JLANG::JGroup< T > Struct Template Reference

Auxiliary class for a fixed group of objects. More...

#include <JGroup.hh>

Public Member Functions
const T &	operator() (const int index) const
	Get object at given index in group. More...
int	operator() (const T &object) const
	Get index of given objec in group. More...

Static Public Member Functions
static const JGroup &	getInstance ()
	Get unique instance. More...

Static Public Attributes
static const int	size = sizeof(JGroup<T>::group) / sizeof(JGroup<T>::group[0])
	Number of objects. More...

Private Member Functions
	JGroup ()
	Default constructor. More...

Static Private Attributes
static const T	group []
	actual group More...

Detailed Description

template<class T>
struct JLANG::JGroup< T >

Auxiliary class for a fixed group of objects.

A group should be defined as follows:

  template<>
  const XXX JGroup<XXX>::group[]  =  {
    XXX(...),
    XXX(...),
    ...
    XXX(...)
  };

Definition at line 31 of file JGroup.hh.

Constructor & Destructor Documentation

template<class T >

JLANG::JGroup< T >::JGroup ( )

inlineprivate

Default constructor.

Definition at line 36 of file JGroup.hh.

    {}

Member Function Documentation

template<class T >

static const JGroup& JLANG::JGroup< T >::getInstance ( )

inlinestatic

Get unique instance.

Definition at line 51 of file JGroup.hh.

    {
      static const JGroup object;

      return object;
    }

template<class T >

const T& JLANG::JGroup< T >::operator() ( const int  index ) const

inline

Get object at given index in group.

Parameters

index

index

Returns

object

Definition at line 65 of file JGroup.hh.

    {
      if (index >= 0 && index < size)
        return this->group[index];
      else
        THROW(JIndexOutOfRange, "JGroup::operator() " << index);
    }

template<class T >

int JLANG::JGroup< T >::operator() ( const T &  object ) const

inline

Get index of given objec in group.

Parameters

object

object

Returns

index (-1 if object not found)

Definition at line 80 of file JGroup.hh.

    {
      for (int i = 0; i != size; ++i) {
        if (this->group[i] == object) {
          return i;
        }
      }

      return -1;
    }

Member Data Documentation

template<class T >

const T JLANG::JGroup< T >::group

staticprivate

actual group

Actual group.

Definition at line 39 of file JGroup.hh.

template<class T >

const int JLANG::JGroup< T >::size = sizeof(JGroup<T>::group) / sizeof(JGroup<T>::group[0])

static

Number of objects.

Definition at line 45 of file JGroup.hh.

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The documentation for this struct was generated from the following file:

• JGroup.hh