136 lines
3.8 KiB
Elixir
136 lines
3.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Docs.Generator do
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@callback process(keyword()) :: {:ok, String.t()}
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@spec process(module(), keyword()) :: {:ok, String.t()}
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def process(implementation, descriptions) do
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implementation.process(descriptions)
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end
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@spec list_behaviour_implementations(behaviour :: module()) :: [module()]
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def list_behaviour_implementations(behaviour) do
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:code.all_loaded()
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|> Enum.filter(fn {module, _} ->
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# This shouldn't be needed as all modules are expected to have module_info/1,
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# but in test enviroments some transient modules `:elixir_compiler_XX`
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# are loaded for some reason (where XX is a random integer).
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if function_exported?(module, :module_info, 1) do
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module.module_info(:attributes)
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|> Keyword.get_values(:behaviour)
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|> List.flatten()
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|> Enum.member?(behaviour)
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end
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end)
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|> Enum.map(fn {module, _} -> module end)
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end
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@doc """
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Converts:
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- atoms to strings with leading `:`
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- module names to strings, without leading `Elixir.`
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- add humanized labels to `keys` if label is not defined, e.g. `:instance` -> `Instance`
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"""
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@spec convert_to_strings([map()]) :: [map()]
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def convert_to_strings(descriptions) do
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Enum.map(descriptions, &format_entity(&1))
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end
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defp format_entity(entity) do
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entity
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|> format_key()
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|> Map.put(:group, atom_to_string(entity[:group]))
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|> format_children()
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end
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defp format_key(%{key: key} = entity) do
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entity
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|> Map.put(:key, atom_to_string(key))
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|> Map.put(:label, entity[:label] || humanize(key))
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end
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defp format_key(%{group: group} = entity) do
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Map.put(entity, :label, entity[:label] || humanize(group))
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end
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defp format_key(entity), do: entity
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defp format_children(%{children: children} = entity) do
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Map.put(entity, :children, Enum.map(children, &format_child(&1)))
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end
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defp format_children(entity), do: entity
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defp format_child(%{suggestions: suggestions} = entity) do
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entity
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|> Map.put(:suggestions, format_suggestions(suggestions))
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|> format_key()
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|> format_group()
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|> format_children()
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end
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defp format_child(entity) do
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entity
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|> format_key()
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|> format_group()
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|> format_children()
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end
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defp format_group(%{group: group} = entity) do
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Map.put(entity, :group, format_suggestion(group))
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end
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defp format_group(entity), do: entity
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defp atom_to_string(entity) when is_binary(entity), do: entity
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defp atom_to_string(entity) when is_atom(entity), do: inspect(entity)
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defp humanize(entity) do
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string = inspect(entity)
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if String.starts_with?(string, ":"),
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do: Phoenix.Naming.humanize(entity),
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else: string
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end
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defp format_suggestions({:list_behaviour_implementations, behaviour}) do
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behaviour
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|> list_behaviour_implementations()
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|> format_suggestions()
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end
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defp format_suggestions([]), do: []
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defp format_suggestions([suggestion | tail]) do
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[format_suggestion(suggestion) | format_suggestions(tail)]
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end
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defp format_suggestion(entity) when is_atom(entity) do
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atom_to_string(entity)
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end
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defp format_suggestion([head | tail] = entity) when is_list(entity) do
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[format_suggestion(head) | format_suggestions(tail)]
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end
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defp format_suggestion(entity) when is_tuple(entity) do
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format_suggestions(Tuple.to_list(entity)) |> List.to_tuple()
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end
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defp format_suggestion(entity), do: entity
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end
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defimpl Jason.Encoder, for: Tuple do
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def encode(tuple, opts), do: Jason.Encode.list(Tuple.to_list(tuple), opts)
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end
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defimpl Jason.Encoder, for: [Regex, Function] do
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def encode(term, opts), do: Jason.Encode.string(inspect(term), opts)
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end
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defimpl String.Chars, for: Regex do
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def to_string(term), do: inspect(term)
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end
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