From 5732b9e64cb1d47222cec3e99103947e2a8ce8d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20D=C3=A9al?= <samuel.deal@aziugo.com>
Date: Mon, 11 Mar 2019 19:09:40 +0100
Subject: [PATCH] Add the positionnal option to make parser stop on first
 unknown option

---
 SimpleOpt.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/SimpleOpt.h b/SimpleOpt.h
index bd2da41..61483a4 100644
--- a/SimpleOpt.h
+++ b/SimpleOpt.h
@@ -267,7 +267,10 @@ enum _ESOFlags
     SO_O_ICASE_WORD  = 0x0400, 
 
     /*! Case-insensitive comparisons for all arg types */
-    SO_O_ICASE       = 0x0700  
+    SO_O_ICASE       = 0x0700,  
+
+    /*! Set the parser stop at first unvalid option*/
+    SO_O_POSITIONAL = 0x0800
 };
 
 /*! Types of arguments that options may have. Note that some of the _ESOFlags
@@ -679,6 +682,11 @@ CSimpleOptTempl<SOCHAR>::Next()
         // and we are not suppressing errors for invalid options then it
         // is reported as an error, otherwise it is data.
         if (nTableIdx < 0) {
+            if (HasFlag(SO_O_POSITIONAL)) {
+                Stop();
+                return false;
+            }
+
             if (!HasFlag(SO_O_NOERR) && pszArg[0] == (SOCHAR)'-') {
                 m_pszOptionText = pszArg;
                 break;