155 lines
3.4 KiB
Elixir
155 lines
3.4 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Emoji do
|
|
@moduledoc """
|
|
This GenServer stores in an ETS table the list of the loaded emojis,
|
|
and also allows to reload the list at runtime.
|
|
"""
|
|
use GenServer
|
|
|
|
alias Pleroma.Emoji.Combinations
|
|
alias Pleroma.Emoji.Loader
|
|
|
|
require Logger
|
|
|
|
@ets __MODULE__.Ets
|
|
@ets_options [
|
|
:ordered_set,
|
|
:protected,
|
|
:named_table,
|
|
{:read_concurrency, true}
|
|
]
|
|
|
|
defstruct [:code, :file, :tags, :safe_code, :safe_file]
|
|
|
|
@doc "Build emoji struct"
|
|
def build({code, file, tags}) do
|
|
%__MODULE__{
|
|
code: code,
|
|
file: file,
|
|
tags: tags,
|
|
safe_code: Pleroma.HTML.strip_tags(code),
|
|
safe_file: Pleroma.HTML.strip_tags(file)
|
|
}
|
|
end
|
|
|
|
def build({code, file}), do: build({code, file, []})
|
|
|
|
@doc false
|
|
def start_link(_) do
|
|
GenServer.start_link(__MODULE__, [], name: __MODULE__)
|
|
end
|
|
|
|
@doc "Reloads the emojis from disk."
|
|
@spec reload() :: :ok
|
|
def reload do
|
|
GenServer.call(__MODULE__, :reload)
|
|
end
|
|
|
|
@doc "Returns the path of the emoji `name`."
|
|
@spec get(String.t()) :: String.t() | nil
|
|
def get(name) do
|
|
case :ets.lookup(@ets, name) do
|
|
[{_, path}] -> path
|
|
_ -> nil
|
|
end
|
|
end
|
|
|
|
@spec exist?(String.t()) :: boolean()
|
|
def exist?(name), do: not is_nil(get(name))
|
|
|
|
@doc "Returns all the emojos!!"
|
|
@spec get_all() :: list({String.t(), String.t(), String.t()})
|
|
def get_all do
|
|
:ets.tab2list(@ets)
|
|
end
|
|
|
|
@doc "Clear out old emojis"
|
|
def clear_all, do: :ets.delete_all_objects(@ets)
|
|
|
|
@doc false
|
|
def init(_) do
|
|
@ets = :ets.new(@ets, @ets_options)
|
|
GenServer.cast(self(), :reload)
|
|
{:ok, nil}
|
|
end
|
|
|
|
@doc false
|
|
def handle_cast(:reload, state) do
|
|
update_emojis(Loader.load())
|
|
{:noreply, state}
|
|
end
|
|
|
|
@doc false
|
|
def handle_call(:reload, _from, state) do
|
|
update_emojis(Loader.load())
|
|
{:reply, :ok, state}
|
|
end
|
|
|
|
@doc false
|
|
def terminate(_, _) do
|
|
:ok
|
|
end
|
|
|
|
@doc false
|
|
def code_change(_old_vsn, state, _extra) do
|
|
update_emojis(Loader.load())
|
|
{:ok, state}
|
|
end
|
|
|
|
defp update_emojis(emojis) do
|
|
:ets.insert(@ets, emojis)
|
|
end
|
|
|
|
@external_resource "lib/pleroma/emoji-test.txt"
|
|
|
|
regional_indicators =
|
|
Enum.map(127_462..127_487, fn codepoint ->
|
|
<<codepoint::utf8>>
|
|
end)
|
|
|
|
emojis =
|
|
@external_resource
|
|
|> File.read!()
|
|
|> String.split("\n")
|
|
|> Enum.filter(fn line ->
|
|
line != "" and not String.starts_with?(line, "#") and
|
|
String.contains?(line, "fully-qualified")
|
|
end)
|
|
|> Enum.map(fn line ->
|
|
line
|
|
|> String.split(";", parts: 2)
|
|
|> hd()
|
|
|> String.trim()
|
|
|> String.split()
|
|
|> Enum.map(fn codepoint ->
|
|
<<String.to_integer(codepoint, 16)::utf8>>
|
|
end)
|
|
|> Enum.join()
|
|
end)
|
|
|> Enum.uniq()
|
|
|
|
emojis = emojis ++ regional_indicators
|
|
|
|
for emoji <- emojis do
|
|
def is_unicode_emoji?(unquote(emoji)), do: true
|
|
end
|
|
|
|
def is_unicode_emoji?(_), do: false
|
|
|
|
emoji_qualification_map =
|
|
emojis
|
|
|> Enum.filter(&String.contains?(&1, "\uFE0F"))
|
|
|> Combinations.variate_emoji_qualification()
|
|
|
|
for {qualified, unqualified_list} <- emoji_qualification_map do
|
|
for unqualified <- unqualified_list do
|
|
def fully_qualify_emoji(unquote(unqualified)), do: unquote(qualified)
|
|
end
|
|
end
|
|
|
|
def fully_qualify_emoji(emoji), do: emoji
|
|
end
|