helpers.h

/******************************************************************************
 *  Tank AI Programming challenge
 *
 *  Written by: Steven Smethurst 
 *  Created: Nov 04, 2012 
 * 
 ******************************************************************************/
#pragma once

#include <string>
#include <algorithm> 
#include <functional> 
#include <cctype>
#include <locale>

template<typename T>
std::string toString(const T& value)
{
    std::ostringstream oss;
    oss << value;
    return oss.str();
}

// trim from start
static inline std::string &ltrim(std::string &s) {
    s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
    return s;
}

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

// trim from both ends
static inline std::string &trim(std::string &s) {
	return ltrim(rtrim(s));
}