Adds in support for links

src/server/portal/mxp.py

@@ -0,0 +1,57 @@
+"""
+MXP - Mud eXtension Protocol.
+
+Partial implementation of the MXP protocol.
+The MXP protocol allows more advanced formatting options for telnet clients
+that supports it (mudlet, zmud, mushclient are a few)
+
+This only implements the SEND tag.
+
+More information can be found on the following links:
+http://www.zuggsoft.com/zmud/mxp.htm
+http://www.mushclient.com/mushclient/mxp.htm
+http://www.gammon.com.au/mushclient/addingservermxp.htm
+"""
+import re
+
+LINKS_SUB =  re.compile(r'\{lc(.*?)\{lt(.*?)\{le', re.DOTALL)
+
+MXP = "\x5B"
+MXP_TEMPSECURE = "\x1B[4z"
+MXP_SEND = MXP_TEMPSECURE + \
+           "<SEND HREF='\\1'>" + \
+           "\\2" + \
+           MXP_TEMPSECURE + \
+           "</SEND>"
+
+def mxp_parse(text):
+    """
+    Replaces links to the correct format for MXP.
+    """
+    text = LINKS_SUB.sub(MXP_SEND, text)
+    return text
+
+class Mxp(object):
+    """
+    Implements the MXP protocol.
+    """
+
+    def __init__(self, protocol):
+        """Initializes the protocol by checking if the client supports it."""
+        self.protocol = protocol
+        self.protocol.protocol_flags["MXP"] = False
+        self.protocol.will(MXP).addCallbacks(self.do_mxp, self.no_mxp)
+
+    def no_mxp(self, option):
+        """
+        Client does not support MXP.
+        """
+        self.protocol.protocol_flags["MXP"] = False
+
+    def do_mxp(self, option):
+        """
+        Client does support MXP.
+        """
+        self.protocol.protocol_flags["MXP"] = True
+        self.protocol.handshake_done()
+        self.protocol.requestNegotiation(MXP, '')