JezK
Edit File: tc_gc.rb
# encoding: UTF-8 require './test_helper' require 'test/unit' class TestFoo < Test::Unit::TestCase def namespaces {'kml' => 'http://earth.google.com/kml/2.2'} end def doc path = File.expand_path(File.join('model', 'kml_sample.xml')) data = File.read(path) parser = LibXML::XML::Parser.string(data) doc = parser.parse result = doc.root doc = nil GC.start end def test_read 1000.times do read_placemarks GC.start end end def read_placemarks root = doc.root result = Array.new root.find('//kml:Placemark', self.namespaces).each do |entry| result << self.read_placemark(entry) end result end def read_placemark(entry) geometries = read_geoms(entry) #stop processing this placemark if there aren't any geometries. return if geometries.empty? end def read_geoms(entry) geoms = [] entry.find('//kml:Point', self.namespaces).each do |point_entry| geoms << parse_point(point_entry) end entry.find('//kml:LineString', self.namespaces).each do |point_entry| geoms << parse_point(point_entry) end entry.find('//kml:Polygon', self.namespaces).each do |point_entry| geoms << parse_polygon(point_entry) end geoms end def parse_point(entry) coordinate_entry = entry.find('//kml:coordinates',self.namespaces).first coordinate_entry.content.split(",") end def parse_coordinate_string(entry) coordinates = entry.content.split end def parse_line_string(entry) coord_sequence = parse_coordinate_string(entry.find('kml:coordinates',self.namespaces).first) end def parse_linear_ring(entry) coord_sequence = parse_coordinate_string(entry.find('kml:coordinates',self.namespaces).first) end def parse_polygon(entry) exterior_ring = parse_linear_ring(entry.find('kml:outerBoundaryIs/kml:LinearRing', self.namespaces).first) interior_rings = [] entry.find('kml:innerBoundaryIs/kml:LinearRing', self.namespaces).each do |interior_ring| interior_rings << parse_linear_ring(interior_ring) end interior_rings end end