private string GetAsciiUsingOS(string unicode)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
string str = unicode;
int index = str.Length - 1;
if ((int)str[index] == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequence", (object)(unicode.Length - 1)), "unicode");
}
int num = (this.AllowUnassigned ? 1 : 0) | (this.UseStd3AsciiRules ? 2 : 0);
string lpUnicodeCharStr1 = unicode;
int length1 = lpUnicodeCharStr1.Length;
// ISSUE: variable of the null type
__Null local = null;
int cchASCIIChar1 = 0;
int ascii1 = IdnMapping.IdnToAscii((uint)num, lpUnicodeCharStr1, length1, (char[])local, cchASCIIChar1);
if (ascii1 == 0)
{
if (Marshal.GetLastWin32Error() == 123)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnIllegalName"), "unicode");
}
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequenceNoIndex"), "unicode");
}
char[] chArray = new char[ascii1];
string lpUnicodeCharStr2 = unicode;
int length2 = lpUnicodeCharStr2.Length;
char[] lpASCIICharStr = chArray;
int cchASCIIChar2 = ascii1;
int ascii2 = IdnMapping.IdnToAscii((uint)num, lpUnicodeCharStr2, length2, lpASCIICharStr, cchASCIIChar2);
if (ascii2 != 0)
{
return(new string(chArray, 0, ascii2));
}
if (Marshal.GetLastWin32Error() == 123)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnIllegalName"), "unicode");
}
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequenceNoIndex"), "unicode");
}
private string GetAsciiUsingOS(string unicode)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (unicode[unicode.Length - 1] == '\0')
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequence", new object[]
{
unicode.Length - 1
}), "unicode");
}
uint dwFlags = (this.AllowUnassigned ? 1U : 0U) | (this.UseStd3AsciiRules ? 2U : 0U);
int num = IdnMapping.IdnToAscii(dwFlags, unicode, unicode.Length, null, 0);
if (num == 0)
{
int lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error == 123)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnIllegalName"), "unicode");
}
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequenceNoIndex"), "unicode");
}
else
{
char[] array = new char[num];
num = IdnMapping.IdnToAscii(dwFlags, unicode, unicode.Length, array, num);
if (num != 0)
{
return(new string(array, 0, num));
}
int lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error == 123)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnIllegalName"), "unicode");
}
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidCharSequenceNoIndex"), "unicode");
}
}