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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#import "XMPPPresence.h"
#import "namespaces.h"
// This provides us with sortable values for show values
static int show_to_int(OFString *show)
{
if ([show isEqual: @"chat"]) return 0;
if (show == nil) return 1; // available
if ([show isEqual: @"away"]) return 2;
if ([show isEqual: @"dnd"]) return 3;
if ([show isEqual: @"xa"]) return 4;
assert(0);
}
@implementation XMPPPresence
+ presence
{
return [[[self alloc] init] autorelease];
}
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OF_SETTER(priority, priority_, YES, 1);
}
- (OFString*)priority
{
return [[priority copy] autorelease];
}
- (of_comparison_result_t)compare: (id <OFComparing>)object
{
XMPPPresence *otherPresence;
OFString *otherShow;
of_comparison_result_t priorityOrder;
if (object == self)
return OF_ORDERED_SAME;
if (![object isKindOfClass: [XMPPPresence class]])
@throw [OFInvalidArgumentException
exceptionWithClass: [self class]
selector: _cmd];
otherPresence = (XMPPPresence*)object;
priorityOrder = [priority compare: [otherPresence priority]];
if (priorityOrder != OF_ORDERED_SAME)
return priorityOrder;
otherShow = [otherPresence show];
if ([show isEqual: otherShow])
return OF_ORDERED_SAME;
if (show_to_int(show) < show_to_int(otherShow))
return OF_ORDERED_ASCENDING;
return OF_ORDERED_DESCENDING;
}
@end
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