Class: PennMARC::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/pennmarc/parser.rb

Overview

Access point for magic calls to helper methods

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, record, *opts) ⇒ Object

Call helper class methods, passing along additional arguments as needed, e.g.: #title_show -> PennMARC::Title.show #subject_facet -> PennMARC::Subject.facet

Parameters:

  • name (Symbol)
  • record (MARC::Record)
  • opts (Array)

Raises:

  • (NoMethodError) 


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# File 'lib/pennmarc/parser.rb', line 32

def method_missing(name, record, *opts)
  helper, method_name = parse_call(name)
  raise NoMethodError unless helper && method_name

  helper_klass = "PennMARC::#{helper.titleize}".constantize
  if opts.any?
    helper_klass.public_send(method_name, record, **opts.first)
  else
    helper_klass.public_send(method_name, record)
  end
end

Instance Method Details

#respond_to_missing?(name, include_private = false) ⇒ Boolean

Allow calls to ‘respond_to?` on parser instances to respond accurately by checking helper classes

Parameters:

  • name (String, Symbol)

Returns:

  • (Boolean) 


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# File 'lib/pennmarc/parser.rb', line 17

def respond_to_missing?(name, include_private = false)
  helper, method_name = parse_call(name)
  begin
    "PennMARC::#{helper}".constantize.respond_to?(method_name)
  rescue NameError
    super # Helper is not defined, so check self
  end
end