X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/3bd92c16704823e79ac61f27d05c1a9be52858f5..7aeead9175285ed2d8afa7d40057b57125bf8f2e:/lib/osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index 6e9346bb4..9c271607d 100644
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -1,13 +1,6 @@
+# The OSM module provides support functions for OSM.
 module OSM
 
-  # This piece of magic reads a GPX with SAX and spits out
-  # lat/lng and stuff
-  #
-  # This would print every latitude value:
-  #
-  # gpx = OSM::GPXImporter.new('somefile.gpx')
-  # gpx.points {|p| puts p['latitude']}
-
   require 'time'
   require 'rexml/parsers/sax2parser'
   require 'rexml/text'
@@ -15,11 +8,27 @@ module OSM
   require 'digest/md5'
   require 'RMagick'
 
+  # The base class for API Errors.
+  class APIError < RuntimeError
+  end
+
+  # Raised when an API object is not found.
+  class APINotFoundError < APIError
+  end
+
+  # Raised when a precondition to an API action fails sanity check.
+  class APIPreconditionFailedError < APIError
+  end
+
+  # Raised when to delete an already-deleted object.
+  class APIAlreadyDeletedError < APIError
+  end
+
+  # Helper methods for going to/from mercator and lat/lng.
   class Mercator
     include Math
 
     #init me with your bounding box and the size of your image
-
     def initialize(min_lat, min_lon, max_lat, max_lon, width, height)
       xsize = xsheet(max_lon) - xsheet(min_lon)
       ysize = ysheet(max_lat) - ysheet(min_lat)
@@ -61,192 +70,6 @@ module OSM
     end
   end
 
-
-  class GPXImporter
-    # FIXME swap REXML for libXML
-    attr_reader :possible_points
-    attr_reader :actual_points
-    attr_reader :tracksegs
-
-    def initialize(file)
-      @file = file
-    end
-
-    def points
-      @possible_points = 0
-      @actual_points = 0
-      @tracksegs = 0
-
-      lat = -1
-      lon = -1
-      ele = -1
-      date = DateTime.now();
-      gotlatlon = false
-      gotele = false
-      gotdate = false
-
-      @file.rewind
-
-      parser = REXML::Parsers::SAX2Parser.new(@file)
-
-      parser.listen( :start_element,  %w{ trkpt }) do |uri,localname,qname,attributes| 
-        lat = attributes['lat'].to_f
-        lon = attributes['lon'].to_f
-        gotlatlon = true
-        gotele = false
-        gotdate = false
-        @possible_points += 1
-      end
-
-      parser.listen( :characters, %w{ ele } ) do |text|
-        ele = text
-        gotele = true
-      end
-
-      parser.listen( :characters, %w{ time } ) do |text|
-        if text && text != ''
-          begin
-            date = DateTime.parse(text)
-            gotdate = true
-          rescue
-          end
-        end
-      end
-
-      parser.listen( :end_element, %w{ trkseg } ) do |uri, localname, qname|
-        @tracksegs += 1
-      end
-
-      parser.listen( :end_element, %w{ trkpt } ) do |uri,localname,qname|
-        if gotlatlon && gotdate
-          ele = '0' unless gotele
-          if lat < 90 && lat > -90 && lon > -180 && lon < 180
-            @actual_points += 1
-            yield Hash['latitude' => lat, 'longitude' => lon, 'timestamp' => date, 'altitude' => ele, 'segment' => @tracksegs]
-          end
-        end
-        gotlatlon = false
-        gotele = false
-        gotdate = false
-      end
-
-      parser.parse
-    end
-
-    def get_picture(min_lat, min_lon, max_lat, max_lon, num_points)
-      #puts "getting picfor bbox #{min_lat},#{min_lon} - #{max_lat},#{max_lon}"
-      frames = 10
-      width = 250
-      height = 250
-      proj = OSM::Mercator.new(min_lat, min_lon, max_lat, max_lon, width, height)
-
-      linegc = Magick::Draw.new
-      linegc.stroke_linejoin('miter')
-      linegc.stroke_width(1)
-      linegc.stroke('#BBBBBB')
-      linegc.fill('#BBBBBB')
-
-      highlightgc = Magick::Draw.new
-      highlightgc.stroke_linejoin('miter')
-      highlightgc.stroke_width(3)
-      highlightgc.stroke('#000000')
-      highlightgc.fill('#000000')
-
-      images = []
-
-      frames.times do
-        image = Magick::Image.new(width, height) do |image|
-          image.background_color = 'white'
-          image.format = 'GIF'
-        end
-
-        images << image
-      end
-
-      oldpx = 0.0
-      oldpy = 0.0
-
-      first = true
-
-      m = 0
-      mm = 0
-      points do |p|
-        px = proj.x(p['longitude'])
-        py = proj.y(p['latitude'])
-
-        if m > 0
-          frames.times do |n|
-            if n == mm
-              gc = highlightgc.dup
-            else
-              gc = linegc.dup
-            end
-
-            gc.line(px, py, oldpx, oldpy)
-
-            gc.draw(images[n])
-          end
-        end
-
-        m += 1
-        if m > num_points.to_f / frames.to_f * (mm+1)
-          mm += 1
-        end
-
-        oldpy = py
-        oldpx = px
-      end
-
-      il = Magick::ImageList.new
-
-      images.each do |f|
-        il << f
-      end
-
-      il.delay = 50
-      il.format = 'GIF'
-
-      return il.to_blob
-    end
-
-    def get_icon(min_lat, min_lon, max_lat, max_lon)
-      #puts "getting icon for bbox #{min_lat},#{min_lon} - #{max_lat},#{max_lon}"
-      width = 50
-      height = 50
-      proj = OSM::Mercator.new(min_lat, min_lon, max_lat, max_lon, width, height)
-
-      gc = Magick::Draw.new
-      gc.stroke_linejoin('miter')
-      gc.stroke_width(1)
-      gc.stroke('#000000')
-      gc.fill('#000000')
-
-      image = Magick::Image.new(width, height) do |image|
-        image.background_color = 'white'
-        image.format = 'GIF'
-      end
-
-      oldpx = 0.0
-      oldpy = 0.0
-
-      first = true
-
-      points do |p|
-        px = proj.x(p['longitude'])
-        py = proj.y(p['latitude'])
-
-        gc.dup.line(px, py, oldpx, oldpy).draw(image) unless first
-
-        first = false
-        oldpy = py
-        oldpx = px
-      end
-
-      return image.to_blob
-    end
-
-  end
-
   class GreatCircle
     include Math
 
@@ -279,7 +102,7 @@ module OSM
     def initialize(feed_title='OpenStreetMap GPS Traces', feed_description='OpenStreetMap GPS Traces', feed_url='http://www.openstreetmap.org/traces/')
       @doc = XML::Document.new
       @doc.encoding = 'UTF-8' 
-      
+
       rss = XML::Node.new 'rss'
       @doc.root = rss
       rss['version'] = "2.0"
@@ -425,72 +248,5 @@ module OSM
     return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}"
   end
 
-  class Potlatch # crazy shit
-
-    # ----- getpresets
-    #		  in:   none
-    #		  does: reads tag preset menus, colours, and autocomplete config files
-    #	      out:  [0] presets, [1] presetmenus, [2] presetnames,
-    #				[3] colours, [4] casing, [5] areas, [6] autotags
-    #				(all hashes)
-    def self.get_presets
-      RAILS_DEFAULT_LOGGER.info("  Message: getpresets")
-
-      # Read preset menus
-      presets={}
-      presetmenus={}; presetmenus['point']=[]; presetmenus['way']=[]; presetmenus['POI']=[]
-      presetnames={}; presetnames['point']={}; presetnames['way']={}; presetnames['POI']={}
-      presettype=''
-      presetcategory=''
-      #	StringIO.open(txt) do |file|
-      File.open("#{RAILS_ROOT}/config/potlatch/presets.txt") do |file|
-        file.each_line {|line|
-          t=line.chomp
-          if (t=~/(\w+)\/(\w+)/) then
-            presettype=$1
-            presetcategory=$2
-            presetmenus[presettype].push(presetcategory)
-            presetnames[presettype][presetcategory]=["(no preset)"]
-          elsif (t=~/^(.+):\s?(.+)$/) then
-            pre=$1; kv=$2
-            presetnames[presettype][presetcategory].push(pre)
-            presets[pre]={}
-            kv.split(',').each {|a|
-              if (a=~/^(.+)=(.*)$/) then presets[pre][$1]=$2 end
-            }
-          end
-        }
-      end
-
-      # Read colours/styling
-      colours={}; casing={}; areas={}
-      File.open("#{RAILS_ROOT}/config/potlatch/colours.txt") do |file|
-        file.each_line {|line|
-          t=line.chomp
-          if (t=~/(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/) then
-            tag=$1
-            if ($2!='-') then colours[tag]=$2.hex end
-            if ($3!='-') then casing[tag]=$3.hex end
-            if ($4!='-') then areas[tag]=$4.hex end
-          end
-        }
-      end
-
-      # Read auto-complete
-      autotags={}; autotags['point']={}; autotags['way']={}; autotags['POI']={};
-      File.open("#{RAILS_ROOT}/config/potlatch/autocomplete.txt") do |file|
-        file.each_line {|line|
-          t=line.chomp
-          if (t=~/^(\w+)\/(\w+)\s+(.+)$/) then
-            tag=$1; type=$2; values=$3
-            if values=='-' then autotags[type][tag]=[]
-            else autotags[type][tag]=values.split(',').sort.reverse end
-          end
-        }
-      end
-
-      [presets,presetmenus,presetnames,colours,casing,areas,autotags]
-    end
-  end
 
 end