Class: Coppertone::Modifier

Inherits:
Object
  • Object
show all
Defined in:
lib/coppertone/modifier.rb,
lib/coppertone/modifier/exp.rb,
lib/coppertone/modifier/base.rb,
lib/coppertone/modifier/unknown.rb,
lib/coppertone/modifier/redirect.rb

Overview

Instances of this class represent modifier terms, as defined by the SPF specification (see section 4.6.1).

Direct Known Subclasses

Base, Unknown

Defined Under Namespace

Classes: Base, Exp, Redirect, Unknown

Constant Summary collapse

MODIFIER_REGEXP = 
/\A([a-zA-Z]+[a-zA-Z0-9\-\_\.]*)=(\S*)\z/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(arguments) ⇒ Modifier

Returns a new instance of Modifier.



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# File 'lib/coppertone/modifier.rb', line 31

def initialize(arguments)
  @arguments = arguments
end

Instance Attribute Details

#arguments ⇒ Object (readonly)

Returns the value of attribute arguments.



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# File 'lib/coppertone/modifier.rb', line 30

def arguments
  @arguments
end

Class Method Details

.build(type, attributes) ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 9

def self.build(type, attributes)
  class_builder.build(type, attributes)
end

.build_unknown(type, attributes) ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 26

def self.build_unknown(type, attributes)
  Coppertone::Modifier::Unknown.new(type, attributes)
end

.class_builder ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 5

def self.class_builder
  @class_builder ||= ClassBuilder.new
end

.matching_term(text) ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 18

def self.matching_term(text)
  matches = MODIFIER_REGEXP.match(text)
  return nil unless matches
  type = matches[1]
  attributes = matches[2]
  build(type, attributes) || build_unknown(type, attributes)
end

.register(klass) ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 13

def self.register(klass)
  class_builder.register(klass.label, klass)
end

Instance Method Details

#label ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 35

def label
  self.class.label
end

#to_s ⇒ Object 



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# File 'lib/coppertone/modifier.rb', line 39

def to_s
  "#{label}=#{arguments}"
end