Make android_aar_prebuilt() aware of remaining features

build/android/gyp/aar.py

 #!/usr/bin/env python
 #
 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Processes an Android AAR file."""
 
 import argparse
 import os
+import posixpath
+import re
 import shutil
 import sys
+from xml.etree import ElementTree
 import zipfile
 
 from util import build_utils
 
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__),
                                              os.pardir, os.pardir)))
 import gn_helpers
 
 
+def _IsManifestEmpty(manifest_str):
+  """Returns whether the given manifest has merge-worthy elements.
+
+  E.g.: <activity>, <service>, etc.
+  """
+  doc = ElementTree.fromstring(manifest_str)
+  for node in doc:
+    if node.tag == 'application':
+      if len(node):
+        return False
+    elif node.tag != 'uses-sdk':
+      return False
+
+  return True
+
+
 def main():
   parser = argparse.ArgumentParser(description=__doc__)
   parser.add_argument('--input-file',
                       help='Path to the AAR file.',
                       required=True,
                       metavar='FILE')
   parser.add_argument('--extract',
                       help='Extract the files to output directory.',
                       action='store_true')
   parser.add_argument('--list',
@@ skipping 11 matching lines @@
   aar_file = args.input_file
   output_dir = args.output_dir
 
   if args.extract:
     # Clear previously extracted versions of the AAR.
     shutil.rmtree(output_dir, True)
     build_utils.ExtractAll(aar_file, path=output_dir)
 
   if args.list:
     data = {}
+    data['aidl'] = []
+    data['assets'] = []
     data['resources'] = []
-    data['jars'] = []
+    data['subjars'] = []
+    data['subjar_labels'] = []
+    data['has_classes_jar'] = False
+    data['has_proguard_flags'] = False
+    data['has_native_libraries'] = False
     with zipfile.ZipFile(aar_file) as z:
+      data['is_manifest_empty'] = (
+          _IsManifestEmpty(z.read('AndroidManifest.xml')))
+
       for name in z.namelist():
-        if name.startswith('res/') and not name.endswith('/'):
+        if name.endswith('/'):
+          continue
+        if name.startswith('aidl/'):
+          data['aidl'].append(name)
+        elif name.startswith('res/'):
           data['resources'].append(name)
-        if name.endswith('.jar'):
-          data['jars'].append(name)
+        elif name.startswith('libs/') and name.endswith('.jar'):
+          label = posixpath.basename(name)[:-4]
+          label = re.sub(r'[^a-zA-Z0-9._]', '_', label)
+          data['subjars'].append(name)
+          data['subjar_labels'].append(label)
+        elif name.startswith('assets/'):
+          data['assets'].append(name)
+        elif name.startswith('jni/'):
+          data['has_native_libraries'] = True
+        elif name == 'classes.jar':
+          data['has_classes_jar'] = True
+        elif name == 'proguard.txt':
+          data['has_proguard_flags'] = True
+
     print gn_helpers.ToGNString(data)
 
 
 if __name__ == '__main__':
   sys.exit(main())