Pleroma/lib/pleroma/docs/generator.ex
2020-01-10 15:51:59 +03:00

114 lines
3.0 KiB
Elixir

defmodule Pleroma.Docs.Generator do
@callback process(keyword()) :: {:ok, String.t()}
@spec process(module(), keyword()) :: {:ok, String.t()}
def process(implementation, descriptions) do
implementation.process(descriptions)
end
@spec list_modules_in_dir(String.t(), String.t()) :: [module()]
def list_modules_in_dir(dir, start) do
with {:ok, files} <- File.ls(dir) do
files
|> Enum.filter(&String.ends_with?(&1, ".ex"))
|> Enum.map(fn filename ->
module = filename |> String.trim_trailing(".ex") |> Macro.camelize()
String.to_existing_atom(start <> module)
end)
end
end
@doc """
Converts:
- atoms to strings with leading `:`
- module names to strings, without leading `Elixir.`
- add humanized labels to `keys` if label is not defined, e.g. `:instance` -> `Instance`
"""
@spec convert_to_strings([map()]) :: [map()]
def convert_to_strings(descriptions) do
Enum.map(descriptions, &format_entity(&1))
end
defp format_entity(entity) do
entity
|> format_key()
|> Map.put(:group, atom_to_string(entity[:group]))
|> format_children()
end
defp format_key(%{key: key} = entity) do
entity
|> Map.put(:key, atom_to_string(key))
|> Map.put(:label, entity[:label] || humanize(key))
end
defp format_key(%{group: group} = entity) do
Map.put(entity, :label, entity[:label] || humanize(group))
end
defp format_key(entity), do: entity
defp format_children(%{children: children} = entity) do
Map.put(entity, :children, Enum.map(children, &format_child(&1)))
end
defp format_children(entity), do: entity
defp format_child(%{suggestions: suggestions} = entity) do
entity
|> Map.put(:suggestions, format_suggestions(suggestions))
|> format_key()
|> format_children()
end
defp format_child(entity) do
entity
|> format_key()
|> format_children()
end
defp atom_to_string(entity) when is_binary(entity), do: entity
defp atom_to_string(entity) when is_atom(entity), do: inspect(entity)
defp humanize(entity) do
string = inspect(entity)
if String.starts_with?(string, ":"),
do: Phoenix.Naming.humanize(entity),
else: string
end
defp format_suggestions([]), do: []
defp format_suggestions([suggestion | tail]) do
[format_suggestion(suggestion) | format_suggestions(tail)]
end
defp format_suggestion(entity) when is_atom(entity) do
atom_to_string(entity)
end
defp format_suggestion([head | tail] = entity) when is_list(entity) do
[format_suggestion(head) | format_suggestions(tail)]
end
defp format_suggestion(entity) when is_tuple(entity) do
format_suggestions(Tuple.to_list(entity)) |> List.to_tuple()
end
defp format_suggestion(entity), do: entity
end
defimpl Jason.Encoder, for: Tuple do
def encode(tuple, opts), do: Jason.Encode.list(Tuple.to_list(tuple), opts)
end
defimpl Jason.Encoder, for: [Regex, Function] do
def encode(term, opts), do: Jason.Encode.string(inspect(term), opts)
end
defimpl String.Chars, for: Regex do
def to_string(term), do: inspect(term)
end