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/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <string>
#include <type_traits>
#include "common/strings.h"
#include "common/type_helper.h"
#include "storage/serializable.h"
namespace bluetooth {
namespace storage {
class MutationEntry {
public:
enum EntryType { SET, REMOVE_PROPERTY, REMOVE_SECTION };
enum PropertyType { NORMAL, MEMORY_ONLY };
template <typename T, typename std::enable_if<std::is_integral_v<T>, int>::type = 0>
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, T value_param) {
return MutationEntry::Set(
property_type, std::move(section_param), std::move(property_param), std::to_string(value_param));
}
template <typename T, typename std::enable_if<std::is_enum_v<T>, int>::type = 0>
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, T value_param) {
using EnumUnderlyingType = typename std::underlying_type_t<T>;
return MutationEntry::Set<EnumUnderlyingType>(
property_type,
std::move(section_param),
std::move(property_param),
static_cast<EnumUnderlyingType>(value_param));
}
template <typename T, typename std::enable_if<std::is_same_v<T, bool>, int>::type = 0>
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, T value_param) {
return MutationEntry::Set(
property_type, std::move(section_param), std::move(property_param), common::ToString(value_param));
}
template <typename T, typename std::enable_if<std::is_same_v<T, std::string>, int>::type = 0>
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, T value_param) {
return MutationEntry::Set(
property_type, std::move(section_param), std::move(property_param), std::move(value_param));
}
template <typename T, typename std::enable_if<std::is_base_of_v<Serializable<T>, T>, int>::type = 0>
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, const T& value_param) {
return MutationEntry::Set(
property_type, std::move(section_param), std::move(property_param), value_param.ToLegacyConfigString());
}
template <
typename T,
typename std::enable_if<
bluetooth::common::is_specialization_of<T, std::vector>::value &&
std::is_base_of_v<Serializable<typename T::value_type>, typename T::value_type>,
int>::type = 0>
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, const T& value_param) {
std::vector<std::string> str_values;
str_values.reserve(value_param.size());
for (const auto& v : value_param) {
str_values.push_back(v.ToLegacyConfigString());
}
return MutationEntry::Set(
property_type, std::move(section_param), std::move(property_param), common::StringJoin(str_values, " "));
}
static MutationEntry Set(
PropertyType property_type, std::string section_param, std::string property_param, std::string value_param) {
return MutationEntry(
EntryType::SET, property_type, std::move(section_param), std::move(property_param), std::move(value_param));
}
static MutationEntry Remove(PropertyType property_type, std::string section_param) {
return MutationEntry(EntryType::REMOVE_SECTION, property_type, std::move(section_param));
}
static MutationEntry Remove(PropertyType property_type, std::string section_param, std::string property_param) {
return MutationEntry(
EntryType::REMOVE_PROPERTY, property_type, std::move(section_param), std::move(property_param));
}
private:
friend class ConfigCache;
friend class Mutation;
MutationEntry(
EntryType entry_type_param,
PropertyType property_type_param,
std::string section_param,
std::string property_param = "",
std::string value_param = "");
EntryType entry_type;
PropertyType property_type;
std::string section;
std::string property;
std::string value;
};
} // namespace storage
} // namespace bluetooth
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