44 lines
896 B
OpenEdge ABL
44 lines
896 B
OpenEdge ABL
/* DLIST python iteration code, to allow standard iteration over DLIST */
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%extend DLIST
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{
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%pythoncode
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{
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class DLISTIter:
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def __init__(self,aList):
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self.last = aList # last item is the start of list
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def next(self): # get the next item
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item = self.last
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try:
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item = item.Get()
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except:
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pass
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if item is None: # if the item is None, then finish the iteration
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raise StopIteration
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else:
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ret = None
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# first item in list has "Get" as a DLIST
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try:
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ret = self.last.Get()
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except:
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ret = self.last # next items do not..
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self.last = self.last.Next()
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# when the iterated object can be casted down in inheritance, just do it..
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if 'Cast' in dir(ret):
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ret = ret.Cast()
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return ret
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def __iter__(self):
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return self.DLISTIter(self)
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}
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}
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