Import chrome idl into third_party

third_party/chrome/tools/cpp_util.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.
+
+"""Utilies and constants specific to Chromium C++ code.
+"""
+
+from datetime import datetime
+from model import Property, PropertyType, Type
+import os
+
+CHROMIUM_LICENSE = (
+"""// Copyright (c) %d 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.""" % datetime.now().year
+)
+GENERATED_FILE_MESSAGE = """// GENERATED FROM THE API DEFINITION IN
+//   %s
+// DO NOT EDIT.
+"""
+GENERATED_BUNDLE_FILE_MESSAGE = """// GENERATED FROM THE API DEFINITIONS IN
+//   %s
+// DO NOT EDIT.
+"""
+
+def Classname(s):
+  """Translates a namespace name or function name into something more
+  suited to C++.
+
+  eg experimental.downloads -> Experimental_Downloads
+  updateAll -> UpdateAll.
+  """
+  return '_'.join([x[0].upper() + x[1:] for x in s.split('.')])
+
+def GetAsFundamentalValue(type_, src, dst):
+  """Returns the C++ code for retrieving a fundamental type from a
+  Value into a variable.
+
+  src: Value*
+  dst: Property*
+  """
+  return {
+      PropertyType.STRING: '%s->GetAsString(%s)',
+      PropertyType.BOOLEAN: '%s->GetAsBoolean(%s)',
+      PropertyType.INTEGER: '%s->GetAsInteger(%s)',
+      PropertyType.DOUBLE: '%s->GetAsDouble(%s)',
+  }[type_.property_type] % (src, dst)
+
+def GetValueType(type_):
+  """Returns the Value::Type corresponding to the model.PropertyType.
+  """
+  return {
+      PropertyType.STRING: 'Value::TYPE_STRING',
+      PropertyType.INTEGER: 'Value::TYPE_INTEGER',
+      PropertyType.BOOLEAN: 'Value::TYPE_BOOLEAN',
+      PropertyType.DOUBLE: 'Value::TYPE_DOUBLE',
+      PropertyType.ENUM: 'Value::TYPE_STRING',
+      PropertyType.OBJECT: 'Value::TYPE_DICTIONARY',
+      PropertyType.FUNCTION: 'Value::TYPE_DICTIONARY',
+      PropertyType.ARRAY: 'Value::TYPE_LIST',
+      PropertyType.BINARY: 'Value::TYPE_BINARY',
+  }[type_.property_type]
+
+def GetParameterDeclaration(param, type_):
+  """Gets a parameter declaration of a given model.Property and its C++
+  type.
+  """
+  if param.type_.property_type in (PropertyType.REF,
+                                   PropertyType.OBJECT,
+                                   PropertyType.ARRAY,
+                                   PropertyType.STRING,
+                                   PropertyType.ANY):
+    arg = 'const %(type)s& %(name)s'
+  else:
+    arg = '%(type)s %(name)s'
+  return arg % {
+    'type': type_,
+    'name': param.unix_name,
+  }
+
+def GenerateIfndefName(path, filename):
+  """Formats a path and filename as a #define name.
+
+  e.g chrome/extensions/gen, file.h becomes CHROME_EXTENSIONS_GEN_FILE_H__.
+  """
+  return (('%s_%s_H__' % (path, filename))
+          .upper().replace(os.sep, '_').replace('/', '_'))
+
+def PadForGenerics(var):
+  """Appends a space to |var| if it ends with a >, so that it can be compiled
+  within generic types.
+  """
+  return ('%s ' % var) if var.endswith('>') else var