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tzdata
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Tzdata is a parser and library for the tz database.
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lib/tzdata/basic_data_map.ex
defmodule Tzdata.BasicDataMap do
@moduledoc false
alias Tzdata.Parser
alias Tzdata.ParserOrganizer, as: Organizer
@file_names ~w(africa antarctica asia australasia backward etcetera europe northamerica pacificnew southamerica)s
def from_files_in_dir(dir_name) do
Enum.map(@file_names, fn file_name -> {String.to_atom(file_name), Parser.read_file(file_name, dir_name)} end)
|> make_map
end
def make_map(all_files_read) do
all_files_flattened = all_files_read |> Enum.map(fn {_name, read_file} -> read_file end) |> List.flatten
rules = Organizer.rules(all_files_flattened)
zones = Organizer.zones(all_files_flattened)
links = Organizer.links(all_files_flattened)
zone_list = Organizer.zone_list(all_files_flattened)
link_list = Organizer.link_list(all_files_flattened)
zone_and_link_list = Organizer.zone_and_link_list(all_files_flattened)
by_group = all_files_read
|> Enum.map(fn {name, file_read} -> {name, Organizer.zone_and_link_list(file_read)} end)
|> Enum.into(Map.new)
{:ok,
%{rules: rules,
zones: zones,
links: links,
zone_list: zone_list,
link_list: link_list,
zone_and_link_list: zone_and_link_list,
by_group: by_group,
}
}
end
end