From 6be2d92bac5c18a99f11ec4c55a0a9d5ff210c26 Mon Sep 17 00:00:00 2001
From: dave <dave@davepedu.com>
Date: Mon, 4 Dec 2017 23:53:44 -0800
Subject: [PATCH] Make line parser reuseable (and make it work for client &
 server lines)

---
 pyircbot/common.py  | 40 +++++++++++++++++++++++++++++++++++++++
 pyircbot/irccore.py | 46 ++++++++-------------------------------------
 2 files changed, 48 insertions(+), 38 deletions(-)

diff --git a/pyircbot/common.py b/pyircbot/common.py
index 254ce9b..96a2a66 100644
--- a/pyircbot/common.py
+++ b/pyircbot/common.py
@@ -132,3 +132,43 @@ def load(filepath):
             return json_load(f)
     else:
         raise Exception("Unknown config format")
+
+
+def parse_irc_line(data, client=True):
+    """
+    Process one line of text irc sent us.
+
+    Return tuple of (command, args, prefix, trailing)
+
+    :param data: the data to process
+    :type data: str
+    :return tuple:"""
+    if data.strip() == "":
+        return
+
+    prefix = None
+    command = None
+    args = []
+    trailing = None
+
+    if data[0] == ":":
+        prefix = data.split(" ")[0][1:]
+        data = data[data.find(" ") + 1:]
+    command = data.split(" ")[0]
+    data = data[data.find(" ") + 1:]
+    if(data[0] == ":"):
+        # no args
+        trailing = data[1:].strip()
+    else:
+        # find trailing
+        pos = data.find(" :")
+        if pos == -1:
+            trailing = None
+        else:
+            trailing = data[pos + 2:].strip()
+            data = data[:data.find(" :")]
+        args = data.split(" ")
+    for index, arg in enumerate(args):
+        args[index] = arg.strip()
+
+    return (command, args, prefix, trailing)
diff --git a/pyircbot/irccore.py b/pyircbot/irccore.py
index 8faadbf..2f4eb04 100644
--- a/pyircbot/irccore.py
+++ b/pyircbot/irccore.py
@@ -12,7 +12,7 @@ import logging
 import traceback
 import sys
 from inspect import getargspec
-from pyircbot.common import burstbucket
+from pyircbot.common import burstbucket, parse_irc_line
 from collections import namedtuple
 from io import StringIO
 
@@ -81,12 +81,17 @@ class IRCCore(object):
                 self.server = (self.server + 1) % len(self.servers)
                 await asyncio.sleep(1, loop=loop)
                 continue
-
             while self.alive:
                 try:
                     data = await self.reader.readuntil()
                     self.log.debug("<<< {}".format(repr(data)))
-                    self.process_line(data.decode("UTF-8"))
+                    command, args, prefix, trailing = parse_irc_line(data.decode("UTF-8"))
+                    self.fire_hook("_RECV", args=args, prefix=prefix, trailing=trailing)
+                    if command not in self.hookcalls:
+                        self.log.warning("Unknown command: cmd='{}' prefix='{}' args='{}' trailing='{}'"
+                                         .format(command, prefix, args, trailing))
+                    else:
+                        self.fire_hook(command, args=args, prefix=prefix, trailing=trailing)
                 except (ConnectionResetError, asyncio.streams.IncompleteReadError):
                     traceback.print_exc()
                     break
@@ -132,41 +137,6 @@ class IRCCore(object):
         self.writer.close()
         self.log.info("Kill complete")
 
-    def process_line(self, data):
-        """Process one line of text irc sent us
-
-        :param data: the data to process
-        :type data: str"""
-        if data.strip() == "":
-            return
-
-        prefix = None
-        command = None
-        args = []
-        trailing = None
-
-        if data[0] == ":":
-            prefix = data.split(" ")[0][1:]
-            data = data[data.find(" ") + 1:]
-        command = data.split(" ")[0]
-        data = data[data.find(" ") + 1:]
-        if(data[0] == ":"):
-            # no args
-            trailing = data[1:].strip()
-        else:
-            trailing = data[data.find(" :") + 2:].strip()
-            data = data[:data.find(" :")]
-            args = data.split(" ")
-        for index, arg in enumerate(args):
-            args[index] = arg.strip()
-
-        self.fire_hook("_RECV", args=args, prefix=prefix, trailing=trailing)
-        if command not in self.hookcalls:
-            self.log.warning("Unknown command: cmd='%s' prefix='%s' args='%s' trailing='%s'" % (command, prefix, args,
-                                                                                                trailing))
-        else:
-            self.fire_hook(command, args=args, prefix=prefix, trailing=trailing)
-
     def sendRaw(self, data):
         asyncio.run_coroutine_threadsafe(self.outputq.put((5, data, )), self._loop)