tools/json_schema_compiler/util_cc_helper.py

   1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 _API_UTIL_NAMESPACE = 'json_schema_compiler::util'
   6
   7
   8 class UtilCCHelper(object):
   9   """A util class that generates code that uses
  10   tools/json_schema_compiler/util.cc.
  11   """
  12   def __init__(self, type_manager):
  13     self._type_manager = type_manager
  14
  15   def PopulateArrayFromListFunction(self, optional):
  16     """Returns the function to turn a list into a vector.
  17     """
  18     populate_list_fn = ('PopulateOptionalArrayFromList' if optional
  19                             else 'PopulateArrayFromList')
  20     return ('%s::%s') % (_API_UTIL_NAMESPACE, populate_list_fn)
  21
  22   def CreateValueFromArray(self, src, optional):
  23     """Generates code to create a scoped_pt<Value> from the array at src.
  24
  25     |src| The variable to convert, either a vector or scoped_ptr<vector>.
  26     |optional| Whether |type_| was optional. Optional types are pointers so
  27         must be treated differently.
  28     """
  29     if optional:
  30       name = 'CreateValueFromOptionalArray'
  31     else:
  32       name = 'CreateValueFromArray'
  33     return '%s::%s(%s)' % (_API_UTIL_NAMESPACE, name, src)
  34
  35   def GetIncludePath(self):
  36     return '#include "tools/json_schema_compiler/util.h"'
  37
  38   def GetValueTypeString(self, value, is_ptr=False):
  39     call = '.GetType()'
  40     if is_ptr:
  41       call = '->GetType()'
  42     return 'json_schema_compiler::util::ValueTypeToString(%s%s)' % (value, call)