Fork of the espurna firmware for `mhsw` switches
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/*
SETTINGS MODULE
Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
*/
#pragma once
#include <Arduino.h>
#include <functional>
#include <utility>
#include <vector>
#include <ArduinoJson.h>
#include "espurna.h"
#include "libs/EmbedisWrap.h"
// --------------------------------------------------------------------------
class settings_key_t {
public:
settings_key_t(const char* value, unsigned char index) :
value(value), index(index)
{}
settings_key_t(const String& value, unsigned char index) :
value(value), index(index)
{}
settings_key_t(const char* value) :
value(value), index(-1)
{}
settings_key_t(const String& value) :
value(value), index(-1)
{}
settings_key_t(const __FlashStringHelper* value) :
value(value), index(-1)
{}
settings_key_t() :
value(), index(-1)
{}
bool match(const char* _value) const {
return (value == _value) || (toString() == _value);
}
bool match(const String& _value) const {
return (value == _value) || (toString() == _value);
}
String toString() const;
explicit operator String () const {
return toString();
}
private:
const String value;
int index;
};
using settings_move_key_t = std::pair<settings_key_t, settings_key_t>;
using settings_filter_t = std::function<String(String& value)>;
// --------------------------------------------------------------------------
struct settings_cfg_t {
String& setting;
const char* key;
const char* default_value;
};
using settings_cfg_list_t = std::initializer_list<settings_cfg_t>;
// --------------------------------------------------------------------------
namespace settings {
namespace internal {
uint32_t u32fromString(const String& string, int base);
template <typename T>
using convert_t = T(*)(const String& value);
template <typename T>
T convert(const String& value);
// --------------------------------------------------------------------------
template <>
float convert(const String& value);
template <>
double 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);
template<typename T>
String serialize(const T& value);
template<typename T>
String serialize(const T& value) {
return String(value);
}
} // namespace settings::internal
} // namespace settings
// --------------------------------------------------------------------------
struct settings_key_match_t {
using match_f = bool(*)(const char* key);
using key_f = const String(*)(const String& key);
match_f match;
key_f key;
};
void settingsRegisterDefaults(const settings_key_match_t& matcher);
String settingsQueryDefaults(const String& key);
// --------------------------------------------------------------------------
void moveSetting(const String& from, const String& to);
void moveSetting(const String& from, const String& to, unsigned int index);
void moveSettings(const String& from, const String& to);
template<typename R, settings::internal::convert_t<R> Rfunc = settings::internal::convert>
R getSetting(const settings_key_t& key, R defaultValue) __attribute__((noinline));
template<typename R, settings::internal::convert_t<R> Rfunc = settings::internal::convert>
R getSetting(const settings_key_t& key, R defaultValue) {
String value;
if (!Embedis::get(key.toString(), value)) {
return defaultValue;
}
return Rfunc(value);
}
template<>
String getSetting(const settings_key_t& key, String defaultValue);
String getSetting(const settings_key_t& key);
String getSetting(const settings_key_t& key, const char* defaultValue);
String getSetting(const settings_key_t& key, const __FlashStringHelper* defaultValue);
template<typename T>
bool setSetting(const settings_key_t& key, const T& value) {
return Embedis::set(key.toString(), String(value));
}
template<>
bool setSetting(const settings_key_t& key, const String& value);
bool delSetting(const settings_key_t& key);
bool hasSetting(const settings_key_t& key);
void saveSettings();
void resetSettings();
void settingsGetJson(JsonObject& data);
bool settingsRestoreJson(char* json_string, size_t json_buffer_size = 1024);
bool settingsRestoreJson(JsonObject& data);
size_t settingsKeyCount();
String settingsKeyName(unsigned int index);
std::vector<String> settingsKeys();
void settingsProcessConfig(const settings_cfg_list_t& config, settings_filter_t filter = nullptr);
unsigned long settingsSize();
void migrate();
void settingsSetup();
// -----------------------------------------------------------------------------
// 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});
}