StringUtilities.h

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// Copyright CERN 2012 - Developed in collaboration with GSI

#ifndef STRING_UTILITIES_H_
#define STRING_UTILITIES_H_

#include <string>
#include <sstream>
#include <vector>

#include <stdint.h>

namespace fesa
{

class StringUtilities
{
  public:

    static void tokenize(const std::string& str, std::vector<std::string>& tokens,
                         const std::string& delimiter = " ");

    static void trimWhiteSpace(std::string& str);

    static void removeBrackets(std::string& str);

    static void addBrackets(std::string& str);

    static void getElements(const std::string& str, std::vector<std::string>& elements);

    static void addElements(std::string& str,const std::vector<std::string>& elements);


    static std::string toString(signed char data);

    static std::string toString(uint32_t data);

    static std::string toString(int32_t data);

    static std::string toString(int64_t data);

    static std::string toString(double data);

    static std::string toString(const void* ptr);

    static bool fromString(bool& value, const std::string& str);

    static bool fromString(signed char& value, const std::string& str);

    template<typename T> static bool fromString(T&, const std::string&);
};

//******************************************************************

inline bool StringUtilities::fromString(bool& val, const std::string& str)
{
    if (str == "true" || str == "1")
    {
        val = true;
        return true;
    }
    if (str == "false" || str == "0")
    {
        val = false;
        return true;
    }
    return false;
}

inline bool StringUtilities::fromString(signed char& val, const std::string& str)
{
    std::istringstream iss(str);
    int32_t tmp;
    iss >> tmp;
    val = (signed char) tmp;
    return !(iss >> tmp).fail();
}

template<typename T>
inline bool StringUtilities::fromString(T& val, const std::string& str)
{
    std::istringstream iss(str);
    return !(iss >> val).fail();
}

} // fesa


#endif // STRING_UTILITIES_H_