mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-02-23 21:27:14 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
//
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// Benchmark.cpp
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//
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// This sample shows a benchmark of the JSON parser.
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//
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// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/JSON/Parser.h"
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#include "Poco/JSON/ParseHandler.h"
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#include "Poco/JSON/JSONException.h"
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#include "Poco/Environment.h"
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#include "Poco/Path.h"
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#include "Poco/File.h"
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#include "Poco/FileStream.h"
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#include "Poco/StreamCopier.h"
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#include "Poco/Stopwatch.h"
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#include <iostream>
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#include <iomanip>
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int main(int argc, char** argv)
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{
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Poco::Stopwatch sw;
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std::string dir = Poco::Environment::get("POCO_BASE") + "/JSON/samples/Benchmark/";
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Poco::Path filePath(dir, "input.big.json");
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std::ostringstream ostr;
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if (filePath.isFile())
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{
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Poco::File inputFile(filePath);
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if ( inputFile.exists() )
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{
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sw.start();
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Poco::FileInputStream fis(filePath.toString());
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Poco::StreamCopier::copyStream(fis, ostr);
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sw.stop();
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}
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else
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{
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std::cout << filePath.toString() << " doesn't exist!" << std::endl;
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return 1;
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}
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}
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std::cout << "JSON Benchmark" << std::endl;
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std::cout << "==============" << std::endl;
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std::string jsonStr = ostr.str();
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std::cout << "Total of " << jsonStr.size() << " bytes," << std::endl << "loaded in " << sw.elapsed() << " [us]," << std::endl;
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std::cout << std::endl << "POCO JSON barebone parse" << std::endl;
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Poco::JSON::Parser sparser(0);
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sw.restart();
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sparser.parse(jsonStr);
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sw.stop();
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std::cout << "---------------------------------" << std::endl;
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std::cout << "[std::string] parsed in " << sw.elapsed() << " [us]" << std::endl;
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std::cout << "---------------------------------" << std::endl;
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Poco::JSON::Parser iparser(0);
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std::istringstream istr(jsonStr);
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sw.restart();
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iparser.parse(istr);
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sw.stop();
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std::cout << "----------------------------------------" << std::endl;
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std::cout << "[std::istringstream] parsed in " << sw.elapsed() << " [us]" << std::endl;
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std::cout << "----------------------------------------" << std::endl;
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std::cout << std::endl << "POCO JSON Handle/Stringify" << std::endl;
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try
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{
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Poco::JSON::Parser sparser;
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sw.restart();
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sparser.parse(jsonStr);
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Poco::DynamicAny result = sparser.result();
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sw.stop();
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std::cout << "-----------------------------------------" << std::endl;
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std::cout << "[std::string] parsed/handled in " << sw.elapsed() << " [us]" << std::endl;
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std::cout << "-----------------------------------------" << std::endl;
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Poco::JSON::Parser isparser;
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std::istringstream istr(jsonStr);
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sw.restart();
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isparser.parse(istr);
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result = isparser.result();
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sw.stop();
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std::cout << "------------------------------------------------" << std::endl;
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std::cout << "[std::istringstream] parsed/handled in " << sw.elapsed() << " [us]" << std::endl;
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std::cout << "------------------------------------------------" << std::endl;
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//Serialize to string
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Poco::JSON::Object::Ptr obj;
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if ( result.type() == typeid(Poco::JSON::Object::Ptr) )
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obj = result.extract<Poco::JSON::Object::Ptr>();
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std::ostringstream out;
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sw.restart();
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obj->stringify(out);
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sw.stop();
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std::cout << "-----------------------------------" << std::endl;
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std::cout << "stringified in " << sw.elapsed() << " [us]" << std::endl;
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std::cout << "-----------------------------------" << std::endl;
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std::cout << std::endl;
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}
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catch(Poco::JSON::JSONException jsone)
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{
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std::cout << jsone.message() << std::endl;
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}
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return 0;
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}
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