48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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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.Reflection;
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namespace Microsoft.DotNet.Build.Tasks
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{
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internal static class FileUtilities
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{
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public static Version GetFileVersion(string sourcePath)
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{
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var fvi = FileVersionInfo.GetVersionInfo(sourcePath);
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return fvi != null
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? new Version(fvi.FileMajorPart, fvi.FileMinorPart, fvi.FileBuildPart, fvi.FilePrivatePart)
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: null;
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}
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private static readonly HashSet<string> _assemblyExtensions = new HashSet<string>(new[] { ".dll", ".exe", ".winmd" }, StringComparer.OrdinalIgnoreCase);
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public static Version TryGetAssemblyVersion(string sourcePath)
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{
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var extension = Path.GetExtension(sourcePath);
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return _assemblyExtensions.Contains(extension)
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? GetAssemblyVersion(sourcePath)
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: null;
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}
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private static Version GetAssemblyVersion(string sourcePath)
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{
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try
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{
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return AssemblyName.GetAssemblyName(sourcePath)?.Version;
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}
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catch (BadImageFormatException)
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{
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// If an .dll file cannot be read, it may be a native .dll which would not have an assembly version.
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return null;
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}
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}
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}
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}
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