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// -*- C++ -*-
//=============================================================================
/**
* @file Marshal.h
*
* $Id$
*
* Classes that marshal various IDL data types.
*
*
* @author Aniruddha S. Gokhale
*/
//=============================================================================
#ifndef TAO_MARSHAL_H
#define TAO_MARSHAL_H
#include /**/ "ace/pre.h"
#include "ace/CORBA_macros.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/AnyTypeCode/TAO_AnyTypeCode_Export.h"
#include "tao/Basic_Types.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace CORBA
{
class TypeCode;
typedef TypeCode *TypeCode_ptr;
}
class TAO_OutputCDR;
class TAO_InputCDR;
// = Forward declarations.
class TAO_Marshal_Object;
class TAO_Marshal_Primitive;
class TAO_Marshal_Any;
class TAO_Marshal_TypeCode;
class TAO_Marshal_Principal;
class TAO_Marshal_ObjRef;
class TAO_Marshal_Struct;
class TAO_Marshal_Union;
class TAO_Marshal_String;
class TAO_Marshal_Sequence;
class TAO_Marshal_Array;
class TAO_Marshal_Alias;
class TAO_Marshal_Except;
class TAO_Marshal_WString;
class TAO_Marshal_Value;
namespace TAO
{
enum traverse_status
{
TRAVERSE_STOP,
TRAVERSE_CONTINUE
};
}
/**
* @class TAO_Marshal_Object
*
* @brief TAO_Marshal_Object
*
* The Marshaling object that provides a common interface to the
* CDR object for marshaling different IDL data types
* Provides a set of virtual methods for appending and skipping
* data over a CDR stream.
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Object
{
public:
/// constructor
TAO_Marshal_Object (void);
/// destructor
virtual ~TAO_Marshal_Object (void);
/// skip entry point, it allocates the right kind of Marshal_Object
/// and invokes skip on it.
static TAO::traverse_status perform_skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context) = 0;
/// append entry point, it allocates the right kind of Marshal_Object
/// and invokes skip on it.
static TAO::traverse_status perform_append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest) = 0;
};
/**
* @class TAO_Marshal_Primitive:
*
* @brief TAO_Marshal_Primitive
*
* marshaling primitives
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Primitive: public TAO_Marshal_Object
{
public:
TAO_Marshal_Primitive (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Any:
*
* @brief TAO_Marshal_Any
*
* Marshal an Any
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Any: public TAO_Marshal_Object
{
public:
TAO_Marshal_Any (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_TypeCode
*
* @brief TAO_Marshal_TypeCode
*
* marshal a typecode
*/
class TAO_AnyTypeCode_Export TAO_Marshal_TypeCode: public TAO_Marshal_Object
{
public:
TAO_Marshal_TypeCode (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Principal
*
* @brief TAO_Marshal_Principal
*
* marshal a principal
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Principal: public TAO_Marshal_Object
{
public:
TAO_Marshal_Principal (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_ObjRef
*
* @brief TAO_Marshal_ObjRef
*
* marshal an object reference
*/
class TAO_AnyTypeCode_Export TAO_Marshal_ObjRef: public TAO_Marshal_Object
{
public:
TAO_Marshal_ObjRef (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Struct
*
* @brief TAO_Marshal_Struct
*
* marshal a struct
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Struct : public TAO_Marshal_Object
{
public:
TAO_Marshal_Struct (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Union
*
* @brief TAO_Marshal_Union
*
* marshal a union
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Union: public TAO_Marshal_Object
{
public:
TAO_Marshal_Union (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_String
*
* @brief TAO_Marshal_String
*
* marshal a string
*/
class TAO_AnyTypeCode_Export TAO_Marshal_String: public TAO_Marshal_Object
{
public:
TAO_Marshal_String (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Sequence
*
* @brief TAO_Marshal_Sequence
*
* marshal a sequence
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Sequence: public TAO_Marshal_Object
{
public:
TAO_Marshal_Sequence (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Array
*
* @brief TAO_Marshal_Array
*
* marshal an array
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Array: public TAO_Marshal_Object
{
public:
TAO_Marshal_Array (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Alias
*
* @brief TAO_Marshal_Alias
*
* marshal an alias
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Alias: public TAO_Marshal_Object
{
public:
TAO_Marshal_Alias (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Except
*
* @brief TAO_Marshal_Except
*
* marshal an exception
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Except: public TAO_Marshal_Object
{
public:
TAO_Marshal_Except (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_WString
*
* @brief TAO_Marshal_WString
*
* marshal a wide string
*/
class TAO_AnyTypeCode_Export TAO_Marshal_WString : public TAO_Marshal_Object
{
public:
TAO_Marshal_WString (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
};
/**
* @class TAO_Marshal_Value
*
* @brief TAO_Marshal_Value
*
* marshal a valuetype
*/
class TAO_AnyTypeCode_Export TAO_Marshal_Value: public TAO_Marshal_Object
{
public:
TAO_Marshal_Value (void);
/// skip operation
virtual TAO::traverse_status skip (CORBA::TypeCode_ptr tc,
TAO_InputCDR *context);
/// append operation
virtual TAO::traverse_status append (CORBA::TypeCode_ptr tc,
TAO_InputCDR *src,
TAO_OutputCDR *dest);
private:
CORBA::Boolean nested_processing_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
# include "tao/AnyTypeCode/Marshal.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_MARSHAL_H */
|
