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comparison mercurial/manifest.py @ 30342:fe1ee393de78

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manifest: introduce memmanifestctx and memtreemanifestctx This introduces two new classes to represent in-memory manifest instances. Similar to memchangectx, this lets us prepare a manifest in memory, then in a future patch we will add the apis that can commit this in memory structure.
author Durham Goode <durham@fb.com>
date Tue, 08 Nov 2016 08:03:43 -0800
parents 3dfb5a0171c9
children 952e1916ae56
comparison
equal deleted inserted replaced
30341:3dfb5a0171c9 30342:fe1ee393de78
1321 return m 1321 return m
1322 1322
1323 def add(self, m, transaction, link, p1, p2, added, removed): 1323 def add(self, m, transaction, link, p1, p2, added, removed):
1324 return self._revlog.add(m, transaction, link, p1, p2, added, removed) 1324 return self._revlog.add(m, transaction, link, p1, p2, added, removed)
1325 1325
1326 class memmanifestctx(object):
1327 def __init__(self, repo):
1328 self._repo = repo
1329 self._manifestdict = manifestdict()
1330
1331 def new(self):
1332 return memmanifestctx(self._repo)
1333
1334 def read(self):
1335 return self._manifestdict
1336
1326 class manifestctx(object): 1337 class manifestctx(object):
1327 """A class representing a single revision of a manifest, including its 1338 """A class representing a single revision of a manifest, including its
1328 contents, its parent revs, and its linkrev. 1339 contents, its parent revs, and its linkrev.
1329 """ 1340 """
1330 def __init__(self, repo, node): 1341 def __init__(self, repo, node):
1343 def _revlog(self): 1354 def _revlog(self):
1344 return self._repo.manifestlog._revlog 1355 return self._repo.manifestlog._revlog
1345 1356
1346 def node(self): 1357 def node(self):
1347 return self._node 1358 return self._node
1359
1360 def new(self):
1361 return memmanifestctx(self._repo)
1348 1362
1349 def read(self): 1363 def read(self):
1350 if not self._data: 1364 if not self._data:
1351 if self._node == revlog.nullid: 1365 if self._node == revlog.nullid:
1352 self._data = manifestdict() 1366 self._data = manifestdict()
1397 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r)) 1411 d = mdiff.patchtext(revlog.revdiff(revlog.deltaparent(r), r))
1398 return manifestdict(d) 1412 return manifestdict(d)
1399 1413
1400 def find(self, key): 1414 def find(self, key):
1401 return self.read().find(key) 1415 return self.read().find(key)
1416
1417 class memtreemanifestctx(object):
1418 def __init__(self, repo, dir=''):
1419 self._repo = repo
1420 self._dir = dir
1421 self._treemanifest = treemanifest()
1422
1423 def new(self, dir=''):
1424 return memtreemanifestctx(self._repo, dir=dir)
1425
1426 def read(self):
1427 return self._treemanifest
1402 1428
1403 class treemanifestctx(object): 1429 class treemanifestctx(object):
1404 def __init__(self, repo, dir, node): 1430 def __init__(self, repo, dir, node):
1405 self._repo = repo 1431 self._repo = repo
1406 self._dir = dir 1432 self._dir = dir
1441 return self._data 1467 return self._data
1442 1468
1443 def node(self): 1469 def node(self):
1444 return self._node 1470 return self._node
1445 1471
1472 def new(self, dir=''):
1473 return memtreemanifestctx(self._repo, dir=dir)
1474
1446 def readdelta(self, shallow=False): 1475 def readdelta(self, shallow=False):
1447 '''Returns a manifest containing just the entries that are present 1476 '''Returns a manifest containing just the entries that are present
1448 in this manifest, but not in its p1 manifest. This is efficient to read 1477 in this manifest, but not in its p1 manifest. This is efficient to read
1449 if the revlog delta is already p1. 1478 if the revlog delta is already p1.
1450 1479