Import of the watch repository from Pebble

tools/cat_resource_table.py

@@ -0,0 +1,58 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+import sys
+import json
+import struct
+
+def main(pack_path, manifest_path):
+    with open(manifest_path, 'r') as f:
+        manifest = json.load(f)
+
+    resource_names = []
+    for r in manifest['media']:
+        if r['type'] == 'png-trans':
+            resource_names.append(r['defName'] + '_WHITE')
+            resource_names.append(r['defName'] + '_BLACK')
+        else:
+            resource_names.append(r['defName'])
+
+    with open(pack_path, 'rb') as f:
+        header = f.read(4116)
+
+    def resource_generator(tbl, num):
+        for i in xrange(0, num * 16, 16):
+            yield struct.unpack('<IIII', tbl[i:i + 16])
+
+    (num_resources, res_version) = struct.unpack('<I16s', header[:20])
+
+
+    print 'number of resources: {}'.format(num_resources)
+    print 'resource pack version: {}'.format(res_version)
+    print 'resource entries:'
+    print ''
+    print '{:<32s}\t{:>8s}\t{:>8s}\t{:>8s}'.format('name', 'offset', 'size', 'crc')
+    print '{:<32s}\t{:>8s}\t{:>8s}\t{:>8s}'.format('----', '------', '----', '---')
+    for x in resource_generator(header[20:], num_resources):
+        (index, offset, size, crc) = x
+        print '{:<32s}\t{:>8d}\t{:>8d}\t{:>08x}'.format(resource_names[index], offset, size, crc)
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('resource_pack')
+    parser.add_argument('resource_map')
+    args = parser.parse_args()
+
+    main(args.resource_pack, args.resource_map)