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cefa87e4b7
* Moving Ionic.Zip source code into UE4 from UE4 source. * Only one left should be in Binaries/DotNET. * Moving TPS info to source location. * Deleting several copies that were floating around. Assembly Resolve Refactor * Added AssemblyUtils.InstallAssemblyResolver to handle resolving of known assemblies that may not exist in the same folder as the referencing assembly. * This is now installed by UAT and UBT, which should handle all needs to load Ionic.Zip and RPCUtility.exe from scripts that install into subfolders of Binaries/DotNET. * Other assemblies can be added easily as necesary, centralizing the location where this is handled. * Removed AssemblyResolver from RPCUtilHelper as UBT handles it automatically now. * Removed Ionic.Zip references from projects that weren't really using it. #codereview:ben.marsh [CL 2646891 by Wes Hunt in Main branch]
59 lines
2.6 KiB
C#
59 lines
2.6 KiB
C#
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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using System;
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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.Reflection;
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namespace Tools.DotNETCommon
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{
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public static class AssemblyUtils
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{
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/// <summary>
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/// Gets the original location (path and filename) of an assembly.
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/// This method is using Assembly.CodeBase property to properly resolve original
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/// assembly path in case shadow copying is enabled.
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/// </summary>
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/// <returns>Absolute path and filename to the assembly.</returns>
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public static string GetOriginalLocation(this Assembly ThisAssembly)
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{
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return new Uri(ThisAssembly.CodeBase).LocalPath;
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}
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/// <summary>
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/// Version info of the executable which runs this code.
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/// </summary>
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public static FileVersionInfo ExecutableVersion
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{
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get
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{
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return FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().GetOriginalLocation());
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}
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}
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/// <summary>
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/// Installs an assembly resolver. Mostly used to get shared assemblies that we don't want copied around to various output locations as happens when "Copy Local" is set to true
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/// for an assembly reference (which is the default).
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/// </summary>
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public static void InstallAssemblyResolver(string PathToBinariesDotNET)
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{
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AppDomain.CurrentDomain.AssemblyResolve += (sender, args) =>
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{
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// Name is fully qualified assembly definition - e.g. "p4dn, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ff968dc1933aba6f"
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string AssemblyName = args.Name.Split(',')[0];
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// Look for known assembly names we check into Binaries/DotNET/. Return null if we can't find it.
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return (
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from KnownAssemblyName in new[] { "RPCUtility.exe", "Ionic.Zip.Reduced.dll" }
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where AssemblyName.Equals(Path.GetFileNameWithoutExtension(KnownAssemblyName), StringComparison.InvariantCultureIgnoreCase)
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let ResolvedAssemblyFilename = Path.Combine(PathToBinariesDotNET, KnownAssemblyName)
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// check if the file exists first. If we just try to load it, we correctly throw an exception, but it's a generic
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// FileNotFoundException, which is not informative. Better to return null.
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select File.Exists(ResolvedAssemblyFilename) ? Assembly.LoadFile(ResolvedAssemblyFilename) : null
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).FirstOrDefault();
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};
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}
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}
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}
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