156 lines
5.2 KiB
C#
156 lines
5.2 KiB
C#
using MediaBrowser.Common.Localization;
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using MediaBrowser.Common.Logging;
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using System;
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using System.Collections.Concurrent;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Xml.Serialization;
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namespace MediaBrowser.Controller.Localization
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{
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/// <summary>
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/// Class LocalizedStrings
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/// </summary>
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public class LocalizedStrings
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{
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/// <summary>
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/// The base prefix
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/// </summary>
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public const string BasePrefix = "base-";
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/// <summary>
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/// The local strings
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/// </summary>
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protected ConcurrentDictionary<string, string> LocalStrings = new ConcurrentDictionary<string, string>();
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/// <summary>
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/// The _instance
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/// </summary>
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private static LocalizedStrings _instance;
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/// <summary>
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/// Gets the instance.
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/// </summary>
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/// <value>The instance.</value>
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public static LocalizedStrings Instance { get { return _instance ?? (_instance = new LocalizedStrings()); } }
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/// <summary>
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/// Initializes a new instance of the <see cref="LocalizedStrings" /> class.
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/// </summary>
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public LocalizedStrings()
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{
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foreach (var stringObject in Kernel.Instance.StringFiles)
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{
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AddStringData(LoadFromFile(GetFileName(stringObject),stringObject.GetType()));
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}
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}
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/// <summary>
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/// Gets the name of the file.
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/// </summary>
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/// <param name="stringObject">The string object.</param>
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/// <returns>System.String.</returns>
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protected string GetFileName(LocalizedStringData stringObject)
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{
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var path = Kernel.Instance.ApplicationPaths.LocalizationPath;
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var name = Path.Combine(path, stringObject.Prefix + "strings-" + CultureInfo.CurrentCulture + ".xml");
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if (File.Exists(name))
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{
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return name;
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}
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name = Path.Combine(path, stringObject.Prefix + "strings-" + CultureInfo.CurrentCulture.Parent + ".xml");
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if (File.Exists(name))
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{
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return name;
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}
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//just return default
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return Path.Combine(path, stringObject.Prefix + "strings-en.xml");
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}
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/// <summary>
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/// Loads from file.
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/// </summary>
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/// <param name="file">The file.</param>
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/// <param name="t">The t.</param>
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/// <returns>LocalizedStringData.</returns>
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protected LocalizedStringData LoadFromFile(string file, Type t)
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{
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var xs = new XmlSerializer(t);
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var strings = (LocalizedStringData)Activator.CreateInstance(t);
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strings.FileName = file;
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Logger.LogInfo("Using String Data from {0}", file);
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if (File.Exists(file))
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{
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using (var fs = new FileStream(file, FileMode.Open, FileAccess.Read))
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{
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strings = (LocalizedStringData)xs.Deserialize(fs);
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}
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}
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else
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{
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strings.Save(); //brand new - save it
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}
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if (strings.ThisVersion != strings.Version && file.ToLower().Contains("-en.xml"))
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{
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//only re-save the english version as that is the one defined internally
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strings = new BaseStrings {FileName = file};
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strings.Save();
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}
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return strings;
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}
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/// <summary>
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/// Adds the string data.
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/// </summary>
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/// <param name="stringData">The string data.</param>
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public void AddStringData(object stringData )
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{
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//translate our object definition into a dictionary for lookups
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// and a reverse dictionary so we can lookup keys by value
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foreach (var field in stringData.GetType().GetFields().Where(f => f != null && f.FieldType == typeof(string)))
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{
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string value;
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try
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{
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value = field.GetValue(stringData) as string;
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}
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catch (TargetException ex)
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{
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Logger.LogException("Error getting value for field: {0}", ex, field.Name);
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continue;
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}
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catch (FieldAccessException ex)
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{
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Logger.LogException("Error getting value for field: {0}", ex, field.Name);
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continue;
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}
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catch (NotSupportedException ex)
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{
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Logger.LogException("Error getting value for field: {0}", ex, field.Name);
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continue;
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}
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LocalStrings.TryAdd(field.Name, value);
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}
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}
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/// <summary>
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/// Gets the string.
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/// </summary>
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/// <param name="key">The key.</param>
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/// <returns>System.String.</returns>
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public string GetString(string key)
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{
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string value;
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LocalStrings.TryGetValue(key, out value);
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return value;
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}
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}
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}
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