Class: Browser::AcceptLanguage

Inherits:
Object
  • Object
show all
Defined in:
lib/browser/accept_language.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(part) ⇒ AcceptLanguage

Returns a new instance of AcceptLanguage.



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# File 'lib/browser/accept_language.rb', line 22

def initialize(part)
  @part = part
end

Instance Attribute Details

#part ⇒ Object (readonly)

Returns the value of attribute part.



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# File 'lib/browser/accept_language.rb', line 20

def part
  @part
end

Class Method Details

.languages ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 5

def self.languages
  @languages ||= YAML.load_file(Browser.root.join("languages.yml"))
end

.parse(accept_language) ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 9

def self.parse(accept_language)
  return [] unless accept_language

  accept_language
    .split(",")
    .map {|string| string.squeeze(" ").strip }
    .map {|part| new(part) }
    .reject {|al| al.quality.zero? }
    .sort_by.with_index {|al, idx| [-al.quality, idx] }
end

Instance Method Details

#code ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 34

def code
  @code ||= begin
    code = part[/\A([^-;]+)/, 1]
    code&.downcase
  end
end

#full ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 26

def full
  @full ||= [code, region].compact.join("-")
end

#name ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 30

def name
  self.class.languages[full] || self.class.languages[code]
end

#quality ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 48

def quality
  @quality ||= begin
    Float(quality_value || 1.0)
  rescue ArgumentError
    0.1
  end
end

#region ⇒ Object 



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# File 'lib/browser/accept_language.rb', line 41

def region
  @region ||= begin
    region = part[/\A(?:.*?)-([^;-]+)/, 1]
    region&.upcase
  end
end