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revlog: regroup parsing code

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This commit is contained in:
Matt Mackall 2007-07-23 20:44:07 -05:00
parent 3dfe783ec5
commit 2158f34c5f
1 changed files with 23 additions and 18 deletions
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41
mercurial/revlog.py
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@ -378,32 +378,32 @@ class revlog(object):
raise RevlogError(_("index %s unknown format %d")
% (self.indexfile, fmt))
self.version = v
if v == REVLOGV0:
self.nodemap = {nullid: nullrev}
self.index = []
self.indexformat = indexformatng
if self.version == REVLOGV0:
self.indexformat = indexformatv0
shaoffset = v0shaoffset
else:
self.indexformat = indexformatng
shaoffset = ngshaoffset
if i:
if (lazyparser.safe_to_use and not self._inline() and
st and st.st_size > 10000):
# big index, let's parse it on demand
parser = lazyparser(f, st.st_size, self.indexformat, shaoffset)
self.index = lazyindex(parser)
self.nodemap = lazymap(parser)
else:
self._parseindex(f, st)
self._parseindex(f, st)
def _parseindex(self, fp, st):
shaoffset = ngshaoffset
if self.version == REVLOGV0:
shaoffset = v0shaoffset
if (lazyparser.safe_to_use and not self._inline() and
st and st.st_size > 10000):
# big index, let's parse it on demand
parser = lazyparser(fp, st.st_size, self.indexformat, shaoffset)
self.index = lazyindex(parser)
self.nodemap = lazymap(parser)
if self.version != REVLOGV0:
e = list(self.index[0])
type = gettype(e[0])
e[0] = offset_type(0, type)
self.index[0] = e
else:
self.nodemap = {nullid: nullrev}
self.index = []
return
def _parseindex(self, fp, st):
s = struct.calcsize(self.indexformat)
self.index = []
self.nodemap = {nullid: nullrev}
@ -447,6 +447,11 @@ class revlog(object):
if not st:
break
if self.version != REVLOGV0:
e = list(self.index[0])
type = gettype(e[0])
e[0] = offset_type(0, type)
self.index[0] = e
def _loadindex(self, start, end):
"""load a block of indexes all at once from the lazy parser"""