Integration of OCCT 6.5.0 from SVN

src/PCollection/PCollection_QueueIterator.gxx

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+#include <Standard_NoSuchObject.hxx>
+#include <Standard_NoMoreObject.hxx>
+
+// --------------------------------
+// constructor of QueueIterator
+// --------------------------------
+
+PCollection_QueueIterator::PCollection_QueueIterator
+          (const Handle(PCollection_HQueue)& S) 
+{
+     TheIterator = S->FFront();
+}
+
+// -----------------------------------
+// More : returns Standard_True if there 
+// are other items
+// -----------------------------------
+Standard_Boolean PCollection_QueueIterator::More() const
+{
+       return ( ! TheIterator->IsEmpty() );
+}
+
+// -----------------------------------------
+// Next : set the iterator to the next item
+// -----------------------------------------
+void PCollection_QueueIterator::Next()
+{
+    if (TheIterator->IsEmpty())  Standard_NoMoreObject::Raise();  
+    TheIterator = TheIterator->Tail();
+}
+
+// ---------------------------------------
+// Value : returns the current item value 
+// of the iterator
+// ---------------------------------------
+Item PCollection_QueueIterator::Value() const
+{
+    if (TheIterator->IsEmpty()) Standard_NoSuchObject::Raise();
+    return TheIterator->Value();
+}
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