coriolis/hurricane/src/configuration/ProxyProperty.cpp

136 lines
3.4 KiB
C++

// -*- C++ -*-
//
// This file is part of the Coriolis Software.
// Copyright (c) UPMC 2008-2018, All Rights Reserved
//
// +-----------------------------------------------------------------+
// | C O R I O L I S |
// | I s o b a r - Hurricane / Python Interface |
// | |
// | Authors : Jean-Paul CHAPUT |
// | E-mail : Jean-Paul.Chaput@asim.lip6.fr |
// | =============================================================== |
// | C++ Module : "./ProxyProperty.cpp" |
// +-----------------------------------------------------------------+
#include <iostream>
#include <sstream>
#include "hurricane/configuration/ProxyProperty.h"
#include "hurricane/Error.h"
#include "hurricane/Warning.h"
using namespace Hurricane;
namespace Isobar3 {
namespace {
using namespace std;
// ---------------------------------------------------------------
// Local Variables.
const char* twiceSetOffset =
"ProxyProperty::setOffset () :\n\n"
" Attempt to sets the _shadow member offset twice.\n";
}
// -------------------------------------------------------------------
// Class : "ProxyProperty".
Name ProxyProperty::_name = "Isobar3::ProxyProperty";
size_t ProxyProperty::_offset = (size_t)-1;
ProxyProperty::ProxyProperty ( void* shadow )
: Property()
, _owner (NULL)
, _shadow (shadow)
{
if (_offset == (size_t)-1)
throw Error( "ProxyProperty::ProxyProperty(): _offset has not been computed yet!" );
}
ProxyProperty* ProxyProperty::create ( void* shadow )
{
if (not shadow)
throw Error( "ProxyProperty::create(): Empty \"shadow\" argument." );
ProxyProperty* property = new ProxyProperty ( shadow );
if (not property)
throw Error( "ProxyProperty::create()" );
return property;
}
void ProxyProperty::_preDestroy ()
{
if (_owner) _owner->_onDestroyed( this );
cdebug_log(20,0) << "ProxyProperty::_owner: " << (void*)_owner << endl;
cdebug_log(20,0) << "ProxyProperty::_shadow: " << (void*)_shadow << endl;
if (_offset >= 0) {
void** shadowMember = ( (void**)( (size_t)_shadow + _offset ) );
cdebug_log(20,0) << "ProxyProperty::_shadowMember: " << (void*)*shadowMember << endl;
*shadowMember = NULL;
}
}
void ProxyProperty::onCapturedBy ( DBo* owner )
{
if ((_owner) and (_owner != owner) )
throw Error( getString(this).c_str() );
_owner = owner;
}
void ProxyProperty::onReleasedBy ( DBo* owner )
{ if (_owner == owner) onNotOwned (); }
void ProxyProperty::onNotOwned ()
{ destroy (); }
void ProxyProperty::setOffset ( size_t offset )
{
if (_offset != (size_t)-1) throw Error( twiceSetOffset );
_offset = offset;
}
string ProxyProperty::_getString () const
{
ostringstream os;
os << "<" << _getTypeName() << " ";
if ( _owner ) os << hex << (void*)_owner << " ";
else os << "[not owned] ";
os << _shadow << ">";
return os.str();
}
Record* ProxyProperty::_getRecord () const
{
Record* record = Property::_getRecord ();
if (record) {
record->add ( getSlot ( "_owner" , _owner ) );
record->add ( getSlot ( "_shadow", _shadow ) );
}
return ( record );
}
} // Isobar namespace.