From 66aa9c523530d295f2d9e80efe093da6f3bad753 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Mon, 9 Jan 2017 20:26:18 -0500
Subject: [PATCH] add Buffer::Iterator::{prev,next}()

---
 src/core/Buffer-Iterator.cc | 14 ++++++++++++++
 src/core/Buffer.h           |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/src/core/Buffer-Iterator.cc b/src/core/Buffer-Iterator.cc
index daa0ce7..40029bf 100644
--- a/src/core/Buffer-Iterator.cc
+++ b/src/core/Buffer-Iterator.cc
@@ -201,3 +201,17 @@ void Buffer::Iterator::warp_to_offset(size_t offset)
         }
     }
 }
+
+Buffer::Iterator Buffer::Iterator::prev()
+{
+    Iterator i = *this;
+    i.go_back();
+    return i;
+}
+
+Buffer::Iterator Buffer::Iterator::next()
+{
+    Iterator i = *this;
+    i.go_forward();
+    return i;
+}
diff --git a/src/core/Buffer.h b/src/core/Buffer.h
index a98d258..3fe2602 100644
--- a/src/core/Buffer.h
+++ b/src/core/Buffer.h
@@ -41,6 +41,8 @@ public:
         bool go_right_in_line(bool allow_eol);
         bool go_previous_line();
         bool go_next_line();
+        Iterator prev();
+        Iterator next();
         void warp(ssize_t offset_offset, ssize_t line_offset)
         {
             m_offset += offset_offset;