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Elixir
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2020-06-07 17:00:56 +03:00
defmodule Localizator.Translitor.UK do
@moduledoc """
Translit module for Ukrainian language.
"""
@locale "uk"
@table %{
"А" => "A",
"Б" => "B",
"В" => "V",
"Г" => "H",
"Ґ" => "G",
"Д" => "D",
"Е" => "E",
"Є" => "Ye",
"Ж" => "Zh",
"З" => "Z",
"И" => "Y",
"І" => "I",
"Ї" => "Yi",
"Й" => "Y",
"К" => "K",
"Л" => "L",
"М" => "M",
"Н" => "N",
"О" => "O",
"П" => "P",
"Р" => "R",
"С" => "S",
"Т" => "T",
"У" => "U",
"Ф" => "F",
"Х" => "Kh",
"Ц" => "Ts",
"Ч" => "Ch",
"Ш" => "Sh",
"Щ" => "Shch",
"Ю" => "Yu",
"Я" => "Ya",
"а" => "a",
"б" => "b",
"в" => "v",
"г" => "h",
"ґ" => "g",
"д" => "d",
"е" => "e",
"є" => "ie",
"ж" => "zh",
"з" => "z",
"и" => "y",
"і" => "i",
"ї" => "i",
"й" => "i",
"к" => "k",
"л" => "l",
"м" => "m",
"н" => "n",
"о" => "o",
"п" => "p",
"р" => "r",
"с" => "s",
"т" => "t",
"у" => "u",
"ф" => "f",
"х" => "kh",
"ц" => "ts",
"ч" => "ch",
"ш" => "sh",
"щ" => "shch",
"ю" => "iu",
"я" => "ia"
}
@typedoc """
Plain Text
"""
@type text :: String.t()
@typedoc """
Locale
"""
@type locale :: String.t()
@behaviour Localizator.Translitor.Base
@impl true
@spec locale() :: {:ok, locale}
def locale(), do: @locale
@doc """
A ukrainian to english transliteration
## Example
``elixir
iex> Localizator.Translitor.UK.convert("Данило Негрієнко")
"Danylo Nehriienko"
``
"""
@impl true
@spec convert(text) :: text
def convert(text) when is_binary(text) do
text
|> String.graphemes()
|> Enum.reduce([], &convert_letter/2)
|> Enum.join()
end
# special case for "Зг", that should be mapped as "zgh"
defp convert_letter(letter, [last_letter] = acc)
when letter in ~w(Г г) and last_letter in ~w(z Z) do
acc ++ [convert_gh(letter)]
end
# special case for "зг", that should be mapped as "zgh"
defp convert_letter(letter, acc) when letter in ~w(Г г) do
case List.last(acc) do
last_letter when last_letter in ~w(z Z) -> acc ++ [convert_gh(letter)]
_ -> acc ++ [convert_letter(letter)]
end
end
defp convert_letter(letter, acc) do
acc ++ [convert_letter(letter)]
end
defp convert_letter(" "), do: " "
defp convert_letter("ь"), do: ""
defp convert_letter("Ь"), do: ""
defp convert_letter("'"), do: ""
defp convert_letter(""), do: ""
defp convert_letter(letter) do
case Map.get(@table, letter) do
nil -> letter
latin -> latin
end
end
defp convert_gh("Г"), do: "Gh"
defp convert_gh("г"), do: "gh"
end