feat: Inital setup of regex chat detection

src/main.rs

@@ -0,0 +1,47 @@
+use std::{fs, process::exit};
+
+use clap::Parser;
+use once_cell::sync::Lazy;
+use anyhow::{Error, Result};
+use rayon::{iter::ParallelIterator, str::ParallelString};
+use regex::Regex;
+
+/// Simple program to greet a person
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    #[arg(short, long, help="Path to log file")]
+    path: String,
+
+}
+
+
+/// follow up by extracting just the user and the message
+static SECOND_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"<.*> .*").unwrap());
+
+fn main() -> Result<()> {
+    let args = Args::parse();
+
+    if !fs::exists(&args.path)? {
+        println!("Please provide a valid file path!");
+        exit(1)
+    }
+
+    let log_contents = fs::read_to_string(args.path)?;
+
+    let split_log = log_contents.par_split('\n');
+
+    let filtered_log: Vec<&str> = split_log.filter(|x| is_possible_chat_msg(x)).collect();
+
+    print!("{:#?}", filtered_log);
+
+    Ok(())
+}
+
+fn is_possible_chat_msg(input: &str) -> bool {
+    /// first pass to find all possible lines that could have a chat message
+    static SERVER_MSG_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"\[.*\] \[Server thread\/INFO\] \[net.minecraft.server.MinecraftServer\/\]: <.*>*").unwrap());
+    static CLIENT_MSG_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"\[.*\] \[Render thread\/INFO\] \[minecraft\/ChatComponent\]: \[CHAT\] <.*>*").unwrap());
+
+    return SERVER_MSG_RE.is_match(input) || CLIENT_MSG_RE.is_match(input);
+}