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Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
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Files
lib/phoenix/router/console_formatter.ex
defmodule Phoenix.Router.ConsoleFormatter do
@moduledoc false
@doc """
Format the routes for printing.
"""
def format(router, endpoint \\ nil) do
routes = Phoenix.Router.routes(router)
column_widths = calculate_column_widths(routes, endpoint)
routes
|> Enum.map_join("", &format_route(&1, column_widths))
|> Kernel.<>(format_endpoint(endpoint, column_widths))
end
defp format_endpoint(nil, _), do: ""
defp format_endpoint(endpoint, widths) do
case endpoint.__sockets__() do
[] -> ""
sockets ->
Enum.map_join(sockets, "", fn socket ->
format_websocket(socket, widths) <>
format_longpoll(socket, widths)
end)
end
end
defp format_websocket({_path, Phoenix.LiveReloader.Socket, _opts}, _), do: ""
defp format_websocket({path, module, opts}, widths) do
if opts[:websocket] != false do
{verb_len, path_len, route_name_len} = widths
String.pad_leading("websocket", route_name_len) <> " " <>
String.pad_trailing("WS", verb_len) <> " " <>
String.pad_trailing(path <> "/websocket", path_len) <> " " <>
inspect(module) <>
"\n"
else
""
end
end
defp format_longpoll({_path, Phoenix.LiveReloader.Socket, _opts}, _), do: ""
defp format_longpoll({path, module, opts}, widths) do
if opts[:longpoll] != false do
for method <- ["GET", "POST"], into: "" do
{verb_len, path_len, route_name_len} = widths
String.pad_leading("longpoll", route_name_len) <> " " <>
String.pad_trailing(method, verb_len) <> " " <>
String.pad_trailing(path <> "/longpoll", path_len) <> " " <>
inspect(module) <>
"\n"
end
else
""
end
end
defp calculate_column_widths(routes, endpoint) do
sockets = endpoint && endpoint.__sockets__() || []
widths =
Enum.reduce(routes, {0, 0, 0}, fn route, acc ->
%{verb: verb, path: path, helper: helper} = route
verb = verb_name(verb)
{verb_len, path_len, route_name_len} = acc
route_name = route_name(helper)
{max(verb_len, String.length(verb)),
max(path_len, String.length(path)),
max(route_name_len, String.length(route_name))}
end)
Enum.reduce(sockets, widths, fn {path, _mod, _opts}, acc ->
{verb_len, path_len, route_name_len} = acc
{verb_len,
max(path_len, String.length(path <> "/websocket")),
max(route_name_len, String.length("websocket"))}
end)
end
defp format_route(route, column_widths) do
%{verb: verb, path: path, plug: plug, plug_opts: plug_opts, helper: helper} = route
verb = verb_name(verb)
route_name = route_name(helper)
{verb_len, path_len, route_name_len} = column_widths
String.pad_leading(route_name, route_name_len) <> " " <>
String.pad_trailing(verb, verb_len) <> " " <>
String.pad_trailing(path, path_len) <> " " <>
"#{inspect(plug)} #{inspect(plug_opts)}\n"
end
defp route_name(nil), do: ""
defp route_name(name), do: name <> "_path"
defp verb_name(verb), do: verb |> to_string() |> String.upcase()
end