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[visitor] Add visitLeaf

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This commit is contained in:
Behdad Esfahbod 2022-08-15 17:29:08 -06:00
parent 6af0637e02
commit cb27c528cb
1 changed files with 5 additions and 0 deletions
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5
Lib/fontTools/misc/visitor.py
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@ -91,6 +91,9 @@ class Visitor(object):
for value in obj:
self.visit(value, *args, **kwargs)
def visitLeaf(self, obj, *args, **kwargs):
pass
def visit(self, obj, *args, **kwargs):
visitorFunc = self._visitorsFor(obj).get(None, None)
if visitorFunc is not None:
@ -101,3 +104,5 @@ class Visitor(object):
self.visitObject(obj, *args, **kwargs)
elif isinstance(obj, list):
self.visitList(obj, *args, **kwargs)
else:
self.visitLeaf(obj, *args, **kwargs)