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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
// Created on: 1993-02-26
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// Created by: Remi LEQUETTE
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// Copyright (c) 1993-1999 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 _TCollection_BasicMapIterator_HeaderFile
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#define _TCollection_BasicMapIterator_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_Integer.hxx>
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#include <Standard_Address.hxx>
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#include <Standard_Boolean.hxx>
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class TCollection_BasicMap;
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//! This class provides basic services for the
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//! iterators on Maps. The iterators are inherited
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//! from this one.
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//!
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//! The iterator contains an array of pointers
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//! (buckets). Each bucket is a pointer on a node. A
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//! node contains a pointer on the next node.
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//!
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//! This class provides also basic services for the
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//! implementation of Maps.
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//! A map iterator provides a step by step exploration of all
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//! entries of a map. After initialization of a concrete derived
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//! iterator, use in a loop:
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//! - the function More to know if there is a current entry for
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//! the iterator in the map,
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//! - then the functions which read data on an entry of the
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//! map (these functions are provided by each type of map),
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//! - then the function Next to set the iterator to the next entry of the map.
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//! Warning
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//! - A map is a non-ordered data structure. The order in
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//! which entries of a map are explored by the iterator
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//! depends on its contents, and change when the map is edited.
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//! - It is not recommended to modify the contents of a map
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//! during iteration: the result is unpredictable.
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class TCollection_BasicMapIterator
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Resets the iterator to the first node.
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Standard_EXPORT void Reset();
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//! Returns true if there is a current entry for this iterator in the map.
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//! Use the function Next to set this iterator to the position of
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//! the next entry, if it exists.
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Standard_Boolean More() const;
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//! Sets this iterator to the position of the next entry of the map.
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//! Nothing is changed if there is no more entry to explore in
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//! the map: this iterator is always positioned on the last entry
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//! of the map but the function More returns false.
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Standard_EXPORT void Next();
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protected:
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//! Creates an empty iterator.
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Standard_EXPORT TCollection_BasicMapIterator();
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//! Initialize on the first node in the buckets.
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Standard_EXPORT TCollection_BasicMapIterator(const TCollection_BasicMap& M);
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//! Initialize on the first node in the buckets.
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Standard_EXPORT void Initialize (const TCollection_BasicMap& M);
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Standard_Address myNode;
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private:
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Standard_Integer myNbBuckets;
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Standard_Address myBuckets;
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Standard_Integer myBucket;
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};
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#include <TCollection_BasicMapIterator.lxx>
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#endif // _TCollection_BasicMapIterator_HeaderFile
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