public static bool TryParse(string input, out IEmoji result)
{
result = null;
if (LocalCustomEmoji.TryParse(input, out var emoji))
{
result = emoji;
return(true);
}
var utf32 = Encoding.UTF32.GetBytes(input);
for (var i = 0; i < utf32.Length; i += 4)
{
var codepoint = BitConverter.ToInt32(utf32, i);
var any = false;
for (var j = 0; j < CodePoints.Length; j++)
{
if (CodePoints[j] == codepoint)
{
any = true;
break;
}
}
if (!any)
{
return(false);
}
}
result = new LocalEmoji(input);
return(true);
}
ParseAsync(Parameter parameter, string value, CommandContext context)
{
if (LocalCustomEmoji.TryParse(value, out var localCustomEmoji))
{
return(TypeParserResult <IEmoji> .Successful(localCustomEmoji));
}
if (emojis == null)
{
await Locker.WaitAsync();
try
{
await GetEmojis();
}
finally
{
Locker.Release();
}
}
var match = emojis.FirstOrDefault(x => x.Surrogates == value ||
x.NamesWithColons.Any(n => n.Equals(value, System.StringComparison.OrdinalIgnoreCase)) ||
x.Names.Any(n => n.Equals(value, System.StringComparison.OrdinalIgnoreCase)));
if (match != null)
{
var localEmoji = new LocalEmoji(match.Surrogates);
return(TypeParserResult <IEmoji> .Successful(localEmoji));
}
return(TypeParserResult <IEmoji> .Unsuccessful("Invalid custom emoji format."));
}
public override ValueTask <CheckResult> CheckAsync(object argument, CommandContext ctx)
{
var context = (AdminCommandContext)ctx;
return(!LocalCustomEmoji.TryParse(((IEmoji)argument).MessageFormat, out _)
? CheckResult.Unsuccessful(context.Localize("require_custom_emoji"))
: CheckResult.Successful);
}
/// <inheritdoc/>
public override ValueTask <TypeParserResult <ICustomEmoji> > ParseAsync(Parameter parameter, string value, DiscordCommandContext context)
{
if (LocalCustomEmoji.TryParse(value, out var emoji))
{
return(Success(emoji));
}
return(Failure("Invalid custom emoji."));
}
public ButtonAttribute(string emoji)
{
if (emoji == null)
{
throw new ArgumentNullException(nameof(emoji));
}
Emoji = LocalCustomEmoji.TryParse(emoji, out var customEmoji)
? customEmoji as IEmoji
: new LocalEmoji(emoji);
}
/// <inheritdoc/>
public override ValueTask <TypeParserResult <IGuildEmoji> > ParseAsync(Parameter parameter, string value, DiscordGuildCommandContext context)
{
if (LocalCustomEmoji.TryParse(value, out var emoji))
{
if (context.Guild.Emojis.TryGetValue(emoji.Id, out var guildEmoji))
{
return(Success(guildEmoji));
}
return(Failure("The provided custom emoji is not from this guild."));
}
return(Failure("Invalid custom emoji."));
}
private async Task <ICustomEmoji> GetEmojiAsync(string value)
{
if (LocalCustomEmoji.TryParse(value, out var emoji))
{
return(Context.Guild !.Emojis.FirstOrDefault(x => x.Value.Id == emoji.Id).Value
?? (ICustomEmoji)await Context.Guild !.GetEmojiAsync(emoji.Id));
}
if (Snowflake.TryParse(value, out var emojiId))
{
return(Context.Guild !.Emojis.FirstOrDefault(x => x.Value.Id == emojiId).Value
?? (ICustomEmoji)await Context.Guild !.GetEmojiAsync(emojiId));
}
value = value.Replace(" ", "_");
return(Context.Guild !.Emojis.FirstOrDefault(e => string.Equals(e.Value.Name, value, StringComparison.OrdinalIgnoreCase)).Value);
}
