From d7182af3992c8e1dc488eeaf689f7c4f61de8048 Mon Sep 17 00:00:00 2001
From: kervala <none@none>
Date: Mon, 21 Nov 2016 20:57:18 +0100
Subject: [PATCH] Changed: New join function to do the opposite work of explode

--HG--
branch : develop
---
 code/nel/include/nel/misc/common.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/code/nel/include/nel/misc/common.h b/code/nel/include/nel/misc/common.h
index 0617ad560..c677a01bf 100644
--- a/code/nel/include/nel/misc/common.h
+++ b/code/nel/include/nel/misc/common.h
@@ -478,6 +478,22 @@ template <class T> void explode (const T &src, const T &sep, std::vector<T> &res
 	while(pos != std::string::npos);
 }
 
+/** Join a string (or ucstring) from a vector of strings with *sep* as separator. If sep can be more than 1 char, in this case,
+* we find the entire sep to separator (it s not a set of possible separator)
+*/
+template <class T, class U> void join(const std::vector<T>& strings, const U& separator, T &res)
+{
+	res.clear();
+
+	for (uint i = 0, len = strings.size(); i<len; ++i)
+	{
+		// add in separators before all but the first string
+		if (!res.empty()) res += separator;
+
+		// append next string
+		res += strings[i];
+	}
+}
 
 /* All the code above is used to add our types (uint8, ...) in the stringstream (used by the toString() function).
  * So we can use stringstream operator << and >> with all NeL simple types (except for ucchar and ucstring)