uci parse basics

.gitignore

@@ -0,0 +1 @@
+/target

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/bamboo.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="CPP_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/bamboo.iml" filepath="$PROJECT_DIR$/.idea/bamboo.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

Cargo.lock

@@ -0,0 +1,41 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "bamboo"
+version = "0.1.0"
+dependencies = [
+ "spin",
+]
+
+[[package]]
+name = "lock_api"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
+[[package]]
+name = "scopeguard"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
+[[package]]
+name = "spin"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dccf47db1b41fa1573ed27ccf5e08e3ca771cb994f776668c5ebda893b248fc"
+dependencies = [
+ "lock_api",
+]

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "bamboo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+spin = "0.9.5"

log.txt

@@ -0,0 +1,36 @@
+
+uci
+
+isready
+
+ucinewgame
+
+quit
+
+uci
+
+isready
+
+ucinewgame
+
+quit
+
+< uci
+
+> id name Bamboo 1.0
+id author c0repwn3r
+uciok
+
+< isready
+
+> readyok
+
+< ucinewgame
+
+> 
+< position startpos moves e2e4
+
+> Unrecognized command `position startpos moves e2e4`, consult the documentation for more information
+< go
+
+> Unrecognized command `go`, consult the documentation for more information

src/main.rs

@@ -0,0 +1,38 @@
+use std::{fs, io};
+use std::path::Path;
+use std::sync::{Arc};
+use crate::uci::{uci_handle_command, UCIState};
+use spin::Mutex;
+
+pub mod uci;
+
+pub const ENGINE_NAME: &str = "Bamboo";
+pub const ENGINE_VERSION: &str = "1.0";
+pub const ENGINE_AUTHOR: &str = "c0repwn3r";
+
+fn main() {
+    println!("{} {} by {}", ENGINE_NAME, ENGINE_VERSION, ENGINE_AUTHOR);
+
+    let mut uci_state = UCIState::new();
+    let mut uci_lock = Arc::new(Mutex::new(uci_state));
+
+    loop {
+        let mut cmdbuf = String::new();
+        match io::stdin().read_line(&mut cmdbuf) {
+            Ok(_) => (),
+            Err(e) => {
+                println!("fatal error reading standard input: {}", e);
+                return;
+            }
+        }
+
+        let resp = match uci_handle_command(uci_lock.clone(), cmdbuf.clone()) {
+            Ok(response) => response,
+            Err(e) => {
+                format!("error handling uci command: {}", e)
+            }
+        };
+
+        print!("{}", resp);
+    }
+}

src/uci.rs

@@ -0,0 +1,62 @@
+use std::error::Error;
+use crate::{ENGINE_AUTHOR, ENGINE_NAME, ENGINE_VERSION};
+use std::fmt::Write;
+use std::fs;
+use std::path::Path;
+use std::sync::{Arc};
+use spin::Mutex;
+
+#[derive(Default)]
+pub struct UCIState {
+    debug: bool,
+    is_blocking: bool
+}
+
+impl UCIState {
+    pub fn new() -> Self {
+        Self::default()
+    }
+}
+
+pub fn uci_handle_command(state: Arc<Mutex<UCIState>>, cmd: String) -> Result<String, Box<dyn Error>> {
+    let cmd_split = cmd.trim().split(' ').collect::<Vec<&str>>();
+
+    match cmd_split[0] {
+        "uci" => Ok(uci_id()),
+        "isready" => Ok(uci_isready(state)),
+        "debug" => Ok(uci_debug(state, &cmd_split)),
+        "ucinewgame" => Ok("".to_string()),
+        _ => Ok(format!("Unrecognized command `{}`, consult the documentation for more information", cmd.trim()))
+    }
+}
+
+pub fn uci_id() -> String {
+    let mut result = String::new();
+
+    writeln!(result, "id name {} {}", ENGINE_NAME, ENGINE_VERSION).unwrap();
+    writeln!(result, "id author {}", ENGINE_AUTHOR).unwrap();
+    writeln!(result, "uciok").unwrap();
+
+    result
+}
+
+pub fn uci_debug(state: Arc<Mutex<UCIState>>, cmd: &Vec<&str>) -> String {
+    if cmd.len() != 2 {
+        return format!("Unrecognized command `{}`, consult the documentation for more information", cmd.join(" "))
+    }
+
+    match cmd[1] {
+        "on" => state.lock().debug = true,
+        "off" => state.lock().debug = false,
+        _ => return format!("Unrecognized command `{}`, consult the documentation for more information", cmd.join(" "))
+    };
+
+    "".to_string()
+}
+
+pub fn uci_isready(state: Arc<Mutex<UCIState>>) -> String {
+    loop {
+        if !state.lock().is_blocking { break; }
+    }
+    "readyok\n".to_string()
+}