Avoid the spurious newline insertion when replacing at end of buffer

Add a Buffer::replace method to handle the replacements properly
Fixes #633

1 files changed, 7 insertions, 0 deletions

diff --git a/src/buffer_utils.hh b/src/buffer_utils.hh
index 543e2357..97c5374d 100644
--- a/src/buffer_utils.hh
+++ b/src/buffer_utils.hh
@@ -21,6 +21,13 @@ inline BufferIterator erase(Buffer& buffer, const Selection& range)
                         buffer.iterator_at(buffer.char_next(range.max())));
 }
 
+inline BufferIterator replace(Buffer& buffer, const Selection& range, StringView content)
+{
+    return buffer.replace(buffer.iterator_at(range.min()),
+                          buffer.iterator_at(buffer.char_next(range.max())),
+                          content);
+}
+
 inline CharCount char_length(const Buffer& buffer, const Selection& range)
 {
     return utf8::distance(buffer.iterator_at(range.min()),