mirror of https://github.com/icsharpcode/ILSpy.git
5 changed files with 263 additions and 27 deletions
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// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System; |
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using System.Collections.Concurrent; |
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using System.Collections.Generic; |
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using System.Diagnostics; |
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using System.IO; |
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using System.Linq; |
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using System.Security; |
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using System.Threading; |
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using System.Threading.Tasks; |
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using System.Windows; |
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using ICSharpCode.Decompiler; |
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using ICSharpCode.ILSpy.TextView; |
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using ICSharpCode.ILSpy.TreeNodes; |
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using Microsoft.Win32; |
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namespace ICSharpCode.ILSpy |
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{ |
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/// <summary>
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/// An utility class that creates a Visual Studio solution containing projects for the
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/// decompiled assemblies.
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/// </summary>
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internal static class SolutionWriter |
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{ |
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private const string SolutionExtension = ".sln"; |
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private const string DefaultSolutionName = "Solution"; |
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/// <summary>
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/// Shows a File Selection dialog where the user can select the target file for the solution.
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/// </summary>
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/// <param name="path">The initial path to show in the dialog. If not specified, the 'Documents' directory
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/// will be used.</param>
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///
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/// <returns>The full path of the selected target file, or <c>null</c> if the user canceled.</returns>
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public static string SelectSolutionFile(string path) |
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{ |
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if (string.IsNullOrWhiteSpace(path)) { |
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path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); |
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} |
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SaveFileDialog dlg = new SaveFileDialog(); |
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dlg.InitialDirectory = path; |
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dlg.FileName = Path.Combine(path, DefaultSolutionName + SolutionExtension); |
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dlg.Filter = "Visual Studio Solution file|*" + SolutionExtension; |
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bool targetInvalid; |
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do { |
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if (dlg.ShowDialog() != true) { |
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return null; |
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} |
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string selectedPath = Path.GetDirectoryName(dlg.FileName); |
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try { |
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targetInvalid = Directory.EnumerateFileSystemEntries(selectedPath).Any(); |
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} catch (Exception e) when (e is IOException || e is UnauthorizedAccessException || e is SecurityException) { |
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MessageBox.Show( |
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"The directory cannot be accessed. Please ensure it exists and you have sufficient rights to access it.", |
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"Solution directory not accessible", |
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MessageBoxButton.OK, MessageBoxImage.Error); |
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targetInvalid = true; |
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continue; |
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} |
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if (targetInvalid) { |
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MessageBox.Show( |
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"The directory is not empty. Please select an empty directory.", |
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"Solution directory not empty", |
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MessageBoxButton.OK, MessageBoxImage.Warning); |
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} |
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} while (targetInvalid); |
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return dlg.FileName; |
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} |
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/// <summary>
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/// Creates a Visual Studio solution that contains projects with decompiled code
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/// of the specified <paramref name="assemblyNodes"/>. The solution file will be saved
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/// to the <paramref name="solutionFilePath"/>. The directory of this file must either
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/// be empty or not exist.
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/// </summary>
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/// <param name="textView">A reference to the <see cref="DecompilerTextView"/> instance.</param>
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/// <param name="solutionFilePath">The target file path of the solution file.</param>
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/// <param name="assemblyNodes">The assembly nodes to decompile.</param>
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///
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/// <exception cref="ArgumentException">Thrown when <paramref name="solutionFilePath"/> is null,
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/// an empty or a whitespace string.</exception>
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/// <exception cref="ArgumentNullException">Thrown when <paramref name="textView"/>> or
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/// <paramref name="assemblyNodes"/> is null.</exception>
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public static void CreateSolution(DecompilerTextView textView, string solutionFilePath, IEnumerable<AssemblyTreeNode> assemblyNodes) |
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{ |
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if (textView == null) { |
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throw new ArgumentNullException(nameof(textView)); |
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} |
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if (string.IsNullOrWhiteSpace(solutionFilePath)) { |
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throw new ArgumentException("The solution file path cannot be null or empty.", nameof(solutionFilePath)); |
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} |
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if (assemblyNodes == null) { |
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throw new ArgumentNullException(nameof(assemblyNodes)); |
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} |
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textView |
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.RunWithCancellation(ct => CreateSolution(solutionFilePath, assemblyNodes, ct)) |
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.Then(output => textView.ShowText(output)) |
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.HandleExceptions(); |
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} |
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private static async Task<AvalonEditTextOutput> CreateSolution( |
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string solutionFilePath, |
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IEnumerable<AssemblyTreeNode> assemblyNodes, |
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CancellationToken ct) |
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{ |
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var solutionDirectory = Path.GetDirectoryName(solutionFilePath); |
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var statusOutput = new ConcurrentBag<string>(); |
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var result = new AvalonEditTextOutput(); |
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var duplicates = new HashSet<string>(); |
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if (assemblyNodes.Any(n => !duplicates.Add(n.LoadedAssembly.ShortName))) { |
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result.WriteLine("Duplicate assembly names selected, cannot generate a solution."); |
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return result; |
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} |
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Stopwatch stopwatch = Stopwatch.StartNew(); |
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await Task.Run(() => Parallel.ForEach(assemblyNodes, n => WriteProject(n, solutionDirectory, statusOutput, ct))) |
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.ConfigureAwait(false); |
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foreach (var item in statusOutput) { |
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result.WriteLine(item); |
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} |
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if (statusOutput.Count == 0) { |
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result.WriteLine("Successfully decompiled the following assemblies to a Visual Studio Solution:"); |
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foreach (var item in assemblyNodes.Select(n => n.Text.ToString())) { |
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result.WriteLine(item); |
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} |
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result.WriteLine(); |
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result.WriteLine("Elapsed time: " + stopwatch.Elapsed.TotalSeconds.ToString("F1") + " seconds."); |
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result.WriteLine(); |
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result.AddButton(null, "Open Explorer", delegate { Process.Start("explorer", "/select,\"" + solutionFilePath + "\""); }); |
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} |
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return result; |
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} |
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private static void WriteProject(AssemblyTreeNode assemblyNode, string targetDirectory, ConcurrentBag<string> statusOutput, CancellationToken ct) |
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{ |
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var loadedAssembly = assemblyNode.LoadedAssembly; |
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targetDirectory = Path.Combine(targetDirectory, loadedAssembly.ShortName); |
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string projectFileName = Path.Combine(targetDirectory, loadedAssembly.ShortName + assemblyNode.Language.ProjectFileExtension); |
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if (!Directory.Exists(targetDirectory)) { |
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try { |
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Directory.CreateDirectory(targetDirectory); |
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} catch (Exception e) { |
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statusOutput.Add($"Failed to create a directory '{targetDirectory}':{Environment.NewLine}{e}"); |
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return; |
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} |
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} |
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try { |
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using (var projectFileWriter = new StreamWriter(projectFileName)) { |
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var projectFileOutput = new PlainTextOutput(projectFileWriter); |
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var options = new DecompilationOptions() { |
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FullDecompilation = true, |
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CancellationToken = ct, |
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SaveAsProjectDirectory = targetDirectory }; |
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assemblyNode.Decompile(assemblyNode.Language, projectFileOutput, options); |
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} |
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} catch (Exception e) { |
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statusOutput.Add($"Failed to decompile the assembly '{loadedAssembly.FileName}':{Environment.NewLine}{e}"); |
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return; |
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} |
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} |
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} |
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} |
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