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Description of TDocStd_FormatVersion enum is simplified and formatting for good rendering in HTML
70 lines
4.0 KiB
C++
70 lines
4.0 KiB
C++
// Copyright (c) 2020 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 _TDocStdFormatVersion_HeaderFile
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#define _TDocStdFormatVersion_HeaderFile
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//! Storage format versions of OCAF documents in XML and binary file formats.
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//!
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//! OCAF document file format evolves and a new version number indicates each improvement of the format.
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//! This enumeration lists all versions of an OCAF document. TDocStd_FormatVersion_CURRENT value refers to the last file format version.
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//! By default, Open CASCADE Technology writes new documents using the last file format version.
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//! The last version of Open CASCADE Technology is able to read old documents of any version.
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//! However, a previous version of Open CASCADE Technology may not be able to read a new document.
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//! In this case use the method ChangeStorageFormatVersion() from TDocStd_Document to change the file format version.
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//! Then, save the document by means of SaveAs() from TDocStd_Application.
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//!
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//! If it is necessary to improve an XML or binary file format of OCAF document, follow please the next steps:
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//! - increment the file format version in this enumeration. Put a reference to the last file format version by means of TDocStd_FormatVersion_CURRENT.
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//! - introduce the improvement in OCAF attribute storage and retrieval drivers, if necessary.
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//! As an example, please consider the file XmlMDataStd_TreeNodeDriver.cxx.
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//! - test the improvement on current file format version and on the previous one.
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enum TDocStd_FormatVersion
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{
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TDocStd_FormatVersion_VERSION_2 = 2, //!< First supported version
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TDocStd_FormatVersion_VERSION_3, //!< OCCT 6.3.0
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//!< * XML: Adding DeltaOnModification functionality to set of Standard attributes [#0019403]
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//!< * BIN: Add Delta to numbers data, changes in ShapeSection [#0019986, #0019403]
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TDocStd_FormatVersion_VERSION_4, //!< OCCT 6.3.1
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//!< * XML: Naming mechanism improvement [#0021004]
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//!< * BIN: entry, ContextLabel for tree [#0021004]
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TDocStd_FormatVersion_VERSION_5, //!< OCCT 6.3.1
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//!< * XML: Separation of OCAF to Lite and Standard parts completion [#0021093]
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//!< * BIN: Convert old format to new [#0021093]
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TDocStd_FormatVersion_VERSION_6, //!< OCCT 6.5.0
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//!< * XML: Add location [#0022192]
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//!< * BIN: Add location [#0022192]
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TDocStd_FormatVersion_VERSION_7, //!< OCCT 6.7.0
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//!< * XML: Add orientation [#0023766]
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//!< * BIN: Add orientation, type migration [#0023766]
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TDocStd_FormatVersion_VERSION_8, //!< OCCT 7.0.0
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//!< * XML: Replace TPrsStd_AISPresentation attribute with TDataXtd_Presentation [#0026290]
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//!< * BIN: Stop convert old format [#0026290]
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TDocStd_FormatVersion_VERSION_9, //!< OCCT 7.1.0
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//!< * BIN: Add GUIDs, Process user defined guid [#0027932]
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TDocStd_FormatVersion_VERSION_10, //!< OCCT 7.2.0
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//!< * BIN: ReadTOC changed to handle 64-bit file length [#0028736]
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TDocStd_FormatVersion_CURRENT = TDocStd_FormatVersion_VERSION_10 //!< The latest version
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};
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#endif // _TDocStdFormatVersion_HeaderFile
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