Module: Numeja

Defined in:

lib/numeja.rb,
lib/numeja/number.rb,
lib/numeja/version.rb

Defined Under Namespace

Classes: Number

Constant Summary

JA_大字 =

{
  '零' => '〇',
  '壱' => '一',
  '壹' => '一',
  '弌' => '一',
  '弐' => '二',
  '貳' => '二',
  '參' => '三',
  '貮' => '二',
  '弎' => '三',
  '参' => '三',
  '肆' => '四',
  '伍' => '五',
  '陸' => '六',
  '柒' => '七',
  '漆' => '七',
  '捌' => '八',
  '玖' => '九',
  '拾' => '十',
  '廿' => '二十',
  '卄' => '二十',
  '卅' => '三十',
  '丗' => '三十',
  '卌' => '四十',
  '陌' => '百',
  '佰' => '百',
  '阡' => '千',
  '仟' => '千',
  '萬' => '万'
}.freeze

JA_数字 =

{
  '〇' => 0,
  '一' => 1,
  '二' => 2,
  '三' => 3,
  '四' => 4,
  '五' => 5,
  '六' => 6,
  '七' => 7,
  '八' => 8,
  '九' => 9
}.freeze

JA_下数 =

{
  '十' => 10 ** 1,
  '百' => 10 ** 2,
  '千' => 10 ** 3
}.freeze

JA_上数 =

{
  '万' => 10 ** 4,
  '億' => 10 ** 8,
  '兆' => 10 ** 12,
  '京' => 10 ** 16,
  #  '垓': 10 ** 20,
  #  '秭': 10 ** 24,
  #  '𥝱': 10 ** 24,
  #  '穰': 10 ** 28,
  #  '溝': 10 ** 32,
  #  '澗': 10 ** 36,
  #  '正': 10 ** 40,
  #  '載': 10 ** 44,
  #  '極': 10 ** 48,
  #  '恒河沙': 10 ** 52,
  #  '阿僧祇': 10 ** 56,
  #  '那由他': 10 ** 60,
  #  '不可思議': 10 ** 64,
  #  '無量大数': 10 ** 68
}.freeze

JA_小数 =

{
  '分' => 10 ** -1,
  '厘' => 10 ** -2,
  '毛' => 10 ** -3,
  '糸' => 10 ** -4,
  '忽' => 10 ** -5,
  '微' => 10 ** -6,
  '繊' => 10 ** -7,
  '沙' => 10 ** -8,
  '塵' => 10 ** -9,
  '埃' => 10 ** -10
}.freeze

JA_割合用小数 =

{
  '割' => 10 ** -1,
  '分' => 10 ** -2,
  '厘' => 10 ** -3,
  '毛' => 10 ** -4,
  '糸' => 10 ** -5,
  '忽' => 10 ** -6,
  '微' => 10 ** -7,
  '繊' => 10 ** -8,
  '沙' => 10 ** -9,
  '塵' => 10 ** -10
}.freeze

REGEXP_旧字 =

Regexp.new(Numeja::JA_大字.keys.join('|').to_s, 'g').freeze

REGEXP_数字 =

Regexp.new(Numeja::JA_数字.keys.join('|').to_s, 'g').freeze

VERSION =

'0.1.0'.freeze

Class Method Summary

• .numerize(str) ⇒ Integer, Float

  Return a numeric of the parsed japanese numerals string.

Class Method Details

.numerize(str) ⇒ Integer, Float

Return a numeric of the parsed japanese numerals string

Examples:

require 'numeja'

Numeja.numerize('二千三百八十一億九千四百八十七万六千三百十一') =>  238_194_876_311
Numeja.numerize('弐阡參佰捌拾壱億九千四百八十七万六千三百十一') =>  238_194_876_311
Numeja.numerize('9876億5432万1千2百3十4') => 987_654_321_234)
Numeja.numerize('９８７６億５４３２万１千２百３十４') => 987_654_321_234
Numeja.numerize('玖阡捌陌漆拾陸億伍仟肆佰參十貳万壹千弐百卅４') => 987_654_321_234
Numeja.numerize('５０５') => 505
Numeja.numerize('九八七六五四三二一零') => 9_876_543_210
Numeja.numerize('九分八厘七毛六糸五忽四微三繊二沙零塵一埃') => 0.9876543201
Numeja.numerize('九割八分七厘六毛五糸四忽三微二繊零沙一塵') => 0.9876543201
Numeja.numerize('二分の一') => 0.5
Numeja.numerize('三分の一') => 0.33333333333...

Parameters:

• input (String) —

  Japanese numerals(KanSuuji)

Returns:

• (Integer, Float) —

  the parsed Japanese numerals

Since:

• 0.0.1

# File 'lib/numeja.rb', line 128

def numerize(str)
  if str.index('分の').nil?
    Numeja::Number.new(str)
  else
    denominator, molecule = str.split('分の').map { |s| Numeja::Number.new(s) }
    molecule.to_f / denominator.to_f
  end
end