Class: Warekky::Era

Inherits:
Object
  • Object
show all
Defined in:
lib/warekky/era.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, sign, first, last, options = {}) ⇒ Era 



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# File 'lib/warekky/era.rb', line 6

def initialize(key, sign, first, last, options = {})
  @key, @sign = key.to_sym, sign.to_s.freeze
  @first, @last = to_date(first), to_date(last)
  @options = (options || {}).freeze
end

Instance Attribute Details

#first ⇒ Object (readonly)

Returns the value of attribute first.



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# File 'lib/warekky/era.rb', line 5

def first
  @first
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/warekky/era.rb', line 5

def key
  @key
end

#last ⇒ Object (readonly)

Returns the value of attribute last.



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# File 'lib/warekky/era.rb', line 5

def last
  @last
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/warekky/era.rb', line 5

def options
  @options
end

#sign ⇒ Object (readonly)

Returns the value of attribute sign.



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# File 'lib/warekky/era.rb', line 5

def sign
  @sign
end

Instance Method Details

#[](option_key) ⇒ Object 



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# File 'lib/warekky/era.rb', line 21

def [](option_key)
  @options[option_key]
end

#match?(d) ⇒ Boolean 



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# File 'lib/warekky/era.rb', line 16

def match?(d)
  d = to_date(d)
  (@first ? @first <= d : true) && (@last ? @last >= d : true)
end

#name ⇒ Object 



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# File 'lib/warekky/era.rb', line 12

def name
  key.to_s
end

#to_ad_year(era_year) ⇒ Object 



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# File 'lib/warekky/era.rb', line 25

def to_ad_year(era_year)
  era_year = era_year.to_i
  @first.year - 1 + era_year
end

#to_era_year(ad_year) ⇒ Object 



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# File 'lib/warekky/era.rb', line 30

def to_era_year(ad_year)
  ad_year = ad_year.to_i
  ad_year - @first.year + 1
end