Current section

Files

Jump to
surgex lib surgex parser parsers integer_parser.ex
Raw

lib/surgex/parser/parsers/integer_parser.ex

defmodule Surgex.Parser.IntegerParser do
@moduledoc false
def call(input, opts \\ [])
def call(nil, _opts), do: {:ok, nil}
def call(input, opts) when is_binary(input) do
min = Keyword.get(opts, :min)
max = Keyword.get(opts, :max)
case Integer.parse(input) do
{int, ""} when (is_integer(min) and int < min) or (is_integer(max) and int > max) ->
{:error, :out_of_range}
{int, ""} ->
{:ok, int}
_ ->
{:error, :invalid_integer}
end
end
end