static int
termp_sp_pre(DECL_ARGS)
{
struct roffsu su;
int i, len;
switch (n->tok) {
case MDOC_sp:
if (n->child) {
if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
su.scale = 1.0;
len = term_vspan(p, &su);
} else
len = 1;
break;
case MDOC_br:
len = 0;
break;
default:
len = 1;
fn_prio = 0;
break;
}
if (0 == len)
term_newln(p);
else if (len < 0)
p->skipvsp -= len;
else
for (i = 0; i < len; i++)
term_vspace(p);
return 0;
}
static size_t
a2height(const struct termp *p, const char *cp)
{
struct roffsu su;
if ( ! a2roffsu(cp, &su, SCALE_VS))
SCALE_VS_INIT(&su, atoi(cp));
return(term_vspan(p, &su));
}
static size_t
a2height(const struct termp *p, const char *v)
{
struct roffsu su;
assert(v);
if ( ! a2roffsu(v, &su, SCALE_VS))
SCALE_VS_INIT(&su, term_len(p, 1));
return(term_vspan(p, &su));
}
static int
pre_sp(DECL_ARGS)
{
struct roffsu su;
int i, len;
if ((NULL == n->prev && n->parent)) {
switch (n->parent->tok) {
case MAN_SH:
case MAN_SS:
case MAN_PP:
case MAN_LP:
case MAN_P:
return 0;
default:
break;
}
}
if (n->tok == MAN_br)
len = 0;
else if (n->child == NULL)
len = 1;
else {
if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
su.scale = 1.0;
len = term_vspan(p, &su);
}
if (len == 0)
term_newln(p);
else if (len < 0)
p->skipvsp -= len;
else
for (i = 0; i < len; i++)
term_vspace(p);
/*
* Handle an explicit break request in the same way
* as an overflowing line.
*/
if (p->flags & TERMP_BRIND) {
p->offset = p->rmargin;
p->rmargin = p->maxrmargin;
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
}
return 0;
}
static int
pre_PD(DECL_ARGS)
{
struct roffsu su;
n = n->child;
if (n == NULL) {
mt->pardist = 1;
return 0;
}
assert(n->type == ROFFT_TEXT);
if (a2roffsu(n->string, &su, SCALE_VS))
mt->pardist = term_vspan(p, &su);
return 0;
}
static int
pre_sp(DECL_ARGS)
{
struct roffsu su;
int i, len;
if ((NULL == n->prev && n->parent)) {
switch (n->parent->tok) {
case MAN_SH:
/* FALLTHROUGH */
case MAN_SS:
/* FALLTHROUGH */
case MAN_PP:
/* FALLTHROUGH */
case MAN_LP:
/* FALLTHROUGH */
case MAN_P:
/* FALLTHROUGH */
return(0);
default:
break;
}
}
if (n->tok == MAN_br)
len = 0;
else if (n->child == NULL)
len = 1;
else {
if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
su.scale = 1.0;
len = term_vspan(p, &su);
}
if (len == 0)
term_newln(p);
else if (len < 0)
p->skipvsp -= len;
else
for (i = 0; i < len; i++)
term_vspace(p);
return(0);
}
static void
roff_term_pre_sp(ROFF_TERM_ARGS)
{
struct roffsu su;
int len;
if (n->child != NULL) {
if (a2roffsu(n->child->string, &su, SCALE_VS) == NULL)
su.scale = 1.0;
len = term_vspan(p, &su);
} else
len = 1;
if (len < 0)
p->skipvsp -= len;
else
while (len--)
term_vspace(p);
roff_term_pre_br(p, n);
}
