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4241.6.1
by Ian Clatworthy
chk_map code from brisbane-core |
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# Copyright (C) 2008 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Serializer object for CHK based inventory storage."""
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from bzrlib import ( |
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inventory, |
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xml5, |
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xml6, |
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)
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class CHKSerializerSubtree(xml6.Serializer_v6): |
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"""A CHKInventory based serializer that supports tree references"""
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supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference']) |
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format_num = '9' |
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revision_format_num = None |
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support_altered_by_hack = False |
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def _unpack_entry(self, elt): |
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kind = elt.tag |
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if not kind in self.supported_kinds: |
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raise AssertionError('unsupported entry kind %s' % kind) |
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if kind == 'tree-reference': |
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file_id = elt.attrib['file_id'] |
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name = elt.attrib['name'] |
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parent_id = elt.attrib['parent_id'] |
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revision = elt.get('revision') |
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reference_revision = elt.get('reference_revision') |
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return inventory.TreeReference(file_id, name, parent_id, revision, |
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reference_revision) |
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else: |
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return xml6.Serializer_v6._unpack_entry(self, elt) |
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def __init__(self, node_size, search_key_name): |
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self.maximum_size = node_size |
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self.search_key_name = search_key_name |
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class CHKSerializer(xml5.Serializer_v5): |
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"""A CHKInventory based serializer with 'plain' behaviour."""
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format_num = '9' |
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revision_format_num = None |
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support_altered_by_hack = False |
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def __init__(self, node_size, search_key_name): |
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self.maximum_size = node_size |
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self.search_key_name = search_key_name |
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chk_serializer_255_bigpage = CHKSerializer(65536, 'hash-255-way') |