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Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/scoped_array.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/scoped_array.hpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/smart_ptr/scoped_array.hpp b/3rdParty/Boost/boost/smart_ptr/scoped_array.hpp new file mode 100644 index 0000000..483460f --- /dev/null +++ b/3rdParty/Boost/boost/smart_ptr/scoped_array.hpp @@ -0,0 +1,107 @@ +#ifndef BOOST_SMART_PTR_SCOPED_ARRAY_HPP_INCLUDED +#define BOOST_SMART_PTR_SCOPED_ARRAY_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_array.htm +// + +#include <boost/assert.hpp> +#include <boost/checked_delete.hpp> +#include <boost/config.hpp> // in case ptrdiff_t not in std + +#include <boost/detail/workaround.hpp> + +#include <cstddef> // for std::ptrdiff_t + +namespace boost +{ + +// Debug hooks + +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + +void sp_array_constructor_hook(void * p); +void sp_array_destructor_hook(void * p); + +#endif + +// scoped_array extends scoped_ptr to arrays. Deletion of the array pointed to +// is guaranteed, either on destruction of the scoped_array or via an explicit +// reset(). Use shared_array or std::vector if your needs are more complex. + +template<class T> class scoped_array // noncopyable +{ +private: + + T * px; + + scoped_array(scoped_array const &); + scoped_array & operator=(scoped_array const &); + + typedef scoped_array<T> this_type; + + void operator==( scoped_array const& ) const; + void operator!=( scoped_array const& ) const; + +public: + + typedef T element_type; + + explicit scoped_array( T * p = 0 ) : px( p ) // never throws + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + boost::sp_array_constructor_hook( px ); +#endif + } + + ~scoped_array() // never throws + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + boost::sp_array_destructor_hook( px ); +#endif + boost::checked_array_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[](std::ptrdiff_t i) const // never throws + { + BOOST_ASSERT( px != 0 ); + BOOST_ASSERT( i >= 0 ); + return px[i]; + } + + T * get() const // never throws + { + return px; + } + +// implicit conversion to "bool" +#include <boost/smart_ptr/detail/operator_bool.hpp> + + void swap(scoped_array & b) // never throws + { + T * tmp = b.px; + b.px = px; + px = tmp; + } +}; + +template<class T> inline void swap(scoped_array<T> & a, scoped_array<T> & b) // never throws +{ + a.swap(b); +} + +} // namespace boost + +#endif // #ifndef BOOST_SMART_PTR_SCOPED_ARRAY_HPP_INCLUDED |