Module: OldKana

Included in:
String
Defined in:
lib/old_kana.rb,
lib/old_kana/version.rb

Constant Summary collapse

OLD_KANA_TO_GENDAI_KANA = 
{ "は" => "わ", "ひ" => "い", "ふ" => "う", "へ" => "え", "ほ" => "お", "ゐ" => "い", "ゑ" => "え",
"ぢ" => "じ", "づ" => "ず" }
VERSION = 
"0.1.0"

Instance Method Summary collapse

Instance Method Details

#to_gendaikana ⇒ Object 



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# File 'lib/old_kana.rb', line 11

def to_gendaikana
  replaced = gsub(/(?<!^)[はひふへほ]/) { |old_kana| OLD_KANA_TO_GENDAI_KANA[old_kana] }
             .gsub(/[ゐゑぢづ]/) { |old_kana| OLD_KANA_TO_GENDAI_KANA[old_kana] }
             .gsub(/\bを\b/, "お")
             .gsub(/くわ/, "か")
             .gsub(/ぐわ/, "が")
             .gsub(/(?<!^)む/, "ん")

  replaced.to_roman
          .gsub(/shi/, "si")
          .gsub(/au/, "ou")
          .gsub(/iu/, "yuu")
          .gsub(/eu|ehu/, "you")
          .roman_to_hiragana
          .tr("n", "ん")
end