/// <param name="requirePrefix">Prefix requirement for this command.</param>
public PrefixAttribute(PrefixRequirement requirePrefix) : this(null, requirePrefix)
{
}
/// <summary>Sets prefix requirement.</summary> /// <param name="builder">Hosted Commands Service builder.</param> /// <param name="requirement">Prefix requirement.</param> /// <seealso cref="CommandsOptions.RequirePrefix"/> public static IHostedCommandsServiceBuilder SetPrefixRequirement(this IHostedCommandsServiceBuilder builder, PrefixRequirement requirement) => builder.Configure(options => options.RequirePrefix = requirement);
/// <summary>Checks if the message matches prefix requirements for command processing.</summary>
/// <param name="message">Message to check.</param>
/// <param name="prefix">Prefix.</param>
/// <param name="requirement">Prefix requirement to check.</param>
/// <param name="caseSensitive">Whether the check should be performed case-sensitively.</param>
/// <param name="startIndex">Index of start of actual command message, without prefix.</param>
/// <returns>True if the message matches prefix requirement; otherwise false.</returns>
public static bool MatchesPrefixRequirement(this ChatMessage message, string prefix, PrefixRequirement requirement, bool caseSensitive, out int startIndex)
{
StringComparison comparison = caseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase;
bool startsWithPrefix = message.Text.StartsWith(prefix, comparison);
startIndex = startsWithPrefix ? prefix.Length : 0;
// if it does start with prefix, we know for sure it matches requirement
if (startsWithPrefix)
{
return(true);
}
// now we know it does NOT start with prefix
// so let's check if prefix is required in group messages if the message is in group...
if (message.IsGroupMessage && (requirement & PrefixRequirement.Group) == PrefixRequirement.Group)
{
return(false);
}
// ... or in private messages if the message is in group
if (message.IsPrivateMessage && (requirement & PrefixRequirement.Private) == PrefixRequirement.Private)
{
return(false);
}
// if we got here, we know that the prefix is not required
return(true);
}
// general /// <summary>Sets prefix and prefix requirement.</summary> /// <param name="builder">Hosted Commands Service builder.</param> /// <param name="prefix">Prefix value.</param> /// <param name="requirement">Prefix requirement.</param> /// <seealso cref="CommandsOptions.Prefix"/> /// <seealso cref="CommandsOptions.RequirePrefix"/> public static IHostedCommandsServiceBuilder SetPrefix(this IHostedCommandsServiceBuilder builder, string prefix, PrefixRequirement requirement) => builder.SetPrefix(prefix).SetPrefixRequirement(requirement);
