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/// @file
#include "jets/k.h"
#include "jets/q.h"
#include "jets/w.h"
#include "noun.h"
#include <ctype.h>
static
c3_y to_digit(c3_y tig)
{
if (tig >= 10) {
return 87 + tig;
} else {
return '0' + tig;
}
}
// gives the characters for a four 'digit' small hex atom.
static
void
_x_co_four(c3_w src, c3_y* a, c3_y* b, c3_y* c, c3_y* d)
{
*d = to_digit(src & 0xF);
src >>= 4;
*c = to_digit(src & 0xF);
src >>= 4;
*b = to_digit(src & 0xF);
src >>= 4;
*a = to_digit(src & 0xF);
}
// The parser always prints two digits on 0 in y-co.
static
void
_y_co_two(c3_w src, c3_y* a, c3_y* b)
{
*b = to_digit(src % 10);
*a = to_digit(src / 10);
}
//
static
u3_noun
_add_year(c3_w year, u3_noun out)
{
while (year > 0) {
out = u3nc(to_digit(year % 10), out);
year = year / 10;
}
return out;
}
static
u3_noun
_print_da(u3_noun cor, u3_atom raw_da)
{
u3_noun hok = u3j_cook("u3we_scow_print_da", u3k(cor), "yore");
u3_noun yod = u3n_slam_on(hok, u3k(raw_da));
u3_noun out = 0;
u3_atom age, year, month, day, hour, min, sec, f;
if (c3n == u3r_mean(yod, 4, &age,
5, &year,
6, &month,
14, &day,
30, &hour,
62, &min,
126, &sec,
127, &f,
0)) {
return u3m_bail(c3__exit);
}
if (f != 0) {
u3_noun f_list = u3qb_flop(f);
for (u3_noun cur = f_list;
_(u3a_is_cell(cur));
cur = u3t(cur)) {
if (_(u3a_is_cat(u3h(cur)))) {
c3_y a, b, c, d;
_x_co_four(u3h(cur), &a, &b, &c, &d);
out = u3nq('.', a, b, u3nt(c, d, out));
} else {
// No way to deal with big atoms. fall back.
u3z(yod);
u3z(out);
u3z(f_list);
return u3_none;
}
}
u3z(f_list);
out = u3nc('.', out);
}
// if there isn't a hex list and the h/m/s are all 0, skip printing hours.
if (f != 0 || hour != 0 || min != 0 || sec != 0) {
if (!_(u3a_is_cat(hour)) ||
!_(u3a_is_cat(min)) ||
!_(u3a_is_cat(sec))) {
// Input is weird, fallback to nock.
u3z(yod);
u3z(out);
return u3_none;
}
c3_y sa, sb, ma, mb, ha, hb;
_y_co_two(sec, &sa, &sb);
out = u3nq('.', sa, sb, out);
_y_co_two(min, &ma, &mb);
out = u3nq('.', ma, mb, out);
_y_co_two(hour, &ha, &hb);
out = u3nq('.', ha, hb, out);
out = u3nc('.', out);
}
// We always print the Y.M.D. Unlike others, these numbers are unconstrained
// by length, but in practice, the month number and day number can only be up
// to two digits because of +yore. We still need to remove 0 prefixes,
// though.
if (!_(u3a_is_cat(day)) || day > 99 ||
!_(u3a_is_cat(month)) || month > 99 ||
!_(u3a_is_cat(year))) {
// Input is weird, fallback to nock.
u3z(yod);
u3z(out);
return u3_none;
}
c3_y da, db;
_y_co_two(day, &da, &db);
out = u3nc(db, out);
if (da != '0') {
out = u3nc(da, out);
}
out = u3nc('.', out);
c3_y ma, mb;
_y_co_two(month, &ma, &mb);
out = u3nc(mb, out);
if (ma != '0') {
out = u3nc(ma, out);
}
out = u3nc('.', out);
// suffix the year with a '-' for BC dates
if (age == c3n) {
out = u3nc('-', out);
}
// The year part is the only place where we have to explicitly loop over the
// input because it can be arbitrarily large or small.
out = _add_year(year, out);
out = u3nc('~', out);
u3z(yod);
return out;
}
static
u3_noun
_print_p(u3_atom cor, u3_atom p)
{
// Scramble the raw number to the concealed version.
u3_noun ob = u3j_cook("u3we_scow_ob_p", u3k(cor), "ob");
u3_noun hok = u3j_cook("u3we_scow_fein_p", ob, "fein");
u3_atom sxz = u3n_slam_on(hok, u3k(p));
// Simple galaxy case
if (c3y == u3qa_lth(sxz, 256)) {
c3_y a, b, c;
u3_po_to_suffix(sxz, &a, &b, &c);
u3z(sxz);
return u3nq('~', a, b, u3nc(c, 0));
}
u3_atom dyy = u3qc_met(4, sxz);
if (!_(u3a_is_cat(dyy))) {
u3z(sxz);
u3z(dyy);
return u3_none;
}
u3_noun list = 0;
for (c3_w imp = 0; imp != dyy; ++imp) {
c3_w log = u3qc_end(4, 1, sxz);
c3_w prefix = u3qc_rsh(3, 1, log);
c3_w suffix = u3qc_end(3, 1, log);
c3_y a, b, c, d, e, f;
u3_po_to_prefix(prefix, &a, &b, &c);
u3_po_to_suffix(suffix, &d, &e, &f);
if (imp % 4 == 0) {
if (imp != 0) {
list = u3nt('-', '-', list);
}
} else {
list = u3nc('-', list);
}
list = u3nq(a, b, c, u3nq(d, e, f, list));
sxz = u3qc_rsh(4, 1, sxz);
}
u3z(sxz);
return u3nc('~', list);
}
u3_atom
u3qe_scow(u3_atom a, u3_atom b)
{
switch (a) {
// XX disabled due to memory corruption
// rewrite for +scot jet and test there
//
// case c3__da: return _print_da(cor, atom);
// case 'p': return _print_p(cor, atom);
default: {
u3_weak dat = u3qe_scot(a, b);
u3_weak pro = u3_none;
if ( u3_none != dat ) {
pro = u3qc_rip(3, 1, dat);
u3z(dat);
}
return pro;
}
}
}
u3_noun
u3we_scow(u3_noun cor)
{
u3_atom a, b;
u3x_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0);
return u3qe_scow(u3x_atom(a), u3x_atom(b));
}
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