : fnwidth (t); + sind = temp ? strlen (temp) : strlen (t); + + if (common_length > _rl_completion_prefix_display_length && common_length > ELLIPSIS_LEN) + max -= common_length - ELLIPSIS_LEN; + else + common_length = sind = 0; + } /* How many items of MAX length can we fit in the screen window? */ max += 2; @@ -1278,7 +1373,7 @@ rl_display_match_list (matches, len, max) 0 < len <= limit implies count = 1. */ /* Sort the items if they are not already sorted. */ - if (rl_ignore_completion_duplicates == 0) + if (rl_ignore_completion_duplicates == 0 && rl_sort_completion_matches) qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare); rl_crlf (); @@ -1296,7 +1391,7 @@ rl_display_match_list (matches, len, max) else { temp = printable_part (matches[l]); - printed_len = print_filename (temp, matches[l]); + printed_len = print_filename (temp, matches[l], sind); if (j + 1 < limit) for (k = 0; k < max - printed_len; k++) @@ -1320,7 +1415,7 @@ rl_display_match_list (matches, len, max) for (i = 1; matches[i]; i++) { temp = printable_part (matches[i]); - printed_len = print_filename (temp, matches[i]); + printed_len = print_filename (temp, matches[i], sind); /* Have we reached the end of this line? */ if (matches[i+1]) { @@ -1370,7 +1465,7 @@ display_matches (matches) { temp = printable_part (matches[0]); rl_crlf (); - print_filename (temp, matches[0]); + print_filename (temp, matches[0], 0); rl_crlf (); rl_forced_update_display (); @@ -1406,7 +1501,7 @@ display_matches (matches) rl_crlf (); fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len); fflush (rl_outstream); - if (get_y_or_n (0) == 0) + if ((completion_y_or_n = get_y_or_n (0)) == 0) { rl_crlf (); @@ -1474,8 +1569,9 @@ insert_match (match, start, mtype, qc) int start, mtype; char *qc; { - char *replacement; + char *replacement, *r; char oqc; + int end, rlen; oqc = qc ? *qc : '\0'; replacement = make_quoted_replacement (match, mtype, qc); @@ -1483,6 +1579,7 @@ insert_match (match, start, mtype, qc) /* Now insert the match. */ if (replacement) { + rlen = strlen (replacement); /* Don't double an opening quote character. */ if (qc && *qc && start && rl_line_buffer[start - 1] == *qc && replacement[0] == *qc) @@ -1492,7 +1589,24 @@ insert_match (match, start, mtype, qc) else if (qc && (*qc != oqc) && start && rl_line_buffer[start - 1] == oqc && replacement[0] != oqc) start--; - _rl_replace_text (replacement, start, rl_point - 1); + end = rl_point - 1; + /* Don't double a closing quote character */ + if (qc && *qc && end && rl_line_buffer[rl_point] == *qc && replacement[rlen - 1] == *qc) + end++; + if (_rl_skip_completed_text) + { + r = replacement; + while (start < rl_end && *r && rl_line_buffer[start] == *r) + { + start++; + r++; + } + if (start <= end || *r) + _rl_replace_text (r, start, end); + rl_point = start + strlen (r); + } + else + _rl_replace_text (replacement, start, end); if (replacement != match) free (replacement); } @@ -1678,6 +1792,7 @@ rl_complete_internal (what_to_do) FREE (saved_line_buffer); completion_changed_buffer = 0; RL_UNSETSTATE(RL_STATE_COMPLETING); + _rl_reset_completion_state (); return (0); } @@ -1692,6 +1807,7 @@ rl_complete_internal (what_to_do) FREE (saved_line_buffer); completion_changed_buffer = 0; RL_UNSETSTATE(RL_STATE_COMPLETING); + _rl_reset_completion_state (); return (0); } @@ -1742,10 +1858,11 @@ rl_complete_internal (what_to_do) break; default: - fprintf (stderr, "\r\nreadline: bad value %d for what_to_do in rl_complete\n", what_to_do); + _rl_ttymsg ("bad value %d for what_to_do in rl_complete", what_to_do); rl_ding (); FREE (saved_line_buffer); RL_UNSETSTATE(RL_STATE_COMPLETING); + _rl_reset_completion_state (); return 1; } @@ -1759,6 +1876,7 @@ rl_complete_internal (what_to_do) } RL_UNSETSTATE(RL_STATE_COMPLETING); + _rl_reset_completion_state (); return 0; } @@ -1802,6 +1920,7 @@ rl_completion_matches (text, entry_function) 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) @@ -1811,6 +1930,8 @@ rl_completion_matches (text, entry_function) 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]. */ @@ -1898,8 +2019,8 @@ rl_filename_completion_function (text, state) static char *dirname = (char *)NULL; static char *users_dirname = (char *)NULL; static int filename_len; - char *temp; - int dirlen; + char *temp, *dentry, *convfn; + int dirlen, dentlen, convlen; struct dirent *entry; /* If we don't have any state, then do some initialization. */ @@ -2003,6 +2124,15 @@ rl_filename_completion_function (text, state) entry = (struct dirent *)NULL; while (directory && (entry = readdir (directory))) { + convfn = dentry = entry->d_name; + convlen = dentlen = D_NAMLEN (entry); + + if (rl_filename_rewrite_hook) + { + convfn = (*rl_filename_rewrite_hook) (dentry, dentlen); + convlen = (convfn == dentry) ? dentlen : strlen (convfn); + } + /* Special case for no filename. If the user has disabled the `match-hidden-files' variable, skip filenames beginning with `.'. All other entries except "." and ".." match. */ @@ -2011,9 +2141,8 @@ rl_filename_completion_function (text, state) if (_rl_match_hidden_files == 0 && HIDDEN_FILE (entry->d_name)) continue; - if (entry->d_name[0] != '.' || - (entry->d_name[1] && - (entry->d_name[1] != '.' || entry->d_name[2]))) + if (convfn[0] != '.' || + (convfn[1] && (convfn[1] != '.' || convfn[2]))) break; } else @@ -2022,16 +2151,16 @@ rl_filename_completion_function (text, state) it is a match. */ if (_rl_completion_case_fold) { - if ((_rl_to_lower (entry->d_name[0]) == _rl_to_lower (filename[0])) && - (((int)D_NAMLEN (entry)) >= filename_len) && - (_rl_strnicmp (filename, entry->d_name, filename_len) == 0)) + if ((_rl_to_lower (convfn[0]) == _rl_to_lower (filename[0])) && + (convlen >= filename_len) && + (_rl_strnicmp (filename, convfn, filename_len) == 0)) break; } else { - if ((entry->d_name[0] == filename[0]) && - (((int)D_NAMLEN (entry)) >= filename_len) && - (strncmp (filename, entry->d_name, filename_len) == 0)) + if ((convfn[0] == filename[0]) && + (convlen >= filename_len) && + (strncmp (filename, convfn, filename_len) == 0)) break; } } @@ -2093,22 +2222,145 @@ rl_filename_completion_function (text, state) strcpy (temp + dirlen, entry->d_name); } else - temp = savestring (entry->d_name); + temp = savestring (convfn); + + if (convfn != dentry) + free (convfn); return (temp); } } /* An initial implementation of a menu completion function a la tcsh. The - first time (if the last readline command was not rl_menu_complete), we + first time (if the last readline command was not rl_old_menu_complete), we generate the list of matches. This code is very similar to the code in rl_complete_internal -- there should be a way to combine the two. Then, for each item in the list of matches, we insert the match in an undoable fashion, with the appropriate character appended (this happens on the - second and subsequent consecutive calls to rl_menu_complete). When we + second and subsequent consecutive calls to rl_old_menu_complete). When we hit the end of the match list, we restore the original unmatched text, ring the bell, and reset the counter to zero. */ int +rl_old_menu_complete (count, invoking_key) + int count, invoking_key; +{ + rl_compentry_func_t *our_func; + int matching_filenames, found_quote; + + static char *orig_text; + static char **matches = (char **)0; + static int match_list_index = 0; + static int match_list_size = 0; + static int orig_start, orig_end; + static char quote_char; + static int delimiter; + + /* The first time through, we generate the list of matches and set things + up to insert them. */ + if (rl_last_func != rl_old_menu_complete) + { + /* Clean up from previous call, if any. */ + FREE (orig_text); + if (matches) + _rl_free_match_list (matches); + + match_list_index = match_list_size = 0; + matches = (char **)NULL; + + rl_completion_invoking_key = invoking_key; + + RL_SETSTATE(RL_STATE_COMPLETING); + + /* Only the completion entry function can change these. */ + set_completion_defaults ('%'); + + our_func = rl_menu_completion_entry_function; + if (our_func == 0) + 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. */ + orig_end = rl_point; + found_quote = delimiter = 0; + quote_char = '\0'; + + if (rl_point) + /* This (possibly) changes rl_point. If it returns a non-zero char, + we know we have an open quote. */ + quote_char = _rl_find_completion_word (&found_quote, &delimiter); + + orig_start = rl_point; + rl_point = orig_end; + + orig_text = rl_copy_text (orig_start, orig_end); + matches = gen_completion_matches (orig_text, orig_start, orig_end, + our_func, found_quote, quote_char); + + /* If we are matching filenames, the attempted completion function will + have set rl_filename_completion_desired to a non-zero value. The basic + rl_filename_completion_function does this. */ + matching_filenames = rl_filename_completion_desired; + + if (matches == 0 || postprocess_matches (&matches, matching_filenames) == 0) + { + rl_ding (); + FREE (matches); + matches = (char **)0; + FREE (orig_text); + orig_text = (char *)0; + completion_changed_buffer = 0; + RL_UNSETSTATE(RL_STATE_COMPLETING); + return (0); + } + + RL_UNSETSTATE(RL_STATE_COMPLETING); + + for (match_list_size = 0; matches[match_list_size]; match_list_size++) + ; + /* matches[0] is lcd if match_list_size > 1, but the circular buffer + code below should take care of it. */ + + if (match_list_size > 1 && _rl_complete_show_all) + display_matches (matches); + } + + /* Now we have the list of matches. Replace the text between + rl_line_buffer[orig_start] and rl_line_buffer[rl_point] with + matches[match_list_index], and add any necessary closing char. */ + + if (matches == 0 || match_list_size == 0) + { + rl_ding (); + FREE (matches); + matches = (char **)0; + completion_changed_buffer = 0; + return (0); + } + + 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) + { + rl_ding (); + insert_match (orig_text, orig_start, MULT_MATCH, "e_char); + } + else + { + insert_match (matches[match_list_index], orig_start, SINGLE_MATCH, "e_char); + append_to_match (matches[match_list_index], delimiter, quote_char, + strcmp (orig_text, matches[match_list_index])); + } + + completion_changed_buffer = 1; + return (0); +} + +int rl_menu_complete (count, ignore) int count, ignore; { @@ -2119,13 +2371,15 @@ rl_menu_complete (count, ignore) static char **matches = (char **)0; static int match_list_index = 0; static int match_list_size = 0; + static int nontrivial_lcd = 0; + static int full_completion = 0; /* set to 1 if menu completion should reinitialize on next call */ static int orig_start, orig_end; static char quote_char; static int delimiter; /* The first time through, we generate the list of matches and set things up to insert them. */ - if (rl_last_func != rl_menu_complete) + if ((rl_last_func != rl_menu_complete && rl_last_func != rl_backward_menu_complete) || full_completion) { /* Clean up from previous call, if any. */ FREE (orig_text); @@ -2135,10 +2389,16 @@ rl_menu_complete (count, ignore) match_list_index = match_list_size = 0; matches = (char **)NULL; + full_completion = 0; + + RL_SETSTATE(RL_STATE_COMPLETING); + /* Only the completion entry function can change these. */ set_completion_defaults ('%'); - our_func = rl_completion_entry_function + our_func = rl_menu_completion_entry_function; + if (our_func == 0) + our_func = rl_completion_entry_function ? rl_completion_entry_function : rl_filename_completion_function; @@ -2159,6 +2419,8 @@ rl_menu_complete (count, ignore) matches = gen_completion_matches (orig_text, orig_start, orig_end, our_func, found_quote, quote_char); + nontrivial_lcd = matches && strcmp (orig_text, matches[0]) != 0; + /* If we are matching filenames, the attempted completion function will have set rl_filename_completion_desired to a non-zero value. The basic rl_filename_completion_function does this. */ @@ -2172,13 +2434,55 @@ rl_menu_complete (count, ignore) FREE (orig_text); orig_text = (char *)0; completion_changed_buffer = 0; + RL_UNSETSTATE(RL_STATE_COMPLETING); return (0); } + RL_UNSETSTATE(RL_STATE_COMPLETING); + for (match_list_size = 0; matches[match_list_size]; match_list_size++) ; + + if (match_list_size == 0) + { + rl_ding (); + FREE (matches); + matches = (char **)0; + match_list_index = 0; + completion_changed_buffer = 0; + return (0); + } + /* matches[0] is lcd if match_list_size > 1, but the circular buffer code below should take care of it. */ + if (*matches[0]) + { + insert_match (matches[0], orig_start, matches[1] ? MULT_MATCH : SINGLE_MATCH, "e_char); + orig_end = orig_start + strlen (matches[0]); + completion_changed_buffer = STREQ (orig_text, matches[0]) == 0; + } + + if (match_list_size > 1 && _rl_complete_show_all) + { + display_matches (matches); + /* If there are so many matches that the user has to be asked + whether or not he wants to see the matches, menu completion + is unwieldy. */ + if (rl_completion_query_items > 0 && match_list_size >= rl_completion_query_items) + { + rl_ding (); + FREE (matches); + matches = (char **)0; + full_completion = 1; + return (0); + } + } + else if (match_list_size <= 1) + { + append_to_match (matches[0], delimiter, quote_char, nontrivial_lcd); + full_completion = 1; + return (0); + } } /* Now we have the list of matches. Replace the text between @@ -2203,7 +2507,7 @@ rl_menu_complete (count, ignore) if (match_list_index == 0 && match_list_size > 1) { rl_ding (); - insert_match (orig_text, orig_start, MULT_MATCH, "e_char); + insert_match (matches[0], orig_start, MULT_MATCH, "e_char); } else { @@ -2215,3 +2519,12 @@ rl_menu_complete (count, ignore) completion_changed_buffer = 1; return (0); } + +int +rl_backward_menu_complete (count, key) + int count, key; +{ + /* Positive arguments to backward-menu-complete translate into negative + arguments for menu-complete, and vice versa. */ + return (rl_menu_complete (-count, key)); +} |