anyiterator.hxx

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#pragma once
/*
**  Copyright (C) 2013 Aldebaran Robotics
**  See COPYING for the license
*/

#ifndef _QITYPE_DETAILS_ANYITERATOR_HXX_
#define _QITYPE_DETAILS_ANYITERATOR_HXX_

#include <qi/type/typeinterface.hpp>

namespace qi {

inline AnyReference AnyIterator::operator*()
{
  if (kind() == TypeKind_Iterator)
    return static_cast<IteratorTypeInterface*>(_type)->dereference(_value);
  else
    throw std::runtime_error("Expected iterator");
}

template<typename T>
AnyIterator::AnyIterator(const T& ref)
  : AnyValue(AnyReference::from(ref))
{}

inline AnyIterator::AnyIterator()
{}

inline AnyIterator::AnyIterator(const AnyReference& p)
  : AnyValue(p)
{}

inline AnyIterator::AnyIterator(const AnyValue& v)
  : AnyValue(v)
{}

inline AnyIterator& AnyIterator::operator++()
{
  if (kind() != TypeKind_Iterator)
    throw std::runtime_error("Expected an iterator");
  static_cast<IteratorTypeInterface*>(_type)->next(&_value);
  return *this;
}

inline AnyIterator AnyIterator::operator++(int)
{
  if (kind() != TypeKind_Iterator)
    throw std::runtime_error("Expected an iterator");
  AnyIterator it2 = *this;
  static_cast<IteratorTypeInterface*>(_type)->next(&_value);
  return it2;
}

inline bool operator==(const AnyIterator& a, const AnyIterator& b)
{
  return a.asReference() == b.asReference();
}

inline bool operator!=(const AnyIterator& a, const AnyIterator& b)
{
  return !(a==b);
}

}


#endif  // _QITYPE_DETAILS_ANYITERATOR_HXX_