From 93a2713ba757763108355ba52018c47763f1cd44 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Mon, 14 Sep 2020 19:51:30 +0800
Subject: [PATCH] append TrimFileExtName function.

---
 inc/hgl/filesystem/FileSystem.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/inc/hgl/filesystem/FileSystem.h b/inc/hgl/filesystem/FileSystem.h
index bf34479..bf1089b 100644
--- a/inc/hgl/filesystem/FileSystem.h
+++ b/inc/hgl/filesystem/FileSystem.h
@@ -116,6 +116,28 @@ namespace hgl
                                 fullname.SubString(pos+1,   end-(pos+1));
         }
 
+        /**
+         * 清除完整文件名中的扩展名
+         * @param fullname 完整文件名
+         * @param include_dot 是否包括点也清除
+         */
+        template<typename T>
+        inline String<T> TrimFileExtName(const String<T> &fullname,bool include_dot=false)
+        {
+            int end=fullname.FindChar(T('?'));         //url的文件名，以?为结束
+
+            if(end==-1)
+                end=fullname.Length();
+
+            int pos=fullname.FindRightChar(fullname.Length()-end,T('.'));
+
+            if(pos==-1)
+                return String<T>();
+
+            return include_dot? fullname.SubString(0,pos):
+                                fullname.SubString(0,pos+1);
+        }
+
         /**
          * 截取路径最后一个名字
          */