mirror of
https://github.com/sharkcz/rkdeveloptool.git
synced 2024-10-20 06:49:33 +02:00
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
//-- Property.hpp --
|
|
|
|
/*--------------------------------------------------------------------------
|
|
Class Library
|
|
|
|
Copyrights Emad Barsoum (ebarsoum@msn.com) 2003. All rights reserved.
|
|
________________________________________________________________
|
|
|
|
|
|
PROJECT : General
|
|
MODULE : property
|
|
FILENAME : Property.hpp
|
|
BUILD : 1
|
|
|
|
History of Modifications:
|
|
|
|
Date(dd/mm/yyyy)Person Description
|
|
---- ------ -----------
|
|
25/03/2003 Emad Barsoum Initial design and coding
|
|
|
|
CLASS NAME: property
|
|
VERSION: 1.0
|
|
|
|
DESCRIPTION:
|
|
This class try to simulate property for C++, using template technique.
|
|
|
|
LICENSE:
|
|
You are free to change or modify or redistribute the code, just keep the header.
|
|
And you can use this class in any application you want without any warranty.
|
|
*/
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#if !defined INC_PROPERTY_HPP
|
|
#define INC_PROPERTY_HPP
|
|
|
|
#define READ_ONLY 1
|
|
#define WRITE_ONLY 2
|
|
#define READ_WRITE 3
|
|
|
|
template<typename Container, typename ValueType, int nPropType>
|
|
class property
|
|
{
|
|
public:
|
|
property()
|
|
{
|
|
m_cObject = NULL;
|
|
Set = NULL;
|
|
Get = NULL;
|
|
}
|
|
//-- This to set a pointer to the class that contain the property --
|
|
void setContainer(Container* cObject)
|
|
{
|
|
m_cObject = cObject;
|
|
}
|
|
//-- Set the set member function that will change the value --
|
|
void setter(void (Container::*pSet)(ValueType value))
|
|
{
|
|
if((nPropType == WRITE_ONLY) || (nPropType == READ_WRITE))
|
|
Set = pSet;
|
|
else
|
|
Set = NULL;
|
|
}
|
|
//-- Set the get member function that will retrieve the value --
|
|
void getter(ValueType (Container::*pGet)())
|
|
{
|
|
if((nPropType == READ_ONLY) || (nPropType == READ_WRITE))
|
|
Get = pGet;
|
|
else
|
|
Get = NULL;
|
|
}
|
|
//-- Overload the '=' sign to set the value using the set member --
|
|
ValueType operator =(const ValueType& value)
|
|
{
|
|
assert(m_cObject != NULL);
|
|
assert(Set != NULL);
|
|
(m_cObject->*Set)(value);
|
|
return value;
|
|
}
|
|
|
|
//-- To make possible to cast the property class to the internal type --
|
|
operator ValueType()
|
|
{
|
|
assert(m_cObject != NULL);
|
|
assert(Get != NULL);
|
|
return (m_cObject->*Get)();
|
|
}
|
|
|
|
private:
|
|
Container* m_cObject;//-- Pointer to the module that contain the property --
|
|
void (Container::*Set)(ValueType value);//-- Pointer to set member function --
|
|
ValueType (Container::*Get)();//-- Pointer to get member function --
|
|
};
|
|
|
|
#endif |