Current section

Files

Jump to
ex_cldr_numbers lib backend symbol.ex
Raw

lib/backend/symbol.ex

defmodule Cldr.Number.Backend.Symbol do
@moduledoc false
def define_number_module(config) do
module = inspect(__MODULE__)
backend = config.backend
config = Macro.escape(config)
quote location: :keep, bind_quoted: [module: module, backend: backend, config: config] do
defmodule Number.Symbol do
@doc """
Returns a map of `Cldr.Number.Symbol.t` structs of the number symbols for each
of the number systems of a locale.
## Options
* `locale` is any valid locale name returned by `#{inspect(backend)}.known_locale_names/0`
or a `Cldr.LanguageTag` struct returned by `#{inspect(backend)}.Locale.new!/`. The
default is `#{inspect(backend)}.get_locale/0`.
## Example:
iex> #{inspect(__MODULE__)}.number_symbols_for("th")
{:ok, %{
latn: %Cldr.Number.Symbol{
decimal: ".",
exponential: "E",
group: ",",
infinity: "∞",
list: ";",
minus_sign: "-",
nan: "NaN",
per_mille: "‰",
percent_sign: "%",
plus_sign: "+",
superscripting_exponent: "×",
time_separator: ":"
},
thai: %Cldr.Number.Symbol{
decimal: ".",
exponential: "E",
group: ",",
infinity: "∞",
list: ";",
minus_sign: "-",
nan: "NaN",
per_mille: "‰",
percent_sign: "%",
plus_sign: "+",
superscripting_exponent: "×",
time_separator: ":"
}
}}
"""
@spec number_symbols_for(LanguageTag.t() | Locale.locale_name()) :: Keyword.t()
def number_symbols_for(locale \\ unquote(backend).get_locale())
for locale <- Cldr.Config.known_locale_names(config) do
symbols =
locale
|> Cldr.Config.get_locale(config)
|> Map.get(:number_symbols)
|> Enum.map(fn
{k, nil} -> {k, nil}
{k, v} -> {k, struct(Cldr.Number.Symbol, v)}
end)
|> Enum.into(%{})
def number_symbols_for(%LanguageTag{cldr_locale_name: unquote(locale)}) do
{:ok, unquote(Macro.escape(symbols))}
end
end
def number_symbols_for(locale, number_system) do
with {:ok, system_name} <-
unquote(backend).Number.System.system_name_from(number_system, locale),
{:ok, symbols} <- number_symbols_for(locale) do
symbols
|> Map.get(system_name)
|> Cldr.Number.Symbol.symbols_return(locale, number_system)
end
end
def number_symbols_for(locale_name) when is_binary(locale_name) do
with {:ok, locale} <- unquote(backend).validate_locale(locale_name) do
number_symbols_for(locale)
end
end
def number_symbols_for(locale) do
{:error, Cldr.Locale.locale_error(locale)}
end
end
end
end
end