X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=include%2Fnumericbuilder.h;h=73bcc2c97f67ec28a7d0c187c3e8ae55f19adc99;hb=235a986964ff09dcc8662ea078518cad6bfbf11b;hp=726aeff3f5c78f8cff1ff7a6c59d5d810e49caf9;hpb=761e6d75ba37b984998952940ed681e79e456142;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/numericbuilder.h b/include/numericbuilder.h
index 726aeff3f..73bcc2c97 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) 2018-2019 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
@@ -22,12 +23,19 @@
 namespace Numeric
 {
 	class WriteNumericSink;
+	class WriteRemoteNumericSink;
 
 	template <char Sep, bool SendEmpty, typename Sink>
 	class GenericBuilder;
 
 	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
@@ -46,6 +54,22 @@ class Numeric::WriteNumericSink
 	}
 };
 
+class Numeric::WriteRemoteNumericSink
+{
+	User* const user;
+
+ public:
+	WriteRemoteNumericSink(User* u)
+		: user(u)
+	{
+	}
+
+	void operator()(Numeric& numeric) const
+	{
+		user->WriteRemoteNumeric(numeric);
+	}
+};
+
 template <char Sep, bool SendEmpty, typename Sink>
 class Numeric::GenericBuilder
 {
@@ -62,7 +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 - 9)
+		, max(ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->ServerName.size() - additionalsize - 10)
 	{
 		if (addparam)
 			numeric.push(std::string());
@@ -113,3 +137,140 @@ 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->ServerName.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 InvalidModeParameter;
+	class NoSuchChannel;
+	class NoSuchNick;
+}
+
+/* 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");
+	}
+};