| // Copyright 2016 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. |
| |
| #include "mojo/common/values_struct_traits.h" |
| |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/containers/flat_map.h" |
| #include "base/memory/ptr_util.h" |
| |
| namespace mojo { |
| |
| bool StructTraits<common::mojom::ListValueDataView, |
| std::unique_ptr<base::ListValue>>:: |
| Read(common::mojom::ListValueDataView data, |
| std::unique_ptr<base::ListValue>* value_out) { |
| mojo::ArrayDataView<common::mojom::ValueDataView> view; |
| data.GetValuesDataView(&view); |
| |
| auto list_value = base::MakeUnique<base::ListValue>(); |
| for (size_t i = 0; i < view.size(); ++i) { |
| std::unique_ptr<base::Value> value; |
| if (!view.Read(i, &value)) |
| return false; |
| |
| list_value->Append(std::move(value)); |
| } |
| *value_out = std::move(list_value); |
| return true; |
| } |
| |
| bool StructTraits<common::mojom::DictionaryValueDataView, |
| std::unique_ptr<base::DictionaryValue>>:: |
| Read(common::mojom::DictionaryValueDataView data, |
| std::unique_ptr<base::DictionaryValue>* value_out) { |
| mojo::MapDataView<mojo::StringDataView, common::mojom::ValueDataView> view; |
| data.GetValuesDataView(&view); |
| std::vector<base::Value::DictStorage::value_type> dict_storage; |
| dict_storage.reserve(view.size()); |
| for (size_t i = 0; i < view.size(); ++i) { |
| base::StringPiece key; |
| std::unique_ptr<base::Value> value; |
| if (!view.keys().Read(i, &key) || !view.values().Read(i, &value)) |
| return false; |
| |
| dict_storage.emplace_back(key.as_string(), std::move(value)); |
| } |
| *value_out = base::DictionaryValue::From( |
| base::MakeUnique<base::Value>(base::Value::DictStorage( |
| std::move(dict_storage), base::KEEP_LAST_OF_DUPES))); |
| return true; |
| } |
| |
| std::unique_ptr<base::DictionaryValue> |
| CloneTraits<std::unique_ptr<base::DictionaryValue>, false>::Clone( |
| const std::unique_ptr<base::DictionaryValue>& input) { |
| return input ? input->CreateDeepCopy() : nullptr; |
| } |
| |
| bool UnionTraits<common::mojom::ValueDataView, std::unique_ptr<base::Value>>:: |
| Read(common::mojom::ValueDataView data, |
| std::unique_ptr<base::Value>* value_out) { |
| switch (data.tag()) { |
| case common::mojom::ValueDataView::Tag::NULL_VALUE: { |
| *value_out = base::MakeUnique<base::Value>(); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::BOOL_VALUE: { |
| *value_out = base::MakeUnique<base::Value>(data.bool_value()); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::INT_VALUE: { |
| *value_out = base::MakeUnique<base::Value>(data.int_value()); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::DOUBLE_VALUE: { |
| *value_out = base::MakeUnique<base::Value>(data.double_value()); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::STRING_VALUE: { |
| base::StringPiece string_value; |
| if (!data.ReadStringValue(&string_value)) |
| return false; |
| *value_out = base::MakeUnique<base::Value>(string_value); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::BINARY_VALUE: { |
| mojo::ArrayDataView<uint8_t> binary_data; |
| data.GetBinaryValueDataView(&binary_data); |
| *value_out = base::Value::CreateWithCopiedBuffer( |
| reinterpret_cast<const char*>(binary_data.data()), |
| binary_data.size()); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::DICTIONARY_VALUE: { |
| std::unique_ptr<base::DictionaryValue> dictionary_value; |
| if (!data.ReadDictionaryValue(&dictionary_value)) |
| return false; |
| *value_out = std::move(dictionary_value); |
| return true; |
| } |
| case common::mojom::ValueDataView::Tag::LIST_VALUE: { |
| std::unique_ptr<base::ListValue> list_value; |
| if (!data.ReadListValue(&list_value)) |
| return false; |
| *value_out = std::move(list_value); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| std::unique_ptr<base::Value> |
| CloneTraits<std::unique_ptr<base::Value>, false>::Clone( |
| const std::unique_ptr<base::Value>& input) { |
| return input ? input->CreateDeepCopy() : nullptr; |
| } |
| |
| } // namespace mojo |