demotool/common.cc
Emmanuel BENOîT 3344f96af0 "Interactive mode" for common code
This prevents the script manager and sync manager from watching/loading
their files unless they're explicitely started using
Common::SetInteractiveMode()

This will avoid having the whole thing loaded twice when running the
builder.
2017-12-28 17:16:39 +01:00

77 lines
1.6 KiB
C++

#include "externals.hh"
#include "common.hh"
#include "c-filewatcher.hh"
#include "c-opcomp.hh"
#include "c-ops.hh"
#include "c-project.hh"
#include "c-sync.hh"
#include "c-undo.hh"
namespace {
struct CommonData_
{
T_Project project;
T_FilesWatcher watcher;
T_SyncManager sync;
T_ScriptManager ops;
T_UndoManager undo;
CommonData_( T_FSPath const& path ) noexcept
: project{ path }
{}
};
uint32_t Initialised_{ 0 };
std::aligned_storage_t< sizeof( CommonData_ ) , alignof( CommonData_ ) > Instance_;
} // namespace <anon>
/*----------------------------------------------------------------------------*/
Common::Common(
T_FSPath const& path ) noexcept
{
if ( !Initialised_ ++ ) {
new ((char*)&Instance_) CommonData_( path );
}
}
Common::~Common( ) noexcept
{
assert( Initialised_ );
if ( !-- Initialised_ ) {
((CommonData_*)(char*)&Instance_)->~CommonData_( );
}
}
/*----------------------------------------------------------------------------*/
#define M_ACCESS_() ((CommonData_*)(char*)&Instance_)
#define M_GET_( P ) M_ACCESS_()->P
void Common::SetInteractiveMode( ) noexcept
{
auto* d{ M_ACCESS_( ) };
d->sync.enable( );
d->ops.enable( );
}
/*----------------------------------------------------------------------------*/
T_Project& Common::Project( ) noexcept
{ return M_GET_( project ); }
T_FilesWatcher& Common::Watcher( ) noexcept
{ return M_GET_( watcher ); }
T_SyncManager& Common::Sync( ) noexcept
{ return M_GET_( sync ); }
T_ScriptManager& Common::Ops( ) noexcept
{ return M_GET_( ops ); }
T_UndoManager& Common::Undo( ) noexcept
{ return M_GET_( undo ); }