/* 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_bracket_match(bool reverse, const char *bracket_set)
{
linestruct *fileptr = openfile->current;
const char *rev_start = NULL, *found = NULL;
ssize_t current_y_find = openfile->current_y;
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, and rev_start will be properly set when
* the search continues on the previous or next line. */
rev_start = reverse ? fileptr->data + (openfile->current_x - 1) :
fileptr->data + (openfile->current_x + 1);
/* 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. */
while (TRUE) {
found = ((rev_start > fileptr->data && *(rev_start - 1) ==
'\0') || rev_start < fileptr->data) ? NULL : (reverse ?
mbrevstrpbrk(fileptr->data, bracket_set, rev_start) :
mbstrpbrk(rev_start, bracket_set));
if (found != NULL)
/* We've found a potential match. */
break;
if (reverse) {
fileptr = fileptr->prev;
current_y_find--;
} else {
fileptr = fileptr->next;
current_y_find++;
}
if (fileptr == NULL)
/* We've reached the start or end of the buffer, so get out. */
return FALSE;
rev_start = fileptr->data;
if (reverse)
rev_start += strlen(fileptr->data);
}
/* We've definitely found something. */
openfile->current = fileptr;
openfile->current_x = found - fileptr->data;
openfile->placewewant = xplustabs();
openfile->current_y = current_y_find;
return TRUE;
}
/* 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;
}
