init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/X509/X509NameTokenizer.cs

@@ -0,0 +1,84 @@
+using System.Text;
+
+namespace Org.BouncyCastle.Asn1.X509;
+
+public class X509NameTokenizer
+{
+	private string value;
+
+	private int index;
+
+	private char separator;
+
+	private StringBuilder buffer = new StringBuilder();
+
+	public X509NameTokenizer(string oid)
+		: this(oid, ',')
+	{
+	}
+
+	public X509NameTokenizer(string oid, char separator)
+	{
+		value = oid;
+		index = -1;
+		this.separator = separator;
+	}
+
+	public bool HasMoreTokens()
+	{
+		return index != value.Length;
+	}
+
+	public string NextToken()
+	{
+		if (index == value.Length)
+		{
+			return null;
+		}
+		int i = index + 1;
+		bool flag = false;
+		bool flag2 = false;
+		buffer.Remove(0, buffer.Length);
+		for (; i != value.Length; i++)
+		{
+			char c = value[i];
+			if (c == '"')
+			{
+				if (!flag2)
+				{
+					flag = !flag;
+					continue;
+				}
+				buffer.Append(c);
+				flag2 = false;
+			}
+			else if (flag2 || flag)
+			{
+				if (c == '#' && buffer[buffer.Length - 1] == '=')
+				{
+					buffer.Append('\\');
+				}
+				else if (c == '+' && separator != '+')
+				{
+					buffer.Append('\\');
+				}
+				buffer.Append(c);
+				flag2 = false;
+			}
+			else if (c == '\\')
+			{
+				flag2 = true;
+			}
+			else
+			{
+				if (c == separator)
+				{
+					break;
+				}
+				buffer.Append(c);
+			}
+		}
+		index = i;
+		return buffer.ToString().Trim();
+	}
+}