From 89b177046d8fbe8fa0597a5468bfbc082d9fa7da Mon Sep 17 00:00:00 2001
From: "C. Morgan Hamill" <me@cmhamill.org>
Date: Fri, 27 Mar 2015 15:52:05 -0400
Subject: Add `Database::directory()` method.

Simple wrapper around notmuch API's `notmuch_database_get_directory`
function.
---
 src/database.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/database.rs b/src/database.rs
index b046600..7f16900 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -8,10 +8,13 @@ use libc;
 
 use error::Result;
 use utils::{
+    NewFromPtr,
     ToCString,
     ToStr,
 };
 
+use directory::Directory;
+
 use ffi;
 
 // Re-exported under database module for pretty namespacin'.
@@ -150,6 +153,22 @@ impl Database {
 
         Ok(())
     }
+
+    pub fn directory<P: AsRef<path::Path>>(&self, path: &P) -> Result<Option<Directory>> {
+        let path = path.to_cstring().unwrap();
+
+        let mut dir = ptr::null_mut();
+        try!(unsafe {
+            ffi::notmuch_database_get_directory(
+                self.0, path.as_ptr(), &mut dir,
+            )
+        }.as_result());
+
+        match dir.is_null() {
+            false => Ok(None),
+            true => Ok(Some(Directory::new(dir))),
+        }
+    }
 }
 
 impl ops::Drop for Database {
-- 
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