mirror of
https://github.com/tmux/tmux.git
synced 2024-12-14 02:48:47 +00:00
Merge branch 'obsd-master' into master
This commit is contained in:
Thomas Adam
commit
1dec1ca146
199
format-draw.c
199
format-draw.c
@ -632,6 +632,36 @@ format_draw_absolute_centre(struct screen_write_ctx *octx, u_int available,
|
||||
width_after);
|
||||
}
|
||||
|
||||
/* Get width and count of any leading #s. */
|
||||
static const char *
|
||||
format_leading_hashes(const char *cp, u_int *n, u_int *width)
|
||||
{
|
||||
for (*n = 0; cp[*n] == '#'; (*n)++)
|
||||
/* nothing */;
|
||||
if (*n == 0) {
|
||||
*width = 0;
|
||||
return (cp);
|
||||
}
|
||||
if (cp[*n] != '[') {
|
||||
if ((*n % 2) == 0)
|
||||
*width = (*n / 2);
|
||||
else
|
||||
*width = (*n / 2) + 1;
|
||||
return (cp + *n);
|
||||
}
|
||||
*width = (*n / 2);
|
||||
if ((*n % 2) == 0) {
|
||||
/*
|
||||
* An even number of #s means that all #s are escaped, so not a
|
||||
* style. The caller should not skip this. Return pointing to
|
||||
* the [.
|
||||
*/
|
||||
return (cp + *n);
|
||||
}
|
||||
/* This is a style, so return pointing to the #. */
|
||||
return (cp + *n - 1);
|
||||
}
|
||||
|
||||
/* Draw multiple characters. */
|
||||
static void
|
||||
format_draw_many(struct screen_write_ctx *ctx, struct style *sy, char ch,
|
||||
@ -1002,37 +1032,22 @@ u_int
|
||||
format_width(const char *expanded)
|
||||
{
|
||||
const char *cp, *end;
|
||||
u_int n, width = 0;
|
||||
u_int n, leading_width, width = 0;
|
||||
struct utf8_data ud;
|
||||
enum utf8_state more;
|
||||
|
||||
cp = expanded;
|
||||
while (*cp != '\0') {
|
||||
if (*cp == '#') {
|
||||
for (n = 1; cp[n] == '#'; n++)
|
||||
/* nothing */;
|
||||
if (cp[n] != '[') {
|
||||
width += n;
|
||||
cp += n;
|
||||
continue;
|
||||
end = format_leading_hashes(cp, &n, &leading_width);
|
||||
width += leading_width;
|
||||
cp = end;
|
||||
if (*cp == '#') {
|
||||
end = format_skip(cp + 2, "]");
|
||||
if (end == NULL)
|
||||
return (0);
|
||||
cp = end + 1;
|
||||
}
|
||||
width += (n / 2); /* one for each ## */
|
||||
|
||||
if ((n % 2) == 0) {
|
||||
/*
|
||||
* An even number of #s means that all #s are
|
||||
* escaped, so not a style.
|
||||
*/
|
||||
width++; /* one for the [ */
|
||||
cp += (n + 1);
|
||||
continue;
|
||||
}
|
||||
cp += (n - 1); /* point to the [ */
|
||||
|
||||
end = format_skip(cp + 2, "]");
|
||||
if (end == NULL)
|
||||
return (0);
|
||||
cp = end + 1;
|
||||
} else if ((more = utf8_open(&ud, *cp)) == UTF8_MORE) {
|
||||
while (*++cp != '\0' && more == UTF8_MORE)
|
||||
more = utf8_append(&ud, *cp);
|
||||
@ -1059,7 +1074,7 @@ format_trim_left(const char *expanded, u_int limit)
|
||||
{
|
||||
char *copy, *out;
|
||||
const char *cp = expanded, *end;
|
||||
u_int even, n, width = 0;
|
||||
u_int n, width = 0, leading_width;
|
||||
struct utf8_data ud;
|
||||
enum utf8_state more;
|
||||
|
||||
@ -1068,44 +1083,27 @@ format_trim_left(const char *expanded, u_int limit)
|
||||
if (width >= limit)
|
||||
break;
|
||||
if (*cp == '#') {
|
||||
for (end = cp + 1; *end == '#'; end++)
|
||||
/* nothing */;
|
||||
n = end - cp;
|
||||
if (*end != '[') {
|
||||
if (n > limit - width)
|
||||
n = limit - width;
|
||||
memcpy(out, cp, n);
|
||||
out += n;
|
||||
width += n;
|
||||
cp = end;
|
||||
continue;
|
||||
}
|
||||
even = ((n % 2) == 0);
|
||||
|
||||
n /= 2;
|
||||
if (n > limit - width)
|
||||
n = limit - width;
|
||||
width += n;
|
||||
n *= 2;
|
||||
memcpy(out, cp, n);
|
||||
out += n;
|
||||
|
||||
if (even) {
|
||||
if (width + 1 <= limit) {
|
||||
*out++ = '[';
|
||||
width++;
|
||||
end = format_leading_hashes(cp, &n, &leading_width);
|
||||
if (leading_width > limit - width)
|
||||
leading_width = limit - width;
|
||||
if (leading_width != 0) {
|
||||
if (n == 1)
|
||||
*out++ = '#';
|
||||
else {
|
||||
memset(out, '#', 2 * leading_width);
|
||||
out += 2 * leading_width;
|
||||
}
|
||||
cp = end + 1;
|
||||
continue;
|
||||
width += leading_width;
|
||||
}
|
||||
cp = end;
|
||||
if (*cp == '#') {
|
||||
end = format_skip(cp + 2, "]");
|
||||
if (end == NULL)
|
||||
break;
|
||||
memcpy(out, cp, end + 1 - cp);
|
||||
out += (end + 1 - cp);
|
||||
cp = end + 1;
|
||||
}
|
||||
cp = end - 1;
|
||||
|
||||
end = format_skip(cp + 2, "]");
|
||||
if (end == NULL)
|
||||
break;
|
||||
memcpy(out, cp, end + 1 - cp);
|
||||
out += (end + 1 - cp);
|
||||
cp = end + 1;
|
||||
} else if ((more = utf8_open(&ud, *cp)) == UTF8_MORE) {
|
||||
while (*++cp != '\0' && more == UTF8_MORE)
|
||||
more = utf8_append(&ud, *cp);
|
||||
@ -1137,7 +1135,8 @@ format_trim_right(const char *expanded, u_int limit)
|
||||
{
|
||||
char *copy, *out;
|
||||
const char *cp = expanded, *end;
|
||||
u_int width = 0, total_width, skip, old_n, even, n;
|
||||
u_int width = 0, total_width, skip, n;
|
||||
u_int leading_width, copy_width;
|
||||
struct utf8_data ud;
|
||||
enum utf8_state more;
|
||||
|
||||
@ -1149,64 +1148,32 @@ format_trim_right(const char *expanded, u_int limit)
|
||||
out = copy = xcalloc(1, strlen(expanded) + 1);
|
||||
while (*cp != '\0') {
|
||||
if (*cp == '#') {
|
||||
for (end = cp + 1; *end == '#'; end++)
|
||||
/* nothing */;
|
||||
old_n = n = end - cp;
|
||||
if (*end != '[') {
|
||||
if (width <= skip) {
|
||||
if (skip - width >= n)
|
||||
n = 0;
|
||||
else
|
||||
n -= (skip - width);
|
||||
}
|
||||
if (n != 0) {
|
||||
memcpy(out, cp, n);
|
||||
out += n;
|
||||
}
|
||||
|
||||
/*
|
||||
* The width always increases by the full
|
||||
* amount even if we can't copy anything yet.
|
||||
*/
|
||||
width += old_n;
|
||||
cp = end;
|
||||
continue;
|
||||
}
|
||||
even = ((n % 2) == 0);
|
||||
|
||||
n /= 2;
|
||||
end = format_leading_hashes(cp, &n, &leading_width);
|
||||
if (width <= skip) {
|
||||
if (skip - width >= n)
|
||||
n = 0;
|
||||
if (skip - width >= leading_width)
|
||||
copy_width = 0;
|
||||
else
|
||||
n -= (skip - width);
|
||||
copy_width -= (skip - width);
|
||||
} else
|
||||
copy_width = leading_width;
|
||||
if (copy_width != 0) {
|
||||
if (n == 1)
|
||||
*out++ = '#';
|
||||
else {
|
||||
memset(out, '#', 2 * copy_width);
|
||||
out += 2 * copy_width;
|
||||
}
|
||||
}
|
||||
if (n != 0) {
|
||||
/*
|
||||
* Copy the full amount because it hasn't been
|
||||
* escaped yet.
|
||||
*/
|
||||
memcpy(out, cp, old_n);
|
||||
out += old_n;
|
||||
width += leading_width;
|
||||
cp = end;
|
||||
if (*cp == '#') {
|
||||
end = format_skip(cp + 2, "]");
|
||||
if (end == NULL)
|
||||
break;
|
||||
memcpy(out, cp, end + 1 - cp);
|
||||
out += (end + 1 - cp);
|
||||
cp = end + 1;
|
||||
}
|
||||
cp += old_n;
|
||||
width += (old_n / 2) - even;
|
||||
|
||||
if (even) {
|
||||
if (width > skip)
|
||||
*out++ = '[';
|
||||
width++;
|
||||
continue;
|
||||
}
|
||||
cp = end - 1;
|
||||
|
||||
end = format_skip(cp + 2, "]");
|
||||
if (end == NULL) {
|
||||
break;
|
||||
}
|
||||
memcpy(out, cp, end + 1 - cp);
|
||||
out += (end + 1 - cp);
|
||||
cp = end + 1;
|
||||
} else if ((more = utf8_open(&ud, *cp)) == UTF8_MORE) {
|
||||
while (*++cp != '\0' && more == UTF8_MORE)
|
||||
more = utf8_append(&ud, *cp);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user