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