internal static bool TryGetPSReadLineProxy(
ILogger logger,
Runspace runspace,
out PSReadLineProxy readLineProxy)
{
readLineProxy = null;
using (var pwsh = PowerShell.Create())
{
pwsh.Runspace = runspace;
var psReadLineType = pwsh
.AddScript(ReadLineInitScript)
.Invoke <Type>()
.FirstOrDefault();
if (psReadLineType == null)
{
return(false);
}
try
{
readLineProxy = new PSReadLineProxy(psReadLineType, logger);
}
catch (InvalidOperationException)
{
// The Type we got back from PowerShell doesn't have the members we expected.
// Could be an older version, a custom build, or something a newer version with
// breaking changes.
return(false);
}
}
return(true);
}
internal static bool TryGetPSReadLineProxy(
ILogger logger,
Runspace runspace,
string bundledModulePath,
out PSReadLineProxy readLineProxy)
{
readLineProxy = null;
logger.LogTrace("Attempting to load PSReadLine");
using (var pwsh = PowerShell.Create())
{
pwsh.Runspace = runspace;
pwsh.AddCommand("Microsoft.PowerShell.Core\\Import-Module")
.AddParameter("Name", Path.Combine(bundledModulePath, "PSReadLine"))
.Invoke();
if (pwsh.HadErrors)
{
logger.LogWarning("PSConsoleReadline type not found: {Reason}", pwsh.Streams.Error[0].ToString());
return(false);
}
var psReadLineType = Type.GetType("Microsoft.PowerShell.PSConsoleReadLine, Microsoft.PowerShell.PSReadLine2");
if (psReadLineType == null)
{
// NOTE: For some reason `Type.GetType(...)` can fail to find the type,
// and in that case, this search through the `AppDomain` for some reason will succeed.
// It's slower, but only happens when needed.
logger.LogTrace("PSConsoleReadline type not found using Type.GetType(), searching all loaded assemblies...");
psReadLineType = AppDomain.CurrentDomain
.GetAssemblies()
.FirstOrDefault(asm => asm.GetName().Name.Equals("Microsoft.PowerShell.PSReadLine2"))
?.ExportedTypes
?.FirstOrDefault(type => type.FullName.Equals("Microsoft.PowerShell.PSConsoleReadLine"));
if (psReadLineType == null)
{
logger.LogWarning("PSConsoleReadLine type not found anywhere!");
return(false);
}
}
try
{
readLineProxy = new PSReadLineProxy(psReadLineType, logger);
}
catch (InvalidOperationException e)
{
// The Type we got back from PowerShell doesn't have the members we expected.
// Could be an older version, a custom build, or something a newer version with
// breaking changes.
logger.LogWarning("PSReadLineProxy unable to be initialized: {Reason}", e);
return(false);
}
}
return(true);
}
internal PSReadLinePromptContext(
PowerShellContextService powerShellContext,
PromptNest promptNest,
InvocationEventQueue invocationEventQueue,
PSReadLineProxy readLineProxy)
{
_promptNest = promptNest;
_powerShellContext = powerShellContext;
_invocationEventQueue = invocationEventQueue;
_consoleReadLine = new ConsoleReadLine(powerShellContext);
_readLineProxy = readLineProxy;
_readLineProxy.OverrideReadKey(
intercept => ConsoleProxy.SafeReadKey(
intercept,
_readLineCancellationSource.Token));
}
internal static bool TryGetPSReadLineProxy(
ILogger logger,
Runspace runspace,
out PSReadLineProxy readLineProxy)
{
readLineProxy = null;
logger.LogTrace("Attempting to load PSReadLine");
using (var pwsh = PowerShell.Create())
{
pwsh.Runspace = runspace;
var psReadLineType = pwsh
.AddScript(ReadLineInitScript, useLocalScope: true)
.Invoke <Type>()
.FirstOrDefault();
if (psReadLineType == null)
{
logger.LogWarning("PSReadLine unable to be loaded: {Reason}", pwsh.HadErrors ? pwsh.Streams.Error[0].ToString() : "<Unknown reason>");
return(false);
}
try
{
readLineProxy = new PSReadLineProxy(psReadLineType, logger);
}
catch (InvalidOperationException e)
{
// The Type we got back from PowerShell doesn't have the members we expected.
// Could be an older version, a custom build, or something a newer version with
// breaking changes.
logger.LogWarning("PSReadLine unable to be loaded: {Reason}", e);
return(false);
}
}
return(true);
}
