from twisted.internet import reactor, protocol, defer
from twisted.xish import domish, utility
import string
class InvalidFormat(Exception):
pass
def parse(jidstring):
user = None
server = None
resource = None
user_sep = jidstring.find("@")
res_sep = jidstring.find("/")
if user_sep == -1:
if res_sep == -1:
server = jidstring
else:
server = jidstring[0:res_sep]
resource = jidstring[res_sep + 1:]
else:
if res_sep == -1:
user = jidstring[0:user_sep]
server = jidstring[user_sep + 1:]
else:
if user_sep < res_sep:
user = jidstring[0:user_sep]
server = jidstring[user_sep + 1:user_sep + (res_sep - user_sep)]
resource = jidstring[res_sep + 1:]
else:
server = jidstring[0:res_sep]
resource = jidstring[res_sep + 1:]
if user and (user.find("@") != -1 or user.find("/") != -1):
raise InvalidFormat, "Invalid character in username"
if not server or len(server) == 0:
raise InvalidFormat, "Server address required."
if server and (server.find("@") != -1 or server.find("/") != -1):
raise InvalidFormat, "Invalid character in hostname"
if resource and len(resource) == 0:
resource = None
return (user, server, resource)
__internJIDs = {}
def intern(str):
if str in __internJIDs:
return __internJIDs[str]
else:
j = JID(str)
__internJIDs[str] = j
return j
class JID:
def __init__(self, str = None, tuple = None):
assert (str or tuple)
if str:
user, host, res = parse(str)
else:
user, host, res = tuple
self.host = host
self.user = user
self.resource = res
def userhost(self):
if self.user:
return "%s@%s" % (self.user, self.host)
else:
return self.host
def userhostJID(self):
if self.resource:
if "_uhjid" not in self.__dict__:
self._uhjid = jid.intern(self.userhost())
return self._uhjid
else:
return self
def full(self):
if self.user:
if self.resource:
return "%s@%s/%s" % (self.user, self.host, self.resource)
else:
return "%s@%s" % (self.user, self.host)
else:
if self.resource:
return "%s/%s" % (self.host, self.resource)
else:
return self.host
def __eq__(self, other):
return (self.user == other.user and
self.host == other.host and
self.resource == other.resource)
def __ne__(self, other):
return not (self.user == other.user and
self.host == other.host and
self.resource == other.resource)