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Simple example of parsing and consuming JSON array with boost::property_tree
#ifdef _MSC_VER
#include <boost/config/compiler/visualc.hpp>
#endif
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <boost/foreach.hpp>
#include <cassert>
#include <exception>
#include <iostream>
#include <sstream>
#include <string>
int main()
{
try
{
std::stringstream ss;
ss << "{ \"root\": { \"values\": [1, 2, 3, 4, 5 ] } }";
boost::property_tree::ptree pt;
boost::property_tree::read_json(ss, pt);
BOOST_FOREACH(boost::property_tree::ptree::value_type &v, pt.get_child("root.values"))
{
assert(v.first.empty()); // array elements have no names
std::cout << v.second.data() << std::endl;
}
return EXIT_SUCCESS;
}
catch (std::exception const& e)
{
std::cerr << e.what() << std::endl;
}
return EXIT_FAILURE;
}
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