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-rw-r--r--indexlib/boost-compat/scoped_ptr.hpp118
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diff --git a/indexlib/boost-compat/scoped_ptr.hpp b/indexlib/boost-compat/scoped_ptr.hpp
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--- a/indexlib/boost-compat/scoped_ptr.hpp
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-#ifndef BOOST_SCOPED_PTR_HPP_INCLUDED
-#define BOOST_SCOPED_PTR_HPP_INCLUDED
-
-// ADAPTED FOR indexlib
-
-// (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 "checked_delete.hpp"
-
-#include <memory> // for std::auto_ptr
-#include <assert.h>
-
-namespace boost
-{
-
-
-// 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 * ptr;
-
- scoped_ptr(scoped_ptr const &);
- scoped_ptr & operator=(scoped_ptr const &);
-
- typedef scoped_ptr<T> this_type;
-
-public:
-
- typedef T element_type;
-
- explicit scoped_ptr(T * p = 0): ptr(p) // never throws
- {
- }
-
-
- explicit scoped_ptr(std::auto_ptr<T> p): ptr(p.release()) // never throws
- {
- }
-
- ~scoped_ptr() // never throws
- {
- boost::checked_delete(ptr);
- }
-
- void reset(T * p = 0) // never throws
- {
- assert(p == 0 || p != ptr); // catch self-reset errors
- this_type(p).swap(*this);
- }
-
- T & operator*() const // never throws
- {
- assert(ptr != 0);
- return *ptr;
- }
-
- T * operator->() const // never throws
- {
- assert(ptr != 0);
- return ptr;
- }
-
- T * get() const // never throws
- {
- return ptr;
- }
-
- // implicit conversion to "bool"
-
- typedef T * this_type::*unspecified_bool_type;
-
- operator unspecified_bool_type() const // never throws
- {
- return ptr == 0? 0: &this_type::ptr;
- }
-
- bool operator! () const // never throws
- {
- return ptr == 0;
- }
-
- void swap(scoped_ptr & b) // never throws
- {
- T * tmp = b.ptr;
- b.ptr = ptr;
- ptr = 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_SCOPED_PTR_HPP_INCLUDED