StringTools.h

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#pragma once
#include <string>
#include <sstream>
#include <vector>
#include <cmath>

namespace Hazelnp
{
    namespace Internal
    {
        /** Internal helper class. Feel free to use it tho.
        */
        class StringTools
        {
        public:
            //! Will return wether or not a given char is in a string
            static bool Contains(const std::string& str, const char c);

            //! Will replace a part of a string with another string
            static std::string Replace(const std::string& str, const char find, const std::string& subst);

            //! Will replace a part of a string with another string
            static std::string Replace(const std::string& str, const std::string& find, const std::string& subst);

            //! Will return true if the given string consists only of digits (including signage)
            static bool IsNumeric(const std::string& str, const bool allowDecimalPoint = false);

            //! Will convert the number in str to a number.  
            //! Returns wether or not the operation was successful.  
            //! Also returns wether the number is an integer, or floating point. If int, cast out_number to int.
            static bool ParseNumber(const std::string& str, bool& out_isInt, long double& out_number);

            //! Will split a string by a delimiter char. The delimiter will be excluded!
            static std::vector<std::string> SplitString(const std::string& str, const char delimiter);

            //! Will split a string by a delimiter string. The delimiter will be excluded!
            static std::vector<std::string> SplitString(const std::string& str, const std::string& delimiter);

            //! Will make a string all lower-case
            static std::string ToLower(const std::string& str);
        };
    }
}