feat: Inital setup of regex chat detection

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aria 2025-07-06 07:44:27 +10:00
commit a40586d51e
Signed by: aria
SSH key fingerprint: SHA256:WqtcVnDMrv1lnUlNah5k31iywFUI/DV+5yHzCTO4Vds
4 changed files with 792 additions and 0 deletions

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14
Cargo.toml Normal file
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@ -0,0 +1,14 @@
[package]
name = "mc-chat-export"
version = "0.1.0"
edition = "2024"
[dependencies]
anyhow = "1.0.98"
clap = { version = "4.5.40", features = ["derive"] }
console = "0.16.0"
dialoguer = "0.11.0"
indicatif = "0.18.0"
once_cell = "1.21.3"
rayon = "1.10.0"
regex = "1.11.1"

47
src/main.rs Normal file
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@ -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);
}