esp-lang/examples/fallback_and_format/fallback_and_format.ino at main · ESPToolKit/esp-lang · GitHub

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#include <Arduino.h>
#include <ESPLang.h>

namespace AppLanguage {
static constexpr LangLanguageId EN = 1;
static constexpr LangLanguageId HU = 2;
} // namespace AppLanguage

enum class AppText : uint16_t {
	BatteryLow = 1,
	DoorOpen = 2,
};

static const LangTranslationEntry kEnglish[] = {
    ESP_LANG_ENTRY(AppText::BatteryLow, "Battery low: %d%%"),
    ESP_LANG_ENTRY(AppText::DoorOpen, "Door is open"),
};

static const LangTranslationEntry kHungarian[] = {
    ESP_LANG_ENTRY(AppText::BatteryLow, "Alacsony akkuszint: %d%%"),
};

static const LangTranslationTable kTables[] = {
    makeLangTable(AppLanguage::EN, kEnglish),
    makeLangTable(AppLanguage::HU, kHungarian),
};

ESPLang lang;

void setup() {
	Serial.begin(115200);

	ESPLangConfig config{};
	config.tables = kTables;
	config.tableCount = sizeof(kTables) / sizeof(kTables[0]);
	config.defaultLanguage = AppLanguage::EN;
	config.useDefaultFallback = false;
	config.fallbackLanguage = AppLanguage::EN;
	config.missingText = "[missing]";

	if (!lang.init(config)) {
		Serial.println("ESPLang init failed");
		return;
	}

	lang.setLanguage(AppLanguage::HU);

	char buffer[48];
	if (lang.format(buffer, sizeof(buffer), AppText::BatteryLow, 17)) {
		Serial.println(buffer);
	}

	Serial.println(lang.translate(AppText::DoorOpen));

	lang.setMissingText("N/A");
	Serial.println(lang.translate(static_cast<LangKeyId>(999)));
}

void loop() {
	delay(1000);
}