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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/smart_ptr/scoped_ptr.hpp | |
| download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/scoped_ptr.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/scoped_ptr.hpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/smart_ptr/scoped_ptr.hpp b/3rdParty/Boost/boost/smart_ptr/scoped_ptr.hpp new file mode 100644 index 0000000..df479e5 --- /dev/null +++ b/3rdParty/Boost/boost/smart_ptr/scoped_ptr.hpp @@ -0,0 +1,131 @@ +#ifndef BOOST_SMART_PTR_SCOPED_PTR_HPP_INCLUDED +#define BOOST_SMART_PTR_SCOPED_PTR_HPP_INCLUDED + +// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999. +// Copyright (c) 2001, 2002 Peter Dimov +// +// Distributed under the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// http://www.boost.org/libs/smart_ptr/scoped_ptr.htm +// + +#include <boost/assert.hpp> +#include <boost/checked_delete.hpp> +#include <boost/detail/workaround.hpp> + +#ifndef BOOST_NO_AUTO_PTR +# include <memory> // for std::auto_ptr +#endif + +namespace boost +{ + +// Debug hooks + +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + +void sp_scalar_constructor_hook(void * p); +void sp_scalar_destructor_hook(void * p); + +#endif + +// scoped_ptr mimics a built-in pointer except that it guarantees deletion +// of the object pointed to, either on destruction of the scoped_ptr or via +// an explicit reset(). scoped_ptr is a simple solution for simple needs; +// use shared_ptr or std::auto_ptr if your needs are more complex. + +template<class T> class scoped_ptr // noncopyable +{ +private: + + T * px; + + scoped_ptr(scoped_ptr const &); + scoped_ptr & operator=(scoped_ptr const &); + + typedef scoped_ptr<T> this_type; + + void operator==( scoped_ptr const& ) const; + void operator!=( scoped_ptr const& ) const; + +public: + + typedef T element_type; + + explicit scoped_ptr( T * p = 0 ): px( p ) // never throws + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + boost::sp_scalar_constructor_hook( px ); +#endif + } + +#ifndef BOOST_NO_AUTO_PTR + + explicit scoped_ptr( std::auto_ptr<T> p ): px( p.release() ) // never throws + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + boost::sp_scalar_constructor_hook( px ); +#endif + } + +#endif + + ~scoped_ptr() // never throws + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + boost::sp_scalar_destructor_hook( px ); +#endif + boost::checked_delete( px ); + } + + void reset(T * p = 0) // never throws + { + BOOST_ASSERT( p == 0 || p != px ); // catch self-reset errors + this_type(p).swap(*this); + } + + T & operator*() const // never throws + { + BOOST_ASSERT( px != 0 ); + return *px; + } + + T * operator->() const // never throws + { + BOOST_ASSERT( px != 0 ); + return px; + } + + T * get() const // never throws + { + return px; + } + +// implicit conversion to "bool" +#include <boost/smart_ptr/detail/operator_bool.hpp> + + void swap(scoped_ptr & b) // never throws + { + T * tmp = b.px; + b.px = px; + px = tmp; + } +}; + +template<class T> inline void swap(scoped_ptr<T> & a, scoped_ptr<T> & b) // never throws +{ + a.swap(b); +} + +// get_pointer(p) is a generic way to say p.get() + +template<class T> inline T * get_pointer(scoped_ptr<T> const & p) +{ + return p.get(); +} + +} // namespace boost + +#endif // #ifndef BOOST_SMART_PTR_SCOPED_PTR_HPP_INCLUDED |