Add special table formatting for Cipher.

Extracts a new file for JSON loading and cleans up a couple style issues.

Updates the support for GCM to 10+, it was available at least in that
version.

Bug: 35793879
Test: Manual inspection of output
Change-Id: I84f74fd14506cb36e0744a77c0223f5e3b86ca1b

1 files changed, 31 insertions, 0 deletions

diff --git a/tools/docs/crypto/crypto_docs.py b/tools/docs/crypto/crypto_docs.py
new file mode 100644
index 0000000000..d1f220dc87
--- /dev/null
+++ b/tools/docs/crypto/crypto_docs.py
@@ -0,0 +1,31 @@
+# Copyright (C) 2017 The Android Open Source Project
+#
+# 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.
+
+'''Utility functions for crypto doc updating tools.'''
+
+import json
+
+
+def load_json(filename):
+    '''Returns an object containing the JSON data from the provided file.'''
+    f = open(filename)
+    # JSON doesn't allow comments, but we have some header docs in our file,
+    # so strip comments out before parsing
+    stripped_contents = ''
+    for line in f:
+        if not line.strip().startswith('#'):
+            stripped_contents += line
+    data = json.loads(stripped_contents)
+    f.close()
+    return data