Ticket #5210: test_property_tree.cpp

#include <sstream>
#include <iostream>
#include "boost/foreach.hpp"
#include "boost/property_tree/xml_parser.hpp"
#include "boost/property_tree/json_parser.hpp"
#include "boost/property_tree/ptree.hpp"
#include "boost/property_tree/detail/xml_parser_writer_settings.hpp"

using namespace boost::property_tree;
using namespace std;


void printLevel(stringstream & sout , const ptree& pt, const unsigned int indent = 0)
{
    BOOST_FOREACH(const ptree::value_type &v, pt)
    {
        string key = v.first;
        string value = v.second.get_value("");
        string indent_str = std::string( indent, ' ');
        sout << indent_str << key << ": \"" << value <<"\"" << endl;
        if(! v.second.empty() )
            printLevel(sout, v.second, indent + 4);
    }
}

void logPtree(const ptree& pt)
{
    stringstream ostream;
    printLevel(ostream, pt);
    cout <<ostream.str();
}

ptree readXml(const std::string & filename)
{
    ptree pt;
    read_xml(filename, pt);
    return pt;
}

std::string writeJson(const ptree & pt)
{
    std::stringstream result;
    write_json(result, pt);
    return result.str();
}

void cleanUpPtree(ptree & pt)
{
    // remove empty strings in nodes
    BOOST_FOREACH(ptree::value_type &v, pt)
    {
        if(! v.second.empty() )
            v.second.put_value("");
        cleanUpPtree(v.second);
    }
}

int main()
{
    ptree pt = readXml("Shop.xml");
    logPtree(pt);
    //cleanUpPtree(pt); // remove values from nodes with children
    string json(writeJson(pt));
    cout << json << endl;
}