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179 lines
4.9 KiB
C++
Executable File
179 lines
4.9 KiB
C++
Executable File
// File: TDF_LabelNode.hxx
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// ------------------
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// Author: DAUTRY Philippe
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// <[email protected]>
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// Copyright: Matra Datavision 1997
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// Version: 0.0
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// History: Version Date Purpose
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// 0.0 Feb 6 1997 Creation
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//#include <TDF_Data.hxx>
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#ifndef TDF_LabelNode_HeaderFile
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#define TDF_LabelNode_HeaderFile
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#include <TCollection_AsciiString.hxx>
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#include <TDF_Attribute.hxx>
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#include <TDF_LabelNodePtr.hxx>
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#include <NCollection_IncAllocator.hxx>
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class TDF_Attribute;
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class TDF_AttributeIterator;
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class TDF_ChildIterator;
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class TDF_Data;
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class Handle_TDF_Data;
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class TDF_Label;
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#define KEEP_LOCAL_ROOT
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enum {
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TDF_LabelNodeImportMsk = (int) 0x80000000, // Because the sign bit (HP).
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TDF_LabelNodeAttModMsk = 0x40000000,
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TDF_LabelNodeMayModMsk = 0x20000000,
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TDF_LabelNodeFlagsMsk = (TDF_LabelNodeImportMsk \
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| TDF_LabelNodeAttModMsk \
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| TDF_LabelNodeMayModMsk)
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};
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//=======================================================================
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//class: TDF_LabelNode
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//=======================================================================
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class TDF_LabelNode {
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public :
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// Public Methods
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// --------------------------------------------------------------------------
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// Father access
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inline TDF_LabelNode* Father() const
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{ return myFather; };
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// Brother access
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inline TDF_LabelNode* Brother() const
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{ return myBrother; };
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// Child access
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inline TDF_LabelNode* FirstChild() const
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{ return myFirstChild; };
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// Attribute access
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inline const Handle(TDF_Attribute)& FirstAttribute() const
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{ return myFirstAttribute; };
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// Tag access
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inline Standard_Integer Tag() const
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{ return myTag; };
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// Depth access
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inline Standard_Integer Depth() const
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{ return (myFlags & ~TDF_LabelNodeFlagsMsk); };
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// IsRoot
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inline Standard_Boolean IsRoot() const
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{ return myFather == NULL; };
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// Data
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Standard_EXPORT TDF_Data * Data() const;
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// Flag AttributesModified access
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inline void AttributesModified(const Standard_Boolean aStatus)
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{
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myFlags = (aStatus) ?
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(myFlags | TDF_LabelNodeAttModMsk) :
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(myFlags & ~TDF_LabelNodeAttModMsk);
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if (aStatus) AllMayBeModified();
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};
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inline Standard_Boolean AttributesModified() const
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{ return ((myFlags & TDF_LabelNodeAttModMsk) != 0); };
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// Flag MayBeModified access
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inline void MayBeModified(const Standard_Boolean aStatus)
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{ myFlags = (aStatus) ?
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(myFlags | TDF_LabelNodeMayModMsk) :
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(myFlags & ~TDF_LabelNodeMayModMsk); };
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inline Standard_Boolean MayBeModified() const
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{ return ((myFlags & TDF_LabelNodeMayModMsk) != 0); };
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// Constructor
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TDF_LabelNode(TDF_Data* Data); // Useful for root node.
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// Destructor
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~TDF_LabelNode();
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// Memory management
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void * operator new (size_t aSize,
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const Handle(NCollection_IncAllocator)& anAlloc)
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{ return anAlloc -> Allocate (aSize); }
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void operator delete(void *) { }
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// nothing to do in operator delete since IncAllocator does not need it
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// Public Friends
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// --------------------------------------------------------------------------
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friend class TDF_Data;
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friend class TDF_Label;
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private :
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void* operator new(size_t);
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// Private Methods
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// --------------------------------------------------------------------------
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// Constructor
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TDF_LabelNode(const Standard_Integer Tag, TDF_LabelNode* Father);
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// Others
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void AddAttribute(const Handle(TDF_Attribute)& afterAtt,
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const Handle(TDF_Attribute)& newAtt);
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void RemoveAttribute(const Handle(TDF_Attribute)& afterAtt,
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const Handle(TDF_Attribute)& oldAtt);
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TDF_LabelNode* RootNode ();
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const TDF_LabelNode* RootNode () const;
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Standard_EXPORT void AllMayBeModified();
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// Tag modification
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inline void Tag(const Standard_Integer aTag)
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{ myTag = aTag; };
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// Depth modification
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inline void Depth(const Standard_Integer aDepth)
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{ myFlags = ((myFlags & TDF_LabelNodeFlagsMsk) | aDepth); };
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// Flag Imported access
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inline void Imported(const Standard_Boolean aStatus)
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{ myFlags = (aStatus) ?
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(myFlags | TDF_LabelNodeImportMsk) :
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(myFlags & ~TDF_LabelNodeImportMsk); };
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inline Standard_Boolean IsImported() const
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{ return ((myFlags & TDF_LabelNodeImportMsk) != 0); };
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// Private Fields
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// --------------------------------------------------------------------------
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TDF_LabelNodePtr myFather;
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TDF_LabelNodePtr myBrother;
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TDF_LabelNodePtr myFirstChild;
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TDF_LabelNodePtr myLastFoundChild; //jfa 10.01.2003
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Standard_Integer myTag;
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Standard_Integer myFlags; // Flags & Depth
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Handle(TDF_Attribute) myFirstAttribute;
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#ifdef KEEP_LOCAL_ROOT
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TDF_Data * myData;
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#endif
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#ifdef DEB
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TCollection_AsciiString myDebugEntry;
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#endif
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};
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#endif
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