def createStyletree():
#dic
dic = Dic()
dic.fromfile()
sourceparser = SourceParser(dic)
centre = CentreDicBuilder()
paths = centre.buildPath()
sourceparser.setPagenum(len(paths))
for path in paths:
c = open(path).read()
sourceparser.setSource(c)
sourceparser.parse()
sourceparser.styletree.cal()
res = sourceparser.styletree.show()
return (dic, sourceparser.styletree)
