Convert snakecase enum names to camelcase when stringified.

tools/json_schema_compiler/model.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.
 
 import os.path
 
 from json_parse import OrderedDict
 from memoize import memoize
 
 
@@ skipping 392 matching lines @@
   - |description| a description of the property (if provided)
   """
   def __init__(self, json):
     if isinstance(json, dict):
       self.name = json['name']
       self.description = json.get('description')
     else:
       self.name = json
       self.description = None
 
+

[not at google - send to devlin, 2014/05/14 16:18:14]

no blank line

[David Tseng, 2014/05/14 18:11:31]

Done.

+  def CamelName(self):
+    return CamelName(self.name)
+
 class _Enum(object):
   """Superclass for enum types with a "name" field, setting up repr/eq/ne.
   Enums need to do this so that equality/non-equality work over pickling.
   """
   @staticmethod
   def GetAll(cls):
     """Yields all _Enum objects declared in |cls|.
     """
     for prop_key in dir(cls):
       prop_value = getattr(cls, prop_key)
@@ skipping 52 matching lines @@
       # Replace ACMEWidgets with ACME_Widgets
       elif i + 1 < len(name) and name[i + 1].islower():
         unix_name.append('_')
     if c == '.':
       # Replace hello.world with hello_world.
       unix_name.append('_')
     else:
       # Everything is lowercase.
       unix_name.append(c.lower())
   return ''.join(unix_name)
 

[not at google - send to devlin, 2014/05/14 16:18:14]

extra blank line

(the pep8 rule is 2 blank lines between top-level functions, 1 blank line
between methods)

[David Tseng, 2014/05/14 18:11:31]

Done.

+@memoize
+def CamelName(snake):
+  ''' Converts a snake_cased_string to a camelCasedOne. '''
+  camel = []
+  i = 0
+  while i < len(snake):
+    if snake[i] == '_' and (i + 1) < len(snake):
+      camel.append(snake[i + 1].upper())
+      i += 2
+    else:
+      camel.append(snake[i])
+      i += 1
+  return ''.join(camel)
+
 
 def _StripNamespace(name, namespace):
   if name.startswith(namespace.name + '.'):
     return name[len(namespace.name + '.'):]
   return name
 
 
 def _GetModelHierarchy(entity):
   """Returns the hierarchy of the given model entity."""
   hierarchy = []
@@ skipping 74 matching lines @@
   # Sanity check: platforms should not be an empty list.
   if not json['platforms']:
     raise ValueError('"platforms" cannot be an empty list')
   platforms = []
   for platform_name in json['platforms']:
     for platform_enum in _Enum.GetAll(Platforms):
       if platform_name == platform_enum.name:
         platforms.append(platform_enum)
         break
   return platforms