1 files changed, 39 insertions, 0 deletions
diff --git a/tools/inspector_protocol/concatenate_protocols.py b/tools/inspector_protocol/concatenate_protocols.py
new file mode 100755
index 0000000000..e9f448efe7
--- /dev/null
+++ b/tools/inspector_protocol/concatenate_protocols.py
@@ -0,0 +1,39 @@
+#!/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.
+
+import os.path
+import sys
+
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+import pdl
+
+def main(argv):
+    if len(argv) < 1:
+        sys.stderr.write("Usage: %s <protocol-1> [<protocol-2> [, <protocol-3>...]] <output-file>\n" % sys.argv[0])
+        return 1
+
+    domains = []
+    version = None
+    for protocol in argv[:-1]:
+        file_name = os.path.normpath(protocol)
+        if not os.path.isfile(file_name):
+            sys.stderr.write("Cannot find %s\n" % file_name)
+            return 1
+        input_file = open(file_name, "r")
+        parsed_json = pdl.loads(input_file.read(), file_name)
+        domains += parsed_json["domains"]
+        version = parsed_json["version"]
+
+    output_file = open(argv[-1], "w")
+    json.dump({"version": version, "domains": domains}, output_file, indent=4, sort_keys=False, separators=(',', ': '))
+    output_file.close()
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv[1:]))