choice.cpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: choice.cpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 19:39:50  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.38
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: choice.cpp,v 1000.2 2004/06/01 19:39:50 gouriano Exp $
* ===========================================================================
*
*                            PUBLIC DOMAIN NOTICE
*               National Center for Biotechnology Information
*
*  This software/database is a "United States Government Work" under the
*  terms of the United States Copyright Act.  It was written as part of
*  the author's official duties as a United States Government employee and
*  thus cannot be copyrighted.  This software/database is freely available
*  to the public for use. The National Library of Medicine and the U.S.
*  Government have not placed any restriction on its use or reproduction.
*
*  Although all reasonable efforts have been taken to ensure the accuracy
*  and reliability of the software and data, the NLM and the U.S.
*  Government do not and cannot warrant the performance or results that
*  may be obtained by using this software or data. The NLM and the U.S.
*  Government disclaim all warranties, express or implied, including
*  warranties of performance, merchantability or fitness for any particular
*  purpose.
*
*  Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Eugene Vasilchenko
*
* File Description:
*   !!! PUT YOUR DESCRIPTION HERE !!!
*
* ---------------------------------------------------------------------------
* $Log: choice.cpp,v $
* Revision 1000.2  2004/06/01 19:39:50  gouriano
* PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.38
*
* Revision 1.38  2004/05/17 21:03:02  gorelenk
* Added include of PCH ncbi_pch.hpp
*
* Revision 1.37  2004/03/25 15:57:08  gouriano
* Added possibility to copy and compare serial object non-recursively
*
* Revision 1.36  2004/01/05 14:25:19  gouriano
* Added possibility to set serialization hooks by stack path
*
* Revision 1.35  2003/05/16 18:02:18  gouriano
* revised exception error messages
*
* Revision 1.34  2003/04/29 18:30:36  gouriano
* object data member initialization verification
*
* Revision 1.33  2002/12/26 19:32:32  gouriano
* changed XML I/O streams to properly handle object copying
*
* Revision 1.32  2002/12/12 21:08:07  gouriano
* implemented handling of complex XML containers
*
* Revision 1.31  2002/11/14 20:55:47  gouriano
* added support of XML attribute lists
*
* Revision 1.30  2002/10/25 14:49:27  vasilche
* NCBI C Toolkit compatibility code extracted to libxcser library.
* Serial streams flags names were renamed to fXxx.
*
* Names of flags
*
* Revision 1.29  2002/05/22 14:03:42  grichenk
* CSerialUserOp -- added prefix UserOp_ to Assign() and Equals()
*
* Revision 1.28  2001/07/25 19:13:04  grichenk
* Check if the object is CObject-derived before dynamic cast
*
* Revision 1.27  2001/07/16 16:22:51  grichenk
* Added CSerialUserOp class to create Assign() and Equals() methods for
* user-defind classes.
* Added SerialAssign<>() and SerialEquals<>() functions.
*
* Revision 1.26  2001/05/17 15:07:04  lavr
* Typos corrected
*
* Revision 1.25  2001/01/05 20:10:50  vasilche
* CByteSource, CIStrBuffer, COStrBuffer, CLightString, CChecksum, CWeakMap
* were moved to util.
*
* Revision 1.24  2000/10/20 15:51:37  vasilche
* Fixed data error processing.
* Added interface for constructing container objects directly into output stream.
* object.hpp, object.inl and object.cpp were split to
* objectinfo.*, objecttype.*, objectiter.* and objectio.*.
*
* Revision 1.23  2000/10/13 20:22:53  vasilche
* Fixed warnings on 64 bit compilers.
* Fixed missing typename in templates.
*
* Revision 1.22  2000/09/26 17:38:20  vasilche
* Fixed incomplete choiceptr implementation.
* Removed temporary comments.
*
* Revision 1.21  2000/09/18 20:00:20  vasilche
* Separated CVariantInfo and CMemberInfo.
* Implemented copy hooks.
* All hooks now are stored in CTypeInfo/CMemberInfo/CVariantInfo.
* Most type specific functions now are implemented via function pointers instead of virtual functions.
*
* Revision 1.20  2000/09/01 13:16:14  vasilche
* Implemented class/container/choice iterators.
* Implemented CObjectStreamCopier for copying data without loading into memory.
*
* Revision 1.19  2000/08/15 19:44:46  vasilche
* Added Read/Write hooks:
* CReadObjectHook/CWriteObjectHook for objects of specified type.
* CReadClassMemberHook/CWriteClassMemberHook for specified members.
* CReadChoiceVariantHook/CWriteChoiceVariant for specified choice variants.
* CReadContainerElementHook/CWriteContainerElementsHook for containers.
*
* Revision 1.18  2000/07/03 18:42:42  vasilche
* Added interface to typeinfo via CObjectInfo and CConstObjectInfo.
* Reduced header dependency.
*
* Revision 1.17  2000/06/16 16:31:17  vasilche
* Changed implementation of choices and classes info to allow use of the same classes in generated and user written classes.
*
* Revision 1.16  2000/06/07 19:45:57  vasilche
* Some code cleaning.
* Macros renaming in more clear way.
* BEGIN_NAMED_*_INFO, ADD_*_MEMBER, ADD_NAMED_*_MEMBER.
*
* Revision 1.15  2000/06/01 19:07:02  vasilche
* Added parsing of XML data.
*
* Revision 1.14  2000/05/24 20:08:46  vasilche
* Implemented XML dump.
*
* Revision 1.13  2000/05/09 16:38:37  vasilche
* CObject::GetTypeInfo now moved to CObjectGetTypeInfo::GetTypeInfo to reduce possible errors.
* Added write context to CObjectOStream.
* Inlined most of methods of helping class Member, Block, ByteBlock etc.
*
* Revision 1.12  2000/04/28 16:58:12  vasilche
* Added classes CByteSource and CByteSourceReader for generic reading.
* Added delayed reading of choice variants.
*
* Revision 1.11  2000/04/10 21:01:48  vasilche
* Fixed Erase for map/set.
* Added iteratorbase.hpp header for basic internal classes.
*
* Revision 1.10  2000/04/06 16:10:58  vasilche
* Fixed bug with iterators in choices.
* Removed unneeded calls to ReadExternalObject/WriteExternalObject.
* Added output buffering to text ASN.1 data.
*
* Revision 1.9  2000/04/03 18:47:26  vasilche
* Added main include file for generated headers.
* serialimpl.hpp is included in generated sources with GetTypeInfo methods
*
* Revision 1.8  2000/03/14 14:42:29  vasilche
* Fixed error reporting.
*
* Revision 1.7  2000/03/07 14:06:21  vasilche
* Added stream buffering to ASN.1 binary input.
* Optimized class loading/storing.
* Fixed bugs in processing OPTIONAL fields.
* Added generation of reference counted objects.
*
* Revision 1.6  2000/02/17 20:02:42  vasilche
* Added some standard serialization exceptions.
* Optimized text/binary ASN.1 reading.
* Fixed wrong encoding of StringStore in ASN.1 binary format.
* Optimized logic of object collection.
*
* Revision 1.5  2000/02/01 21:47:21  vasilche
* Added CGeneratedChoiceTypeInfo for generated choice classes.
* Added buffering to CObjectIStreamAsn.
* Removed CMemberInfo subclasses.
* Added support for DEFAULT/OPTIONAL members.
*
* Revision 1.4  2000/01/10 19:46:38  vasilche
* Fixed encoding/decoding of REAL type.
* Fixed encoding/decoding of StringStore.
* Fixed encoding/decoding of NULL type.
* Fixed error reporting.
* Reduced object map (only classes).
*
* Revision 1.3  2000/01/05 19:43:51  vasilche
* Fixed error messages when reading from ASN.1 binary file.
* Fixed storing of integers with enumerated values in ASN.1 binary file.
* Added TAG support to key/value of map.
* Added support of NULL variant in CHOICE.
*
* Revision 1.2  1999/12/17 19:05:01  vasilche
* Simplified generation of GetTypeInfo methods.
*
* Revision 1.1  1999/09/24 18:20:07  vasilche
* Removed dependency on NCBI toolkit.
*
* 
* ===========================================================================
*/

#include <ncbi_pch.hpp>
#include <serial/choice.hpp>
#include <serial/objostr.hpp>
#include <serial/objistr.hpp>
#include <serial/objcopy.hpp>
#include <serial/variant.hpp>
#include <serial/delaybuf.hpp>
#include <serial/serialbase.hpp>

BEGIN_NCBI_SCOPE

class CChoiceTypeInfoFunctions
{
public:
    static void ReadChoiceDefault(CObjectIStream& in,
                                  TTypeInfo objectType,
                                  TObjectPtr objectPtr);
    static void WriteChoiceDefault(CObjectOStream& out,
                                   TTypeInfo objectType,
                                   TConstObjectPtr objectPtr);
    static void SkipChoiceDefault(CObjectIStream& in,
                                  TTypeInfo objectType);
    static void CopyChoiceDefault(CObjectStreamCopier& copier,
                                  TTypeInfo objectType);
};

typedef CChoiceTypeInfoFunctions TFunc;

CChoiceTypeInfo::CChoiceTypeInfo(size_t size, const char* name, 
                                 const void* nonCObject,
                                 TTypeCreate createFunc,
                                 const type_info& ti,
                                 TWhichFunction whichFunc,
                                 TSelectFunction selectFunc,
                                 TResetFunction resetFunc)
    : CParent(eTypeFamilyChoice, size, name, nonCObject, createFunc, ti),
      m_WhichFunction(whichFunc),
      m_ResetFunction(resetFunc), m_SelectFunction(selectFunc)
{
    InitChoiceTypeInfoFunctions();
}

CChoiceTypeInfo::CChoiceTypeInfo(size_t size, const char* name,
                                 const CObject* cObject,
                                 TTypeCreate createFunc,
                                 const type_info& ti,
                                 TWhichFunction whichFunc,
                                 TSelectFunction selectFunc,
                                 TResetFunction resetFunc)
    : CParent(eTypeFamilyChoice, size, name, cObject, createFunc, ti),
      m_WhichFunction(whichFunc),
      m_ResetFunction(resetFunc), m_SelectFunction(selectFunc)
{
    InitChoiceTypeInfoFunctions();
}

CChoiceTypeInfo::CChoiceTypeInfo(size_t size, const string& name, 
                                 const void* nonCObject,
                                 TTypeCreate createFunc,
                                 const type_info& ti,
                                 TWhichFunction whichFunc,
                                 TSelectFunction selectFunc,
                                 TResetFunction resetFunc)
    : CParent(eTypeFamilyChoice, size, name, nonCObject, createFunc, ti),
      m_WhichFunction(whichFunc),
      m_ResetFunction(resetFunc), m_SelectFunction(selectFunc)
{
    InitChoiceTypeInfoFunctions();
}