author | Pierre-Yves David <pierre-yves.david@octobus.net> |
Sun, 30 May 2021 17:10:56 +0200 | |
changeset 47395 | a669404f0f4a |
parent 47394 | ac60a1366a49 |
child 47399 | 34cc102c73f5 |
permissions | -rw-r--r-- |
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revlog: introduce an explicit NodeMap class for pure code
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# mercurial.revlogutils -- basic utilities for revlog |
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# |
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# Copyright 2019 Pierre-Yves David <pierre-yves.david@octobus.net> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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from ..interfaces import repository |
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# See mercurial.revlogutils.constants for doc |
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COMP_MODE_INLINE = 2 |
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def offset_type(offset, type): |
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if (type & ~repository.REVISION_FLAGS_KNOWN) != 0: |
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raise ValueError(b'unknown revlog index flags: %d' % type) |
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return int(int(offset) << 16 | type) |
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def entry( |
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data_offset, |
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data_compressed_length, |
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data_delta_base, |
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link_rev, |
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parent_rev_1, |
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parent_rev_2, |
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node_id, |
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flags=0, |
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data_uncompressed_length=-1, |
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data_compression_mode=COMP_MODE_INLINE, |
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sidedata_offset=0, |
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sidedata_compressed_length=0, |
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sidedata_compression_mode=COMP_MODE_INLINE, |
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): |
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"""Build one entry from symbolic name |
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This is useful to abstract the actual detail of how we build the entry |
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tuple for caller who don't care about it. |
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This should always be called using keyword arguments. Some arguments have |
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default value, this match the value used by index version that does not store such data. |
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""" |
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return ( |
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offset_type(data_offset, flags), |
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data_compressed_length, |
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data_uncompressed_length, |
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data_delta_base, |
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link_rev, |
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parent_rev_1, |
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parent_rev_2, |
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node_id, |
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sidedata_offset, |
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sidedata_compressed_length, |
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data_compression_mode, |
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sidedata_compression_mode, |
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) |