mirror of
https://github.com/greenshot/greenshot
synced 2025-07-14 09:03:44 -07:00
4e8f6b0b26
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1790 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
654 lines
22 KiB
C#
654 lines
22 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2012 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using System.Reflection;
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using Microsoft.Win32;
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using System.Xml;
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using Greenshot.IniFile;
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using System.Text.RegularExpressions;
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namespace GreenshotPlugin.Core {
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/// <summary>
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/// This class supplies the GUI with translations, based upon keys.
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/// The language resources are loaded from the language files found on fixed or supplied paths
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/// </summary>
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public class Language {
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private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(Language));
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private static List<string> languagePaths = new List<string>();
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private static IDictionary<string, List<LanguageFile>> languageFiles = new Dictionary<string, List<LanguageFile>>();
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private static IDictionary<string, string> helpFiles = new Dictionary<string, string>();
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private const string DEFAULT_LANGUAGE = "en-US";
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private const string HELP_FILENAME_PATTERN = @"help-*.html";
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private const string LANGUAGE_FILENAME_PATTERN = @"language*.xml";
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private static Regex PREFIX_REGEXP = new Regex(@"language_([a-zA-Z0-9]+).*");
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private static Regex IETF_CLEAN_REGEXP = new Regex(@"[^a-zA-Z]+");
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private static Regex IETF_REGEXP = new Regex(@"^.*([a-zA-Z]{2}-[a-zA-Z]{2})\.xml$");
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private const string LANGUAGE_GROUPS_KEY = @"SYSTEM\CurrentControlSet\Control\Nls\Language Groups";
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private static List<string> unsupportedLanguageGroups = new List<string>();
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private static IDictionary<string, string> resources = new Dictionary<string, string>();
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private static string currentLanguage = null;
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private static CoreConfiguration coreConfig = null;
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/// <summary>
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/// Static initializer for the language code
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/// </summary>
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static Language() {
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if (!LogHelper.isInitialized) {
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LOG.Warn("Log4net hasn't been initialized yet! (Design mode?)");
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LogHelper.InitializeLog4NET();
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}
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if (!IniConfig.IsInited) {
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LOG.Warn("IniConfig hasn't been initialized yet! (Design mode?)");
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IniConfig.Init("greenshot", "greenshot");
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}
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string applicationDataFolder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
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string applicationFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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// PAF Path
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AddPath(Path.Combine(applicationFolder, @"App\Greenshot\Languages"));
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// Application data path
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AddPath(Path.Combine(applicationDataFolder, @"Greenshot\Languages\"));
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// Startup path
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AddPath(Path.Combine(applicationFolder, @"Languages"));
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try {
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using (RegistryKey languageGroupsKey = Registry.LocalMachine.OpenSubKey(LANGUAGE_GROUPS_KEY, false)) {
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if (languageGroupsKey != null) {
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string [] groups = languageGroupsKey.GetValueNames();
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foreach(string group in groups) {
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string groupValue = (string)languageGroupsKey.GetValue(group);
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bool isGroupNotInstalled = "0".Equals(groupValue);
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if (isGroupNotInstalled) {
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unsupportedLanguageGroups.Add(group.ToLower());
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}
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}
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}
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}
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} catch(Exception e) {
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LOG.Warn("Couldn't read the installed language groups.", e);
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}
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coreConfig = IniConfig.GetIniSection<CoreConfiguration>();
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ScanFiles();
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if (!string.IsNullOrEmpty(coreConfig.Language)) {
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CurrentLanguage = coreConfig.Language;
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} else {
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CurrentLanguage = DEFAULT_LANGUAGE;
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}
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if (string.IsNullOrEmpty(CurrentLanguage)) {
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throw new ApplicationException("Couldn't set language, installation problem?");
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}
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}
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/// <summary>
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/// Internal method to add a path to the paths that will be scanned for language files!
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/// </summary>
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/// <param name="path"></param>
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/// <returns>true if the path exists and is added</returns>
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private static bool AddPath(string path) {
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if (!languagePaths.Contains(path)) {
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if (Directory.Exists(path)) {
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LOG.DebugFormat("Adding language path {0}", path);
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languagePaths.Add(path);
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return true;
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} else {
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LOG.InfoFormat("Not adding non existing language path {0}", path);
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}
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}
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return false;
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}
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/// <summary>
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/// Add a new path to the paths that will be scanned for language files!
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/// </summary>
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/// <param name="path"></param>
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/// <returns>true if the path exists and is added</returns>
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public static bool AddLanguageFilePath(string path) {
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if (!languagePaths.Contains(path)) {
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LOG.DebugFormat("New language path {0}", path);
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if (AddPath(path)) {
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ScanFiles();
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Reload();
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} else {
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return false;
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}
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}
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return true;
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}
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/// <summary>
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/// Load the files for the specified ietf
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/// </summary>
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/// <param name="ietf"></param>
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private static void LoadFiles(string ietf) {
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ietf = ReformatIETF(ietf);
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if (!languageFiles.ContainsKey(ietf)) {
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LOG.ErrorFormat("No language {0} available.", ietf);
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return;
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}
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List<LanguageFile> filesToLoad = languageFiles[ietf];
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foreach (LanguageFile fileToLoad in filesToLoad) {
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LoadResources(fileToLoad);
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}
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}
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/// <summary>
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/// Load the language resources from the scanned files
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/// </summary>
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private static void Reload() {
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resources.Clear();
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LoadFiles(DEFAULT_LANGUAGE);
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if (currentLanguage != null && !currentLanguage.Equals(DEFAULT_LANGUAGE)) {
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LoadFiles(currentLanguage);
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}
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}
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/// <summary>
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/// Get or set the current language
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/// </summary>
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public static string CurrentLanguage {
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get {
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return currentLanguage;
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}
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set {
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string ietf = FindBestIETFMatch(value);
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if (!languageFiles.ContainsKey(ietf)) {
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LOG.WarnFormat("No match for language {0} found!", ietf);
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} else {
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if (currentLanguage == null || !currentLanguage.Equals(ietf)) {
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currentLanguage = ietf;
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Reload();
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return;
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}
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}
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LOG.Debug("CurrentLanguage not changed!");
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}
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}
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/// <summary>
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/// Try to find the best match for the supplied IETF
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/// </summary>
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/// <param name="inputIETF"></param>
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/// <returns>IETF</returns>
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private static string FindBestIETFMatch(string inputIETF) {
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string returnIETF = inputIETF;
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if (string.IsNullOrEmpty(returnIETF)) {
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returnIETF = DEFAULT_LANGUAGE;
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}
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returnIETF = ReformatIETF(returnIETF);
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if (!languageFiles.ContainsKey(returnIETF)) {
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LOG.WarnFormat("Unknown language {0}, trying best match!", returnIETF);
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if (returnIETF.Length == 5) {
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returnIETF = returnIETF.Substring(0, 2);
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}
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foreach (string availableIETF in languageFiles.Keys) {
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if (availableIETF.StartsWith(returnIETF)) {
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LOG.InfoFormat("Found language {0}, best match for!", availableIETF, returnIETF);
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returnIETF = availableIETF;
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break;
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}
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}
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}
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return returnIETF;
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}
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/// <summary>
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/// This helper method clears all non alpha characters from the IETF, and does a reformatting.
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/// This prevents problems with multiple formats or typos.
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/// </summary>
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/// <param name="inputIETF"></param>
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/// <returns></returns>
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private static string ReformatIETF(string inputIETF) {
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string returnIETF = null;
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if (!string.IsNullOrEmpty(inputIETF)) {
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returnIETF = inputIETF.ToLower();
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returnIETF = IETF_CLEAN_REGEXP.Replace(returnIETF, "");
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if (returnIETF.Length == 4) {
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returnIETF = returnIETF.Substring(0, 2) + "-" + returnIETF.Substring(2, 2).ToUpper();
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}
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}
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return returnIETF;
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}
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/// <summary>
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/// Return a list of all the supported languages
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/// </summary>
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public static IList<LanguageFile> SupportedLanguages {
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get {
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IList<LanguageFile> languages = new List<LanguageFile>();
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// Loop over all languages with all the files in there
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foreach (List<LanguageFile> langs in languageFiles.Values) {
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// Loop over all the files for a language
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foreach (LanguageFile langFile in langs) {
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// Only take the ones without prefix, these are the "base" language files
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if (langFile.Prefix == null) {
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languages.Add(langFile);
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break;
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}
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}
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}
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return languages;
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}
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}
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/// <summary>
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/// Return the path to the help-file
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/// </summary>
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public static string HelpFilePath {
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get {
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if (helpFiles.ContainsKey(currentLanguage)) {
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return helpFiles[currentLanguage];
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}
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return helpFiles[DEFAULT_LANGUAGE];
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}
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}
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/// <summary>
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/// Load the resources from the language file
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/// </summary>
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/// <param name="languageFile">File to load from</param>
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private static void LoadResources(LanguageFile languageFile) {
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LOG.InfoFormat("Loading language file {0}", languageFile.Filepath);
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try {
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XmlDocument xmlDocument = new XmlDocument();
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xmlDocument.Load(languageFile.Filepath);
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XmlNodeList resourceNodes = xmlDocument.GetElementsByTagName("resource");
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foreach (XmlNode resourceNode in resourceNodes) {
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string key = resourceNode.Attributes["name"].Value;
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if (!string.IsNullOrEmpty(languageFile.Prefix)) {
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key = languageFile.Prefix + "." + key;
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}
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string text = resourceNode.InnerText;
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if (!string.IsNullOrEmpty(text)) {
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text = text.Trim();
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}
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if (!resources.ContainsKey(key)) {
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resources.Add(key, text);
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} else {
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resources[key] = text;
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}
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}
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} catch (Exception e) {
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LOG.Error("Could not load language file " + languageFile.Filepath, e);
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}
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}
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/// <summary>
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/// Load the language file information
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/// </summary>
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/// <param name="languageFilePath"></param>
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/// <returns></returns>
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private static LanguageFile LoadFileInfo(string languageFilePath) {
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try {
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XmlDocument xmlDocument = new XmlDocument();
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xmlDocument.Load(languageFilePath);
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XmlNodeList nodes = xmlDocument.GetElementsByTagName("language");
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if (nodes.Count > 0) {
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LanguageFile languageFile = new LanguageFile();
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languageFile.Filepath = languageFilePath;
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XmlNode node = nodes.Item(0);
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languageFile.Description = node.Attributes["description"].Value;
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if (node.Attributes["ietf"] != null) {
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languageFile.Ietf = ReformatIETF(node.Attributes["ietf"].Value);
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}
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if (node.Attributes["version"] != null) {
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languageFile.Version = new Version(node.Attributes["version"].Value);
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}
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if (node.Attributes["prefix"] != null) {
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languageFile.Prefix = node.Attributes["prefix"].Value.ToLower();
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}
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if (node.Attributes["languagegroup"] != null) {
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string languageGroup = node.Attributes["languagegroup"].Value;
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languageFile.LanguageGroup = languageGroup.ToLower();
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}
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return languageFile;
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} else {
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throw new XmlException("Root element <language> is missing");
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}
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} catch (Exception e) {
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LOG.Error("Could not load language file " + languageFilePath, e);
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}
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return null;
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}
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/// <summary>
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/// Scan the files in all directories
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/// </summary>
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private static void ScanFiles() {
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languageFiles.Clear();
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helpFiles.Clear();
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foreach (string languagePath in languagePaths) {
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if (!Directory.Exists(languagePath)) {
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LOG.InfoFormat("Skipping non existing language path {0}", languagePath);
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continue;
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}
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LOG.InfoFormat("Searching language directory '{0}' for language files with pattern '{1}'", languagePath, LANGUAGE_FILENAME_PATTERN);
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try {
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foreach (string languageFilepath in Directory.GetFiles(languagePath, LANGUAGE_FILENAME_PATTERN, SearchOption.AllDirectories)) {
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LOG.DebugFormat("Found language file: {0}", languageFilepath);
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LanguageFile languageFile = LoadFileInfo(languageFilepath);
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if (languageFile == null) {
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continue;
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}
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if (string.IsNullOrEmpty(languageFile.Ietf)) {
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LOG.WarnFormat("Fixing missing ietf in language-file {0}", languageFilepath);
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string languageFilename = Path.GetFileName(languageFilepath);
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if (IETF_REGEXP.IsMatch(languageFilename)) {
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string replacementIETF = IETF_REGEXP.Replace(languageFilename, "$1");
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languageFile.Ietf = ReformatIETF(replacementIETF);
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LOG.InfoFormat("Fixed IETF to {0}", languageFile.Ietf);
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} else {
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LOG.ErrorFormat("Missing ietf , no recover possible... skipping language-file {0}!", languageFilepath);
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continue;
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}
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}
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// Check if we can display the file
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if (!string.IsNullOrEmpty(languageFile.LanguageGroup) && unsupportedLanguageGroups.Contains(languageFile.LanguageGroup)) {
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LOG.InfoFormat("Skipping unsuported (not able to display) language {0}", languageFile.Description);
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continue;
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}
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// build prefix, based on the filename, but only if it's not set in the file itself.
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if (string.IsNullOrEmpty(languageFile.Prefix)) {
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string languageFilename = Path.GetFileNameWithoutExtension(languageFilepath);
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if (PREFIX_REGEXP.IsMatch(languageFilename)) {
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languageFile.Prefix = PREFIX_REGEXP.Replace(languageFilename, "$1");
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if (!string.IsNullOrEmpty(languageFile.Prefix)) {
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languageFile.Prefix = languageFile.Prefix.Replace("plugin", "").ToLower();
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}
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}
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}
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List<LanguageFile> currentFiles = null;
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if (languageFiles.ContainsKey(languageFile.Ietf)) {
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currentFiles = languageFiles[languageFile.Ietf];
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bool needToAdd = true;
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List<LanguageFile> deleteList = new List<LanguageFile>();
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foreach (LanguageFile compareWithLangfile in currentFiles) {
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if ((languageFile.Prefix == null && compareWithLangfile.Prefix == null) || (languageFile.Prefix != null && languageFile.Prefix.Equals(compareWithLangfile.Prefix))) {
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if (compareWithLangfile.Version > languageFile.Version) {
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LOG.WarnFormat("Skipping {0}:{1}:{2} as {3}:{4}:{5} is newer", languageFile.Filepath, languageFile.Prefix, languageFile.Version, compareWithLangfile.Filepath, compareWithLangfile.Prefix, compareWithLangfile.Version);
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needToAdd = false;
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break;
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} else {
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LOG.WarnFormat("Found {0}:{1}:{2} and deleting {3}:{4}:{5}", languageFile.Filepath, languageFile.Prefix, languageFile.Version, compareWithLangfile.Filepath, compareWithLangfile.Prefix, compareWithLangfile.Version);
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deleteList.Add(compareWithLangfile);
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}
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}
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}
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if (needToAdd) {
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foreach (LanguageFile deleteFile in deleteList) {
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currentFiles.Remove(deleteFile);
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}
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LOG.InfoFormat("Added language {0} from: {1}", languageFile.Description, languageFile.Filepath);
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currentFiles.Add(languageFile);
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}
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} else {
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currentFiles = new List<LanguageFile>();
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currentFiles.Add(languageFile);
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languageFiles.Add(languageFile.Ietf, currentFiles);
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LOG.InfoFormat("Added language {0} from: {1}", languageFile.Description, languageFile.Filepath);
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}
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}
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} catch (DirectoryNotFoundException) {
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LOG.InfoFormat("Non existing language directory: {0}", languagePath);
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} catch (Exception e) {
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LOG.Error("Error trying for read directory " + languagePath, e);
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}
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// Now find the help files
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LOG.InfoFormat("Searching language directory '{0}' for help files with pattern '{1}'", languagePath, HELP_FILENAME_PATTERN);
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try {
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foreach (string helpFilepath in Directory.GetFiles(languagePath, HELP_FILENAME_PATTERN, SearchOption.AllDirectories)) {
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LOG.DebugFormat("Found help file: {0}", helpFilepath);
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string helpFilename = Path.GetFileName(helpFilepath);
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string ietf = ReformatIETF(helpFilename.Replace(".html", "").Replace("help-", ""));
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if (!helpFiles.ContainsKey(ietf)) {
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helpFiles.Add(ietf, helpFilepath);
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} else {
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LOG.WarnFormat("skipping help file {0}, already a file with the same IETF {1} found!", helpFilepath, ietf);
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}
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}
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} catch (DirectoryNotFoundException) {
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LOG.InfoFormat("Non existing language directory: {0}", languagePath);
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} catch (Exception e) {
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LOG.Error("Error trying for read directory " + languagePath, e);
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}
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}
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}
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/// <summary>
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/// Check if a resource with prefix.key exists
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/// </summary>
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/// <param name="prefix"></param>
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/// <param name="key"></param>
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/// <returns>true if available</returns>
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public static bool hasKey(string prefix, Enum key) {
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if (key == null) {
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return false;
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}
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return hasKey(prefix + "." + key.ToString());
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}
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/// <summary>
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/// Check if a resource with key exists
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/// </summary>
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/// <param name="key"></param>
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/// <returns>true if available</returns>
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public static bool hasKey(Enum key) {
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if (key == null) {
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return false;
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}
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return hasKey(key.ToString());
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}
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/// <summary>
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/// Check if a resource with prefix.key exists
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/// </summary>
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/// <param name="prefix"></param>
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/// <param name="key"></param>
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/// <returns>true if available</returns>
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public static bool hasKey(string prefix, string key) {
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return hasKey(prefix + "." + key);
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}
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/// <summary>
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/// Check if a resource with key exists
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/// </summary>
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/// <param name="key"></param>
|
|
/// <returns>true if available</returns>
|
|
public static bool hasKey(string key) {
|
|
if (key == null) {
|
|
return false;
|
|
}
|
|
return resources.ContainsKey(key);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for key
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns>resource or a "string ###key### not found"</returns>
|
|
public static string GetString(Enum key) {
|
|
if (key == null) {
|
|
return null;
|
|
}
|
|
return GetString(key.ToString());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for prefix.key
|
|
/// </summary>
|
|
/// <param name="prefix"></param>
|
|
/// <param name="key"></param>
|
|
/// <returns>resource or a "string ###prefix.key### not found"</returns>
|
|
public static string GetString(string prefix, Enum key) {
|
|
if (key == null) {
|
|
return null;
|
|
}
|
|
return GetString(prefix + "." + key.ToString());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for prefix.key
|
|
/// </summary>
|
|
/// <param name="prefix"></param>
|
|
/// <param name="key"></param>
|
|
/// <returns>resource or a "string ###prefix.key### not found"</returns>
|
|
public static string GetString(string prefix, string key) {
|
|
return GetString(prefix + "." + key);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for key
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns>resource or a "string ###key### not found"</returns>
|
|
public static string GetString(string key) {
|
|
if (key == null) {
|
|
return null;
|
|
}
|
|
string returnValue;
|
|
if (!resources.TryGetValue(key, out returnValue)) {
|
|
return "string ###" + key + "### not found";
|
|
}
|
|
return returnValue;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for key, format with with string.format an supply the parameters
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns>formatted resource or a "string ###key### not found"</returns>
|
|
public static string GetFormattedString(Enum key, object param) {
|
|
return GetFormattedString(key.ToString(), param);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for prefix.key, format with with string.format an supply the parameters
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns>formatted resource or a "string ###prefix.key### not found"</returns>
|
|
public static string GetFormattedString(string prefix, Enum key, object param) {
|
|
return GetFormattedString(prefix, key.ToString(), param);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for prefix.key, format with with string.format an supply the parameters
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns>formatted resource or a "string ###prefix.key### not found"</returns>
|
|
public static string GetFormattedString(string prefix, string key, object param) {
|
|
return GetFormattedString(prefix + "." + key, param);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get the resource for key, format with with string.format an supply the parameters
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns>formatted resource or a "string ###key### not found"</returns>
|
|
public static string GetFormattedString(string key, object param) {
|
|
string returnValue;
|
|
if (!resources.TryGetValue(key, out returnValue)) {
|
|
return "string ###" + key + "### not found";
|
|
}
|
|
return String.Format(returnValue, param);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// This class contains the information about a language file
|
|
/// </summary>
|
|
public class LanguageFile : IEquatable<LanguageFile> {
|
|
public string Description {
|
|
get;
|
|
set;
|
|
}
|
|
|
|
public string Ietf {
|
|
get;
|
|
set;
|
|
}
|
|
|
|
public Version Version {
|
|
get;
|
|
set;
|
|
}
|
|
|
|
public string LanguageGroup {
|
|
get;
|
|
set;
|
|
}
|
|
|
|
public string Filepath {
|
|
get;
|
|
set;
|
|
}
|
|
|
|
public string Prefix {
|
|
get;
|
|
set;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Overload equals so we can delete a entry from a collection
|
|
/// </summary>
|
|
/// <param name="other"></param>
|
|
/// <returns></returns>
|
|
public bool Equals(LanguageFile other) {
|
|
if (Prefix != null) {
|
|
if (!Prefix.Equals(other.Prefix)) {
|
|
return false;
|
|
}
|
|
} else if (other.Prefix != null) {
|
|
return false;
|
|
}
|
|
if (Ietf != null) {
|
|
if (!Ietf.Equals(other.Ietf)) {
|
|
return false;
|
|
}
|
|
} else if (other.Ietf != null) {
|
|
return false;
|
|
}
|
|
if (Version != null) {
|
|
if (!Version.Equals(other.Version)) {
|
|
return false;
|
|
}
|
|
} else if (other.Version != null) {
|
|
return false;
|
|
}
|
|
if (Filepath != null) {
|
|
if (!Filepath.Equals(other.Filepath)) {
|
|
return false;
|
|
}
|
|
} else if (other.Filepath != null) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
}
|