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// Licensed under the MIT License.
using System;
using System.Management.Automation;
using Microsoft.Management.Infrastructure;
using Dbg = System.Management.Automation.Diagnostics;
namespace Microsoft.PowerShell.Cmdletization.Cim
{
internal sealed class CimCmdletInvocationContext
{
internal CimCmdletInvocationContext(
CimCmdletDefinitionContext cmdletDefinitionContext,
Cmdlet cmdlet,
string namespaceOverride)
{
this.CmdletDefinitionContext = cmdletDefinitionContext;
this.NamespaceOverride = namespaceOverride;
// Cmdlet might have a shorter lifespan than CimCmdletInvocationContext
// - we need to extract information out of Cmdlet to extend information's lifespan
this.CmdletInvocationInfo = cmdlet.MyInvocation;
var runtime = cmdlet.CommandRuntime as MshCommandRuntime;
Dbg.Assert(runtime != null, "CIM cmdlets should only be run from within PS runtime");
this.DebugActionPreference = runtime.DebugPreference;
WarnAboutUnsupportedActionPreferences(
cmdlet,
this.DebugActionPreference,
"Debug",
inquireMessageGetter: () => CmdletizationResources.CimCmdletAdapter_DebugInquire,
stopMessageGetter: () => string.Empty);
this.WarningActionPreference = runtime.WarningPreference;
WarnAboutUnsupportedActionPreferences(
cmdlet,
this.WarningActionPreference,
"WarningAction",
inquireMessageGetter: () => CmdletizationResources.CimCmdletAdapter_WarningInquire,
stopMessageGetter: () => CmdletizationResources.CimCmdletAdapter_WarningStop);
this.VerboseActionPreference = runtime.VerbosePreference;
this.ErrorActionPreference = runtime.ErrorAction;
this.ShouldProcessOptimization = runtime.CalculatePossibleShouldProcessOptimization();
}
private static void WarnAboutUnsupportedActionPreferences(
Cmdlet cmdlet,
ActionPreference effectiveActionPreference,
string nameOfCommandLineParameter,
Func<string> inquireMessageGetter,
Func<string> stopMessageGetter)
{
string message;
switch (effectiveActionPreference)
{
case ActionPreference.Stop:
message = stopMessageGetter();
break;
case ActionPreference.Inquire:
message = inquireMessageGetter();
break;
default:
return; // we can handle everything that is not Stop or Inquire
}
bool actionPreferenceComesFromCommandLineParameter = cmdlet.MyInvocation.BoundParameters.ContainsKey(nameOfCommandLineParameter);
if (actionPreferenceComesFromCommandLineParameter)
{
Exception exception = new ArgumentException(message);
ErrorRecord errorRecord = new(exception, "ActionPreferenceNotSupportedByCimCmdletAdapter", ErrorCategory.NotImplemented, null);
cmdlet.ThrowTerminatingError(errorRecord);
}
}
public CimCmdletDefinitionContext CmdletDefinitionContext { get; }
public InvocationInfo CmdletInvocationInfo { get; }
public MshCommandRuntime.ShouldProcessPossibleOptimization ShouldProcessOptimization { get; }
public ActionPreference ErrorActionPreference { get; }
public ActionPreference WarningActionPreference { get; }
public ActionPreference VerboseActionPreference { get; }
public ActionPreference DebugActionPreference { get; }
public string NamespaceOverride { get; }
public bool IsRunningInBackground
{
get
{
return this.CmdletInvocationInfo.BoundParameters.ContainsKey("AsJob");
}
}
public bool ShowComputerName
{
get
{
return this.CmdletInvocationInfo.BoundParameters.ContainsKey("CimSession");
}
}
private readonly Lazy<CimSession> _defaultCimSession = new(CreateDefaultCimSession);
private static CimSession CreateDefaultCimSession()
{
return CimSession.Create(null);
}
public CimSession GetDefaultCimSession()
{
return _defaultCimSession.Value;
}
}
}
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