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https://git.dev.opencascade.org/repos/occt.git
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aa00364da7
Operator of cast to non-const reference is declared deprecated to produce compiler warning if used (usually implicitly). OCCT code is updated to avoid that cast, occurring when function accepting non-const reference to handle is called with handle to derived type. For that, local variable of argument type is passed instead, and down-cast is used to get it to desired type after the call. A few occurrences of use of uninitialized variable are corrected.
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
// Created by: DAUTRY Philippe
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// Copyright (c) 1997-1999 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 _DDF_HeaderFile
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#define _DDF_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 <Standard_Boolean.hxx>
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#include <Standard_CString.hxx>
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#include <Draw_Interpretor.hxx>
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class TDF_Data;
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class TDF_Label;
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class Standard_GUID;
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class TDF_Attribute;
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class DDF_Data;
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class DDF_Browser;
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class DDF_Transaction;
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//! Provides facilities to manipulate data framework
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//! in a Draw-Commands environment.
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class DDF
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Search in draw directory the framewok identified
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//! by its name <Name>. returns True if found. In that
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//! case <DF> is setted.
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Standard_EXPORT static Standard_Boolean GetDF (Standard_CString& Name, Handle(TDF_Data)& DF, const Standard_Boolean Complain = Standard_True);
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//! Search in <DF> the label identified by its entry
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//! <Entry>. returns <True> if found. In that case
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//! <Label> is setted.
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Standard_EXPORT static Standard_Boolean FindLabel (const Handle(TDF_Data)& DF, const Standard_CString Entry, TDF_Label& Label, const Standard_Boolean Complain = Standard_True);
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//! Search in <DF> the label identified by its entry
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//! <Entry>. if label doesn't exist, create and add
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//! the Label in <DF>. In that case return True.
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Standard_EXPORT static Standard_Boolean AddLabel (const Handle(TDF_Data)& DF, const Standard_CString Entry, TDF_Label& Label);
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//! Search in <DF> the attribute identified by its
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//! <ID> and its <entry>. returns <True> if found. In
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//! that case A is setted.
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Standard_EXPORT static Standard_Boolean Find (const Handle(TDF_Data)& DF, const Standard_CString Entry, const Standard_GUID& ID, Handle(TDF_Attribute)& A, const Standard_Boolean Complain = Standard_True);
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//! Safe variant for arbitrary type of argument
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template <class T>
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static Standard_Boolean Find (const Handle(TDF_Data)& DF, const Standard_CString Entry, const Standard_GUID& ID, Handle(T)& A, const Standard_Boolean Complain = Standard_True)
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{
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Handle(TDF_Attribute) anAttr = A;
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return Find (DF, Entry, ID, anAttr, Complain) && ! (A = Handle(T)::DownCast(anAttr)).IsNull();
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}
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Standard_EXPORT static Draw_Interpretor& ReturnLabel (Draw_Interpretor& theCommands, const TDF_Label& L);
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Standard_EXPORT static void AllCommands (Draw_Interpretor& theCommands);
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//! Basic commands.
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Standard_EXPORT static void BasicCommands (Draw_Interpretor& theCommands);
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//! Data framework commands
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//! create, clear & copy.
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Standard_EXPORT static void DataCommands (Draw_Interpretor& theCommands);
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//! open commit abort a transaction
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//! undo facilities.
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Standard_EXPORT static void TransactionCommands (Draw_Interpretor& theCommands);
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//! Browser commands .
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Standard_EXPORT static void BrowserCommands (Draw_Interpretor& theCommands);
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protected:
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private:
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friend class DDF_Data;
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friend class DDF_Browser;
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friend class DDF_Transaction;
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};
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#endif // _DDF_HeaderFile
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