FM / attributes

/usr/include/boost/log/attributes

Name	Size	Mode	Actions
attribute.hpp	5230	0644	edit dl rm
attribute_cast.hpp	1780	0644	edit dl rm
attribute_name.hpp	5799	0644	edit dl rm
attribute_set.hpp	17140	0644	edit dl rm
attribute_value.hpp	16277	0644	edit dl rm
attribute_value_impl.hpp	4075	0644	edit dl rm
attribute_value_set.hpp	16954	0644	edit dl rm
clock.hpp	2687	0644	edit dl rm
constant.hpp	3547	0644	edit dl rm
counter.hpp	3072	0644	edit dl rm
current_process_id.hpp	1690	0644	edit dl rm
current_process_name.hpp	1703	0644	edit dl rm
current_thread_id.hpp	2885	0644	edit dl rm
fallback_policy.hpp	4731	0644	edit dl rm
fallback_policy_fwd.hpp	1312	0644	edit dl rm
function.hpp	4612	0644	edit dl rm
mutable_constant.hpp	9140	0644	edit dl rm
named_scope.hpp	14975	0644	edit dl rm
scoped_attribute.hpp	8141	0644	edit dl rm
timer.hpp	2469	0644	edit dl rm
time_traits.hpp	1967	0644	edit dl rm
value_extraction.hpp	34927	0644	edit dl rm
value_extraction_fwd.hpp	1594	0644	edit dl rm
value_visitation.hpp	13612	0644	edit dl rm
value_visitation_fwd.hpp	1150	0644	edit dl rm

Edit: /usr/include/boost/log/attributes/attribute_value_impl.hpp (4075B)

/*
 *          Copyright Andrey Semashev 2007 - 2015.
 * 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)
 */
/*!
 * \file   attribute_value_impl.hpp
 * \author Andrey Semashev
 * \date   24.06.2007
 *
 * The header contains an implementation of a basic attribute value implementation class.
 */

#ifndef BOOST_LOG_ATTRIBUTES_ATTRIBUTE_VALUE_IMPL_HPP_INCLUDED_
#define BOOST_LOG_ATTRIBUTES_ATTRIBUTE_VALUE_IMPL_HPP_INCLUDED_

#include <boost/type_index.hpp>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/is_nothrow_move_constructible.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/attributes/attribute_value.hpp>
#include <boost/log/utility/type_dispatch/type_dispatcher.hpp>
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
#include <boost/type_traits/remove_reference.hpp>
#endif
#include <boost/log/detail/header.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

namespace boost {

BOOST_LOG_OPEN_NAMESPACE

namespace attributes {

/*!
 * \brief Basic attribute value implementation class
 *
 * This class can be used as a boilerplate for simple attribute values. The class implements all needed
 * interfaces of attribute values and allows to store a single value of the type specified as a template parameter.
 * The stored value can be dispatched with type dispatching mechanism.
 */
template< typename T >
class attribute_value_impl :
    public attribute_value::impl
{
public:
    //! Value type
    typedef T value_type;

private:
    //! Attribute value
    const value_type m_value;

public:
    /*!
     * Constructor with initialization of the stored value
     */
    explicit attribute_value_impl(value_type const& v) : m_value(v) {}
    /*!
     * Constructor with initialization of the stored value
     */
    explicit attribute_value_impl(BOOST_RV_REF(value_type) v) BOOST_NOEXCEPT_IF(boost::is_nothrow_move_constructible< value_type >::value) :
        m_value(boost::move(v))
    {
    }

/*!
     * Attribute value dispatching method.
     *
     * \param dispatcher The dispatcher that receives the stored value
     *
     * \return \c true if the value has been dispatched, \c false otherwise
     */
    bool dispatch(type_dispatcher& dispatcher) BOOST_OVERRIDE
    {
        type_dispatcher::callback< value_type > callback = dispatcher.get_callback< value_type >();
        if (callback)
        {
            callback(m_value);
            return true;
        }
        else
            return false;
    }

/*!
     * \return The attribute value type
     */
    typeindex::type_index get_type() const BOOST_OVERRIDE { return typeindex::type_id< value_type >(); }

/*!
     * \return Reference to the contained value.
     */
    value_type const& get() const { return m_value; }
};

/*!
 * The function creates an attribute value from the specified object.
 */
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)

template< typename T >
inline attribute_value make_attribute_value(T&& v)
{
    typedef typename remove_cv< typename remove_reference< T >::type >::type value_type;
    return attribute_value(new attribute_value_impl< value_type >(boost::forward< T >(v)));
}

#else // !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)

template< typename T >
inline attribute_value make_attribute_value(T const& v)
{
    typedef typename remove_cv< T >::type value_type;
    return attribute_value(new attribute_value_impl< value_type >(v));
}

template< typename T >
inline attribute_value make_attribute_value(rv< T > const& v)
{
    typedef typename remove_cv< T >::type value_type;
    return attribute_value(new attribute_value_impl< value_type >(v));
}

#endif // !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)

} // namespace attributes

BOOST_LOG_CLOSE_NAMESPACE // namespace log

} // namespace boost

#include <boost/log/detail/footer.hpp>

#endif // BOOST_LOG_ATTRIBUTES_ATTRIBUTE_VALUE_IMPL_HPP_INCLUDED_

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