require 'rexml/parsers/sax2parser'
require 'rexml/text'
require 'xml/libxml'
- require 'digest/md5'
if defined?(SystemTimer)
Timer = SystemTimer
end
end
+ # Raised when access is denied.
+ class APIAccessDenied < RuntimeError
+ def status
+ :forbidden
+ end
+
+ def to_s
+ "Access denied"
+ end
+ end
+
# Raised when an API object is not found.
class APINotFoundError < APIError
def status
end
end
+ # Raised when the note provided is already open
+ class APINoteAlreadyOpenError < APIError
+ def initialize(note)
+ @note = note
+ end
+
+ attr_reader :note
+
+ def status
+ :conflict
+ end
+
+ def to_s
+ "The note #{@note.id} is already open"
+ end
+ end
+
+ # raised when a two preferences have a duplicate key string.
+ class APIDuplicatePreferenceError < APIError
+ def initialize(key)
+ @key = key
+ end
+
+ attr_reader :key
+
+ def status
+ :bad_request
+ end
+
+ def to_s
+ "Duplicate preferences with key #{@key}"
+ end
+ end
+
# Helper methods for going to/from mercator and lat/lng.
class Mercator
include Math
begin
lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2))
- rescue Errno::EDOM
+ rescue Errno::EDOM, Math::DomainError
lonradius = PI
end
end
end
- class GeoRSS
- 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 = XML::Encoding::UTF_8
-
- rss = XML::Node.new 'rss'
- @doc.root = rss
- rss['version'] = "2.0"
- rss['xmlns:geo'] = "http://www.w3.org/2003/01/geo/wgs84_pos#"
- @channel = XML::Node.new 'channel'
- rss << @channel
- title = XML::Node.new 'title'
- title << feed_title
- @channel << title
- description_el = XML::Node.new 'description'
- @channel << description_el
-
- description_el << feed_description
- link = XML::Node.new 'link'
- link << feed_url
- @channel << link
- image = XML::Node.new 'image'
- @channel << image
- url = XML::Node.new 'url'
- url << 'http://www.openstreetmap.org/images/mag_map-rss2.0.png'
- image << url
- title = XML::Node.new 'title'
- title << "OpenStreetMap"
- image << title
- width = XML::Node.new 'width'
- width << '100'
- image << width
- height = XML::Node.new 'height'
- height << '100'
- image << height
- link = XML::Node.new 'link'
- link << feed_url
- image << link
- end
-
- def add(latitude=0, longitude=0, title_text='dummy title', author_text='anonymous', url='http://www.example.com/', description_text='dummy description', timestamp=DateTime.now)
- item = XML::Node.new 'item'
-
- title = XML::Node.new 'title'
- item << title
- title << title_text
- link = XML::Node.new 'link'
- link << url
- item << link
-
- guid = XML::Node.new 'guid'
- guid << url
- item << guid
-
- description = XML::Node.new 'description'
- description << description_text
- item << description
-
- author = XML::Node.new 'author'
- author << author_text
- item << author
-
- pubDate = XML::Node.new 'pubDate'
- pubDate << timestamp.to_s(:rfc822)
- item << pubDate
-
- if latitude
- lat_el = XML::Node.new 'geo:lat'
- lat_el << latitude.to_s
- item << lat_el
- end
-
- if longitude
- lon_el = XML::Node.new 'geo:long'
- lon_el << longitude.to_s
- item << lon_el
- end
-
- @channel << item
- end
-
- def to_s
- return @doc.to_s
- end
- end
-
class API
def get_xml_doc
doc = XML::Document.new
country = "GB" if country == "UK"
end
end
-
+
return country.upcase
end
return nil
end
+ # Parse a float, raising a specified exception on failure
+ def self.parse_float(str, klass, *args)
+ Float(str)
+ rescue
+ raise klass.new(*args)
+ end
+
# Construct a random token of a given length
def self.make_token(length = 30)
chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
return token
end
- # Return an encrypted version of a password
- def self.encrypt_password(password, salt)
- return Digest::MD5.hexdigest(password) if salt.nil?
- return Digest::MD5.hexdigest(salt + password)
- end
-
# Return an SQL fragment to select a given area of the globe
def self.sql_for_area(bbox, prefix = nil)
tilesql = QuadTile.sql_for_area(bbox, prefix)