Add support for QJsonDocument, from Qt 5.0. Use QTDIR=/path/to/qt on bjam command line to add it to targets.

Author: jefftrull

Jamroot

@@ -24,6 +24,12 @@ if $(JSON_SPIRIT_ROOT)
 
 local RAPIDJSON_ROOT = [ os.environ RAPIDJSON_ROOT ] ;
 
+local QT_ROOT = [ os.environ QTDIR ] ;
+if $(QT_ROOT)
+{
+   using qt5 : $(QT_ROOT) ;
+}
+
 # Declare targets for dependencies
 lib jsoncpplib : : <name>jsoncpp : : <include>/usr/include/jsoncpp ;
 
@@ -52,6 +58,11 @@ bexe benchmark_spirit.cpp /json_spirit//json ;
 bexe benchmark_rapidjson.cpp : <include>$(RAPIDJSON_ROOT)/include ; 
 bexe benchmark_jsoncpp.cpp jsoncpplib ;
 
+if $(QT_ROOT)
+{
+    exe benchmark_qjsondoc : benchmark_qjsondoc.cpp /qt5//QtCore ;
+}
+
 # TODO: find out how to run all programs after build
 #actions run-benchmark { $(>[1]) ; }
 #notfile benchmark_rapidjson-run : @run-benchmark : benchmark_rapidjson ;

README.md

@@ -10,6 +10,7 @@ List of currently measured libraries:
 * [jsoncpp](http://jsoncpp.sourceforge.net/)
 * [libjson](http://sourceforge.net/projects/libjson/)
 * [rapidjson](http://code.google.com/p/rapidjson/)
+* [QJsonDocument](http://qt-project.org/doc/qt-5.0/qtcore/qjsondocument.html)
 
 Disclaimer
 ----------

benchmark_qjsondoc.cpp

@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2013 Jeff Trull <[email protected]>
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+
+
+#include "json_benchmark.hpp"
+
+#include <QJsonDocument>
+
+
+int main() {
+    try
+    {
+        jsonbench::run_benchmark("QJsonDocument", [](std::string const& s) {
+            QJsonParseError err;
+            return !QJsonDocument::fromJson(s.c_str(), &err).isNull() && (err.error == QJsonParseError::NoError);
+        });
+
+        return EXIT_SUCCESS;
+    }
+    catch (std::exception const& e)
+    {
+        std::cerr << e.what() <<std::endl;
+    }
+    return EXIT_FAILURE;
+
+}
+