public static bool TryParseGuid(string g, out Guid guid)
{
int a = 0;
short b = 0;
short c = 0;
byte d = 0;
byte e = 0;
byte f = 0;
byte g2 = 0;
byte h = 0;
byte i = 0;
byte j = 0;
byte k = 0;
try
{
if (string.IsNullOrEmpty(g))
{
return(false);
}
int num = 0;
int num2 = 0;
if (char.IsWhiteSpace(g[0]) || char.IsWhiteSpace(g[g.Length - 1]))
{
g = g.Trim();
}
if (g.IndexOf('-', 0) >= 0)
{
if (g[0] == '{')
{
if (g.Length != 38 || g[37] != '}')
{
return(false);
}
num = 1;
}
else if (g[0] == '(')
{
if (g.Length != 38 || g[37] != ')')
{
return(false);
}
num = 1;
}
else if (g.Length != 36)
{
return(false);
}
if (g[8 + num] != '-' || g[13 + num] != '-' || g[18 + num] != '-' || g[23 + num] != '-')
{
return(false);
}
num2 = num;
a = GuidHelper.StringToInt(g, 16, ref num2, 8);
num2++;
b = (short)GuidHelper.StringToInt(g, 16, ref num2, 4);
num2++;
c = (short)GuidHelper.StringToInt(g, 16, ref num2, 4);
num2++;
int num3 = GuidHelper.StringToInt(g, 16, ref num2, 4);
num2++;
long num4 = GuidHelper.StringToLong(g, 16, ref num2, 12);
d = (byte)(num3 >> 8);
e = (byte)num3;
num3 = (int)(num4 >> 32);
f = (byte)(num3 >> 8);
g2 = (byte)num3;
num3 = (int)num4;
h = (byte)(num3 >> 24);
i = (byte)(num3 >> 16);
j = (byte)(num3 >> 8);
k = (byte)num3;
}
else if (g.IndexOf('{', 0) >= 0)
{
g = GuidHelper.EatAllWhitespace(g);
if (g[0] != '{')
{
return(false);
}
if (!GuidHelper.IsHexPrefix(g, 1))
{
return(false);
}
int num5 = 3;
int num6 = g.IndexOf(',', num5) - num5;
if (num6 <= 0)
{
return(false);
}
a = Convert.ToInt32(g.Substring(num5, num6), 16);
if (!GuidHelper.IsHexPrefix(g, num5 + num6 + 1))
{
return(false);
}
num5 = num5 + num6 + 3;
num6 = g.IndexOf(',', num5) - num5;
if (num6 <= 0)
{
return(false);
}
b = (short)Convert.ToInt32(g.Substring(num5, num6), 16);
if (!GuidHelper.IsHexPrefix(g, num5 + num6 + 1))
{
return(false);
}
num5 = num5 + num6 + 3;
num6 = g.IndexOf(',', num5) - num5;
if (num6 <= 0)
{
return(false);
}
c = (short)Convert.ToInt32(g.Substring(num5, num6), 16);
if (g.Length <= num5 + num6 + 1 || g[num5 + num6 + 1] != '{')
{
return(false);
}
num6++;
byte[] array = new byte[8];
for (int l = 0; l < 8; l++)
{
if (!GuidHelper.IsHexPrefix(g, num5 + num6 + 1))
{
return(false);
}
num5 = num5 + num6 + 3;
if (l < 7)
{
num6 = g.IndexOf(',', num5) - num5;
if (num6 <= 0)
{
return(false);
}
}
else
{
num6 = g.IndexOf('}', num5) - num5;
if (num6 <= 0)
{
return(false);
}
}
uint num7 = (uint)Convert.ToInt32(g.Substring(num5, num6), 16);
if (num7 > 255U)
{
return(false);
}
array[l] = (byte)num7;
}
d = array[0];
e = array[1];
f = array[2];
g2 = array[3];
h = array[4];
i = array[5];
j = array[6];
k = array[7];
if (num5 + num6 + 1 >= g.Length || g[num5 + num6 + 1] != '}')
{
return(false);
}
if (num5 + num6 + 1 != g.Length - 1)
{
return(false);
}
}
else
{
if (g.Length != 32)
{
return(false);
}
foreach (char c2 in g)
{
if (c2 < '0' || c2 > '9')
{
char c3 = char.ToUpperInvariant(c2);
if (c3 < 'A' || c3 > 'F')
{
return(false);
}
}
}
a = Convert.ToInt32(g.Substring(num, 8), 16);
num += 8;
b = (short)Convert.ToInt32(g.Substring(num, 4), 16);
num += 4;
c = (short)Convert.ToInt32(g.Substring(num, 4), 16);
num += 4;
int num3 = (int)((short)Convert.ToInt32(g.Substring(num, 4), 16));
num += 4;
num2 = num;
long num4 = GuidHelper.StringToLong(g, 16, ref num2, 12);
d = (byte)(num3 >> 8);
e = (byte)num3;
num3 = (int)(num4 >> 32);
f = (byte)(num3 >> 8);
g2 = (byte)num3;
num3 = (int)num4;
h = (byte)(num3 >> 24);
i = (byte)(num3 >> 16);
j = (byte)(num3 >> 8);
k = (byte)num3;
}
return(true);
}
catch (ArgumentException)
{
}
catch (FormatException)
{
}
catch (OverflowException)
{
}
catch (IndexOutOfRangeException)
{
}
finally
{
guid = new Guid(a, b, c, d, e, f, g2, h, i, j, k);
}
return(false);
}