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Diffstat (limited to '3rdParty/Boost/libs/signals/src/connection.cpp')
-rw-r--r-- | 3rdParty/Boost/libs/signals/src/connection.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/3rdParty/Boost/libs/signals/src/connection.cpp b/3rdParty/Boost/libs/signals/src/connection.cpp new file mode 100644 index 0000000..b4ed8b4 --- /dev/null +++ b/3rdParty/Boost/libs/signals/src/connection.cpp @@ -0,0 +1,155 @@ +// 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 + +#define BOOST_SIGNALS_SOURCE + +#include <boost/signals/connection.hpp> +#include <cassert> + +namespace boost { + namespace BOOST_SIGNALS_NAMESPACE { + + connection::connection(const connection& other) : + con(other.con), controlling_connection(other.controlling_connection) + { + } + + connection::~connection() + { + if (controlling_connection) { + disconnect(); + } + } + + void + connection::reset(BOOST_SIGNALS_NAMESPACE::detail::basic_connection* new_con) + { + con.reset(new_con); + } + + bool connection::operator==(const connection& other) const + { + return con.get() == other.con.get(); + } + + bool connection::operator<(const connection& other) const + { + return con.get() < other.con.get(); + } + + connection& connection::operator=(const connection& other) + { + connection(other).swap(*this); + return *this; + } + + void connection::swap(connection& other) + { + this->con.swap(other.con); + std::swap(this->controlling_connection, other.controlling_connection); + } + + void swap(connection& c1, connection& c2) + { + c1.swap(c2); + } + + scoped_connection::scoped_connection(const connection& other) : + connection(other), + released(false) + { + } + + scoped_connection::scoped_connection(const scoped_connection& other) : + connection(other), + released(other.released) + { + } + + scoped_connection::~scoped_connection() + { + if (!released) { + this->disconnect(); + } + } + + connection scoped_connection::release() + { + released = true; + return *this; + } + + void scoped_connection::swap(scoped_connection& other) + { + this->connection::swap(other); + bool other_released = other.released; + other.released = this->released; + this->released = other_released; + } + + void swap(scoped_connection& c1, scoped_connection& c2) + { + c1.swap(c2); + } + + scoped_connection& + scoped_connection::operator=(const connection& other) + { + scoped_connection(other).swap(*this); + return *this; + } + + scoped_connection& + scoped_connection::operator=(const scoped_connection& other) + { + scoped_connection(other).swap(*this); + return *this; + } + + void + connection::add_bound_object(const BOOST_SIGNALS_NAMESPACE::detail::bound_object& b) + { + assert(con.get() != 0); + con->bound_objects.push_back(b); + } + + + void connection::disconnect() const + { + if (this->connected()) { + // Make sure we have a reference to the basic_connection object, + // because 'this' may disappear + shared_ptr<detail::basic_connection> local_con = con; + + void (*signal_disconnect)(void*, void*) = local_con->signal_disconnect; + + // Note that this connection no longer exists + // Order is important here: we could get into an infinite loop if this + // isn't cleared before we try the disconnect. + local_con->signal_disconnect = 0; + + // Disconnect signal + signal_disconnect(local_con->signal, local_con->signal_data); + + // Disconnect all bound objects + typedef std::list<BOOST_SIGNALS_NAMESPACE::detail::bound_object>::iterator iterator; + for (iterator i = local_con->bound_objects.begin(); + i != local_con->bound_objects.end(); ++i) { + assert(i->disconnect != 0); + i->disconnect(i->obj, i->data); + } + } + } + } // end namespace boost +} // end namespace boost + +#ifndef BOOST_MSVC +// Explicit instantiations to keep everything in the library +template class std::list<boost::BOOST_SIGNALS_NAMESPACE::detail::bound_object>; +#endif |