Module: Nest

Defined in:
lib/nest.rb

Defined Under Namespace

Modules: ClassMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name) ⇒ Object 



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# File 'lib/nest.rb', line 88

def method_missing( name )
  self[name]
end

Instance Attribute Details

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/nest.rb', line 31

def uri
  @uri
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/nest.rb', line 27

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/nest.rb', line 84

def []( name )
  properties[name.to_s]
end

#base_path ⇒ Object 



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# File 'lib/nest.rb', line 39

def base_path
  File.join(self.class.mount_point, @uri)
end

#children ⇒ Object 



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# File 'lib/nest.rb', line 92

def children
  retrieve_sub( :file, :index )
end

#data_path ⇒ Object 



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# File 'lib/nest.rb', line 65

def data_path
  case node_type
    when :index
      index_path
    when :file
      file_path
    else
      raise 'not a data node'
  end
end

#endpoints ⇒ Object 



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# File 'lib/nest.rb', line 102

def endpoints
  retrieve_sub( :file )
end

#file_groups ⇒ Object 



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# File 'lib/nest.rb', line 110

def file_groups
  retrieve_sub( :file_group )
end

#file_path ⇒ Object 



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# File 'lib/nest.rb', line 47

def file_path
  base_path + '.yml'
end

#files ⇒ Object 



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# File 'lib/nest.rb', line 106

def files
  retrieve_sub( :object )
end

#index_path ⇒ Object 



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# File 'lib/nest.rb', line 43

def index_path
  File.join(base_path, 'index.yml')
end

#indexes ⇒ Object Also known as: indices 



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# File 'lib/nest.rb', line 96

def indexes
  retrieve_sub( :index )
end

#initialize(uri) ⇒ Object 



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# File 'lib/nest.rb', line 33

def initialize( uri )
  raise 'nest not mounted' unless self.class.mount_point
  @uri = sanitize( uri )
  raise 'invalid uri' unless valid?
end

#node_type ⇒ Object 



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# File 'lib/nest.rb', line 51

def node_type
  if File.file?(index_path)
                                  :index
  elsif File.file?(file_path)
                                  :file
  elsif File.file?(base_path)
                                  :object
  elsif File.directory?(base_path)
                                  :object_group
  else
                                  :error
  end
end

#parent ⇒ Object 



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# File 'lib/nest.rb', line 114

def parent
  raise 'parent not implemented'
end

#properties ⇒ Object 



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# File 'lib/nest.rb', line 80

def properties
  YAML.load_file data_path
end

#valid? ⇒ Boolean 



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# File 'lib/nest.rb', line 76

def valid?
  node_type != :error
end