Removing the ability to search for a matching bracket in a prompt input line.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5024 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -8,6 +8,10 @@
 	* src/rcfile.c (is_universal): New function, returning TRUE for the
 	functions that are present in most menus but only listed in MMAIN.
 	* doc/man/nanorc.5, doc/texinfo/nano.texi: Update the docs for this.
+	* prompt.c (find_statusbar_bracket_match, do_statusbar_find_bracket):
+	Remove these functions and thus the ability to search for a matching
+	bracket in a prompt input line.  The find_bracket function never had
+	a default keybinding outside MMAIN, so is unlikely to have been used.
 
 2014-06-25  Benno Schulenberg  <bensberg@justemail.net>
 	* src/browser.c (do_browser): Allow 'firstfile' and 'lastfile' to be

src/prompt.c

@@ -178,11 +178,6 @@ int do_statusbar_input(bool *meta_key, bool *func_key, bool *have_shortcut,
 		    do_statusbar_home();
 	    else if (s->scfunc == do_end)
 		    do_statusbar_end();
-
-#ifndef NANO_TINY
-	    else if (s->scfunc == do_find_bracket)
-		do_statusbar_find_bracket();
-#endif
 	    else if (s->scfunc == do_verbatim_input) {
 		    /* If we're using restricted mode, the filename
 		     * isn't blank, and we're at the "Write File"
@@ -650,162 +645,6 @@ void do_statusbar_verbatim_input(bool *got_enter)
     free(output);
 }
 
-#ifndef NANO_TINY
-/* Search for a match to one of the two characters in bracket_set.  If
- * reverse is TRUE, search backwards for the leftmost bracket.
- * Otherwise, search forwards for the rightmost bracket.  Return TRUE if
- * we found a match, and FALSE otherwise. */
-bool find_statusbar_bracket_match(bool reverse, const char
-	*bracket_set)
-{
-    const char *rev_start = NULL, *found = NULL;
-
-    assert(mbstrlen(bracket_set) == 2);
-
-    /* rev_start might end up 1 character before the start or after the
-     * end of the line.  This won't be a problem because we'll skip over
-     * it below in that case. */
-    rev_start = reverse ? answer + (statusbar_x - 1) : answer +
-	(statusbar_x + 1);
-
-    while (TRUE) {
-	/* Look for either of the two characters in bracket_set.
-	 * rev_start can be 1 character before the start or after the
-	 * end of the line.  In either case, just act as though no match
-	 * is found. */
-	found = ((rev_start > answer && *(rev_start - 1) == '\0') ||
-		rev_start < answer) ? NULL : (reverse ?
-		mbrevstrpbrk(answer, bracket_set, rev_start) :
-		mbstrpbrk(rev_start, bracket_set));
-
-	/* We've found a potential match. */
-	if (found != NULL)
-	    break;
-
-	/* We've reached the start or end of the statusbar text, so
-	 * get out. */
-	return FALSE;
-    }
-
-    /* We've definitely found something. */
-    statusbar_x = found - answer;
-    statusbar_pww = statusbar_xplustabs();
-
-    return TRUE;
-}
-
-/* Search for a match to the bracket at the current cursor position, if
- * there is one. */
-void do_statusbar_find_bracket(void)
-{
-    size_t statusbar_x_save, pww_save;
-    const char *ch;
-	/* The location in matchbrackets of the bracket at the current
-	 * cursor position. */
-    int ch_len;
-	/* The length of ch in bytes. */
-    const char *wanted_ch;
-	/* The location in matchbrackets of the bracket complementing
-	 * the bracket at the current cursor position. */
-    int wanted_ch_len;
-	/* The length of wanted_ch in bytes. */
-    char *bracket_set;
-	/* The pair of characters in ch and wanted_ch. */
-    size_t i;
-	/* Generic loop variable. */
-    size_t matchhalf;
-	/* The number of single-byte characters in one half of
-	 * matchbrackets. */
-    size_t mbmatchhalf;
-	/* The number of multibyte characters in one half of
-	 * matchbrackets. */
-    size_t count = 1;
-	/* The initial bracket count. */
-    bool reverse;
-	/* The direction we search. */
-    char *found_ch;
-	/* The character we find. */
-
-    assert(mbstrlen(matchbrackets) % 2 == 0);
-
-    ch = answer + statusbar_x;
-
-    if (ch == '\0' || (ch = mbstrchr(matchbrackets, ch)) == NULL)
-	return;
-
-    /* Save where we are. */
-    statusbar_x_save = statusbar_x;
-    pww_save = statusbar_pww;
-
-    /* If we're on an opening bracket, which must be in the first half
-     * of matchbrackets, we want to search forwards for a closing
-     * bracket.  If we're on a closing bracket, which must be in the
-     * second half of matchbrackets, we want to search backwards for an
-     * opening bracket. */
-    matchhalf = 0;
-    mbmatchhalf = mbstrlen(matchbrackets) / 2;
-
-    for (i = 0; i < mbmatchhalf; i++)
-	matchhalf += parse_mbchar(matchbrackets + matchhalf, NULL,
-		NULL);
-
-    reverse = ((ch - matchbrackets) >= matchhalf);
-
-    /* If we're on an opening bracket, set wanted_ch to the character
-     * that's matchhalf characters after ch.  If we're on a closing
-     * bracket, set wanted_ch to the character that's matchhalf
-     * characters before ch. */
-    wanted_ch = ch;
-
-    while (mbmatchhalf > 0) {
-	if (reverse)
-	    wanted_ch = matchbrackets + move_mbleft(matchbrackets,
-		wanted_ch - matchbrackets);
-	else
-	    wanted_ch += move_mbright(wanted_ch, 0);
-
-	mbmatchhalf--;
-    }
-
-    ch_len = parse_mbchar(ch, NULL, NULL);
-    wanted_ch_len = parse_mbchar(wanted_ch, NULL, NULL);
-
-    /* Fill bracket_set in with the values of ch and wanted_ch. */
-    bracket_set = charalloc((mb_cur_max() * 2) + 1);
-    strncpy(bracket_set, ch, ch_len);
-    strncpy(bracket_set + ch_len, wanted_ch, wanted_ch_len);
-    null_at(&bracket_set, ch_len + wanted_ch_len);
-
-    found_ch = charalloc(mb_cur_max() + 1);
-
-    while (TRUE) {
-	if (find_statusbar_bracket_match(reverse, bracket_set)) {
-	    /* If we found an identical bracket, increment count.  If we
-	     * found a complementary bracket, decrement it. */
-	    parse_mbchar(answer + statusbar_x, found_ch, NULL);
-	    count += (strncmp(found_ch, ch, ch_len) == 0) ? 1 : -1;
-
-	    /* If count is zero, we've found a matching bracket.  Update
-	     * the statusbar prompt and get out. */
-	    if (count == 0) {
-		if (need_statusbar_horizontal_update(pww_save))
-		    update_statusbar_line(answer, statusbar_x);
-		break;
-	    }
-	} else {
-	    /* We didn't find either an opening or closing bracket.
-	     * Restore where we were, and get out. */
-	    statusbar_x = statusbar_x_save;
-	    statusbar_pww = pww_save;
-	    break;
-	}
-    }
-
-    /* Clean up. */
-    free(bracket_set);
-    free(found_ch);
-}
-#endif /* !NANO_TINY */
 
 /* Return the placewewant associated with statusbar_x, i.e. the
  * zero-based column position of the cursor.  The value will be no

src/proto.h

@@ -514,11 +514,6 @@ bool do_statusbar_next_word(bool allow_punct);
 bool do_statusbar_prev_word(bool allow_punct);
 #endif
 void do_statusbar_verbatim_input(bool *got_enter);
-#ifndef NANO_TINY
-bool find_statusbar_bracket_match(bool reverse, const char
-	*bracket_set);
-void do_statusbar_find_bracket(void);
-#endif
 size_t statusbar_xplustabs(void);
 size_t get_statusbar_page_start(size_t start_col, size_t column);
 void reset_statusbar_cursor(void);