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Diffstat (limited to 'html.c')
-rw-r--r--html.c82
1 files changed, 50 insertions, 32 deletions
diff --git a/html.c b/html.c
index 3b6135ad..0ce50710 100644
--- a/html.c
+++ b/html.c
@@ -449,7 +449,7 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
char numbuf[16];
struct tag *t;
const char *attr;
- char *s;
+ char *arg1, *arg2;
double v;
int i, have_style, tflags;
@@ -494,12 +494,14 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
have_style = 0;
while (*fmt != '\0') {
if (*fmt == 's') {
- print_word(h, " style=\"");
have_style = 1;
fmt++;
break;
}
- s = va_arg(ap, char *);
+
+ /* Parse a non-style attribute and its arguments. */
+
+ arg1 = va_arg(ap, char *);
switch (*fmt++) {
case 'c':
attr = "class";
@@ -511,23 +513,31 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
attr = "id";
break;
case '?':
- attr = s;
- s = va_arg(ap, char *);
+ attr = arg1;
+ arg1 = va_arg(ap, char *);
break;
default:
abort();
}
+ arg2 = NULL;
+ if (*fmt == 'M')
+ arg2 = va_arg(ap, char *);
+ if (arg1 == NULL)
+ continue;
+
+ /* Print the non-style attributes. */
+
print_byte(h, ' ');
print_word(h, attr);
print_byte(h, '=');
print_byte(h, '"');
switch (*fmt) {
case 'M':
- print_href(h, s, va_arg(ap, char *), 1);
+ print_href(h, arg1, arg2, 1);
fmt++;
break;
case 'I':
- print_href(h, s, NULL, 0);
+ print_href(h, arg1, NULL, 0);
fmt++;
break;
case 'R':
@@ -535,7 +545,7 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
fmt++;
/* FALLTHROUGH */
default:
- print_encode(h, s, NULL, 1);
+ print_encode(h, arg1, NULL, 1);
break;
}
print_byte(h, '"');
@@ -543,31 +553,35 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
/* Print out styles. */
- s = NULL;
- su = &mysu;
while (*fmt != '\0') {
+ arg1 = NULL;
+ su = NULL;
/* First letter: input argument type. */
switch (*fmt++) {
case 'h':
i = va_arg(ap, int);
+ su = &mysu;
SCALE_HS_INIT(su, i);
break;
case 's':
- s = va_arg(ap, char *);
+ arg1 = va_arg(ap, char *);
break;
case 'u':
su = va_arg(ap, struct roffsu *);
break;
case 'v':
i = va_arg(ap, int);
+ su = &mysu;
SCALE_VS_INIT(su, i);
break;
case 'w':
case 'W':
- s = va_arg(ap, char *);
- a2width(s, su);
+ if ((arg2 = va_arg(ap, char *)) == NULL)
+ break;
+ su = &mysu;
+ a2width(arg2, su);
if (fmt[-1] == 'W')
su->scale *= -1.0;
break;
@@ -600,33 +614,37 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
attr = "min-width";
break;
case '?':
- print_word(h, s);
- print_byte(h, ':');
- print_byte(h, ' ');
- print_word(h, va_arg(ap, char *));
- print_byte(h, ';');
- if (*fmt != '\0')
- print_byte(h, ' ');
- continue;
+ attr = arg1;
+ arg1 = va_arg(ap, char *);
+ break;
default:
abort();
}
- v = su->scale;
- if (su->unit == SCALE_MM && (v /= 100.0) == 0.0)
- v = 1.0;
- else if (su->unit == SCALE_BU)
- v /= 24.0;
+ if (su == NULL && arg1 == NULL)
+ continue;
+
+ if (have_style == 1)
+ print_word(h, " style=\"");
+ else
+ print_byte(h, ' ');
print_word(h, attr);
print_byte(h, ':');
print_byte(h, ' ');
- (void)snprintf(numbuf, sizeof(numbuf), "%.2f", v);
- print_word(h, numbuf);
- print_word(h, roffscales[su->unit]);
+ if (su != NULL) {
+ v = su->scale;
+ if (su->unit == SCALE_MM && (v /= 100.0) == 0.0)
+ v = 1.0;
+ else if (su->unit == SCALE_BU)
+ v /= 24.0;
+ (void)snprintf(numbuf, sizeof(numbuf), "%.2f", v);
+ print_word(h, numbuf);
+ print_word(h, roffscales[su->unit]);
+ } else
+ print_word(h, arg1);
print_byte(h, ';');
- if (*fmt != '\0')
- print_byte(h, ' ');
+ have_style = 2;
}
- if (have_style)
+ if (have_style == 2)
print_byte(h, '"');
va_end(ap);