Inital commit

Author: moogle19

.formatter.exs

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+# Used by "mix format"
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.gitignore

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+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where third-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+excoding-*.tar
+
+# Temporary files, for example, from tests.
+/tmp/
+
+/priv/native/
+
+/native/*/target

README.md

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+# Excoding
+
+**TODO: Add description**
+
+## Installation
+
+If [available in Hex](https://hex.pm/docs/publish), the package can be installed
+by adding `excoding` to your list of dependencies in `mix.exs`:
+
+```elixir
+def deps do
+  [
+    {:excoding, "~> 0.1.0"}
+  ]
+end
+```
+
+Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
+and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
+be found at <https://hexdocs.pm/excoding>.
+

lib/excoding.ex

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+defmodule Excoding do
+  @moduledoc """
+  String encoding/decoding library with NIF binding to rust [endcoding]() crate.
+
+  Supported encodings:
+
+  * 7-bit strict ASCII (`ascii`)
+  * UTF-8 (`utf-8`)
+  * UTF-16 in little endian (`utf-16` or `utf-16le`) and big endian (`utf-16be`)
+  * All single byte encoding in WHATWG Encoding Standard:
+    * IBM code page `ibm-866`
+    * ISO 8859-{2,3,4,5,6,7,8,10,13,14,15,16}
+    * KOI8-R, KOI8-U
+    * MacRoman (`macintosh`), Macintosh Cyrillic encoding (`x-mac-cyrillic`)
+    * Windows code pages `windows-874`, `windows-1250`, `windows-1251`, `windows-1252`
+    (instead of ISO 8859-1), `windows-1253`, `windows-1254` (instead of ISO 8859-9),
+    `windows-1255`, `windows-1256`, `windows-1257`, `windows-1258`
+  * All multi byte encodings in WHATWG Encoding Standard:
+    * Windows code page `windows-949` (`euc-kr`, since the strict EUC-KR is hardly used)
+    * EUC-JP (`euc-jp`) and Windows code page `windows-932` (`shift_jis`, since it's the most widespread extension to Shift_JIS)
+    * ISO-2022-JP (`iso-2022-jp`) with asymmetric JIS X 0212 support (Note: this is not yet up to date to the current standard)
+    * GBK
+    * GB 18030
+    * Big5-2003 with HKSCS-2008 extensions
+  * Encodings that were originally specified by WHATWG Encoding Standard:
+    * HZ
+    * ISO 8859-1 (`iso-8859-1` distinct from Windows code page `windows-1255`)
+
+
+  ### Example
+
+      iex> Excoding.encode("¥₪ש", "windows-1255")
+      <<0xA5, 0xA4, 0xF9>>
+      iex> Excoding.decode(<<0xA5, 0xA4, 0xF9>>, "windows-1255")
+      "¥₪ש"
+  """
+  use Rustler,
+    otp_app: :excoding,
+    crate: "excoding",
+    mode: if(Mix.env() == :prod, do: :release, else: :debug)
+
+  @doc """
+  Encodes utf-8 string using given codepage. If there are any unknown codes they
+  will be converted into `?` in its place.
+  """
+  @spec encode(string :: binary, codepage :: binary) :: binary
+  def encode(_string, _codepage), do: error()
+
+  @doc """
+  Decodes given binary from given codepage into utf-8 string.
+  """
+  @spec decode(binary :: binary, codepage :: binary) :: binary
+  def decode(_binary, _codepage), do: error()
+
+  @doc false
+  def error(), do: :erlang.nif_error(:nif_not_loaded)
+end

mix.exs

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+defmodule Excoding.MixProject do
+  use Mix.Project
+
+  def project do
+    [
+      app: :excoding,
+      version: "0.1.0",
+      elixir: "~> 1.9",
+      start_permanent: Mix.env() == :prod,
+      deps: deps(),
+      description:
+        "String encoding/decoding NIF using rust [encoding](https://crates.io/crates/encoding) library",
+      package: package()
+    ]
+  end
+
+  # Run "mix help compile.app" to learn about applications.
+  def application do
+    [
+      extra_applications: [:rustler]
+    ]
+  end
+
+  # Run "mix help deps" to learn about dependencies.
+  defp deps do
+    [
+      {:rustler, "~> 0.25.0"},
+      {:rustler_precompiled, "~> 0.5"},
+      {:ex_doc, ">= 0.0.0", only: :dev, runtime: false}
+    ]
+  end
+
+  defp package do
+    [
+      name: "excoding",
+      maintainers: ["Kevin Seidel"],
+      licenses: ["MIT"],
+      links: %{"GitHub" => "https://github.com/moogle19/excoding"},
+      files: ~w(.formatter.exs mix.exs README.md lib native)
+    ]
+  end
+end

mix.lock

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+%{
+  "castore": {:hex, :castore, "0.1.17", "ba672681de4e51ed8ec1f74ed624d104c0db72742ea1a5e74edbc770c815182f", [:mix], [], "hexpm", "d9844227ed52d26e7519224525cb6868650c272d4a3d327ce3ca5570c12163f9"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.26", "f4291134583f373c7d8755566122908eb9662df4c4b63caa66a0eabe06569b0a", [:mix], [], "hexpm", "48d460899f8a0c52c5470676611c01f64f3337bad0b26ddab43648428d94aabc"},
+  "ex_doc": {:hex, :ex_doc, "0.28.4", "001a0ea6beac2f810f1abc3dbf4b123e9593eaa5f00dd13ded024eae7c523298", [:mix], [{:earmark_parser, "~> 1.4.19", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "bf85d003dd34911d89c8ddb8bda1a958af3471a274a4c2150a9c01c78ac3f8ed"},
+  "jason": {:hex, :jason, "1.3.0", "fa6b82a934feb176263ad2df0dbd91bf633d4a46ebfdffea0c8ae82953714946", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "53fc1f51255390e0ec7e50f9cb41e751c260d065dcba2bf0d08dc51a4002c2ac"},
+  "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.16.0", "f8c570a0d33f8039513fbccaf7108c5d750f47d8defd44088371191b76492b0b", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "28b2cbdc13960a46ae9a8858c4bebdec3c9a6d7b4b9e7f4ed1502f8159f338e7"},
+  "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.2.3", "244836e6e3f1200c7f30cb56733fd808744eca61fd182f731eac4af635cc6d0b", [:mix], [], "hexpm", "c8d789e39b9131acf7b99291e93dae60ab48ef14a7ee9d58c6964f59efb570b0"},
+  "rustler": {:hex, :rustler, "0.25.0", "32526b51af7e58a740f61941bf923486ce6415a91c3934cc16c281aa201a2240", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "6b43a11a37fe79c6234d88c4102ab5dfede7a6a764dc5c7b539956cfa02f3cf4"},
+  "rustler_precompiled": {:hex, :rustler_precompiled, "0.5.1", "93df423bd7b14b67dcacf994443d132d300623f80756974cac4febeab40af74a", [:mix], [{:castore, "~> 0.1", [hex: :castore, repo: "hexpm", optional: false]}, {:rustler, "~> 0.23", [hex: :rustler, repo: "hexpm", optional: true]}], "hexpm", "3f8cbc8e92eef4e1a71bf441b568b868b16a3730f63f5b803c68073017e30b13"},
+  "toml": {:hex, :toml, "0.6.2", "38f445df384a17e5d382befe30e3489112a48d3ba4c459e543f748c2f25dd4d1", [:mix], [], "hexpm", "d013e45126d74c0c26a38d31f5e8e9b83ea19fc752470feb9a86071ca5a672fa"},
+}

native/excoding/.cargo/config

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+[target.'cfg(target_os = "macos")']
+rustflags = [
+    "-C", "link-arg=-undefined",
+    "-C", "link-arg=dynamic_lookup",
+]

native/excoding/.gitignore

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+/target