private static object SplitOperatorImpl(System.Management.Automation.ExecutionContext context, IScriptExtent errorPosition, object lval, object rval, SplitImplOptions implOptions, bool ignoreCase)
{
IEnumerable <string> content = enumerateContent(context, errorPosition, implOptions, lval);
ScriptBlock predicate = null;
string separatorPattern = null;
int limit = 0;
SplitOptions options = 0;
object[] objArray = unfoldTuple(context, errorPosition, rval);
if (objArray.Length < 1)
{
throw InterpreterError.NewInterpreterException(rval, typeof(RuntimeException), errorPosition, "BadOperatorArgument", ParserStrings.BadOperatorArgument, new object[] { "-split", rval });
}
object obj1 = objArray[0];
predicate = objArray[0] as ScriptBlock;
if (predicate == null)
{
separatorPattern = PSObject.ToStringParser(context, objArray[0]);
}
if (objArray.Length >= 2)
{
limit = FixNum(objArray[1], errorPosition);
}
if ((objArray.Length >= 3) && (objArray[2] != null))
{
string str2 = objArray[2] as string;
if ((str2 == null) || !string.IsNullOrEmpty(str2))
{
options = ConvertTo <SplitOptions>(objArray[2], errorPosition);
if (predicate != null)
{
throw InterpreterError.NewInterpreterException(null, typeof(ParseException), errorPosition, "InvalidSplitOptionWithPredicate", ParserStrings.InvalidSplitOptionWithPredicate, new object[0]);
}
if (ignoreCase && ((options & SplitOptions.IgnoreCase) == 0))
{
options |= SplitOptions.IgnoreCase;
}
}
}
else if (ignoreCase)
{
options |= SplitOptions.IgnoreCase;
}
if (predicate != null)
{
return(SplitWithPredicate(context, errorPosition, content, predicate, limit));
}
return(SplitWithPattern(context, errorPosition, content, separatorPattern, limit, options));
}
private static IEnumerable <string> enumerateContent(System.Management.Automation.ExecutionContext context, IScriptExtent errorPosition, SplitImplOptions implOptions, object tuple)
{
IEnumerator enumerator = LanguagePrimitives.GetEnumerator(tuple);
if (enumerator == null)
{
enumerator = new object[] { tuple }.GetEnumerator();
}
while (true)
{
if (!MoveNext(context, errorPosition, enumerator))
{
yield break;
}
string iteratorVariable1 = PSObject.ToStringParser(context, enumerator.Current);
if ((implOptions & SplitImplOptions.TrimContent) != SplitImplOptions.None)
{
iteratorVariable1 = iteratorVariable1.Trim();
}
yield return(iteratorVariable1);
}
}
