Class: ActionDispatch::Journey::Route

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

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, app, path, constraints, defaults = {}) ⇒ Route

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



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 14

def initialize(name, app, path, constraints, defaults = {})
  @name        = name
  @app         = app
  @path        = path

  # Unwrap any constraints so we can see what's inside for route generation.
  # This allows the formatter to skip over any mounted applications or redirects
  # that shouldn't be matched when using a url_for without a route name.
  while app.is_a?(Routing::Mapper::Constraints) do
    app = app.app
  end
  @dispatcher  = app.is_a?(Routing::RouteSet::Dispatcher)

  @constraints = constraints
  @defaults    = defaults
  @required_defaults = nil
  @required_parts    = nil
  @parts             = nil
  @decorated_ast     = nil
  @precedence        = 0
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 4

def app
  @app
end

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

Returns the value of attribute constraints



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 6

def constraints
  @constraints
end

#defaults ⇒ Object (readonly)

Returns the value of attribute defaults



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 4

def defaults
  @defaults
end

#name ⇒ Object (readonly)

Returns the value of attribute name



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 4

def name
  @name
end

#path ⇒ Object (readonly)

Returns the value of attribute path



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 4

def path
  @path
end

#precedence ⇒ Object

Returns the value of attribute precedence



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

def precedence
  @precedence
end

Instance Method Details

#ast ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 36

def ast
  @decorated_ast ||= begin
    decorated_ast = path.ast
    decorated_ast.grep(Nodes::Terminal).each { |n| n.memo = self }
    decorated_ast
  end
end

#dispatcher? ⇒ Boolean

Returns:

  • (Boolean) 


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

def dispatcher?
  @dispatcher
end

#format(path_options) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 74

def format(path_options)
  path_options.delete_if do |key, value|
    value.to_s == defaults[key].to_s && !required_parts.include?(key)
  end

  Visitors::Formatter.new(path_options).accept(path.spec)
end

#glob? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 104

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

#ip ⇒ Object 



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

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

#matches?(request) ⇒ Boolean

Returns:

  • (Boolean) 


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

def matches?(request)
  constraints.all? do |method, value|
    next true unless request.respond_to?(method)

    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
end

#optimized_path ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 82

def optimized_path
  Visitors::OptimizedPath.new.accept(path.spec)
end

#optional_parts ⇒ Object 



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

def optional_parts
  path.optional_names.map { |n| n.to_sym }
end

#parts ⇒ Object Also known as: segment_keys 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 69

def parts
  @parts ||= segments.map { |n| n.to_sym }
end

#required_default?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 94

def required_default?(key)
  (constraints[:required_defaults] || []).include?(key)
end

#required_defaults ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 98

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 'actionpack/lib/action_dispatch/journey/route.rb', line 55

def required_keys
  required_parts + required_defaults.keys
end

#required_parts ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 90

def required_parts
  @required_parts ||= path.required_names.map { |n| n.to_sym }
end

#requirements ⇒ Object

:nodoc:



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 44

def requirements # :nodoc:
  # needed for rails `rake routes`
  path.requirements.merge(@defaults).delete_if { |_,v|
    /.+?/ == v
  }
end

#score(constraints) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 59

def score(constraints)
  required_keys = path.required_names
  supplied_keys = constraints.map { |k,v| v && k.to_s }.compact

  return -1 unless (required_keys - supplied_keys).empty?

  score = (supplied_keys & path.names).length
  score + (required_defaults.length * 2)
end

#segments ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 51

def segments
  path.names
end

#verb ⇒ Object 



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# File 'actionpack/lib/action_dispatch/journey/route.rb', line 135

def verb
  constraints[:request_method] || //
end