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# Copyright (C) 2008, 2009, 2010 Canonical Ltd
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# Copyright (C) 2008 Canonical Ltd
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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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"""B+Tree index parsing."""
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from bzrlib import static_tuple
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def _parse_leaf_lines(bytes, key_length, ref_list_length):
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lines = bytes.split('\n')
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as_st = static_tuple.StaticTuple.from_sequence
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stuple = static_tuple.StaticTuple
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for line in lines[1:]:
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elements = line.split('\0', key_length)
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key = as_st(elements[:key_length]).intern()
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key = tuple(elements[:key_length])
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line = elements[-1]
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references, value = line.rsplit('\0', 1)
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if ref_list_length:
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for ref_string in references.split('\t'):
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ref_list = as_st([as_st(ref.split('\0')).intern()
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for ref in ref_string.split('\r') if ref])
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ref_lists.append(ref_list)
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ref_lists = as_st(ref_lists)
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node_value = stuple(value, ref_lists)
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ref_lists.append(tuple([
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tuple(ref.split('\0')) for ref in ref_string.split('\r') if ref
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ref_lists = tuple(ref_lists)
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node_value = (value, ref_lists)
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node_value = stuple(value, stuple())
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# No need for StaticTuple here as it is put into a dict
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node_value = (value, ())
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nodes.append((key, node_value))