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unison/src/contrib/attribute-iterator.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#include "attribute-iterator.h"
#include "ns3/config.h"
#include "ns3/log.h"
#include "ns3/pointer.h"
#include "ns3/object-vector.h"
#include "ns3/object-map.h"
#include "ns3/string.h"
#include <fstream>
NS_LOG_COMPONENT_DEFINE ("AttributeIterator");
namespace ns3 {
AttributeIterator::AttributeIterator ()
{
}
AttributeIterator::~AttributeIterator ()
{
}
void
AttributeIterator::Iterate (void)
{
for (uint32_t i = 0; i < Config::GetRootNamespaceObjectN (); ++i)
{
Ptr<Object> object = Config::GetRootNamespaceObject (i);
StartVisitObject (object);
DoIterate (object);
EndVisitObject ();
}
NS_ASSERT (m_currentPath.empty ());
NS_ASSERT (m_examined.empty ());
}
bool
AttributeIterator::IsExamined (Ptr<const Object> object)
{
for (uint32_t i = 0; i < m_examined.size (); ++i)
{
if (object == m_examined[i])
{
return true;
}
}
return false;
}
std::string
AttributeIterator::GetCurrentPath (std::string attr) const
{
std::ostringstream oss;
for (uint32_t i = 0; i < m_currentPath.size (); ++i)
{
oss << "/" << m_currentPath[i];
}
if (attr != "")
{
oss << "/" << attr;
}
return oss.str ();
}
std::string
AttributeIterator::GetCurrentPath (void) const
{
std::ostringstream oss;
for (uint32_t i = 0; i < m_currentPath.size (); ++i)
{
oss << "/" << m_currentPath[i];
}
return oss.str ();
}
void
AttributeIterator::DoStartVisitObject (Ptr<Object> object)
{
}
void
AttributeIterator::DoEndVisitObject (void)
{
}
void
AttributeIterator::DoStartVisitPointerAttribute (Ptr<Object> object, std::string name, Ptr<Object> item)
{
}
void
AttributeIterator::DoEndVisitPointerAttribute (void)
{
}
void
AttributeIterator::DoStartVisitArrayAttribute (Ptr<Object> object, std::string name, const ObjectVectorValue &vector)
{
}
void
AttributeIterator::DoEndVisitArrayAttribute (void)
{
}
void
AttributeIterator::DoStartVisitArrayItem (const ObjectVectorValue &vector, uint32_t index, Ptr<Object> item)
{
}
void
AttributeIterator::DoEndVisitArrayItem (void)
{
}
void
AttributeIterator::DoStartVisitMapAttribute (Ptr<Object> object, std::string name, const ObjectMapValue &map)
{
}
void
AttributeIterator::DoEndVisitMapAttribute (void)
{
}
void
AttributeIterator::DoStartVisitMapItem (const ObjectMapValue &vector, uint32_t index, Ptr<Object> item)
{
}
void
AttributeIterator::DoEndVisitMapItem (void)
{
}
void
AttributeIterator::VisitAttribute (Ptr<Object> object, std::string name)
{
m_currentPath.push_back (name);
DoVisitAttribute (object, name);
m_currentPath.pop_back ();
}
void
AttributeIterator::StartVisitObject (Ptr<Object> object)
{
m_currentPath.push_back ("$" + object->GetInstanceTypeId ().GetName ());
DoStartVisitObject (object);
}
void
AttributeIterator::EndVisitObject (void)
{
m_currentPath.pop_back ();
DoEndVisitObject ();
}
void
AttributeIterator::StartVisitPointerAttribute (Ptr<Object> object, std::string name, Ptr<Object> value)
{
m_currentPath.push_back (name);
m_currentPath.push_back ("$" + value->GetInstanceTypeId ().GetName ());
DoStartVisitPointerAttribute (object, name, value);
}
void
AttributeIterator::EndVisitPointerAttribute (void)
{
m_currentPath.pop_back ();
m_currentPath.pop_back ();
DoEndVisitPointerAttribute ();
}
void
AttributeIterator::StartVisitArrayAttribute (Ptr<Object> object, std::string name, const ObjectVectorValue &vector)
{
m_currentPath.push_back (name);
DoStartVisitArrayAttribute (object, name, vector);
}
void
AttributeIterator::EndVisitArrayAttribute (void)
{
m_currentPath.pop_back ();
DoEndVisitArrayAttribute ();
}
void
AttributeIterator::StartVisitArrayItem (const ObjectVectorValue &vector, uint32_t index, Ptr<Object> item)
{
std::ostringstream oss;
oss << index;
m_currentPath.push_back (oss.str ());
m_currentPath.push_back ("$" + item->GetInstanceTypeId ().GetName ());
DoStartVisitArrayItem (vector, index, item);
}
void
AttributeIterator::EndVisitArrayItem (void)
{
m_currentPath.pop_back ();
m_currentPath.pop_back ();
DoEndVisitArrayItem ();
}
void
AttributeIterator::StartVisitMapAttribute (Ptr<Object> object, std::string name, const ObjectMapValue &map)
{
m_currentPath.push_back (name);
DoStartVisitMapAttribute (object, name, map);
}
void
AttributeIterator::EndVisitMapAttribute (void)
{
m_currentPath.pop_back ();
DoEndVisitMapAttribute ();
}
void
AttributeIterator::StartVisitMapItem (const ObjectMapValue &map, uint32_t index, Ptr<Object> item)
{
std::ostringstream oss;
oss << index;
m_currentPath.push_back (oss.str ());
m_currentPath.push_back ("$" + item->GetInstanceTypeId ().GetName ());
DoStartVisitMapItem (map, index, item);
}
void
AttributeIterator::EndVisitMapItem (void)
{
m_currentPath.pop_back ();
m_currentPath.pop_back ();
DoEndVisitMapItem ();
}
void
AttributeIterator::DoIterate (Ptr<Object> object)
{
if (IsExamined (object))
{
return;
}
TypeId tid;
for (tid = object->GetInstanceTypeId (); tid.HasParent (); tid = tid.GetParent ())
{
NS_LOG_DEBUG ("store " << tid.GetName ());
for (uint32_t i = 0; i < tid.GetAttributeN (); ++i)
{
Ptr<const AttributeChecker> checker = tid.GetAttributeChecker (i);
const PointerChecker *ptrChecker = dynamic_cast<const PointerChecker *> (PeekPointer (checker));
if (ptrChecker != 0)
{
NS_LOG_DEBUG ("pointer attribute " << tid.GetAttributeName (i));
PointerValue ptr;
object->GetAttribute (tid.GetAttributeName (i), ptr);
Ptr<Object> tmp = ptr.Get<Object> ();
if (tmp != 0)
{
StartVisitPointerAttribute (object, tid.GetAttributeName (i),
tmp);
m_examined.push_back (object);
DoIterate (tmp);
m_examined.pop_back ();
EndVisitPointerAttribute ();
}
continue;
}
// attempt to cast to an object vector.
const ObjectVectorChecker *vectorChecker = dynamic_cast<const ObjectVectorChecker *> (PeekPointer (checker));
if (vectorChecker != 0)
{
NS_LOG_DEBUG ("vector attribute " << tid.GetAttributeName (i));
ObjectVectorValue vector;
object->GetAttribute (tid.GetAttributeName (i), vector);
StartVisitArrayAttribute (object, tid.GetAttributeName (i), vector);
for (uint32_t j = 0; j < vector.GetN (); ++j)
{
NS_LOG_DEBUG ("vector attribute item " << j);
Ptr<Object> tmp = vector.Get (j);
StartVisitArrayItem (vector, j, tmp);
m_examined.push_back (object);
DoIterate (tmp);
m_examined.pop_back ();
EndVisitArrayItem ();
}
EndVisitArrayAttribute ();
continue;
}
// attempt to cast to an object map.
const ObjectMapChecker *mapChecker = dynamic_cast<const ObjectMapChecker *> (PeekPointer (checker));
if (mapChecker != 0)
{
NS_LOG_DEBUG ("map attribute " << tid.GetAttributeName (i));
ObjectMapValue map;
object->GetAttribute (tid.GetAttributeName (i), map);
StartVisitMapAttribute (object, tid.GetAttributeName (i), map);
for (ObjectMapValue::Iterator it = map.Begin () ; it != map.End(); it++ )
{
NS_LOG_DEBUG ("map attribute item " << (*it).first << (*it).second );
StartVisitMapItem (map, (*it).first, (*it).second);
m_examined.push_back (object);
DoIterate ((*it).second);
m_examined.pop_back ();
EndVisitMapItem ();
}
EndVisitMapAttribute ();
continue;
}
uint32_t flags = tid.GetAttributeFlags (i);
Ptr<const AttributeAccessor> accessor = tid.GetAttributeAccessor (i);
if ((flags & TypeId::ATTR_GET) && accessor->HasGetter () &&
(flags & TypeId::ATTR_SET) && accessor->HasSetter ())
{
VisitAttribute (object, tid.GetAttributeName (i));
}
else
{
NS_LOG_DEBUG ("could not store " << tid.GetAttributeName (i));
}
}
}
Object::AggregateIterator iter = object->GetAggregateIterator ();
bool recursiveAggregate = false;
while (iter.HasNext ())
{
Ptr<const Object> tmp = iter.Next ();
if (IsExamined (tmp))
{
recursiveAggregate = true;
}
}
if (!recursiveAggregate)
{
iter = object->GetAggregateIterator ();
while (iter.HasNext ())
{
Ptr<Object> tmp = const_cast<Object *> (PeekPointer (iter.Next ()));
StartVisitObject (tmp);
m_examined.push_back (object);
DoIterate (tmp);
m_examined.pop_back ();
EndVisitObject ();
}
}
}
} // namespace ns3