2023-01-10 16:37:24 +01:00
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#![allow(dead_code)]
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/// Manage UCI messages and link into chess component
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2023-01-11 12:07:28 +01:00
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mod uci_command;
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2023-01-10 16:37:24 +01:00
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2023-01-11 12:07:28 +01:00
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use log::warn;
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use std::io::*;
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use crate::uci_command::*;
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2023-01-10 16:37:24 +01:00
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2023-01-11 12:07:28 +01:00
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pub struct UciEngine<Fi: Read, Fo: Write> {
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source: Fi,
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destination: Fo,
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uciok: bool,
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id: Id,
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}
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2023-01-11 12:07:28 +01:00
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impl<Fi: Read, Fo: Write> UciEngine<Fi, Fo> {
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pub fn new(source: Fi, destination: Fo) -> UciEngine<Fi, Fo> {
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UciEngine::<Fi, Fo>{
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source, destination,
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id: Id::new(),
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uciok: false}
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}
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2023-01-11 12:07:28 +01:00
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pub fn name(&self) -> Option<String> {
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self.id.name()
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}
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2023-01-11 12:07:28 +01:00
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pub fn author(&self) -> Option<String> {
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self.id.author()
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}
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pub fn update(&mut self, id: &Id){
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if self.is_uciok() {warn!("Engine info should not be updated now (uciok)");}
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self.id.update(id);
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}
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pub fn update_from_str(&mut self, name: Option<&str>, author: Option<&str>){
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if self.is_uciok() {warn!("Engine info should not be updated now (uciok)");}
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self.id.update_from_str(name, author);
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}
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pub fn uciok(&mut self){
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self.uciok = true;
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}
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pub fn is_uciok(&self) -> bool {
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self.uciok
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}
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/// Parse UCI commands
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///
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/// * id
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/// * name *x*
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///
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/// this must be sent after receiving the "uci" command to identify the engine,
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/// e.g. "id name Shredder X.Y\n"
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/// * author *x*
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///
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/// this must be sent after receiving the "uci" command to identify the engine,
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/// e.g. "id author Stefan MK\n"
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///
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/// ```rust
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/// use chess_uci::*;
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/// use std::io;
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/// let mut engine = UciEngine::new(io::empty(), io::sink());
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///
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/// engine.exec("id name Baptiste");
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/// assert_eq!(engine.name().expect(""), "Baptiste");
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///
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/// engine.exec("id author Monique Jouve");
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/// assert_eq!(engine.author().expect(""), "Monique Jouve");
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///
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/// ```
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///
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/// * uciok
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///
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/// Must be sent after the id and optional options to tell the GUI that the engine
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/// has sent all infos and is ready in uci mode.
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///
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/// ```rust
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/// use chess_uci::*;
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/// use std::io;
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/// let mut engine = UciEngine::new(io::empty(), io::sink());
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/// assert_eq!(engine.is_uciok(), false);
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///
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/// engine.exec("id name Baptiste");
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/// assert_eq!(engine.name().expect(""), "Baptiste");
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/// assert_eq!(engine.is_uciok(), false);
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///
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/// engine.exec("id author Monique Jouve");
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/// assert_eq!(engine.author().expect(""), "Monique Jouve");
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/// assert_eq!(engine.is_uciok(), false);
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///
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/// engine.exec(" uciok");
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/// assert_eq!(engine.is_uciok(), true);
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/// ```
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pub fn exec(&mut self, command: &str){
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match parse (&mut command.to_string()) {
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Ok(EngineCommand::Id{id}) => self.update(&id),
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Ok(EngineCommand::UciOk) => self.uciok(),
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Ok(_) => {unimplemented!("command not implemented")},
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Err(_) => warn!("Not a command"),
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}
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}
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pub fn next(&mut self) {
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exec(self.source.read_line());
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}
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}
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