//
// Automated Testing Framework (atf)
//
// Copyright (c) 2007 The NetBSD Foundation, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#if !defined(TOOLS_AUTO_ARRAY_HPP)
#define TOOLS_AUTO_ARRAY_HPP
#include <cstddef>
namespace tools {
// ------------------------------------------------------------------------
// The "auto_array" class.
// ------------------------------------------------------------------------
template< class T >
struct auto_array_ref {
T* m_ptr;
explicit auto_array_ref(T*);
};
template< class T >
auto_array_ref< T >::auto_array_ref(T* ptr) :
m_ptr(ptr)
{
}
template< class T >
class auto_array {
T* m_ptr;
public:
auto_array(T* = NULL) throw();
auto_array(auto_array< T >&) throw();
auto_array(auto_array_ref< T >) throw();
~auto_array(void) throw();
T* get(void) throw();
const T* get(void) const throw();
T* release(void) throw();
void reset(T* = NULL) throw();
auto_array< T >& operator=(auto_array< T >&) throw();
auto_array< T >& operator=(auto_array_ref< T >) throw();
T& operator[](int) throw();
operator auto_array_ref< T >(void) throw();
};
template< class T >
auto_array< T >::auto_array(T* ptr)
throw() :
m_ptr(ptr)
{
}
template< class T >
auto_array< T >::auto_array(auto_array< T >& ptr)
throw() :
m_ptr(ptr.release())
{
}
template< class T >
auto_array< T >::auto_array(auto_array_ref< T > ref)
throw() :
m_ptr(ref.m_ptr)
{
}
template< class T >
auto_array< T >::~auto_array(void)
throw()
{
if (m_ptr != NULL)
delete [] m_ptr;
}
template< class T >
T*
auto_array< T >::get(void)
throw()
{
return m_ptr;
}
template< class T >
const T*
auto_array< T >::get(void)
const throw()
{
return m_ptr;
}
template< class T >
T*
auto_array< T >::release(void)
throw()
{
T* ptr = m_ptr;
m_ptr = NULL;
return ptr;
}
template< class T >
void
auto_array< T >::reset(T* ptr)
throw()
{
if (m_ptr != NULL)
delete [] m_ptr;
m_ptr = ptr;
}
template< class T >
auto_array< T >&
auto_array< T >::operator=(auto_array< T >& ptr)
throw()
{
reset(ptr.release());
return *this;
}
template< class T >
auto_array< T >&
auto_array< T >::operator=(auto_array_ref< T > ref)
throw()
{
if (m_ptr != ref.m_ptr) {
delete [] m_ptr;
m_ptr = ref.m_ptr;
}
return *this;
}
template< class T >
T&
auto_array< T >::operator[](int pos)
throw()
{
return m_ptr[pos];
}
template< class T >
auto_array< T >::operator auto_array_ref< T >(void)
throw()
{
return auto_array_ref< T >(release());
}
} // namespace tools
#endif // !defined(TOOLS_AUTO_ARRAY_HPP)