1 files changed, 99 insertions, 0 deletions
diff --git a/EssentialsUpdate/src/f00f/net/irc/martyr/util/CtcpUtil.java b/EssentialsUpdate/src/f00f/net/irc/martyr/util/CtcpUtil.java
new file mode 100644
index 000000000..ed31c46e7
--- /dev/null
+++ b/EssentialsUpdate/src/f00f/net/irc/martyr/util/CtcpUtil.java
@@ -0,0 +1,99 @@
+package f00f.net.irc.martyr.util;
+
+import java.util.NoSuchElementException;
+
+public class CtcpUtil
+{
+	public static final char CTCP_TAG_DELIM = '\001';
+	
+	/**
+	 * Returns a new string ready for sending via MessageCommand.
+     *
+     * @param action Action string to create
+     * @return Action string ready for sending
+	 */
+	public static String makeActionString( String action )
+	{
+		return makeCtcpString( "ACTION " + action );
+	}
+	
+	public static String makeCtcpString( String s )
+	{
+		return "" + CTCP_TAG_DELIM + s + CTCP_TAG_DELIM;
+	}
+	
+	/**
+	 * Parses the string into tokens, where each token is either a
+	 * CTCP escaped sequence or not.
+	 */
+	public static class CtcpTokenizer
+	{
+		private String str;
+
+		public CtcpTokenizer( String in )
+		{
+			this.str = in;
+		}
+
+		public boolean isNextACtcp()
+		{
+			return str.charAt(0) == CTCP_TAG_DELIM;
+		}
+		
+		public boolean hasNext()
+		{
+			return !str.equals("");
+		}
+		
+		public String next()
+		{
+			return nextToken();
+		}
+		public String nextToken()
+		{
+			if( !hasNext() )
+			{
+				throw new NoSuchElementException();
+			}
+			
+			int pos = str.indexOf( CTCP_TAG_DELIM, 1 );
+			String result;
+			if( isNextACtcp() )
+			{
+				if( pos < 0 )
+				{
+					// Error?  Well, whatever, return the rest of the
+					// string.
+					result = str.substring( 1 );
+					str = "";
+					return result;
+				}
+				else
+				{
+					// ^Aour string^A(rest of string)
+					// Lose both ^A
+					result = str.substring( 1, pos );
+					str = str.substring( pos + 1 );
+					return result;
+				}
+			}
+			else 
+			{
+				// Not a CTCP
+				if( pos < 0 )
+				{
+					result = str;
+					str = "";
+					return result;
+				}
+				else
+				{
+					result = str.substring( 0, pos );
+					str = str.substring( pos );
+					return result;
+				}
+			}
+		}
+	}
+}
+