Windows-powershell / PowerShell-master /src /System.Management.Automation /namespaces /ProviderBase.cs
| // Copyright (c) Microsoft Corporation. | |
| // Licensed under the MIT License. | |
| using System.Collections.ObjectModel; | |
| using System.IO; | |
| using System.Management.Automation.Runspaces; | |
| using System.Management.Automation.Internal; | |
| using System.Management.Automation.Host; | |
| using System.Resources; | |
| using System.Diagnostics.CodeAnalysis; // for fxcop | |
| using System.Security.AccessControl; | |
| namespace System.Management.Automation.Provider | |
| { | |
| /// <summary> | |
| /// This interface needs to be implemented by providers that want users to see | |
| /// provider-specific help. | |
| /// </summary> | |
| public interface ICmdletProviderSupportsHelp | |
| { | |
| /// <summary> | |
| /// Called by the help system to get provider-specific help from the provider. | |
| /// </summary> | |
| /// <param name="helpItemName"> | |
| /// Name of command that the help is requested for. | |
| /// </param> | |
| /// <param name="path"> | |
| /// Full path to the current location of the user or the full path to | |
| /// the location of the property that the user needs help about. | |
| /// </param> | |
| /// <returns> | |
| /// The MAML help XML that should be presented to the user. | |
| /// </returns> | |
| [] | |
| string GetHelpMaml(string helpItemName, string path); | |
| } | |
| /// <summary> | |
| /// The base class for Cmdlet provider. | |
| /// </summary> | |
| /// <remarks> | |
| /// Although it is possible to derive from this base class to implement a Cmdlet Provider, in most | |
| /// cases one should derive from <see cref="System.Management.Automation.Provider.ItemCmdletProvider"/>, | |
| /// <see cref="System.Management.Automation.Provider.ContainerCmdletProvider"/>, or | |
| /// <see cref ="System.Management.Automation.Provider.NavigationCmdletProvider"/> | |
| /// </remarks> | |
| public abstract partial class CmdletProvider : IResourceSupplier | |
| { | |
| /// <summary> | |
| /// The context under which the provider is running. This will change between each | |
| /// invocation of a method in this class or derived classes. | |
| /// </summary> | |
| private CmdletProviderContext _contextBase = null; | |
| /// <summary> | |
| /// The information that the Monad engine stores on behalf of the provider. | |
| /// </summary> | |
| private ProviderInfo _providerInformation = null; | |
| /// <summary> | |
| /// An instance of the PSTraceSource class used for trace output | |
| /// using "CmdletProviderClasses" as the category. | |
| /// </summary> | |
| [ | |
| ] | |
| internal static readonly PSTraceSource providerBaseTracer = PSTraceSource.GetTracer( | |
| "CmdletProviderClasses", | |
| "The namespace provider base classes tracer"); | |
| /// <summary> | |
| /// Sets the provider information that is stored in the Monad engine into the | |
| /// provider base class. | |
| /// </summary> | |
| /// <param name="providerInfoToSet"> | |
| /// The provider information that is stored by the Monad engine. | |
| /// </param> | |
| /// <exception cref="ArgumentNullException"> | |
| /// If <paramref name="providerInformation"/> is null. | |
| /// </exception> | |
| internal void SetProviderInformation(ProviderInfo providerInfoToSet) | |
| { | |
| if (providerInfoToSet == null) | |
| { | |
| throw PSTraceSource.NewArgumentNullException(nameof(providerInfoToSet)); | |
| } | |
| _providerInformation = providerInfoToSet; | |
| } | |
| /// <summary> | |
| /// Checks whether the filter of the provider is set. | |
| /// Can be overridden by derived class when additional filters are defined. | |
| /// </summary> | |
| /// <returns> | |
| /// Whether the filter of the provider is set. | |
| /// </returns> | |
| internal virtual bool IsFilterSet() | |
| { | |
| bool filterSet = !string.IsNullOrEmpty(Filter); | |
| return filterSet; | |
| } | |
| /// <summary> | |
| /// Gets or sets the context for the running command. | |
| /// </summary> | |
| /// <exception cref="NotSupportedException"> | |
| /// On set, if the context contains credentials and the provider | |
| /// doesn't support credentials, or if the context contains a filter | |
| /// parameter and the provider does not support filters. | |
| /// </exception> | |
| internal CmdletProviderContext Context | |
| { | |
| get | |
| { | |
| return _contextBase; | |
| } | |
| set | |
| { | |
| if (value == null) | |
| { | |
| throw PSTraceSource.NewArgumentNullException("value"); | |
| } | |
| // Check that the provider supports the use of credentials | |
| if (value.Credential != null && | |
| value.Credential != PSCredential.Empty && | |
| !CmdletProviderManagementIntrinsics.CheckProviderCapabilities(ProviderCapabilities.Credentials, _providerInformation)) | |
| { | |
| throw PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.Credentials_NotSupported); | |
| } | |
| // Supplying Credentials for the FileSystemProvider is supported only for New-PSDrive Command. | |
| if (_providerInformation != null && !string.IsNullOrEmpty(_providerInformation.Name) && _providerInformation.Name.Equals("FileSystem") && | |
| value.Credential != null && | |
| value.Credential != PSCredential.Empty && | |
| !value.ExecutionContext.CurrentCommandProcessor.Command.GetType().Name.Equals("NewPSDriveCommand")) | |
| { | |
| throw PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.FileSystemProviderCredentials_NotSupported); | |
| } | |
| // Check that the provider supports the use of filters | |
| if ((!string.IsNullOrEmpty(value.Filter)) && | |
| (!CmdletProviderManagementIntrinsics.CheckProviderCapabilities(ProviderCapabilities.Filter, _providerInformation))) | |
| { | |
| throw PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.Filter_NotSupported); | |
| } | |
| // Check that the provider supports the use of transactions if the command | |
| // requested it | |
| if ((value.UseTransaction) && | |
| (!CmdletProviderManagementIntrinsics.CheckProviderCapabilities(ProviderCapabilities.Transactions, _providerInformation))) | |
| { | |
| throw PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.Transactions_NotSupported); | |
| } | |
| _contextBase = value; | |
| _contextBase.ProviderInstance = this; | |
| } | |
| } | |
| /// <summary> | |
| /// Called when the provider is first initialized. It sets the context | |
| /// of the call and then calls the derived providers Start method. | |
| /// </summary> | |
| /// <param name="providerInfo"> | |
| /// The information about the provider. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| internal ProviderInfo Start(ProviderInfo providerInfo, CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| return Start(providerInfo); | |
| } | |
| /// <summary> | |
| /// Gets an object that defines the additional parameters for the Start implementation | |
| /// for a provider. | |
| /// </summary> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object StartDynamicParameters(CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| return StartDynamicParameters(); | |
| } | |
| /// <summary> | |
| /// Called when the provider is being removed. It sets the context | |
| /// of the call and then calls the derived providers Stop method. | |
| /// </summary> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| internal void Stop(CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| Stop(); | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.StopProcessing" /> | |
| protected internal virtual void StopProcessing() | |
| { | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the GetProperty protected method. This method will | |
| /// only be called if the provider implements the IPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item to retrieve properties from. | |
| /// </param> | |
| /// <param name="providerSpecificPickList"> | |
| /// A list of properties that should be retrieved. If this parameter is null | |
| /// or empty, all properties should be retrieved. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| internal void GetProperty( | |
| string path, | |
| Collection<string> providerSpecificPickList, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.GetProperty(path, providerSpecificPickList); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the get-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="providerSpecificPickList"> | |
| /// A list of properties that should be retrieved. If this parameter is null | |
| /// or empty, all properties should be retrieved. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object GetPropertyDynamicParameters( | |
| string path, | |
| Collection<string> providerSpecificPickList, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.GetPropertyDynamicParameters(path, providerSpecificPickList); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the SetProperty protected method. This method will | |
| /// only be called if the provider implements the IPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item to set the properties on. | |
| /// </param> | |
| /// <param name="propertyValue"> | |
| /// A PSObject which contains a collection of the name, type, value | |
| /// of the properties to be set. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| internal void SetProperty( | |
| string path, | |
| PSObject propertyValue, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.SetProperty(path, propertyValue); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the set-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="propertyValue"> | |
| /// A PSObject which contains a collection of the name, type, value | |
| /// of the properties to be set. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object SetPropertyDynamicParameters( | |
| string path, | |
| PSObject propertyValue, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.SetPropertyDynamicParameters(path, propertyValue); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the ClearProperty protected method. This method will | |
| /// only be called if the provider implements the IPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item from which the property should be cleared. | |
| /// </param> | |
| /// <param name="propertyName"> | |
| /// The name of the property that should be cleared. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <remarks> | |
| /// Implement this method when you are providing access to a data store | |
| /// that allows dynamic clearing of properties. | |
| /// </remarks> | |
| internal void ClearProperty( | |
| string path, | |
| Collection<string> propertyName, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.ClearProperty(path, propertyName); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the clear-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="providerSpecificPickList"> | |
| /// A list of properties that should be cleared. If this parameter is null | |
| /// or empty, all properties should be cleared. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object ClearPropertyDynamicParameters( | |
| string path, | |
| Collection<string> providerSpecificPickList, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.ClearPropertyDynamicParameters(path, providerSpecificPickList); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the NewProperty protected method. This method will | |
| /// only be called if the provider implements the IDynamicPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item on which the new property should be created. | |
| /// </param> | |
| /// <param name="propertyName"> | |
| /// The name of the property that should be created. | |
| /// </param> | |
| /// <param name="propertyTypeName"> | |
| /// The type of the property that should be created. | |
| /// </param> | |
| /// <param name="value"> | |
| /// The new value of the property that should be created. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <remarks> | |
| /// Implement this method when you are providing access to a data store | |
| /// that allows dynamic creation of properties. | |
| /// </remarks> | |
| internal void NewProperty( | |
| string path, | |
| string propertyName, | |
| string propertyTypeName, | |
| object value, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IDynamicPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.NewProperty(path, propertyName, propertyTypeName, value); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the new-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="propertyName"> | |
| /// The name of the property that should be created. | |
| /// </param> | |
| /// <param name="propertyTypeName"> | |
| /// The type of the property that should be created. | |
| /// </param> | |
| /// <param name="value"> | |
| /// The new value of the property that should be created. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object NewPropertyDynamicParameters( | |
| string path, | |
| string propertyName, | |
| string propertyTypeName, | |
| object value, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.NewPropertyDynamicParameters(path, propertyName, propertyTypeName, value); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the RemoveProperty protected method. This method will | |
| /// only be called if the provider implements the IDynamicPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item on which the property should be removed. | |
| /// </param> | |
| /// <param name="propertyName"> | |
| /// The name of the property to be removed | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <remarks> | |
| /// Implement this method when you are providing access to a data store | |
| /// that allows dynamic removal of properties. | |
| /// </remarks> | |
| internal void RemoveProperty( | |
| string path, | |
| string propertyName, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IDynamicPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.RemoveProperty(path, propertyName); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the remove-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="propertyName"> | |
| /// The name of the property that should be removed. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object RemovePropertyDynamicParameters( | |
| string path, | |
| string propertyName, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.RemovePropertyDynamicParameters(path, propertyName); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the RenameProperty protected method. This method will | |
| /// only be called if the provider implements the IDynamicPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item on which the property should be renamed. | |
| /// </param> | |
| /// <param name="propertyName"> | |
| /// The name of the property that should be renamed. | |
| /// </param> | |
| /// <param name="newPropertyName"> | |
| /// The new name for the property. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <remarks> | |
| /// Implement this method when you are providing access to a data store | |
| /// that allows dynamic renaming of properties. | |
| /// </remarks> | |
| internal void RenameProperty( | |
| string path, | |
| string propertyName, | |
| string newPropertyName, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IDynamicPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.RenameProperty(path, propertyName, newPropertyName); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the rename-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="sourceProperty"> | |
| /// The name of the property that should be renamed. | |
| /// </param> | |
| /// <param name="destinationProperty"> | |
| /// The name of the property to rename it to. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object RenamePropertyDynamicParameters( | |
| string path, | |
| string sourceProperty, | |
| string destinationProperty, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.RenamePropertyDynamicParameters(path, sourceProperty, destinationProperty); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the CopyProperty protected method. This method will | |
| /// only be called if the provider implements the IDynamicPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="sourcePath"> | |
| /// The path to the item from which the property should be copied. | |
| /// </param> | |
| /// <param name="sourceProperty"> | |
| /// The name of the property that should be copied. | |
| /// </param> | |
| /// <param name="destinationPath"> | |
| /// The path to the item to which the property should be copied. | |
| /// </param> | |
| /// <param name="destinationProperty"> | |
| /// The name of the property that should be copied to. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <remarks> | |
| /// Implement this method when you are providing access to a data store | |
| /// that allows dynamic copying of properties. | |
| /// </remarks> | |
| internal void CopyProperty( | |
| string sourcePath, | |
| string sourceProperty, | |
| string destinationPath, | |
| string destinationProperty, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IDynamicPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.CopyProperty(sourcePath, sourceProperty, destinationPath, destinationProperty); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the copy-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="sourceProperty"> | |
| /// The name of the property that should be copied. | |
| /// </param> | |
| /// <param name="destinationPath"> | |
| /// The path to the item to which the property should be copied. | |
| /// </param> | |
| /// <param name="destinationProperty"> | |
| /// The name of the property that should be copied to. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object CopyPropertyDynamicParameters( | |
| string path, | |
| string sourceProperty, | |
| string destinationPath, | |
| string destinationProperty, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.CopyPropertyDynamicParameters(path, sourceProperty, destinationPath, destinationProperty); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the MoveProperty protected method. This method will | |
| /// only be called if the provider implements the IDynamicPropertyCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="sourcePath"> | |
| /// The path to the item from which the property should be moved. | |
| /// </param> | |
| /// <param name="sourceProperty"> | |
| /// The name of the property that should be moved. | |
| /// </param> | |
| /// <param name="destinationPath"> | |
| /// The path to the item to which the property should be moved. | |
| /// </param> | |
| /// <param name="destinationProperty"> | |
| /// The name of the property that should be moved to. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <remarks> | |
| /// Implement this method when you are providing access to a data store | |
| /// that allows dynamic moving of properties. | |
| /// </remarks> | |
| internal void MoveProperty( | |
| string sourcePath, | |
| string sourceProperty, | |
| string destinationPath, | |
| string destinationProperty, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IDynamicPropertyCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| propertyProvider.MoveProperty(sourcePath, sourceProperty, destinationPath, destinationProperty); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the move-itemproperty cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="sourceProperty"> | |
| /// The name of the property that should be copied. | |
| /// </param> | |
| /// <param name="destinationPath"> | |
| /// The path to the item to which the property should be copied. | |
| /// </param> | |
| /// <param name="destinationProperty"> | |
| /// The name of the property that should be copied to. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object MovePropertyDynamicParameters( | |
| string path, | |
| string sourceProperty, | |
| string destinationPath, | |
| string destinationProperty, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IDynamicPropertyCmdletProvider propertyProvider) | |
| { | |
| return null; | |
| } | |
| return propertyProvider.MovePropertyDynamicParameters(path, sourceProperty, destinationPath, destinationProperty); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the GetContentReader protected method. This method will | |
| /// only be called if the provider implements the IContentCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item to retrieve content from. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An instance of the IContentReader for the specified path. | |
| /// </returns> | |
| internal IContentReader GetContentReader( | |
| string path, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IContentCmdletProvider contentProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IContentCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| return contentProvider.GetContentReader(path); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the get-content cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object GetContentReaderDynamicParameters( | |
| string path, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IContentCmdletProvider contentProvider) | |
| { | |
| return null; | |
| } | |
| return contentProvider.GetContentReaderDynamicParameters(path); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the GetContentWriter protected method. This method will | |
| /// only be called if the provider implements the IContentCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item to set content on. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An instance of the IContentWriter for the specified path. | |
| /// </returns> | |
| internal IContentWriter GetContentWriter( | |
| string path, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IContentCmdletProvider contentProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IContentCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| return contentProvider.GetContentWriter(path); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the add-content and set-content cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object GetContentWriterDynamicParameters( | |
| string path, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IContentCmdletProvider contentProvider) | |
| { | |
| return null; | |
| } | |
| return contentProvider.GetContentWriterDynamicParameters(path); | |
| } | |
| /// <summary> | |
| /// Internal wrapper for the ClearContent protected method. This method will | |
| /// only be called if the provider implements the IContentCmdletProvider interface. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// The path to the item to clear the content from. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| internal void ClearContent( | |
| string path, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IContentCmdletProvider contentProvider) | |
| { | |
| throw | |
| PSTraceSource.NewNotSupportedException( | |
| SessionStateStrings.IContentCmdletProvider_NotSupported); | |
| } | |
| // Call interface method | |
| contentProvider.ClearContent(path); | |
| } | |
| /// <summary> | |
| /// Gives the provider a chance to attach additional parameters to | |
| /// the clear-content cmdlet. | |
| /// </summary> | |
| /// <param name="path"> | |
| /// If the path was specified on the command line, this is the path | |
| /// to the item to get the dynamic parameters for. | |
| /// </param> | |
| /// <param name="cmdletProviderContext"> | |
| /// The context under which this method is being called. | |
| /// </param> | |
| /// <returns> | |
| /// An object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class. | |
| /// </returns> | |
| internal object ClearContentDynamicParameters( | |
| string path, | |
| CmdletProviderContext cmdletProviderContext) | |
| { | |
| Context = cmdletProviderContext; | |
| if (this is not IContentCmdletProvider contentProvider) | |
| { | |
| return null; | |
| } | |
| return contentProvider.ClearContentDynamicParameters(path); | |
| } | |
| /// <summary> | |
| /// Gives the provider the opportunity to initialize itself. | |
| /// </summary> | |
| /// <param name="providerInfo"> | |
| /// The information about the provider that is being started. | |
| /// </param> | |
| /// <remarks> | |
| /// The default implementation returns the ProviderInfo instance that | |
| /// was passed. | |
| /// | |
| /// To have session state maintain persisted data on behalf of the provider, | |
| /// the provider should derive from <see cref="System.Management.Automation.ProviderInfo"/> | |
| /// and add any properties or | |
| /// methods for the data it wishes to persist. When Start gets called the | |
| /// provider should construct an instance of its derived ProviderInfo using the | |
| /// providerInfo that is passed in and return that new instance. | |
| /// </remarks> | |
| protected virtual ProviderInfo Start(ProviderInfo providerInfo) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| return providerInfo; | |
| } | |
| } | |
| /// <summary> | |
| /// Gets an object that defines the additional parameters for the Start implementation | |
| /// for a provider. | |
| /// </summary> | |
| /// <returns> | |
| /// Overrides of this method should return an object that has properties and fields decorated with | |
| /// parsing attributes similar to a cmdlet class or a | |
| /// <see cref="System.Management.Automation.RuntimeDefinedParameterDictionary"/>. | |
| /// | |
| /// The default implementation returns null. (no additional parameters) | |
| /// </returns> | |
| protected virtual object StartDynamicParameters() | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| return null; | |
| } | |
| } | |
| /// <summary> | |
| /// Called by session state when the provider is being removed. | |
| /// </summary> | |
| /// <remarks> | |
| /// A provider should override this method to free up any resources that the provider | |
| /// was using. | |
| /// | |
| /// The default implementation does nothing. | |
| /// </remarks> | |
| protected virtual void Stop() | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| } | |
| } | |
| /// <summary> | |
| /// Indicates whether stop has been requested on this provider. | |
| /// </summary> | |
| public bool Stopping | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Stopping; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the instance of session state for the current runspace. | |
| /// </summary> | |
| public SessionState SessionState | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return new SessionState(Context.ExecutionContext.EngineSessionState); | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the instance of the provider interface APIs for the current runspace. | |
| /// </summary> | |
| public ProviderIntrinsics InvokeProvider | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return new ProviderIntrinsics(Context.ExecutionContext.EngineSessionState); | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the instance of the command invocation APIs for the current runspace. | |
| /// </summary> | |
| public CommandInvocationIntrinsics InvokeCommand | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return new CommandInvocationIntrinsics(Context.ExecutionContext); | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the credentials under which the operation should run. | |
| /// </summary> | |
| public PSCredential Credential | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Credential; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// The information about the provider that is stored in the runspace | |
| /// on behalf of the provider. | |
| /// </summary> | |
| /// <remarks> | |
| /// If a derived type of ProviderInfo was returned from the Start method, it | |
| /// will be set here in all subsequent calls to the provider. | |
| /// </remarks> | |
| protected internal ProviderInfo ProviderInfo | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| return _providerInformation; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// The drive information associated with the context of the current operation. | |
| /// </summary> | |
| protected PSDriveInfo PSDriveInfo | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Drive; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// The dynamic parameters object populated with the values as specified | |
| /// by the user. | |
| /// </summary> | |
| protected object DynamicParameters | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.DynamicParameters; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the force property. | |
| /// </summary> | |
| /// <remarks> | |
| /// Gives the provider guidance on how vigorous it should be about performing | |
| /// the operation. If true, the provider should do everything possible to perform | |
| /// the operation. If false, the provider should attempt the operation but allow | |
| /// even simple errors to terminate the operation. | |
| /// For example, if the user tries to copy a file to a path that already exists and | |
| /// the destination is read-only, if force is true, the provider should copy over | |
| /// the existing read-only file. If force is false, the provider should write an error. | |
| /// </remarks> | |
| public SwitchParameter Force | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Force; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the provider specific filter that was supplied by the caller. | |
| /// </summary> | |
| public string Filter | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Filter; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the include wildcard patterns which is used to determine which items | |
| /// will be included when taking an action. | |
| /// </summary> | |
| public Collection<string> Include | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Include; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the exclude wildcard patterns which is used to determine which items | |
| /// will be excluded when taking an action. | |
| /// </summary> | |
| public Collection<string> Exclude | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.Exclude; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the host interaction APIs. | |
| /// </summary> | |
| public PSHost Host | |
| { | |
| get | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ExecutionContext.EngineHostInterface; | |
| } | |
| } | |
| } | |
| /// <summary> | |
| /// Gets the default item separator character for this provider. | |
| /// </summary> | |
| public virtual char ItemSeparator => Path.DirectorySeparatorChar; | |
| /// <summary> | |
| /// Gets the alternate item separator character for this provider. | |
| /// </summary> | |
| public virtual char AltItemSeparator => | |
| '\\'; | |
| Path.AltDirectorySeparatorChar; | |
| /// <summary> | |
| /// Gets the resource string corresponding to baseName and | |
| /// resourceId from the current assembly. You should override | |
| /// this if you require a different behavior. | |
| /// </summary> | |
| /// <param name="baseName"> | |
| /// the base resource name | |
| /// </param> | |
| /// <param name="resourceId"> | |
| /// the resource id | |
| /// </param> | |
| /// <returns> | |
| /// the resource string corresponding to baseName and resourceId | |
| /// </returns> | |
| /// <remarks> | |
| /// When overriding this method, the resource string for the specified | |
| /// resource should be retrieved from a localized resource assembly. | |
| /// </remarks> | |
| public virtual string GetResourceString(string baseName, string resourceId) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| if (string.IsNullOrEmpty(baseName)) | |
| { | |
| throw PSTraceSource.NewArgumentException(nameof(baseName)); | |
| } | |
| if (string.IsNullOrEmpty(resourceId)) | |
| { | |
| throw PSTraceSource.NewArgumentException(nameof(resourceId)); | |
| } | |
| ResourceManager manager = | |
| ResourceManagerCache.GetResourceManager( | |
| this.GetType().Assembly, | |
| baseName); | |
| string retValue = null; | |
| try | |
| { | |
| retValue = manager.GetString(resourceId, | |
| System.Globalization.CultureInfo.CurrentUICulture); | |
| } | |
| catch (MissingManifestResourceException) | |
| { | |
| throw PSTraceSource.NewArgumentException(nameof(baseName), GetErrorText.ResourceBaseNameFailure, baseName); | |
| } | |
| if (retValue == null) | |
| { | |
| throw PSTraceSource.NewArgumentException(nameof(resourceId), GetErrorText.ResourceIdFailure, resourceId); | |
| } | |
| return retValue; | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ThrowTerminatingError" /> | |
| [] | |
| public void ThrowTerminatingError(ErrorRecord errorRecord) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| if (errorRecord == null) | |
| { | |
| throw PSTraceSource.NewArgumentNullException(nameof(errorRecord)); | |
| } | |
| if (errorRecord.ErrorDetails != null | |
| && errorRecord.ErrorDetails.TextLookupError != null) | |
| { | |
| Exception textLookupError = errorRecord.ErrorDetails.TextLookupError; | |
| errorRecord.ErrorDetails.TextLookupError = null; | |
| MshLog.LogProviderHealthEvent( | |
| this.Context.ExecutionContext, | |
| ProviderInfo.Name, | |
| textLookupError, | |
| Severity.Warning); | |
| } | |
| // We can't play the same game as Cmdlet.ThrowTerminatingError | |
| // and save the exception in the "pipeline". We need to pass | |
| // the actual exception as a thrown exception. So, we wrap | |
| // it in ProviderInvocationException. | |
| ProviderInvocationException providerInvocationException = | |
| new ProviderInvocationException(ProviderInfo, errorRecord); | |
| // Log a provider health event | |
| MshLog.LogProviderHealthEvent( | |
| this.Context.ExecutionContext, | |
| ProviderInfo.Name, | |
| providerInvocationException, | |
| Severity.Warning); | |
| throw providerInvocationException; | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ShouldProcess" /> | |
| public bool ShouldProcess( | |
| string target) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ShouldProcess(target); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ShouldProcess" /> | |
| public bool ShouldProcess( | |
| string target, | |
| string action) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ShouldProcess(target, action); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ShouldProcess" /> | |
| public bool ShouldProcess( | |
| string verboseDescription, | |
| string verboseWarning, | |
| string caption) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ShouldProcess( | |
| verboseDescription, | |
| verboseWarning, | |
| caption); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ShouldProcess" /> | |
| public bool ShouldProcess( | |
| string verboseDescription, | |
| string verboseWarning, | |
| string caption, | |
| out ShouldProcessReason shouldProcessReason) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ShouldProcess( | |
| verboseDescription, | |
| verboseWarning, | |
| caption, | |
| out shouldProcessReason); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ShouldContinue" /> | |
| public bool ShouldContinue( | |
| string query, | |
| string caption) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ShouldContinue(query, caption); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.ShouldContinue" /> | |
| public bool ShouldContinue( | |
| string query, | |
| string caption, | |
| ref bool yesToAll, | |
| ref bool noToAll) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| return Context.ShouldContinue( | |
| query, caption, ref yesToAll, ref noToAll); | |
| } | |
| } | |
| /// <summary> | |
| /// Returns true if a transaction is available and active. | |
| /// </summary> | |
| public bool TransactionAvailable() | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| if (Context == null) | |
| return false; | |
| else | |
| return Context.TransactionAvailable(); | |
| } | |
| } | |
| /// <summary> | |
| /// Gets an object that surfaces the current PowerShell transaction. | |
| /// When this object is disposed, PowerShell resets the active transaction. | |
| /// </summary> | |
| public PSTransactionContext CurrentPSTransaction | |
| { | |
| get | |
| { | |
| if (Context == null) | |
| return null; | |
| else | |
| return Context.CurrentPSTransaction; | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteVerbose" /> | |
| public void WriteVerbose(string text) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteVerbose(text); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteWarning" /> | |
| public void WriteWarning(string text) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteWarning(text); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteProgress" /> | |
| public void WriteProgress(ProgressRecord progressRecord) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| if (progressRecord == null) | |
| { | |
| throw PSTraceSource.NewArgumentNullException(nameof(progressRecord)); | |
| } | |
| Context.WriteProgress(progressRecord); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteDebug" /> | |
| public void WriteDebug(string text) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteDebug(text); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteInformation" /> | |
| public void WriteInformation(InformationRecord record) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteInformation(record); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteInformation" /> | |
| public void WriteInformation(object messageData, string[] tags) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteInformation(messageData, tags); | |
| } | |
| } | |
| /// <summary> | |
| /// Converts the incoming object to a PSObject and then adds extra | |
| /// data as notes. Then it writes the shell object to the context. | |
| /// </summary> | |
| /// <param name="item"> | |
| /// The item being written out. | |
| /// </param> | |
| /// <param name="path"> | |
| /// The path of the item being written out. | |
| /// </param> | |
| /// <param name="isContainer"> | |
| /// True if the item is a container, false otherwise. | |
| /// </param> | |
| private void WriteObject( | |
| object item, | |
| string path, | |
| bool isContainer) | |
| { | |
| PSObject result = WrapOutputInPSObject(item, path); | |
| // Now add the IsContainer | |
| result.AddOrSetProperty("PSIsContainer", isContainer ? Boxed.True : Boxed.False); | |
| providerBaseTracer.WriteLine("Attaching {0} = {1}", "PSIsContainer", isContainer); | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteObject(result); | |
| } | |
| /// <summary> | |
| /// Converts the incoming object to a PSObject and then adds extra | |
| /// data as notes. Then it writes the shell object to the context. | |
| /// </summary> | |
| /// <param name="item"> | |
| /// The item being written out. | |
| /// </param> | |
| /// <param name="path"> | |
| /// The path of the item being written out. | |
| /// </param> | |
| private void WriteObject( | |
| object item, | |
| string path) | |
| { | |
| PSObject result = WrapOutputInPSObject(item, path); | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| Context.WriteObject(result); | |
| } | |
| /// <summary> | |
| /// Wraps the item in a PSObject and attaches some notes to the | |
| /// object that deal with path information. | |
| /// </summary> | |
| /// <param name="item"> | |
| /// The item to be wrapped. | |
| /// </param> | |
| /// <param name="path"> | |
| /// The path to the item. | |
| /// </param> | |
| /// <returns> | |
| /// A PSObject that wraps the item and has path information attached | |
| /// as notes. | |
| /// </returns> | |
| /// <exception cref="ArgumentNullException"> | |
| /// if <paramref name="item"/> is null. | |
| /// </exception> | |
| private PSObject WrapOutputInPSObject( | |
| object item, | |
| string path) | |
| { | |
| if (item == null) | |
| { | |
| throw PSTraceSource.NewArgumentNullException(nameof(item)); | |
| } | |
| PSObject result = new PSObject(item); | |
| Diagnostics.Assert( | |
| ProviderInfo != null, | |
| "The ProviderInfo should always be set"); | |
| // Move the TypeNames to the wrapping object if the wrapped object | |
| // was an PSObject | |
| PSObject mshObj = item as PSObject; | |
| if (mshObj != null) | |
| { | |
| result.InternalTypeNames = new ConsolidatedString(mshObj.InternalTypeNames); | |
| } | |
| // Construct a provider qualified path as the Path note | |
| string providerQualifiedPath = | |
| LocationGlobber.GetProviderQualifiedPath(path, ProviderInfo); | |
| result.AddOrSetProperty("PSPath", providerQualifiedPath); | |
| providerBaseTracer.WriteLine("Attaching {0} = {1}", "PSPath", providerQualifiedPath); | |
| // Now get the parent path and child name | |
| NavigationCmdletProvider navProvider = this as NavigationCmdletProvider; | |
| if (navProvider != null && path != null) | |
| { | |
| // Get the parent path | |
| string parentPath = null; | |
| if (PSDriveInfo != null) | |
| { | |
| parentPath = navProvider.GetParentPath(path, PSDriveInfo.Root, Context); | |
| } | |
| else | |
| { | |
| parentPath = navProvider.GetParentPath(path, string.Empty, Context); | |
| } | |
| string providerQualifiedParentPath = string.Empty; | |
| if (!string.IsNullOrEmpty(parentPath)) | |
| { | |
| providerQualifiedParentPath = | |
| LocationGlobber.GetProviderQualifiedPath(parentPath, ProviderInfo); | |
| } | |
| result.AddOrSetProperty("PSParentPath", providerQualifiedParentPath); | |
| providerBaseTracer.WriteLine("Attaching {0} = {1}", "PSParentPath", providerQualifiedParentPath); | |
| // Get the child name | |
| string childName = navProvider.GetChildName(path, Context); | |
| result.AddOrSetProperty("PSChildName", childName); | |
| providerBaseTracer.WriteLine("Attaching {0} = {1}", "PSChildName", childName); | |
| // Add a commonstat structure to file system objects | |
| if (ProviderInfo.ImplementingType == typeof(Microsoft.PowerShell.Commands.FileSystemProvider)) | |
| { | |
| try | |
| { | |
| // Use LStat because if you get a link, you want the information about the | |
| // link, not the file. | |
| var commonStat = Platform.Unix.GetLStat(path); | |
| result.AddOrSetProperty("UnixStat", commonStat); | |
| } | |
| catch | |
| { | |
| // If there is *any* problem in retrieving the stat information | |
| // set the property to null. There is no specific exception which | |
| // would result in different behavior. | |
| result.AddOrSetProperty("UnixStat", value: null); | |
| } | |
| } | |
| } | |
| // PSDriveInfo | |
| if (PSDriveInfo != null) | |
| { | |
| result.AddOrSetProperty(this.PSDriveInfo.GetNotePropertyForProviderCmdlets("PSDrive")); | |
| providerBaseTracer.WriteLine("Attaching {0} = {1}", "PSDrive", this.PSDriveInfo); | |
| } | |
| // ProviderInfo | |
| result.AddOrSetProperty(this.ProviderInfo.GetNotePropertyForProviderCmdlets("PSProvider")); | |
| providerBaseTracer.WriteLine("Attaching {0} = {1}", "PSProvider", this.ProviderInfo); | |
| return result; | |
| } | |
| /// <summary> | |
| /// Writes an item to the output as a PSObject with extra data attached | |
| /// as notes. | |
| /// </summary> | |
| /// <param name="item"> | |
| /// The item to be written. | |
| /// </param> | |
| /// <param name="path"> | |
| /// The path of the item being written. | |
| /// </param> | |
| /// <param name="isContainer"> | |
| /// True if the item is a container, false otherwise. | |
| /// </param> | |
| /// <!-- | |
| /// If streaming is on and the writeObjectHandler was specified then the object | |
| /// gets written to the writeObjectHandler. If streaming is on and the writeObjectHandler | |
| /// was not specified and the command object was specified, the object gets written to | |
| /// the WriteObject method of the command object. | |
| /// If streaming is off the object gets written to an accumulator collection. The collection | |
| /// of written object can be retrieved using the AccumulatedObjects method. | |
| /// --> | |
| public void WriteItemObject( | |
| object item, | |
| string path, | |
| bool isContainer) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| WriteObject(item, path, isContainer); | |
| } | |
| } | |
| /// <summary> | |
| /// Writes a property object to the output as a PSObject with extra data attached | |
| /// as notes. | |
| /// </summary> | |
| /// <param name="propertyValue"> | |
| /// The properties to be written. | |
| /// </param> | |
| /// <param name="path"> | |
| /// The path of the item being written. | |
| /// </param> | |
| /// <!-- | |
| /// If streaming is on and the writeObjectHandler was specified then the object | |
| /// gets written to the writeObjectHandler. If streaming is on and the writeObjectHandler | |
| /// was not specified and the command object was specified, the object gets written to | |
| /// the WriteObject method of the command object. | |
| /// If streaming is off the object gets written to an accumulator collection. The collection | |
| /// of written object can be retrieved using the AccumulatedObjects method. | |
| /// --> | |
| public void WritePropertyObject( | |
| object propertyValue, | |
| string path) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| WriteObject(propertyValue, path); | |
| } | |
| } | |
| /// <summary> | |
| /// Writes a Security Descriptor object to the output as a PSObject with extra data attached | |
| /// as notes. | |
| /// </summary> | |
| /// <param name="securityDescriptor"> | |
| /// The Security Descriptor to be written. | |
| /// </param> | |
| /// <param name="path"> | |
| /// The path of the item from which the Security Descriptor was retrieved. | |
| /// </param> | |
| /// <!-- | |
| /// If streaming is on and the writeObjectHandler was specified then the object | |
| /// gets written to the writeObjectHandler. If streaming is on and the writeObjectHandler | |
| /// was not specified and the command object was specified, the object gets written to | |
| /// the WriteObject method of the command object. | |
| /// If streaming is off the object gets written to an accumulator collection. The collection | |
| /// of written object can be retrieved using the AccumulatedObjects method. | |
| /// --> | |
| public void WriteSecurityDescriptorObject( | |
| ObjectSecurity securityDescriptor, | |
| string path) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| WriteObject(securityDescriptor, path); | |
| } | |
| } | |
| /// <Content contentref="System.Management.Automation.Cmdlet.WriteError" /> | |
| public void WriteError(ErrorRecord errorRecord) | |
| { | |
| using (PSTransactionManager.GetEngineProtectionScope()) | |
| { | |
| Diagnostics.Assert( | |
| Context != null, | |
| "The context should always be set"); | |
| if (errorRecord == null) | |
| { | |
| throw PSTraceSource.NewArgumentNullException(nameof(errorRecord)); | |
| } | |
| if (errorRecord.ErrorDetails != null | |
| && errorRecord.ErrorDetails.TextLookupError != null) | |
| { | |
| MshLog.LogProviderHealthEvent( | |
| this.Context.ExecutionContext, | |
| ProviderInfo.Name, | |
| errorRecord.ErrorDetails.TextLookupError, | |
| Severity.Warning); | |
| } | |
| Context.WriteError(errorRecord); | |
| } | |
| } | |
| } | |
| } | |