1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
use std::ops::Drop;
use supercow::{Phantomcow, Supercow};
use crate::ffi;
use crate::thread::{ThreadOwner, ThreadPtr};
use crate::Thread;
use crate::utils::{ScopedPhantomcow, ScopedSupercow};
#[derive(Debug)]
pub(crate) struct ThreadsPtr {
pub ptr: *mut ffi::notmuch_threads_t,
}
impl Drop for ThreadsPtr {
fn drop(&mut self) {
unsafe { ffi::notmuch_threads_destroy(self.ptr) };
}
}
#[derive(Debug)]
pub struct Threads<'o, O>
where
O: ThreadOwner,
{
handle: ThreadsPtr,
marker: ScopedPhantomcow<'o, O>,
}
impl<'o, O> Threads<'o, O>
where
O: ThreadOwner + 'o,
{
pub fn from_ptr<P>(ptr: *mut ffi::notmuch_threads_t, owner: P) -> Threads<'o, O>
where
P: Into<ScopedPhantomcow<'o, O>>,
{
Threads {
handle: ThreadsPtr { ptr },
marker: owner.into(),
}
}
}
impl<'o, O> Iterator for Threads<'o, O>
where
O: ThreadOwner,
{
type Item = Thread<'o, O>;
fn next(&mut self) -> Option<Thread<'o, O>> {
let valid = unsafe { ffi::notmuch_threads_valid(self.handle.ptr) };
if valid == 0 {
return None;
}
let cthrd = unsafe {
let thrd = ffi::notmuch_threads_get(self.handle.ptr);
ffi::notmuch_threads_move_to_next(self.handle.ptr);
thrd
};
Some(Thread::from_ptr(cthrd, ScopedPhantomcow::<'o, O>::share(&mut self.marker)))
}
}
pub trait ThreadsExt<'o, O>
where
O: ThreadOwner + 'o,
{
}
impl<'o, O> ThreadsExt<'o, O> for Threads<'o, O> where O: ThreadOwner + 'o {}
unsafe impl<'o, O> Send for Threads<'o, O> where O: ThreadOwner + 'o {}
unsafe impl<'o, O> Sync for Threads<'o, O> where O: ThreadOwner + 'o {}
|
