From 08aa3be11a25c8ccbdf4806a4a08c9267cae9140 Mon Sep 17 00:00:00 2001
From: Dirk Van Haerenborgh <vhdirk@gmail.com>
Date: Sun, 4 Nov 2018 19:42:46 +0100
Subject: start adding 'Ext' threads to enable more flexible supercow api

---
 src/directory.rs | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to 'src/directory.rs')

diff --git a/src/directory.rs b/src/directory.rs
index 9bdae2d..c179eb8 100644
--- a/src/directory.rs
+++ b/src/directory.rs
@@ -1,6 +1,10 @@
+use std::ffi::{CStr, CString};
 use std::ops::Drop;
-use supercow::Phantomcow;
+use std::path::Path;
+use std::ptr;
+use supercow::{Supercow, Phantomcow};
 
+use error::Result;
 use ffi;
 use Database;
 use Filenames;
@@ -36,6 +40,30 @@ impl<'d> Directory<'d> {
         }
     }
 
+    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) },
-- 
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