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use super::argument_builder::{ArgumentBuilder, ArgumentBuilderType};
use crate::{
arguments::ArgumentType, exceptions::CommandSyntaxException, string_reader::StringReader,
};
use std::{any::Any, fmt::Debug, rc::Rc, sync::Arc};
/// An argument node type. The `T` type parameter is the type of the argument,
/// which can be anything.
#[derive(Clone)]
pub struct Argument {
pub name: String,
parser: Arc<dyn ArgumentType + Send + Sync>,
}
impl Argument {
pub fn new(name: &str, parser: Arc<dyn ArgumentType + Send + Sync>) -> Self {
Self {
name: name.to_string(),
parser,
}
}
pub fn parse(&self, reader: &mut StringReader) -> Result<Rc<dyn Any>, CommandSyntaxException> {
self.parser.parse(reader)
}
}
impl From<Argument> for ArgumentBuilderType {
fn from(argument: Argument) -> Self {
Self::Argument(argument)
}
}
impl Debug for Argument {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Argument")
.field("name", &self.name)
// .field("parser", &self.parser)
.finish()
}
}
/// Shortcut for creating a new argument builder node.
pub fn argument<S>(
name: &str,
parser: impl ArgumentType + Send + Sync + 'static,
) -> ArgumentBuilder<S> {
ArgumentBuilder::new(Argument::new(name, Arc::new(parser)).into())
}
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