internal static void AddArgumentsToCommandProcessor(CommandProcessorBase commandProcessor, object[] arguments)
{
if (arguments != null)
{
for (int i = 0; i < arguments.Length; i++)
{
CommandParameterInternal internal2;
string arg = arguments[i] as string;
if (ArgumentLooksLikeParameter(arg))
{
int index = arg.IndexOf(':');
if ((index != -1) && (index != (arg.Length - 1)))
{
internal2 = CommandParameterInternal.CreateParameterWithArgument(PositionUtilities.EmptyExtent, arg.Substring(1, index - 1), arg, PositionUtilities.EmptyExtent, arg.Substring(index + 1).Trim(), false);
}
else if ((i == (arguments.Length - 1)) || (arg[arg.Length - 1] != ':'))
{
internal2 = CommandParameterInternal.CreateParameter(PositionUtilities.EmptyExtent, arg.Substring(1), arg);
}
else
{
internal2 = CommandParameterInternal.CreateParameterWithArgument(PositionUtilities.EmptyExtent, arg.Substring(1, arg.Length - 2), arg, PositionUtilities.EmptyExtent, arguments[i + 1], false);
i++;
}
}
else
{
internal2 = CommandParameterInternal.CreateArgument(PositionUtilities.EmptyExtent, arguments[i], false);
}
commandProcessor.AddParameter(internal2);
}
}
}
internal static SteppablePipeline GetSteppablePipeline(PipelineAst pipelineAst, CommandOrigin commandOrigin)
{
PipelineProcessor pipe = new PipelineProcessor();
System.Management.Automation.ExecutionContext executionContextFromTLS = LocalPipeline.GetExecutionContextFromTLS();
foreach (CommandAst ast in pipelineAst.PipelineElements.Cast <CommandAst>())
{
List <CommandParameterInternal> list = new List <CommandParameterInternal>();
foreach (CommandElementAst ast2 in ast.CommandElements)
{
CommandParameterAst commandParameterAst = ast2 as CommandParameterAst;
if (commandParameterAst != null)
{
list.Add(GetCommandParameter(commandParameterAst, executionContextFromTLS));
}
else
{
ExpressionAst expressionAst = (ExpressionAst)ast2;
object obj2 = Compiler.GetExpressionValue(expressionAst, executionContextFromTLS, (IList)null);
bool splatted = (expressionAst is VariableExpressionAst) && ((VariableExpressionAst)expressionAst).Splatted;
list.Add(CommandParameterInternal.CreateArgument(expressionAst.Extent, obj2, splatted));
}
}
List <CommandRedirection> list2 = new List <CommandRedirection>();
foreach (RedirectionAst ast5 in ast.Redirections)
{
list2.Add(GetCommandRedirection(ast5, executionContextFromTLS));
}
CommandProcessorBase base2 = AddCommand(pipe, list.ToArray(), ast, list2.ToArray(), executionContextFromTLS);
base2.Command.CommandOriginInternal = commandOrigin;
base2.CommandScope.ScopeOrigin = commandOrigin;
base2.Command.MyInvocation.CommandOrigin = commandOrigin;
CallStackFrame[] frameArray = executionContextFromTLS.Debugger.GetCallStack().ToArray <CallStackFrame>();
if ((frameArray.Length > 0) && Regex.IsMatch(frameArray[0].Position.Text, "GetSteppablePipeline", RegexOptions.IgnoreCase))
{
InvocationInfo myInvocation = base2.Command.MyInvocation;
myInvocation.InvocationName = frameArray[0].InvocationInfo.InvocationName;
if (frameArray.Length > 1)
{
IScriptExtent position = frameArray[1].Position;
if ((position != null) && (position != PositionUtilities.EmptyExtent))
{
myInvocation.DisplayScriptPosition = position;
}
}
}
if ((executionContextFromTLS.CurrentCommandProcessor != null) && (executionContextFromTLS.CurrentCommandProcessor.CommandRuntime != null))
{
base2.CommandRuntime.SetMergeFromRuntime(executionContextFromTLS.CurrentCommandProcessor.CommandRuntime);
}
}
return(new SteppablePipeline(executionContextFromTLS, pipe));
}
private static CommandParameterInternal SplatEnumerableElement(object splattedArgument, IScriptExtent splatExtent)
{
PSObject obj2 = splattedArgument as PSObject;
if (obj2 != null)
{
PSPropertyInfo info = obj2.Properties["<CommandParameterName>"];
object baseObject = obj2.BaseObject;
if (((info != null) && (info.Value is string)) && (baseObject is string))
{
return(CommandParameterInternal.CreateParameter(splatExtent, (string)info.Value, (string)baseObject));
}
}
return(CommandParameterInternal.CreateArgument(splatExtent, splattedArgument, false));
}
/// <summary>
/// Binds the specified parameters to the native command
/// </summary>
/// <param name="parameters">
/// The parameters to bind.
/// </param>
/// <param name="outputRedirected">
/// true if minishell output is redirected.
/// </param>
/// <param name="hostName">
/// name of the calling host.
/// </param>
/// <remarks>
/// For any parameters that do not have a name, they are added to the command
/// line arguments for the command
/// </remarks>
internal Collection <CommandParameterInternal> BindParameters(Collection <CommandParameterInternal> parameters, bool outputRedirected, string hostName)
{
MinishellParameters seen = 0;
string inputFormat = null;
string outputFormat = null;
for (int i = 0; i < parameters.Count; i++)
{
var parameter = parameters[i];
if (parameter.ParameterNameSpecified)
{
var parameterName = parameter.ParameterName;
if (CommandParameter.StartsWith(parameterName, StringComparison.OrdinalIgnoreCase))
{
HandleSeenParameter(ref seen, MinishellParameters.Command, CommandParameter);
// Value must be specified for -Command parameter.
if (i + 1 >= parameters.Count)
{
throw NewParameterBindingException(null, ErrorCategory.InvalidArgument, CommandParameter,
typeof(ScriptBlock), null,
NativeCP.NoValueForCommandParameter,
"NoValueForCommandParameter");
}
i += 1;
// Value of -Command parameter must be scriptblock
var scriptBlockArgument = parameters[i];
var argumentValue = PSObject.Base(scriptBlockArgument.ArgumentValue);
if (!scriptBlockArgument.ArgumentSpecified || !(argumentValue is ScriptBlock))
{
throw NewParameterBindingException(null, ErrorCategory.InvalidArgument, CommandParameter,
typeof(ScriptBlock), argumentValue.GetType(),
NativeCP.IncorrectValueForCommandParameter,
"IncorrectValueForCommandParameter");
}
// Replace the parameters with -EncodedCommand <base64 encoded scriptblock>
parameters[i - 1] = CommandParameterInternal.CreateParameter(EncodedCommandParameter, "-" + EncodedCommandParameter, parameter.ParameterAst);
string encodedScript = StringToBase64Converter.StringToBase64String(argumentValue.ToString());
parameters[i] = CommandParameterInternal.CreateArgument(encodedScript, scriptBlockArgument.ArgumentAst);
}
else if (InputFormatParameter.StartsWith(parameterName, StringComparison.OrdinalIgnoreCase))
{
HandleSeenParameter(ref seen, MinishellParameters.InputFormat, InputFormatParameter);
// Value for -Inputformat must be specified
if (i + 1 >= parameters.Count)
{
throw NewParameterBindingException(null, ErrorCategory.InvalidArgument, InputFormatParameter,
typeof(string), null,
NativeCP.NoValueForInputFormatParameter,
"NoValueForInputFormatParameter");
}
// Update the argument (partial arguments are allowed)
i += 1;
var inputFormatArg = parameters[i];
inputFormat = ProcessFormatParameterValue(InputFormatParameter, inputFormatArg.ArgumentValue);
parameters[i - 1] = CommandParameterInternal.CreateParameter(InputFormatParameter, "-" + InputFormatParameter, parameter.ParameterAst);
parameters[i] = CommandParameterInternal.CreateArgument(inputFormat, inputFormatArg.ArgumentAst);
}
else if (OutputFormatParameter.StartsWith(parameterName, StringComparison.OrdinalIgnoreCase))
{
HandleSeenParameter(ref seen, MinishellParameters.OutputFormat, OutputFormatParameter);
// Value for -Inputformat must be specified
if (i + 1 >= parameters.Count)
{
throw NewParameterBindingException(null, ErrorCategory.InvalidArgument, OutputFormatParameter,
typeof(string), null,
NativeCP.NoValueForOutputFormatParameter,
"NoValueForInputFormatParameter");
}
// Update the argument (partial arguments are allowed)
i += 1;
var outputFormatArg = parameters[i];
outputFormat = ProcessFormatParameterValue(OutputFormatParameter, outputFormatArg.ArgumentValue);
parameters[i - 1] = CommandParameterInternal.CreateParameter(OutputFormatParameter, "-" + OutputFormatParameter, parameter.ParameterAst);
parameters[i] = CommandParameterInternal.CreateArgument(outputFormat, outputFormatArg.ArgumentAst);
}
else if (ArgsParameter.StartsWith(parameterName, StringComparison.OrdinalIgnoreCase))
{
HandleSeenParameter(ref seen, MinishellParameters.Arguments, ArgsParameter);
// Value for -Args parameter must be specified
if (i + 1 >= parameters.Count)
{
throw NewParameterBindingException(null, ErrorCategory.InvalidArgument, ArgsParameter,
typeof(string), null, NativeCP.NoValuesSpecifiedForArgs,
"NoValuesSpecifiedForArgs");
}
// Get the encoded value for -args parameter
i += 1;
var argsArg = parameters[i];
var encodedArgs = ConvertArgsValueToEncodedString(argsArg.ArgumentValue);
parameters[i - 1] = CommandParameterInternal.CreateParameter(EncodedArgsParameter, "-" + EncodedArgsParameter, parameter.ParameterAst);
// NOTE: do not pass the ArgumentAst; it will fail validation in BindParameters if there
// are multiple arguments (array) but encodedArgs is an encoded string.
parameters[i] = CommandParameterInternal.CreateArgument(encodedArgs);
}
}
else
{
// -Command is positional parameter. Bind first scriptblock to it, others are errors.
var scriptBlockArgument = parameters[i];
var argumentValue = PSObject.Base(scriptBlockArgument.ArgumentValue);
if (argumentValue is ScriptBlock)
{
HandleSeenParameter(ref seen, MinishellParameters.Command, CommandParameter);
// Replace the argument with -EncodedCommand <base64 encoded scriptblock>
string encodedScript = StringToBase64Converter.StringToBase64String(argumentValue.ToString());
parameters[i] = CommandParameterInternal.CreateParameterWithArgument(
parameter.ArgumentAst, EncodedCommandParameter, "-" + EncodedCommandParameter,
parameter.ArgumentAst, encodedScript,
spaceAfterParameter: true);
}
}
}
// Add InputFormat and OutputFormat parameter if not specified
if (inputFormat == null)
{
// For minishell default input format is xml
parameters.Add(CommandParameterInternal.CreateParameter(InputFormatParameter, "-" + InputFormatParameter));
parameters.Add(CommandParameterInternal.CreateArgument(XmlFormatValue));
inputFormat = XmlFormatValue;
}
if (outputFormat == null)
{
// If output is redirected, output format should be xml
outputFormat = outputRedirected ? XmlFormatValue : TextFormatValue;
parameters.Add(CommandParameterInternal.CreateParameter(OutputFormatParameter, "-" + OutputFormatParameter));
parameters.Add(CommandParameterInternal.CreateArgument(outputFormat));
}
// Set the output and input format class variable
InputFormat = XmlFormatValue.StartsWith(inputFormat, StringComparison.OrdinalIgnoreCase)
? NativeCommandIOFormat.Xml
: NativeCommandIOFormat.Text;
OutputFormat = XmlFormatValue.StartsWith(outputFormat, StringComparison.OrdinalIgnoreCase)
? NativeCommandIOFormat.Xml
: NativeCommandIOFormat.Text;
// Note if a minishell is invoked from a non-console host, we need to
// pass -nonInteractive flag. Our console host's name is "ConsoleHost".
// Correct check would be see if current host has access to console and
// pass noninteractive flag if doesn't.
if (string.IsNullOrEmpty(hostName) || !hostName.Equals("ConsoleHost", StringComparison.OrdinalIgnoreCase))
{
NonInteractive = true;
parameters.Insert(0, CommandParameterInternal.CreateParameter(NonInteractiveParameter, "-" + NonInteractiveParameter));
}
((NativeCommandParameterBinder)DefaultParameterBinder).BindParameters(parameters);
Diagnostics.Assert(s_emptyReturnCollection.Count == 0, "This list shouldn't be used for anything as it's shared.");
return(s_emptyReturnCollection);
} // BindParameters
