| # 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. |
| |
| _API_UTIL_NAMESPACE = 'json_schema_compiler::util' |
| |
| |
| class UtilCCHelper(object): |
| """A util class that generates code that uses |
| tools/json_schema_compiler/util.cc. |
| """ |
| def __init__(self, type_manager): |
| self._type_manager = type_manager |
| |
| def PopulateArrayFromDictionary(self, array_prop, src, name, dst): |
| """Generates code to get an array from a src.name into dst. |
| |
| src: DictionaryValue* |
| dst: std::vector or scoped_ptr<std::vector> |
| """ |
| prop = array_prop.item_type |
| sub = { |
| 'namespace': _API_UTIL_NAMESPACE, |
| 'name': name, |
| 'src': src, |
| 'dst': dst, |
| } |
| |
| sub['type'] = self._type_manager.GetCppType(prop), |
| if array_prop.optional: |
| val = ('%(namespace)s::PopulateOptionalArrayFromDictionary' |
| '(*%(src)s, "%(name)s", &%(dst)s)') |
| else: |
| val = ('%(namespace)s::PopulateArrayFromDictionary' |
| '(*%(src)s, "%(name)s", &%(dst)s)') |
| |
| return val % sub |
| |
| def PopulateArrayFromList(self, src, dst, optional): |
| """Generates code to get an array from src into dst. |
| |
| src: ListValue* |
| dst: std::vector or scoped_ptr<std::vector> |
| """ |
| if optional: |
| val = '%(namespace)s::PopulateOptionalArrayFromList(*%(src)s, &%(dst)s)' |
| else: |
| val = '%(namespace)s::PopulateArrayFromList(*%(src)s, &%(dst)s)' |
| return val % { |
| 'namespace': _API_UTIL_NAMESPACE, |
| 'src': src, |
| 'dst': dst |
| } |
| |
| def CreateValueFromArray(self, src, optional): |
| """Generates code to create a scoped_pt<Value> from the array at src. |
| |
| |src| The variable to convert, either a vector or scoped_ptr<vector>. |
| |optional| Whether |type_| was optional. Optional types are pointers so |
| must be treated differently. |
| """ |
| if optional: |
| name = 'CreateValueFromOptionalArray' |
| else: |
| name = 'CreateValueFromArray' |
| return '%s::%s(%s)' % (_API_UTIL_NAMESPACE, name, src) |
| |
| def GetIncludePath(self): |
| return '#include "tools/json_schema_compiler/util.h"' |
| |
| def GetValueTypeString(self, value, is_ptr=False): |
| call = '.GetType()' |
| if is_ptr: |
| call = '->GetType()' |
| return 'json_schema_compiler::util::ValueTypeToString(%s%s)' % (value, call) |