XGBooster.cc File Reference

#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <fstream>
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <vector>
#include "PhysicsTools/XGBoost/interface/XGBooster.h"

Go to the source code of this file.

Functions
std::vector< std::string >	read_features (const std::string &content)

Function Documentation

read_features()

std::vector<std::string> read_features

(

const std::string &

content

)

Definition at line 16 of file XGBooster.cc.

References Skims_PA_cff::content, mps_fire::result, cms::cuda::stream, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by pat::XGBooster::XGBooster().

                                                             {
  std::vector<std::string> result;

  std::istringstream stream(content);
  char ch;

  // Expect opening '['
  stream >> ch;
  if (ch != '[') {
    throw std::runtime_error("Expected '[' at the beginning of the JSON array!");
  }

  while (stream) {
    stream >> ch;

    if (ch == ']') {
      break;
    } else if (ch == ',') {
      continue;
    } else if (ch == '"') {
      std::string feature;
      std::getline(stream, feature, '"');
      result.push_back(feature);
    } else {
      throw std::runtime_error("Unexpected character in the JSON array!");
    }
  }

  return result;
}