gpx/lib/gpx/waypoint.rb

74 lines
2.5 KiB
Ruby

#--
# Copyright (c) 2006 Doug Fales
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++
module GPX
# This class supports the concept of a waypoint. Beware that this class has
# not seen much use yet, since WalkingBoss does not use waypoints right now.
class Waypoint < Point
SUB_ELEMENTS = %w{ magvar geoidheight name cmt desc src link sym type fix sat hdop vdop pdop ageofdgpsdata dgpsid extensions }
attr_reader :gpx_file
# Not implemented
def crop(area)
end
# Not implemented
def delete_area(area)
end
# Initializes a waypoint from a XML::Node.
def initialize(opts = {})
wpt_elem = opts[:element]
@gpx_file = opts[:gpx_file]
super(:element => wpt_elem, :gpx_file => @gpx_file)
instantiate_with_text_elements(wpt_elem, SUB_ELEMENTS)
end
# Converts a waypoint to a XML::Node.
def to_xml
wpt = Node.new('wpt')
wpt.attributes['lat'] = lat
wpt.attributes['lon'] = lon
if self.respond_to? :name
name_elem = Node.new('name')
name_elem << self.name
wpt << name_elem
end
if self.respond_to? :sym
sym_elem = Node.new('sym')
sym_elem << self.sym
wpt << sym_elem
end
if self.respond_to? :ele
elev_elem = Node.new('ele')
elev_elem << self.ele
wpt << elev_elem
end
wpt
end
end
end