#!/usr/bin/env python

# This software is provided 'as-is', without any express or implied
# warranty.  In no event will the author be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
#    claim that you wrote the original software. If you use this software
#    in a product, an acknowledgment in the product documentation would be
#    appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
#    misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
#
# Copyright (c) 2008 Greg Hewgill http://hewgill.com
#
# This has been modified from the original software.
# Copyright (c) 2011 William Grant <me@williamgrant.id.au>
#
# This has been modified from the original software.
# Copyright (c) 2016 Google, Inc.
# Contact: Brandon Long <blong@google.com>

from __future__ import print_function

import logging
import sys

import arc

if sys.version_info[0] >= 3:
    # Make sys.stdin a binary stream.
    sys.stdin = sys.stdin.detach()

message = sys.stdin.read()
verbose = '-v' in sys.argv
if verbose:
  logging.basicConfig(level=10)
  d = arc.ARC(message)
  cv, results, comment = d.verify()
else:
  cv, results, comment = arc.verify(message)

print("arc verification: cv=%s %s" % (cv, comment))
if verbose:
  print(repr(results))