ToolTask Class

ToolTask Class

 

When overridden in a derived form, provides functionality for a task that wraps a command line tool.

MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.

Namespace:   Microsoft.Build.Utilities
Assembly:  Microsoft.Build.Utilities.Core (in Microsoft.Build.Utilities.Core.dll)


public abstract class ToolTask : Task, ICancelableTask, ITask

NameDescription
System_CAPS_protmethodToolTask()

Initializes a new instance of the ToolTask class.

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System_CAPS_protmethodToolTask(ResourceManager)

Initializes a new instance of the ToolTask class with the specified ResourceManager.

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System_CAPS_protmethodToolTask(ResourceManager, String)

Initializes a new instance of the ToolTask class with the specified ResourceManager and Help keyword prefix.

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NameDescription
System_CAPS_pubpropertyBuildEngine

Gets or sets the instance of the IBuildEngine object used by the task.

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System_CAPS_pubpropertyBuildEngine2

Gets the instance of the IBuildEngine2 object used by the task.

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System_CAPS_pubpropertyBuildEngine3

Gets the instance of the IBuildEngine3 object used by the task.

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System_CAPS_pubpropertyBuildEngine4

Gets the instance of the IBuildEngine4 object used by the task.

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System_CAPS_pubpropertyEchoOff

Indicates that command line echoing is turned off.

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System_CAPS_protpropertyEnvironmentOverride

Obsolete.Gets a set of environment variable name-value pairs. Designed to be overridden in a custom task class (derived from ToolTask) to return a set of new or altered environment variables to create the execution context of the associated tool.

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System_CAPS_pubpropertyEnvironmentVariables

Array of equals-separated pairs of environment variables that should be passed to the spawned executable, in addition to (or selectively overriding) the regular environment block.

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System_CAPS_pubpropertyExitCode

Gets the returned exit code of the executable file.

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System_CAPS_protpropertyHasLoggedErrors

Whether this ToolTask has logged any errors

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System_CAPS_protpropertyHelpKeywordPrefix

Gets or sets the prefix used to compose Help keywords from resource names.

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System_CAPS_pubpropertyHostObject

Gets or sets the host object associated with the task.

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System_CAPS_pubpropertyLog

Gets an instance of a TaskLoggingHelper class containing task logging methods.

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System_CAPS_pubpropertyLogStandardErrorAsError

Should ALL messages received on the standard error stream be logged as errors.

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System_CAPS_protpropertyResponseFileEncoding

Gets the Encoding of the response file.

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System_CAPS_protpropertyStandardErrorEncoding

Gets the Encoding of the standard error stream of the task.

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System_CAPS_pubpropertyStandardErrorImportance

Task Parameter: Importance with which to log text from the standard error stream.

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System_CAPS_protpropertyStandardErrorImportanceToUse

Gets the actual importance at which standard error messages will be logged.

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System_CAPS_protpropertyStandardErrorLoggingImportance

Gets the MessageImportance with which to log errors.

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System_CAPS_protpropertyStandardOutputEncoding

Gets the Encoding of the standard output stream of the task.

MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.

System_CAPS_pubpropertyStandardOutputImportance

Task Parameter: Importance with which to log text from the standard out stream.

MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.

System_CAPS_protpropertyStandardOutputImportanceToUse

Gets the actual importance at which standard out messages will be logged.

MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.

System_CAPS_protpropertyStandardOutputLoggingImportance

Gets the MessageImportance with which to log errors.

MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.

System_CAPS_protpropertyTaskProcessTerminationTimeout

A timeout to wait for a task to terminate before killing it. In milliseconds.

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System_CAPS_protpropertyTaskResources

Gets or sets the culture-specific resources associated with the task.

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System_CAPS_pubpropertyTimeout

Gets or sets the amount of time after which the task executable is terminated.

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System_CAPS_protpropertyToolCanceled

Used to signal when a tool has been cancelled.

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System_CAPS_pubpropertyToolExe

Projects may set this to override a task's ToolName. Tasks may override this to prevent that.

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System_CAPS_protpropertyToolName

Gets the name of the executable file to run.

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System_CAPS_pubpropertyToolPath

Gets or sets the path of the executable file to run.

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System_CAPS_pubpropertyUseCommandProcessor

Gets or sets a switch that specifies whether the tool task will create a batch file for the command-line and execute that using the command-processor, rather than executing the command directly.

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System_CAPS_pubpropertyYieldDuringToolExecution

Indicates if the task will yield the node during tool execution.

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NameDescription
System_CAPS_protmethodCallHostObjectToExecute()

Calls the host object to perform the work of the task.

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System_CAPS_pubmethodCancel()

Cancels the process executing the task by asking it to close nicely, then after a short period, forcing termination.

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System_CAPS_protmethodDeleteTempFile(String)

Deletes the specified temporary file.

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System_CAPS_pubmethodEquals(Object)

(Inherited from Object.)

System_CAPS_pubmethodExecute()

Runs the exectuable file with the specified task parameters.

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System_CAPS_protmethodExecuteTool(String, String, String)

Creates a temporoary response (.rsp) file and runs the executable file.

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System_CAPS_protmethodFinalize()

(Inherited from Object.)

System_CAPS_protmethodGenerateCommandLineCommands()

Returns a string value containing the command line arguments to pass directly to the executable file.

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System_CAPS_protmethodGenerateFullPathToTool()

Returns the fully qualified path to the executable file.

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System_CAPS_protmethodGenerateResponseFileCommands()

Returns a string value containing the command line arguments to add to the response (.rsp) file before running the executable file.

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System_CAPS_pubmethodGetHashCode()

(Inherited from Object.)

System_CAPS_protmethodGetProcessStartInfo(String, String, String)

Initializes the information required to spawn the process executing the tool.

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System_CAPS_protmethodGetResponseFileSwitch(String)

Returns the command line switch used by the executable file to specifiy a response (.rsp) file.

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System_CAPS_pubmethodGetType()

(Inherited from Object.)

System_CAPS_protmethodGetWorkingDirectory()

Returns the directory in which to run the executable file.

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System_CAPS_protmethodHandleTaskExecutionErrors()

Handles execution errors raised by the executable file.

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System_CAPS_protmethodInitializeHostObject()

Initializes the host object of the task.

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System_CAPS_protmethodLogEventsFromTextOutput(String, MessageImportance)

Parses a single line of text to identify any errors or warnings in canonical format.

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System_CAPS_protmethodLogPathToTool(String, String)

Logs the tool name and path to all registered loggers.

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System_CAPS_protmethodLogToolCommand(String)

Logs the starting point of the run to all registered loggers.

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System_CAPS_protmethodMemberwiseClone()

(Inherited from Object.)

System_CAPS_protmethodResponseFileEscape(String)

Overridable method to escape the content of the response file.

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System_CAPS_protmethodSkipTaskExecution()

Indicates whether task execution should be skipped.

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System_CAPS_pubmethodToString()

(Inherited from Object.)

System_CAPS_protmethodValidateParameters()

Indicates whether all task paratmeters are valid.

MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.

This abstract class provides default implementations for the methods and properties of a task that wraps a command line tool.

The following example creates a ToolTask that runs Ilasm.exe (IL Assembler). The CommandLineBuilder, ToolLocationHelper, and TaskLoggingHelper classes are used to generate the information needed to run the task.

using System;
using System.Collections;
using System.Text;
using Microsoft.Build.Utilities;
using Microsoft.Build.Framework;

namespace MSBuildTasks
{
    /// <summary>
    /// A very simple and incomplete ToolTask to wrap the ILASM.EXE tool.
    /// </summary>
    public class ILAsm : ToolTask
    {
        #region Member Data
        /// <summary>
        /// Gets the collection of parameters used by the task class.
        /// </summary>
        /// <value>Parameter bag.</value>
        protected internal Hashtable Bag
        {
            get
            {
                return bag;
            }
        }

        private Hashtable bag = new Hashtable();
        #endregion

        #region ILAsm Task Properties
        /// <summary>
        /// The Source file that is to be compled (.il)
        /// </summary>
        public ITaskItem Source
        {
            get { return Bag["Source"] as ITaskItem; }
            set { Bag["Source"] = value; }
        }
        /// <summary>
        /// Either EXE or DLL indicating the assembly type to be generated
        /// </summary>
        public string TargetType
        {
            get { return Bag["TargetType"] as string; }
            set { Bag["TargetType"] = value; }
        }
        #endregion

        #region ToolTask Members
        protected override string ToolName
        {
            get { return "ILAsm.exe"; }
        }

        /// <summary>
        /// Use ToolLocationHelper to find ILASM.EXE in the Framework directory
        /// </summary>
        /// <returns></returns>
        protected override string GenerateFullPathToTool()
        {
            // Ask ToolLocationHelper to find ILASM.EXE - it will look in the latest framework directory available
            return ToolLocationHelper.GetPathToDotNetFrameworkFile(ToolName, TargetDotNetFrameworkVersion.VersionLatest);
        }
        #endregion

        #region ILAsm Task Members
        /// <summary>
        /// Construct the command line from the task properties by using the CommandLineBuilder
        /// </summary>
        /// <returns></returns>
        protected override string GenerateCommandLineCommands()
        {
            CommandLineBuilder builder = new CommandLineBuilder();

            // We don't need the tool's logo information shown
            builder.AppendSwitch("/nologo");

            string targetType = Bag["TargetType"] as string;
            // Be explicit with our switches
            if (targetType != null)
            {
                if (String.Compare(targetType, "DLL", true) == 0)
                {
                    builder.AppendSwitch("/DLL");
                }
                else if (String.Compare(targetType, "EXE", true) == 0)
                {
                    builder.AppendSwitch("/EXE");
                }
                else
                {
                    Log.LogWarning("Invalid TargetType (valid values are DLL and EXE) specified: {0}", targetType);
                }
            }

            // Add the filename that we want the tool to process
            builder.AppendFileNameIfNotNull(Bag["Source"] as ITaskItem);

            // Log a High importance message stating the file that we are assembling
            Log.LogMessage(MessageImportance.High, "Assembling {0}", Bag["Source"]);

            // We have all of our switches added, return the commandline as a string
            return builder.ToString();
        }
        #endregion
    }
}

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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