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This commit is contained in:
rsc 2006-02-21 18:37:05 +00:00
parent 49a1496cbb
commit c42a1d3d61
31 changed files with 4745 additions and 2 deletions
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74
src/cmd/htmlroff/t6.c Normal file
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@ -0,0 +1,74 @@
#include "a.h"
/*
* Section 6 - line length and indenting.
*/
/* set line length */
void
ll(int v)
{
if(v == 0)
v = getnr(L(".l0"));
nr(L(".l0"), getnr(L(".l")));
nr(L(".l"), v);
}
void
r_ll(int argc, Rune **argv)
{
if(argc < 2)
ll(0);
else if(argv[1][0] == '+')
ll(getnr(L(".l"))+evalscale(argv[1]+1, 'v'));
else if(argv[1][0] == '-')
ll(getnr(L(".l"))-evalscale(argv[1]+1, 'v'));
else
ll(evalscale(argv[1], 'm'));
if(argc > 2)
warn("extra arguments to .ll");
}
void
in(int v)
{
nr(L(".i0"), getnr(L(".i")));
nr(L(".i"), v);
/* XXX */
}
void
r_in(int argc, Rune **argv)
{
if(argc < 2)
in(getnr(L(".i0")));
else if(argv[1][0] == '+')
in(getnr(L(".i"))+evalscale(argv[1]+1, 'm'));
else if(argv[1][0] == '-')
in(getnr(L(".i"))-evalscale(argv[1]+1, 'm'));
else
in(evalscale(argv[1], 'm'));
if(argc > 3)
warn("extra arguments to .in");
}
void
ti(int v)
{
nr(L(".ti"), v);
}
void
r_ti(int argc, Rune **argv)
{
USED(argc);
ti(evalscale(argv[1], 'm'));
}
void
t6init(void)
{
addreq(L("ll"), r_ll, -1);
addreq(L("in"), r_in, -1);
addreq(L("ti"), r_ti, 1);
nr(L(".l"), eval(L("6.5i")));
}