Class: ActionDispatch::Journey::Route

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/journey/route.rb

Defined Under Namespace

Modules: VerbMatchers

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, app, path, constraints, required_defaults, defaults, request_method_match, precedence, internal = false) ⇒ Route

path is a path constraint. constraints is a hash of constraints to be applied to this route.



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# File 'lib/action_dispatch/journey/route.rb', line 60

def initialize(name, app, path, constraints, required_defaults, defaults, request_method_match, precedence, internal = false)
  @name        = name
  @app         = app
  @path        = path

  @request_method_match = request_method_match
  @constraints = constraints
  @defaults    = defaults
  @required_defaults = nil
  @_required_defaults = required_defaults
  @required_parts    = nil
  @parts             = nil
  @decorated_ast     = nil
  @precedence        = precedence
  @path_formatter    = @path.build_formatter
  @internal          = internal
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/action_dispatch/journey/route.rb', line 7

def app
  @app
end

#constraints ⇒ Object (readonly) Also known as: conditions

Returns the value of attribute constraints.



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# File 'lib/action_dispatch/journey/route.rb', line 9

def constraints
  @constraints
end

#defaults ⇒ Object (readonly)

Returns the value of attribute defaults.



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# File 'lib/action_dispatch/journey/route.rb', line 7

def defaults
  @defaults
end

#internal ⇒ Object (readonly)

Returns the value of attribute internal.



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# File 'lib/action_dispatch/journey/route.rb', line 9

def internal
  @internal
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/action_dispatch/journey/route.rb', line 7

def name
  @name
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/action_dispatch/journey/route.rb', line 7

def path
  @path
end

#precedence ⇒ Object (readonly)

Returns the value of attribute precedence.



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# File 'lib/action_dispatch/journey/route.rb', line 7

def precedence
  @precedence
end

Class Method Details

.build(name, app, path, constraints, required_defaults, defaults) ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 52

def self.build(name, app, path, constraints, required_defaults, defaults)
  request_method_match = verb_matcher(constraints.delete(:request_method))
  new name, app, path, constraints, required_defaults, defaults, request_method_match, 0
end

.verb_matcher(verb) ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 46

def self.verb_matcher(verb)
  VerbMatchers::VERB_TO_CLASS.fetch(verb) do
    VerbMatchers::Unknown.new verb.to_s.dasherize.upcase
  end
end

Instance Method Details

#ast ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 86

def ast
  @decorated_ast ||= begin
    decorated_ast = path.ast
    decorated_ast.find_all(&:terminal?).each { |n| n.memo = self }
    decorated_ast
  end
end

#dispatcher? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/journey/route.rb', line 158

def dispatcher?
  @app.dispatcher?
end

#eager_load! ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 78

def eager_load!
  path.eager_load!
  ast
  parts
  required_defaults
  nil
end

#format(path_options) ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 136

def format(path_options)
  @path_formatter.evaluate path_options
end

#glob? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/journey/route.rb', line 154

def glob?
  !path.spec.grep(Nodes::Star).empty?
end

#ip ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 180

def ip
  constraints[:ip] || //
end

#matches?(request) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/journey/route.rb', line 162

def matches?(request)
  match_verb(request) &&
  constraints.all? { |method, value|
    case value
    when Regexp, String
      value === request.send(method).to_s
    when Array
      value.include?(request.send(method))
    when TrueClass
      request.send(method).present?
    when FalseClass
      request.send(method).blank?
    else
      value === request.send(method)
    end
  }
end

#parts ⇒ Object Also known as: segment_keys 



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# File 'lib/action_dispatch/journey/route.rb', line 131

def parts
  @parts ||= segments.map(&:to_sym)
end

#required_default?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/journey/route.rb', line 144

def required_default?(key)
  @_required_defaults.include?(key)
end

#required_defaults ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 148

def required_defaults
  @required_defaults ||= @defaults.dup.delete_if do |k, _|
    parts.include?(k) || !required_default?(k)
  end
end

#required_keys ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 112

def required_keys
  required_parts + required_defaults.keys
end

#required_parts ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 140

def required_parts
  @required_parts ||= path.required_names.map(&:to_sym)
end

#requirements ⇒ Object

Needed for `rails routes`. Picks up succinctly defined requirements for a route, for example route

get 'photo/:id', :controller => 'photos', :action => 'show',
  :id => /[A-Z]\d{5}/

will have :action=>“show”, :id=>/d{5/} as requirements.



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# File 'lib/action_dispatch/journey/route.rb', line 102

def requirements
  @defaults.merge(path.requirements).delete_if { |_, v|
    /.+?/ == v
  }
end

#requires_matching_verb? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/journey/route.rb', line 184

def requires_matching_verb?
  !@request_method_match.all? { |x| x == VerbMatchers::All }
end

#score(supplied_keys) ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 116

def score(supplied_keys)
  required_keys = path.required_names

  required_keys.each do |k|
    return -1 unless supplied_keys.include?(k)
  end

  score = 0
  path.names.each do |k|
    score += 1 if supplied_keys.include?(k)
  end

  score + (required_defaults.length * 2)
end

#segments ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 108

def segments
  path.names
end

#verb ⇒ Object 



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# File 'lib/action_dispatch/journey/route.rb', line 188

def verb
  verbs.join("|")
end