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use std::ffi::{CStr, CString};
use std::ops::Drop;
use std::path::Path;
use std::ptr;
use supercow::{Supercow, Phantomcow};
use error::Result;
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: Into<Phantomcow<'d, Database>>>(
ptr: *mut ffi::notmuch_directory_t,
owner: O,
) -> Directory<'d> {
Directory {
handle: DirectoryPtr { ptr },
marker: owner.into(),
}
}
pub fn new<O: Into<Supercow<'d, Database>>,
P: AsRef<Path>>(owner: O, path: &P) -> Result<Option<Directory<'d>>> {
let db = owner.into();
let path_str = CString::new(path.as_ref().to_str().unwrap()).unwrap();
let mut dir = ptr::null_mut();
try!(
unsafe {
ffi::notmuch_database_get_directory(db.handle.ptr, path_str.as_ptr(), &mut dir)
}
.as_result()
);
if dir.is_null() {
Ok(None)
} else {
Ok(Some(Directory {
handle: DirectoryPtr { ptr: dir },
marker: Supercow::phantom(db),
}))
}
}
pub fn child_directories(&self) -> Filenames<Self> {
Filenames::from_ptr(
unsafe { ffi::notmuch_directory_get_child_directories(self.handle.ptr) },
self,
)
}
}
unsafe impl<'d> Send for Directory<'d> {}
unsafe impl<'d> Sync for Directory<'d> {}
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