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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2026 Sadie Powell <sadie@witchery.services>
*
* 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
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
class MessageBuilder
{
protected:
// The command name.
std::string command;
// Whether this message has been finalized yet.
bool finalized = false;
// Parameters to to the command.
CommandBase::Params parameters;
// The user that the message is from, or nullptr for no source.
User* source;
// Finalizes the message by calling events etc.
void Finalize();
public:
MessageBuilder(const std::string& cmd, bool nosource = false)
: command(cmd)
, source(nosource ? nullptr : ServerInstance->FakeClient)
{
}
MessageBuilder(const TreeServer* src, const std::string& cmd) ATTR_NOT_NULL(2)
: command(cmd)
, source(src->ServerUser)
{
}
MessageBuilder(const User* src, const std::string& cmd) ATTR_NOT_NULL(2)
: command(cmd)
, source(const_cast<User*>(src))
{
}
// Broadcast this message to the entire network.
void Broadcast(const TreeServer* omit = nullptr);
// Retrieves the command name.
inline auto& GetCommand() { return this->command; }
// Retrieves the parameters to the command.
inline auto& GetParameters() { return this->parameters; }
// Retrieves the user that the message is from, or nullptr for no source.
inline auto*& GetSource() { return this->source; }
// Adds a parameter to the parameter list.
template <typename... Args>
MessageBuilder& Push(Args&&... args)
{
(this->parameters.push_back(ConvToStr(args)), ...);
return *this;
}
// Formats a parameter and adds it to the parameter list.
template <typename... Args>
MessageBuilder& PushFmt(const char* text, Args&&... args)
{
return Push(FMT::vformat(text, FMT::make_format_args(args...)));
}
// Adds a vector of command parameters to the parameter list.
MessageBuilder& PushParams(const CommandBase::Params& newparams);
// Adds tags to the tag list.
MessageBuilder& PushTags(ClientProtocol::TagMap newtags);
// Converts this message to the RFC 1459 form.
std::string ToRFC1459() const;
// Unicast this message to the specified server.
void Unicast(TreeServer* server) ATTR_NOT_NULL(2);
// Unicast this message to the specified socket.
void Unicast(TreeSocket* socket) ATTR_NOT_NULL(2);
// Unicast this message to the server of the specified user.
void Unicast(const User* user) ATTR_NOT_NULL(2);
};
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