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28 lines
758 B
28 lines
758 B
class Depth:
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depth = 0
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sub_depth = {}
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def get(self, name=None):
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if name:
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return self.sub_depth[name] if name in self.sub_depth else 0
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return depth
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def descend(self, name=None):
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self.depth = self.depth + 1
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if name:
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sub_depth = (
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self.sub_depth[name] if name in self.sub_depth else 0
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) + 1
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self.sub_depth[name] = sub_depth
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return self.get(name)
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def ascend(self, name=None):
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self.depth = max(0, self.depth - 1)
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if name:
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sub_depth = max(
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0, (self.sub_depth[name] if name in self.sub_depth else 0) - 1
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)
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self.sub_depth[name] = sub_depth
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return self.get(name)
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