From d07f9d0392e7a46229a8c6b72ecec37f8dab52a5 Mon Sep 17 00:00:00 2001
From: "HuYingzhuo(hugo/hyzboy)" <hyzboy@outlook.com>
Date: Tue, 7 Feb 2023 19:56:48 +0800
Subject: [PATCH] added IsEmpty and AddUnique functions at StringList.

---
 inc/hgl/type/StringList.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/inc/hgl/type/StringList.h b/inc/hgl/type/StringList.h
index ad0dc28..8724b98 100644
--- a/inc/hgl/type/StringList.h
+++ b/inc/hgl/type/StringList.h
@@ -29,6 +29,8 @@ namespace hgl
         StringClass **  begin       ()const{return Items.GetData();}
         StringClass **  end         ()const{return Items.GetData()+Items.GetCount();}
 
+        const bool      IsEmpty     ()const { return Items.IsEmpty(); }                             ///<字符串列表是否为空
+
     public: //操作符重载
 
         StringClass &operator[](int n)const
@@ -79,6 +81,19 @@ namespace hgl
         */
         int Add(const StringClass &str){return Items.Add(new StringClass(str));}                    ///<添加字符串
 
+        /**
+         * 增加一行字符串到当前列表中,同时做重复判断，重复则不添加
+         */
+        int AddUnique(const StringClass &str)
+        {
+            int pos=Find(str);
+
+            if(pos!=-1)
+                return pos;
+
+            return Items.Add(new StringClass(str));
+        }
+
         /**
         * 增加一个字符串列表到当前字符串列表中
         * @param sl 要增加的字符串列表