Class: EacRubyUtils::ObjectsTable

Inherits:
Object
  • Object
show all
Defined in:
lib/eac_ruby_utils/objects_table.rb

Defined Under Namespace

Classes: BY_PARSER_PARSED_STRUCT

Constant Summary collapse

BY_PARSER = 
::EacRubyUtils::RegexpParser.new(/\Aby_([^!\?]+)(!)?\z/) do |m|
  BY_PARSER_PARSED_STRUCT.new(m[1], "by_attribute#{'!' if m[2].present?}")
end

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *arguments, &block) ⇒ Object 



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# File 'lib/eac_ruby_utils/objects_table.rb', line 33

def method_missing(method_name, *arguments, &block)
  if (parsed = BY_PARSER.parse(method_name))
    return send(parsed.method_name, parsed.attribute, *arguments, &block)
  end

  super
end

Instance Method Details

#by_attribute(name, value) ⇒ Object?

Parameters:

Returns:



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# File 'lib/eac_ruby_utils/objects_table.rb', line 17

def by_attribute(name, value)
  objects.find { |e| e.send(name) == value }
end

#by_attribute!(name, value) ⇒ Object

Parameters:

Returns:



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# File 'lib/eac_ruby_utils/objects_table.rb', line 24

def by_attribute!(name, value)
  by_attribute(name, value) ||
    raise(::ArgumentError, "No item found with attribute #{name}=#{value}")
end

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

Returns:



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# File 'lib/eac_ruby_utils/objects_table.rb', line 29

def respond_to_missing?(method_name, include_private = false)
  super || BY_PARSER.parse?(method_name)
end