1 files changed, 32 insertions, 0 deletions
diff --git a/lib/irc/parser/capabs.ex b/lib/irc/parser/capabs.ex
new file mode 100644
index 0000000..88bf017
--- /dev/null
+++ b/lib/irc/parser/capabs.ex
@@ -0,0 +1,32 @@
+defmodule Irc.Parser.Capabs do
+  @moduledoc "Helper to parse capability lists"
+
+  @spec parse(String.t) :: %{capab :: String.t => true | args :: Map.t}
+  def parse(string) do
+    string
+    |> String.split(" ")
+    |> Enum.map(&parse_capab/1)
+    |> Enum.into(Map.new)
+  end
+
+  defp parse_capab(string) do
+    case String.split(string, "=", parts: 2) do
+      [capab] ->
+        {capab, true}
+      [capab, args] ->
+        parse_capab_with_args(capab, args)
+    end
+  end
+
+  defp parse_capab_with_args(capab, args) do
+    args = args
+     |> String.split(",")
+     |> Map.reduce(%{}, fn(k_v, acc) ->
+        [k, v] = String.split(k_v, "=")
+        Map.put(acc, k, v)
+     end)
+    {capab, args}
+  end
+
+end
+