118 lines
3.1 KiB
C#
118 lines
3.1 KiB
C#
// Copyright (c) .NET Foundation and contributors. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Collections.Immutable;
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using System.IO;
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using System.Text;
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using System.Diagnostics;
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using System.Threading.Tasks;
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namespace Microsoft.DotNet.Tools.Test.Utilities
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{
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public class TempFile
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{
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private readonly string _path;
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internal TempFile(string path)
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{
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Debug.Assert(PathUtilities.IsAbsolute(path));
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_path = path;
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}
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internal TempFile(string prefix, string extension, string directory, string callerSourcePath, int callerLineNumber)
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{
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while (true)
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{
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if (prefix == null)
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{
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prefix = System.IO.Path.GetFileName(callerSourcePath) + "_" + callerLineNumber.ToString() + "_";
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}
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_path = System.IO.Path.Combine(directory ?? TempRoot.Root, prefix + Guid.NewGuid() + (extension ?? ".tmp"));
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try
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{
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TempRoot.CreateStream(_path);
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break;
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}
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catch (PathTooLongException)
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{
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throw;
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}
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catch (DirectoryNotFoundException)
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{
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throw;
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}
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catch (IOException)
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{
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// retry
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}
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}
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}
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public FileStream Open(FileAccess access = FileAccess.ReadWrite)
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{
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return new FileStream(_path, FileMode.Open, access);
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}
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public string Path
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{
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get { return _path; }
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}
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public TempFile WriteAllText(string content, Encoding encoding)
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{
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File.WriteAllText(_path, content, encoding);
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return this;
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}
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public TempFile WriteAllText(string content)
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{
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File.WriteAllText(_path, content);
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return this;
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}
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public async Task<TempFile> WriteAllTextAsync(string content, Encoding encoding)
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{
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using (var sw = new StreamWriter(File.Create(_path), encoding))
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{
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await sw.WriteAsync(content).ConfigureAwait(false);
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}
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return this;
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}
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public Task<TempFile> WriteAllTextAsync(string content)
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{
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return WriteAllTextAsync(content, Encoding.UTF8);
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}
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public TempFile WriteAllBytes(byte[] content)
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{
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File.WriteAllBytes(_path, content);
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return this;
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}
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public TempFile WriteAllBytes(ImmutableArray<byte> content)
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{
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content.WriteToFile(_path);
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return this;
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}
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public string ReadAllText()
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{
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return File.ReadAllText(_path);
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}
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public TempFile CopyContentFrom(string path)
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{
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return WriteAllBytes(File.ReadAllBytes(path));
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}
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public override string ToString()
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{
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return _path;
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}
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}
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}
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