JLANG::JTypeInfo Class Reference

This class is a wrapper around the STL type_info class. More...

#include <JTypeInfo.hh>

Inheritance diagram for JLANG::JTypeInfo:

Public Member Functions
	JTypeInfo ()
	Default constructor. More...
	JTypeInfo (const std::type_info &type)
	Constructor. More...
const std::type_info &	get () const
	Get type information. More...
bool	less (const JTypeInfo &that) const
	Less than operation. More...
bool	before (const JTypeInfo &type) const
	Evaluate order. More...
const char *	name () const
	Get type name. More...

Private Attributes
const std::type_info *	pType

Detailed Description

This class is a wrapper around the STL type_info class.

It is possible to create a list of objects of this class.

Source code is taken from reference: A. Alexandrescu, Modern C++ Design, Addison Wesley.

Definition at line 27 of file JTypeInfo.hh.

Constructor & Destructor Documentation

JLANG::JTypeInfo::JTypeInfo ( )

inline

Default constructor.

Definition at line 34 of file JTypeInfo.hh.

    {
      class JNullType {};

      pType = &typeid(JNullType);
    }

JLANG::JTypeInfo::JTypeInfo ( const std::type_info &  type )

inline

Constructor.

Parameters

type	type information

Definition at line 47 of file JTypeInfo.hh.

                                        :
      pType(&type)
    {}

Member Function Documentation

const std::type_info& JLANG::JTypeInfo::get ( ) const

inline

Get type information.

Returns

type information

Definition at line 57 of file JTypeInfo.hh.

    {
      if (pType == NULL)
        throw JTypeInformationException("No type information.");
      else
        return *pType;
    }

bool JLANG::JTypeInfo::less ( const JTypeInfo &  that ) const

inline

Less than operation.

Parameters

that	object to be compared

Returns

true if this type information less than that type information; else false

Definition at line 72 of file JTypeInfo.hh.

    {
      return get().before(that.get()) != 0;
    }

bool JLANG::JTypeInfo::before ( const JTypeInfo &  type ) const

inline

Evaluate order.

Parameters

type	type information

Returns

true if this type before given type; else false

Definition at line 84 of file JTypeInfo.hh.

    {
      return get().before(type.get()) != 0;
    }

const char* JLANG::JTypeInfo::name ( ) const

inline

Get type name.

Returns

type name

Definition at line 95 of file JTypeInfo.hh.

    {
      return get().name();
    }

Member Data Documentation

const std::type_info* JLANG::JTypeInfo::pType

private

Definition at line 102 of file JTypeInfo.hh.

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

• JTypeInfo.hh