C++ CString::LeftChomp方法代码示例

	void FilterIncoming(const CString& sTarget, CNick& Nick, CString& sMessage) {
		if (sMessage.Left(5) == "+OK *") {
			MCString::iterator it = FindNV(sTarget.AsLower());

			if (it != EndNV()) {
				sMessage.LeftChomp(5);
				sMessage.Base64Decode();
				sMessage.Decrypt(it->second);
				sMessage.LeftChomp(8);
				sMessage = sMessage.c_str();
				Nick.SetNick(NickPrefix() + Nick.GetNick());
			}
		}

	}

	virtual EModRet OnUserMsg(CString& sTarget, CString& sMessage) {
		sTarget.TrimLeft(NickPrefix());

		if (sMessage.Left(2) == "``") {
			sMessage.LeftChomp(2);
			return CONTINUE;
		}

		MCString::iterator it = FindNV(sTarget.AsLower());

		if (it != EndNV()) {
			CChan* pChan = m_pNetwork->FindChan(sTarget);
			if (pChan) {
				if (!pChan->AutoClearChanBuffer())
					pChan->AddBuffer(":" + NickPrefix() + _NAMEDFMT(m_pNetwork->GetIRCNick().GetNickMask()) + " PRIVMSG " + _NAMEDFMT(sTarget) + " :{text}", sMessage);
				m_pUser->PutUser(":" + NickPrefix() + m_pNetwork->GetIRCNick().GetNickMask() + " PRIVMSG " + sTarget + " :" + sMessage, NULL, m_pClient);
			}

			CString sMsg = MakeIvec() + sMessage;
			sMsg.Encrypt(it->second);
			sMsg.Base64Encode();
			sMsg = "+OK *" + sMsg;

			PutIRC("PRIVMSG " + sTarget + " :" + sMsg);
			return HALTCORE;
		}

		return CONTINUE;
	}

	EModRet OnRaw(CString& sLine)
	{
		if(sLine.Left(m_look.size()).Equals(m_look))
		{
			CString sChan = sLine.Token(2);
			CString sMsg = sLine.Token(3, true);
			sMsg.LeftChomp();

			if(sMsg.empty() || sMsg[0] != '<')
				return CONTINUE;

			CString::size_type uPos = sMsg.find('>');
			if(uPos == CString::npos)
				return CONTINUE;

			CString sTempNick = sMsg.substr(1, uPos - 1);
			CString sNick;
			for(size_t p = 0; p < sTempNick.size(); p++)
			{
				if(isalnum(sTempNick[p]) || std::string("[\\]^_-{|}").find(sTempNick[p]) != CString::npos)
				{
					sNick += sTempNick[p];
				}
			}

			sNick += "|S";

			sLine = ":" + sNick + "[email protected] PRIVMSG " + sChan + " :" + sMsg.substr(uPos + 2);
		}
		return CONTINUE;
	}

	virtual EModRet OnUserRaw(CString& sLine) {
		// We dont care if we are not connected to IRC
		if (!m_pNetwork->IsIRCConnected())
			return CONTINUE;

		// We are trying to get the config nick and this is a /nick?
		if (!m_pTimer || !sLine.Token(0).Equals("NICK"))
			return CONTINUE;

		// Is the nick change for the nick we are trying to get?
		CString sNick = sLine.Token(1);

		// Don't even think of using spaces in your nick!
		if (sNick.Left(1) == ":")
			sNick.LeftChomp();

		if (!sNick.Equals(GetNick()))
			return CONTINUE;

		// Indeed trying to change to this nick, generate a 433 for it.
		// This way we can *always* block incoming 433s from the server.
		PutUser(":" + m_pNetwork->GetIRCServer() + " 433 " + m_pNetwork->GetIRCNick().GetNick()
				+ " " + sNick + " :ZNC is already trying to get this nickname");
		return CONTINUE;
	}

    EModRet OnUserRaw(CString& sLine) override {
        // Handle ISON
        if (sLine.Token(0).Equals("ison")) {
            VCString vsNicks;

            // Get the list of nicks which are being asked for
            sLine.Token(1, true).TrimLeft_n(":").Split(" ", vsNicks, false);

            CString sBNCNicks;
            for (const CString& sNick : vsNicks) {
                if (IsOnlineModNick(sNick)) {
                    sBNCNicks += " " + sNick;
                }
            }
            // Remove the leading space
            sBNCNicks.LeftChomp();

            if (!GetNetwork()->GetIRCSock()) {
                // if we are not connected to any IRC server, send
                // an empty or module-nick filled response.
                PutUser(":irc.znc.in 303 " + GetClient()->GetNick() + " :" +
                        sBNCNicks);
            } else {
                // We let the server handle this request and then act on
                // the 303 response from the IRC server.
                m_ISONRequests.push_back(sBNCNicks);
            }
        }

        // Handle WHOIS
        if (sLine.Token(0).Equals("whois")) {
            CString sNick = sLine.Token(1);

            if (IsOnlineModNick(sNick)) {
                CIRCNetwork* pNetwork = GetNetwork();
                PutUser(":znc.in 311 " + pNetwork->GetCurNick() + " " + sNick +
                        " znc znc.in * :" + sNick);
                PutUser(":znc.in 312 " + pNetwork->GetCurNick() + " " + sNick +
                        " *.znc.in :Bouncer");
                PutUser(":znc.in 318 " + pNetwork->GetCurNick() + " " + sNick +
                        " :End of /WHOIS list.");

                return HALT;
            }
        }

        return CONTINUE;
    }

    CString ParsePerform(const CString& sArg) const {
        CString sPerf = sArg;

        if (sPerf.Left(1) == "/") sPerf.LeftChomp();

        if (sPerf.Token(0).Equals("MSG")) {
            sPerf = "PRIVMSG " + sPerf.Token(1, true);
        }

        if ((sPerf.Token(0).Equals("PRIVMSG") ||
             sPerf.Token(0).Equals("NOTICE")) &&
            sPerf.Token(2).Left(1) != ":") {
            sPerf = sPerf.Token(0) + " " + sPerf.Token(1) + " :" +
                    sPerf.Token(2, true);
        }

        return sPerf;
    }

bool CIRCNetwork::AddServer(const CString& sName) {
	if (sName.empty()) {
		return false;
	}

	bool bSSL = false;
	CString sLine = sName;
	sLine.Trim();

	CString sHost = sLine.Token(0);
	CString sPort = sLine.Token(1);

	if (sPort.Left(1) == "+") {
		bSSL = true;
		sPort.LeftChomp();
	}

	unsigned short uPort = sPort.ToUShort();
	CString sPass = sLine.Token(2, true);

	return AddServer(sHost, uPort, sPass, bSSL);
}

	virtual bool OnLoad(const CString& sArgs, CString& sMessage) {
		if (sArgs.Trim_n().empty()) {
			return true; // use defaults
		}

		m_sServer = sArgs.Token(0);
		CString sPort = sArgs.Token(1);
		m_sUserFormat = sArgs.Token(2);

		if (sPort.Left(1) == "+") {
			m_bSSL = true;
			sPort.LeftChomp();
		}

		unsigned short uPort = sPort.ToUShort();

		if (uPort) {
			m_uPort = uPort;
		}

		return true;
	}

// Config Parser. Might drop this.
bool CConfig::Parse(CFile& file, CString& sErrorMsg)
{
	CString sLine;
	unsigned int uLineNum = 0;
	CConfig *pActiveConfig = this;
	std::stack<ConfigStackEntry> ConfigStack;
	bool bCommented = false;     // support for /**/ style comments

	if (!file.Seek(0)) {
		sErrorMsg = "Could not seek to the beginning of the config.";
		return false;
	}

	while (file.ReadLine(sLine)) {
		uLineNum++;

#define ERROR(arg) do { \
	std::stringstream stream; \
	stream << "Error on line " << uLineNum << ": " << arg; \
	sErrorMsg = stream.str(); \
	m_SubConfigs.clear(); \
	m_ConfigEntries.clear(); \
	return false; \
} while (0)

		// Remove all leading spaces and trailing line endings
		sLine.TrimLeft();
		sLine.TrimRight("\r\n");

		if (bCommented || sLine.Left(2) == "/*") {
			/* Does this comment end on the same line again? */
			bCommented = (sLine.Right(2) != "*/");

			continue;
		}

		if ((sLine.empty()) || (sLine[0] == '#') || (sLine.Left(2) == "//")) {
			continue;
		}

		if ((sLine.Left(1) == "<") && (sLine.Right(1) == ">")) {
			sLine.LeftChomp();
			sLine.RightChomp();
			sLine.Trim();

			CString sTag = sLine.Token(0);
			CString sValue = sLine.Token(1, true);

			sTag.Trim();
			sValue.Trim();

			if (sTag.Left(1) == "/") {
				sTag = sTag.substr(1);

				if (!sValue.empty())
					ERROR("Malformated closing tag. Expected \"</" << sTag << ">\".");
				if (ConfigStack.empty())
					ERROR("Closing tag \"" << sTag << "\" which is not open.");

				const struct ConfigStackEntry& entry = ConfigStack.top();
				CConfig myConfig(entry.Config);
				CString sName(entry.sName);

				if (!sTag.Equals(entry.sTag))
					ERROR("Closing tag \"" << sTag << "\" which is not open.");

				// This breaks entry
				ConfigStack.pop();

				if (ConfigStack.empty())
					pActiveConfig = this;
				else
					pActiveConfig = &ConfigStack.top().Config;

				SubConfig &conf = pActiveConfig->m_SubConfigs[sTag.AsLower()];
				SubConfig::const_iterator it = conf.find(sName);

				if (it != conf.end())
					ERROR("Duplicate entry for tag \"" << sTag << "\" name \"" << sName << "\".");

				conf[sName] = CConfigEntry(myConfig);
			} else {
				if (sValue.empty())
					ERROR("Empty block name at begin of block.");
				ConfigStack.push(ConfigStackEntry(sTag.AsLower(), sValue));
				pActiveConfig = &ConfigStack.top().Config;
			}

			continue;
		}

		// If we have a regular line, figure out where it goes
		CString sName = sLine.Token(0, false, "=");
		CString sValue = sLine.Token(1, true, "=");

		// Only remove the first space, people might want
		// leading spaces (e.g. in the MOTD).
		if (sValue.Left(1) == " ")
			sValue.LeftChomp();
//.........这里部分代码省略.........

	virtual void OnModCommand(const CString& sCommand) {
		CString sCmdName = sCommand.Token(0).AsLower();
		if (sCmdName == "add") {
			CString sPerf = sCommand.Token(1, true);

			if (sPerf.empty()) {
				PutModule("Usage: add <command>");
				return;
			}

			if (sPerf.Left(1) == "/")
				sPerf.LeftChomp();

			if (sPerf.Token(0).Equals("MSG")) {
				sPerf = "PRIVMSG " + sPerf.Token(1, true);
			}

			if ((sPerf.Token(0).Equals("PRIVMSG") ||
				sPerf.Token(0).Equals("NOTICE")) &&
				sPerf.Token(2).Left(1) != ":") {
				sPerf = sPerf.Token(0) + " " + sPerf.Token(1)
					+ " :" + sPerf.Token(2, true);
			}
			m_vPerform.push_back(sPerf);
			PutModule("Added!");
			Save();
		} else if (sCmdName == "del") {
			u_int iNum = sCommand.Token(1, true).ToUInt();
			if (iNum > m_vPerform.size() || iNum <= 0) {
				PutModule("Illegal # Requested");
				return;
			} else {
				m_vPerform.erase(m_vPerform.begin() + iNum - 1);
				PutModule("Command Erased.");
			}
			Save();
		} else if (sCmdName == "list") {
			int i = 1;
			CString sExpanded;
			for (VCString::iterator it = m_vPerform.begin(); it != m_vPerform.end(); it++, i++) {
				sExpanded = GetUser()->ExpandString(*it);
				if (sExpanded != *it)
					PutModule(CString(i) + ": " + *it + " (" + sExpanded + ")");
				else
					PutModule(CString(i) + ": " + *it);
			}
			PutModule(" -- End of List");
		} else if (sCmdName == "execute") {
			OnIRCConnected();
			PutModule("perform commands sent");
		} else if (sCmdName == "swap") {
			u_int iNumA = sCommand.Token(1).ToUInt();
			u_int iNumB = sCommand.Token(2).ToUInt();

			if (iNumA > m_vPerform.size() || iNumA <= 0 || iNumB > m_vPerform.size() || iNumB <= 0) {
				PutModule("Illegal # Requested");
			} else {
				std::iter_swap(m_vPerform.begin() + (iNumA - 1), m_vPerform.begin() + (iNumB - 1));
				PutModule("Commands Swapped.");
				Save();
			}
		} else {
			PutModule("Commands: add <command>, del <nr>, list, execute, swap <nr> <nr>");
		}
	}

void CIRCSock::ReadLine(const CString& sData) {
	CString sLine = sData;

	sLine.TrimRight("\n\r");

	DEBUG("(" << m_pUser->GetUserName() << ") IRC -> ZNC [" << sLine << "]");

	MODULECALL(OnRaw(sLine), m_pUser, NULL, return);

	if (sLine.Equals("PING ", false, 5)) {
		// Generate a reply and don't forward this to any user,
		// we don't want any PING forwarded
		PutIRC("PONG " + sLine.substr(5));
		return;
	} else if (sLine.Token(1).Equals("PONG")) {
		// Block PONGs, we already responded to the pings
		return;
	} else if (sLine.Equals("ERROR ", false, 6)) {
		//ERROR :Closing Link: nick[24.24.24.24] (Excess Flood)
		CString sError(sLine.substr(6));

		if (sError.Left(1) == ":") {
			sError.LeftChomp();
		}

		m_pUser->PutStatus("Error from Server [" + sError + "]");
		return;
	}

	CString sCmd = sLine.Token(1);

	if ((sCmd.length() == 3) && (isdigit(sCmd[0])) && (isdigit(sCmd[1])) && (isdigit(sCmd[2]))) {
		CString sServer = sLine.Token(0); sServer.LeftChomp();
		unsigned int uRaw = sCmd.ToUInt();
		CString sNick = sLine.Token(2);
		CString sRest = sLine.Token(3, true);

		switch (uRaw) {
			case 1: { // :irc.server.com 001 nick :Welcome to the Internet Relay Network nick
				if (m_bAuthed && sServer == "irc.znc.in") {
					// m_bAuthed == true => we already received another 001 => we might be in a traffic loop
					m_pUser->PutStatus("ZNC seems to be connected to itself, disconnecting...");
					Quit();
					return;
				}

				m_pUser->SetIRCServer(sServer);
				SetTimeout(240, TMO_READ);  // Now that we are connected, let nature take its course
				PutIRC("WHO " + sNick);

				m_bAuthed = true;
				m_pUser->PutStatus("Connected!");

				vector<CClient*>& vClients = m_pUser->GetClients();

				for (unsigned int a = 0; a < vClients.size(); a++) {
					CClient* pClient = vClients[a];
					CString sClientNick = pClient->GetNick(false);

					if (!sClientNick.Equals(sNick)) {
						// If they connected with a nick that doesn't match the one we got on irc, then we need to update them
						pClient->PutClient(":" + sClientNick + "!" + m_Nick.GetIdent() + "@" + m_Nick.GetHost() + " NICK :" + sNick);
					}
				}

				SetNick(sNick);

				MODULECALL(OnIRCConnected(), m_pUser, NULL, );

				m_pUser->ClearRawBuffer();
				m_pUser->AddRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);

				CZNC::Get().ReleaseISpoof();
				m_bISpoofReleased = true;

				break;
			}
			case 5:
				ParseISupport(sRest);
				m_pUser->UpdateExactRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
				break;
			case 2:
			case 3:
			case 4:
			case 250:  // highest connection count
			case 251:  // user count
			case 252:  // oper count
			case 254:  // channel count
			case 255:  // client count
			case 265:  // local users
			case 266:  // global users
				m_pUser->UpdateRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
				break;
			case 305:
				m_pUser->SetIRCAway(false);
				break;
			case 306:
				m_pUser->SetIRCAway(true);
				break;
			case 324: {  // MODE
//.........这里部分代码省略.........

void CIRCSock::ReadLine(const CString& sData) {
	CString sLine = sData;

	sLine.TrimRight("\n\r");

	DEBUG("(" << m_pNetwork->GetUser()->GetUserName() << "/" << m_pNetwork->GetName() << ") IRC -> ZNC [" << sLine << "]");

	NETWORKMODULECALL(OnRaw(sLine), m_pNetwork->GetUser(), m_pNetwork, NULL, return);

	if (sLine.Equals("PING ", false, 5)) {
		// Generate a reply and don't forward this to any user,
		// we don't want any PING forwarded
		PutIRC("PONG " + sLine.substr(5));
		return;
	} else if (sLine.Token(1).Equals("PONG")) {
		// Block PONGs, we already responded to the pings
		return;
	} else if (sLine.Equals("ERROR ", false, 6)) {
		//ERROR :Closing Link: nick[24.24.24.24] (Excess Flood)
		CString sError(sLine.substr(6));
		sError.TrimPrefix();
		m_pNetwork->PutStatus("Error from Server [" + sError + "]");
		return;
	}

	CString sCmd = sLine.Token(1);

	if ((sCmd.length() == 3) && (isdigit(sCmd[0])) && (isdigit(sCmd[1])) && (isdigit(sCmd[2]))) {
		CString sServer = sLine.Token(0).LeftChomp_n();
		unsigned int uRaw = sCmd.ToUInt();
		CString sNick = sLine.Token(2);
		CString sRest = sLine.Token(3, true);

		switch (uRaw) {
			case 1: { // :irc.server.com 001 nick :Welcome to the Internet Relay Network nick
				if (m_bAuthed && sServer == "irc.znc.in") {
					// m_bAuthed == true => we already received another 001 => we might be in a traffic loop
					m_pNetwork->PutStatus("ZNC seems to be connected to itself, disconnecting...");
					Quit();
					return;
				}

				m_pNetwork->SetIRCServer(sServer);
				SetTimeout(540, TMO_READ);  // Now that we are connected, let nature take its course
				PutIRC("WHO " + sNick);

				m_bAuthed = true;
				m_pNetwork->PutStatus("Connected!");

				vector<CClient*>& vClients = m_pNetwork->GetClients();

				for (unsigned int a = 0; a < vClients.size(); a++) {
					CClient* pClient = vClients[a];
					CString sClientNick = pClient->GetNick(false);

					if (!sClientNick.Equals(sNick)) {
						// If they connected with a nick that doesn't match the one we got on irc, then we need to update them
						pClient->PutClient(":" + sClientNick + "!" + m_Nick.GetIdent() + "@" + m_Nick.GetHost() + " NICK :" + sNick);
					}
				}

				SetNick(sNick);

				NETWORKMODULECALL(OnIRCConnected(), m_pNetwork->GetUser(), m_pNetwork, NULL, NOTHING);

				m_pNetwork->ClearRawBuffer();
				m_pNetwork->AddRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);

				break;
			}
			case 5:
				ParseISupport(sRest);
				m_pNetwork->UpdateExactRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
				break;
			case 10: { // :irc.server.com 010 nick <hostname> <port> :<info>
				CString sHost = sRest.Token(0);
				CString sPort = sRest.Token(1);
				CString sInfo = sRest.Token(2, true).TrimPrefix_n();
				m_pNetwork->PutStatus("Server [" + m_pNetwork->GetCurrentServer()->GetString(false) +
						"] redirects us to [" + sHost + ":" + sPort + "] with reason [" + sInfo + "]");
				m_pNetwork->PutStatus("Perhaps you want to add it as a new server.");
				// Don't send server redirects to the client
				return;
			}
			case 2:
			case 3:
			case 4:
			case 250:  // highest connection count
			case 251:  // user count
			case 252:  // oper count
			case 254:  // channel count
			case 255:  // client count
			case 265:  // local users
			case 266:  // global users
				m_pNetwork->UpdateRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
				break;
			case 305:
				m_pNetwork->SetIRCAway(false);
				break;
			case 306:
//.........这里部分代码省略.........

CString CTemplate::GetValue(const CString& sArgs, bool bFromIf) {
	CTemplateLoopContext* pContext = GetCurLoopContext();
	CString sName = sArgs.Token(0);
	CString sRest = sArgs.Token(1, true);
	CString sRet;

	while (sRest.Replace(" =", "=", "\"", "\"")) {}
	while (sRest.Replace("= ", "=", "\"", "\"")) {}

	VCString vArgs;
	MCString msArgs;
	//sRest.Split(" ", vArgs, false, "\"", "\"");
	sRest.QuoteSplit(vArgs);

	for (unsigned int a = 0; a < vArgs.size(); a++) {
		const CString& sArg = vArgs[a];

		msArgs[sArg.Token(0, false, "=").AsUpper()] = sArg.Token(1, true, "=");
	}

	/* We have no CConfig in ZNC land
	 * Hmm... Actually, we do have it now.
	if (msArgs.find("CONFIG") != msArgs.end()) {
		sRet = CConfig::GetValue(sName);
	} else*/ if (msArgs.find("ROWS") != msArgs.end()) {
		vector<CTemplate*>* pLoop = GetLoop(sName);
		sRet = CString((pLoop) ? pLoop->size() : 0);
	} else if (msArgs.find("TOP") == msArgs.end() && pContext) {
		sRet = pContext->GetValue(sArgs, bFromIf);

		if (!sRet.empty()) {
			return sRet;
		}
	} else {
		if (sName.Left(1) == "*") {
			sName.LeftChomp(1);
			MCString::iterator it = find(sName);
			sName = (it != end()) ? it->second : "";
		}

		MCString::iterator it = find(sName);
		sRet = (it != end()) ? it->second : "";
	}

	vector<CSmartPtr<CTemplateTagHandler> >& vspTagHandlers = GetTagHandlers();

	if (!vspTagHandlers.empty()) { // @todo this should go up to the top to grab handlers
		CTemplate* pTmpl = GetCurTemplate();

		if (sRet.empty()) {
			for (unsigned int j = 0; j < vspTagHandlers.size(); j++) {
				CSmartPtr<CTemplateTagHandler> spTagHandler = vspTagHandlers[j];
				CString sCustomOutput;

				if (!bFromIf && spTagHandler->HandleVar(*pTmpl, sArgs.Token(0), sArgs.Token(1, true), sCustomOutput)) {
					sRet = sCustomOutput;
					break;
				} else if (bFromIf && spTagHandler->HandleIf(*pTmpl, sArgs.Token(0), sArgs.Token(1, true), sCustomOutput)) {
					sRet = sCustomOutput;
					break;
				}
			}
		}

		for (unsigned int j = 0; j < vspTagHandlers.size(); j++) {
			CSmartPtr<CTemplateTagHandler> spTagHandler = vspTagHandlers[j];

			if (spTagHandler->HandleValue(*pTmpl, sRet, msArgs)) {
				break;
			}
		}
	}

	if (!bFromIf) {
		if (sRet.empty()) {
			sRet = ResolveLiteral(msArgs["DEFAULT"]);
		}

		MCString::iterator it = msArgs.find("ESC");

		if (it != msArgs.end()) {
			VCString vsEscs;
			it->second.Split(",", vsEscs, false);

			for (unsigned int a = 0; a < vsEscs.size(); a++) {
				sRet.Escape(CString::ToEscape(vsEscs[a]));
			}
		} else {
			sRet.Escape(m_spOptions->GetEscapeFrom(), m_spOptions->GetEscapeTo());
		}
	}

	return sRet;
}