jv jv_has(jv t, jv k) {
assert(jv_is_valid(t));
assert(jv_is_valid(k));
jv ret;
if (jv_get_kind(t) == JV_KIND_NULL) {
jv_free(t);
jv_free(k);
ret = jv_false();
} else if (jv_get_kind(t) == JV_KIND_OBJECT &&
jv_get_kind(k) == JV_KIND_STRING) {
jv elem = jv_object_get(t, k);
ret = jv_bool(jv_is_valid(elem));
jv_free(elem);
} else if (jv_get_kind(t) == JV_KIND_ARRAY &&
jv_get_kind(k) == JV_KIND_NUMBER) {
jv elem = jv_array_get(t, (int)jv_number_value(k));
ret = jv_bool(jv_is_valid(elem));
jv_free(elem);
} else {
ret = jv_invalid_with_msg(jv_string_fmt("Cannot check whether %s has a %s key",
jv_kind_name(jv_get_kind(t)),
jv_kind_name(jv_get_kind(k))));
jv_free(t);
jv_free(k);
}
return ret;
}
static void f_contains(jv input[], jv output[]) {
jv_free(input[0]);
jv a = input[2];
jv b = input[1];
jv_kind akind = jv_get_kind(a);
if (akind == jv_get_kind(b)) {
output[0] = jv_bool(jv_contains(a, b));
} else {
output[0] = jv_invalid_with_msg(jv_string_fmt("Can only check containment of values of the same type."));
jv_free(a);
jv_free(b);
}
}
static void order_cmp(jv input[], jv output[], int op) {
jv_free(input[0]);
jv a = input[2];
jv b = input[1];
if (jv_get_kind(a) == JV_KIND_NUMBER && jv_get_kind(b) == JV_KIND_NUMBER) {
double da = jv_number_value(a);
double db = jv_number_value(b);
output[0] = jv_bool((op == CMP_OP_LESS && da < db) ||
(op == CMP_OP_LESSEQ && da <= db) ||
(op == CMP_OP_GREATEREQ && da >= db) ||
(op == CMP_OP_GREATER && da > db));
} else {
output[0] = jv_invalid_with_msg(jv_string_fmt("Attempted to compare order of %s wrt %s",
jv_kind_name(jv_get_kind(a)),
jv_kind_name(jv_get_kind(b))));
jv_free(a);
jv_free(b);
}
}
static void f_notequal(jv input[], jv output[]) {
jv_free(input[0]);
output[0] = jv_bool(jv_equal(input[2], input[1]) == 0);
}
