From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:06:44 +0200
Subject: Adding upstream version 4:7.4.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 sc/workben/cache.py | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 sc/workben/cache.py

(limited to 'sc/workben/cache.py')

diff --git a/sc/workben/cache.py b/sc/workben/cache.py
new file mode 100644
index 000000000..ba96abe97
--- /dev/null
+++ b/sc/workben/cache.py
@@ -0,0 +1,87 @@
+# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+import sys
+import struct
+
+column_block_type = {
+        0 : "empty block",
+        1 : "numeric block",
+        2 : "string block"
+        }
+
+
+def parse_block(data, index):
+    start_row = struct.unpack('Q', data[index:index+8])[0]
+    index += 8
+    data_size = struct.unpack('Q', data[index:index+8])[0]
+    index += 8
+    block_type = struct.unpack('B', data[index:index+1])[0]
+    index += 1
+    vals = {}
+    if block_type == 1:
+        # numeric block
+        for i in range(data_size):
+            vals[start_row + i] = struct.unpack('d', data[index:index+8])[0]
+            index += 8
+    elif block_type == 2:
+        # string block
+        for i in range(data_size):
+            str_length = struct.unpack('i', data[index:index+4])[0]
+            index += 4
+            vals[start_row + i] = data[index:index+str_length].decode("utf-8")
+            index += str_length
+    elif block_type == 3:
+        # formula block
+        read_rows = 0
+        while read_rows < data_size:
+            formula_group_size = struct.unpack('Q', data[index:index+8])[0]
+            index += 8
+            str_length = struct.unpack('i', data[index:index+4])[0]
+            index += 4
+            vals[start_row + read_rows] = (data[index:index+str_length].decode("utf-8"), "formula group length %i"% formula_group_size)
+            read_rows += formula_group_size
+            index += str_length
+
+    return index, data_size, vals
+
+
+def parse_column(data, index):
+    column_index = struct.unpack('Q', data[index:index+8])[0]
+    index += 8
+    column_entries = struct.unpack('Q', data[index:index+8])[0]
+    index += 8
+    imported_columns = 0
+    column_values = {}
+    while imported_columns < column_entries:
+        index, block_size, vals = parse_block(data, index)
+        imported_columns += block_size
+        column_values.update(vals)
+    return index, column_values
+
+def parse_columns(data, index):
+    column_count = struct.unpack('Q', data[index:index+8])[0]
+    index += 8
+    columns = {}
+    for i in range(column_count):
+        index, column_values = parse_column(data, index)
+        columns[i] = column_values
+
+    return columns
+
+def main():
+    filename = sys.argv[1]
+    with open(filename, "rb") as f:
+        content = f.read()
+        index = 0
+        columns = parse_columns(content, index)
+        print(columns)
+
+if __name__ == "__main__":
+    main()
+
+# vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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