Class: When::CalendarTypes::ReformVariation

Inherits:
Christian show all
Defined in:
lib/when_exe/region/christian.rb

Overview

Variation of Christian Calendar

Direct Known Subclasses

Gregorian, RevisedJulian

Constant Summary

Constants included from When::Coordinates

When::Coordinates::Bahai, When::Coordinates::Chinese, When::Coordinates::Common, When::Coordinates::DefaultDateIndices, When::Coordinates::DefaultDayIndex, When::Coordinates::DefaultTimeIndices, When::Coordinates::Indian, When::Coordinates::Iranian, When::Coordinates::Javanese, When::Coordinates::LocationTable, When::Coordinates::MATCH, When::Coordinates::Mayan, When::Coordinates::PERIOD, When::Coordinates::PERIOD_NAME, When::Coordinates::PRECISION, When::Coordinates::PRECISION_NAME, When::Coordinates::Russian, When::Coordinates::Tibetan, When::Coordinates::VALUE, When::Coordinates::Yi

Constants included from Namespace

Namespace::DC, Namespace::DCQ, Namespace::DCT, Namespace::FOAF, Namespace::OWL, Namespace::RDF, Namespace::RDFC, Namespace::RDFS, Namespace::RSS, Namespace::XSD

Instance Attribute Summary

Attributes inherited from TM::Calendar

#epoch_in_CE, #reference_frame, #time_basis

Attributes inherited from TM::ReferenceSystem

#domain_of_validity, #position

Attributes inherited from BasicTypes::Object

#label

Attributes included from Parts::Resource

#child, #keys, #locale, #namespace

Instance Method Summary collapse

Methods inherited from TM::Calendar

#_new_month_, _setup_, #_to_month_number_, #date_trans, #jul_trans, #rate_of_clock, #strftime, #time_standard, #to_cal_date, #to_julian_date, #to_universal_time

Methods included from When::Coordinates

to_deg, to_deg_225, to_dms

Methods inherited from TM::ReferenceSystem

#domain, #name

Methods included from Parts::Resource

#[], #^, _instance, _setup_, _setup_info, base_uri, #each, #enum_for, #hierarchy, #include?, #included?, #iri, #leaf?, #m17n, #map, #parent, #registered?, root_dir

Methods included from Parts::Resource::Pool

#[], #[]=, #_setup_

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class When::Parts::Resource

Instance Method Details

#_coordinates_to_number(y, m, d) ⇒ Object

年月日 -> 通日

See Also:



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# File 'lib/when_exe/region/christian.rb', line 244

def _coordinates_to_number(y,m,d)
  super - _diff_from_century(((m < 2) ? +y-1 : +y).to_i.div(100))
end

#_length(date) ⇒ Object

暦要素数

See Also:



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# File 'lib/when_exe/region/christian.rb', line 260

def _length(date)
  yy, mm = date
  return super unless mm == 1 # ２月でなければユリウス暦と同じ
  cc, yy = yy.divmod(100)
  return super unless yy == 0 # 100で割り切れない年はユリウス暦と同じ
  29 - (_diff_from_century(cc) - _diff_from_century(cc-1))
end

#_lunar_equation(year) ⇒ Integer

Note:

太陽暦日の補正も、本メソッドで行う

太陰方程式

Parameters:

  • year (Numeric) —

    西暦の年数

Returns:

  • (Integer) —

    19年7閏のペースに対する満月の日付の補正量



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# File 'lib/when_exe/region/christian.rb', line 274

def _lunar_equation(year)
  h = +year.div(100)
  (8*(h+11)).div(25) - (_diff_from_century(h) + 5)
end

#_number_to_coordinates(jdn) ⇒ Object

通日 - > 年月日

See Also:



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# File 'lib/when_exe/region/christian.rb', line 252

def _number_to_coordinates(jdn)
  super(jdn + _diff_from_century(_century_from_jdn(jdn)))
end