/*++

Copyright (c) Microsoft. All rights reserved.

Module Name:

Localization.cpp

Abstract:

This file contains the Linux localization logic.

--*/

#include "Localization.h"

std::string FormatLanguage(const char* Input)

{

// Expected format: en_US.UTF-8

std::string output(Input);

auto dot = output.find(".");

if (dot != std::string::npos && dot != 0)

{

output = output.substr(0, dot);

}

std::replace(output.begin(), output.end(), '_', '-');

return output;

}

std::optional<std::string> GetUserLanguage()

{

for (const auto* e : {"LANGUAGE", "LANG", "LC_ALL"})

{

if (const auto* lang = getenv(e))

{

return lang;

}

}

return {};

}

const char* wsl::shared::Localization::LookupString(const std::vector<std::pair<std::string, const char*>>& strings, Options options)

{

try

{

static const auto language = GetUserLanguage();

if (language.has_value())

{

for (const auto& e : strings)

{

if (wsl::shared::string::IsEqual(e.first, language.value(), true))

{

return e.second;

}

}

}

}

catch (...)

{

LOG_CAUGHT_EXCEPTION();

}

// Default to English is string is not found (English is always the first entry)

return strings[0].second;

}