JSON Schema Compiler supports Enums as types.

tools/json_schema_compiler/h_generator.py

Index: tools/json_schema_compiler/h_generator.py
diff --git a/tools/json_schema_compiler/h_generator.py b/tools/json_schema_compiler/h_generator.py
index e1d9f48b0fa3de3ebefb51f377e172fa6c2eb78d..ae38a6a55c3a07a49a674dde3b241c34e54e33ca 100644
--- a/tools/json_schema_compiler/h_generator.py
+++ b/tools/json_schema_compiler/h_generator.py
@@ -158,9 +158,12 @@ class HGenerator(object):
     for prop in self._cpp_type_generator.ExpandParams(props):
       if prop.description:
         c.Comment(prop.description)
+      prop_name = prop.unix_name

[Yoyo Zhou, 2012/08/27 23:56:04]

Is this needed?

[chebert, 2012/08/28 21:31:14]

Done.

+      wrap_optional = not self._cpp_type_generator.IsEnumOrEnumRef(prop)

[Yoyo Zhou, 2012/08/27 23:56:04]

Can you document the reason for this in a comment?

[chebert, 2012/08/28 21:31:14]

Better yet, I will just get rid of it.
On 2012/08/27 23:56:04, Yoyo Zhou wrote:

       (c.Append('%s %s;' % (
-           self._cpp_type_generator.GetCompiledType(prop, wrap_optional=True),
-           prop.unix_name))
+           self._cpp_type_generator.GetCompiledType(prop,
+               wrap_optional=wrap_optional),
+           prop_name))
         .Append()
       )
     return c
@@ -189,6 +192,17 @@ class HGenerator(object):
       if type_.description:
         c.Comment(type_.description)
       c.Append('typedef std::string %(classname)s;')
+    elif type_.type_ == PropertyType.ENUM:
+      if type_.description:
+        c.Comment(type_.description)
+      c.Sblock('enum %(classname)s {')
+      for value in type_.enum_values:
+        c.Append('%s_%s,' % (classname.upper(), value.upper()))
+      (c.Eblock('};')
+        .Append()
+        .Append('scoped_ptr<base::Value> CreateEnumValue(%s %s);' %
+                (classname, classname.lower()))
+      )
     else:
       if type_.description:
         c.Comment(type_.description)