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#! /usr/bin/env python
# -*- coding: utf8 -*-
#
# Copyright (C) 2014 Evol Online
# Author: Andrei Karas (4144)
import os
import re
import sys
defStart = "#if PACKETVER >= "
defEnd = "#endif"
packetStart = "packet(";
packetRe = re.compile("\tpacket[(](?P<id>([^,]+)),(?P<size>([^,])+),(?P<func>([^,]+))")
def makeDir(path):
if not os.path.exists(path):
os.makedirs(path)
def saveFile(fileName, data):
with open(fileName, "w") as w:
w.write(data)
def parsePacket(line):
m = packetRe.search(line)
if m is not None:
return (m.group("id").lower(), int(m.group("size")), m.group("func"))
return None
def readPackets(path, oldVersion, newVersion):
oldPackets = dict()
newPackets = dict()
with open(path, "r") as f:
searchState = 0
newBlock = False
for line in f:
if searchState == 0: # search for #if PACKETVER
if line.find(defStart) == 0:
ver = line[len(defStart):]
idx = ver.find("//");
if idx > 0:
ver = ver[:idx]
ver = int(ver)
if ver <= newVersion:
if ver > oldVersion:
newBlock = True
else:
newBlock = False
searchState = 1
elif searchState == 1: # read block body
if line.find(packetStart) == 1:
data = parsePacket(line)
if data is not None:
if newBlock == True:
newPackets[data[0]] = data
else:
oldPackets[data[0]] = data
elif line.find(defEnd) == 0:
searchState = 0
return (oldPackets, newPackets)
def findChangedPackets(data):
old = data[0]
new = data[1]
ret = dict()
for line in old.iteritems():
if line[0] in new:
ret[line[0]] = line[1]
return (ret, new)
def showPlan(data):
oldFunc = dict()
newFunc = dict()
for line in data[0].iteritems():
if line[1][2] not in oldFunc:
oldFunc[line[1][2]] = []
oldFunc[line[1][2]].append(line[1])
for line in data[1].iteritems():
if line[1][2] not in newFunc:
newFunc[line[1][2]] = []
newFunc[line[1][2]].append(line[1])
for line in oldFunc:
if line in oldFunc and line in newFunc:
for line2 in oldFunc[line]:
id1 = line2[0]
id2 = newFunc[line][0][0]
if id1 != id2:
print "{0:30} {1:4} -> {2:4}".format(line, id1, id2)
def showHelp():
print "Show difference between packet versions."
print "Usage: {0} old new".format(sys.argv[0])
def main():
if len(sys.argv) != 3:
showHelp();
exit();
data = readPackets("hercules/src/map/packets.h", int(sys.argv[1]), int(sys.argv[2]))
changed = findChangedPackets(data)
showPlan(changed)
main()
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