Add XMPPRoster class.

src/XMPPRoster.m

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2011, Jonathan Schleifer <js@webkeks.org>
+ *
+ * https://webkeks.org/hg/objxmpp/
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "XMPPRoster.h"
+#import "XMPPRosterItem.h"
+
+@implementation XMPPRoster
+- initWithConnection: (XMPPConnection*)conn
+{
+	self = [super init];
+
+	@try {
+		connection = [conn retain];
+		groups = [[OFMutableDictionary alloc] init];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
+
+	return self;
+}
+
+- (void)dealloc
+{
+	[connection release];
+
+	[super dealloc];
+}
+
+- (void)XMPP_addRosterItem: (XMPPRosterItem*)rosterItem
+{
+	if (rosterItem.groups.count > 0) {
+		for (OFString *group in rosterItem.groups) {
+			OFMutableArray *rosterGroup =
+			    [groups objectForKey: group];
+
+			if (rosterGroup == nil) {
+				rosterGroup = [OFMutableArray array];
+				[groups setObject: rosterGroup
+					   forKey: group];
+			}
+
+			[rosterGroup addObject: rosterItem];
+		}
+	} else {
+		OFMutableArray *rosterGroup = [groups objectForKey: @""];
+
+		if (rosterGroup == nil) {
+			rosterGroup = [OFMutableArray array];
+			[groups setObject: rosterGroup
+				   forKey: @""];
+		}
+
+		[rosterGroup addObject: rosterItem];
+	}
+}
+
+- (OFArray*)groups
+{
+	OFMutableArray *ret = [OFMutableArray array];
+
+	for (OFString *group in groups)
+		[ret addObject: group];
+
+	ret->isa = [OFArray class];
+	return ret;
+}
+
+- (OFArray*)rosterItemsInGroup: (OFString*)group
+{
+	if (group == nil)
+		group = @"";
+
+	return [[[groups objectForKey: group] copy] autorelease];
+}
+@end