From e9a9946856de1cc7e46f172e7a992fb597ad1202 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=83=A1=E5=89=91=E6=B3=A2?= <940930034@qq.com>
Date: Tue, 25 Aug 2020 19:57:07 +0800
Subject: [PATCH] Fixed multiple cell throw exception.

---
 source/worksheet/range_reference.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/source/worksheet/range_reference.cpp b/source/worksheet/range_reference.cpp
index 490cac55..5f8091ee 100644
--- a/source/worksheet/range_reference.cpp
+++ b/source/worksheet/range_reference.cpp
@@ -49,7 +49,15 @@ range_reference::range_reference(const char *range_string)
 range_reference::range_reference(const std::string &range_string)
     : top_left_("A1"), bottom_right_("A1")
 {
-    auto colon_index = range_string.find(':');
+    auto colon_index = range_string.find(' ');
+
+    if (colon_index != std::string::npos)
+    {
+        // Multiple cell selection is not supported at this time.
+        return;
+    }
+
+    colon_index = range_string.find(':');
 
     if (colon_index != std::string::npos)
     {