public static bool IsParameterPresent(string command, string parameterName)
{
if (string.IsNullOrWhiteSpace(parameterName))
{
throw new ArgumentException("Invalid parameterName passed");
}
Token[] array = null;
ParseError[] array2 = null;
Parser.ParseInput(command, out array, out array2);
return(array != null && array.Any((Token token) => CmdletValidator.IsTokenParameter(parameterName, token)));
}
private static void AddParameter(string parameterName, List <Token> parameterTokens, CommandParameterCollection parameters)
{
if (string.IsNullOrWhiteSpace(parameterName))
{
return;
}
if (parameterTokens == null || parameterTokens.Count == 0)
{
parameters.Add(new CommandParameter(parameterName));
return;
}
int i = 0;
object obj = null;
i = CmdletValidator.GetParameterValue(parameterTokens, i, out obj);
if (obj != null && i >= parameterTokens.Count)
{
parameters.Add(new CommandParameter(parameterName, obj));
return;
}
List <object> list = new List <object>();
if (obj != null)
{
list.Add(obj);
}
while (i < parameterTokens.Count)
{
i = CmdletValidator.GetParameterValue(parameterTokens, i, out obj);
if (obj != null)
{
list.Add(obj);
}
}
parameters.Add(new CommandParameter(parameterName, list.ToArray()));
}
public ScriptParseResult ParseCmdletScript(string cmdlet)
{
ScriptParseResult scriptParseResult = new ScriptParseResult();
Token[] array = null;
ParseError[] array2 = null;
Parser.ParseInput(cmdlet, out array, out array2);
if (array2 != null && array2.Count <ParseError>() > 0)
{
TaskLogger.Log(Strings.CmdletValidatorParseErrors(string.Join(", ", from error in array2
select error.Message)));
return(scriptParseResult);
}
int num = 0;
if (array == null || array[0].TokenFlags != TokenFlags.CommandName)
{
TaskLogger.Log(Strings.CmdletValidatorParseErrors("No valid command specified"));
return(scriptParseResult);
}
if (array.Any((Token token) => (token.TokenFlags & TokenFlags.SpecialOperator) != TokenFlags.None || (token.TokenFlags & TokenFlags.TypeName) != TokenFlags.None))
{
TaskLogger.Log(Strings.CmdletValidatorParseErrors("Special Operator and types not supported"));
return(scriptParseResult);
}
scriptParseResult.Command = array[num].Text;
if (!this.AllowedCommands.Contains(scriptParseResult.Command))
{
TaskLogger.Log(Strings.CmdletValidatorParseErrors(string.Format("Command {0} not allowed", scriptParseResult.Command)));
return(scriptParseResult);
}
List <Token> list = null;
string text = null;
int num2 = array.Count <Token>();
try
{
while (++num < num2 && array[num].Kind != TokenKind.EndOfInput)
{
if (array[num].Kind == TokenKind.Parameter)
{
CmdletValidator.AddParameter(text, list, scriptParseResult.Parameters);
text = array[num].Text;
list = null;
}
else
{
if (string.IsNullOrWhiteSpace(text))
{
TaskLogger.Log(Strings.CmdletValidatorParseErrors(string.Format("Invalid token {0} of kind {1}, {2} encountered without a parameter", array[num].Text, array[num].Kind, array[num].TokenFlags)));
return(scriptParseResult);
}
if (list == null)
{
list = new List <Token>();
}
list.Add(array[num]);
}
}
CmdletValidator.AddParameter(text, list, scriptParseResult.Parameters);
scriptParseResult.IsSuccessful = this.Validate(scriptParseResult.Command, scriptParseResult.Parameters);
}
catch (InvalidOperationException ex)
{
TaskLogger.Log(Strings.CmdletValidatorParseErrors(ex.ToString()));
}
return(scriptParseResult);
}
private static int GetParameterValue(List <Token> parameterValueTokens, int tokenIndex, out object parameterValue)
{
int count = parameterValueTokens.Count;
parameterValue = null;
if (tokenIndex >= count)
{
return(tokenIndex);
}
Token token = parameterValueTokens[tokenIndex];
TokenKind kind = token.Kind;
if (kind <= TokenKind.Number)
{
if (kind != TokenKind.Variable)
{
if (kind == TokenKind.Number)
{
parameterValue = ((NumberToken)token).Value;
goto IL_23B;
}
}
else
{
bool flag;
if (bool.TryParse(((VariableToken)token).Name, out flag))
{
parameterValue = flag;
goto IL_23B;
}
parameterValue = token.Text;
goto IL_23B;
}
}
else
{
switch (kind)
{
case TokenKind.StringLiteral:
parameterValue = ((StringToken)token).Value;
goto IL_23B;
case TokenKind.StringExpandable:
parameterValue = ((StringExpandableToken)token).Value;
goto IL_23B;
default:
switch (kind)
{
case TokenKind.LBracket:
case TokenKind.RBracket:
case TokenKind.Comma:
parameterValue = null;
goto IL_23B;
case TokenKind.AtParen:
{
List <object> list = new List <object>();
tokenIndex++;
while (tokenIndex < count && parameterValueTokens[tokenIndex].Kind != TokenKind.RParen)
{
if (parameterValueTokens[tokenIndex].Kind == TokenKind.Comma)
{
tokenIndex++;
}
else
{
object obj = null;
tokenIndex = CmdletValidator.GetParameterValue(parameterValueTokens, tokenIndex, out obj);
if (obj != null)
{
list.Add(obj);
}
}
}
parameterValue = list.ToArray();
goto IL_23B;
}
case TokenKind.AtCurly:
{
Dictionary <object, object> dictionary = new Dictionary <object, object>();
tokenIndex++;
while (tokenIndex < count && parameterValueTokens[tokenIndex].Kind != TokenKind.RCurly)
{
if (parameterValueTokens[tokenIndex].Kind == TokenKind.Semi)
{
tokenIndex++;
}
else
{
object obj2 = null;
tokenIndex = CmdletValidator.GetParameterValue(parameterValueTokens, tokenIndex, out obj2);
if (tokenIndex >= count || parameterValueTokens[tokenIndex].Kind != TokenKind.Equals)
{
throw new InvalidOperationException(string.Format("Cmdlet parsing failed at index {0}. Expected Equals. Actual {1}", tokenIndex, parameterValueTokens[tokenIndex].Text));
}
if (++tokenIndex >= count)
{
throw new InvalidOperationException(string.Format("Cmdlet parsing failed. No value for key {0}", obj2));
}
object value = null;
tokenIndex = CmdletValidator.GetParameterValue(parameterValueTokens, tokenIndex, out value);
dictionary.Add(obj2, value);
}
}
parameterValue = dictionary;
goto IL_23B;
}
case TokenKind.Semi:
case TokenKind.Pipe:
throw new InvalidOperationException(string.Format("Cmdlet parsing failed at index {0}. Encountered unexpected {1}", tokenIndex, token.Kind));
}
break;
}
}
parameterValue = token.Text;
IL_23B:
return(++tokenIndex);
}