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99 lines
3.6 KiB
C++
Executable File
99 lines
3.6 KiB
C++
Executable File
// Copyright (c) 1998-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#ifndef _Standard_Transient_proto_HeaderFile
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#define _Standard_Transient_proto_HeaderFile
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#ifndef _Standard_DefineAlloc_HeaderFile
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#include <Standard_DefineAlloc.hxx>
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#endif
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#ifndef _Standard_Macro_HeaderFile
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#include <Standard_Macro.hxx>
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#endif
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#ifndef _Standard_HeaderFile
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#include <Standard.hxx>
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#endif
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class Handle_Standard_Transient;
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class Standard_Type;
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class Handle_Standard_Type;
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//! Abstract class which forms the root of the entire
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//! Transient class hierarchy.
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class Standard_Transient
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{
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//---- uses the friend Standard_Transient class
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friend class Handle(Standard_Transient);
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public:
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DEFINE_STANDARD_ALLOC
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//! Empty constructor
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Standard_Transient() : count(0) {}
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//! Copy constructor -- does nothing
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Standard_Transient(const Standard_Transient&) : count(0) {}
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//! Assignment operator, needed to avoid copying reference counter
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Standard_Transient& operator= (const Standard_Transient&) { return *this; }
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//! Destructor must be virtual
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Standard_EXPORT virtual ~Standard_Transient();
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//! Memory deallocator for transient classes
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Standard_EXPORT virtual void Delete() const;
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Standard_EXPORT virtual void ShallowDump(Standard_OStream& ) const;
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//! Returns a type information object about this object.
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Standard_EXPORT virtual const Handle_Standard_Type& DynamicType() const;
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//! Returns a true value if this is an instance of Type.
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Standard_EXPORT Standard_Boolean IsInstance(const Handle_Standard_Type& theType) const;
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//! Returns a true value if this is an instance of TypeName.
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Standard_EXPORT Standard_Boolean IsInstance(const Standard_CString theTypeName) const;
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//! Returns true if this is an instance of Type or an
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//! instance of any class that inherits from Type.
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//! Note that multiple inheritance is not supported by OCCT RTTI mechanism.
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Standard_EXPORT Standard_Boolean IsKind(const Handle_Standard_Type& theType) const;
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//! Returns true if this is an instance of TypeName or an
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//! instance of any class that inherits from TypeName.
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//! Note that multiple inheritance is not supported by OCCT RTTI mechanism.
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Standard_EXPORT Standard_Boolean IsKind(const Standard_CString theTypeName) const;
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//! Returns a Handle which references this object.
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//! Must never be called to objects created in stack.
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Standard_EXPORT virtual Handle_Standard_Transient This() const;
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//! Get the reference counter of this object.
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Standard_EXPORT Standard_Integer GetRefCount() const { return count; }
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private:
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volatile Standard_Integer count;
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};
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Standard_EXPORT const Handle(Standard_Type)& STANDARD_TYPE(Standard_Transient);
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#endif
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