#include <algorithm>
#include <msp/core/maputils.h>
+#include <msp/core/raii.h>
#include <msp/core/refptr.h>
#include <msp/datafile/parser.h>
#include <msp/datafile/writer.h>
Layout::Layout(Catalogue &c, Driver *d):
catalogue(c),
driver(d),
- next_turnout_addr(0x800)
+ next_turnout_addr(0x800),
+ emitting_block_reserved(false)
{
clock.set_rate(60);
}
void Layout::add(Object &o)
{
if(objects.insert(o))
- signal_object_added.emit(o);
+ {
+ try
+ {
+ signal_object_added.emit(o);
+ }
+ catch(...)
+ {
+ objects.erase(o);
+ throw;
+ }
+ }
}
void Layout::add(Track &t)
{
if(objects.insert(t))
{
- // Blocks must be recreated first
- create_blocks();
- signal_object_added.emit(t);
+ try
+ {
+ // Blocks must be recreated first
+ create_blocks();
+ signal_object_added.emit(t);
+ }
+ catch(...)
+ {
+ objects.erase(t);
+ create_blocks();
+ throw;
+ }
}
}
void Layout::add(TrackChain &g)
{
if(track_chains.insert(g))
- signal_track_chain_added.emit(g);
+ {
+ try
+ {
+ signal_track_chain_added.emit(g);
+ }
+ catch(...)
+ {
+ track_chains.erase(g);
+ throw;
+ }
+ }
}
void Layout::add(Block &b)
{
if(track_chains.insert(b))
{
- b.signal_reserved.connect(sigc::bind<0>(signal_block_reserved, sigc::ref(b)));
- signal_track_chain_added.emit(b);
+ sigc::connection conn = b.signal_reserved.connect(sigc::bind<0>(sigc::mem_fun(this, &Layout::block_reserved), sigc::ref(b)));
+ try
+ {
+ signal_track_chain_added.emit(b);
+ }
+ catch(...)
+ {
+ track_chains.erase(b);
+ conn.disconnect();
+ throw;
+ }
}
}
const set<Track *> &tracks = objects.get<Track>();
for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
if((*i)->get_type().is_turnout())
- writer.write((DataFile::Statement("turnout"), (*i)->get_turnout_address(), (*i)->get_active_path()));
+ {
+ DataFile::Statement st("turnout");
+ st.append((*i)->get_turnout_address());
+ (*i)->save_dynamic(st.sub);
+ writer.write(st);
+ }
for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
{
}
}
+void Layout::block_reserved(Block &block, Train *train)
+{
+ if(emitting_block_reserved)
+ block_reserve_queue.push_back(BlockReservation(block, train));
+ else
+ {
+ SetFlag setf(emitting_block_reserved);
+ signal_block_reserved.emit(block, train);
+ while(!block_reserve_queue.empty())
+ {
+ BlockReservation br = block_reserve_queue.front();
+ block_reserve_queue.pop_front();
+ signal_block_reserved.emit(br.block, br.train);
+ }
+ }
+}
+
template<typename B>
Layout::Storage<B>::~Storage()
}
+Layout::BlockReservation::BlockReservation(Block &b, Train *t):
+ block(b),
+ train(t)
+{ }
+
+
Layout::Loader::Loader(Layout &l):
DataFile::ObjectLoader<Layout>(l)
{
add("train", &Loader::train);
add("turnout", &Loader::turnout);
add("zone", &Loader::zone);
+
+ // Deprecated
+ add("turnout", &Loader::turnout2);
}
void Layout::Loader::beamgate()
load_sub(*trn);
}
-void Layout::Loader::turnout(unsigned addr, unsigned path)
+void Layout::Loader::turnout(unsigned addr)
+{
+ /* Kinda slow, but maintaining a map of turnouts seems more trouble than
+ it's worth at this point. */
+ const set<Track *> &tracks = obj.objects.get<Track>();
+ for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
+ if((*i)->get_turnout_address()==addr)
+ {
+ load_sub(**i);
+ return;
+ }
+
+ throw key_error(addr);
+}
+
+void Layout::Loader::turnout2(unsigned addr, unsigned path)
{
+ // XXX Discrepancy between ids and addresses
if(obj.driver)
obj.driver->set_turnout(addr, path);
}