From 2ad432088fa3228319e85564f0735e33ea3b6e2f Mon Sep 17 00:00:00 2001
From: jdhao <jdhao@hotmail.com>
Date: Sat, 14 Nov 2020 14:29:37 +0800
Subject: move function to autoload dir

---
 autoload/buf_utils.vim | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 autoload/buf_utils.vim

(limited to 'autoload/buf_utils.vim')

diff --git a/autoload/buf_utils.vim b/autoload/buf_utils.vim
new file mode 100644
index 0000000..db34ae0
--- /dev/null
+++ b/autoload/buf_utils.vim
@@ -0,0 +1,26 @@
+function! buf_utils#GoToBuffer(count, direction) abort
+  if a:count == 0
+    if a:direction ==# 'forward'
+      bnext
+    elseif a:direction ==# 'backward'
+      bprevious
+    else
+      echoerr 'Bad argument ' a:direction
+    endif
+    return
+  endif
+  " Check the validity of buffer number.
+  if index(s:GetBufNums(), a:count) == -1
+    echohl WarningMsg | echomsg 'Invalid bufnr: ' a:count | echohl None
+    return
+  endif
+
+  " Do not use {count} for gB (it is less useful)
+  if a:direction ==# 'forward'
+    silent execute('buffer' . a:count)
+  endif
+endfunction
+
+function! s:GetBufNums() abort
+  return map(copy(getbufinfo({'buflisted':1})), 'v:val.bufnr')
+endfunction
-- 
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