-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_CONNECTION_HPP

-#define BOOST_SIGNALS_CONNECTION_HPP

-

-#include <boost/signals/detail/signals_common.hpp>

-#include <boost/smart_ptr.hpp>

-#include <boost/operators.hpp>

-#include <boost/any.hpp>

-#include <list>

-#include <cassert>

-#include <utility>

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-namespace boost {

- namespace BOOST_SIGNALS_NAMESPACE {

- class trackable;

-

- namespace detail {

- // Represents an object that has been bound as part of a slot, and how

- // to notify that object of a disconnect

- struct bound_object {

- void* obj;

- void* data;

- void (*disconnect)(void*, void*);

-

- bool operator==(const bound_object& other) const

- { return obj == other.obj && data == other.data; }

- bool operator<(const bound_object& other) const

- { return obj < other.obj; }

-

- // To support intel 80 compiler, 2004/03/18 (Mark Rodgers)

- bool operator!=(const bound_object& other) const

- { return !(*this==other); }

- bool operator>(const bound_object& other) const

- { return !(*this < other); }

- };

-

- // Describes the connection between a signal and the objects that are

- // bound for a specific slot. Enables notification of the signal and the

- // slots when a disconnect is requested.

- struct basic_connection {

- void* signal;

- void* signal_data;

- void (*signal_disconnect)(void*, void*);

- bool blocked_;

-

- std::list<bound_object> bound_objects;

- };

- } // end namespace detail

-

- // The user may freely pass around the "connection" object and terminate

- // the connection at any time using disconnect().

- class BOOST_SIGNALS_DECL connection :

- private less_than_comparable1<connection>,

- private equality_comparable1<connection>

- {

- public:

- connection() : con(), controlling_connection(false) {}

- connection(const connection&);

- ~connection();

-

- // Block he connection: if the connection is still active, there

- // will be no notification

- void block(bool should_block = true) { con->blocked_ = should_block; }

- void unblock() { con->blocked_ = false; }

- bool blocked() const { return !connected() || con->blocked_; }

-

- // Disconnect the signal and slot, if they are connected

- void disconnect() const;

-

- // Returns true if the signal and slot are connected

- bool connected() const { return con.get() && con->signal_disconnect; }

-

- // Comparison of connections

- bool operator==(const connection& other) const;

- bool operator<(const connection& other) const;

-

- // Connection assignment

- connection& operator=(const connection& other) ;

-

- // Swap connections

- void swap(connection& other);

-

- public: // TBD: CHANGE THIS

- // Set whether this connection object is controlling or not

- void set_controlling(bool control = true)

- { controlling_connection = control; }

-

- shared_ptr<BOOST_SIGNALS_NAMESPACE::detail::basic_connection>

- get_connection() const

- { return con; }

-

- private:

- friend class detail::signal_base_impl;

- friend class detail::slot_base;

- friend class trackable;

-

- // Reset this connection to refer to a different actual connection

- void reset(BOOST_SIGNALS_NAMESPACE::detail::basic_connection*);

-

- // Add a bound object to this connection (not for users)

- void add_bound_object(const BOOST_SIGNALS_NAMESPACE::detail::bound_object& b);

-

- friend class BOOST_SIGNALS_NAMESPACE::detail::bound_objects_visitor;

-

- // Pointer to the actual contents of the connection

- shared_ptr<BOOST_SIGNALS_NAMESPACE::detail::basic_connection> con;

-

- // True if the destruction of this connection object should disconnect

- bool controlling_connection;

- };

-

- // Similar to connection, but will disconnect the connection when it is

- // destroyed unless release() has been called.

- class BOOST_SIGNALS_DECL scoped_connection : public connection {

- public:

- scoped_connection() : connection(), released(false) {}

- scoped_connection(const connection&);

- scoped_connection(const scoped_connection&);

- ~scoped_connection();

-

- connection release();

-

- inline void swap(scoped_connection&);

-

- scoped_connection& operator=(const connection&);

- scoped_connection& operator=(const scoped_connection&);

-

- private:

- bool released;

- };

-

- namespace detail {

- struct connection_slot_pair {

- connection first;

- any second;

-

- connection_slot_pair() {}

-

- connection_slot_pair(const connection& c, const any& a)

- : first(c), second(a)

- {

- }

-

- // Dummys to allow explicit instantiation to work

- bool operator==(const connection_slot_pair&) const { return false; }

- bool operator<(const connection_slot_pair&) const { return false;}

- };

-

- // Determines if the underlying connection is disconnected

- struct is_disconnected {

- typedef connection_slot_pair argument_type;

- typedef bool result_type;

-

- inline bool operator()(const argument_type& c) const

- {

- return !c.first.connected();

- }

- };

-

- // Determines if the underlying connection is callable, ie if

- // it is connected and not blocked

- struct is_callable {

- typedef connection_slot_pair argument_type;

- typedef bool result_type;

-

- inline bool operator()(const argument_type& c) const

- {

- return c.first.connected() && !c.first.blocked() ;

- }

- };

-

- // Autodisconnects the bound object when it is destroyed unless the

- // release method is invoked.

- class auto_disconnect_bound_object {

- public:

- auto_disconnect_bound_object(const bound_object& b) :

- binding(b), auto_disconnect(true)

- {

- }

-

- ~auto_disconnect_bound_object()

- {

- if (auto_disconnect)

- binding.disconnect(binding.obj, binding.data);

- }

-

- void release() { auto_disconnect = false; }

-

- private:

- bound_object binding;

- bool auto_disconnect;

- };

- } // end namespace detail

- } // end namespace BOOST_SIGNALS_NAMESPACE

-} // end namespace boost

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-

-#endif // BOOST_SIGNALS_CONNECTION_HPP

-/*

- *

- * Copyright (c) 1998-2002

- * John Maddock

- *

- * Copyright (c) 2003-2004

- * Douglas Gregor

- *

- * 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)

- *

- */

-

-#ifndef BOOST_SIGNALS_CONFIG_HPP

-#define BOOST_SIGNALS_CONFIG_HPP

-

-#include <boost/config.hpp>

-

-#ifdef BOOST_HAS_DECLSPEC

-# if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SIGNALS_DYN_LINK)

-# ifdef BOOST_SIGNALS_SOURCE

-# define BOOST_SIGNALS_DECL __declspec(dllexport)

-# else

-# define BOOST_SIGNALS_DECL __declspec(dllimport)

-# endif // BOOST_SIGNALS_SOURCE

-# endif // DYN_LINK

-#endif // BOOST_HAS_DECLSPEC

-

-#ifndef BOOST_SIGNALS_DECL

-# define BOOST_SIGNALS_DECL

-#endif

-

-// Setup autolinking

-#if !defined(BOOST_SIGNALS_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_SIGNALS_NO_LIB)

-# define BOOST_LIB_NAME boost_signals

-

-# if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SIGNALS_DYN_LINK)

-# define BOOST_DYN_LINK

-# endif

-

-# include <boost/config/auto_link.hpp>

-#endif // autolinking on

-

-#endif // BOOST_SIGNALS_CONFIG_HPP

-

-

-

-

-

-

-

-

-

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_NAMED_SLOT_MAP_HPP

-#define BOOST_SIGNALS_NAMED_SLOT_MAP_HPP

-

-#include <boost/signals/detail/config.hpp>

-#include <boost/signals/detail/signals_common.hpp>

-#include <boost/signals/connection.hpp>

-#include <boost/utility.hpp>

-#include <boost/shared_ptr.hpp>

-#include <boost/function/function2.hpp>

-#include <boost/iterator/iterator_facade.hpp>

-#include <map>

-#include <memory>

-#include <utility>

-

-namespace boost { namespace BOOST_SIGNALS_NAMESPACE {

-

-enum connect_position { at_back, at_front };

-

-namespace detail {

-

-class stored_group

-{

- public:

- enum storage_kind { sk_empty, sk_front, sk_back, sk_group };

-

- stored_group(storage_kind kind = sk_empty) : kind(kind), group() { }

-

- template<typename T>

- stored_group(const T& group) : kind(sk_group), group(new T(group)) { }

-

- bool is_front() const { return kind == sk_front; }

- bool is_back() const { return kind == sk_back; }

- bool empty() const { return kind == sk_empty; }

-

- void* get() const { return group.get(); }

-

- private:

- storage_kind kind;

- shared_ptr<void> group;

-};

-

-typedef function2<bool, stored_group, stored_group> compare_type;

-

-// This function object bridges from a pair of any objects that hold

-// values of type Key to the underlying function object that compares

-// values of type Key.

-template<typename Compare, typename Key>

-class group_bridge_compare {

-public:

- typedef bool result_type;

- typedef const stored_group& first_argument_type;

- typedef const stored_group& second_argument_type;

-

- group_bridge_compare(const Compare& c) : comp(c)

- { }

-

- bool operator()(const stored_group& k1, const stored_group& k2) const

- {

- if (k1.is_front()) return !k2.is_front();

- if (k1.is_back()) return false;

- if (k2.is_front()) return false;

- if (k2.is_back()) return true;

-

- // Neither is empty, so compare their values to order them

- return comp(*static_cast<Key*>(k1.get()), *static_cast<Key*>(k2.get()));

- }

-

-private:

- Compare comp;

-};

-

-class BOOST_SIGNALS_DECL named_slot_map_iterator :

- public iterator_facade<named_slot_map_iterator,

- connection_slot_pair,

- forward_traversal_tag>

-{

- typedef std::list<connection_slot_pair> group_list;

- typedef group_list::iterator slot_pair_iterator;

- typedef std::map<stored_group, group_list, compare_type> slot_container_type;

- typedef slot_container_type::iterator group_iterator;

- typedef slot_container_type::const_iterator const_group_iterator;

-

- typedef iterator_facade<named_slot_map_iterator,

- connection_slot_pair,

- forward_traversal_tag> inherited;

-public:

- named_slot_map_iterator() : slot_assigned(false)

- { }

- named_slot_map_iterator(const named_slot_map_iterator& other)

- : group(other.group), last_group(other.last_group),

- slot_assigned(other.slot_assigned)

- {

- if (slot_assigned) slot_ = other.slot_;

- }

- named_slot_map_iterator& operator=(const named_slot_map_iterator& other)

- {

- slot_assigned = other.slot_assigned;

- group = other.group;

- last_group = other.last_group;

- if (slot_assigned) slot_ = other.slot_;

- return *this;

- }

- connection_slot_pair& dereference() const

- {

- return *slot_;

- }

- void increment()

- {

- ++slot_;

- if (slot_ == group->second.end()) {

- ++group;

- init_next_group();

- }

- }

- bool equal(const named_slot_map_iterator& other) const {

- return (group == other.group

- && (group == last_group

- || slot_ == other.slot_));

- }

-

-#if BOOST_WORKAROUND(_MSC_VER, <= 1500)

- void decrement();

- void advance(difference_type);

-#endif

-

-private:

- named_slot_map_iterator(group_iterator group, group_iterator last) :

- group(group), last_group(last), slot_assigned(false)

- { init_next_group(); }

- named_slot_map_iterator(group_iterator group, group_iterator last,

- slot_pair_iterator slot) :

- group(group), last_group(last), slot_(slot), slot_assigned(true)

- { }

-

- void init_next_group()

- {

- while (group != last_group && group->second.empty()) ++group;

- if (group != last_group) {

- slot_ = group->second.begin();

- slot_assigned = true;

- }

- }

-

- group_iterator group;

- group_iterator last_group;

- slot_pair_iterator slot_;

- bool slot_assigned;

-

- friend class named_slot_map;

-};

-

-class BOOST_SIGNALS_DECL named_slot_map

-{

-public:

- typedef named_slot_map_iterator iterator;

-

- named_slot_map(const compare_type& compare);

-

- void clear();

- iterator begin();

- iterator end();

- iterator insert(const stored_group& name, const connection& con,

- const any& slot, connect_position at);

- void disconnect(const stored_group& name);

- void erase(iterator pos);

- void remove_disconnected_slots();

-

-private:

- typedef std::list<connection_slot_pair> group_list;

- typedef std::map<stored_group, group_list, compare_type> slot_container_type;

- typedef slot_container_type::iterator group_iterator;

- typedef slot_container_type::const_iterator const_group_iterator;

-

- bool empty(const_group_iterator group) const

- {

- return (group->second.empty() && group != groups.begin() && group != back);

- }

- slot_container_type groups;

- group_iterator back;

-};

-

-} } }

-

-#endif // BOOST_SIGNALS_NAMED_SLOT_MAP_HPP

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL_BASE_HEADER

-#define BOOST_SIGNALS_SIGNAL_BASE_HEADER

-

-#include <boost/signals/detail/config.hpp>

-#include <boost/signals/detail/signals_common.hpp>

-#include <boost/signals/detail/named_slot_map.hpp>

-#include <boost/signals/connection.hpp>

-#include <boost/signals/trackable.hpp>

-#include <boost/signals/slot.hpp>

-#include <boost/smart_ptr.hpp>

-#include <boost/utility.hpp>

-#include <boost/function/function2.hpp>

-#include <utility>

-#include <vector>

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-namespace boost {

- namespace BOOST_SIGNALS_NAMESPACE {

- namespace detail {

- // Must be constructed before calling the slots, because it safely

- // manages call depth

- class BOOST_SIGNALS_DECL call_notification {

- public:

- call_notification(const shared_ptr<signal_base_impl>&);

- ~call_notification();

-

- shared_ptr<signal_base_impl> impl;

- };

-

- // Implementation of base class for all signals. It handles the

- // management of the underlying slot lists.

- class BOOST_SIGNALS_DECL signal_base_impl {

- public:

- friend class call_notification;

-

- typedef function2<bool, stored_group, stored_group> compare_type;

-

- // Make sure that an exception does not cause the "clearing" flag to

- // remain set

- class temporarily_set_clearing {

- public:

- temporarily_set_clearing(signal_base_impl* b) : base(b)

- {

- base->flags.clearing = true;

- }

-

- ~temporarily_set_clearing()

- {

- base->flags.clearing = false;

- }

-

- private:

- signal_base_impl* base;

- };

-

- friend class temporarily_set_clearing;

-

- signal_base_impl(const compare_type&, const any&);

- ~signal_base_impl();

-

- // Disconnect all slots connected to this signal

- void disconnect_all_slots();

-

- // Are there any connected slots?

- bool empty() const;

-

- // The number of connected slots

- std::size_t num_slots() const;

-

- // Disconnect all slots in the given group

- void disconnect(const stored_group&);

-

- // We're being notified that a slot has disconnected

- static void slot_disconnected(void* obj, void* data);

-

- connection connect_slot(const any& slot,

- const stored_group& name,

- shared_ptr<slot_base::data_t> data,

- connect_position at);

-

- private:

- // Remove all of the slots that have been marked "disconnected"

- void remove_disconnected_slots() const;

-

- public:

- // Our call depth when invoking slots (> 1 when we have a loop)

- mutable int call_depth;

-

- struct {

- // True if some slots have disconnected, but we were not able to

- // remove them from the list of slots because there are valid

- // iterators into the slot list

- mutable bool delayed_disconnect:1;

-

- // True if we are disconnecting all disconnected slots

- bool clearing:1;

- } flags;

-

- // Slots

- mutable named_slot_map slots_;

- any combiner_;

-

- // Types

- typedef named_slot_map::iterator iterator;

- };

-

- class BOOST_SIGNALS_DECL signal_base : public noncopyable {

- public:

- typedef signal_base_impl::compare_type compare_type;

-

- friend class call_notification;

-

- signal_base(const compare_type& comp, const any& combiner);

- ~signal_base();

-

- public:

- // Disconnect all slots connected to this signal

- void disconnect_all_slots() { impl->disconnect_all_slots(); }

-

- // Are there any connected slots?

- bool empty() const { return impl->empty(); }

-

- // How many slots are connected?

- std::size_t num_slots() const { return impl->num_slots(); }

-

- protected:

- connection connect_slot(const any& slot,

- const stored_group& name,

- shared_ptr<slot_base::data_t> data,

- connect_position at)

- {

- return impl->connect_slot(slot, name, data, at);

- }

-

- typedef named_slot_map::iterator iterator;

-

- shared_ptr<signal_base_impl> impl;

- };

- } // end namespace detail

- } // end namespace BOOST_SIGNALS_NAMESPACE

-} // end namespace boost

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-

-#endif // BOOST_SIGNALS_SIGNAL_BASE_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_COMMON_HEADER

-#define BOOST_SIGNALS_COMMON_HEADER

-

-#ifndef BOOST_SIGNALS_NAMESPACE

-# define BOOST_SIGNALS_NAMESPACE signals

-#endif

-

-#include <boost/type_traits/conversion_traits.hpp>

-#include <boost/ref.hpp>

-#include <boost/signals/detail/config.hpp>

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-namespace boost {

- namespace BOOST_SIGNALS_NAMESPACE {

- namespace detail {

- // The unusable class is a placeholder for unused function arguments

- // It is also completely unusable except that it constructable from

- // anything. This helps compilers without partial specialization

- // handle slots returning void.

- struct unusable {

- unusable() {}

- };

-

- // Determine the result type of a slot call

- template<typename R>

- struct slot_result_type {

- typedef R type;

- };

-

- template<>

- struct slot_result_type<void> {

- typedef unusable type;

- };

-

- // Determine if the given type T is a signal

- class signal_base;

-

- template<typename T>

- struct is_signal {

- BOOST_STATIC_CONSTANT(bool,

- value = (is_convertible<T*, signal_base*>::value));

- };

-

- /*

- * The IF implementation is temporary code. When a Boost metaprogramming

- * library is introduced, Boost.Signals will use it instead.

- */

- namespace intimate {

- struct SelectThen

- {

- template<typename Then, typename Else>

- struct Result

- {

- typedef Then type;

- };

- };

-

- struct SelectElse

- {

- template<typename Then, typename Else>

- struct Result

- {

- typedef Else type;

- };

- };

-

- template<bool Condition>

- struct Selector

- {

- typedef SelectThen type;

- };

-

- template<>

- struct Selector<false>

- {

- typedef SelectElse type;

- };

- } // end namespace intimate

-

- template<bool Condition, typename Then, typename Else>

- struct IF

- {

- typedef typename intimate::Selector<Condition>::type select;

- typedef typename select::template Result<Then,Else>::type type;

- };

-

- // Determine if the incoming argument is a reference_wrapper

-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

- template<typename T>

- struct is_ref

- {

- BOOST_STATIC_CONSTANT(bool, value = false);

- };

-

- template<typename T>

- struct is_ref<reference_wrapper<T> >

- {

- BOOST_STATIC_CONSTANT(bool, value = true);

- };

-#else // no partial specialization

- typedef char yes_type;

- typedef double no_type;

-

- no_type is_ref_tester(...);

-

- template<typename T>

- yes_type is_ref_tester(reference_wrapper<T>*);

-

- template<typename T>

- struct is_ref

- {

- static T* t;

- BOOST_STATIC_CONSTANT(bool,

- value = (sizeof(is_ref_tester(t)) == sizeof(yes_type)));

- };

-#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

-

- // A slot can be a signal, a reference to a function object, or a

- // function object.

- struct signal_tag {};

- struct reference_tag {};

- struct value_tag {};

-

- // Classify the given slot as a signal, a reference-to-slot, or a

- // standard slot

- template<typename S>

- class get_slot_tag {

- typedef typename IF<(is_signal<S>::value),

- signal_tag,

- value_tag>::type signal_or_value;

-

- public:

- typedef typename IF<(is_ref<S>::value),

- reference_tag,

- signal_or_value>::type type;

- };

-

- // Forward declaration needed in lots of places

- class signal_base_impl;

- class bound_objects_visitor;

- class slot_base;

- } // end namespace detail

- } // end namespace BOOST_SIGNALS_NAMESPACE

-} // end namespace boost

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-

-#endif // BOOST_SIGNALS_COMMON_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SLOT_CALL_ITERATOR

-#define BOOST_SIGNALS_SLOT_CALL_ITERATOR

-

-#include <memory>

-#include <boost/iterator/iterator_facade.hpp>

-#include <boost/smart_ptr.hpp>

-#include <boost/signals/detail/config.hpp>

-#include <boost/signals/connection.hpp>

-#include <boost/optional.hpp>

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-namespace boost {

- namespace BOOST_SIGNALS_NAMESPACE {

- namespace detail {

-

- // Generates a slot call iterator. Essentially, this is an iterator that:

- // - skips over disconnected slots in the underlying list

- // - calls the connected slots when dereferenced

- // - caches the result of calling the slots

- template<typename Function, typename Iterator>

- class slot_call_iterator

- : public iterator_facade<slot_call_iterator<Function, Iterator>,

- typename Function::result_type,

- single_pass_traversal_tag,

- typename Function::result_type const&>

- {

- typedef iterator_facade<slot_call_iterator<Function, Iterator>,

- typename Function::result_type,

- single_pass_traversal_tag,

- typename Function::result_type const&>

- inherited;

-

- typedef typename Function::result_type result_type;

-

- friend class iterator_core_access;

-

- public:

- slot_call_iterator(Iterator iter_in, Iterator end_in, Function f,

- optional<result_type> &c)

- : iter(iter_in), end(end_in), f(f), cache(&c)

- {

- iter = std::find_if(iter, end, is_callable());

- }

-

- typename inherited::reference

- dereference() const

- {

- if (!cache->is_initialized()) {

- cache->reset(f(*iter));

- }

-

- return cache->get();

- }

-

- void increment()

- {

- iter = std::find_if(++iter, end, is_callable());

- cache->reset();

- }

-

- bool equal(const slot_call_iterator& other) const

- {

- iter = std::find_if(iter, end, is_callable());

- other.iter = std::find_if(other.iter, other.end,

- is_callable());

- return iter == other.iter;

- }

-

- private:

- mutable Iterator iter;

- Iterator end;

- Function f;

- optional<result_type>* cache;

- };

- } // end namespace detail

- } // end namespace BOOST_SIGNALS_NAMESPACE

-} // end namespace boost

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-

-#endif // BOOST_SIGNALS_SLOT_CALL_ITERATOR

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL0_HEADER

-#define BOOST_SIGNALS_SIGNAL0_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 0

-#define BOOST_SIGNALS_TEMPLATE_PARMS

-#define BOOST_SIGNALS_TEMPLATE_ARGS

-#define BOOST_SIGNALS_PARMS

-#define BOOST_SIGNALS_ARGS

-#define BOOST_SIGNALS_BOUND_ARGS

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS

-#define BOOST_SIGNALS_COPY_PARMS

-#define BOOST_SIGNALS_INIT_ARGS

-#define BOOST_SIGNALS_ARG_TYPES

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL0_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL1_HEADER

-#define BOOST_SIGNALS_SIGNAL1_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 1

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1

-#define BOOST_SIGNALS_PARMS T1 a1

-#define BOOST_SIGNALS_ARGS a1

-#define BOOST_SIGNALS_BOUND_ARGS args->a1

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL1_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL10_HEADER

-#define BOOST_SIGNALS_SIGNAL10_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 10

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7, T8, T9, T10

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7, T8 a8, T9 a9, T10 a10

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7, a8, a9, a10

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7, args->a8, args->a9, args->a10

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;T8 a8;T9 a9;T10 a10;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7, T8 ia8, T9 ia9, T10 ia10

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7), a8(ia8), a9(ia9), a10(ia10)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type; typedef T5 arg6_type; typedef T6 arg7_type; typedef T7 arg8_type; typedef T8 arg9_type; typedef T9 arg10_type; typedef T10 arg11_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL10_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL2_HEADER

-#define BOOST_SIGNALS_SIGNAL2_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 2

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2

-#define BOOST_SIGNALS_ARGS a1, a2

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL2_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL3_HEADER

-#define BOOST_SIGNALS_SIGNAL3_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 3

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3

-#define BOOST_SIGNALS_ARGS a1, a2, a3

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL3_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL4_HEADER

-#define BOOST_SIGNALS_SIGNAL4_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 4

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL4_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL5_HEADER

-#define BOOST_SIGNALS_SIGNAL5_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 5

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type; typedef T5 arg6_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL5_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL6_HEADER

-#define BOOST_SIGNALS_SIGNAL6_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 6

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type; typedef T5 arg6_type; typedef T6 arg7_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL6_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL7_HEADER

-#define BOOST_SIGNALS_SIGNAL7_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 7

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type; typedef T5 arg6_type; typedef T6 arg7_type; typedef T7 arg8_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL7_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL8_HEADER

-#define BOOST_SIGNALS_SIGNAL8_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 8

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7, T8

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7, T8 a8

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7, a8

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7, args->a8

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;T8 a8;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7, T8 ia8

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7), a8(ia8)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type; typedef T5 arg6_type; typedef T6 arg7_type; typedef T7 arg8_type; typedef T8 arg9_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL8_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2003. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SIGNAL9_HEADER

-#define BOOST_SIGNALS_SIGNAL9_HEADER

-

-#define BOOST_SIGNALS_NUM_ARGS 9

-#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9

-#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7, T8, T9

-#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7, T8 a8, T9 a9

-#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7, a8, a9

-#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7, args->a8, args->a9

-#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;T8 a8;T9 a9;

-#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7, T8 ia8, T9 ia9

-#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7), a8(ia8), a9(ia9)

-#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg2_type; typedef T2 arg3_type; typedef T3 arg4_type; typedef T4 arg5_type; typedef T5 arg6_type; typedef T6 arg7_type; typedef T7 arg8_type; typedef T8 arg9_type; typedef T9 arg10_type;

-

-#include <boost/signals/signal_template.hpp>

-

-#undef BOOST_SIGNALS_ARG_TYPES

-#undef BOOST_SIGNALS_INIT_ARGS

-#undef BOOST_SIGNALS_COPY_PARMS

-#undef BOOST_SIGNALS_ARGS_AS_MEMBERS

-#undef BOOST_SIGNALS_BOUND_ARGS

-#undef BOOST_SIGNALS_ARGS

-#undef BOOST_SIGNALS_PARMS

-#undef BOOST_SIGNALS_TEMPLATE_ARGS

-#undef BOOST_SIGNALS_TEMPLATE_PARMS

-#undef BOOST_SIGNALS_NUM_ARGS

-

-#endif // BOOST_SIGNALS_SIGNAL9_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-// This file intentionally does not have include guards, because it is meant

-// to be included multiple times (one for each signalN class). The

-// BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED macro merely serves to

-// suppress reinclusion of the files that this header depends on.

-

-#ifndef BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED

-#define BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED

-# include <boost/config.hpp>

-# include <boost/signals/connection.hpp>

-# include <boost/utility.hpp>

-# include <boost/ref.hpp>

-# include <boost/signals/slot.hpp>

-# include <boost/last_value.hpp>

-# include <boost/signals/detail/signal_base.hpp>

-# include <boost/signals/detail/slot_call_iterator.hpp>

-# include <boost/mpl/bool.hpp>

-# include <boost/type_traits/is_convertible.hpp>

-# include <cassert>

-# include <functional>

-# include <memory>

-#endif // !BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-// Include the appropriate functionN header

-#define BOOST_SIGNAL_FUNCTION_N_HEADER BOOST_JOIN(<boost/function/function,BOOST_SIGNALS_NUM_ARGS.hpp>)

-#include BOOST_SIGNAL_FUNCTION_N_HEADER

-

-// Determine if a comma should follow a listing of the arguments/parameters

-#if BOOST_SIGNALS_NUM_ARGS == 0

-# define BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

-#else

-# define BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS ,

-#endif // BOOST_SIGNALS_NUM_ARGS > 0

-

-// Define class names used

-#define BOOST_SIGNALS_SIGNAL BOOST_JOIN(signal,BOOST_SIGNALS_NUM_ARGS)

-#define BOOST_SIGNALS_FUNCTION BOOST_JOIN(function,BOOST_SIGNALS_NUM_ARGS)

-#define BOOST_SIGNALS_ARGS_STRUCT BOOST_JOIN(args,BOOST_SIGNALS_NUM_ARGS)

-#define BOOST_SIGNALS_CALL_BOUND BOOST_JOIN(call_bound,BOOST_SIGNALS_NUM_ARGS)

-

-// Define commonly-used instantiations

-#define BOOST_SIGNALS_ARGS_STRUCT_INST \

- BOOST_SIGNALS_NAMESPACE::detail::BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>

-

-namespace boost {

- namespace BOOST_SIGNALS_NAMESPACE {

- namespace detail {

- // Holds the arguments for a bound slot call in a single place

- template<BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename Dummy = int>

- struct BOOST_SIGNALS_ARGS_STRUCT {

- BOOST_SIGNALS_ARGS_STRUCT(BOOST_SIGNALS_COPY_PARMS)

- BOOST_SIGNALS_INIT_ARGS

- {

- }

-

- BOOST_SIGNALS_ARGS_AS_MEMBERS

- };

-

- // Function object that calls the function object given to it, passing

- // the bound arguments along to that underlying function object

- template<typename R>

- struct BOOST_SIGNALS_CALL_BOUND {

- template<BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename F>

- struct caller {

- typedef BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>*

- args_type;

-

- args_type args;

-

- typedef R result_type;

-

- caller() {}

- caller(args_type a) : args(a) {}

-

- template<typename Pair>

- R operator()(const Pair& slot) const

- {

- F* target = const_cast<F*>(unsafe_any_cast<F>(&slot.second));

- return (*target)(BOOST_SIGNALS_BOUND_ARGS);

- }

- };

- };

-

- template<>

- struct BOOST_SIGNALS_CALL_BOUND<void> {

- template<BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename F>

- struct caller {

- typedef BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>*

- args_type;

-

- args_type args;

-

- typedef unusable result_type;

-

- caller(args_type a) : args(a) {}

-

- template<typename Pair>

- unusable operator()(const Pair& slot) const

- {

- F* target = const_cast<F*>(unsafe_any_cast<F>(&slot.second));

- (*target)(BOOST_SIGNALS_BOUND_ARGS);

- return unusable();

- }

- };

- };

- } // namespace detail

- } // namespace BOOST_SIGNALS_NAMESPACE

-

- // The actual signalN class

- template<

- typename R,

- BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename Combiner = last_value<R>,

- typename Group = int,

- typename GroupCompare = std::less<Group>,

- typename SlotFunction = BOOST_SIGNALS_FUNCTION<

- R BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- BOOST_SIGNALS_TEMPLATE_ARGS>

- >

- class BOOST_SIGNALS_SIGNAL :

- public BOOST_SIGNALS_NAMESPACE::detail::signal_base, // management of slot list

- public BOOST_SIGNALS_NAMESPACE::trackable // signals are trackable

- {

- public:

- // The slot function type

- typedef SlotFunction slot_function_type;

-

- // Result type of a slot

- typedef typename BOOST_SIGNALS_NAMESPACE::detail::slot_result_type<R>::type

- slot_result_type;

-

- // Argument types

- BOOST_SIGNALS_ARG_TYPES

-

-#if BOOST_SIGNALS_NUM_ARGS == 1

- typedef T1 argument_type;

-#elif BOOST_SIGNALS_NUM_ARGS == 2

- typedef T1 first_argument_type;

- typedef T2 second_argument_type;

-#endif

-

- private:

- // The real slot name comparison object type

- typedef BOOST_SIGNALS_NAMESPACE::detail::group_bridge_compare<GroupCompare, Group>

- real_group_compare_type;

-

- // The function object passed to the slot call iterator that will call

- // the underlying slot function with its arguments bound

- typedef BOOST_SIGNALS_NAMESPACE::detail::BOOST_SIGNALS_CALL_BOUND<R>

- outer_bound_slot_caller;

- typedef typename outer_bound_slot_caller::template

- caller<BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- slot_function_type>

- call_bound_slot;

-

- public:

- // Combiner's result type

- typedef typename Combiner::result_type result_type;

-

- // Combiner type

- typedef Combiner combiner_type;

-

- // Slot type

- typedef slot<slot_function_type> slot_type;

-

- // Slot name type and comparison

- typedef Group group_type;

- typedef GroupCompare group_compare_type;

-

- typedef BOOST_SIGNALS_NAMESPACE::detail::slot_call_iterator<

- call_bound_slot, iterator> slot_call_iterator;

-

- explicit

- BOOST_SIGNALS_SIGNAL(const Combiner& c = Combiner(),

- const GroupCompare& comp = GroupCompare()) :

- BOOST_SIGNALS_NAMESPACE::detail::signal_base(real_group_compare_type(comp),

- c)

- {

- }

-

- // Connect a slot to this signal

- BOOST_SIGNALS_NAMESPACE::connection

- connect(const slot_type&,

- BOOST_SIGNALS_NAMESPACE::connect_position at

- = BOOST_SIGNALS_NAMESPACE::at_back);

-

-

- BOOST_SIGNALS_NAMESPACE::connection

- connect(const group_type&, const slot_type&,

- BOOST_SIGNALS_NAMESPACE::connect_position at

- = BOOST_SIGNALS_NAMESPACE::at_back);

-

-#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)

- // MSVC 6.0 and 7.0 don't handle the is_convertible test well

- void disconnect(const group_type& group)

- {

- impl->disconnect(group);

- }

-#else

- template<typename T>

- void disconnect(const T& t)

- {

- typedef mpl::bool_<(is_convertible<T, group_type>::value)> is_group;

- this->do_disconnect(t, is_group());

- }

-

- private:

- // Disconnect a named slot

- void do_disconnect(const group_type& group, mpl::bool_<true>)

- {

- impl->disconnect(group);

- }

-

- template<typename Function>

- void do_disconnect(const Function& f, mpl::bool_<false>)

- {

- // Notify the slot handling code that we are iterating through the slots

- BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl);

-

- for (iterator i = impl->slots_.begin(); i != impl->slots_.end(); ++i) {

- slot_function_type& s = *unsafe_any_cast<slot_function_type>(&i->second);

- if (s == f) i->first.disconnect();

- }

- }

-#endif

-

- public:

-

- // Emit the signal

- result_type operator()(BOOST_SIGNALS_PARMS);

- result_type operator()(BOOST_SIGNALS_PARMS) const;

-

- Combiner& combiner()

- { return *unsafe_any_cast<Combiner>(&impl->combiner_); }

-

- const Combiner& combiner() const

- { return *unsafe_any_cast<const Combiner>(&impl->combiner_); }

- };

-

- template<

- typename R,

- BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename Combiner,

- typename Group,

- typename GroupCompare,

- typename SlotFunction

- >

- BOOST_SIGNALS_NAMESPACE::connection

- BOOST_SIGNALS_SIGNAL<

- R, BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- Combiner, Group, GroupCompare, SlotFunction

- >::connect(const slot_type& in_slot,

- BOOST_SIGNALS_NAMESPACE::connect_position at)

- {

- using boost::BOOST_SIGNALS_NAMESPACE::detail::stored_group;

-

- // If the slot has been disconnected, just return a disconnected

- // connection

- if (!in_slot.is_active()) {

- return BOOST_SIGNALS_NAMESPACE::connection();

- }

-

- return impl->connect_slot(in_slot.get_slot_function(), stored_group(),

- in_slot.get_data(), at);

- }

-

- template<

- typename R,

- BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename Combiner,

- typename Group,

- typename GroupCompare,

- typename SlotFunction

- >

- BOOST_SIGNALS_NAMESPACE::connection

- BOOST_SIGNALS_SIGNAL<

- R, BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- Combiner, Group, GroupCompare, SlotFunction

- >::connect(const group_type& group,

- const slot_type& in_slot,

- BOOST_SIGNALS_NAMESPACE::connect_position at)

- {

- // If the slot has been disconnected, just return a disconnected

- // connection

- if (!in_slot.is_active()) {

- return BOOST_SIGNALS_NAMESPACE::connection();

- }

-

- return impl->connect_slot(in_slot.get_slot_function(), group,

- in_slot.get_data(), at);

- }

-

- template<

- typename R,

- BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename Combiner,

- typename Group,

- typename GroupCompare,

- typename SlotFunction

- >

- typename BOOST_SIGNALS_SIGNAL<

- R, BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- Combiner, Group, GroupCompare, SlotFunction>::result_type

- BOOST_SIGNALS_SIGNAL<

- R, BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- Combiner, Group, GroupCompare, SlotFunction

- >::operator()(BOOST_SIGNALS_PARMS)

- {

- // Notify the slot handling code that we are making a call

- BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl);

-

- // Construct a function object that will call the underlying slots

- // with the given arguments.

-#if BOOST_SIGNALS_NUM_ARGS == 0

- BOOST_SIGNALS_ARGS_STRUCT_INST args;

-#else

- BOOST_SIGNALS_ARGS_STRUCT_INST args(BOOST_SIGNALS_ARGS);

-#endif // BOOST_SIGNALS_NUM_ARGS > 0

- call_bound_slot f(&args);

-

- typedef typename call_bound_slot::result_type result_type;

- optional<result_type> cache;

- // Let the combiner call the slots via a pair of input iterators

- return combiner()(slot_call_iterator(notification.impl->slots_.begin(),

- impl->slots_.end(), f, cache),

- slot_call_iterator(notification.impl->slots_.end(),

- impl->slots_.end(), f, cache));

- }

-

- template<

- typename R,

- BOOST_SIGNALS_TEMPLATE_PARMS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- typename Combiner,

- typename Group,

- typename GroupCompare,

- typename SlotFunction

- >

- typename BOOST_SIGNALS_SIGNAL<

- R, BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- Combiner, Group, GroupCompare, SlotFunction>::result_type

- BOOST_SIGNALS_SIGNAL<

- R, BOOST_SIGNALS_TEMPLATE_ARGS

- BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

- Combiner, Group, GroupCompare, SlotFunction

- >::operator()(BOOST_SIGNALS_PARMS) const

- {

- // Notify the slot handling code that we are making a call

- BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl);

-

- // Construct a function object that will call the underlying slots

- // with the given arguments.

-#if BOOST_SIGNALS_NUM_ARGS == 0

- BOOST_SIGNALS_ARGS_STRUCT_INST args;

-#else

- BOOST_SIGNALS_ARGS_STRUCT_INST args(BOOST_SIGNALS_ARGS);

-#endif // BOOST_SIGNALS_NUM_ARGS > 0

-

- call_bound_slot f(&args);

-

- typedef typename call_bound_slot::result_type result_type;

- optional<result_type> cache;

-

- // Let the combiner call the slots via a pair of input iterators

- return combiner()(slot_call_iterator(notification.impl->slots_.begin(),

- impl->slots_.end(), f, cache),

- slot_call_iterator(notification.impl->slots_.end(),

- impl->slots_.end(), f, cache));

- }

-} // namespace boost

-

-#undef BOOST_SIGNAL_FUNCTION_N_HEADER

-#undef BOOST_SIGNALS_ARGS_STRUCT_INST

-#undef BOOST_SIGNALS_CALL_BOUND

-#undef BOOST_SIGNALS_ARGS_STRUCT

-#undef BOOST_SIGNALS_FUNCTION

-#undef BOOST_SIGNALS_SIGNAL

-#undef BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_SLOT_HEADER

-#define BOOST_SIGNALS_SLOT_HEADER

-

-#include <boost/signals/detail/signals_common.hpp>

-#include <boost/signals/connection.hpp>

-#include <boost/signals/trackable.hpp>

-#include <boost/visit_each.hpp>

-#include <boost/shared_ptr.hpp>

-#include <cassert>

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-namespace boost {

- namespace BOOST_SIGNALS_NAMESPACE {

- namespace detail {

- class BOOST_SIGNALS_DECL slot_base {

- // We would have to enumerate all of the signalN classes here as

- // friends to make this private (as it otherwise should be). We can't

- // name all of them because we don't know how many there are.

- public:

- struct data_t {

- std::vector<const trackable*> bound_objects;

- connection watch_bound_objects;

- };

- shared_ptr<data_t> get_data() const { return data; }

-

- // Get the set of bound objects

- std::vector<const trackable*>& get_bound_objects() const

- { return data->bound_objects; }

-

- // Determine if this slot is still "active", i.e., all of the bound

- // objects still exist

- bool is_active() const

- { return data->watch_bound_objects.connected(); }

-

- protected:

- // Create a connection for this slot

- void create_connection();

-

- shared_ptr<data_t> data;

-

- private:

- static void bound_object_destructed(void*, void*) {}

- };

- } // end namespace detail

-

- // Get the slot so that it can be copied

- template<typename F>

- reference_wrapper<const F>

- get_invocable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::signal_tag)

- { return reference_wrapper<const F>(f); }

-

- template<typename F>

- const F&

- get_invocable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::reference_tag)

- { return f; }

-

- template<typename F>

- const F&

- get_invocable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::value_tag)

- { return f; }

-

- // Get the slot so that it can be inspected for trackable objects

- template<typename F>

- const F&

- get_inspectable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::signal_tag)

- { return f; }

-

- template<typename F>

- const F&

- get_inspectable_slot(const reference_wrapper<F>& f, BOOST_SIGNALS_NAMESPACE::detail::reference_tag)

- { return f.get(); }

-

- template<typename F>

- const F&

- get_inspectable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::value_tag)

- { return f; }

-

- // Determines the type of the slot - is it a signal, a reference to a

- // slot or just a normal slot.

- template<typename F>

- typename BOOST_SIGNALS_NAMESPACE::detail::get_slot_tag<F>::type

- tag_type(const F&)

- {

- typedef typename BOOST_SIGNALS_NAMESPACE::detail::get_slot_tag<F>::type

- the_tag_type;

- the_tag_type tag = the_tag_type();

- return tag;

- }

-

- } // end namespace BOOST_SIGNALS_NAMESPACE

-

- template<typename SlotFunction>

- class slot : public BOOST_SIGNALS_NAMESPACE::detail::slot_base {

- typedef BOOST_SIGNALS_NAMESPACE::detail::slot_base inherited;

- typedef typename inherited::data_t data_t;

-

- public:

- template<typename F>

- slot(const F& f) : slot_function(BOOST_SIGNALS_NAMESPACE::get_invocable_slot(f, BOOST_SIGNALS_NAMESPACE::tag_type(f)))

- {

- this->data.reset(new data_t);

-

- // Visit each of the bound objects and store them for later use

- // An exception thrown here will allow the basic_connection to be

- // destroyed when this goes out of scope, and no other connections

- // have been made.

- BOOST_SIGNALS_NAMESPACE::detail::bound_objects_visitor

- do_bind(this->data->bound_objects);

- visit_each(do_bind,

- BOOST_SIGNALS_NAMESPACE::get_inspectable_slot

- (f, BOOST_SIGNALS_NAMESPACE::tag_type(f)));

- create_connection();

- }

-

-#ifdef __BORLANDC__

- template<typename F>

- slot(F* f) : slot_function(f)

- {

- this->data.reset(new data_t);

- create_connection();

- }

-#endif // __BORLANDC__

-

- // We would have to enumerate all of the signalN classes here as friends

- // to make this private (as it otherwise should be). We can't name all of

- // them because we don't know how many there are.

- public:

- // Get the slot function to call the actual slot

- const SlotFunction& get_slot_function() const { return slot_function; }

-

- void release() const { data->watch_bound_objects.set_controlling(false); }

-

- private:

- slot(); // no default constructor

- slot& operator=(const slot&); // no assignment operator

-

- SlotFunction slot_function;

- };

-} // end namespace boost

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-

-#endif // BOOST_SIGNALS_SLOT_HEADER

-// Boost.Signals library

-

-// Copyright Douglas Gregor 2001-2004. Use, modification and

-// distribution is subject to 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)

-

-// For more information, see http://www.boost.org

-

-#ifndef BOOST_SIGNALS_TRACKABLE_HPP

-#define BOOST_SIGNALS_TRACKABLE_HPP

-

-#include <boost/type_traits.hpp>

-#include <boost/signals/connection.hpp>

-#include <boost/ref.hpp>

-#include <boost/utility/addressof.hpp>

-#include <list>

-#include <vector>

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_PREFIX

-#endif

-

-namespace boost {

-

-namespace BOOST_SIGNALS_NAMESPACE {

- // Base class for "trackable" objects that can be tracked when they are

- // bound in slot target functions. When a trackable object is destroyed,

- // the signal/slot connections are disconnected automatically.

- class BOOST_SIGNALS_DECL trackable {

- private:

- static void signal_disconnected(void* obj, void* data);

-

- friend class detail::signal_base_impl;

- friend class detail::slot_base;

- void signal_connected(connection, BOOST_SIGNALS_NAMESPACE::detail::bound_object&) const;

-

- protected:

- trackable() : connected_signals(), dying(false) {}

- trackable(const trackable&) : connected_signals(), dying(false) {}

- ~trackable();

-

- trackable& operator=(const trackable&)

- {

- dying = true;

- connected_signals.clear();

- dying = false;

- return *this;

- }

-

- private:

- typedef std::list<connection> connection_list;

- typedef connection_list::iterator connection_iterator;

-

- // List of connections that this object is part of

- mutable connection_list connected_signals;

-

- // True when the object is being destroyed

- mutable bool dying;

- };

-

- namespace detail {

- template<bool Cond> struct truth {};

-

- // A visitor that adds each trackable object to a vector

- class bound_objects_visitor {

- public:

- bound_objects_visitor(std::vector<const trackable*>& v) :

- bound_objects(v)

- {

- }

-

- template<typename T>

- void operator()(const T& t) const

- {

- decode(t, 0);

- }

-

- private:

- // decode() decides between a reference wrapper and anything else

- template<typename T>

- void decode(const reference_wrapper<T>& t, int) const

- {

- add_if_trackable(t.get_pointer());

- }

-

- template<typename T>

- void decode(const T& t, long) const

- {

- typedef truth<(is_pointer<T>::value)> is_a_pointer;

- maybe_get_pointer(t, is_a_pointer());

- }

-

- // maybe_get_pointer() decides between a pointer and a non-pointer

- template<typename T>

- void maybe_get_pointer(const T& t, truth<true>) const

- {

- add_if_trackable(t);

- }

-

- template<typename T>

- void maybe_get_pointer(const T& t, truth<false>) const

- {

- // Take the address of this object, because the object itself may be

- // trackable

- add_if_trackable(boost::addressof(t));

- }

-

- // add_if_trackable() adds trackable objects to the list of bound objects

- inline void add_if_trackable(const trackable* b) const

- {

- if (b) {

- bound_objects.push_back(b);

- }

- }

-

- inline void add_if_trackable(const void*) const { }

-

- template<typename R>

- inline void add_if_trackable(R (*)()) const { }

-

- template<typename R, typename T1>

- inline void add_if_trackable(R (*)(T1)) const { }

-

- template<typename R, typename T1, typename T2>

- inline void add_if_trackable(R (*)(T1, T2)) const { }

-

- template<typename R, typename T1, typename T2, typename T3>

- inline void add_if_trackable(R (*)(T1, T2, T3)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4>

- inline void add_if_trackable(R (*)(T1, T2, T3, T4)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4,

- typename T5>

- inline void add_if_trackable(R (*)(T1, T2, T3, T4, T5)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4,

- typename T5, typename T6>

- inline void add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4,

- typename T5, typename T6, typename T7>

- inline void add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4,

- typename T5, typename T6, typename T7, typename T8>

- inline void

- add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7, T8)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4,

- typename T5, typename T6, typename T7, typename T8, typename T9>

- inline void

- add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7, T8, T9)) const { }

-

- template<typename R, typename T1, typename T2, typename T3, typename T4,

- typename T5, typename T6, typename T7, typename T8, typename T9,

- typename T10>

- inline void

- add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)) const { }

-

- std::vector<const trackable*>& bound_objects;

- };

- } // end namespace detail

-} // end namespace BOOST_SIGNALS_NAMESPACE

-

-} // end namespace boost

-

-#ifdef BOOST_HAS_ABI_HEADERS

-# include BOOST_ABI_SUFFIX

-#endif

-

-#endif // BOOST_SIGNALS_TRACKABLE_HPP