struct func *strtofunc(const char *s, struct func *f, struct expr *expr, struct dict *funcs) {
char *argstr, *funcname, *tok, *funcpy;
struct func *call, *funcarg;
struct token *atok;
struct var *arg;
tok = strdup(s);
while (isspace(*tok)) tok++; /* remove leading whitespace */
if (!strpbrk(tok, " ")) {
call = dictobj(funcs, tok);
if (!call)
error(-1, "No such function %s\nLine: %s\n", funcname, expr->expr);
call->args = arrnew(NULL);
return call;
}
argstr = strdup(strpbrk(tok, " "));
funcname = strtok(tok, " ");
call = dictobj(funcs, funcname);
if (!call)
error(-1, "No such function %s\nLine: %s\n", funcname, expr->expr);
call->args = arrnew(NULL);
arg = NULL;
atok = gettok(argstr);
/* funcname becomes the name of the arg here */
while (atok != NULL) {
funcname = atok->tok;
switch (atok->type) {
case T_LIT:
arg = strtolit(atok->tok, f, expr);
arg->name = funcname;
break;
case T_VAR:
arg = dictobj(f->scope, funcname);
if (!arg)
error(-2, "No such variable %s\nLine: %s\n", funcname, expr->expr);
break;
case T_FUNC:
funcpy = strdup(atok->tok);
funcpy++;
funcpy[strlen(funcpy) - 1] = 0;
funcarg = strtofunc(funcpy, f, expr, funcs);
if (funcarg->type == F_NORM)
arg = exec(funcarg, funcs);
else if (funcarg->type == F_SPEC)
arg = funcarg->spec(funcarg->args);
break;
default:
atok = atok->next;
continue;
}
arradd(call->args, arg);
atok = atok->next;
}
return call;
}
const array_t *sc_tracks_from_json(cJSON *root) {
int len = cJSON_GetArraySize(root);
array_t *tracks = arrnew();
for (int i = 0; i < len; i++) {
cJSON *track_json = cJSON_GetArrayItem(root, i);
sc_track_t *track = sc_track_from_json(track_json);
if (track) {
arradd(tracks, (void*)track);
}
}
cJSON_Delete(root);
return tracks;
}
const array_t *sc_get_playlists(sc_t *sc) {
char *url = sc_create_url(SC_EUSERS, SC_EPLAYLISTS, sc->username,
SC_ARG_LEN(0),
SC_DEFAULT_ARG_LIST(sc->client_id));
cJSON *root = http_get_json(url);
free(url);
array_t *playlists = arrnew(cJSON_GetArraySize(root));
for (int i = 0; i < cJSON_GetArraySize(root); i++) {
cJSON *playlist = cJSON_GetArrayItem(root, i);
arradd(playlists, (void*)sc_playlist_from_json(playlist));
}
cJSON_Delete(root);
return playlists;
}
/**
* Go from /user/playlist/song to ["user", "playlist", "song"]
* return: array_t* of char*
*/
static array_t *sc_split_path(const char *path) {
const char *delim = "/";
array_t *ret = arrnew();
char *dup = strdup(path);
char *user = strtok(dup, delim);
if (!user) {
free(user);
return ret;
}
arradd(ret, (void*)strdup(user));
while (1) {
char *next = strtok(NULL, delim);
if (!next) break;
arradd(ret, (void*)strdup(next));
}
free(dup);
return ret;
}
