move fairmq json parser to fairmq/options

fairmq/options/ProgOptionTest/lib/FairMQParserExample.h

@@ -0,0 +1,94 @@
+/* 
+ * File:   FairMQParserExample.h
+ * Author: winckler
+ *
+ * Created on May 14, 2015, 5:01 PM
+ */
+
+#ifndef FAIRMQPARSEREXAMPLE_H
+#define	FAIRMQPARSEREXAMPLE_H
+
+// FairRoot
+#include "FairMQChannel.h"
+#include "FairMQParser.h"
+
+// Boost
+#include <boost/property_tree/ptree.hpp>
+
+// std
+#include <string>
+#include <vector>
+#include <map>
+
+
+namespace FairMQParser
+{
+    
+    ////////////////////////////////////////////////////////////////////////////
+    /////////////////////////////////// XML ////////////////////////////////////
+    ////////////////////////////////////////////////////////////////////////////
+    
+    // xml example 1
+    ////////////////////////////////////////////////////////////////////////////
+    struct XML 
+    {
+        FairMQMap UserParser(const std::string& filename, const std::string& device_id, const std::string& root_node="fairMQOptions");
+        FairMQMap UserParser(std::stringstream& input_ss, const std::string& device_id, const std::string& root_node="fairMQOptions");
+    };
+    
+    // xml example 2
+    ////////////////////////////////////////////////////////////////////////////
+    struct MQXML2 
+    {
+        boost::property_tree::ptree UserParser(const std::string& filename);
+    };
+
+    // xml example 3
+    ////////////////////////////////////////////////////////////////////////////
+    struct MQXML3
+    {
+        boost::property_tree::ptree UserParser(const std::string& filename, const std::string& root_node);
+    };
+    
+    
+    
+    
+    ////////////////////////////////////////////////////////////////////////////
+    // template function iterating over the whole boost property tree
+    template <typename Input_tree_It, typename Output_tree_It, typename Compare_key>
+    void ProcessTree(Input_tree_It first, Input_tree_It last, Output_tree_It dest, Compare_key compare)
+    {
+        //typedef typename std::iterator_traits<Input_tree_It>::reference reference;
+
+        if (first == last)
+        {
+            return;
+        }
+
+        auto begin = first->second.begin ();
+        auto end = first->second.end ();
+
+        if (begin != end)
+        {
+            ProcessTree (begin, end, dest, compare);
+        }
+
+        if (compare (first->first))
+        {
+            dest = *first;
+        }
+
+        ProcessTree (++first, last, dest, compare);
+    }
+    
+    class no_id_exception: public std::exception
+    {
+        virtual const char* what() const throw()
+        {
+          return "Empty string for the device-id in FairMQParser::ptreeToMQMap(...) function";
+        }
+    };
+    
+} //  end FairMQParser namespace
+#endif	/* FAIRMQPARSEREXAMPLE_H */
+