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comparison mercurial/revlog.py @ 47257:87d057137f82

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revlog: apply compression mode while reading sidedata Right now, we only store things as PLAIN, but we are ready for some compression now. Future changeset will start using some. Differential Revision: https://phab.mercurial-scm.org/D10654
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 03 May 2021 22:48:31 +0200
parents 2b69555e4875
children c4dbb7636a12
comparison
equal deleted inserted replaced
47256:2b69555e4875 47257:87d057137f82
2059 if self._inline: 2059 if self._inline:
2060 sidedata_offset += self.index.entry_size * (1 + rev) 2060 sidedata_offset += self.index.entry_size * (1 + rev)
2061 if sidedata_size == 0: 2061 if sidedata_size == 0:
2062 return {} 2062 return {}
2063 2063
2064 segment = self._getsegment(sidedata_offset, sidedata_size) 2064 comp_segment = self._getsegment(sidedata_offset, sidedata_size)
2065 comp = self.index[rev][11]
2066 if comp == COMP_MODE_PLAIN:
2067 segment = comp_segment
2068 elif comp == COMP_MODE_DEFAULT:
2069 segment = self._decompressor(comp_segment)
2070 elif comp == COMP_MODE_INLINE:
2071 segment = self.decompress(comp_segment)
2072 else:
2073 msg = 'unknown compression mode %d'
2074 msg %= comp
2075 raise error.RevlogError(msg)
2076
2065 sidedata = sidedatautil.deserialize_sidedata(segment) 2077 sidedata = sidedatautil.deserialize_sidedata(segment)
2066 return sidedata 2078 return sidedata
2067 2079
2068 def rawdata(self, nodeorrev, _df=None): 2080 def rawdata(self, nodeorrev, _df=None):
2069 """return an uncompressed raw data of a given node or revision number. 2081 """return an uncompressed raw data of a given node or revision number.