alpm_ll/
add.rs

1use crate::{Alpm, Error, LoadedPackage, Package};
2
3use alpm_sys_ll::*;
4
5use std::fmt;
6
7pub unsafe trait IntoPkgAdd: fmt::Debug {
8    #[doc(hidden)]
9    unsafe fn as_alpm_pkg_t(&self) -> *mut alpm_pkg_t;
10    #[doc(hidden)]
11    unsafe fn added(self);
12}
13
14unsafe impl<'a> IntoPkgAdd for Package<'a> {
15    unsafe fn as_alpm_pkg_t(&self) -> *mut alpm_pkg_t {
16        self.pkg.as_ptr()
17    }
18    unsafe fn added(self) {}
19}
20unsafe impl<'a> IntoPkgAdd for LoadedPackage<'a> {
21    unsafe fn as_alpm_pkg_t(&self) -> *mut alpm_pkg_t {
22        self.pkg.as_ptr()
23    }
24    unsafe fn added(self) {
25        std::mem::forget(self);
26    }
27}
28
29impl Alpm {
30    pub fn trans_add_pkg<P: IntoPkgAdd>(&self, pkg: P) -> Result<(), AddError<P>> {
31        let ret = unsafe { self.lib.alpm_add_pkg(self.as_ptr(), pkg.as_alpm_pkg_t()) };
32        let ok = self.check_ret(ret);
33        match ok {
34            Ok(_) => {
35                unsafe { pkg.added() };
36                Ok(())
37            }
38            Err(err) => Err(AddError { err, pkg }),
39        }
40    }
41}
42
43#[derive(Debug)]
44pub struct AddError<P> {
45    pub err: Error,
46    pub pkg: P,
47}
48
49impl<P> fmt::Display for AddError<P> {
50    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
51        fmt::Display::fmt(&self.err, f)
52    }
53}
54
55impl<P: IntoPkgAdd> std::error::Error for AddError<P> {}
56
57impl<P> From<AddError<P>> for Error {
58    fn from(err: AddError<P>) -> Error {
59        err.err
60    }
61}
alpm_ll/add.rs

alpm_ll/
add.rs
