Mojo: request/response bindings

mojo/public/bindings/pylib/generate/mojom_generator.py

 # Copyright 2013 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.
 
 """Code shared by the various language-specific code generators."""
 
 import os
 import mojom
 import mojom_pack
 import re
 from functools import partial
 
 def GetStructFromMethod(interface, method):
   """Converts a method's parameters into the fields of a struct."""
   params_class = "%s_%s_Params" % (interface.name, method.name)
   struct = mojom.Struct(params_class)
   for param in method.parameters:
     struct.AddField(param.name, param.kind, param.ordinal)
   struct.packed = mojom_pack.PackedStruct(struct)
   return struct
 
+def GetResponseStructFromMethod(interface, method):
+  """Converts a method's response_parameters into the fields of a struct."""
+  params_class = "%s_%s_ResponseParams" % (interface.name, method.name)
+  struct = mojom.Struct(params_class)
+  for param in method.response_parameters:
+    struct.AddField(param.name, param.kind, param.ordinal)
+  struct.packed = mojom_pack.PackedStruct(struct)
+  return struct
+
 def GetStructInfo(exported, struct):
   struct.packed = mojom_pack.PackedStruct(struct)
   struct.bytes = mojom_pack.GetByteLayout(struct.packed)
   struct.exported = exported
   return struct
 
 def IsStringKind(kind):
   return kind.spec == 's'
 
 def IsEnumKind(kind):
@@ skipping 47 matching lines @@
 
   def Write(self, contents, filename):
     if self.output_dir is None:
       print contents
       return
     with open(os.path.join(self.output_dir, filename), "w+") as f:
       f.write(contents)
 
   def GenerateFiles(self):
     raise NotImplementedError("Subclasses must override/implement this method")