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use std::ops::Drop;
use supercow::{Phantomcow, Supercow};
use ffi;
use Database;
use Filenames;
use FilenamesOwner;
#[derive(Debug)]
pub(crate) struct DirectoryPtr {
pub ptr: *mut ffi::notmuch_directory_t,
}
impl Drop for DirectoryPtr {
fn drop(&mut self) {
unsafe { ffi::notmuch_directory_destroy(self.ptr) };
}
}
#[derive(Debug)]
pub struct Directory<'d> {
handle: DirectoryPtr,
marker: Phantomcow<'d, Database>,
}
impl<'d> FilenamesOwner for Directory<'d> {}
impl<'d> Directory<'d> {
pub fn from_ptr<O>(ptr: *mut ffi::notmuch_directory_t, owner: O) -> Directory<'d>
where
O: Into<Phantomcow<'d, Database>>,
{
Directory {
handle: DirectoryPtr { ptr },
marker: owner.into(),
}
}
pub fn child_directories(&self) -> Filenames<Self> {
<Self as DirectoryExt>::child_directories(self)
}
}
pub trait DirectoryExt<'d> {
fn child_directories<'s, S>(directory: S) -> Filenames<'s, Directory<'d>>
where
S: Into<Supercow<'s, Directory<'d>>>,
{
let dir = directory.into();
Filenames::from_ptr(
unsafe { ffi::notmuch_directory_get_child_directories(dir.handle.ptr) },
Supercow::phantom(dir),
)
}
}
impl<'d> DirectoryExt<'d> for Directory<'d> {}
unsafe impl<'d> Send for Directory<'d> {}
unsafe impl<'d> Sync for Directory<'d> {}
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