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miscellaneous cleanups in do_find_bracket(): rename variables for 

consistency, and save the search direction and regexp setting in two
bools instead of one flags variable


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2702 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
David Lawrence Ramsey 2005-06-16 20:41:20 +00:00
parent 62e117421f
commit 5c8197d78f
2 changed files with 29 additions and 16 deletions
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4
ChangeLog
View File

@ -246,6 +246,10 @@ CVS code -
work properly when we've replaced one or more instances of a
string in copy and haven't yet updated current->data to match
copy. (DLR)
do_find_bracket()
- Miscellaneous cleanups: rename variables for consistency, and
save the search direction and regexp setting in two bools
instead of one flags variable. (DLR)
- utils.c:
num_of_digits()
- Use a size_t instead of an int, and rename to digits(). (DLR)

41
src/search.c
View File

@ -1041,49 +1041,49 @@ void do_gotopos(int line, size_t pos_x, int pos_y, size_t pos_pww)
#if !defined(NANO_SMALL) && defined(HAVE_REGEX_H)
void do_find_bracket(void)
{
char ch_under_cursor, wanted_ch;
const char *pos, *brackets = "([{<>}])";
char regexp_pat[] = "[ ]";
const char *pos, *bracket_pat = "([{<>}])";
char cursor_ch, wanted_ch, regexp_pat[] = "[ ]";
size_t current_x_save, pww_save;
int count = 1;
unsigned long flags_save;
bool regexp_set = ISSET(USE_REGEXP);
bool backwards_search_set = ISSET(BACKWARDS_SEARCH);
filestruct *current_save;
ch_under_cursor = current->data[current_x];
cursor_ch = current->data[current_x];
pos = strchr(bracket_pat, cursor_ch);
pos = strchr(brackets, ch_under_cursor);
if (ch_under_cursor == '\0' || pos == NULL) {
if (cursor_ch == '\0' || pos == NULL) {
statusbar(_("Not a bracket"));
return;
}
assert(strlen(brackets) % 2 == 0);
assert(strlen(bracket_pat) % 2 == 0);
wanted_ch = brackets[(strlen(brackets) - 1) - (pos - brackets)];
wanted_ch =
bracket_pat[(strlen(bracket_pat) - 1) - (pos - bracket_pat)];
current_save = current;
current_x_save = current_x;
pww_save = placewewant;
flags_save = flags;
SET(USE_REGEXP);
/* Apparent near redundancy with regexp_pat[] here is needed.
* "[][]" works, "[[]]" doesn't. */
if (pos < brackets + (strlen(brackets) / 2)) {
if (pos < bracket_pat + (strlen(bracket_pat) / 2)) {
/* On a left bracket. */
regexp_pat[1] = wanted_ch;
regexp_pat[2] = ch_under_cursor;
regexp_pat[2] = cursor_ch;
UNSET(BACKWARDS_SEARCH);
} else {
/* On a right bracket. */
regexp_pat[1] = ch_under_cursor;
regexp_pat[1] = cursor_ch;
regexp_pat[2] = wanted_ch;
SET(BACKWARDS_SEARCH);
}
regexp_init(regexp_pat);
/* We constructed regexp_pat to be a valid expression. */
/* We constructed regexp_pat to be a valid regular expression. */
assert(regexp_compiled);
findnextstr_wrap_reset();
@ -1091,7 +1091,7 @@ void do_find_bracket(void)
if (findnextstr(FALSE, FALSE, FALSE, current, current_x,
regexp_pat, NULL)) {
/* Found identical bracket. */
if (current->data[current_x] == ch_under_cursor)
if (current->data[current_x] == cursor_ch)
count++;
/* Found complementary bracket. */
else if (--count == 0) {
@ -1110,7 +1110,16 @@ void do_find_bracket(void)
}
regexp_cleanup();
flags = flags_save;
/* Restore search direction. */
if (backwards_search_set)
SET(BACKWARDS_SEARCH);
else
UNSET(BACKWARDS_SEARCH);
/* Restore regular expression usage setting. */
if (!regexp_set)
UNSET(USE_REGEXP);
}
#endif