ObjIRC  Check-in [7f37e545cf]

@interface IRCChannel: OFObject
{
	OFString *name;
	OFMutableSet *users;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly) OFString *name;
@property (copy) OFSet *users;
@property (readonly, copy) OFSet *users;
#endif

+ channelWithName: (OFString*)name;
- initWithName: (OFString*)name;
- (OFString*)name;
- (OFSet*)users;
- (void)IRC_addUser: (OFString*)user;
- (void)IRC_removeUser: (OFString*)user;
@end

 * 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 <ObjFW/OFString.h>

#import <ObjFW/macros.h>

#import "IRCChannel.h"

@implementation IRCChannel
@synthesize name, users;

+ channelWithName: (OFString*)name
{
	return [[[self alloc] initWithName: name] autorelease];
}

- initWithName: (OFString*)name_
{

- (void)dealloc
{
	[name release];
	[users release];

	[super dealloc];
}

- (OFString*)name
{
	OF_GETTER(name, YES)
}

- (OFSet*)users
{
	return [[users copy] autorelease];
}

- (OFString*)description
{
	return name;
	return [[name copy] autorelease];
}

- (void)IRC_addUser: (OFString*)user
{
	[users addObject: user];
}

- (void)IRC_removeUser: (OFString*)user
{
	[users removeObject: user];
}
@end

@class OFString;
@class OFMutableDictionary;
@class OFTCPSocket;
@class IRCConnection;
@class IRCUser;
@class IRCChannel;

#ifndef IRC_CONNECTION_M
@protocol IRCConnectionDelegate <OFObject>
#else
@protocol IRCConnectionDelegate
#endif
#ifdef OF_HAVE_OPTIONAL_PROTOCOLS
@optional
#endif
- (void)connection: (IRCConnection*)connection
    didReceiveLine: (OFString*)line;
- (void)connection: (IRCConnection*)connection
       didSendLine: (OFString*)line;
- (void)connectionWasEstablished: (IRCConnection*)connection;
- (void)connection: (IRCConnection*)connection
	didSeeUser: (IRCUser*)user

@interface IRCConnection: OFObject
{
	OFTCPSocket *sock;
	OFString *server;
	uint16_t port;
	OFString *nickname, *username, *realname;
	OFMutableDictionary *channels;
	id <IRCConnectionDelegate, OFObject> delegate;
	id <IRCConnectionDelegate> delegate;
}

#ifdef OF_HAVE_PROPERTIES
@property (copy) OFString *server;
@property (assign) uint16_t port;
@property (copy) OFString *nickname, *username, *realname;
@property (assign) id <IRCConnectionDelegate, OFObject> delegate;
@property (retain, getter=socket) OFTCPSocket *sock;
@property (assign) id <IRCConnectionDelegate> delegate;
@property (readonly, retain, getter=socket) OFTCPSocket *sock;
#endif

- (void)setServer: (OFString*)server;
- (OFString*)server;
- (void)setPort: (uint16_t)port;
- (uint16_t)port;
- (void)setNickname: (OFString*)nickname;
- (OFString*)nickname;
- (void)setUsername: (OFString*)username;
- (OFString*)username;
- (void)setRealname: (OFString*)realname;
- (OFString*)realname;
- (void)setDelegate: (id <IRCConnectionDelegate>)delegate;
- (id <IRCConnectionDelegate>)delegate;
- (OFTCPSocket*)socket;
- (void)sendLine: (OFString*)line;
- (void)sendLineWithFormat: (OFConstantString*)line, ...;
- (void)connect;
- (void)disconnect;
- (void)disconnectWithReason: (OFString*)reason;
- (void)joinChannel: (OFString*)channelName;
- (void)leaveChannel: (IRCChannel*)channel;

- (void)kickUser: (OFString*)user
     fromChannel: (IRCChannel*)channel
      withReason: (OFString*)reason;
- (void)changeNicknameTo: (OFString*)nickname;
- (void)processLine: (OFString*)line;
- (void)handleConnection;
@end

@interface OFObject (IRCConnectionDelegate) <IRCConnectionDelegate>
@end

 * 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.
 */

#define IRC_CONNECTION_M

#include <stdarg.h>

#import <ObjFW/OFString.h>
#import <ObjFW/OFArray.h>
#import <ObjFW/OFMutableDictionary.h>
#import <ObjFW/OFTCPSocket.h>
#import <ObjFW/OFAutoreleasePool.h>

#import <ObjFW/OFInvalidEncodingException.h>

#import <ObjFW/macros.h>

#import "IRCConnection.h"
#import "IRCUser.h"
#import "IRCChannel.h"

@implementation IRCConnection
@synthesize server, port, nickname, username, realname, delegate, sock;

- init
{
	self = [super init];

	@try {
		channels = [[OFMutableDictionary alloc] init];
		port = 6667;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)setServer: (OFString*)server_
{
	OF_SETTER(server, server_, YES, YES)
}

- (OFString*)server
{
	OF_GETTER(server, YES)
}

- (void)setPort: (uint16_t)port_
{
	port = port_;
}

- (uint16_t)port
{
	return port;
}

- (void)setNickname: (OFString*)nickname_
{
	OF_SETTER(nickname, nickname_, YES, YES)
}

- (OFString*)nickname
{
	OF_GETTER(nickname, YES)
}

- (void)setUsername: (OFString*)username_
{
	OF_SETTER(username, username_, YES, YES)
}

- (OFString*)username
{
	OF_GETTER(username, YES)
}

- (void)setRealname: (OFString*)realname_
{
	OF_SETTER(realname, realname_, YES, YES)
}

- (OFString*)realname
{
	OF_GETTER(realname, YES)
}

- (void)setDelegate: (id <IRCConnectionDelegate>)delegate_
{
	delegate = delegate_;
}

- (id <IRCConnectionDelegate>)delegate
{
	return delegate;
}

- (OFTCPSocket*)socket
{
	OF_GETTER(sock, YES)
}

- (void)connect
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

	sock = [[OFTCPSocket alloc] init];
	[sock connectToHost: server

		withReason: nil];
}

- (void)leaveChannel: (IRCChannel*)channel
          withReason: (OFString*)reason
{
	if (reason == nil)
		[self sendLineWithFormat: @"PART %@", channel.name];
		[self sendLineWithFormat: @"PART %@", [channel name]];
	else
		[self sendLineWithFormat: @"PART %@ :%@", channel.name, reason];
		[self sendLineWithFormat: @"PART %@ :%@",
					  [channel name], reason];

	[channels removeObjectForKey: channel.name];
	[channels removeObjectForKey: [channel name]];
}

- (void)sendLine: (OFString*)line
{
	if ([delegate respondsToSelector: @selector(connection:didSendLine:)])
		[delegate connection: self
			 didSendLine: line];
	[delegate connection: self
		 didSendLine: line];

	[sock writeLine: line];
}

- (void)sendLineWithFormat: (OFConstantString*)format, ...
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

	[pool release];
}

- (void)sendMessage: (OFString*)msg
	  toChannel: (IRCChannel*)channel
{
	[self sendLineWithFormat: @"PRIVMSG %@ :%@", channel.name, msg];
	[self sendLineWithFormat: @"PRIVMSG %@ :%@", [channel name], msg];
}

- (void)sendMessage: (OFString*)msg
	     toUser: (OFString*)user
{
	[self sendLineWithFormat: @"PRIVMSG %@ :%@", user, msg];
}

- (void)sendNotice: (OFString*)notice
	    toUser: (OFString*)user
{
	[self sendLineWithFormat: @"NOTICE %@ :%@", user, notice];
}

- (void)sendNotice: (OFString*)notice
	 toChannel: (IRCChannel*)channel
{
	[self sendLineWithFormat: @"NOTICE %@ :%@", channel.name, notice];
	[self sendLineWithFormat: @"NOTICE %@ :%@", [channel name], notice];
}

- (void)kickUser: (OFString*)user
     fromChannel: (IRCChannel*)channel
      withReason: (OFString*)reason
{
	[self sendLineWithFormat: @"KICK %@ %@ :%@",
				  channel.name, user, reason];
				  [channel name], user, reason];
}

- (void)changeNicknameTo: (OFString*)nickname_
{
	[self sendLineWithFormat: @"NICK %@", nickname_];
}

- (void)processLine: (OFString*)line
- (void)IRC_processLine: (OFString*)line
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFArray *split;
	OFArray *components;
	OFString *action = nil;

	if ([delegate respondsToSelector:
	    @selector(connection:didReceiveLine:)])
		[delegate connection: self
		      didReceiveLine: line];
	[delegate connection: self
	      didReceiveLine: line];

	split = [line componentsSeparatedByString: @" "];
	components = [line componentsSeparatedByString: @" "];

	/* PING */
	if ([components count] == 2 &&
	if (split.count == 2 && [split.firstObject isEqual: @"PING"]) {
	    [[components firstObject] isEqual: @"PING"]) {
		OFMutableString *s = [[line mutableCopy] autorelease];
		[s replaceOccurrencesOfString: @"PING"
				   withString: @"PONG"];
		[self sendLine: s];

		return;
	}

	action = [[split objectAtIndex: 1] uppercaseString];
	action = [[components objectAtIndex: 1] uppercaseString];

	/* Connected */
	if ([action isEqual: @"001"] && split.count >= 4) {
	if ([action isEqual: @"001"] && [components count] >= 4) {
		if ([delegate respondsToSelector:
		    @selector(connectionWasEstablished:)])
			[delegate connectionWasEstablished: self];
		[delegate connectionWasEstablished: self];

		[pool release];
		return;
	}

	/* JOIN */
	if ([action isEqual: @"JOIN"] && split.count == 3) {
		OFString *who = [split objectAtIndex: 0];
		OFString *where = [split objectAtIndex: 2];
	if ([action isEqual: @"JOIN"] && [components count] == 3) {
		OFString *who = [components objectAtIndex: 0];
		OFString *where = [components objectAtIndex: 2];
		IRCUser *user;
		IRCChannel *channel;

		who = [who substringWithRange: of_range(1, who.length - 1)];
		who = [who substringWithRange: of_range(1, [who length] - 1)];
		user = [IRCUser IRCUserWithString: who];

		if ([who hasPrefix: [nickname stringByAppendingString: @"!"]]) {
			channel = [IRCChannel channelWithName: where];
			[channels setObject: channel
				     forKey: where];
		} else
			channel = [channels objectForKey: where];

		[channel IRC_addUser: user.nickname];
		[channel IRC_addUser: [user nickname]];

		if ([delegate respondsToSelector:
		    @selector(connection:didSeeUser:joinChannel:)])
			[delegate connection: self
				  didSeeUser: user
				 joinChannel: channel];
		[delegate connection: self
			  didSeeUser: user
			 joinChannel: channel];

		[pool release];
		return;
	}

	/* NAMES reply */
	if ([action isEqual: @"353"] && split.count >= 6) {
	if ([action isEqual: @"353"] && [components count] >= 6) {
		IRCChannel *channel;
		OFArray *users;
		size_t pos;
		OFEnumerator *enumerator;
		OFString *user;

		channel = [channels objectForKey: [split objectAtIndex: 4]];
		channel = [channels
		    objectForKey: [components objectAtIndex: 4]];
		if (channel == nil) {
			/* We did not request that */
			[pool release];
			return;
		}

		pos = [[split objectAtIndex: 0] length] +
		    [[split objectAtIndex: 1] length] +
		    [[split objectAtIndex: 2] length] +
		    [[split objectAtIndex: 3] length] +
		    [[split objectAtIndex: 4] length] + 6;
		pos = [[components objectAtIndex: 0] length] +
		    [[components objectAtIndex: 1] length] +
		    [[components objectAtIndex: 2] length] +
		    [[components objectAtIndex: 3] length] +
		    [[components objectAtIndex: 4] length] + 6;

		users = [[line substringWithRange:
		    of_range(pos, line.length - pos)]
		    of_range(pos, [line length] - pos)]
		    componentsSeparatedByString: @" "];

		for (OFString *user in users) {
		enumerator = [users objectEnumerator];
		while ((user = [enumerator nextObject]) != nil) {
			if ([user hasPrefix: @"@"] || [user hasPrefix: @"+"] ||
			    [user hasPrefix: @"%"] || [user hasPrefix: @"*"])
				user = [user substringWithRange:
				    of_range(1, user.length - 1)];
				    of_range(1, [user length] - 1)];

			[channel IRC_addUser: user];
		}

		if ([delegate respondsToSelector: @selector(connection:
		    didReceiveNamesForChannel:)])
			[delegate	   connection: self
			    didReceiveNamesForChannel: channel];
		[delegate	   connection: self
		    didReceiveNamesForChannel: channel];

		[pool release];
		return;
	}

	/* PART */
	if ([action isEqual: @"PART"] && split.count >= 3) {
		OFString *who = [split objectAtIndex: 0];
		OFString *where = [split objectAtIndex: 2];
	if ([action isEqual: @"PART"] && [components count] >= 3) {
		OFString *who = [components objectAtIndex: 0];
		OFString *where = [components objectAtIndex: 2];
		IRCUser *user;
		IRCChannel *channel;
		OFString *reason = nil;
		size_t pos = who.length + 1 +
		    [[split objectAtIndex: 1] length] + 1 + where.length;
		size_t pos = [who length] + 1 +
		    [[components objectAtIndex: 1] length] + 1 + [where length];

		who = [who substringWithRange: of_range(1, who.length - 1)];
		who = [who substringWithRange: of_range(1, [who length] - 1)];
		user = [IRCUser IRCUserWithString: who];
		channel = [channels objectForKey: where];

		if (split.count > 3)
		if ([components count] > 3)
			reason = [line substringWithRange:
			    of_range(pos + 2, line.length - pos - 2)];
			    of_range(pos + 2, [line length] - pos - 2)];

		[channel IRC_removeUser: user.nickname];
		[channel IRC_removeUser: [user nickname]];

		if ([delegate respondsToSelector:
		    @selector(connection:didSeeUser:leaveChannel:
		    withReason:)])
			[delegate connection: self
				  didSeeUser: user
				leaveChannel: channel
				  withReason: reason];
		[delegate connection: self
			  didSeeUser: user
			leaveChannel: channel
			  withReason: reason];

		[pool release];
		return;
	}

	/* KICK */
	if ([action isEqual: @"KICK"] && split.count >= 4) {
		OFString *who = [split objectAtIndex: 0];
		OFString *where = [split objectAtIndex: 2];
		OFString *whom = [split objectAtIndex: 3];
	if ([action isEqual: @"KICK"] && [components count] >= 4) {
		OFString *who = [components objectAtIndex: 0];
		OFString *where = [components objectAtIndex: 2];
		OFString *whom = [components objectAtIndex: 3];
		IRCUser *user;
		IRCChannel *channel;
		OFString *reason = nil;
		size_t pos = who.length + 1 +
		    [[split objectAtIndex: 1] length] + 1 + where.length + 1 +
		    whom.length;
		size_t pos = [who length] + 1 +
		    [[components objectAtIndex: 1] length] + 1 +
		    [where length] + 1 + [whom length];

		who = [who substringWithRange: of_range(1, who.length - 1)];
		who = [who substringWithRange: of_range(1, [who length] - 1)];
		user = [IRCUser IRCUserWithString: who];
		channel = [channels objectForKey: where];

		if (split.count > 4)
		if ([components count] > 4)
			reason = [line substringWithRange:
			    of_range(pos + 2, line.length - pos - 2)];
			    of_range(pos + 2, [line length] - pos - 2)];

		[channel IRC_removeUser: user.nickname];
		[channel IRC_removeUser: [user nickname]];

		if ([delegate respondsToSelector:
		    @selector(connection:didSeeUser:kickUser:
		    fromChannel:withReason:)])
			[delegate connection: self
				  didSeeUser: user
				    kickUser: whom
				 fromChannel: channel
				  withReason: reason];
		[delegate connection: self
			  didSeeUser: user
			    kickUser: whom
			 fromChannel: channel
			  withReason: reason];

		[pool release];
		return;
	}

	/* QUIT */
	if ([action isEqual: @"QUIT"] && split.count >= 2) {
		OFString *who = [split objectAtIndex: 0];
	if ([action isEqual: @"QUIT"] && [components count] >= 2) {
		OFString *who = [components objectAtIndex: 0];
		IRCUser *user;
		OFString *reason = nil;
		size_t pos = [who length] + 1 +
		size_t pos = who.length + 1 + [[split objectAtIndex: 1] length];
		    [[components objectAtIndex: 1] length];
		OFEnumerator *enumerator;
		IRCChannel *channel;

		who = [who substringWithRange: of_range(1, who.length - 1)];
		who = [who substringWithRange: of_range(1, [who length] - 1)];
		user = [IRCUser IRCUserWithString: who];

		if (split.count > 2)
		if ([components count] > 2)
			reason = [line substringWithRange:
			    of_range(pos + 2, line.length - pos - 2)];
			    of_range(pos + 2, [line length] - pos - 2)];

		for (IRCChannel *channel in channels)
			[channel IRC_removeUser: user.nickname];
		enumerator = [channels keyEnumerator];
		while ((channel = [enumerator nextObject]) != nil)
			[channel IRC_removeUser: [user nickname]];

		if ([delegate respondsToSelector:
		    @selector(connection:didSeeUserQuit:withReason:)])
			[delegate connection: self
			      didSeeUserQuit: user
				  withReason: reason];
		[delegate connection: self
		      didSeeUserQuit: user
			  withReason: reason];

		[pool release];
		return;
	}

	/* NICK */
	if ([action isEqual: @"NICK"] && split.count == 3) {
		OFString *who = [split objectAtIndex: 0];
		OFString *newNickname = [split objectAtIndex: 2];
	if ([action isEqual: @"NICK"] && [components count] == 3) {
		OFString *who = [components objectAtIndex: 0];
		OFString *newNickname = [components objectAtIndex: 2];
		IRCUser *user;
		OFEnumerator *enumerator;
		IRCChannel *channel;

		who = [who substringWithRange: of_range(1, who.length - 1)];
		who = [who substringWithRange: of_range(1, [who length] - 1)];
		newNickname = [newNickname substringWithRange:
		    of_range(1, newNickname.length - 1)];
		    of_range(1, [newNickname length] - 1)];

		user = [IRCUser IRCUserWithString: who];

		if ([user.nickname isEqual: nickname]) {
		if ([[user nickname] isEqual: nickname]) {
			[nickname release];
			nickname = [user.nickname copy];
			nickname = [[user nickname] copy];
		}

		for (IRCChannel *channel in channels) {
			if ([channel.users containsObject: user.nickname]) {
				[channel IRC_removeUser: user.nickname];
		enumerator = [channels keyEnumerator];
		while ((channel = [enumerator nextObject]) != nil) {
			if ([[channel users] containsObject: [user nickname]]) {
				[channel IRC_removeUser: [user nickname]];
				[channel IRC_addUser: newNickname];
			}
		}

		if ([delegate respondsToSelector:
		    @selector(connection:didSeeUser:changeNicknameTo:)])
			[delegate connection: self
				  didSeeUser: user
			    changeNicknameTo: newNickname];
		[delegate connection: self
			  didSeeUser: user
		    changeNicknameTo: newNickname];

		[pool release];
		return;
	}

	/* PRIVMSG */
	if ([action isEqual: @"PRIVMSG"] && split.count >= 4) {
		OFString *from = [split objectAtIndex: 0];
		OFString *to = [split objectAtIndex: 2];
	if ([action isEqual: @"PRIVMSG"] && [components count] >= 4) {
		OFString *from = [components objectAtIndex: 0];
		OFString *to = [components objectAtIndex: 2];
		IRCUser *user;
		OFString *msg;
		size_t pos = from.length + 1 +
		    [[split objectAtIndex: 1] length] + 1 + to.length;
		size_t pos = [from length] + 1 +
		    [[components objectAtIndex: 1] length] + 1 + [to length];

		from = [from substringWithRange: of_range(1, from.length - 1)];
		from = [from substringWithRange:
		    of_range(1, [from length] - 1)];
		msg = [line substringWithRange:
		    of_range(pos + 2, line.length - pos - 2)];
		    of_range(pos + 2, [line length] - pos - 2)];
		user = [IRCUser IRCUserWithString: from];

		if (![to isEqual: nickname]) {
			IRCChannel *channel;

			channel = [channels objectForKey: to];

			if ([delegate respondsToSelector:
			    @selector(connection:didReceiveMessage:
			    fromUser:inChannel:)])
				[delegate connection: self
				   didReceiveMessage: msg
					    fromUser: user
					   inChannel: channel];
		} else {
			[delegate connection: self
			   didReceiveMessage: msg
				    fromUser: user
				   inChannel: channel];
		} else
			if ([delegate respondsToSelector:
			     @selector(connection:
			     didReceivePrivateMessage:fromUser:)])
				[delegate
						  connection: self
				    didReceivePrivateMessage: msg
						    fromUser: user];
		}
			[delegate	  connection: self
			    didReceivePrivateMessage: msg
					    fromUser: user];


		[pool release];
		return;
	}

	/* NOTICE */
	if ([action isEqual: @"NOTICE"] && split.count >= 4) {
		OFString *from = [split objectAtIndex: 0];
		OFString *to = [split objectAtIndex: 2];
	if ([action isEqual: @"NOTICE"] && [components count] >= 4) {
		OFString *from = [components objectAtIndex: 0];
		OFString *to = [components objectAtIndex: 2];
		IRCUser *user = nil;
		OFString *notice;
		size_t pos = from.length + 1 +
		    [[split objectAtIndex: 1] length] + 1 + to.length;
		size_t pos = [from length] + 1 +
		    [[components objectAtIndex: 1] length] + 1 + [to length];

		from = [from substringWithRange: of_range(1, from.length - 1)];
		from = [from substringWithRange:
		    of_range(1, [from length] - 1)];
		notice = [line substringWithRange:
		    of_range(pos + 2, line.length - pos - 2)];
		    of_range(pos + 2, [line length] - pos - 2)];

		if (![from containsString: @"!"] || [to isEqual: @"*"]) {
			/* System message - ignore for now */
			[pool release];
			return;
		}

		user = [IRCUser IRCUserWithString: from];

		if (![to isEqual: nickname]) {
			IRCChannel *channel;

			channel = [channels objectForKey: to];

			if ([delegate respondsToSelector:
			    @selector(connection:didReceiveNotice:
			    fromUser:inChannel:)])
				[delegate connection: self
				    didReceiveNotice: notice
					    fromUser: user
					   inChannel: channel];
		} else {
			[delegate connection: self
			    didReceiveNotice: notice
				    fromUser: user
				   inChannel: channel];
		} else
			if ([delegate respondsToSelector:
			    @selector(connection:didReceiveNotice:
			    fromUser:)])
				[delegate connection: self
				    didReceiveNotice: notice
					    fromUser: user];
		}

		[pool release];
		return;
	}
			[delegate connection: self
			    didReceiveNotice: notice
				    fromUser: user];

		return;
	}
}

- (void)processLine: (OFString*)line
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];

	[self IRC_processLine: line];

	[pool release];
}

-	  (BOOL)connection: (OFTCPSocket*)connection
    didReceiveISO88591Line: (OFString*)line
		   context: (id)context
		 exception: (OFException*)exception
{
	if (line != nil) {
		[self processLine: line];
		[self IRC_processLine: line];
		[sock asyncReadLineWithTarget: self
				     selector: @selector(connection:
						   didReceiveLine:context:
						   exception:)
				      context: nil];
	}

	return NO;
}

- (BOOL)connection: (OFTCPSocket*)connection
    didReceiveLine: (OFString*)line
	   context: (id)context
	 exception: (OFException*)exception
{
	if (line != nil) {
		[self processLine: line];
		[self IRC_processLine: line];
		return YES;
	}

	if ([exception isKindOfClass: [OFInvalidEncodingException class]])
		[sock asyncReadLineWithEncoding: OF_STRING_ENCODING_ISO_8859_1
					 target: self
				       selector: @selector(connection:

	[server release];
	[nickname release];
	[username release];
	[realname release];
	[channels release];

	[super dealloc];
}
@end

@implementation OFObject (IRCConnectionDelegate)
- (void)connection: (IRCConnection*)connection
    didReceiveLine: (OFString*)line
{
}

- (void)connection: (IRCConnection*)connection
       didSendLine: (OFString*)line
{
}

- (void)connectionWasEstablished: (IRCConnection*)connection
{
}

- (void)connection: (IRCConnection*)connection
	didSeeUser: (IRCUser*)user
       joinChannel: (IRCChannel*)channel
{
}

- (void)connection: (IRCConnection*)connection
	didSeeUser: (IRCUser*)user
      leaveChannel: (IRCChannel*)channel
	withReason: (OFString*)reason
{
}

- (void)connection: (IRCConnection*)connection
        didSeeUser: (IRCUser*)user
  changeNicknameTo: (OFString*)nickname
{
}

- (void)connection: (IRCConnection*)connection
	didSeeUser: (IRCUser*)user
	  kickUser: (OFString*)kickedUser
       fromChannel: (IRCChannel*)channel
	withReason: (OFString*)reason
{
}

- (void)connection: (IRCConnection*)connection
    didSeeUserQuit: (IRCUser*)user
	withReason: (OFString*)reason
{
}

-  (void)connection: (IRCConnection*)connection
  didReceiveMessage: (OFString*)msg
	   fromUser: (IRCUser*)user
	  inChannel: (IRCChannel*)channel
{
}

-	  (void)connection: (IRCConnection*)connection
  didReceivePrivateMessage: (OFString*)msg
		  fromUser: (IRCUser*)user
{
}

- (void)connection: (IRCConnection*)connection
  didReceiveNotice: (OFString*)notice
	  fromUser: (IRCUser*)user
{
}

- (void)connection: (IRCConnection*)connection
  didReceiveNotice: (OFString*)notice
	  fromUser: (IRCUser*)user
	 inChannel: (IRCChannel*)channel
{
}

-	   (void)connection: (IRCConnection*)connection
  didReceiveNamesForChannel: (IRCChannel*)channel
{
}

- (void)connectionWasClosed: (IRCConnection*)connection
{
}
@end

@interface IRCUser: OFObject <OFCopying>
{
	OFString *nickname;
	OFString *username;
	OFString *hostname;
}

#ifdef OF_HAVE_PROPERTIES
@property (copy, readonly) OFString *nickname, *username, *hostname;
#endif

+ IRCUserWithString: (OFString*)string;
- initWithString: (OFString*)string;
- (OFString*)nickname;
- (OFString*)username;
- (OFString*)hostname;
@end

#include <string.h>

#import <ObjFW/OFString.h>

#import <ObjFW/OFInvalidFormatException.h>
#import <ObjFW/OFOutOfMemoryException.h>

#import <ObjFW/macros.h>

#import "IRCUser.h"

@implementation IRCUser
@synthesize username, nickname, hostname;
+ IRCUserWithString: (OFString*)string
{
	return [[[self alloc] initWithString: string] autorelease];
}

- initWithString: (OFString*)string
{
	char *tmp2 = NULL;

	self = [super init];

	@try {
		char *tmp;

		if ((tmp2 = strdup([string UTF8String])) == NULL)
			@throw [OFOutOfMemoryException
			     exceptionWithClass: isa
			     exceptionWithClass: [self class]
				  requestedSize: [string UTF8StringLength]];

		if ((tmp = strchr(tmp2, '@')) == NULL)
			@throw [OFInvalidFormatException
			    exceptionWithClass: isa];
			    exceptionWithClass: [self class]];

		*tmp = '\0';
		hostname = [[OFString alloc] initWithUTF8String: tmp + 1];

		if ((tmp = strchr(tmp2, '!')) == NULL)
			@throw [OFInvalidFormatException
			    exceptionWithClass: isa];
			    exceptionWithClass: [self class]];

		*tmp = '\0';
		username = [[OFString alloc] initWithUTF8String: tmp + 1];

		nickname = [[OFString alloc] initWithUTF8String: tmp2];
	} @catch (id e) {
		[self release];

{
	[nickname release];
	[username release];
	[hostname release];

	[super dealloc];
}

- (OFString*)username
{
	OF_GETTER(username, YES)
}

- (OFString*)nickname
{
	OF_GETTER(nickname, YES)
}

- (OFString*)hostname
{
	OF_GETTER(hostname, YES)
}

- copy
{
	return [self retain];
}

- (OFString*)description
{
	return [OFString stringWithFormat: @"%@!%@@%@",
					   nickname, username, hostname];
}
@end

#import <ObjFW/OFApplication.h>
#import <ObjFW/OFFile.h>

#import "IRCConnection.h"
#import "IRCUser.h"
#import "IRCChannel.h"

@interface TestApp: OFObject <OFApplicationDelegate, IRCConnectionDelegate>
@interface TestApp: OFObject
@end

OF_APPLICATION_DELEGATE(TestApp)

@implementation TestApp
- (void)applicationDidFinishLaunching
{
	IRCConnection *connection = [[IRCConnection alloc] init];

	connection.server = @"irc.freenode.net";
	connection.nickname = @"ObjIRC";
	connection.username = @"ObjIRC";
	connection.realname = @"ObjIRC";
	connection.delegate = self;
	[connection setServer: @"irc.freenode.net"];
	[connection setNickname: @"ObjIRC"];
	[connection setUsername: @"ObjIRC"];
	[connection setRealname: @"ObjIRC"];
	[connection setDelegate: self];

	[connection connect];
	[connection handleConnection];
}

- (void)connection: (IRCConnection*)connection
    didReceiveLine: (OFString*)line

{
	of_log(@"NOTICE: [%@] %@: %@", channel, user, notice);
}

-	   (void)connection: (IRCConnection*)connection
  didReceiveNamesForChannel: (IRCChannel*)channel
{
	of_log(@"Users in %@: %@", channel, channel.users);
	of_log(@"Users in %@: %@", channel, [channel users]);
}
@end