#!/usr/bin/env python2.7

#

# Validates and provides a generator for ruleset filenames

#

import glob

import os

import re

import sys

import collections

def validate_filenames():

# Sort filenames so output is deterministic.

filenames = sorted(glob.glob('src/chrome/content/rules/*'))

counted_lowercase_names = collections.Counter([name.lower() for name in filenames])

most_common_entry = counted_lowercase_names.most_common(1)[0]

if most_common_entry[1] > 1:

dupe_filename = re.compile(re.escape(most_common_entry[0]), re.IGNORECASE)

print("%s failed case-insensitivity testing." % filter(dupe_filename.match, filenames))

print("Rules exist with identical case-insensitive names, which breaks some filesystems.")

sys.exit(1)

for fi in filenames:

basename = fi.split(os.path.sep)[-1]

if basename == '00README' or basename == 'make-trivial-rule' or basename == 'default.rulesets':

continue

if " " in fi:

print("%s failed validity: Rule filenames cannot contain spaces" % (fi))

sys.exit(1)

if not fi.endswith('.xml'):

print("%s failed validity: Rule filenames must end in .xml" % (fi))

sys.exit(1)

yield fi

if __name__ == "__main__":

[ fi for fi in validate_filenames() ]