Middlewares-Linux/AsrService/Util.cpp

#include "Util.h"
#include <chrono>
#include <sstream>
#include "tinyxml.h"

/*
<?xml version="1.0" encoding="utf-8"?>
<result>
<interpretation grammar="session:hello" confidence="1">
<instance>
<result>也不准确。</result>
<beginTime>2420</beginTime>
<endTime>3540</endTime>
<taskId>fba26d3861574ac4b55c01f4881c5bae</taskId>
<waveformUri>b3f91c673b9146b7-7.wav</waveformUri>
</instance>
<input mode="speech">也不准确。</input>
</interpretation>
</result>
*/
bool parseASRXml(const char* desc, std::string& result, std::string& error)
{
	try{
		TiXmlDocument doc;
		doc.Parse(desc);
		auto pRoot = doc.RootElement();
		if (pRoot != nullptr && pRoot->ValueStr() == "result") {
		  auto pElement = pRoot->FirstChildElement("interpretation");
		  if (pElement) {
			  auto pInput = pElement->FirstChildElement("input");
			  if (pInput) {
				  auto pText = pInput->GetText();
				  result = pText != nullptr ? pText : "";
				  return true;
			  }
		  }
		}
	}
	catch (const std::exception& e){
		error = e.what();
	}
	return false;
}

int64_t GetUnixTime()
{
	int64_t times = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
	return times;
}

std::string std::to_string(const char * src)
{
	if (src == nullptr)return "";
	std::stringstream ss;
	ss << src;
	std::string str;
	ss >> str;
	return str;
}