json_schema_compiler: any, additionalProperties, functions on types

tools/json_schema_compiler/any_helper.py

+# Copyright (c) 2012 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.
+
+ANY_NAMESPACE = 'json_schema_compiler::any'
+ANY_CLASS = ANY_NAMESPACE + '::Any'
+
+class AnyHelper(object):
+  """A util class that generates code that uses
+  tools/json_schema_compiler/any.cc.
+  """
+  def Create(self, any_prop, src):
+    """Create an empty Any instance.
+    """
+    return 'new %s' % ANY_CLASS
+
+  def CopyInto(self, any_prop, src, dst):
+    """Copy |src| into |dst|.|any_prop|.
+
+    src: Value*
+    dst: Type*
+    """
+    if any_prop.optional:
+      return '%s->%s->Init(*%s)' % (dst, any_prop.name, src)
+    else:
+      return '%s->%s.Init(*%s)' % (dst, any_prop.name, src)
+
+  def GetValue(self, any_prop, var):
+    """Get |var| as a const Value&.
+
+    var: Any* or Any
+    """
+    if any_prop.optional:
+      return '%s->value()' % var
+    else:
+      return '%s.value()' % var
+