From bad5f00c445c820c25d0a1da74374d55e62fbce0 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Mon, 17 Aug 2015 19:50:23 +0900
Subject: [PATCH] Add experimental completion helper function

---
 plugin/fzf.vim | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/plugin/fzf.vim b/plugin/fzf.vim
index 49ec516..5458896 100644
--- a/plugin/fzf.vim
+++ b/plugin/fzf.vim
@@ -364,6 +364,22 @@ endfunction
 
 command! -bang Snippets call s:snippets(<bang>0)
 
+" ----------------------------------------------------------------------------
+" Completion helper
+" ----------------------------------------------------------------------------
+function! s:complete_insert(data)
+  execute 'normal!' (empty(s:query) ? 'a' : 'ciW')."\<C-R>=a:data\<CR>"
+  startinsert!
+endfunction
+
+function! fzf#complete(source, ...)
+  let s:query = get(a:, 1, expand('<cWORD>'))
+  call s:fzf({
+  \ 'source':  a:source,
+  \ 'sink':    function('s:complete_insert'),
+  \ 'options': '+m -q '.shellescape(s:query)}, 0)
+endfunction
+
 " ------------------------------------------------------------------
 let &cpo = s:cpo_save
 unlet s:cpo_save