Class: ActionDispatch::Routing::Mapper::Scope

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/action_dispatch/routing/mapper.rb

Overview

:nodoc:

Constant Summary collapse

OPTIONS = 
[:path, :shallow_path, :as, :shallow_prefix, :module,
:controller, :action, :path_names, :constraints,
:shallow, :blocks, :defaults, :via, :format, :options, :to]
RESOURCE_SCOPES = 
[:resource, :resources]
RESOURCE_METHOD_SCOPES = 
[:collection, :member, :new]
ROOT = 
Scope.new({}, nil)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash, parent = ROOT, scope_level = nil) ⇒ Scope

Returns a new instance of Scope.



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# File 'lib/action_dispatch/routing/mapper.rb', line 2300

def initialize(hash, parent = ROOT, scope_level = nil)
  @parent = parent
  @hash = parent ? parent.frame.merge(hash) : hash
  @scope_level = scope_level
end

Instance Attribute Details

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/action_dispatch/routing/mapper.rb', line 2298

def parent
  @parent
end

#scope_level ⇒ Object (readonly)

Returns the value of attribute scope_level.



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# File 'lib/action_dispatch/routing/mapper.rb', line 2298

def scope_level
  @scope_level
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2359

def [](key)
  frame[key]
end

#action_name(name_prefix, prefix, collection_name, member_name) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2326

def action_name(name_prefix, prefix, collection_name, member_name)
  case scope_level
  when :nested
    [name_prefix, prefix]
  when :collection
    [prefix, name_prefix, collection_name]
  when :new
    [prefix, :new, name_prefix, member_name]
  when :member
    [prefix, name_prefix, member_name]
  when :root
    [name_prefix, collection_name, prefix]
  else
    [name_prefix, member_name, prefix]
  end
end

#each ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2367

def each
  node = self
  until node.equal? ROOT
    yield node
    node = node.parent
  end
end

#frame ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2363

def frame; @hash; end

#nested? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/routing/mapper.rb', line 2306

def nested?
  scope_level == :nested
end

#new(hash) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2351

def new(hash)
  self.class.new hash, self, scope_level
end

#new_level(level) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2355

def new_level(level)
  self.class.new(frame, self, level)
end

#null? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/routing/mapper.rb', line 2310

def null?
  @hash.nil? && @parent.nil?
end

#options ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 2347

def options
  OPTIONS
end

#resource_method_scope? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/routing/mapper.rb', line 2322

def resource_method_scope?
  RESOURCE_METHOD_SCOPES.include? scope_level
end

#resource_scope? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/routing/mapper.rb', line 2343

def resource_scope?
  RESOURCE_SCOPES.include? scope_level
end

#resources? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/routing/mapper.rb', line 2318

def resources?
  scope_level == :resources
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_dispatch/routing/mapper.rb', line 2314

def root?
  @parent == ROOT
end