46 lines
1.1 KiB
Elixir
46 lines
1.1 KiB
Elixir
defmodule Dotzip do
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@moduledoc """
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Elixir Implementation of ZIP File Format.
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"""
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def decode(data) do
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{:ok, local, rest} = Dotzip.LocalFileHeader.decode(data)
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{:ok, central, r} = Dotzip.CentralDirectoryHeader.decode(rest)
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{:ok, e, rr} = Dotzip.EndCentralDirectory.decode(r)
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{local, central, e, rr}
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end
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def decode_file(file) do
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{:ok, data} = :file.read_file(file)
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decode(data)
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end
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def encode(data) do
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{:error, :not_supported}
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end
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def encode_file(_file) do
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{:error, :not_supported}
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end
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def end_central_directory?(<<signature::binary-size(4), _::bitstring>>) do
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end_central_directory = Dotzip.EndCentralDirectory.signature()
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signature == end_central_directory
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end
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def central_directory_header?(<<signature::binary-size(4), _::bitstring>>) do
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central_directory_header = Dotzip.CentralDirectoryHeader.signature()
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signature == central_directory_header
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end
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def local_file_header?(<<signature::binary-size(4), _::bitstring>>) do
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local_file_header = Dotzip.LocalFileHeader.signature()
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signature == local_file_header
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end
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end
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