#
# Copyright (C) 2009 Google Inc.
#
# Licensed under the Apache License 2.0;


"""Contains the data classes of the Geography Extension"""

# __author__ = 'j.s@google.com (Jeff Scudder)'

import atom.core

GEORSS_TEMPLATE = '{http://www.georss.org/georss/}%s'
GML_TEMPLATE = '{http://www.opengis.net/gml/}%s'
GEO_TEMPLATE = '{http://www.w3.org/2003/01/geo/wgs84_pos#/}%s'


class GeoLat(atom.core.XmlElement):
    """Describes a W3C latitude."""
    _qname = GEO_TEMPLATE % 'lat'


class GeoLong(atom.core.XmlElement):
    """Describes a W3C longitude."""
    _qname = GEO_TEMPLATE % 'long'


class GeoRssBox(atom.core.XmlElement):
    """Describes a geographical region."""
    _qname = GEORSS_TEMPLATE % 'box'


class GeoRssPoint(atom.core.XmlElement):
    """Describes a geographical location."""
    _qname = GEORSS_TEMPLATE % 'point'


class GmlLowerCorner(atom.core.XmlElement):
    """Describes a lower corner of a region."""
    _qname = GML_TEMPLATE % 'lowerCorner'


class GmlPos(atom.core.XmlElement):
    """Describes a latitude and longitude."""
    _qname = GML_TEMPLATE % 'pos'


class GmlPoint(atom.core.XmlElement):
    """Describes a particular geographical point."""
    _qname = GML_TEMPLATE % 'Point'
    pos = GmlPos


class GmlUpperCorner(atom.core.XmlElement):
    """Describes an upper corner of a region."""
    _qname = GML_TEMPLATE % 'upperCorner'


class GmlEnvelope(atom.core.XmlElement):
    """Describes a Gml geographical region."""
    _qname = GML_TEMPLATE % 'Envelope'
    lower_corner = GmlLowerCorner
    upper_corner = GmlUpperCorner


class GeoRssWhere(atom.core.XmlElement):
    """Describes a geographical location or region."""
    _qname = GEORSS_TEMPLATE % 'where'
    Point = GmlPoint
    Envelope = GmlEnvelope


class W3CPoint(atom.core.XmlElement):
    """Describes a W3C geographical location."""
    _qname = GEO_TEMPLATE % 'Point'
    long = GeoLong
    lat = GeoLat