class Urifetch::Router

Attributes

routes[R]

Public Class Methods

new(options={},&block) click to toggle source
# File lib/urifetch/router.rb, line 7
def initialize(options={},&block)
  
  options = default_options = {
    strategy_key:    "base",
    class_name:   "Urifetch::Strategy::Base"
  }.merge(options)
  
  @routes = Hash.new(options)
  
  instance_eval(&block) if block_given?
  
  @routes[/(?<base>(?<match_id>.*))/i] = @routes[""]
end

Public Instance Methods

find(uri) click to toggle source
# File lib/urifetch/router.rb, line 21
def find(uri)
  
  # Tries to find a match
  match_data = @routes.keys.map{|r|r.match(uri.to_s)}.reject{|r|r.nil?}[0]
  
  # Fetches route data for given regex
  route_data = @routes[match_data.regexp]
        
  begin
    # Spawns strategy instance by constantizing strategy name
    class_name = route_data[:strategy_class] || "Urifetch::Strategy::" + route_data[:strategy_key].classify
    strategy = class_name.constantize.new(uri,match_data,route_data)
    
  rescue NameError
    # Spawns base strategy instance
    strategy = Strategy::Base.new(uri,match_data,route_data)
  end
  
  return strategy
  
end

Private Instance Methods

match(string,strategy_key,args={}) click to toggle source
# File lib/urifetch/router.rb, line 45
def match(string,strategy_key,args={})
  
  # Raises an ArgumentError if a non supported filetype is supplied.
  raise ArgumentError "matcher ('#{string.class}') needs to be either 'String' or 'Regexp'" unless [String,Regexp].include?(string.class)
  raise ArgumentError "strategy_key ('#{strategy_key.class}') needs to be either 'String' or 'Symbol'" unless [String,Symbol].include?(strategy_key.class)
  # Stores the arguments in memory
  routes[string] = { strategy_key: strategy_key.to_s }.merge(args)
  
end