From 87a78a78dcb88d1656eda5dcbdf306fb55eba575 Mon Sep 17 00:00:00 2001
From: Alexander Karatarakis <alkarata@microsoft.com>
Date: Wed, 2 Nov 2016 19:34:30 -0700
Subject: [Strings] Add join()

---
 toolsrc/include/vcpkg_Strings.h |  3 +++
 toolsrc/src/vcpkg_Strings.cpp   | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)

(limited to 'toolsrc')

diff --git a/toolsrc/include/vcpkg_Strings.h b/toolsrc/include/vcpkg_Strings.h
index 70526198c..d55a01224 100644
--- a/toolsrc/include/vcpkg_Strings.h
+++ b/toolsrc/include/vcpkg_Strings.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
 namespace vcpkg {namespace Strings {namespace details
 {
@@ -67,4 +68,6 @@ namespace vcpkg {namespace Strings
     std::string::const_iterator case_insensitive_ascii_find(const std::string& s, const std::string& pattern);
 
     std::string ascii_to_lowercase(const std::string& input);
+
+    std::string join(const std::vector<std::string>& v, const std::string& delimiter);
 }}
diff --git a/toolsrc/src/vcpkg_Strings.cpp b/toolsrc/src/vcpkg_Strings.cpp
index 56eeae7a0..c53cba1fc 100644
--- a/toolsrc/src/vcpkg_Strings.cpp
+++ b/toolsrc/src/vcpkg_Strings.cpp
@@ -64,4 +64,25 @@ namespace vcpkg {namespace Strings
         std::transform(output.begin(), output.end(), output.begin(), ::tolower);
         return output;
     }
+
+    std::string join(const std::vector<std::string>& v, const std::string& delimiter)
+    {
+        if (v.empty())
+        {
+            return std::string();
+        }
+
+        std::string output;
+        size_t size = v.size();
+
+        output.append(v.at(0));
+
+        for (int i = 1; i < size; ++i)
+        {
+            output.append(delimiter);
+            output.append(v.at(i));
+        }
+
+        return output;
+    }
 }}
-- 
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