src/bin/yaml.rs


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use serde_yml::Value;
use std::{
    env::args,
    fs::File,
    io::{BufReader, stdout},
};
use unity_tools::{classes::HValue, serialized_file::SerializedFile, unityfs::UnityFS};

fn main() -> anyhow::Result<()> {
    env_logger::init_from_env("LOG");
    let file = BufReader::new(File::open(args().nth(1).unwrap())?);
    let mut fs = UnityFS::open(file)?;
    let filter = args().nth(2);

    let node = fs.find_main_file().unwrap().to_owned();
    let mut cab = fs.read(&node)?;

    let mut file = SerializedFile::read(&mut cab)?;
    for ob in file.objects.clone() {
        if let Some(f) = &filter {
            if file.get_object_type_tree(&ob)?.type_string != *f && ob.path_id.to_string() != *f {
                continue;
            }
        }
        let value = file.read_object(ob)?;
        let hvalue = HValue::from_value(value)?;

        let mut hvalue = serde_yml::to_value(hvalue)?;
        trim_large_arrays(&mut hvalue);

        serde_yml::to_writer(stdout(), &hvalue).unwrap();
        println!()
    }

    Ok(())
}

fn trim_large_arrays(v: &mut Value) {
    match v {
        Value::Sequence(values) => {
            values.iter_mut().for_each(trim_large_arrays);
            while values.len() > 32 {
                values.pop();
            }
        }
        Value::Mapping(mapping) => mapping.map.values_mut().for_each(trim_large_arrays),
        Value::Tagged(tagged_value) => trim_large_arrays(&mut tagged_value.value),
        _ => (),
    }
}