Convert several files to pure Objective-C

FossilOrigin-Name: eac9e3d9480c641e752bce15f24de48bbb77705cd44ef2bb9a04603ca04c67e1

src/ServerInfo.m

@@ -0,0 +1,42 @@
+#import "ServerInfo.h"
+
+#include "cube.h"
+
+@implementation ServerInfo
++ (instancetype)infoWithName:(OFString *)name;
+{
+	return [[self alloc] initWithName:name];
+}
+
+- (instancetype)initWithName:(OFString *)name
+{
+	self = [super init];
+
+	_name = [name copy];
+	_full = @"";
+	_mode = 0;
+	_numplayers = 0;
+	_ping = 9999;
+	_protocol = 0;
+	_minremain = 0;
+	_map = @"";
+	_sdesc = @"";
+	_address.host = ENET_HOST_ANY;
+	_address.port = CUBE_SERVINFO_PORT;
+
+	return self;
+}
+
+- (OFComparisonResult)compare:(id)otherObject
+{
+	if (![otherObject isKindOfClass:ServerInfo.class])
+		@throw [OFInvalidArgumentException exception];
+
+	if (_ping > [otherObject ping])
+		return OFOrderedDescending;
+	if (_ping < [otherObject ping])
+		return OFOrderedAscending;
+
+	return [_name compare:[otherObject name]];
+}
+@end