Array::Array(const Poco::DynamicAny& any)
{
if ( any.type() == typeid(Array) )
{
*this = any.extract<Array>();
}
}
int main(int argc, char** argv)
{
Poco::JSON::Object::Ptr obj;
std::string dir = Poco::Environment::get("POCO_BASE") + "/JSON/samples/Benchmark/";
Poco::Path filePath(dir, "input");
std::ostringstream ostr;
if ( filePath.isFile() )
{
Poco::File inputFile(filePath);
if ( inputFile.exists() )
{
Poco::FileInputStream fis(filePath.toString());
Poco::StreamCopier::copyStream(fis, ostr);
}
else
{
std::cout << filePath.toString() << " doesn't exist!" << std::endl;
return 1;
}
}
std::cout << std::setw(25) << "POCO JSON";
std::string jsonStr = ostr.str();
try
{
Poco::JSON::DefaultHandler handler;
Poco::JSON::Parser parser;
parser.setHandler(&handler);
Poco::Timestamp time1;
parser.parse(jsonStr);
Poco::DynamicAny result = handler.result();
Poco::Timestamp time2;
printTimeDiff(time1, time2);
if ( result.type() == typeid(Poco::JSON::Object::Ptr) )
{
obj = result.extract<Poco::JSON::Object::Ptr>();
}
//Serialize to string
std::ostringstream out;
Poco::Timestamp time3;
obj->stringify(out);
Poco::Timestamp time4;
printTimeDiff(time3, time4);
std::cout << std::endl;
}
catch(Poco::JSON::JSONException jsone)
{
std::cout << jsone.message() << std::endl;
}
return 0;
}
int main(int argc, char **argv)
{
Poco::Stopwatch sw;
std::string dir = Poco::Environment::get("POCO_BASE") + "/JSON/samples/Benchmark/";
Poco::Path filePath(dir, "input.big.json");
std::ostringstream ostr;
if (filePath.isFile()) {
Poco::File inputFile(filePath);
if (inputFile.exists()) {
sw.start();
Poco::FileInputStream fis(filePath.toString());
Poco::StreamCopier::copyStream(fis, ostr);
sw.stop();
} else {
std::cout << filePath.toString() << " doesn't exist!" << std::endl;
return 1;
}
}
std::cout << "JSON Benchmark" << std::endl;
std::cout << "==============" << std::endl;
std::string jsonStr = ostr.str();
std::cout << "Total of " << jsonStr.size() << " bytes," << std::endl << "loaded in " << sw.elapsed() << " [us]," << std::endl;
std::cout << std::endl << "POCO JSON barebone parse" << std::endl;
Poco::JSON::Parser sparser(0);
sw.restart();
sparser.parse(jsonStr);
sw.stop();
std::cout << "---------------------------------" << std::endl;
std::cout << "[std::string] parsed in " << sw.elapsed() << " [us]" << std::endl;
std::cout << "---------------------------------" << std::endl;
Poco::JSON::Parser iparser(0);
std::istringstream istr(jsonStr);
sw.restart();
iparser.parse(istr);
sw.stop();
std::cout << "----------------------------------------" << std::endl;
std::cout << "[std::istringstream] parsed in " << sw.elapsed() << " [us]" << std::endl;
std::cout << "----------------------------------------" << std::endl;
std::cout << std::endl << "POCO JSON Handle/Stringify" << std::endl;
try
{
Poco::JSON::Parser sparser;
sw.restart();
sparser.parse(jsonStr);
Poco::DynamicAny result = sparser.result();
sw.stop();
std::cout << "-----------------------------------------" << std::endl;
std::cout << "[std::string] parsed/handled in " << sw.elapsed() << " [us]" << std::endl;
std::cout << "-----------------------------------------" << std::endl;
Poco::JSON::Parser isparser;
std::istringstream istr(jsonStr);
sw.restart();
isparser.parse(istr);
result = isparser.result();
sw.stop();
std::cout << "------------------------------------------------" << std::endl;
std::cout << "[std::istringstream] parsed/handled in " << sw.elapsed() << " [us]" << std::endl;
std::cout << "------------------------------------------------" << std::endl;
// Serialize to string
Poco::JSON::Object::Ptr obj;
if (result.type() == typeid(Poco::JSON::Object::Ptr)) {
obj = result.extract <Poco::JSON::Object::Ptr> ();
}
std::ostringstream out;
sw.restart();
obj->stringify(out);
sw.stop();
std::cout << "-----------------------------------" << std::endl;
std::cout << "stringified in " << sw.elapsed() << " [us]" << std::endl;
std::cout << "-----------------------------------" << std::endl;
std::cout << std::endl;
}
catch(Poco::JSON::JSONException jsone)
{
std::cout << jsone.message() << std::endl;
}
return 0;
}