960371b741
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7913 a95241bf-73f2-0310-859d-f6bbb57e9c96
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
#ifndef _CONSTRUCTOR_H_
|
|
#define _CONSTRUCTOR_H_
|
|
|
|
#include <util/kernel_cpp.h>
|
|
|
|
template <class DataType>
|
|
class Constructor {
|
|
public:
|
|
typedef DataType* Pointer;
|
|
typedef const DataType* ConstPointer;
|
|
typedef DataType& Reference;
|
|
typedef const DataType& ConstReference;
|
|
|
|
/*! Constructs the object pointed to by \a object via a
|
|
zero-parameter constructor.
|
|
*/
|
|
inline
|
|
void Construct(Pointer object) {
|
|
if (object)
|
|
new(reinterpret_cast<void*>(object)) DataType();
|
|
}
|
|
|
|
/*! Constructs the object pointed to by \a object via a
|
|
one-parameter constructor using the given argument.
|
|
*/
|
|
template <typename ArgType1>
|
|
inline
|
|
void Construct(Pointer object, ArgType1 arg1) {
|
|
if (object)
|
|
new(reinterpret_cast<void*>(object)) DataType(arg1);
|
|
}
|
|
|
|
/*! Constructs the object pointed to by \a object via a
|
|
two-parameter constructor using the given arguments.
|
|
*/
|
|
template <typename ArgType1, typename ArgType2>
|
|
inline
|
|
void Construct(Pointer object, ArgType1 arg1, ArgType2 arg2) {
|
|
if (object)
|
|
new(reinterpret_cast<void*>(object)) DataType(arg1, arg2);
|
|
}
|
|
|
|
/*! Constructs the object pointed to by \a object via a
|
|
three-parameter constructor using the given arguments.
|
|
*/
|
|
template <typename ArgType1, typename ArgType2, typename ArgType3>
|
|
inline
|
|
void Construct(Pointer object, ArgType1 arg1, ArgType2 arg2, ArgType3 arg3) {
|
|
if (object)
|
|
new(reinterpret_cast<void*>(object)) DataType(arg1, arg2, arg3);
|
|
}
|
|
|
|
/*! Constructs the object pointed to by \a object via a
|
|
four-parameter constructor using the given arguments.
|
|
*/
|
|
template <typename ArgType1, typename ArgType2, typename ArgType3,
|
|
typename ArgType4>
|
|
inline
|
|
void Construct(Pointer object, ArgType1 arg1, ArgType2 arg2, ArgType3 arg3,
|
|
ArgType4 arg4) {
|
|
if (object)
|
|
new(reinterpret_cast<void*>(object)) DataType(arg1, arg2, arg3, arg4);
|
|
}
|
|
|
|
/*! Calls the destructor for the object pointed to be \a object.
|
|
*/
|
|
inline
|
|
void Destruct(Pointer object) {
|
|
if (object)
|
|
object->~DataType();
|
|
}
|
|
|
|
|
|
};
|
|
|
|
#endif // _CONSTRUCTOR_H_
|