# -*- coding: utf-8 -*-
#
# Copyright (c) 2010 - 2011 -- Lars Heuer - Semagia <http://www.semagia.com/>.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#
#     * Redistributions in binary form must reproduce the above
#       copyright notice, this list of conditions and the following
#       disclaimer in the documentation and/or other materials provided
#       with the distribution.
#
#     * Neither the project name nor the names of the contributors may be 
#       used to endorse or promote products derived from this software 
#       without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
"""\
Constants

:author:       Lars Heuer (heuer[at]semagia.com)
:organization: Semagia - http://www.semagia.com/
:license:      BSD License
"""
from __future__ import absolute_import
from itertools import count
from . import XSD

KIND_UNKNOWN = -1
KIND_VERTEX = 1
KIND_EDGE = 2
KIND_LITERAL = 3

_KIND2NAME = {
    KIND_VERTEX: u'vertex',
    KIND_EDGE: u'edge',
    KIND_LITERAL: u'literal vertex',
}


def kind_name(i):
    return _KIND2NAME.get(i, u'unknown')

_tmp = sorted([getattr(XSD, i) for i in dir(XSD) if i[0] != u'_' and i != u'XSD'])

XSDID2URI = dict(zip(count(1), _tmp))
XSDURI2ID = dict(zip(_tmp, count(1)))

del _tmp
