added StringRef implementation file to implement operator<<

lib/Basics/StringRef.cpp

@@ -0,0 +1,32 @@
+////////////////////////////////////////////////////////////////////////////////
+/// DISCLAIMER
+///
+/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
+/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+/// Copyright holder is ArangoDB GmbH, Cologne, Germany
+///
+/// @author Jan Steemann
+////////////////////////////////////////////////////////////////////////////////
+
+#include "StringRef.h"
+
+#include <iostream>
+
+std::ostream& operator<<(std::ostream& stream, arangodb::StringRef const& ref) {
+  stream << std::string(ref.data(), ref.length());
+  return stream;
+}
+

lib/Basics/StringRef.h

@@ -30,6 +30,8 @@
 #include <velocypack/Slice.h>
 #include <velocypack/Value.h>
 
+#include <iosfwd>
+
 namespace arangodb {
 
 /// @brief a struct describing a C character array
@@ -174,6 +176,8 @@ class StringRef {
 
 }
 
+std::ostream& operator<<(std::ostream&, arangodb::StringRef const&);
+
 inline bool operator==(arangodb::StringRef const& lhs, arangodb::StringRef const& rhs) {
   return (lhs.size() == rhs.size() && memcmp(lhs.data(), rhs.data(), lhs.size()) == 0);
 }
@@ -227,4 +231,5 @@ struct equal_to<arangodb::StringRef> {
 
 }
 
+
 #endif

lib/CMakeLists.txt

@@ -140,6 +140,7 @@ add_library(${LIB_ARANGO} STATIC
   Basics/StaticStrings.cpp
   Basics/StringBuffer.cpp
   Basics/StringHeap.cpp
+  Basics/StringRef.cpp
   Basics/StringUtils.cpp
   Basics/Thread.cpp
   Basics/ThreadPool.cpp