import os
import sys
import re

rn = re.compile("\r\n$",re.MULTILINE)
n = re.compile("(?<!\r)\n",re.MULTILINE)

oldLicense = re.compile("^" + re.escape( "/*" ) + ".*2013.*" +  re.escape("*/" ),re.MULTILINE|re.DOTALL)

newLicense = """/*
    SnoreNotify is a Notification Framework based on Qt
    Copyright (C) 2013  Patrick von Reth <vonreth@kde.org>


    SnoreNotify is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    SnoreNotify is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with SnoreNotify.  If not, see <http://www.gnu.org/licenses/>.
*/"""
 
def myWalk(root):
    for  root,folders,files in os.walk(root):
        for folder in folders:
            if not (folder == ".git" or folder == ".svn"):
                myWalk(os.path.join(root,folder))
        for fileName in files:
            fileName = os.path.join(root,fileName)
            if os.path.isfile(fileName) and (fileName.endswith(".h") or fileName.endswith(".cpp")):
                print(fileName)
                f = open(fileName,"rb+")
                tmp = f.read()                
                f.close()
                tmp = str(tmp,"UTF-8")
                
                lineEnding = "\r\n"
                if re.search(rn,tmp) == None:
                   lineEnding = "\n"
                
                tmp = re.sub(oldLicense,newLicense,tmp)
                tmp = re.sub(n,lineEnding,tmp)
                #print(re.findall(oldLicense,tmp))
                f = open(fileName,"wb+")
                f.write(tmp.encode("UTF-8"))
                f.close()
                #sys.exit(0)
    
    

myWalk(sys.argv[1])
sys.exit(0)