mirror of
https://github.com/duplicati/duplicati.git
synced 2025-11-28 03:20:25 +08:00
250 lines
9.9 KiB
C#
250 lines
9.9 KiB
C#
// Copyright (C) 2025, The Duplicati Team
|
|
// https://duplicati.com, hello@duplicati.com
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the "Software"),
|
|
// to deal in the Software without restriction, including without limitation
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
using System;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Reflection;
|
|
using System.Text.RegularExpressions;
|
|
using NGettext;
|
|
|
|
namespace Duplicati.Library.Localization
|
|
{
|
|
/// <summary>
|
|
/// Class for reading embedded MO files
|
|
/// </summary>
|
|
public class MoLocalizationService : ILocalizationService
|
|
{
|
|
/// <summary>
|
|
/// The catalog containing the translations
|
|
/// </summary>
|
|
private readonly ICatalog catalog = new Catalog();
|
|
|
|
/// <summary>
|
|
/// The environment variable used to locate MO files
|
|
/// </summary>
|
|
public const string LOCALIZATIONDIR_ENVNAME = "LOCALIZATION_FOLDER";
|
|
|
|
private static readonly string LOCALIZATIONDIR_VALUE =
|
|
string.IsNullOrWhiteSpace(AppDomain.CurrentDomain.GetData(LOCALIZATIONDIR_ENVNAME) as string)
|
|
? Environment.GetEnvironmentVariable(LOCALIZATIONDIR_ENVNAME)
|
|
: AppDomain.CurrentDomain.GetData(LOCALIZATIONDIR_ENVNAME) as string;
|
|
|
|
/// <summary>
|
|
/// Path to search for extra .mo files in
|
|
/// </summary>
|
|
public static readonly string[] SearchPaths =
|
|
string.IsNullOrWhiteSpace(LOCALIZATIONDIR_VALUE)
|
|
? new string[] { Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) }
|
|
: (LOCALIZATIONDIR_VALUE).Split(new char[] { Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries);
|
|
|
|
|
|
/// <summary>
|
|
/// Assembly to look for .mo files in
|
|
/// </summary>
|
|
public static readonly Assembly SearchAssembly = Assembly.GetExecutingAssembly();
|
|
|
|
/// <summary>
|
|
/// Regular expression to match a locale from a filename
|
|
/// </summary>
|
|
private static readonly Regex CI_MATCHER = new Regex(@"localization-(?<culture>" + LocalizationService.CI_MATCHER + @")\.mo");
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="T:Duplicati.Library.Localization.PoLocalizationService"/> class.
|
|
/// </summary>
|
|
/// <param name="ci">The culture to find.</param>
|
|
public MoLocalizationService(CultureInfo ci)
|
|
{
|
|
Culture = ci;
|
|
var filenames = new string[] {
|
|
// Load the specialized version first
|
|
string.Format("localization-{0}.mo", ci.Name.Replace('-', '_')),
|
|
// Then try the generic language version
|
|
string.Format("localization-{0}.mo", ci.TwoLetterISOLanguageName)
|
|
};
|
|
|
|
foreach (var fn in filenames)
|
|
{
|
|
// search first in external files
|
|
foreach (var sp in SearchPaths)
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(sp) && File.Exists(Path.Combine(sp, fn)))
|
|
{
|
|
using (var moFileStream = File.OpenRead(Path.Combine(sp, fn)))
|
|
catalog = new Catalog(moFileStream, ci);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// search in embedded files
|
|
if (SearchAssembly != null)
|
|
{
|
|
// Find the localization streams inside the assembly
|
|
var names =
|
|
from name in SearchAssembly.GetManifestResourceNames()
|
|
let m = CI_MATCHER.Match(name)
|
|
let c = m.Success && string.Equals(m.Value, fn, StringComparison.OrdinalIgnoreCase) ? LocalizationService.ParseCulture(m.Groups["culture"].Value) : null
|
|
where c != null
|
|
select name;
|
|
|
|
foreach (var sn in names)
|
|
using (var s = SearchAssembly.GetManifestResourceStream(sn))
|
|
if (s != null)
|
|
{
|
|
catalog = new Catalog(s, ci);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the culture of the localization
|
|
/// </summary>
|
|
public CultureInfo Culture { get; }
|
|
|
|
/// <summary>
|
|
/// Pre-processes the message to use Linux line endings
|
|
/// </summary>
|
|
/// <param name="message">The message to pre-process</param>
|
|
/// <returns>The pre-processed message</returns>
|
|
private static string PreFormat(string message)
|
|
=> message?.Replace("\r\n", "\n");
|
|
|
|
/// <summary>
|
|
/// Localizes the string similar to how string.Format works
|
|
/// </summary>
|
|
/// <param name="message">The string to localize</param>
|
|
/// <returns>The localized string</returns>
|
|
public string Localize(string message)
|
|
{
|
|
return catalog.GetString(PreFormat(message));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Localizes the string similar to how string.Format works
|
|
/// </summary>
|
|
/// <param name="message">The string to localize</param>
|
|
/// <param name="arg0">The first argument</param>
|
|
/// <returns>The localized string</returns>
|
|
public string Localize(string message, object arg0)
|
|
{
|
|
return catalog.GetString(PreFormat(message), arg0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Localizes the string similar to how string.Format works
|
|
/// </summary>
|
|
/// <param name="message">The string to localize</param>
|
|
/// <param name="arg0">The first argument</param>
|
|
/// <param name="arg1">The second argument</param>
|
|
/// <returns>The localized string</returns>
|
|
public string Localize(string message, object arg0, object arg1)
|
|
{
|
|
return catalog.GetString(PreFormat(message), arg0, arg1);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Localizes the string similar to how string.Format works
|
|
/// </summary>
|
|
/// <param name="message">The string to localize</param>
|
|
/// <param name="arg0">The first argument</param>
|
|
/// <param name="arg1">The second argument</param>
|
|
/// <param name="arg2">The third argument</param>
|
|
/// <returns>The localized string</returns>
|
|
public string Localize(string message, object arg0, object arg1, object arg2)
|
|
{
|
|
return catalog.GetString(PreFormat(message), arg0, arg1, arg2);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Localizes the string similar to how string.Format works
|
|
/// </summary>
|
|
/// <param name="message">The string to localize</param>
|
|
/// <param name="args">The arguments</param>
|
|
public string Localize(string message, params object[] args)
|
|
{
|
|
return catalog.GetString(PreFormat(message), args);
|
|
}
|
|
|
|
private static IEnumerable<CultureInfo> m_supportedcultures = null;
|
|
|
|
/// <summary>
|
|
/// Gets a list of all the supported cultures
|
|
/// </summary>
|
|
private static IEnumerable<CultureInfo> SupportedCultureInfos
|
|
{
|
|
get
|
|
{
|
|
if (m_supportedcultures == null)
|
|
{
|
|
var lst = new string[0].AsEnumerable();
|
|
|
|
if (SearchAssembly != null)
|
|
lst = lst.Union(SearchAssembly.GetManifestResourceNames());
|
|
foreach (var sp in SearchPaths)
|
|
if (Directory.Exists(sp))
|
|
lst = lst.Union(Directory.GetFiles(sp, "localization-*.mo"));
|
|
|
|
var allcultures =
|
|
from name in lst
|
|
let m = CI_MATCHER.Match(name)
|
|
let ci = m.Success ? LocalizationService.ParseCulture(m.Groups["culture"].Value) : null
|
|
where ci != null
|
|
select ci;
|
|
|
|
m_supportedcultures = allcultures.Concat(new[] { new CultureInfo("en") })
|
|
.Distinct();
|
|
}
|
|
return m_supportedcultures;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a list of all the supported cultures
|
|
/// </summary>
|
|
public static IEnumerable<string> SupportedCultures
|
|
{
|
|
get
|
|
{
|
|
return SupportedCultureInfos
|
|
.Select(x => x.Name).Distinct()
|
|
.OrderBy(x => x)
|
|
.ToList();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns true if the culture has localization support
|
|
/// </summary>
|
|
public static Boolean isCultureSupported(CultureInfo culture)
|
|
{
|
|
foreach (var supportedCulture in SupportedCultureInfos)
|
|
{
|
|
if (supportedCulture.TwoLetterISOLanguageName == culture.TwoLetterISOLanguageName)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|