Convert snakecase enum names to camelcase when stringified.

tools/json_schema_compiler/cc_generator.py

Index: tools/json_schema_compiler/cc_generator.py
diff --git a/tools/json_schema_compiler/cc_generator.py b/tools/json_schema_compiler/cc_generator.py
index aefae686cd245335494a69c6c71803664a4c8ad5..f0ed3da115662a50f79e9b97ceb296016ef08c65 100644
--- a/tools/json_schema_compiler/cc_generator.py
+++ b/tools/json_schema_compiler/cc_generator.py
@@ -890,8 +890,22 @@ class _Generator(object):
                  (maybe_namespace, classname))
     c.Sblock('switch (enum_param) {')
     for enum_value in self._type_helper.FollowRef(type_).enum_values:
+      name = enum_value.name
+      if 'camel_case_enum_to_string' in self._namespace.compiler_options:

[not at google - send to devlin, 2014/05/13 20:18:22]

you might want to move this camel-casing logic here:

https://code.google.com/p/chromium/codesearch#chromium/src/tools/json_schema_...

close to the code that converts to the "unix name" of a function (I guess this
is snake case?).

somebody else might need it, and that's a consistent place to put it.

[David Tseng, 2014/05/13 23:16:14]

Done.

+        # Convert to camel case.
+        snake = name
+        camel = ""
+        i = 0
+        while i < len(snake):
+          if snake[i] == "_" and (i + 1) < len(snake):
+            camel += snake[i + 1].upper()

[not at google - send to devlin, 2014/05/13 20:18:22]

+= on strings is expensive because it creates a new string each time. better to
have a list and then ''.join it at the end.

[David Tseng, 2014/05/13 23:16:14]

Done.

+            i = i + 2
+          else:
+            camel += snake[i]
+            i = i + 1
+        name = camel
       (c.Append('case %s: ' % self._type_helper.GetEnumValue(type_, enum_value))
-        .Append('  return "%s";' % enum_value.name))
+        .Append('  return "%s";' % name))
     (c.Append('case %s:' % self._type_helper.GetEnumNoneValue(type_))
       .Append('  return "";')
       .Eblock('}')