C++ ChangeList::push_remove方法代码示例

void ModeHandler::RemoveMode(Channel* channel, Modes::ChangeList& changelist)
{
	if (channel->IsModeSet(this))
	{
		if (this->GetNumParams(false))
			// Removing this mode requires a parameter
			changelist.push_remove(this, channel->GetModeParameter(this));
		else
			changelist.push_remove(this);
	}
}

void User::UnOper()
{
	if (!this->IsOper())
		return;

	/*
	 * unset their oper type (what IS_OPER checks).
	 * note, order is important - this must come before modes as -o attempts
	 * to call UnOper. -- w00t
	 */
	oper = NULL;


	/* Remove all oper only modes from the user when the deoper - Bug #466*/
	Modes::ChangeList changelist;
	const ModeParser::ModeHandlerMap& usermodes = ServerInstance->Modes->GetModes(MODETYPE_USER);
	for (ModeParser::ModeHandlerMap::const_iterator i = usermodes.begin(); i != usermodes.end(); ++i)
	{
		ModeHandler* mh = i->second;
		if (mh->NeedsOper())
			changelist.push_remove(mh);
	}

	ServerInstance->Modes->Process(this, NULL, this, changelist);

	// Remove the user from the oper list
	stdalgo::vector::swaperase(ServerInstance->Users->all_opers, this);

	ModeHandler* opermh = ServerInstance->Modes->FindMode('o', MODETYPE_USER);
	this->SetMode(opermh, false);
}

	void OnBackgroundTimer(time_t curtime) override
	{
		timedbans expired;
		for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end();)
		{
			if (curtime > i->expire)
			{
				expired.push_back(*i);
				i = TimedBanList.erase(i);
			}
			else
				++i;
		}

		for (timedbans::iterator i = expired.begin(); i != expired.end(); i++)
		{
			std::string mask = i->mask;
			Channel* cr = i->chan;
			{
				const std::string expiry = "*** Timed ban on " + cr->name + " expired.";
				// If halfop is loaded, send notice to halfops and above, otherwise send to ops and above
				PrefixMode* mh = ServerInstance->Modes.FindPrefixMode('h');
				char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@';

				ClientProtocol::Messages::Privmsg notice(ClientProtocol::Messages::Privmsg::nocopy, ServerInstance->FakeClient, cr, expiry, MSG_NOTICE);
				cr->Write(ServerInstance->GetRFCEvents().privmsg, notice, pfxchar);
				ServerInstance->PI->SendChannelNotice(cr, pfxchar, expiry);

				Modes::ChangeList setban;
				setban.push_remove(ServerInstance->Modes.FindMode('b', MODETYPE_CHANNEL), mask);
				ServerInstance->Modes.Process(ServerInstance->FakeClient, cr, NULL, setban);
			}
		}
	}

	void ValidateChans()
	{
		Modes::ChangeList removepermchan;

		badchan = true;
		const chan_hash& chans = ServerInstance->GetChans();
		for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); )
		{
			Channel* c = i->second;
			// Move iterator before we begin kicking
			++i;
			if (ServerInstance->IsChannel(c->name))
				continue; // The name of this channel is still valid

			if (c->IsModeSet(permchannelmode) && c->GetUserCounter())
			{
				removepermchan.clear();
				removepermchan.push_remove(*permchannelmode);
				ServerInstance->Modes.Process(ServerInstance->FakeClient, c, NULL, removepermchan);
			}

			Channel::MemberMap& users = c->userlist;
			for (Channel::MemberMap::iterator j = users.begin(); j != users.end(); )
			{
				if (IS_LOCAL(j->first))
				{
					// KickUser invalidates the iterator
					Channel::MemberMap::iterator it = j++;
					c->KickUser(ServerInstance->FakeClient, it, "Channel name no longer valid");
				}
				else
					++j;
			}
		}
		badchan = false;
	}

	CmdResult Handle(User* user, const Params& parameters) override
	{
		ModeHandler* mh;
		Channel* chan = ServerInstance->FindChan(parameters[0]);
		char modeletter = parameters[1][0];

		if (chan == NULL)
		{
			user->WriteNotice("The channel " + parameters[0] + " does not exist.");
			return CMD_FAILURE;
		}

		mh = ServerInstance->Modes.FindMode(modeletter, MODETYPE_CHANNEL);
		if (mh == NULL || parameters[1].size() > 1)
		{
			user->WriteNotice(parameters[1] + " is not a valid channel mode.");
			return CMD_FAILURE;
		}

		if (chan->GetPrefixValue(user) < mh->GetLevelRequired(false))
		{
			user->WriteNotice("You do not have access to unset " + ConvToStr(modeletter) + " on " +  chan->name + ".");
			return CMD_FAILURE;
		}

		std::string pattern = parameters.size() > 2 ? parameters[2] : "*";
		PrefixMode* pm;
		ListModeBase* lm;
		ListModeBase::ModeList* ml;
		Modes::ChangeList changelist;

		if ((pm = mh->IsPrefixMode()))
		{
			// As user prefix modes don't have a GetList() method, let's iterate through the channel's users.
			const Channel::MemberMap& users = chan->GetUsers();
			for (Channel::MemberMap::const_iterator it = users.begin(); it != users.end(); ++it)
			{
				if (!InspIRCd::Match(it->first->nick, pattern))
					continue;
				if (it->second->HasMode(pm) && !((it->first == user) && (pm->GetPrefixRank() > VOICE_VALUE)))
					changelist.push_remove(mh, it->first->nick);
			}
		}
		else if ((lm = mh->IsListModeBase()) && ((ml = lm->GetList(chan)) != NULL))
		{
			for (ListModeBase::ModeList::iterator it = ml->begin(); it != ml->end(); ++it)
			{
				if (!InspIRCd::Match(it->mask, pattern))
					continue;
				changelist.push_remove(mh, it->mask);
			}
		}
		else
		{
			if (chan->IsModeSet(mh))
				changelist.push_remove(mh);
		}

		ServerInstance->Modes.Process(user, chan, NULL, changelist);
		return CMD_SUCCESS;
	}