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TDocStd_Application class extended to open/save a document of XmlOcaf and BinOcaf format from/to standard SEEKABLE stream object which should support SEEK functionality. Open and SaveAs DRAW commands got new additional argument "-stream" to turn on using of stream functionality. The main changes for BinOcaf format applied in: FSD_BinaryFile class (static method using standard stream added) BinLDrivers_DocumentRetrievalDriver and BinLDrivers_DocumentStorageDriver classes use standard stream object as an argument The main changes for XmlOcaf format applied in: LDOMParser and LDOM_XmlWriter classes use standard stream object as an argument Unused class FSD_Archive and its siblings removed from MFC samples.
395 lines
15 KiB
C++
395 lines
15 KiB
C++
// Created on: 1996-11-29
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// Created by: Christophe LEYNADIER
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _FSD_BinaryFile_HeaderFile
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#define _FSD_BinaryFile_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <FSD_BStream.hxx>
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#include <FSD_FileHeader.hxx>
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#include <Storage_BaseDriver.hxx>
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#include <Storage_Error.hxx>
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#include <Storage_OpenMode.hxx>
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#include <Storage_Data.hxx>
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#include <Standard_Boolean.hxx>
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#include <Storage_Position.hxx>
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#include <Standard_Integer.hxx>
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#include <TColStd_SequenceOfAsciiString.hxx>
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#include <TColStd_SequenceOfExtendedString.hxx>
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#include <Standard_Character.hxx>
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#include <Standard_ExtCharacter.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_ShortReal.hxx>
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#include <Standard_CString.hxx>
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#include <Standard_Size.hxx>
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class Storage_StreamTypeMismatchError;
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class Storage_StreamFormatError;
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class Storage_StreamWriteError;
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class Storage_StreamExtCharParityError;
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class TCollection_AsciiString;
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class TCollection_ExtendedString;
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class Storage_BaseDriver;
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class Storage_HeaderData;
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// Macro that tells if bytes must be reversed when read/write
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// data to/from a binary file. It is needed to provide binary file compatibility
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// between little and big endian platforms.
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#ifndef OCCT_BINARY_FILE_DO_INVERSE
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#if defined ( SOLARIS ) || defined ( IRIX )
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// Do inverse on big endian platform
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#define OCCT_BINARY_FILE_DO_INVERSE 1
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#else
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#define OCCT_BINARY_FILE_DO_INVERSE 0
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#endif
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#endif
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class FSD_BinaryFile : public Storage_BaseDriver
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT FSD_BinaryFile();
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Standard_EXPORT Storage_Error Open (const TCollection_AsciiString& aName, const Storage_OpenMode aMode);
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Standard_EXPORT Standard_Boolean IsEnd();
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//! return position in the file. Return -1 upon error.
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Standard_EXPORT Storage_Position Tell();
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Standard_EXPORT static Storage_Error IsGoodFileType (const TCollection_AsciiString& aName);
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Standard_EXPORT Storage_Error BeginWriteInfoSection();
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Standard_EXPORT static Standard_Integer WriteInfo (Standard_OStream& theOStream,
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const Standard_Integer nbObj,
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const TCollection_AsciiString& dbVersion,
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const TCollection_AsciiString& date,
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const TCollection_AsciiString& schemaName,
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const TCollection_AsciiString& schemaVersion,
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const TCollection_ExtendedString& appName,
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const TCollection_AsciiString& appVersion,
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const TCollection_ExtendedString& objectType,
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const TColStd_SequenceOfAsciiString& userInfo,
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const Standard_Boolean theOnlyCount = Standard_False);
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Standard_EXPORT void WriteInfo (const Standard_Integer nbObj, const TCollection_AsciiString& dbVersion, const TCollection_AsciiString& date, const TCollection_AsciiString& schemaName, const TCollection_AsciiString& schemaVersion, const TCollection_ExtendedString& appName, const TCollection_AsciiString& appVersion, const TCollection_ExtendedString& objectType, const TColStd_SequenceOfAsciiString& userInfo);
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Standard_EXPORT Storage_Error EndWriteInfoSection();
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Standard_EXPORT Storage_Error EndWriteInfoSection(Standard_OStream& theOStream);
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Standard_EXPORT Storage_Error BeginReadInfoSection();
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Standard_EXPORT void ReadInfo (Standard_Integer& nbObj, TCollection_AsciiString& dbVersion, TCollection_AsciiString& date, TCollection_AsciiString& schemaName, TCollection_AsciiString& schemaVersion, TCollection_ExtendedString& appName, TCollection_AsciiString& appVersion, TCollection_ExtendedString& objectType, TColStd_SequenceOfAsciiString& userInfo);
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Standard_EXPORT void ReadCompleteInfo (Standard_IStream& theIStream, Handle(Storage_Data)& theData);
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Standard_EXPORT Storage_Error EndReadInfoSection();
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Standard_EXPORT Storage_Error BeginWriteCommentSection();
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Standard_EXPORT Storage_Error BeginWriteCommentSection (Standard_OStream& theOStream);
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Standard_EXPORT void WriteComment (const TColStd_SequenceOfExtendedString& userComments);
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Standard_EXPORT static Standard_Integer WriteComment (Standard_OStream& theOStream,
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const TColStd_SequenceOfExtendedString& theComments,
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const Standard_Boolean theOnlyCount = Standard_False);
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Standard_EXPORT Storage_Error EndWriteCommentSection();
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Standard_EXPORT Storage_Error EndWriteCommentSection (Standard_OStream& theOStream);
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Standard_EXPORT Storage_Error BeginReadCommentSection();
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Standard_EXPORT void ReadComment (TColStd_SequenceOfExtendedString& userComments);
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Standard_EXPORT static void ReadComment (Standard_IStream& theIStream, TColStd_SequenceOfExtendedString& userComments);
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Standard_EXPORT Storage_Error EndReadCommentSection();
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Standard_EXPORT Storage_Error BeginWriteTypeSection();
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Standard_EXPORT void SetTypeSectionSize (const Standard_Integer aSize);
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Standard_EXPORT void WriteTypeInformations (const Standard_Integer typeNum, const TCollection_AsciiString& typeName);
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Standard_EXPORT Storage_Error EndWriteTypeSection();
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Standard_EXPORT Storage_Error BeginReadTypeSection();
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Standard_EXPORT Standard_Integer TypeSectionSize();
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Standard_EXPORT static Standard_Integer TypeSectionSize(Standard_IStream& theIStream);
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Standard_EXPORT void ReadTypeInformations (Standard_Integer& typeNum, TCollection_AsciiString& typeName);
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Standard_EXPORT static void ReadTypeInformations (Standard_IStream& theIStream, Standard_Integer& typeNum, TCollection_AsciiString& typeName);
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Standard_EXPORT Storage_Error EndReadTypeSection();
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Standard_EXPORT Storage_Error BeginWriteRootSection();
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Standard_EXPORT void SetRootSectionSize (const Standard_Integer aSize);
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Standard_EXPORT void WriteRoot (const TCollection_AsciiString& rootName, const Standard_Integer aRef, const TCollection_AsciiString& aType);
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Standard_EXPORT Storage_Error EndWriteRootSection();
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Standard_EXPORT Storage_Error BeginReadRootSection();
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Standard_EXPORT Standard_Integer RootSectionSize();
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Standard_EXPORT static Standard_Integer RootSectionSize(Standard_IStream& theIStream);
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Standard_EXPORT void ReadRoot (TCollection_AsciiString& rootName, Standard_Integer& aRef, TCollection_AsciiString& aType);
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Standard_EXPORT static void ReadRoot (Standard_IStream& theIStream, TCollection_AsciiString& rootName, Standard_Integer& aRef, TCollection_AsciiString& aType);
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Standard_EXPORT Storage_Error EndReadRootSection();
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Standard_EXPORT Storage_Error BeginWriteRefSection();
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Standard_EXPORT void SetRefSectionSize (const Standard_Integer aSize);
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Standard_EXPORT void WriteReferenceType (const Standard_Integer reference, const Standard_Integer typeNum);
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Standard_EXPORT Storage_Error EndWriteRefSection();
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Standard_EXPORT Storage_Error BeginReadRefSection();
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Standard_EXPORT Standard_Integer RefSectionSize();
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Standard_EXPORT static Standard_Integer RefSectionSize(Standard_IStream& theIStream);
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Standard_EXPORT void ReadReferenceType (Standard_Integer& reference, Standard_Integer& typeNum);
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Standard_EXPORT static void ReadReferenceType (Standard_IStream& theIStream, Standard_Integer& reference, Standard_Integer& typeNum);
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Standard_EXPORT Storage_Error EndReadRefSection();
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Standard_EXPORT Storage_Error BeginWriteDataSection();
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Standard_EXPORT void WritePersistentObjectHeader (const Standard_Integer aRef, const Standard_Integer aType);
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Standard_EXPORT void BeginWritePersistentObjectData();
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Standard_EXPORT void BeginWriteObjectData();
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Standard_EXPORT void EndWriteObjectData();
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Standard_EXPORT void EndWritePersistentObjectData();
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Standard_EXPORT Storage_Error EndWriteDataSection();
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Standard_EXPORT Storage_Error BeginReadDataSection();
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Standard_EXPORT void ReadPersistentObjectHeader (Standard_Integer& aRef, Standard_Integer& aType);
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Standard_EXPORT void BeginReadPersistentObjectData();
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Standard_EXPORT void BeginReadObjectData();
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Standard_EXPORT void EndReadObjectData();
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Standard_EXPORT void EndReadPersistentObjectData();
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Standard_EXPORT Storage_Error EndReadDataSection();
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Standard_EXPORT void SkipObject();
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Standard_EXPORT Storage_BaseDriver& PutReference (const Standard_Integer aValue);
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Standard_EXPORT Storage_BaseDriver& PutCharacter (const Standard_Character aValue);
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Storage_BaseDriver& operator << (const Standard_Character aValue)
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{
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return PutCharacter(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& PutExtCharacter (const Standard_ExtCharacter aValue);
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Storage_BaseDriver& operator << (const Standard_ExtCharacter aValue)
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{
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return PutExtCharacter(aValue);
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}
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Standard_EXPORT static Standard_Integer PutInteger (Standard_OStream& theOStream,
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const Standard_Integer aValue,
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const Standard_Boolean theOnlyCount = Standard_False);
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Standard_EXPORT Storage_BaseDriver& PutInteger (const Standard_Integer aValue);
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Storage_BaseDriver& operator << (const Standard_Integer aValue)
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{
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return PutInteger(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& PutBoolean (const Standard_Boolean aValue);
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Storage_BaseDriver& operator << (const Standard_Boolean aValue)
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{
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return PutBoolean(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& PutReal (const Standard_Real aValue);
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Storage_BaseDriver& operator << (const Standard_Real aValue)
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{
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return PutReal(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& PutShortReal (const Standard_ShortReal aValue);
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Storage_BaseDriver& operator << (const Standard_ShortReal aValue)
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{
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return PutShortReal(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& GetReference (Standard_Integer& aValue);
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Standard_EXPORT Storage_BaseDriver& GetCharacter (Standard_Character& aValue);
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Storage_BaseDriver& operator >> (Standard_Character& aValue)
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{
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return GetCharacter(aValue);
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}
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Standard_EXPORT static void GetReference (Standard_IStream& theIStream, Standard_Integer& aValue);
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Standard_EXPORT Storage_BaseDriver& GetExtCharacter (Standard_ExtCharacter& aValue);
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Storage_BaseDriver& operator >> (Standard_ExtCharacter& aValue)
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{
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return GetExtCharacter(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& GetInteger (Standard_Integer& aValue);
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Storage_BaseDriver& operator >> (Standard_Integer& aValue)
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{
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return GetInteger(aValue);
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}
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Standard_EXPORT static void GetInteger (Standard_IStream& theIStream, Standard_Integer& aValue);
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Standard_EXPORT Storage_BaseDriver& GetBoolean (Standard_Boolean& aValue);
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Storage_BaseDriver& operator >> (Standard_Boolean& aValue)
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{
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return GetBoolean(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& GetReal (Standard_Real& aValue);
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Storage_BaseDriver& operator >> (Standard_Real& aValue)
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{
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return GetReal(aValue);
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}
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Standard_EXPORT Storage_BaseDriver& GetShortReal (Standard_ShortReal& aValue);
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Storage_BaseDriver& operator >> (Standard_ShortReal& aValue)
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{
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return GetShortReal(aValue);
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}
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Standard_EXPORT Storage_Error Close();
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Standard_EXPORT void Destroy();
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~FSD_BinaryFile()
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{
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Destroy();
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}
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///Inverse bytes in integer value
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static Standard_Integer InverseInt(const Standard_Integer theValue)
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{
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return (0 | (( theValue & 0x000000ff ) << 24 )
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| (( theValue & 0x0000ff00 ) << 8 )
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| (( theValue & 0x00ff0000 ) >> 8 )
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| (( theValue >> 24 ) & 0x000000ff ) );
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}
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///Inverse bytes in extended character value
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static Standard_ExtCharacter InverseExtChar(const Standard_ExtCharacter theValue)
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{
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return (0 | (( theValue & 0x00ff ) << 8 )
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| (( theValue & 0xff00 ) >> 8 ) );
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}
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///Inverse bytes in real value
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Standard_EXPORT static Standard_Real InverseReal(const Standard_Real theValue);
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///Inverse bytes in short real value
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Standard_EXPORT static Standard_ShortReal InverseShortReal(const Standard_ShortReal theValue);
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///Inverse bytes in size value
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Standard_EXPORT static Standard_Size InverseSize(const Standard_Size theValue);
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Standard_EXPORT static void ReadHeader (Standard_IStream& theIStream, FSD_FileHeader& theFileHeader);
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Standard_EXPORT static void ReadHeaderData (Standard_IStream& theIStream, const Handle(Storage_HeaderData)& theHeaderData);
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Standard_EXPORT static void ReadString (Standard_IStream& theIStream, TCollection_AsciiString& buffer);
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Standard_EXPORT static void ReadExtendedString (Standard_IStream& theIStream, TCollection_ExtendedString& buffer);
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Standard_EXPORT static Standard_Integer WriteHeader (Standard_OStream& theOStream,
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const FSD_FileHeader& theHeader,
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const Standard_Boolean theOnlyCount = Standard_False);
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Standard_EXPORT static Standard_CString MagicNumber();
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protected:
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//! read <rsize> character from the current position.
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Standard_EXPORT void ReadChar (TCollection_AsciiString& buffer, const Standard_Size rsize);
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//! read string from the current position.
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Standard_EXPORT void ReadString (TCollection_AsciiString& buffer);
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//! write string at the current position.
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Standard_EXPORT void WriteString (const TCollection_AsciiString& buffer);
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//! write string at the current position.
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Standard_EXPORT static Standard_Integer WriteString (Standard_OStream& theOStream,
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const TCollection_AsciiString& theString,
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const Standard_Boolean theOnlyCount = Standard_False);
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//! read string from the current position.
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Standard_EXPORT void ReadExtendedString (TCollection_ExtendedString& buffer);
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//! write string at the current position.
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Standard_EXPORT void WriteExtendedString (const TCollection_ExtendedString& buffer);
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//! write string at the current position.
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Standard_EXPORT static Standard_Integer WriteExtendedString (Standard_OStream& theOStream,
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const TCollection_ExtendedString& theString,
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const Standard_Boolean theOnlyCount = Standard_False);
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private:
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void WriteHeader();
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void ReadHeader();
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private:
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FSD_BStream myStream;
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FSD_FileHeader myHeader;
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};
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#endif // _FSD_BinaryFile_HeaderFile
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