filenames iterator

2 files changed, 60 insertions, 0 deletions

diff --git a/src/filenames.rs b/src/filenames.rs
new file mode 100644
index 0000000..618d7a8
--- /dev/null
+++ b/src/filenames.rs
@@ -0,0 +1,59 @@
+use std::{
+    ops,
+    marker,
+    iter
+};
+
+use std::ffi::{
+    CString,
+    CStr
+};
+
+use utils::{
+    NewFromPtr,
+};
+
+use database;
+use ffi;
+
+#[derive(Debug)]
+pub struct Filenames<'d>(
+    *mut ffi::notmuch_filenames_t,
+    marker::PhantomData<&'d mut database::Database>,
+);
+
+impl<'d> NewFromPtr<*mut ffi::notmuch_filenames_t> for Filenames<'d> {
+    fn new(ptr: *mut ffi::notmuch_filenames_t) -> Filenames<'d> {
+        Filenames(ptr, marker::PhantomData)
+    }
+}
+
+impl<'d> ops::Drop for Filenames<'d> {
+    fn drop(&mut self) {
+        unsafe {
+            ffi::notmuch_filenames_destroy(self.0)
+        };
+    }
+}
+
+impl<'d> iter::Iterator for Filenames<'d> {
+    type Item = String;
+
+    fn next(&mut self) -> Option<Self::Item> {
+
+        let valid = unsafe {
+            ffi::notmuch_filenames_valid(self.0)
+        };
+
+        if valid == 0{
+            return None
+        }
+
+        let ctag = unsafe {
+            ffi::notmuch_filenames_move_to_next(self.0);
+            CStr::from_ptr(ffi::notmuch_filenames_get(self.0))
+        };
+
+        Some(ctag.to_str().unwrap().to_string())
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 70cb7c9..5daeeb8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,5 +23,6 @@ pub use message::Message;
 pub use tags::Tags;
 pub use threads::Threads;
 pub use thread::Thread;
+pub use filenames::Filenames;
 
 pub use ffi::DatabaseMode;