Add 'notmuch/' from commit '2231a5cf6cdeb90c1cdb75d161a0063d4a385576'

git-subtree-dir: notmuch
git-subtree-mainline: 51fa75397dda2c280f29760e7b525caefc03642e
git-subtree-split: 2231a5cf6cdeb90c1cdb75d161a0063d4a385576

1 files changed, 68 insertions, 0 deletions

diff --git a/notmuch/src/filenames.rs b/notmuch/src/filenames.rs
new file mode 100644
index 0000000..12e5857
--- /dev/null
+++ b/notmuch/src/filenames.rs
@@ -0,0 +1,68 @@
+use std::ffi::CStr;
+use std::iter::Iterator;
+use std::ops::Drop;
+use std::path::PathBuf;
+
+use ffi;
+use utils::ScopedPhantomcow;
+
+pub trait FilenamesOwner {}
+
+#[derive(Debug)]
+pub struct Filenames<'o, O>
+where
+    O: FilenamesOwner + 'o,
+{
+    pub(crate) ptr: *mut ffi::notmuch_filenames_t,
+    pub(crate) marker: ScopedPhantomcow<'o, O>,
+}
+
+impl<'o, O> Drop for Filenames<'o, O>
+where
+    O: FilenamesOwner + 'o,
+{
+    fn drop(self: &mut Self) {
+        unsafe { ffi::notmuch_filenames_destroy(self.ptr) };
+    }
+}
+
+impl<'o, O> Filenames<'o, O>
+where
+    O: FilenamesOwner + 'o,
+{
+    pub(crate) fn from_ptr<P>(ptr: *mut ffi::notmuch_filenames_t, owner: P) -> Filenames<'o, O>
+    where
+        P: Into<ScopedPhantomcow<'o, O>>,
+    {
+        Filenames {
+            ptr,
+            marker: owner.into(),
+        }
+    }
+}
+
+impl<'o, O> Iterator for Filenames<'o, O>
+where
+    O: FilenamesOwner + 'o,
+{
+    type Item = PathBuf;
+
+    fn next(self: &mut Self) -> Option<Self::Item> {
+        let valid = unsafe { ffi::notmuch_filenames_valid(self.ptr) };
+
+        if valid == 0 {
+            return None;
+        }
+
+        let ctag = unsafe {
+            let t = ffi::notmuch_filenames_get(self.ptr);
+            ffi::notmuch_filenames_move_to_next(self.ptr);
+            CStr::from_ptr(t)
+        };
+
+        Some(PathBuf::from(ctag.to_str().unwrap()))
+    }
+}
+
+unsafe impl<'o, O> Send for Filenames<'o, O> where O: FilenamesOwner + 'o {}
+unsafe impl<'o, O> Sync for Filenames<'o, O> where O: FilenamesOwner + 'o {}