C# FileReference.IsUnderDirectory方法代码示例

		/// <summary>
		/// Find the shortest relative path of the given file from a set of base directories.
		/// </summary>
		/// <param name="File">Full path to a file</param>
		/// <param name="RebaseDirs">Possible base directories</param>
		/// <returns>The shortest relative path, or null if the file is not under any of them</returns>
		public static string FindShortestRelativePath(FileReference File, IEnumerable<DirectoryReference> RebaseDirs)
		{
			string RelativePath = null;
			foreach(DirectoryReference RebaseDir in RebaseDirs)
			{
				if(File.IsUnderDirectory(RebaseDir))
				{
					string NewRelativePath = File.MakeRelativeTo(RebaseDir);
					if(RelativePath == null || NewRelativePath.Length < RelativePath.Length)
					{
						RelativePath = NewRelativePath;
					}
				}
			}
			return RelativePath;
		}

	public override void ExecuteBuild()
	{
		// Get the plugin filename
		string PluginParam = ParseParamValue("Plugin");
		if(PluginParam == null)
		{
			throw new AutomationException("Missing -Plugin=... argument");
		}

		// Check it exists
		FileReference PluginFile = new FileReference(PluginParam);
		if (!PluginFile.Exists())
		{
			throw new AutomationException("Plugin '{0}' not found", PluginFile.FullName);
		}

		// Get the output directory
		string PackageParam = ParseParamValue("Package");
		if (PackageParam == null)
		{
			throw new AutomationException("Missing -Package=... argument");
		}

		// Make sure the packaging directory is valid
		DirectoryReference PackageDir = new DirectoryReference(PackageParam);
		if (PluginFile.IsUnderDirectory(PackageDir))
		{
			throw new AutomationException("Packaged plugin output directory must be different to source");
		}
		if (PackageDir.IsUnderDirectory(DirectoryReference.Combine(CommandUtils.RootDirectory, "Engine")))
		{
			throw new AutomationException("Output directory for packaged plugin must be outside engine directory");
		}

		// Clear the output directory of existing stuff
		if (PackageDir.Exists())
		{
			CommandUtils.DeleteDirectoryContents(PackageDir.FullName);
		}
		else
		{
			PackageDir.CreateDirectory();
		}

		// Create a placeholder FilterPlugin.ini with instructions on how to use it
		FileReference SourceFilterFile = FileReference.Combine(PluginFile.Directory, "Config", "FilterPlugin.ini");
		if (!SourceFilterFile.Exists())
		{
			List<string> Lines = new List<string>();
			Lines.Add("[FilterPlugin]");
			Lines.Add("; This section lists additional files which will be packaged along with your plugin. Paths should be listed relative to the root plugin directory, and");
			Lines.Add("; may include \"...\", \"*\", and \"?\" wildcards to match directories, files, and individual characters respectively.");
			Lines.Add(";");
			Lines.Add("; Examples:");
			Lines.Add(";    /README.txt");
			Lines.Add(";    /Extras/...");
			Lines.Add(";    /Binaries/ThirdParty/*.dll");
			SourceFilterFile.Directory.CreateDirectory();
			CommandUtils.WriteAllLines_NoExceptions(SourceFilterFile.FullName, Lines.ToArray());
		}

		// Create a host project for the plugin. For script generator plugins, we need to have UHT be able to load it, which can only happen if it's enabled in a project.
		FileReference HostProjectFile = FileReference.Combine(PackageDir, "HostProject", "HostProject.uproject");
		FileReference HostProjectPluginFile = CreateHostProject(HostProjectFile, PluginFile);

		// Read the plugin
		CommandUtils.Log("Reading plugin from {0}...", HostProjectPluginFile);
		PluginDescriptor Plugin = PluginDescriptor.FromFile(HostProjectPluginFile, false);

		// Compile the plugin for all the target platforms
		List<UnrealTargetPlatform> HostPlatforms = ParseParam("NoHostPlatform")? new List<UnrealTargetPlatform>() : new List<UnrealTargetPlatform> { BuildHostPlatform.Current.Platform };
		List<UnrealTargetPlatform> TargetPlatforms = GetTargetPlatforms(this, BuildHostPlatform.Current.Platform).Where(x => IsCodeTargetPlatform(BuildHostPlatform.Current.Platform, x)).ToList();
		FileReference[] BuildProducts = CompilePlugin(HostProjectFile, HostProjectPluginFile, Plugin, HostPlatforms, TargetPlatforms, "");

		// Package up the final plugin data
		PackagePlugin(HostProjectPluginFile, BuildProducts, PackageDir);

		// Remove the host project
		if(!ParseParam("NoDeleteHostProject"))
		{
			CommandUtils.DeleteDirectory(HostProjectFile.Directory.FullName);
		}
	}

		/// <summary>
		/// Find the game which contains a given input file.
		/// </summary>
		/// <param name="AllGameFolders">All game folders</param>
		/// <param name="File">Full path of the file to search for</param>
		protected UProjectInfo FindGameContainingFile(List<UProjectInfo> AllGames, FileReference File)
		{
			foreach (UProjectInfo Game in AllGames)
			{
				if (File.IsUnderDirectory(Game.Folder))
				{
					return Game;
				}
			}
			return null;
		}

		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="FileInfo">File to be added</param>
		/// <param name="RootDir">Root directory to store paths relative to</param>
		public TempStorageFile(FileInfo FileInfo, DirectoryReference RootDir)
		{
			// Check the file exists and is in the right location
			FileReference File = new FileReference(FileInfo);
			if(!File.IsUnderDirectory(RootDir))
			{
				throw new AutomationException("Attempt to add file to temp storage manifest that is outside the root directory ({0})", File.FullName);
			}
			if(!FileInfo.Exists)
			{
				throw new AutomationException("Attempt to add file to temp storage manifest that does not exist ({0})", File.FullName);
			}

			RelativePath = File.MakeRelativeTo(RootDir).Replace(Path.DirectorySeparatorChar, '/');
			LastWriteTimeUtcTicks = FileInfo.LastWriteTimeUtc.Ticks;
			Length = FileInfo.Length;
		}

		/// <summary>
		/// Checks whether the given assembly is a publically distributed engine assembly.
		/// </summary>
		/// <param name="File">Assembly location</param>
		/// <returns>True if the assembly is distributed publically</returns>
		static bool IsPublicAssembly(FileReference File)
		{
			DirectoryReference EngineDirectory = UnrealBuildTool.UnrealBuildTool.EngineDirectory;
			if(File.IsUnderDirectory(EngineDirectory))
			{
				string[] PathFragments = File.MakeRelativeTo(EngineDirectory).Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
				if(PathFragments.All(x => !x.Equals("NotForLicensees", StringComparison.InvariantCultureIgnoreCase) && !x.Equals("NoRedist", StringComparison.InvariantCultureIgnoreCase)))
				{
					return true;
				}
			}
			return false;
		}