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Viewing changes to src/AddIns/Misc/ResourceToolkit/Project/Src/ResourceFileContent/ResourceFileContentRegistry.cs

  • Committer: sk
  • Date: 2011-09-10 05:17:57 UTC
  • Revision ID: halega@halega.com-20110910051757-qfouz1llya9m6boy
4.1.0.7915 Release Candidate 1

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src/AddIns/Misc/ResourceToolkit/Project/Src/ResourceFileContent/ResourceFileContentRegistry.cs
 
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
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using System;
 
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using System.Collections.Generic;
 
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using ICSharpCode.Core;
 
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namespace Hornung.ResourceToolkit.ResourceFileContent
 
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{
 
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        /// <summary>
 
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        /// Provides facilities to load and cache the contents of resource files.
 
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        /// </summary>
 
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        public static class ResourceFileContentRegistry
 
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        {
 
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                /// <summary>
 
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                /// The AddIn tree path where the resource file content factories are registered.
 
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                /// </summary>
 
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                public const string ResourceFileContentFactoriesAddInTreePath = "/AddIns/ResourceToolkit/ResourceFileContentFactories";
 
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                static List<IResourceFileContentFactory> factories;
 
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                /// <summary>
 
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                /// Gets a list of all registered resource file content factories.
 
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                /// </summary>
 
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                public static IEnumerable<IResourceFileContentFactory> Factories {
 
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                        get {
 
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                                if (factories == null) {
 
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                                        factories = AddInTree.BuildItems<IResourceFileContentFactory>(ResourceFileContentFactoriesAddInTreePath, null, false);
 
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                                }
 
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                                return factories;
 
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                        }
 
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                }
 
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                static Dictionary<string, IResourceFileContent> resourceFileContents = new Dictionary<string, IResourceFileContent>();
 
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                /// <summary>
 
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                /// Gets the resource content for the specified file.
 
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                /// </summary>
 
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                /// <param name="fileName">The name of the file to get a resource content for.</param>
 
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                /// <returns>The resource content for the specified file, or <c>null</c> if the format of the specified resource file cannot be handled.</returns>
 
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                public static IResourceFileContent GetResourceFileContent(string fileName)
 
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                {
 
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                        IResourceFileContent c;
 
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                        if (!resourceFileContents.TryGetValue(fileName, out c)) {
 
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                                c = CreateResourceFileContent(fileName);
 
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                                if (c == null) {
 
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                                        return null;
 
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                                }
 
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                                resourceFileContents[fileName] = c;
 
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                        }
 
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                        return c;
 
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                }
 
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                /// <summary>
 
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                /// Creates the resource content for the specified file.
 
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                /// </summary>
 
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                /// <param name="fileName">The name of the file to create a resource content for.</param>
 
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                /// <returns>The resource content for the specified file, or <c>null</c>, if the resource file format cannot be handled.</returns>
 
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                static IResourceFileContent CreateResourceFileContent(string fileName)
 
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                {
 
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                        IResourceFileContentFactory factory = GetResourceFileContentFactory(fileName);
 
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                        if (factory == null) {
 
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                                return null;
 
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                        } else {
 
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                                return factory.CreateContentForFile(fileName);
 
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                        }
 
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                }
 
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                /// <summary>
 
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                /// Gets a <see cref="IResourceFileContentFactory"/> that can create the resource file content
 
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                /// for the specified resource file.
 
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                /// </summary>
 
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                /// <param name="fileName">The resource file to get a <see cref="IResourceFileContentFactory"/> for.</param>
 
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                /// <returns>A <see cref="IResourceFileContentFactory"/> that can create the resource file content for the specified file, or <c>null</c> if the specified file is not supported by any registered resource file content factory.</returns>
 
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                public static IResourceFileContentFactory GetResourceFileContentFactory(string fileName)
 
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                {
 
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                        foreach (IResourceFileContentFactory factory in Factories) {
 
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                                if (factory.CanCreateContentForFile(fileName)) {
 
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                                        return factory;
 
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                                }
 
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                        }
 
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                        return null;
 
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                }
 
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                // ********************************************************************************************************************************
 
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                /// <summary>
 
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                /// The AddIn tree path where the localized resource finders are registered.
 
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                /// </summary>
 
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                public const string LocalizedResourcesFindersAddInTreePath = "/AddIns/ResourceToolkit/LocalizedResourcesFinders";
 
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                static List<ILocalizedResourcesFinder> localizedResourcesFinders;
 
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                /// <summary>
 
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                /// Gets a list of all registered localized resources finders.
 
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                /// </summary>
 
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                public static IEnumerable<ILocalizedResourcesFinder> LocalizedResourcesFinders {
 
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                        get {
 
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                                if (localizedResourcesFinders == null) {
 
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                                        localizedResourcesFinders = AddInTree.BuildItems<ILocalizedResourcesFinder>(LocalizedResourcesFindersAddInTreePath, null, false);
 
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                                }
 
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                                return localizedResourcesFinders;
 
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                        }
 
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                }
 
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                /// <summary>
 
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                /// Gets localized resources that belong to the master resource file.
 
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                /// </summary>
 
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                /// <param name="fileName">The name of the master resource file.</param>
 
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                /// <returns>A dictionary of culture names and associated resource file contents.</returns>
 
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                public static IDictionary<string, IResourceFileContent> GetLocalizedContents(string fileName)
 
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                {
 
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                        Dictionary<string, IResourceFileContent> list = new Dictionary<string, IResourceFileContent>();
 
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                        foreach (ILocalizedResourcesFinder finder in LocalizedResourcesFinders) {
 
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                                IDictionary<string, IResourceFileContent> l = finder.GetLocalizedContents(fileName);
 
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                                if (l != null) {
 
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                                        foreach (KeyValuePair<string, IResourceFileContent> entry in l) {
 
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                                                if (!list.ContainsKey(entry.Key)) {
 
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                                                        list.Add(entry.Key, entry.Value);
 
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                                                }
 
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                                        }
 
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                                }
 
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                        }
 
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                        return list;
 
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                }
 
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        }
 
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}