__private_extern__ void _CFArraySortValues(CFMutableArrayRef array, CFComparatorFunction comparator, void *context) {
CFRange range = {0, CFArrayGetCount(array)};
if (range.length < 2) {
return;
}
// implemented abstractly, careful!
const void **values, *buffer[256];
values = (range.length <= 256) ? (const void **)buffer : (const void **)CFAllocatorAllocate(kCFAllocatorSystemDefault, range.length * sizeof(void *), 0); // GC OK
CFArrayGetValues(array, range, values);
struct _acompareContext ctx;
ctx.func = comparator;
ctx.context = context;
CFQSortArray(values, range.length, sizeof(void *), (CFComparatorFunction)__CFArrayCompareValues, &ctx);
CFArrayReplaceValues(array, range, values, range.length);
if (values != buffer) CFAllocatorDeallocate(kCFAllocatorSystemDefault, values);
}
/* extern */ Boolean
_SchedulesRemoveRunLoopAndMode(CFMutableArrayRef schedules, CFRunLoopRef runLoop, CFStringRef runLoopMode) {
/* Get the number of items in schedules and create a range for searching */
CFIndex count = CFArrayGetCount(schedules);
CFRange range = CFRangeMake(0, count);
/* Go through the list looking for this schedule */
while (range.length) {
/* Find the run loop in the list */
CFIndex i = CFArrayGetFirstIndexOfValue(schedules, range, runLoop);
/* If the loop wasn't found, then this pair was never added. */
if (i == kCFNotFound)
break;
/* If the mode is the same, this is already scheduled here so bail */
if (CFEqual(CFArrayGetValueAtIndex(schedules, i + 1), runLoopMode)) {
/* Remove the schedule from the list */
range.location = i;
range.length = 2;
CFArrayReplaceValues(schedules, range, NULL, 0);
/* Did remove the schedule from the list */
return TRUE;
}
/* Continue looking from here */
range.location = i + 2;
range.length = count - range.location;
}
/* Did not remove the schedule from the list */
return FALSE;
}
/**************************************************************************
* open_joystick
*/
static BOOL open_joystick(joystick_t* joystick)
{
CFIndex index;
CFRange range;
if (joystick->element)
return TRUE;
if (!device_main_elements)
{
find_osx_devices();
if (!device_main_elements)
return FALSE;
}
index = joystick - joysticks;
if (index >= CFArrayGetCount(device_main_elements))
return FALSE;
joystick->element = (IOHIDElementRef)CFArrayGetValueAtIndex(device_main_elements, index);
joystick->buttons = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
collect_joystick_elements(joystick, joystick->element);
/* Sort buttons into correct order */
range.location = 0;
range.length = CFArrayGetCount(joystick->buttons);
CFArraySortValues(joystick->buttons, range, button_usage_comparator, NULL);
if (range.length > 32)
{
/* Delete any buttons beyond the first 32 */
range.location = 32;
range.length -= 32;
CFArrayReplaceValues(joystick->buttons, range, NULL, 0);
}
return TRUE;
}
void CFArraySortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
FAULT_CALLBACK((void **)&(comparator));
__CFArrayValidateRange(array, range, __PRETTY_FUNCTION__);
CFAssert1(NULL != comparator, __kCFLogAssertion, "%s(): pointer to comparator function may not be NULL", __PRETTY_FUNCTION__);
Boolean immutable = false;
if (CF_IS_OBJC(__kCFArrayTypeID, array)) {
BOOL result;
CF_OBJC_CALL1(BOOL, result, array, "isKindOfClass:", objc_lookUpClass("NSMutableArray"));
immutable = !result;
} else if (__kCFArrayImmutable == __CFArrayGetType(array)) {
immutable = true;
}
const CFArrayCallBacks *cb = NULL;
if (CF_IS_OBJC(__kCFArrayTypeID, array)) {
cb = &kCFTypeArrayCallBacks;
} else {
cb = __CFArrayGetCallBacks(array);
}
if (!immutable && ((cb->retain && !cb->release) || (!cb->retain && cb->release))) {
__CFZSort(array, range, comparator, context);
return;
}
if (range.length < 2) {
return;
}
// implemented abstractly, careful!
const void **values, *buffer[256];
values = (range.length <= 256) ? (const void **)buffer : (const void **)CFAllocatorAllocate(kCFAllocatorSystemDefault, range.length * sizeof(void *), 0); // GC OK
CFArrayGetValues(array, range, values);
struct _acompareContext ctx;
ctx.func = comparator;
ctx.context = context;
CFQSortArray(values, range.length, sizeof(void *), (CFComparatorFunction)__CFArrayCompareValues, &ctx);
if (!immutable) CFArrayReplaceValues(array, range, values, range.length);
if (values != buffer) CFAllocatorDeallocate(kCFAllocatorSystemDefault, values);
}