private static string punycode_encode(string unicode)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
StringBuilder stringBuilder = new StringBuilder(unicode.Length);
int num1 = 0;
int num2 = 0;
int startIndex = 0;
while (num1 < unicode.Length)
{
num1 = unicode.IndexOfAny(IdnMapping.M_Dots, num2);
if (num1 < 0)
{
num1 = unicode.Length;
}
if (num1 == num2)
{
if (num1 != unicode.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
break;
}
stringBuilder.Append("xn--");
bool flag = false;
switch (CharUnicodeInfo.GetBidiCategory(unicode, num2))
{
case BidiCategory.RightToLeft:
case BidiCategory.RightToLeftArabic:
flag = true;
int index1 = num1 - 1;
if (char.IsLowSurrogate(unicode, index1))
{
--index1;
}
switch (CharUnicodeInfo.GetBidiCategory(unicode, index1))
{
case BidiCategory.RightToLeft:
case BidiCategory.RightToLeftArabic:
break;
default:
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
}
int num3 = 0;
for (int index2 = num2; index2 < num1; ++index2)
{
BidiCategory bidiCategory = CharUnicodeInfo.GetBidiCategory(unicode, index2);
if (flag && bidiCategory == BidiCategory.LeftToRight)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (!flag && (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (IdnMapping.basic((uint)unicode[index2]))
{
stringBuilder.Append(IdnMapping.encode_basic(unicode[index2]));
++num3;
}
else if (char.IsSurrogatePair(unicode, index2))
{
++index2;
}
}
int num4 = num3;
if (num4 == num1 - num2)
{
stringBuilder.Remove(startIndex, "xn--".Length);
}
else
{
if (unicode.Length - num2 >= "xn--".Length && unicode.Substring(num2, "xn--".Length).Equals("xn--", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "unicode");
}
int num5 = 0;
if (num4 > 0)
{
stringBuilder.Append('-');
}
int num6 = 128;
int num7 = 0;
int num8 = 72;
while (num3 < num1 - num2)
{
int cTest = 134217727;
int index2 = num2;
while (index2 < num1)
{
int utf32 = char.ConvertToUtf32(unicode, index2);
if (utf32 >= num6 && utf32 < cTest)
{
cTest = utf32;
}
index2 += IdnMapping.IsSupplementary(utf32) ? 2 : 1;
}
int delta = num7 + (cTest - num6) * (num3 - num5 + 1);
int num9 = cTest;
int index3 = num2;
while (index3 < num1)
{
int utf32 = char.ConvertToUtf32(unicode, index3);
if (utf32 < num9)
{
++delta;
}
if (utf32 == num9)
{
int d = delta;
int num10 = 36;
while (true)
{
int num11 = num10 <= num8 ? 1 : (num10 >= num8 + 26 ? 26 : num10 - num8);
if (d >= num11)
{
stringBuilder.Append(IdnMapping.encode_digit(num11 + (d - num11) % (36 - num11)));
d = (d - num11) / (36 - num11);
num10 += 36;
}
else
{
break;
}
}
stringBuilder.Append(IdnMapping.encode_digit(d));
num8 = IdnMapping.adapt(delta, num3 - num5 + 1, num3 == num4);
delta = 0;
++num3;
if (IdnMapping.IsSupplementary(cTest))
{
++num3;
++num5;
}
}
index3 += IdnMapping.IsSupplementary(utf32) ? 2 : 1;
}
num7 = delta + 1;
num6 = num9 + 1;
}
}
if (stringBuilder.Length - startIndex > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (num1 != unicode.Length)
{
stringBuilder.Append('.');
}
num2 = num1 + 1;
startIndex = stringBuilder.Length;
}
int length = stringBuilder.Length;
int num12 = (int)byte.MaxValue;
string str1 = unicode;
int index4 = str1.Length - 1;
int num13 = IdnMapping.IsDot(str1[index4]) ? 0 : 1;
int num14 = num12 - num13;
if (length > num14)
{
string key = "Argument_IdnBadNameSize";
object[] objArray = new object[1];
int index1 = 0;
int num3 = (int)byte.MaxValue;
string str2 = unicode;
int index2 = str2.Length - 1;
int num4 = IdnMapping.IsDot(str2[index2]) ? 0 : 1;
// ISSUE: variable of a boxed type
__Boxed <int> local = (ValueType)(num3 - num4);
objArray[index1] = (object)local;
throw new ArgumentException(Environment.GetResourceString(key, objArray), "unicode");
}
return(stringBuilder.ToString());
}
// Token: 0x06002FE2 RID: 12258 RVA: 0x000B7924 File Offset: 0x000B5B24
private static string punycode_encode(string unicode)
{
if (unicode.Length == 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
StringBuilder stringBuilder = new StringBuilder(unicode.Length);
int i = 0;
int num = 0;
int num2 = 0;
while (i < unicode.Length)
{
i = unicode.IndexOfAny(IdnMapping.M_Dots, num);
if (i < 0)
{
i = unicode.Length;
}
if (i == num)
{
if (i != unicode.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
break;
}
else
{
stringBuilder.Append("xn--");
bool flag = false;
BidiCategory bidiCategory = CharUnicodeInfo.GetBidiCategory(unicode, num);
if (bidiCategory == BidiCategory.RightToLeft || bidiCategory == BidiCategory.RightToLeftArabic)
{
flag = true;
int num3 = i - 1;
if (char.IsLowSurrogate(unicode, num3))
{
num3--;
}
bidiCategory = CharUnicodeInfo.GetBidiCategory(unicode, num3);
if (bidiCategory != BidiCategory.RightToLeft && bidiCategory != BidiCategory.RightToLeftArabic)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
}
int j = 0;
for (int k = num; k < i; k++)
{
BidiCategory bidiCategory2 = CharUnicodeInfo.GetBidiCategory(unicode, k);
if (flag && bidiCategory2 == BidiCategory.LeftToRight)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (!flag && (bidiCategory2 == BidiCategory.RightToLeft || bidiCategory2 == BidiCategory.RightToLeftArabic))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadBidi"), "unicode");
}
if (IdnMapping.basic((uint)unicode[k]))
{
stringBuilder.Append(IdnMapping.encode_basic(unicode[k]));
j++;
}
else if (char.IsSurrogatePair(unicode, k))
{
k++;
}
}
int num4 = j;
if (num4 == i - num)
{
stringBuilder.Remove(num2, "xn--".Length);
}
else
{
if (unicode.Length - num >= "xn--".Length && unicode.Substring(num, "xn--".Length).Equals("xn--", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadPunycode"), "unicode");
}
int num5 = 0;
if (num4 > 0)
{
stringBuilder.Append('-');
}
int num6 = 128;
int num7 = 0;
int num8 = 72;
while (j < i - num)
{
int num9 = 134217727;
int num10;
for (int l = num; l < i; l += (IdnMapping.IsSupplementary(num10) ? 2 : 1))
{
num10 = char.ConvertToUtf32(unicode, l);
if (num10 >= num6 && num10 < num9)
{
num9 = num10;
}
}
num7 += (num9 - num6) * (j - num5 + 1);
num6 = num9;
for (int l = num; l < i; l += (IdnMapping.IsSupplementary(num10) ? 2 : 1))
{
num10 = char.ConvertToUtf32(unicode, l);
if (num10 < num6)
{
num7++;
}
if (num10 == num6)
{
int num11 = num7;
int num12 = 36;
for (;;)
{
int num13 = (num12 <= num8) ? 1 : ((num12 >= num8 + 26) ? 26 : (num12 - num8));
if (num11 < num13)
{
break;
}
stringBuilder.Append(IdnMapping.encode_digit(num13 + (num11 - num13) % (36 - num13)));
num11 = (num11 - num13) / (36 - num13);
num12 += 36;
}
stringBuilder.Append(IdnMapping.encode_digit(num11));
num8 = IdnMapping.adapt(num7, j - num5 + 1, j == num4);
num7 = 0;
j++;
if (IdnMapping.IsSupplementary(num9))
{
j++;
num5++;
}
}
}
num7++;
num6++;
}
}
if (stringBuilder.Length - num2 > 63)
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadLabelSize"), "unicode");
}
if (i != unicode.Length)
{
stringBuilder.Append('.');
}
num = i + 1;
num2 = stringBuilder.Length;
}
}
if (stringBuilder.Length > 255 - (IdnMapping.IsDot(unicode[unicode.Length - 1]) ? 0 : 1))
{
throw new ArgumentException(Environment.GetResourceString("Argument_IdnBadNameSize", new object[]
{
255 - (IdnMapping.IsDot(unicode[unicode.Length - 1]) ? 0 : 1)
}), "unicode");
}
return(stringBuilder.ToString());
}