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66 lines
2.1 KiB
C++
Executable File
66 lines
2.1 KiB
C++
Executable File
#include <Standard_Transient.hxx>
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#include <Standard_Persistent.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_RangeError.hxx>
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//============================================================================
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Standard_EXPORT Standard_Integer HashCode(const Standard_Address me,const Standard_Integer Upper,const Handle(Standard_Type)& aType)
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{
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char *mecharPtr;
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Standard_Integer *meintPtr = (Standard_Integer *) me;
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Standard_Integer aHashCode, aRest, i, aSize = aType->Size();
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Standard_RangeError_Raise_if (Upper < 1,
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"Try to apply HashCode method with negative or null argument.");
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aRest = aSize % sizeof(Standard_Integer);
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aHashCode = 0;
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if (aSize == 0)
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aHashCode = (Standard_Integer) ptrdiff_t(me);
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for (i = 0; (unsigned int ) i < aSize / sizeof(Standard_Integer); i++)
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{
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aHashCode = aHashCode ^ *meintPtr;
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meintPtr++;
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}
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mecharPtr = (char *) meintPtr;
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for (i = 0; i < aRest; i++)
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{
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aHashCode = aHashCode ^ *mecharPtr;
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mecharPtr++;
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}
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return HashCode( aHashCode , Upper) ;
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}
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//============================================================================
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Standard_EXPORT Standard_Integer HashCode (const Handle(Standard_Transient)& me,
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const Standard_Integer Upper )
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{
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Standard_RangeError_Raise_if (Upper < 1,
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"Try to apply HashCode method "
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"with negative or null argument.");
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const Standard_Integer I = (Standard_Integer) ptrdiff_t(me.operator->());
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return HashCode( I , Upper ) ;
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}
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//============================================================================
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Standard_EXPORT Standard_Integer HashCode(const Handle(Standard_Persistent)& me,
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const Standard_Integer Upper )
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{
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Standard_RangeError_Raise_if (Upper < 1,
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"Try to apply HashCode method "
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"with negative or null argument.");
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const Standard_Integer I = (Standard_Integer) ptrdiff_t(me.operator->());
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return HashCode( I , Upper) ;
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}
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