Mirror of espurna firmware for wireless switches and more
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/*
SETTINGS MODULE
Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
Copyright (C) 2020-2021 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
*/
#pragma once
#include <Arduino.h>
#include <functional>
#include <utility>
#include <vector>
#include <type_traits>
#include <ArduinoJson.h>
#include "storage_eeprom.h"
#include "settings_helpers.h"
#include "settings_embedis.h"
#include "terminal.h"
// --------------------------------------------------------------------------
void resetSettings();
void saveSettings();
void autosaveSettings();
namespace settings {
class EepromStorage {
public:
uint8_t read(size_t pos) {
return eepromRead(pos);
}
void write(size_t pos, uint8_t value) {
eepromWrite(pos, value);
}
void commit() {
autosaveSettings();
}
};
using kvs_type = embedis::KeyValueStore<EepromStorage>;
namespace internal {
template <typename T>
using is_arduino_string = std::is_same<String, typename std::decay<T>::type>;
template <typename T>
using enable_if_arduino_string = std::enable_if<is_arduino_string<T>::value>;
template <typename T>
using enable_if_not_arduino_string = std::enable_if<!is_arduino_string<T>::value>;
ValueResult get(const String& key);
bool set(const String& key, const String& value);
bool del(const String& key);
bool has(const String& key);
using Keys = std::vector<String>;
Keys keys();
size_t available();
size_t size();
using KeyValueResultCallback = std::function<void(settings::kvs_type::KeyValueResult&&)>;
void foreach(KeyValueResultCallback&& callback);
// --------------------------------------------------------------------------
template <typename T>
T convert(const String& value);
template <>
float convert(const String& value);
template <>
double convert(const String& value);
template <>
signed char convert(const String& value);
template <>
short convert(const String& value);
template <>
int convert(const String& value);
template <>
long convert(const String& value);
template <>
bool convert(const String& value);
template <>
unsigned long convert(const String& value);
template <>
unsigned int convert(const String& value);
template <>
unsigned short convert(const String& value);
template <>
unsigned char convert(const String& value);
inline String serialize(uint8_t value, int base = 10) {
return String(value, base);
}
inline String serialize(uint16_t value, int base = 10) {
return String(value, base);
}
String serialize(uint32_t value, int base = 10);
inline String serialize(unsigned long value, int base = 10) {
static_assert(sizeof(unsigned long) == sizeof(uint32_t), "");
static_assert(sizeof(unsigned int) == sizeof(unsigned long), "");
return serialize(static_cast<unsigned int>(value), base);
}
inline String serialize(int16_t value, int base = 10) {
return String(value, base);
}
inline String serialize(int8_t value, int base = 10) {
return serialize(static_cast<int16_t>(value), base);
}
inline String serialize(long value, int base = 10) {
return String(value, base);
}
inline String serialize(int value, int base = 10) {
static_assert(sizeof(long) == sizeof(int32_t), "");
static_assert(sizeof(int) == sizeof(long), "");
return serialize(static_cast<long>(value), base);
}
inline String serialize(float value) {
return String(value, 3);
}
inline String serialize(double value) {
return String(value, 3);
}
inline String serialize(bool value) {
return value ? "true" : "false";
}
} // namespace internal
} // namespace settings
// --------------------------------------------------------------------------
namespace settings {
using RetrieveDefault = String(*)(const String& key);
} // namespace settings
void settingsRegisterDefaults(const char* const prefix, settings::RetrieveDefault retrieve);
String settingsQueryDefaults(const String& key);
// --------------------------------------------------------------------------
void moveSetting(const String& from, const String& to);
void moveSetting(const String& from, const String& to, size_t index);
void moveSettings(const String& from, const String& to);
template <typename T, typename = typename settings::internal::enable_if_not_arduino_string<T>::type>
T getSetting(const SettingsKey& key, T defaultValue) __attribute__((noinline));
template <typename T, typename = typename settings::internal::enable_if_not_arduino_string<T>::type>
T getSetting(const SettingsKey& key, T defaultValue) {
auto result = settings::internal::get(key.value());
if (result) {
return settings::internal::convert<T>(result.ref());
}
return defaultValue;
}
String getSetting(const char* key);
String getSetting(const String& key);
String getSetting(const __FlashStringHelper* key);
String getSetting(const SettingsKey& key);
String getSetting(const SettingsKey& key, const char* defaultValue);
String getSetting(const SettingsKey& key, const __FlashStringHelper* defaultValue);
String getSetting(const SettingsKey& key, const String& defaultValue);
String getSetting(const SettingsKey& key, const String& defaultValue);
String getSetting(const SettingsKey& key, String&& defaultValue);
template<typename T, typename = typename settings::internal::enable_if_arduino_string<T>::type>
bool setSetting(const SettingsKey& key, T&& value) {
return settings::internal::set(key.value(), value);
}
template<typename T, typename = typename settings::internal::enable_if_not_arduino_string<T>::type>
bool setSetting(const SettingsKey& key, T value) {
return setSetting(key, std::move(String(value)));
}
bool delSetting(const char* key);
bool delSetting(const String& key);
bool delSetting(const __FlashStringHelper* key);
bool delSetting(const SettingsKey& key);
void delSettingPrefix(const std::initializer_list<const char*>&);
void delSettingPrefix(const char* prefix);
void delSettingPrefix(const String& prefix);
bool hasSetting(const char* key);
bool hasSetting(const String& key);
bool hasSetting(const __FlashStringHelper* key);
bool hasSetting(const SettingsKey& key);
void settingsGetJson(JsonObject& data);
bool settingsRestoreJson(char* json_string, size_t json_buffer_size = 1024);
bool settingsRestoreJson(JsonObject& data);
size_t settingsKeyCount();
std::vector<String> settingsKeys();
size_t settingsSize();
void settingsSetup();
// -----------------------------------------------------------------------------
// Configuration updates
// -----------------------------------------------------------------------------
using MigrateVersionCallback = void(*)(int);
void migrateVersion(MigrateVersionCallback);
int migrateVersion();
void migrate();
// -----------------------------------------------------------------------------
// Deprecated implementation
// -----------------------------------------------------------------------------
template <typename T>
String getSetting(const String& key, unsigned char index, T defaultValue)
__attribute__((deprecated("getSetting({key, index}, default) should be used instead")));
template<typename T>
bool setSetting(const String& key, unsigned char index, T value)
__attribute__((deprecated("setSetting({key, index}, value) should be used instead")));
template<typename T>
bool hasSetting(const String& key, unsigned char index)
__attribute__((deprecated("hasSetting({key, index}) should be used instead")));
template<typename T>
bool delSetting(const String& key, unsigned char index)
__attribute__((deprecated("delSetting({key, index}) should be used instead")));
// --------------------------------------------------------------------------
template<typename T>
String getSetting(const String& key, unsigned char index, T defaultValue) {
return getSetting({key, index}, defaultValue);
}
template<typename T>
bool setSetting(const String& key, unsigned char index, T value) {
return setSetting({key, index}, value);
}
template<typename T>
bool hasSetting(const String& key, unsigned char index) {
return hasSetting({key, index});
}
template<typename T>
bool delSetting(const String& key, unsigned char index) {
return delSetting({key, index});
}