From af3e1f92ec71df8b3a10f638f9a7d6b18fa474d6 Mon Sep 17 00:00:00 2001
From: Alexander Stillich <dr.west@zoho.com>
Date: Tue, 7 Nov 2017 22:16:59 +0100
Subject: [PATCH] Added StringUtil::replaceAll()

---
 components/misc/stringops.hpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/components/misc/stringops.hpp b/components/misc/stringops.hpp
index 9acd81710..12c222036 100644
--- a/components/misc/stringops.hpp
+++ b/components/misc/stringops.hpp
@@ -2,6 +2,7 @@
 #define MISC_STRINGOPS_H
 
 #include <cctype>
+#include <cstring>
 #include <string>
 #include <algorithm>
 
@@ -138,6 +139,35 @@ public:
 
         return notFound;
     }
+
+    /** @brief Replaces all occurrences of a string in another string.
+     *
+     * @param str The string to operate on.
+     * @param what The string to replace.
+     * @param with The replacement string.
+     * @param what_len The length of the string to replace.
+     * @param with_len The length of the replacement string.
+     *
+     * @return A reference to the string passed in @p str.
+     */
+    static std::string &replaceAll(std::string &str, const char *what, const char *with,
+                                   std::size_t what_len=std::string::npos, std::size_t with_len=std::string::npos)
+    {
+        if (what_len == std::string::npos)
+            what_len = strlen(what);
+
+        if (with_len == std::string::npos)
+            with_len = strlen(with);
+
+        std::size_t found;
+        std::size_t offset = 0;
+        while((found = str.find(what, offset, what_len)) != std::string::npos)
+        {
+              str.replace(found, what_len, with, with_len);
+              offset = found + with_len;
+        }
+        return str;
+    }
 };
 
 }