115 lines
1.8 KiB
C++
115 lines
1.8 KiB
C++
/**
|
|
* Void field type for AMQP
|
|
*
|
|
* @copyright
|
|
*/
|
|
|
|
/**
|
|
* Include guard
|
|
*/
|
|
#pragma once
|
|
|
|
/**
|
|
* Dependencies
|
|
*/
|
|
#include <memory>
|
|
#include "receivedframe.h"
|
|
#include "outbuffer.h"
|
|
#include "field.h"
|
|
|
|
/**
|
|
* Set up namespace
|
|
*/
|
|
namespace AMQP
|
|
{
|
|
class VoidField : public Field
|
|
{
|
|
private:
|
|
/**
|
|
* Field have no value
|
|
*/
|
|
|
|
public:
|
|
/**
|
|
* Default constructor
|
|
*/
|
|
VoidField() {}
|
|
|
|
/**
|
|
* Parse based on incoming buffer
|
|
* @param frame
|
|
*/
|
|
VoidField(ReceivedFrame &frame)
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* Destructor
|
|
*/
|
|
virtual ~VoidField() {}
|
|
|
|
/**
|
|
* Create a new instance of this object
|
|
* @return Field*
|
|
*/
|
|
virtual std::shared_ptr<Field> clone() const override
|
|
{
|
|
// create a new copy of ourselves and return it
|
|
return std::make_shared<VoidField>();
|
|
}
|
|
|
|
/**
|
|
* Get the size this field will take when
|
|
* encoded in the AMQP wire-frame format
|
|
* @return size_t
|
|
*/
|
|
virtual size_t size() const override
|
|
{
|
|
// numeric types have no extra storage requirements
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Write encoded payload to the given buffer.
|
|
* @param buffer OutBuffer to write to
|
|
*/
|
|
virtual void fill(OutBuffer &buffer) const override
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Get the type ID that is used to identify this type of
|
|
* field in a field table
|
|
*/
|
|
virtual char typeID() const override
|
|
{
|
|
return 'V';
|
|
}
|
|
|
|
/**
|
|
* Output the object to a stream
|
|
* @param std::ostream
|
|
*/
|
|
virtual void output(std::ostream &stream) const override
|
|
{
|
|
// show
|
|
stream << "void()";
|
|
}
|
|
|
|
/**
|
|
* We are an void field
|
|
*
|
|
* @return true, because we are an void
|
|
*/
|
|
bool isVoid() const override
|
|
{
|
|
return true;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* end namespace
|
|
*/
|
|
}
|