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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/libs/signals/src
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Import.
Diffstat (limited to '3rdParty/Boost/libs/signals/src')
-rw-r--r--3rdParty/Boost/libs/signals/src/connection.cpp155
-rw-r--r--3rdParty/Boost/libs/signals/src/named_slot_map.cpp134
-rw-r--r--3rdParty/Boost/libs/signals/src/signal_base.cpp189
-rw-r--r--3rdParty/Boost/libs/signals/src/slot.cpp71
-rw-r--r--3rdParty/Boost/libs/signals/src/trackable.cpp59
5 files changed, 608 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
diff --git a/3rdParty/Boost/libs/signals/src/named_slot_map.cpp b/3rdParty/Boost/libs/signals/src/named_slot_map.cpp
new file mode 100644
index 0000000..85a4bda
--- /dev/null
+++ b/3rdParty/Boost/libs/signals/src/named_slot_map.cpp
@@ -0,0 +1,134 @@
+// 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/detail/named_slot_map.hpp>
+#include <cassert>
+#include <map>
+#include <list>
+#include <typeinfo>
+
+namespace boost { namespace BOOST_SIGNALS_NAMESPACE { namespace detail {
+
+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;
+
+
+#if BOOST_WORKAROUND(_MSC_VER, <= 1500)
+void named_slot_map_iterator::decrement() { assert(false); }
+void named_slot_map_iterator::advance(difference_type) { assert(false); }
+#endif
+
+named_slot_map::named_slot_map(const compare_type& compare) : groups(compare)
+{
+ clear();
+}
+
+void named_slot_map::clear()
+{
+ groups.clear();
+ groups[stored_group(stored_group::sk_front)];
+ groups[stored_group(stored_group::sk_back)];
+ back = groups.end();
+ --back;
+}
+
+named_slot_map::iterator named_slot_map::begin()
+{
+ return named_slot_map::iterator(groups.begin(), groups.end());
+}
+
+named_slot_map::iterator named_slot_map::end()
+{
+ return named_slot_map::iterator(groups.end(), groups.end());
+}
+
+named_slot_map::iterator
+named_slot_map::insert(const stored_group& name, const connection& con,
+ const any& slot, connect_position at)
+{
+ group_iterator group;
+ if (name.empty()) {
+ switch (at) {
+ case at_front: group = groups.begin(); break;
+ case at_back: group = back; break;
+ }
+ } else {
+ group = groups.find(name);
+ if (group == groups.end()) {
+ slot_container_type::value_type v(name, group_list());
+ group = groups.insert(v).first;
+ }
+ }
+ iterator it;
+ it.group = group;
+ it.last_group = groups.end();
+
+ switch (at) {
+ case at_back:
+ group->second.push_back(connection_slot_pair(con, slot));
+ it.slot_ = group->second.end();
+ it.slot_assigned = true;
+ --(it.slot_);
+ break;
+
+ case at_front:
+ group->second.push_front(connection_slot_pair(con, slot));
+ it.slot_ = group->second.begin();
+ it.slot_assigned = true;
+ break;
+ }
+ return it;
+}
+
+void named_slot_map::disconnect(const stored_group& name)
+{
+ group_iterator group = groups.find(name);
+ if (group != groups.end()) {
+ slot_pair_iterator i = group->second.begin();
+ while (i != group->second.end()) {
+ slot_pair_iterator next = i;
+ ++next;
+ i->first.disconnect();
+ i = next;
+ }
+ groups.erase(group);
+ }
+}
+
+void named_slot_map::erase(iterator pos)
+{
+ // Erase the slot
+ pos.slot_->first.disconnect();
+ pos.group->second.erase(pos.slot_);
+}
+
+void named_slot_map::remove_disconnected_slots()
+{
+ // Remove any disconnected slots
+ group_iterator g = groups.begin();
+ while (g != groups.end()) {
+ slot_pair_iterator s = g->second.begin();
+ while (s != g->second.end()) {
+ if (s->first.connected()) ++s;
+ else g->second.erase(s++);
+ }
+
+ // Clear out empty groups
+ if (empty(g)) groups.erase(g++);
+ else ++g;
+ }
+}
+
+
+} } }
diff --git a/3rdParty/Boost/libs/signals/src/signal_base.cpp b/3rdParty/Boost/libs/signals/src/signal_base.cpp
new file mode 100644
index 0000000..759672d
--- /dev/null
+++ b/3rdParty/Boost/libs/signals/src/signal_base.cpp
@@ -0,0 +1,189 @@
+// 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/detail/signal_base.hpp>
+#include <cassert>
+
+namespace boost {
+ namespace BOOST_SIGNALS_NAMESPACE {
+ namespace detail {
+ signal_base_impl::signal_base_impl(const compare_type& comp,
+ const any& combiner)
+ : call_depth(0),
+ slots_(comp),
+ combiner_(combiner)
+ {
+ flags.delayed_disconnect = false;
+ flags.clearing = false;
+ }
+
+ signal_base_impl::~signal_base_impl()
+ {
+ // Set the "clearing" flag to ignore extraneous disconnect requests,
+ // because all slots will be disconnected on destruction anyway.
+ flags.clearing = true;
+ }
+
+ void signal_base_impl::disconnect_all_slots()
+ {
+ // Do nothing if we're already clearing the slot list
+ if (flags.clearing)
+ return;
+
+ if (call_depth == 0) {
+ // Clearing the slot list will disconnect all slots automatically
+ temporarily_set_clearing set_clearing(this);
+ slots_.clear();
+ }
+ else {
+ // We can't actually remove elements from the slot list because there
+ // are still iterators into the slot list that must not be
+ // invalidated by this operation. So just disconnect each slot
+ // without removing it from the slot list. When the call depth does
+ // reach zero, the call list will be cleared.
+ flags.delayed_disconnect = true;
+ temporarily_set_clearing set_clearing(this);
+ for (iterator i = slots_.begin(); i != slots_.end(); ++i) {
+ i->first.disconnect();
+ }
+ }
+ }
+
+ connection
+ signal_base_impl::
+ connect_slot(const any& slot_,
+ const stored_group& name,
+ shared_ptr<slot_base::data_t> data,
+ connect_position at)
+ {
+ // Transfer the burden of ownership to a local, scoped
+ // connection.
+ data->watch_bound_objects.set_controlling(false);
+ scoped_connection safe_connection(data->watch_bound_objects);
+
+ // Allocate storage for an iterator that will hold the point of
+ // insertion of the slot into the list. This is used to later remove
+ // the slot when it is disconnected.
+ std::auto_ptr<iterator> saved_iter(new iterator);
+
+ // Add the slot to the list.
+ iterator pos =
+ slots_.insert(name, data->watch_bound_objects, slot_, at);
+
+ // The assignment operation here absolutely must not throw, which
+ // intuitively makes sense (because any container's insert method
+ // becomes impossible to use in an exception-safe manner without this
+ // assumption), but doesn't appear to be mentioned in the standard.
+ *saved_iter = pos;
+
+ // Fill out the connection object appropriately. None of these
+ // operations can throw
+ data->watch_bound_objects.get_connection()->signal = this;
+ data->watch_bound_objects.get_connection()->signal_data =
+ saved_iter.release();
+ data->watch_bound_objects.get_connection()->signal_disconnect =
+ &signal_base_impl::slot_disconnected;
+
+ // Make the copy of the connection in the list disconnect when it is
+ // destroyed. The local, scoped connection is then released
+ // because ownership has been transferred.
+ pos->first.set_controlling();
+ return safe_connection.release();
+ }
+
+ bool signal_base_impl::empty() const
+ {
+ // Disconnected slots may still be in the list of slots if
+ // a) this is called while slots are being invoked (call_depth > 0)
+ // b) an exception was thrown in remove_disconnected_slots
+ for (iterator i = slots_.begin(); i != slots_.end(); ++i) {
+ if (i->first.connected())
+ return false;
+ }
+
+ return true;
+ }
+
+ std::size_t signal_base_impl::num_slots() const
+ {
+ // Disconnected slots may still be in the list of slots if
+ // a) this is called while slots are being invoked (call_depth > 0)
+ // b) an exception was thrown in remove_disconnected_slots
+ std::size_t count = 0;
+ for (iterator i = slots_.begin(); i != slots_.end(); ++i) {
+ if (i->first.connected())
+ ++count;
+ }
+ return count;
+ }
+
+ void signal_base_impl::disconnect(const stored_group& group)
+ { slots_.disconnect(group); }
+
+ void signal_base_impl::slot_disconnected(void* obj, void* data)
+ {
+ signal_base_impl* self = reinterpret_cast<signal_base_impl*>(obj);
+
+ // We won't need the slot iterator after this
+ std::auto_ptr<iterator> slot(reinterpret_cast<iterator*>(data));
+
+ // If we're flags.clearing, we don't bother updating the list of slots
+ if (!self->flags.clearing) {
+ // If we're in a call, note the fact that a slot has been deleted so
+ // we can come back later to remove the iterator
+ if (self->call_depth > 0) {
+ self->flags.delayed_disconnect = true;
+ }
+ else {
+ // Just remove the slot now, it's safe
+ self->slots_.erase(*slot);
+ }
+ }
+ }
+
+ void signal_base_impl::remove_disconnected_slots() const
+ { slots_.remove_disconnected_slots(); }
+
+ call_notification::
+ call_notification(const shared_ptr<signal_base_impl>& b) :
+ impl(b)
+ {
+ // A call will be made, so increment the call depth as a notification
+ impl->call_depth++;
+ }
+
+ call_notification::~call_notification()
+ {
+ impl->call_depth--;
+
+ // If the call depth is zero and we have some slots that have been
+ // disconnected during the calls, remove those slots from the list
+ if (impl->call_depth == 0 &&
+ impl->flags.delayed_disconnect) {
+ impl->remove_disconnected_slots();
+ impl->flags.delayed_disconnect = false;
+ }
+ }
+
+ signal_base::signal_base(const compare_type& comp, const any& combiner)
+ : impl()
+ {
+ impl.reset(new signal_base_impl(comp, combiner));
+ }
+
+ signal_base::~signal_base()
+ {
+ }
+
+ } // namespace detail
+ } // namespace BOOST_SIGNALS_NAMESPACE
+} // namespace boost
+
diff --git a/3rdParty/Boost/libs/signals/src/slot.cpp b/3rdParty/Boost/libs/signals/src/slot.cpp
new file mode 100644
index 0000000..7c296d6
--- /dev/null
+++ b/3rdParty/Boost/libs/signals/src/slot.cpp
@@ -0,0 +1,71 @@
+// 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/slot.hpp>
+
+namespace boost {
+ namespace BOOST_SIGNALS_NAMESPACE {
+ namespace detail {
+ void slot_base::create_connection()
+ {
+ // Create a new connection object
+ basic_connection* con = new basic_connection();
+
+ /* nothrow */ {
+ // The signal portion isn't really necessary, except that we need a
+ // signal for the connection to be connected.
+ con->signal = static_cast<void*>(this);
+ con->signal_data = 0;
+ con->blocked_ = false ;
+ con->signal_disconnect = &bound_object_destructed;
+ }
+
+ // This connection watches for destruction of bound objects. Note
+ // that the reset routine will delete con if an allocation throws
+ data->watch_bound_objects.reset(con);
+
+ // We create a scoped connection, so that exceptions thrown while
+ // adding bound objects will cause a cleanup of the bound objects
+ // already connected.
+ scoped_connection safe_connection(data->watch_bound_objects);
+
+ // Now notify each of the bound objects that they are connected to this
+ // slot.
+ for(std::vector<const trackable*>::iterator i =
+ data->bound_objects.begin();
+ i != data->bound_objects.end(); ++i) {
+ // Notify the object that the slot is connecting to it
+ BOOST_SIGNALS_NAMESPACE::detail::bound_object binding;
+ (*i)->signal_connected(data->watch_bound_objects, binding);
+
+ // This will notify the bound object that the connection just made
+ // should be disconnected if an exception is thrown before the
+ // end of this iteration
+ BOOST_SIGNALS_NAMESPACE::detail::auto_disconnect_bound_object
+ disconnector(binding);
+
+ // Add the binding to the list of bindings for the connection
+ con->bound_objects.push_back(binding);
+
+ // The connection object now knows about the bound object, so if an
+ // exception is thrown later the connection object will notify the
+ // bound object of the disconnection automatically
+ disconnector.release();
+ }
+
+ // No exceptions will be thrown past this point.
+ safe_connection.release();
+
+ data->watch_bound_objects.set_controlling(true);
+ }
+ } // end namespace detail
+ } // end namespace BOOST_SIGNALS_NAMESPACE
+} // end namespace boost
diff --git a/3rdParty/Boost/libs/signals/src/trackable.cpp b/3rdParty/Boost/libs/signals/src/trackable.cpp
new file mode 100644
index 0000000..4f63586
--- /dev/null
+++ b/3rdParty/Boost/libs/signals/src/trackable.cpp
@@ -0,0 +1,59 @@
+// 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/trackable.hpp>
+#include <algorithm>
+
+namespace boost {
+ namespace BOOST_SIGNALS_NAMESPACE {
+ void trackable::signal_disconnected(void* obj, void* data)
+ {
+ trackable* self = reinterpret_cast<trackable*>(obj);
+ connection_iterator* signal =
+ reinterpret_cast<connection_iterator*>(data);
+
+ // If we're dying, don't bother erasing the connection from the list;
+ // it'll be gone anyway
+ if (!self->dying) {
+ self->connected_signals.erase(*signal);
+ }
+
+ // This iterator pointer won't ever be used again
+ delete signal;
+ }
+
+ void
+ trackable::signal_connected(connection c,
+ BOOST_SIGNALS_NAMESPACE::detail::bound_object& binding) const
+ {
+ // Insert the connection
+ connection_iterator pos =
+ connected_signals.insert(connected_signals.end(), c);
+
+ // Make this copy of the object disconnect when destroyed
+ pos->set_controlling();
+
+ binding.obj = const_cast<void*>(reinterpret_cast<const void*>(this));
+ binding.data = reinterpret_cast<void*>(new connection_iterator(pos));
+ binding.disconnect = &signal_disconnected;
+ }
+
+ trackable::~trackable()
+ {
+ dying = true;
+ }
+ } // end namespace BOOST_SIGNALS_NAMESPACE
+}
+
+#ifndef BOOST_MSVC
+// Explicit instantiations to keep in the library
+template class std::list<boost::BOOST_SIGNALS_NAMESPACE::connection>;
+#endif