#[macro_use]
extern crate lazy_static;

use std::ffi::CString;
use std::os::raw::c_char;

mod version;
mod text_parser;
mod text_parser_bindings;
mod instruction;
mod instruction_parser;

pub(crate) unsafe fn allocate_cstring(input: &str) -> *mut c_char {
    let input_c = CString::new(input).expect("Rust &str -> CString conversion failed");
    let space = libc::malloc(libc::strlen(input_c.as_ptr()) + 1) as *mut c_char;
    libc::strcpy(space, input_c.as_ptr());
    return space;
}

#[cfg(test)]
mod tests {
    use std::io::Read;
    
    #[test]
    fn it_works() {
        assert_eq!(2 + 2, 4);
    }
    
    #[test]
    fn vec_read_test() {
        let vec: Vec<u8> = vec![1, 2, 3, 4, 5];
        let file_res = crate::text_parser::FilmscriptFile::from_vec(&vec);
        assert!(file_res.is_ok());
        let mut f = file_res.unwrap();
        let buf: &mut [u8] = &mut [0; 1];
        assert!(f.read(buf).is_ok());
        println!("Buffer contains value: {}", buf[0]);
        assert!(f.read(buf).is_ok());
        println!("Buffer contains value: {}", buf[0]);
        assert!(f.read(buf).is_ok());
        println!("Buffer contains value: {}", buf[0]);
        assert!(f.read(buf).is_ok());
        println!("Buffer contains value: {}", buf[0]);
        assert!(f.read(buf).is_ok());
        println!("Buffer contains value: {}", buf[0]);
    }
}