graphannis_capi/
lib.rs

1#[macro_use]
2extern crate log;
3
4use std::borrow::Cow;
5
6use cerror::ErrorList;
7
8fn cast_mut<'a, T>(x: *mut T) -> &'a mut T {
9    unsafe {
10        assert!(!x.is_null());
11        &mut (*x)
12    }
13}
14
15fn cast_const<'a, T>(x: *const T) -> &'a T {
16    unsafe {
17        assert!(!x.is_null(), "Object argument was null");
18        &(*x)
19    }
20}
21
22fn cstr<'a>(orig: *const libc::c_char) -> Cow<'a, str> {
23    unsafe {
24        if orig.is_null() {
25            Cow::from("")
26        } else {
27            std::ffi::CStr::from_ptr(orig).to_string_lossy()
28        }
29    }
30}
31
32fn map_cerr<T, E: Into<Box<dyn std::error::Error>>>(
33    x: Result<T, E>,
34    err_ptr: *mut *mut ErrorList,
35) -> Option<T> {
36    match x {
37        Ok(v) => Some(v),
38        Err(err) => {
39            if !err_ptr.is_null() {
40                unsafe {
41                    *err_ptr = cerror::new(err.into());
42                }
43            }
44            None
45        }
46    }
47}
48
49/// Simple definition of a matrix from a single data type.
50pub type Matrix<T> = Vec<Vec<T>>;
51
52pub mod cerror;
53pub mod corpusstorage;
54pub mod data;
55pub mod graph;
56pub mod logging;
57pub mod update;
graphannis_capi/lib.rs

graphannis_capi/
lib.rs
