NumberingPolicy.cpp

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// -*- C++ -*-
#include <rtm/NumberingPolicy.h>
#include <coil/stringutil.h>

//============================================================
// DefaultNumberingPolicy
//============================================================
std::string DefaultNumberingPolicy::onCreate(void* obj)
{
  std::vector<void*>::size_type pos;
  
  ++m_num;
  
  try
    {
      pos = find(NULL);
      m_objects[pos] = obj;
      return coil::otos(pos);
    }
  catch (ObjectNotFound& e)
    {
      (void)(e);
      m_objects.push_back(obj);
      return coil::otos((int)(m_objects.size() - 1));
    }
}

void DefaultNumberingPolicy::onDelete(void* obj)
{
  std::vector<void*>::size_type pos;
  pos = find(obj);
  if (pos < m_objects.size())
    {
      m_objects[pos] = NULL;
    }
  --m_num;
}

long int DefaultNumberingPolicy::find(void* obj)
{
  std::vector<void*>::size_type len(m_objects.size());
  std::vector<void*>::size_type i(0);
  for (i = 0; i < len; ++i)
    {
      if (m_objects[i] == obj) return i;
    }
  throw ObjectNotFound();
  return i;
}