From 6ee8f22d73cb1e7d241a8c335207af80df6dae1e Mon Sep 17 00:00:00 2001
From: chrox <chrox.huang@gmail.com>
Date: Tue, 7 Oct 2014 13:06:52 +0800
Subject: [PATCH] add clear api for DocSettings to remove both history settings
 and sidecar settings

---
 frontend/docsettings.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/frontend/docsettings.lua b/frontend/docsettings.lua
index 6fcf7c811..76fe705ab 100644
--- a/frontend/docsettings.lua
+++ b/frontend/docsettings.lua
@@ -146,4 +146,13 @@ function DocSettings:close()
     self:flush()
 end
 
+function DocSettings:clear()
+    if self.history_file then
+        os.remove(self.history_file)
+    end
+    if self.sidecar_file then
+        os.remove(self.sidecar_file)
+    end
+end
+
 return DocSettings