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Remove some unnecessary temporary variables and be much less strict

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about spacing in style_parse.
This commit is contained in:
nicm
2019-03-14 21:46:08 +00:00
parent 4206bcc10e
commit bace79a571
1 changed files with 30 additions and 35 deletions
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65
style.c
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@@ -39,24 +39,24 @@ static struct style style_default = {
int
style_parse(struct style *sy, const struct grid_cell *base, const char *in)
{
struct style saved;
const char delimiters[] = " ,";
char tmp[32];
int value, fg, bg, attr, flags;
size_t end;
struct style saved;
const char delimiters[] = " ,";
char tmp[32];
int value;
size_t end;
if (*in == '\0')
return (0);
if (strchr(delimiters, in[strlen(in) - 1]) != NULL)
return (-1);
style_copy(&saved, sy);
fg = sy->gc.fg;
bg = sy->gc.bg;
attr = sy->gc.attr;
flags = sy->gc.flags;
do {
while (*in != '\0' && strchr(delimiters, *in) != NULL) {
in++;
end--;
}
if (*in == '\0')
break;
end = strcspn(in, delimiters);
if (end > (sizeof tmp) - 1)
goto error;
@@ -64,45 +64,40 @@ style_parse(struct style *sy, const struct grid_cell *base, const char *in)
tmp[end] = '\0';
if (strcasecmp(tmp, "default") == 0) {
fg = base->fg;
bg = base->bg;
attr = base->attr;
flags = base->flags;
sy->gc.fg = base->fg;
sy->gc.bg = base->bg;
sy->gc.attr = base->attr;
sy->gc.flags = base->flags;
} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
if ((value = colour_fromstring(tmp + 3)) == -1)
goto error;
if (*in == 'f' || *in == 'F') {
if (value != 8)
fg = value;
sy->gc.fg = value;
else
fg = base->fg;
sy->gc.fg = base->fg;
} else if (*in == 'b' || *in == 'B') {
if (value != 8)
bg = value;
sy->gc.bg = value;
else
bg = base->bg;
sy->gc.bg = base->bg;
} else
goto error;
} else if (strcasecmp(tmp, "none") == 0)
attr = 0;
sy->gc.attr = 0;
else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
if ((value = attributes_fromstring(tmp + 2)) == -1)
goto error;
attr &= ~value;
sy->gc.attr &= ~value;
} else {
if ((value = attributes_fromstring(tmp)) == -1)
goto error;
attr |= value;
sy->gc.attr |= value;
}
in += end + strspn(in + end, delimiters);
} while (*in != '\0');
sy->gc.fg = fg;
sy->gc.bg = bg;
sy->gc.attr = attr;
sy->gc.flags = flags;
return (0);
error:
@@ -122,18 +117,18 @@ style_tostring(struct style *sy)
*s = '\0';
if (gc->fg != 8) {
off += xsnprintf(s + off, sizeof s - off, "%sfg=%s",
comma, colour_tostring(gc->fg));
off += xsnprintf(s + off, sizeof s - off, "%sfg=%s", comma,
colour_tostring(gc->fg));
comma = ",";
}
if (gc->bg != 8) {
off += xsnprintf(s + off, sizeof s - off, "%sbg=%s",
comma, colour_tostring(gc->bg));
off += xsnprintf(s + off, sizeof s - off, "%sbg=%s", comma,
colour_tostring(gc->bg));
comma = ",";
}
if (gc->attr != 0 && gc->attr != GRID_ATTR_CHARSET) {
xsnprintf(s + off, sizeof s - off, "%s%s",
comma, attributes_tostring(gc->attr));
xsnprintf(s + off, sizeof s - off, "%s%s", comma,
attributes_tostring(gc->attr));
comma = ",";
}
@@ -174,7 +169,7 @@ style_apply_update(struct grid_cell *gc, struct options *oo, const char *name)
void
style_set(struct style *sy, const struct grid_cell *gc)
{
memset(sy, 0, sizeof *sy);
memcpy(sy, &style_default, sizeof *sy);
memcpy(&sy->gc, gc, sizeof sy->gc);
}