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# Copyright 2005, Thomas Matthijs <axxo@gentoo.org>
# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import os
import sys
from struct import unpack
from zipfile import ZipFile
class CVVMagic:
def __init__(self, target):
# this is a number 8 9 10 11 etc, not including 1.
if '.' in target:
self.target = int(target.split(".")[-1])
else:
self.target = int(target)
self.good = []
self.bad = []
self.skipped = []
def add(self, version, jar, file):
if file == "module-info.class" and self.target < 9:
self.skipped.append((version, jar, file))
elif version <= self.target:
if version < 9:
self.good.append(("1.%s" % (version), jar, file))
else:
self.good.append((version, jar, file))
else:
if version < 9:
self.bad.append(("1.%s" % (version), jar, file))
else:
self.bad.append((version, jar, file))
def do_class(self,filename):
classFile = file(filename,"rb")
classFile.seek(4)
temp = classFile.read(4)
(version,) = unpack('>xxh',temp)
version -= 44
self.add(version, None, filename)
def do_jar(self, filename):
zipfile = ZipFile(filename, 'r')
for file in zipfile.namelist():
if file.endswith('class'):
classFile = zipfile.read(file)
(version,) = unpack('>h',classFile[6:8])
version -= 44
self.add(version, filename, file)
def do_file(self, filename):
if not os.path.islink(filename):
if filename.endswith(".class"):
self.do_class(filename)
if filename.endswith(".jar"):
self.do_jar(filename)
# vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap:
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