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|
use std::fmt::Display;
use crate::{ChainProcess, Program, asset::node::Node};
/// Dispatches user input commands to specific [ChainProcess](./enum.ChainProcess.html)
///
/// Note: If you are using [mingling_macros](https://crates.io/crates/mingling_macros),
/// you can use the `dispatcher!("node.subnode", CommandType => Entry)` macro to declare a `Dispatcher`
pub trait Dispatcher<G>
where
G: Display,
{
/// Returns a command node for matching user input
fn node(&self) -> Node;
/// Returns a [ChainProcess](./enum.ChainProcess.html) based on user input arguments,
/// to be sent to the specific invocation
fn begin(&self, args: Vec<String>) -> ChainProcess<G>;
/// Clones the current dispatcher for implementing the `Clone` trait
fn clone_dispatcher(&self) -> Box<dyn Dispatcher<G>>;
}
impl<G> Clone for Box<dyn Dispatcher<G>>
where
G: Display,
{
fn clone(&self) -> Self {
self.clone_dispatcher()
}
}
impl<C: crate::program::ProgramCollect, G: Display> Program<C, G> {
/// Adds a dispatcher to the program.
pub fn with_dispatcher<Disp>(&mut self, dispatcher: Disp)
where
Disp: Dispatcher<G> + 'static,
{
self.dispatcher.push(Box::new(dispatcher));
}
/// Add some dispatchers to the program.
pub fn with_dispatchers<D>(&mut self, dispatchers: D)
where
D: Into<Dispatchers<G>>,
{
let dispatchers = dispatchers.into();
self.dispatcher.extend(dispatchers.dispatcher);
}
}
/// A collection of dispatchers.
///
/// This struct holds a vector of boxed `Dispatcher` trait objects,
/// allowing multiple dispatchers to be grouped together and passed
/// to the program via `Program::with_dispatchers`.
/// A collection of dispatchers.
///
/// This struct holds a vector of boxed `Dispatcher` trait objects,
/// allowing multiple dispatchers to be grouped together and passed
/// to the program via `Program::with_dispatchers`.
pub struct Dispatchers<G> {
dispatcher: Vec<Box<dyn Dispatcher<G> + 'static>>,
}
impl<G> From<Vec<Box<dyn Dispatcher<G>>>> for Dispatchers<G> {
fn from(dispatcher: Vec<Box<dyn Dispatcher<G>>>) -> Self {
Self { dispatcher }
}
}
impl<G> From<Box<dyn Dispatcher<G>>> for Dispatchers<G> {
fn from(dispatcher: Box<dyn Dispatcher<G>>) -> Self {
Self {
dispatcher: vec![dispatcher],
}
}
}
impl<D, G> From<(D,)> for Dispatchers<G>
where
D: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatcher: (D,)) -> Self {
Self {
dispatcher: vec![Box::new(dispatcher.0)],
}
}
}
impl<D1, D2, G> From<(D1, D2)> for Dispatchers<G>
where
D1: Dispatcher<G> + 'static,
D2: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatchers: (D1, D2)) -> Self {
Self {
dispatcher: vec![Box::new(dispatchers.0), Box::new(dispatchers.1)],
}
}
}
impl<D1, D2, D3, G> From<(D1, D2, D3)> for Dispatchers<G>
where
D1: Dispatcher<G> + 'static,
D2: Dispatcher<G> + 'static,
D3: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatchers: (D1, D2, D3)) -> Self {
Self {
dispatcher: vec![
Box::new(dispatchers.0),
Box::new(dispatchers.1),
Box::new(dispatchers.2),
],
}
}
}
impl<D1, D2, D3, D4, G> From<(D1, D2, D3, D4)> for Dispatchers<G>
where
D1: Dispatcher<G> + 'static,
D2: Dispatcher<G> + 'static,
D3: Dispatcher<G> + 'static,
D4: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatchers: (D1, D2, D3, D4)) -> Self {
Self {
dispatcher: vec![
Box::new(dispatchers.0),
Box::new(dispatchers.1),
Box::new(dispatchers.2),
Box::new(dispatchers.3),
],
}
}
}
impl<D1, D2, D3, D4, D5, G> From<(D1, D2, D3, D4, D5)> for Dispatchers<G>
where
D1: Dispatcher<G> + 'static,
D2: Dispatcher<G> + 'static,
D3: Dispatcher<G> + 'static,
D4: Dispatcher<G> + 'static,
D5: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatchers: (D1, D2, D3, D4, D5)) -> Self {
Self {
dispatcher: vec![
Box::new(dispatchers.0),
Box::new(dispatchers.1),
Box::new(dispatchers.2),
Box::new(dispatchers.3),
Box::new(dispatchers.4),
],
}
}
}
impl<D1, D2, D3, D4, D5, D6, G> From<(D1, D2, D3, D4, D5, D6)> for Dispatchers<G>
where
D1: Dispatcher<G> + 'static,
D2: Dispatcher<G> + 'static,
D3: Dispatcher<G> + 'static,
D4: Dispatcher<G> + 'static,
D5: Dispatcher<G> + 'static,
D6: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatchers: (D1, D2, D3, D4, D5, D6)) -> Self {
Self {
dispatcher: vec![
Box::new(dispatchers.0),
Box::new(dispatchers.1),
Box::new(dispatchers.2),
Box::new(dispatchers.3),
Box::new(dispatchers.4),
Box::new(dispatchers.5),
],
}
}
}
impl<D1, D2, D3, D4, D5, D6, D7, G> From<(D1, D2, D3, D4, D5, D6, D7)> for Dispatchers<G>
where
D1: Dispatcher<G> + 'static,
D2: Dispatcher<G> + 'static,
D3: Dispatcher<G> + 'static,
D4: Dispatcher<G> + 'static,
D5: Dispatcher<G> + 'static,
D6: Dispatcher<G> + 'static,
D7: Dispatcher<G> + 'static,
G: Display,
{
fn from(dispatchers: (D1, D2, D3, D4, D5, D6, D7)) -> Self {
Self {
dispatcher: vec![
Box::new(dispatchers.0),
Box::new(dispatchers.1),
Box::new(dispatchers.2),
Box::new(dispatchers.3),
Box::new(dispatchers.4),
Box::new(dispatchers.5),
Box::new(dispatchers.6),
],
}
}
}
impl<G> std::ops::Deref for Dispatchers<G> {
type Target = Vec<Box<dyn Dispatcher<G> + 'static>>;
fn deref(&self) -> &Self::Target {
&self.dispatcher
}
}
impl<G> From<Dispatchers<G>> for Vec<Box<dyn Dispatcher<G> + 'static>> {
fn from(val: Dispatchers<G>) -> Self {
val.dispatcher
}
}
|
