X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fnumericbuilder.h;h=a077c666deaa9ff67e1d1261281a487d2b492d1e;hb=635cb9d65f6d7f6758ae8ed874da00c8d94b6e39;hp=b0995898699b9123576bffe116189d0eeb74e561;hpb=5801272a4ab462cf3258e02ddf612ed573aa5b34;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/numericbuilder.h b/include/numericbuilder.h
index b09958986..a077c666d 100644
--- a/include/numericbuilder.h
+++ b/include/numericbuilder.h
@@ -1,7 +1,8 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
- *   Copyright (C) 2015 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2018-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2015-2016 Attila Molnar <attilamolnar@hush.com>
  *
  * This file is part of InspIRCd.  InspIRCd is free software: you can
  * redistribute it and/or modify it under the terms of the GNU General Public
@@ -29,6 +30,12 @@ namespace Numeric
 
 	template <char Sep = ',', bool SendEmpty = false>
 	class Builder;
+
+	template <unsigned int NumStaticParams, bool SendEmpty, typename Sink>
+	class GenericParamBuilder;
+
+	template <unsigned int NumStaticParams, bool SendEmpty = false>
+	class ParamBuilder;
 }
 
 class Numeric::WriteNumericSink
@@ -79,7 +86,7 @@ class Numeric::GenericBuilder
 	GenericBuilder(Sink s, unsigned int num, bool addparam = true, size_t additionalsize = 0)
 		: sink(s)
 		, numeric(num)
-		, max(ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->ServerName.size() - additionalsize - 10)
+		, max(ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->GetServerName().size() - additionalsize - 10)
 	{
 		if (addparam)
 			numeric.push(std::string());
@@ -130,3 +137,184 @@ class Numeric::Builder : public GenericBuilder<Sep, SendEmpty, WriteNumericSink>
 	{
 	}
 };
+
+template <unsigned int NumStaticParams, bool SendEmpty, typename Sink>
+class Numeric::GenericParamBuilder
+{
+	Sink sink;
+	Numeric numeric;
+	std::string::size_type currlen;
+	std::string::size_type max;
+
+	bool HasRoom(const std::string::size_type additional) const
+	{
+		return (currlen + additional <= max);
+	}
+
+ public:
+	GenericParamBuilder(Sink s, unsigned int num, size_t additionalsize)
+		: sink(s)
+		, numeric(num)
+		, currlen(0)
+		, max(ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->GetServerName().size() - additionalsize - 10)
+	{
+	}
+
+	void AddStatic(const std::string& entry)
+	{
+		max -= (entry.length() + 1);
+		numeric.GetParams().push_back(entry);
+	}
+
+	void Add(const std::string& entry)
+	{
+		if (!HasRoom(entry.size()))
+			Flush();
+
+		currlen += entry.size() + 1;
+		numeric.GetParams().push_back(entry);
+	}
+
+	void Flush()
+	{
+		if ((!SendEmpty) && (IsEmpty()))
+			return;
+
+		sink(numeric);
+		currlen = 0;
+		numeric.GetParams().erase(numeric.GetParams().begin() + NumStaticParams, numeric.GetParams().end());
+	}
+
+	bool IsEmpty() const { return (numeric.GetParams().size() <= NumStaticParams); }
+};
+
+template <unsigned int NumStaticParams, bool SendEmpty>
+class Numeric::ParamBuilder : public GenericParamBuilder<NumStaticParams, SendEmpty, WriteNumericSink>
+{
+ public:
+	ParamBuilder(LocalUser* user, unsigned int num)
+		: ::Numeric::GenericParamBuilder<NumStaticParams, SendEmpty, WriteNumericSink>(WriteNumericSink(user), num, user->nick.size())
+	{
+	}
+};
+
+namespace Numerics
+{
+	class CannotSendTo;
+	class InvalidModeParameter;
+	class NoSuchChannel;
+	class NoSuchNick;
+}
+
+/** Builder for the ERR_CANNOTSENDTOCHAN and ERR_CANTSENDTOUSER numerics. */
+class Numerics::CannotSendTo : public Numeric::Numeric
+{
+ public:
+	CannotSendTo(Channel* chan, const std::string& message)
+		: Numeric(ERR_CANNOTSENDTOCHAN)
+	{
+		push(chan->name);
+		push(message);
+	}
+
+	CannotSendTo(Channel* chan, const std::string& what, ModeHandler* mh)
+		: Numeric(ERR_CANNOTSENDTOCHAN)
+	{
+		push(chan->name);
+		push(InspIRCd::Format("You cannot send %s to this channel whilst the +%c (%s) mode is set.",
+			what.c_str(), mh->GetModeChar(), mh->name.c_str()));
+	}
+
+	CannotSendTo(Channel* chan, const std::string& what, char extban, const std::string& extbandesc)
+		: Numeric(ERR_CANNOTSENDTOCHAN)
+	{
+		push(chan->name);
+		push(InspIRCd::Format("You cannot send %s to this channel whilst %s %c: (%s) extban is set matching you.",
+			what.c_str(), strchr("AEIOUaeiou", extban) ? "an" : "a", extban, extbandesc.c_str()));
+	}
+
+	CannotSendTo(User* user, const std::string& message)
+		: Numeric(ERR_CANTSENDTOUSER)
+	{
+		push(user->registered & REG_NICK ? user->nick : "*");
+		push(message);
+	}
+
+	CannotSendTo(User* user, const std::string& what, ModeHandler* mh, bool self = false)
+		: Numeric(ERR_CANTSENDTOUSER)
+	{
+		push(user->registered & REG_NICK ? user->nick : "*");
+		push(InspIRCd::Format("You cannot send %s to this user whilst %s have the +%c (%s) mode set.",
+			what.c_str(), self ? "you" : "they", mh->GetModeChar(), mh->name.c_str()));
+	}
+};
+
+/* Builder for the ERR_INVALIDMODEPARAM numeric. */
+class Numerics::InvalidModeParameter : public Numeric::Numeric
+{
+ private:
+	void push_message(ModeHandler* mode, const std::string& message)
+	{
+		if (!message.empty())
+		{
+			// The caller has specified their own message.
+			push(message);
+			return;
+		}
+
+		const std::string& syntax = mode->GetSyntax();
+		if (!syntax.empty())
+		{
+			// If the mode has a syntax hint we include it in the message.
+			push(InspIRCd::Format("Invalid %s mode parameter. Syntax: %s.", mode->name.c_str(), syntax.c_str()));
+		}
+		else
+		{
+			// Otherwise, send it without.
+			push(InspIRCd::Format("Invalid %s mode parameter.", mode->name.c_str()));
+		}
+	}
+
+ public:
+	InvalidModeParameter(Channel* chan, ModeHandler* mode, const std::string& parameter, const std::string& message = "")
+		: Numeric(ERR_INVALIDMODEPARAM)
+	{
+		push(chan->name);
+		push(mode->GetModeChar());
+		push(parameter);
+		push_message(mode, message);
+	}
+
+	InvalidModeParameter(User* user, ModeHandler* mode, const std::string& parameter, const std::string& message = "")
+		: Numeric(ERR_INVALIDMODEPARAM)
+	{
+		push(user->registered & REG_NICK ? user->nick : "*");
+		push(mode->GetModeChar());
+		push(parameter);
+		push_message(mode, message);
+	}
+};
+
+/** Builder for the ERR_NOSUCHCHANNEL numeric. */
+class Numerics::NoSuchChannel : public Numeric::Numeric
+{
+ public:
+	NoSuchChannel(const std::string& chan)
+		: Numeric(ERR_NOSUCHCHANNEL)
+	{
+		push(chan.empty() ? "*" : chan);
+		push("No such channel");
+	}
+};
+
+/** Builder for the ERR_NOSUCHNICK numeric. */
+class Numerics::NoSuchNick : public Numeric::Numeric
+{
+ public:
+	NoSuchNick(const std::string& nick)
+		: Numeric(ERR_NOSUCHNICK)
+	{
+		push(nick.empty() ? "*" : nick);
+		push("No such nick");
+	}
+};