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Make PluginBase a singleton.
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163
Aaru.Core/PluginBase.cs
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163
Aaru.Core/PluginBase.cs
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// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : PluginBase.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Core algorithms.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Gets lists of all known plugins.
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//
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// --[ License ] --------------------------------------------------------------
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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
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// published by the Free Software Foundation, either version 3 of the
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// License, or (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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// ----------------------------------------------------------------------------
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// Copyright © 2011-2023 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Aaru.Checksums;
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using Aaru.CommonTypes.Interfaces;
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namespace Aaru.Core;
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/// <summary>Plugin base operations</summary>
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public sealed class PluginBase
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{
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static PluginBase _instance;
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/// <summary>List of all archive formats</summary>
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public readonly SortedDictionary<string, Type> Archives;
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/// <summary>List of byte addressable image plugins</summary>
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public readonly SortedDictionary<string, Type> ByteAddressableImages;
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/// <summary>List of all filesystem plugins</summary>
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public readonly SortedDictionary<string, Type> Filesystems;
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/// <summary>List of filter plugins</summary>
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public readonly SortedDictionary<string, Type> Filters;
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/// <summary>List of floppy image plugins</summary>
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public readonly SortedDictionary<string, Type> FloppyImages;
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/// <summary>List of all media image plugins</summary>
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public readonly SortedDictionary<string, Type> MediaImages;
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/// <summary>List of all partition plugins</summary>
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public readonly SortedDictionary<string, Type> Partitions;
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/// <summary>List of read-only filesystem plugins</summary>
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public readonly SortedDictionary<string, Type> ReadOnlyFilesystems;
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/// <summary>List of writable floppy image plugins</summary>
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public readonly SortedDictionary<string, Type> WritableFloppyImages;
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/// <summary>List of writable media image plugins</summary>
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public readonly SortedDictionary<string, Type> WritableImages;
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PluginBase()
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{
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Filesystems = new SortedDictionary<string, Type>();
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ReadOnlyFilesystems = new SortedDictionary<string, Type>();
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Partitions = new SortedDictionary<string, Type>();
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MediaImages = new SortedDictionary<string, Type>();
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WritableImages = new SortedDictionary<string, Type>();
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Filters = new SortedDictionary<string, Type>();
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FloppyImages = new SortedDictionary<string, Type>();
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WritableFloppyImages = new SortedDictionary<string, Type>();
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Archives = new SortedDictionary<string, Type>();
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ByteAddressableImages = new SortedDictionary<string, Type>();
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}
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/// <summary>Gets a singleton with all the known plugins</summary>
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public static PluginBase Singleton
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{
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get
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{
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if(_instance != null)
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return _instance;
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_instance = new PluginBase();
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IPluginRegister checksumRegister = new Register();
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IPluginRegister imagesRegister = new DiscImages.Register();
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IPluginRegister filesystemsRegister = new Aaru.Filesystems.Register();
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IPluginRegister filtersRegister = new Filters.Register();
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IPluginRegister partitionsRegister = new Aaru.Partitions.Register();
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IPluginRegister archiveRegister = new Archives.Register();
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_instance.AddPlugins(checksumRegister);
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_instance.AddPlugins(imagesRegister);
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_instance.AddPlugins(filesystemsRegister);
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_instance.AddPlugins(filtersRegister);
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_instance.AddPlugins(partitionsRegister);
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_instance.AddPlugins(archiveRegister);
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return _instance;
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}
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}
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/// <summary>Adds plugins to the central plugin register</summary>
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/// <param name="pluginRegister">Plugin register</param>
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void AddPlugins(IPluginRegister pluginRegister)
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{
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foreach(Type type in pluginRegister.GetAllFilesystemPlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IFilesystem plugin &&
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!Filesystems.ContainsKey(plugin.Name.ToLower()))
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Filesystems.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllFilterPlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IFilter plugin &&
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!Filters.ContainsKey(plugin.Name.ToLower()))
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Filters.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllFloppyImagePlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IFloppyImage plugin &&
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!FloppyImages.ContainsKey(plugin.Name.ToLower()))
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FloppyImages.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllMediaImagePlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IMediaImage plugin &&
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!MediaImages.ContainsKey(plugin.Name.ToLower()))
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MediaImages.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllPartitionPlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IPartition plugin &&
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!Partitions.ContainsKey(plugin.Name.ToLower()))
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Partitions.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllReadOnlyFilesystemPlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IReadOnlyFilesystem plugin &&
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!ReadOnlyFilesystems.ContainsKey(plugin.Name.ToLower()))
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ReadOnlyFilesystems.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllWritableFloppyImagePlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IWritableFloppyImage plugin &&
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!WritableFloppyImages.ContainsKey(plugin.Name.ToLower()))
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WritableFloppyImages.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllWritableImagePlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IBaseWritableImage plugin &&
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!WritableImages.ContainsKey(plugin.Name.ToLower()))
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WritableImages.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllArchivePlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IArchive plugin &&
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!Archives.ContainsKey(plugin.Name.ToLower()))
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Archives.Add(plugin.Name.ToLower(), type);
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foreach(Type type in pluginRegister.GetAllByteAddressablePlugins() ?? Enumerable.Empty<Type>())
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if(Activator.CreateInstance(type) is IByteAddressableImage plugin &&
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!ByteAddressableImages.ContainsKey(plugin.Name.ToLower()))
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ByteAddressableImages.Add(plugin.Name.ToLower(), type);
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}
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}
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