| 1 | /*++ |
| 2 | |
| 3 | Copyright (c) Microsoft. All rights reserved. |
| 4 | |
| 5 | Module Name: |
| 6 | |
| 7 | Localization.cpp |
| 8 | |
| 9 | Abstract: |
| 10 | |
| 11 | This file contains the Linux localization logic. |
| 12 | |
| 13 | --*/ |
| 14 | |
| 15 | #include "Localization.h" |
| 16 | |
| 17 | std::string FormatLanguage(const char* Input) |
| 18 | { |
| 19 | // Expected format: en_US.UTF-8 |
| 20 | |
| 21 | std::string output(Input); |
| 22 | auto dot = output.find("."); |
| 23 | |
| 24 | if (dot != std::string::npos && dot != 0) |
| 25 | { |
| 26 | output = output.substr(0, dot); |
| 27 | } |
| 28 | |
| 29 | std::replace(output.begin(), output.end(), '_', '-'); |
| 30 | |
| 31 | return output; |
| 32 | } |
| 33 | |
| 34 | std::optional<std::string> GetUserLanguage() |
| 35 | { |
| 36 | for (const auto* e : {"LANGUAGE", "LANG", "LC_ALL"}) |
| 37 | { |
| 38 | if (const auto* lang = getenv(e)) |
| 39 | { |
| 40 | return lang; |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | return {}; |
| 45 | } |
| 46 | |
| 47 | const char* wsl::shared::Localization::LookupString(const std::vector<std::pair<std::string, const char*>>& strings, Options options) |
| 48 | { |
| 49 | try |
| 50 | { |
| 51 | static const auto language = GetUserLanguage(); |
| 52 | if (language.has_value()) |
| 53 | { |
| 54 | for (const auto& e : strings) |
| 55 | { |
| 56 | if (wsl::shared::string::IsEqual(e.first, language.value(), true)) |
| 57 | { |
| 58 | return e.second; |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | catch (...) |
| 64 | { |
| 65 | LOG_CAUGHT_EXCEPTION(); |
| 66 | } |
| 67 | |
| 68 | // Default to English is string is not found (English is always the first entry) |
| 69 | return strings[0].second; |
| 70 | } |