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use std::ffi::{CStr, CString};
use super::tex::TexResult;
use super::{ExecutionState, IoEventBackend, TectonicBridgeApi};
use crate::errors::{ErrorKind, Result};
use crate::io::IoStack;
use crate::status::StatusBackend;
#[derive(Default)]
pub struct BibtexEngine {}
impl BibtexEngine {
pub fn new() -> BibtexEngine {
Default::default()
}
pub fn process(
&mut self,
io: &mut IoStack,
events: &mut dyn IoEventBackend,
status: &mut dyn StatusBackend,
aux: &str,
) -> Result<TexResult> {
let _guard = super::ENGINE_LOCK.lock().unwrap();
let caux = CString::new(aux)?;
let mut state = ExecutionState::new(io, events, status);
let bridge = TectonicBridgeApi::new(&mut state);
unsafe {
match super::bibtex_simple_main(&bridge, caux.as_ptr()) {
0 => Ok(TexResult::Spotless),
1 => Ok(TexResult::Warnings),
2 => Ok(TexResult::Errors),
3 => Err(ErrorKind::Msg("unspecified fatal bibtex error".into()).into()),
99 => {
let ptr = super::tt_get_error_message();
let msg = CStr::from_ptr(ptr).to_string_lossy().into_owned();
Err(ErrorKind::Msg(msg).into())
}
x => Err(ErrorKind::Msg(format!(
"internal error: unexpected 'history' value {}",
x
))
.into()),
}
}
}
}