8b6e0dd9e4
Change-Id: Iaa329dff61db894e7d5fecd840e785a53a48b26f Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160889 Tested-by: Jenkins Reviewed-by: Hossein <hossein@libreoffice.org>
88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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import sys
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import struct
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column_block_type = {
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0 : "empty block",
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1 : "numeric block",
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2 : "string block"
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}
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def parse_block(data, index):
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start_row = struct.unpack('Q', data[index:index+8])[0]
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index += 8
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data_size = struct.unpack('Q', data[index:index+8])[0]
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index += 8
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block_type = struct.unpack('B', data[index:index+1])[0]
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index += 1
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vals = {}
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if block_type == 1:
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# numeric block
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for i in range(data_size):
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vals[start_row + i] = struct.unpack('d', data[index:index+8])[0]
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index += 8
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elif block_type == 2:
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# string block
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for i in range(data_size):
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str_length = struct.unpack('i', data[index:index+4])[0]
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index += 4
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vals[start_row + i] = data[index:index+str_length].decode("utf-8")
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index += str_length
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elif block_type == 3:
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# formula block
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read_rows = 0
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while read_rows < data_size:
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formula_group_size = struct.unpack('Q', data[index:index+8])[0]
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index += 8
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str_length = struct.unpack('i', data[index:index+4])[0]
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index += 4
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vals[start_row + read_rows] = (data[index:index+str_length].decode("utf-8"), "formula group length %i"% formula_group_size)
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read_rows += formula_group_size
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index += str_length
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return index, data_size, vals
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def parse_column(data, index):
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# get the column index
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struct.unpack('Q', data[index:index+8])[0]
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index += 8
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column_entries = struct.unpack('Q', data[index:index+8])[0]
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index += 8
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imported_columns = 0
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column_values = {}
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while imported_columns < column_entries:
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index, block_size, vals = parse_block(data, index)
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imported_columns += block_size
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column_values.update(vals)
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return index, column_values
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def parse_columns(data, index):
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column_count = struct.unpack('Q', data[index:index+8])[0]
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index += 8
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columns = {}
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for i in range(column_count):
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index, column_values = parse_column(data, index)
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columns[i] = column_values
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return columns
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def main():
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filename = sys.argv[1]
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with open(filename, "rb") as f:
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content = f.read()
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index = 0
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columns = parse_columns(content, index)
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print(columns)
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if __name__ == "__main__":
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main()
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# vim:set shiftwidth=4 softtabstop=4 expandtab: */
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