Merge pull request #166 from benburkert/master

Add git note support

1 files changed, 99 insertions, 0 deletions

diff --git a/note.go b/note.go
new file mode 100644
index 0000000..3cdd340
--- /dev/null
+++ b/note.go
@@ -0,0 +1,99 @@
+package git
+
+/*
+#include <git2.h>
+*/
+import "C"
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+// Note
+type Note struct {
+	ptr *C.git_note
+}
+
+// Free frees a git_note object
+func (n *Note) Free() error {
+	if n.ptr == nil {
+		return ErrInvalid
+	}
+	runtime.SetFinalizer(n, nil)
+	C.git_note_free(n.ptr)
+	n.ptr = nil
+	return nil
+}
+
+// Author returns the signature of the note author
+func (n *Note) Author() *Signature {
+	ptr := C.git_note_author(n.ptr)
+	return newSignatureFromC(ptr)
+}
+
+// Id returns the note object's id
+func (n *Note) Id() *Oid {
+	ptr := C.git_note_id(n.ptr)
+	return newOidFromC(ptr)
+}
+
+// Committer returns the signature of the note committer
+func (n *Note) Committer() *Signature {
+	ptr := C.git_note_committer(n.ptr)
+	return newSignatureFromC(ptr)
+}
+
+// Message returns the note message
+func (n *Note) Message() string {
+	return C.GoString(C.git_note_message(n.ptr))
+}
+
+// NoteIterator
+type NoteIterator struct {
+	ptr *C.git_note_iterator
+}
+
+// NewNoteIterator creates a new iterator for notes
+func (repo *Repository) NewNoteIterator(ref string) (*NoteIterator, error) {
+	var cref *C.char
+	if ref == "" {
+		cref = nil
+	} else {
+		cref = C.CString(ref)
+		defer C.free(unsafe.Pointer(cref))
+	}
+
+	var ptr *C.git_note_iterator
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	if ret := C.git_note_iterator_new(&ptr, repo.ptr, cref); ret < 0 {
+		return nil, MakeGitError(ret)
+	}
+
+	iter := &NoteIterator{ptr: ptr}
+	runtime.SetFinalizer(iter, (*NoteIterator).Free)
+	return iter, nil
+}
+
+// Free frees the note interator
+func (v *NoteIterator) Free() {
+	runtime.SetFinalizer(v, nil)
+	C.git_note_iterator_free(v.ptr)
+}
+
+// Next returns the current item (note id & annotated id) and advances the
+// iterator internally to the next item
+func (it *NoteIterator) Next() (noteId, annotatedId *Oid, err error) {
+	noteId, annotatedId = new(Oid), new(Oid)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	if ret := C.git_note_next(noteId.toC(), annotatedId.toC(), it.ptr); ret < 0 {
+		err = MakeGitError(ret)
+	}
+	return
+}