utils.hpp 1.55 KB
/* 
 * File:   utils.hpp
 * Author: mlenart
 *
 * Created on 24 październik 2013, 17:56
 */

#ifndef UTILS_HPP
#define	UTILS_HPP

#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <fstream>
#include <vector>

//using namespace std;

//#define DEBUG_BUILD

#ifdef DEBUG_BUILD
#define DEBUG(x) do { std::cerr << x << std::endl; } while (0)
#else
#define DEBUG(x)
#endif

inline void validate(const bool cond, const std::string& msg) {
    if (!cond) {
        std::cerr << msg << std::endl;
        throw msg;
    }
}

inline std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems) {
    std::stringstream ss(s);
    std::string item;
    while (std::getline(ss, item, delim)) {
        elems.push_back(item);
    }
    return elems;
}

inline std::vector<std::string> split(const std::string &s, char delim) {
    std::vector<std::string> elems;
    split(s, delim, elems);
    return elems;
}

//string &rtrim(string &s) {
//        s.erase(find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(), s.end());
//        return s;
//}

template <class T>
inline T* readFile(const char* fname) {
    std::ifstream ifs;
    ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
    ifs.open(fname, std::ios::in | std::ios::binary | std::ios::ate);
    //    if (ifs.is_open()) {
    long size = ifs.tellg();
    T* memblock = new T[size];
    ifs.seekg(0, std::ios::beg);
    ifs.read(reinterpret_cast<char*> (memblock), size);
    ifs.close();
    return memblock;
}

#endif	/* UTILS_HPP */