#[cfg(feature="syntex")]
extern crate synthax;

use std::path::{Path};

#[cfg(feature="syntex")]
fn expand(source: &Path, destination: &Path) {
    synthax::expand(&source, &destination).unwrap();
}

#[cfg(not(feature="syntex"))]
fn expand(source: &Path, destination: &Path) {
    use std::io::{Read, Write};

    let mut source = std::fs::File::open(source).unwrap();
    let mut contents = String::new();
    source.read_to_string(&mut contents).unwrap();
    let mut destination = std::fs::File::create(destination).unwrap();
    destination.write_all(contents.as_bytes()).unwrap();
}

pub fn main() {
    let source = Path::new("src/lib.rs.in");
    let destination = Path::new(&env!("OUT_DIR")).join("lib.rs");
    expand(&source, &destination);
}