block.h

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#ifndef CARTOBASE_BLOCK_BLOCK_H
#define CARTOBASE_BLOCK_BLOCK_H
 
 
#include <cartobase/config/cartobase_config.h>
#include <iterator>
#include <assert.h>
 
 
namespace carto
{

 
template < class T, size_t N >
struct block
{
 
  typedef T value_type;
  typedef value_type* pointer;
  typedef const value_type* const_pointer;
  typedef value_type& reference;
  typedef const value_type& const_reference;
 
  typedef ptrdiff_t difference_type;
  typedef size_t size_type;
 
  typedef pointer iterator;
  typedef const_pointer const_iterator;
 
#if defined(CARTO_NO_PARTIAL_TEMPLATE_SPECIALIZATION)
 
  typedef std::reverse_iterator< iterator, value_type > reverse_iterator;
  typedef std::reverse_iterator< const_iterator,
                                 value_type > const_reverse_iterator;
#else
 
  typedef std::reverse_iterator< iterator > reverse_iterator;
  typedef std::reverse_iterator< const_iterator > const_reverse_iterator;
 
#endif
 
  reference operator[]( size_t d );
  const_reference operator[]( size_t d ) const;
 
  iterator begin();
  iterator end();
  const_iterator begin() const;
  const_iterator end() const;
  reverse_iterator rbegin();
  reverse_iterator rend();
  const_reverse_iterator rbegin() const;
  const_reverse_iterator rend() const;
 
  size_type size() const;
  size_type max_size() const;
  bool empty() const;
 
  T data[ N ];
 
};
 
 
} // namespace carto
 
 
template < class T, size_t  N>
inline
typename carto::block< T, N >::reference 
carto::block< T, N >::operator[]( size_t d )
{
 
  assert( d < N );
  return data[ d ];
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::const_reference 
carto::block< T, N >::operator[]( size_t d ) const
{
 
  assert( d < N );
  return data[ d ];
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::iterator carto::block< T, N >::begin()
{
 
  return data;
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::iterator carto::block< T, N >::end()
{
 
  return data + N;
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::const_iterator 
carto::block< T, N >::begin() const
{
 
  return data;
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::const_iterator carto::block< T, N >::end() const
{
 
  return data + N;
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::reverse_iterator carto::block< T, N >::rbegin()
{
 
  return reverse_iterator( end() );
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::reverse_iterator carto::block< T, N >::rend()
{
 
  return reverse_iterator( begin() );
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::const_reverse_iterator 
carto::block< T, N >::rbegin() const
{
 
  return const_reverse_iterator( end() );
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::const_reverse_iterator 
carto::block< T, N >::rend() const
{
 
  return const_reverse_iterator( begin() );
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::size_type carto::block< T, N >::size() const
{
 
  return N;
 
}
 
 
template < class T, size_t N >
inline
typename carto::block< T, N >::size_type carto::block< T, N >::max_size() const
{
 
  return N;
 
}
 
 
template < class T, size_t N >
inline
bool carto::block< T, N >::empty() const
{
 
  return N == 0;
 
}
 
 
template < class T, size_t N >
inline
bool operator==( const carto::block< T, N >& b1,
                 const carto::block< T, N >& b2)
{
 
  for ( size_t n = 0; n < N; ++n )
    if ( b1.data[ n ] != b2.data[ n ] )
      return false;
  return true;
 
}
 
 
#endif