public static ParameterBuilder CreateParameterBuilder(CommandBuilder command, ParameterInfo parameterInfo, bool last)
{
var builder = new ParameterBuilder(parameterInfo.ParameterType, command);
var attributes = parameterInfo.GetCustomAttributes(false);
for (var i = 0; i < attributes.Length; i++)
{
switch (attributes[i])
{
case NameAttribute nameAttribute:
builder.WithName(nameAttribute.Value);
break;
case DescriptionAttribute descriptionAttribute:
builder.WithDescription(descriptionAttribute.Value);
break;
case RemarksAttribute remarksAttribute:
builder.WithRemarks(remarksAttribute.Value);
break;
case ParamArrayAttribute _:
if (!last)
{
throw new ParameterBuildingException(builder, $"A params array parameter must be the last parameter in a command. Parameter: {parameterInfo.Name} in {parameterInfo.Member.Name} in {parameterInfo.Member.DeclaringType}.");
}
builder.WithIsMultiple(true);
builder.Type = parameterInfo.ParameterType.GetElementType();
break;
case RemainderAttribute _:
if (!last)
{
throw new ParameterBuildingException(builder, $"A remainder parameter must be the last parameter in a command. Parameter: {parameterInfo.Name} in {parameterInfo.Member.Name} in {parameterInfo.Member.DeclaringType}.");
}
builder.WithIsRemainder(true);
break;
case OverrideTypeParserAttribute overrideTypeParserAttribute:
builder.WithCustomTypeParserType(overrideTypeParserAttribute.Value);
if (overrideTypeParserAttribute.GetType() != typeof(OverrideTypeParserAttribute))
{
builder.AddAttribute(overrideTypeParserAttribute);
}
break;
case ParameterCheckAttribute parameterCheckAttribute:
builder.AddCheck(parameterCheckAttribute);
break;
case Attribute attribute:
builder.AddAttribute(attribute);
break;
}
}
if (parameterInfo.HasDefaultValue)
{
builder.WithIsOptional(true)
.WithDefaultValue(parameterInfo.DefaultValue);
}
else if (builder.IsMultiple)
{
builder.WithIsOptional(true)
.WithDefaultValue(Array.CreateInstance(builder.Type, 0));
}
if (builder.Name == null)
{
builder.WithName(parameterInfo.Name);
}
return(builder);
}
internal CommandBuildingException(CommandBuilder commandBuilder, string message)
: base(message)
{
CommandBuilder = commandBuilder;
}
public static CommandBuilder CreateCommandBuilder(CommandService service, ModuleBuilder module, TypeInfo typeInfo, MethodInfo methodInfo)
{
var builder = new CommandBuilder(module, CreateModuleBaseCommandCallback(service, typeInfo, methodInfo));
var attributes = methodInfo.GetCustomAttributes(false);
for (var i = 0; i < attributes.Length; i++)
{
switch (attributes[i])
{
case NameAttribute nameAttribute:
builder.WithName(nameAttribute.Value);
break;
case DescriptionAttribute descriptionAttribute:
builder.WithDescription(descriptionAttribute.Value);
break;
case RemarksAttribute remarksAttribute:
builder.WithRemarks(remarksAttribute.Value);
break;
case PriorityAttribute priorityAttribute:
builder.WithPriority(priorityAttribute.Value);
break;
case RunModeAttribute runModeAttribute:
builder.WithRunMode(runModeAttribute.Value);
break;
case CooldownAttribute cooldownAttribute:
builder.AddCooldown(new Cooldown(cooldownAttribute.Amount, cooldownAttribute.Per, cooldownAttribute.BucketType));
break;
case IgnoresExtraArgumentsAttribute ignoreExtraArgumentsAttribute:
builder.WithIgnoresExtraArguments(ignoreExtraArgumentsAttribute.Value);
break;
case OverrideArgumentParserAttribute overrideArgumentParserAttribute:
builder.WithCustomArgumentParserType(overrideArgumentParserAttribute.Value);
if (overrideArgumentParserAttribute.GetType() != typeof(OverrideArgumentParserAttribute))
{
builder.AddAttribute(overrideArgumentParserAttribute);
}
break;
case CommandAttribute commandAttribute:
for (var j = 0; j < commandAttribute.Aliases.Length; j++)
{
builder.AddAlias(commandAttribute.Aliases[j]);
}
break;
case CheckAttribute checkAttribute:
builder.AddCheck(checkAttribute);
break;
case DisabledAttribute disabledAttribute:
builder.WithIsEnabled(!disabledAttribute.Value);
break;
case Attribute attribute:
builder.AddAttribute(attribute);
break;
}
}
var parameters = methodInfo.GetParameters();
for (var i = 0; i < parameters.Length; i++)
{
builder.Parameters.Add(CreateParameterBuilder(builder, parameters[i], i + 1 == parameters.Length));
}
return(builder);
}
