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//===-- MIUtilVariant.cpp----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MIUtilVariant.cpp
//
// Overview: CMIUtilVariant implementation.
//
// Environment: Compilers: Visual C++ 12.
// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
// Libraries: See MIReadmetxt.
//
// Gotchas: See CMIUtilVariant class description.
//
// Copyright: None.
//--
// In-house headers:
#include "MIUtilVariant.h"
//++ ------------------------------------------------------------------------------------
// Details: CDataObjectBase constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::CDataObjectBase::CDataObjectBase( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CDataObjectBase copy constructor.
// Type: Method.
// Args: vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::CDataObjectBase::CDataObjectBase( const CDataObjectBase & vrOther )
{
MIunused( vrOther );
}
//++ ------------------------------------------------------------------------------------
// Details: CDataObjectBase destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::CDataObjectBase::~CDataObjectBase( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CDataObjectBase copy operator.
// Type: Method.
// Args: vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::CDataObjectBase & CMIUtilVariant::CDataObjectBase::operator= ( const CDataObjectBase & vrOther )
{
MIunused( vrOther );
return *this;
}
//++ ------------------------------------------------------------------------------------
// Details: Create a new copy of *this class.
// Type: Overrideable.
// Args: None.
// Return: CDataObjectBase * - Pointer to a new object.
// Throws: None.
//--
CMIUtilVariant::CDataObjectBase * CMIUtilVariant::CDataObjectBase::CreateCopyOfSelf( void )
{
// Override to implement copying of variant's data object
return new CDataObjectBase();
}
//++ ------------------------------------------------------------------------------------
// Details: Determine if *this object is a derived from CDataObjectBase.
// Type: Overrideable.
// Args: None.
// Return: bool - True = *this is derived from CDataObjectBase, false = *this is instance of the this base class.
// Throws: None.
//--
bool CMIUtilVariant::CDataObjectBase::GetIsDerivedClass( void ) const
{
// Override to in the derived class and return true
return false;
}
//++ ------------------------------------------------------------------------------------
// Details: Perform a bitwise copy of *this object.
// Type: Overrideable.
// Args: vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
void CMIUtilVariant::CDataObjectBase::Copy( const CDataObjectBase & vrOther )
{
// Override to implement
MIunused( vrOther );
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CDataObject copy constructor.
// Type: Method.
// Args: T - The object's type.
// vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
template< typename T >
CMIUtilVariant::CDataObject< T >::CDataObject( const CDataObject & vrOther )
{
if( this == &vrOther )
return;
CDataObjectBase::Copy( vrOther );
Copy( vrOther );
}
//++ ------------------------------------------------------------------------------------
// Details: CDataObject copy operator.
// Type: Method.
// Args: T - The object's type.
// vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
template< typename T >
CMIUtilVariant::CDataObject< T > & CMIUtilVariant::CDataObject< T >::operator= ( const CDataObject & vrOther )
{
if( this == &vrOther )
return *this;
CDataObjectBase::Copy( vrOther );
Copy( vrOther );
return *this;
}
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//++ ------------------------------------------------------------------------------------
// Details: CMIUtilVariant constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::CMIUtilVariant( void )
: m_pDataObject( nullptr )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMIUtilVariant copy constructor.
// Type: Method.
// Args: vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::CMIUtilVariant( const CMIUtilVariant & vrOther )
: m_pDataObject( nullptr )
{
if( this == &vrOther )
return;
Copy( vrOther );
}
//++ ------------------------------------------------------------------------------------
// Details: CMIUtilVariant destructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMIUtilVariant::~CMIUtilVariant( void )
{
Destroy();
}
//++ ------------------------------------------------------------------------------------
// Details: CMIUtilVariant copy operator.
// Type: Method.
// Args: vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
CMIUtilVariant & CMIUtilVariant::operator= ( const CMIUtilVariant & vrOther )
{
if( this == &vrOther )
return *this;
Copy( vrOther );
return *this;
}
//++ ------------------------------------------------------------------------------------
// Details: Release the resources used by *this object.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
void CMIUtilVariant::Destroy( void )
{
if( m_pDataObject != nullptr )
delete m_pDataObject;
m_pDataObject = nullptr;
}
//++ ------------------------------------------------------------------------------------
// Details: Bitwise copy another data object to *this variant object.
// Because *this Variant class does not store the type of the object
// held it performs a bitwise copy of the data object whenever the variant
// object is copied. This could lead to issues.
// Type: Method.
// Args: vrOther - (R) The other object.
// Return: None.
// Throws: None.
//--
void CMIUtilVariant::Copy( const CMIUtilVariant & vrOther )
{
Destroy();
if( vrOther.m_pDataObject != nullptr )
{
m_pDataObject = vrOther.m_pDataObject->CreateCopyOfSelf();
}
}
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