OrderedAlphabet.ih

// IMPLEMENTATION of inline methods.

#include <cstdlib>



// Implementation of inline methods                                          //

inline
DGtal::OrderedAlphabet::OrderedAlphabet( char first, unsigned int nb )
  : myFirst( first ), myNb( nb )
{
  myOrder = new unsigned int[ nb ];

  ASSERT( ( myOrder != 0 ) 
          && "[DGtal::OrderedAlphabet::OrderedAlphabet( char first, int nb )] error in new: no memory left ?" );
  for ( unsigned int i = 0; i < myNb; ++i )
    myOrder[ i ] = i;
}

inline
unsigned int
DGtal::OrderedAlphabet::order( char c ) const
{
  ASSERT( ( c - myFirst ) < (int) myNb 
          && "[DGtal::OrderedAlphabet::order( char c )] invalid letter." );
  return myOrder[ c - myFirst ];
}

inline
char
DGtal::OrderedAlphabet::letter( unsigned int i ) const
{
  ASSERT( i < myNb );
  for ( unsigned int j = 0; j < myNb; ++j )
    if ( myOrder[ j ] == i )
      return myFirst + j;
  return myFirst;
}


inline
bool 
DGtal::OrderedAlphabet::less( char c1, char c2 ) const
{
  return myOrder[ c1 - myFirst ] < myOrder[ c2 - myFirst ];
}

inline
bool 
DGtal::OrderedAlphabet::lessOrEqual( char c1, char c2 ) const
{
  return myOrder[ c1 - myFirst ] <= myOrder[ c2 - myFirst ];
}

inline
bool 
DGtal::OrderedAlphabet::equal( char c1, char c2 ) const
{
  return c1 == c2;
}


// Implementation of inline functions and external operators                 //

inline
std::ostream&
DGtal::operator<< ( std::ostream & out,
                  const OrderedAlphabet & object )
{
    object.selfDisplay ( out );
    return out;
}



//                                                                           //