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/**
* OutBuffer.h
*
* This is a utility class for writing various data types to a binary
* string, and converting the values to network byte order
*
* @copyright 2014 - 2017 Copernica BV
*/
/**
* Include guard
*/
#pragma once
/**
* Dependencies
*/
#include <memory>
#include <cstring>
#include "endian.h"
/**
* Set up namespace
*/
namespace AMQP {
/**
* Class definition
*/
class OutBuffer
{
protected:
/**
* The method that adds the actual data
* @param data
* @param size
*/
virtual void append(const void *data, size_t size) = 0;
public:
/**
* Destructor
*/
virtual ~OutBuffer()
{
}
/**
* Add a binary buffer to the buffer
* @param string char* to the string
* @param size size of string
*/
void add(const char *string, size_t size)
{
// append data
append(string, size);
}
/**
* Add a binary buffer to the buffer
* @param string char* to the string
* @param size size of string
*/
void add(const std::string &string)
{
// add data
append(string.c_str(), string.size());
}
/**
* add a uint8_t to the buffer
* @param value value to add
*/
void add(uint8_t value)
{
// append one byte
append(&value, sizeof(value));
}
/**
* add a uint16_t to the buffer
* @param value value to add
*/
void add(uint16_t value)
{
// convert to network byte order
uint16_t v = htobe16(value);
// append the data
append(&v, sizeof(v));
}
/**
* add a uint32_t to the buffer
* @param value value to add
*/
void add(uint32_t value)
{
// convert to network byte order
uint32_t v = htobe32(value);
// append the data
append(&v, sizeof(v));
}
/**
* add a uint64_t to the buffer
* @param value value to add
*/
void add(uint64_t value)
{
// convert to network byte order
uint64_t v = htobe64(value);
// append the data
append(&v, sizeof(v));
}
/**
* add a int8_t to the buffer
* @param value value to add
*/
void add(int8_t value)
{
// append the data
append(&value, sizeof(value));
}
/**
* add a int16_t to the buffer
* @param value value to add
*/
void add(int16_t value)
{
// convert to network byte order
int16_t v = htobe16(value);
// append the data
append(&v, sizeof(v));
}
/**
* add a int32_t to the buffer
* @param value value to add
*/
void add(int32_t value)
{
// convert into network byte order
int32_t v = htobe32(value);
// append the data
append(&v, sizeof(v));
}
/**
* add a int64_t to the buffer
* @param value value to add
*/
void add(int64_t value)
{
// copy into the buffer
int64_t v = htobe64(value);
// append the data
append(&v, sizeof(v));
}
/**
* add a float to the buffer
* @param value value to add
*/
void add(float value)
{
// append the data
append(&value, sizeof(value));
}
/**
* add a double to the buffer
* @param value value to add
*/
void add(double value)
{
// append the data
append(&value, sizeof(value));
}
};
/**
* End of namespace
*/
}
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