NetBSD/external/bsd/atf/dist/atf-c++/utils.hpp

149 lines
3.7 KiB
C++

//
// Automated Testing Framework (atf)
//
// Copyright (c) 2007, 2008 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(_ATF_CXX_UTILS_HPP_)
#define _ATF_CXX_UTILS_HPP_
#include <cstddef>
namespace atf {
namespace utils {
// ------------------------------------------------------------------------
// The "auto_array" class.
// ------------------------------------------------------------------------
template< class T >
class auto_array {
T* m_ptr;
public:
auto_array(T* = NULL) throw();
auto_array(auto_array< T >&) throw();
~auto_array(void) throw();
T* get(void) throw();
T* release(void) throw();
void reset(T* = NULL) throw();
auto_array< T >& operator=(auto_array< T >&) throw();
T& operator[](int) 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(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 >
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 >
T&
auto_array< T >::operator[](int pos)
throw()
{
return m_ptr[pos];
}
// ------------------------------------------------------------------------
// The "noncopyable" class.
// ------------------------------------------------------------------------
class noncopyable {
// The class cannot be empty; otherwise we get ABI-stability warnings
// during the build, which will break it due to strict checking.
int m_noncopyable_dummy;
noncopyable(const noncopyable& nc);
noncopyable& operator=(const noncopyable& nc);
protected:
// Explicitly needed to provide some non-private functions. Otherwise
// we also get some warnings during the build.
noncopyable(void) {}
~noncopyable(void) {}
};
} // namespace utils
} // namespace atf
#endif // !defined(_ATF_CXX_UTILS_HPP_)