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#include "cube.h"
_static int64_t write_result(cube_t, char [static 22]);
/* TODO: add option to get DR, maybe C-only, E-only, eo... */
#define GETCUBE_OPTIONS(S, F) { .option = S, .fix = F }
struct {
char *option;
void (*fix)(int64_t *, int64_t *, int64_t *, int64_t *);
} getcube_options[] = {
GETCUBE_OPTIONS("fix", getcube_fix),
GETCUBE_OPTIONS(NULL, NULL)
};
_static int64_t
write_result(cube_t cube, char result[static 22])
{
if (!isconsistent(cube)) {
writecube("B32", zero, result);
return 2;
}
writecube("B32", cube, result);
return issolvable(cube) ? 0 : 1;
}
int64_t
nissy_compose(
const char cube[static 22],
const char permutation[static 22],
char result[static 22]
)
{
cube_t c, p, res;
c = readcube("B32", cube);
p = readcube("B32", permutation);
res = compose(c, p);
return write_result(res, result);
}
int64_t
nissy_inverse(
const char cube[static 22],
char result[static 22]
)
{
cube_t c, res;
c = readcube("B32", cube);
res = inverse(c);
return write_result(res, result);
}
int64_t
nissy_applymoves(
const char cube[static 22],
const char *moves,
char result[static 22]
)
{
cube_t c, res;
c = readcube("B32", cube);
res = applymoves(c, moves);
return write_result(res, result);
}
int64_t
nissy_applytrans(
const char cube[static 22],
const char *transformation,
char result[static 22]
)
{
cube_t c, res;
c = readcube("B32", cube);
res = applytrans(c, transformation);
return write_result(res, result);
}
int64_t
nissy_frommoves(
const char *moves,
char result[static 22]
)
{
cube_t res;
res = applymoves(solved, moves);
return write_result(res, result);
}
int64_t
nissy_convert(
const char *format_in,
const char *format_out,
const char *cube_string,
char *result
)
{
cube_t c;
c = readcube(format_in, cube_string);
writecube(format_out, c, result);
return isconsistent(c) ? 0 : 2;
}
int64_t
nissy_getcube(
int64_t ep,
int64_t eo,
int64_t cp,
int64_t co,
const char *options,
char result[static 22]
)
{
int i;
cube_t c;
for (i = 0; getcube_options[i].option != NULL; i++)
if (!strcmp(options, getcube_options[i].option))
getcube_options[i].fix(&ep, &eo, &cp, &co);
c = getcube(ep, eo, cp, co);
return write_result(c, result);
}
int64_t
nissy_datasize(
const char *solver,
const char *options
)
{
/* gendata() handles a NULL *data as a "dryrun" request */
return nissy_gendata(solver, options, NULL);
}
int64_t
nissy_gendata(
const char *solver,
const char *options,
void *data
)
{
int64_t ret;
uint8_t maxdepth, h, i, j;
if (!strcmp(solver, "H48")) {
/* options are in the form "h;maxdepth" */
for (i = 0; options[i] != ';'; i++) ;
for (j = i; options[j]; j++) ;
h = atoi(options);
maxdepth = atoi(&options[i+1]);
ret = gendata_h48(data, h, maxdepth);
} else if (!strcmp(solver, "H48stats")) {
ret = gendata_cocsep(data, NULL, NULL);
} else {
LOG("gendata: implemented only for H48 solver\n");
ret = -1;
}
return ret;
}
int64_t
nissy_solve(
const char cube[static 22],
const char *solver,
const char *options,
const char *nisstype,
int8_t minmoves,
int8_t maxmoves,
int64_t maxsolutions,
int8_t optimal,
const void *data,
char *solutions
)
{
cube_t c;
int64_t ret;
int h;
c = readcube_B32(cube);
if (!issolvable(c)) {
LOG("solve: cube is not solvable\n");
return -1;
}
if (minmoves < 0) {
LOG("solve: 'minmoves' is negative, setting it to 0\n");
minmoves = 0;
}
if (maxmoves < 0) {
LOG("solve: 'maxmoves' is negative, setting it to 20\n");
maxmoves = 20;
}
if (maxsolutions < 0) {
LOG("solve: 'maxsols' is negative, stopping\n");
return -1;
}
if (maxsolutions == 0) {
LOG("solve: 'maxsols' is 0, returning no solution\n");
return 0;
}
if (solutions == NULL) {
LOG("solve: return parameter 'solutions' is NULL, stopping\n");
return -1;
}
/* TODO define and use solve_options_t */
if (!strcmp(solver, "H48")) {
h = atoi(options); /* TODO: better parsing */
ret = solve_h48(
c, minmoves, maxmoves, maxsolutions,
(uint8_t)h, data, solutions);
ret = -1;
} else if (!strcmp(solver, "H48stats")) {
ret = solve_h48stats(c, maxmoves, data, solutions);
} else if (!strcmp(solver, "simple")) {
ret = solve_simple(
c, minmoves, maxmoves, maxsolutions, optimal, solutions);
} else {
LOG("solve: unknown solver '%s'\n", solver);
ret = -1;
}
return ret;
}
void
nissy_setlogger(void (*log)(const char *, ...))
{
nissy_log = log;
}
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