waypoint.rb in gpx-0.6

- old
+ new
@@ -21,76 +21,76 @@
 # 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
+  # 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 } 
+    SUB_ELEMENTS = %w{ magvar geoidheight name cmt desc src link sym type fix sat hdop vdop pdop ageofdgpsdata dgpsid extensions } 
 
-      attr_reader :gpx_file
-      SUB_ELEMENTS.each { |sub_el| attr_accessor sub_el.to_sym }
+    attr_reader :gpx_file
+    SUB_ELEMENTS.each { |sub_el| attr_accessor sub_el.to_sym }
 
-      # Not implemented
-      def crop(area)
-      end
+    # Not implemented
+    def crop(area)
+    end
 
-      # Not implemented
-      def delete_area(area)
-      end
+    # Not implemented
+    def delete_area(area)
+    end
 
-      # Initializes a waypoint from a XML::Node.
-      def initialize(opts = {})
-		if(opts[:element] and opts[:gpx_file])
-		  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, @gpx_file.ns)
-		else
-		  opts.each do |key, value|
-			assignment_method = "#{key}="
-			if self.respond_to?(assignment_method)
-			  self.send(assignment_method, value)
-			end
-		  end
-		end
+    # Initializes a waypoint from a XML::Node.
+    def initialize(opts = {})
+      if(opts[:element] and opts[:gpx_file])
+        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, @gpx_file.ns)
+      else
+        opts.each do |key, value|
+          assignment_method = "#{key}="
+          if self.respond_to?(assignment_method)
+            self.send(assignment_method, value)
+          end
+        end
       end
+    end
 
-      # Prints out a friendly summary of this track (sans points).  Useful for
-      # debugging and sanity checks.
-      def to_s
-         result = "Waypoint \n"
-         result << "\tName: #{name}\n"
-         result << "\tLatitude: #{lat} \n"
-         result << "\tLongitude: #{lon} \n"
-         result << "\tElevation: #{elevation}\n "
-         result << "\tTime: #{time}\n"
-	 SUB_ELEMENTS.each do |sub_element_attribute|
-	   val = self.send(sub_element_attribute)
-	   result << "\t#{sub_element_attribute}: #{val}\n" unless val.nil?
-         end
-         result
+    # Prints out a friendly summary of this track (sans points).  Useful for
+    # debugging and sanity checks.
+    def to_s
+      result = "Waypoint \n"
+      result << "\tName: #{name}\n"
+      result << "\tLatitude: #{lat} \n"
+      result << "\tLongitude: #{lon} \n"
+      result << "\tElevation: #{elevation}\n "
+      result << "\tTime: #{time}\n"
+      SUB_ELEMENTS.each do |sub_element_attribute|
+        val = self.send(sub_element_attribute)
+        result << "\t#{sub_element_attribute}: #{val}\n" unless val.nil?
       end
+      result
+    end
 
-      # Converts a waypoint to a XML::Node.
-      def to_xml
-         wpt = Node.new('wpt')
-         wpt['lat'] = lat.to_s
-         wpt['lon'] = lon.to_s
-		 SUB_ELEMENTS.each do |sub_element_name|
-		   if(self.respond_to?(sub_element_name) and (!self.send(sub_element_name).nil?))
-            sub_elem_node = Node.new(sub_element_name)
-            sub_elem_node <<  self.send(sub_element_name) 
-            wpt <<  sub_elem_node
-           end
-         end
-		 unless(self.elevation.nil?)
-            ele_node = Node.new('ele')
-            ele_node <<  self.elevation
-            wpt <<  ele_node
-         end
-         wpt
+    # Converts a waypoint to a XML::Node.
+    def to_xml(elem_name = 'wpt')
+      wpt = Node.new(elem_name)
+      wpt['lat'] = lat.to_s
+      wpt['lon'] = lon.to_s
+      SUB_ELEMENTS.each do |sub_element_name|
+        if(self.respond_to?(sub_element_name) and (!self.send(sub_element_name).nil?))
+          sub_elem_node = Node.new(sub_element_name)
+          sub_elem_node <<  self.send(sub_element_name) 
+          wpt <<  sub_elem_node
+        end
       end
-   end
+      unless(self.elevation.nil?)
+        ele_node = Node.new('ele')
+        ele_node <<  self.elevation
+        wpt <<  ele_node
+      end
+      wpt
+    end
+  end
 end