Class: PublicSuffix::Rule::Exception

Inherits:
Base
  • Object
show all
Defined in:
lib/public_suffix/rule.rb

Overview

Exception represents an exception rule (e.g. !parliament.uk).

Instance Attribute Summary

Attributes inherited from Base

#private, #value

Instance Method Summary collapse

Methods inherited from Base

#==, #match?

Constructor Details

#initialize(definition, **options) ⇒ Exception

Initializes a new rule from definition.

The bang ! is removed from the value, as it’s common for each wildcard rule.



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# File 'lib/public_suffix/rule.rb', line 278

def initialize(definition, **options)
  super(definition.to_s[1..-1], **options)
end

Instance Method Details

#decompose(domain) ⇒ Array<String>

Decomposes the domain name according to rule properties.



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# File 'lib/public_suffix/rule.rb', line 293

def decompose(domain)
  suffix = parts.join('\.')
  matches = domain.to_s.match(/^(.*)\.(#{suffix})$/)
  matches ? matches[1..2] : [nil, nil]
end

#length ⇒ Integer

Gets the length of this rule for comparison, represented by the number of dot-separated parts in the rule.



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# File 'lib/public_suffix/rule.rb', line 316

def length
  @length ||= parts.length
end

#parts ⇒ Array<String>

dot-split rule value and returns all rule parts in the order they appear in the value. The leftmost label is not considered a label.

See publicsuffix.org/format/: If the prevailing rule is a exception rule, modify it by removing the leftmost label.



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# File 'lib/public_suffix/rule.rb', line 308

def parts
  @value.split(DOT)[1..-1]
end

#rule ⇒ String

Gets the original rule definition.



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# File 'lib/public_suffix/rule.rb', line 285

def rule
  BANG + value
end