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comparison mercurial/revset.py @ 20707:1d5d6f622b94

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revset: made descgeneratorset a private class This class is not supposed to be used outside revset.py since it only wraps content that is used by baseset typed classes. It only gets created by revset operations or private methods.
author Lucas Moscovicz <lmoscovicz@fb.com>
date Wed, 12 Mar 2014 17:19:46 -0700
parents efb34b066e7a
children 17c89e5a5627
comparison
equal deleted inserted replaced
20706:efb34b066e7a 20707:1d5d6f622b94
44 yield current 44 yield current
45 for parent in cl.parentrevs(current)[:cut]: 45 for parent in cl.parentrevs(current)[:cut]:
46 if parent != node.nullrev: 46 if parent != node.nullrev:
47 heapq.heappush(h, -parent) 47 heapq.heappush(h, -parent)
48 48
49 return descgeneratorset(iterate()) 49 return _descgeneratorset(iterate())
50 50
51 def _revdescendants(repo, revs, followfirst): 51 def _revdescendants(repo, revs, followfirst):
52 """Like revlog.descendants() but supports followfirst.""" 52 """Like revlog.descendants() but supports followfirst."""
53 cut = followfirst and 1 or None 53 cut = followfirst and 1 or None
54 54
2411 break 2411 break
2412 2412
2413 self._cache[x] = False 2413 self._cache[x] = False
2414 return False 2414 return False
2415 2415
2416 class descgeneratorset(_generatorset): 2416 class _descgeneratorset(_generatorset):
2417 """ Same structure as _generatorset but stops iterating after it goes past 2417 """Wrap a generator of descending elements for lazy iteration
2418
2419 Same structure as _generatorset but stops iterating after it goes past
2418 the value when asked for membership and the element is not contained 2420 the value when asked for membership and the element is not contained
2421
2422 This class does not duck-type baseset and it's only supposed to be used
2423 internally
2419 """ 2424 """
2420 def __contains__(self, x): 2425 def __contains__(self, x):
2421 if x in self._cache: 2426 if x in self._cache:
2422 return self._cache[x] 2427 return self._cache[x]
2423 2428