Class object_getClass(const id object)
{
Class cls = 0;
do {
if (object->isTaggedPointer()) {
if (is_data(object)) {
cls = CHData::getClass(nullptr);
break;
}
if (is_string(object)) {
cls = CHString::getClass(nullptr);
break;
}
if (is_number(object)) {
cls = CHNumber::getClass(nullptr);
break;
}
}
cls = object->getClass();
} while (0);
return cls;
}
void object_setIvar(id obj, const Ivar ivar, id value)
{
if (obj && ivar && !obj->isTaggedPointer()) {
const char *encodeType = ivar_getTypeEncoding(ivar);
int offset = ivar_getOffset(ivar);
switch (encodeType[0]) {
case 'C':
case 'c': {
auto v = (char *)obj + offset;
*v = *(CHNumber *)value;
}
case 'i':
case 'I': {
auto v = (int *)((char *)obj + offset);
*v = *(CHNumber *)value;
}
case 'l':
case 'L': {
auto v = (long *)((char *)obj + offset);
*v = *(CHNumber *)value;
}
case 'q':
case 'Q': {
auto *v = (long long *)((char *)obj + offset);
*v = *(CHNumber *)value;
}
case 'f': {
auto v = (float *)((char *)obj + offset);
*v = *(CHNumber *)value;
}
case 'd': {
auto v = (double *)((char *)obj + offset);
*v = *(CHNumber *)value;
}
case 'B': {
auto v = (bool *)((char *)obj + offset);
*v = *(CHNumber *)value;
}
case '^': {
switch (encodeType[1]) {
case '#': {
id *idx = (id *)((char *)obj + offset);
*idx = value;
}
case 'C':
case 'c': {
auto v = (char **)obj + offset;
*v = (char *)value;
}
case 'i':
case 'I': {
auto v = (int **)((char *)obj + offset);
*v = (int *)value;
}
case 'l':
case 'L': {
auto v = (long **)((char *)obj + offset);
*v = (long *)value;
}
case 'q':
case 'Q': {
auto *v = (long long **)((char *)obj + offset);
*v = (long long *)value;
}
case 'f': {
auto v = (float **)((char *)obj + offset);
*v = (float *)value;
}
case 'd': {
auto v = (double **)((char *)obj + offset);
*v = (double *)value;
}
case 'B': {
auto v = (bool **)((char *)obj + offset);
*v = (bool *)value;
}
case 'v': {
auto v = (void **)((char *)obj + offset);
*v = (void *)value;
}
default:
break;
}
}
case ':': {
// do nothing...
}
default:
break;
}
}
}
id object_getIvar(id obj, Ivar ivar)
{
if (obj && ivar && !obj->isTaggedPointer()) {
int offset = ivar_getOffset(ivar);
const char *encodeType = ivar_getTypeEncoding(ivar);
switch (encodeType[0]) {
case 'C':
case 'c': {
auto v = (char *)obj + offset;
return number(*v);
}
case 'i':
case 'I': {
auto v = (int *)((char *)obj + offset);
return number(*v);
}
case 'l':
case 'L': {
auto v = (long *)((char *)obj + offset);
return number(*v);
}
case 'q':
case 'Q': {
auto *v = (long long *)((char *)obj + offset);
return number(*v);
}
case 'f': {
auto v = (float *)((char *)obj + offset);
return number(*v);
}
case 'd': {
auto v = (double *)((char *)obj + offset);
return number(*v);
}
case 'B': {
auto v = (bool *)((char *)obj + offset);
return number(*v);
}
case '^': {
switch (encodeType[1]) {
case '#': {
id *idx = (id *)((char *)obj + offset);
return *idx;
}
case 'C':
case 'c': {
auto v = (char **)obj + offset;
return (id)*v;
}
case 'i':
case 'I': {
auto v = (int **)((char *)obj + offset);
return number(*v);
}
case 'l':
case 'L': {
auto v = (long **)((char *)obj + offset);
return (id)*v;
}
case 'q':
case 'Q': {
auto *v = (long long **)((char *)obj + offset);
return (id)*v;
}
case 'f': {
auto v = (float **)((char *)obj + offset);
return (id)*v;
}
case 'd': {
auto v = (double **)((char *)obj + offset);
return (id)*v;
}
case 'B': {
auto v = (bool **)((char *)obj + offset);
return (id)*v;
}
case 'v': {
auto v = (void **)((char *)obj + offset);
return (id)*v;
}
default:
break;
}
}
case ':': {
auto v = (SEL *)((char *)obj + offset);
CHString *str = CHString::stringWithUTF8String(*v);
return (id)str;
}
default:
break;
}
}
return nullptr;
}
