From 91250fcd5487307793ec5b495bbbc91eed888758 Mon Sep 17 00:00:00 2001
From: Peter Thorson <github@zaphoyd.com>
Date: Sat, 20 Apr 2013 08:56:19 -0500
Subject: [PATCH] adds a string_replace_all utility function

---
 test/utility/utilities.cpp          |  8 ++++++++
 websocketpp/impl/utilities_impl.hpp | 11 +++++++++++
 websocketpp/utilities.hpp           |  6 ++----
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/test/utility/utilities.cpp b/test/utility/utilities.cpp
index 5dc394e65f..3dd78fba2b 100644
--- a/test/utility/utilities.cpp
+++ b/test/utility/utilities.cpp
@@ -56,4 +56,12 @@ BOOST_AUTO_TEST_CASE( substr_not_found ) {
     BOOST_CHECK(websocketpp::utility::ci_find_substr(haystack,needle) == haystack.end());
 }
 
+BOOST_AUTO_TEST_CASE( string_replace_all ) {
+    std::string source = "foo \"bar\" baz";
+    std::string dest = "foo \\\"bar\\\" baz";
+    
+    using websocketpp::utility::string_replace_all;
+    BOOST_CHECK_EQUAL(string_replace_all(source,"\"","\\\""),dest);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
diff --git a/websocketpp/impl/utilities_impl.hpp b/websocketpp/impl/utilities_impl.hpp
index 0762d26e00..b3ff1a0858 100644
--- a/websocketpp/impl/utilities_impl.hpp
+++ b/websocketpp/impl/utilities_impl.hpp
@@ -61,6 +61,17 @@ inline std::string to_hex(const char* input,size_t length) {
     return to_hex(reinterpret_cast<const uint8_t*>(input),length);
 }
 
+inline std::string string_replace_all(std::string subject, const std::string& 
+    search, const std::string& replace)
+{
+    size_t pos = 0;
+    while((pos = subject.find(search, pos)) != std::string::npos) {
+         subject.replace(pos, search.length(), replace);
+         pos += replace.length();
+    }
+    return subject;
+}
+
 } // namespace utility
 } // namespace websocketpp
 
diff --git a/websocketpp/utilities.hpp b/websocketpp/utilities.hpp
index 15687954f6..991ab3dcce 100644
--- a/websocketpp/utilities.hpp
+++ b/websocketpp/utilities.hpp
@@ -68,10 +68,8 @@ typename T::const_iterator ci_find_substr(const T& str1,
 
 
 
-/// Host to network long long
-//uint64_t htonll(uint64_t src);
-/// Network to host long long
-//uint64_t ntohll(uint64_t src);
+std::string string_replace_all(std::string subject, const std::string& search,
+                          const std::string& replace);
 
 /// Convert std::string to ascii printed string of hex digits
 std::string to_hex(const std::string& input);