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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_RESPONSE_HXX
#define MPD_RESPONSE_HXX
#include "check.h"
#include "protocol/Ack.hxx"
#include "util/Compiler.h"
#include <stddef.h>
#include <stdarg.h>
class Client;
class TagMask;
class Response {
Client &client;
/**
* This command's index in the command list. Used to generate
* error messages.
*/
const unsigned list_index;
/**
* This command's name. Used to generate error messages.
*/
const char *command;
public:
Response(Client &_client, unsigned _list_index)
:client(_client), list_index(_list_index), command("") {}
Response(const Response &) = delete;
Response &operator=(const Response &) = delete;
/**
* Returns a const reference to the associated #Client object.
* This should only be used to access a client's settings, to
* determine how to format the response. For this reason, the
* returned reference is "const".
*/
const Client &GetClient() const {
return client;
}
/**
* Accessor for Client::tag_mask. Can be used if caller wants
* to avoid including Client.hxx.
*/
gcc_pure
TagMask GetTagMask() const noexcept;
void SetCommand(const char *_command) {
command = _command;
}
bool Write(const void *data, size_t length);
bool Write(const char *data);
bool FormatV(const char *fmt, va_list args);
bool Format(const char *fmt, ...);
void Error(enum ack code, const char *msg);
void FormatError(enum ack code, const char *fmt, ...);
};
#endif
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