ObjIRC  Diff

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#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"

@implementation IRCConnection
@synthesize server = _server, port = _port;
@synthesize nickname = _nickname, username = _username, realname = _realname;
@synthesize delegate = _delegate, socket = _socket;

+ (instancetype)connection
{
	return [[[self alloc] init] autorelease];
}

- init
{
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	[_username release];
	[_realname release];
	[_channels release];

	[super dealloc];
}

- (void)setServer: (OFString*)server
{
	OF_SETTER(_server, server, true, 1)
}

- (OFString*)server
{
	OF_GETTER(_server, true)
}

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

- (uint16_t)port
{
	return _port;
}

- (void)setNickname: (OFString*)nickname
{
	OF_SETTER(_nickname, nickname, true, 1)
}

- (OFString*)nickname
{
	OF_GETTER(_nickname, true)
}

- (void)setUsername: (OFString*)username
{
	OF_SETTER(_username, username, true, 1)
}

- (OFString*)username
{
	OF_GETTER(_username, true)
}

- (void)setRealname: (OFString*)realname
{
	OF_SETTER(_realname, realname, true, 1)
}

- (OFString*)realname
{
	OF_GETTER(_realname, true)
}

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

- (id <IRCConnectionDelegate>)delegate
{
	OF_GETTER(_delegate, false)
}

- (OFTCPSocket*)socket
{
	OF_GETTER(_socket, true)
}

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

	if (_socket != nil)
		@throw [OFAlreadyConnectedException exception];

	_socket = [[OFTCPSocket alloc] init];
	[_socket connectToHost: _server
			  port: _port];

	[self sendLineWithFormat: @"NICK %@", _nickname];
	[self sendLineWithFormat: @"USER %@ * 0 :%@", _username, _realname];

	[pool release];
	objc_autoreleasePoolPop(pool);
}

- (void)disconnect
{
	[self disconnectWithReason: nil];
}

- (void)disconnectWithReason: (OFString*)reason
{
	void *pool = objc_autoreleasePoolPush();

	reason = [[reason componentsSeparatedByString: @"\n"] firstObject];

	if (reason == nil)
		[self sendLine: @"QUIT"];
	else
		[self sendLineWithFormat: @"QUIT :%@", reason];

	objc_autoreleasePoolPop(pool);
}

- (void)joinChannel: (OFString*)channel
{
	void *pool = objc_autoreleasePoolPush();

	channel = [[channel componentsSeparatedByString: @"\n"] firstObject];

	[self sendLineWithFormat: @"JOIN %@", channel];

	objc_autoreleasePoolPop(pool);
}

- (void)leaveChannel: (OFString*)channel
{
	[self leaveChannel: channel
		    reason: nil];
}

- (void)leaveChannel: (OFString*)channel
	      reason: (OFString*)reason
{
	void *pool = objc_autoreleasePoolPush();

	channel = [[channel componentsSeparatedByString: @"\n"] firstObject];
	reason = [[reason componentsSeparatedByString: @"\n"] firstObject];

	if (reason == nil)
		[self sendLineWithFormat: @"PART %@", channel];
	else
		[self sendLineWithFormat: @"PART %@ :%@", channel, reason];

	[_channels removeObjectForKey: channel];

	objc_autoreleasePoolPop(pool);
}

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

	[_socket writeLine: line];
}

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

	va_start(args, format);
	line = [[[OFString alloc] initWithFormat: format
				       arguments: args] autorelease];
	va_end(args);

	[self sendLine: line];

	[pool release];
	objc_autoreleasePoolPop(pool);
}

- (void)sendMessage: (OFString*)msg
		 to: (OFString*)to
{
	OFArray *lines = [msg componentsSeparatedByString: @"\n"];
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator *enumerator = [lines objectEnumerator];
	OFString *line;

	while ((line = [enumerator nextObject]) != nil)
	for (OFString *line in [msg componentsSeparatedByString: @"\n"])
		[self sendLineWithFormat: @"PRIVMSG %@ :%@", to, line];

	objc_autoreleasePoolPop(pool);
}

- (void)sendNotice: (OFString*)notice
		to: (OFString*)to
{
	OFArray *lines = [notice componentsSeparatedByString: @"\n"];
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator *enumerator = [lines objectEnumerator];
	OFString *line;

	while ((line = [enumerator nextObject]) != nil)
	for (OFString *line in [notice componentsSeparatedByString: @"\n"])
		[self sendLineWithFormat: @"NOTICE %@ :%@", to, line];

	objc_autoreleasePoolPop(pool);
}

- (void)kickUser: (OFString*)user
	 channel: (OFString*)channel
	  reason: (OFString*)reason
{
	void *pool = objc_autoreleasePoolPush();

	reason = [[reason componentsSeparatedByString: @"\n"] firstObject];

	[self sendLineWithFormat: @"KICK %@ %@ :%@", channel, user, reason];

	objc_autoreleasePoolPop(pool);
}

- (void)changeNicknameTo: (OFString*)nickname
{
	void *pool = objc_autoreleasePoolPush();

	nickname = [[nickname componentsSeparatedByString: @"\n"]
	    firstObject];

	[self sendLineWithFormat: @"NICK %@", nickname];

	objc_autoreleasePoolPop(pool);
}

- (void)IRC_processLine: (OFString*)line
{
	OFArray *components;
	OFString *action = nil;
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	/* NAMES reply */
	if ([action isEqual: @"353"] && [components count] >= 6) {
		OFString *where;
		OFMutableSet *channel;
		OFArray *users;
		size_t pos;
		OFEnumerator *enumerator;
		OFString *user;

		where = [components objectAtIndex: 4];

		if ((channel = [_channels objectForKey: where]) == nil) {
			/* We did not request that */
			return;
		}

		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)]
		    componentsSeparatedByString: @" "];

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

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

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

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

		enumerator = [_channels objectEnumerator];
		for (OFMutableSet *channel in _channels)
		while ((channel = [enumerator nextObject]) != nil)
			[channel removeObject: [user nickname]];

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

		return;
	}

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

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

		user = [IRCUser IRCUserWithString: who];

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

		enumerator = [_channels objectEnumerator];
		for (OFMutableSet *channel in _channels) {
		while ((channel = [enumerator nextObject]) != nil) {
			if ([channel containsObject: [user nickname]]) {
				[channel removeObject: [user nickname]];
				[channel addObject: nickname];
			}
		}

		if ([_delegate respondsToSelector:
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		return;
	}
}

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

	[self IRC_processLine: line];

	[pool release];
	objc_autoreleasePoolPop(pool);
}

-	    (bool)socket: (OFTCPSocket*)socket
  didReceiveISO88591Line: (OFString*)line
	       exception: (OFException*)exception
{
	if (line != nil) {
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