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/*
* The Mana Server
* Copyright (C) 2004-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server 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
* any later version.
*
* The Mana Server 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 The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MESSAGEOUT_H
#define MESSAGEOUT_H
#include "common/manaserv_protocol.h"
#include <iosfwd>
/**
* Used for building an outgoing message.
*/
class MessageOut
{
public:
/**
* Constructor.
*
* @param id the message ID
*/
MessageOut(int id);
~MessageOut();
/**
* Writes an 8-bit integer to the message.
*/
void writeInt8(int value);
/**
* Writes an 16-bit integer to the message.
*/
void writeInt16(int value);
/**
* Writes an 32-bit integer to the message.
*/
void writeInt32(int value);
/**
* Writes a double. HACKY and should *not* be used for client
* communication!
*/
void writeDouble(double value);
/**
* Writes a string. If a fixed length is not given (-1), it is stored
* as a short at the start of the string.
*/
void writeString(const std::string &string, int length = -1);
/**
* Returns the content of the message.
*/
char *getData() const { return mData; }
/**
* Returns the length of the data.
*/
unsigned int getLength() const { return mPos; }
/**
* Sets whether the debug mode is enabled. In debug mode, the internal
* data of the message is annotated so that the message contents can
* be printed.
*
* Debug mode is disabled by default.
*/
static void setDebugModeEnabled(bool enabled);
private:
/**
* Ensures the capacity of the data buffer is large enough to hold the
* given amount of bytes.
*/
void expand(size_t size);
void writeValueType(ManaServ::ValueType type);
char *mData; /**< Data building up. */
unsigned int mPos; /**< Position in the data. */
unsigned int mDataSize; /**< Allocated datasize. */
bool mDebugMode; /**< Include debugging information. */
/**
* Streams message ID and length to the given output stream.
*/
friend std::ostream& operator <<(std::ostream &os,
const MessageOut &msg);
};
#endif // MESSAGEOUT_H
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