libmirage 0.2.0

use crate::LanguagePackType;
use crate::{Language, ffi};
use glib::object::*;
use glib::translate::*;

pub trait LanguageExtManual: IsA<Language> + 'static {
    #[doc(alias = "mirage_language_get_pack_data")]
    #[doc(alias = "get_pack_data")]
    fn pack_data(&self, pack_type: LanguagePackType) -> Result<Vec<u8>, glib::Error> {
        unsafe {
            let mut pack_data = std::ptr::null();
            let mut length = std::mem::MaybeUninit::uninit();
            let mut error = std::ptr::null_mut();
            let is_ok = ffi::mirage_language_get_pack_data(
                self.as_ref().to_glib_none().0,
                pack_type.into_glib(),
                &mut pack_data,
                length.as_mut_ptr(),
                &mut error,
            );
            debug_assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
            if error.is_null() {
                Ok(FromGlibContainer::from_glib_none_num(
                    pack_data,
                    length.assume_init() as _,
                ))
            } else {
                Err(from_glib_full(error))
            }
        }
    }
}

impl<O: IsA<Language>> LanguageExtManual for O {}