String.h

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// ###########################################################################################################################################################################################################################################################################################################################
 
#pragma once
 
// OpenTwin header
#include "OTCore/OTClassHelper.h"
#include "OTCore/CoreAPIExport.h"
 
// std header
#include <list>
#include <string>
#include <sstream>
#include <iomanip>
 
namespace ot {
 
    class OT_CORE_API_EXPORT String {
        OT_DECL_NOCOPY(String)
        OT_DECL_NODEFAULT(String)
    public:
 
        static std::string toLower(const std::string& _string);
 
        static std::string evaluateEscapeCharacters(const std::string& _string);
 
        static std::list<std::string> split(const std::string& _str, char _splitBy, bool _skipEmpty = false);
 
        static std::list<std::string> split(const std::string& _str, const std::string& _splitBy, bool _skipEmpty = false);
 
        static std::list<std::wstring> split(const std::wstring& _str, wchar_t _splitBy, bool _skipEmpty = false);
 
        static std::list<std::wstring> split(const std::wstring& _str, const std::wstring& _splitBy, bool _skipEmpty = false);
 
        static std::list<std::string> smartSplit(const std::string& _str, const std::string& _splitBy, bool _evaluateEscapeCharacters = true, bool _skipEmpty = false);
 
        static std::string replace(const std::string& _str, const std::string& _what, const std::string& _with);
 
        static std::wstring replace(const std::wstring& _str, const std::wstring& _what, const std::wstring& _with);
 
        static char* getCStringCopy(const std::string& _str);
 
        static wchar_t* getCStringCopy(const std::wstring& _str);
 
        template <class T> static inline T toNumber(const std::string& _string, bool& _failed);
 
        template <class T> static inline std::string numberToHexString(T _number, char _fill = '0', int _length = 16);
    };
}
 
template <class T> T ot::String::toNumber(const std::string& _string, bool& _failed) {
    std::stringstream ss(_string);
    T v;
    ss >> v;
    _failed = false;
    if (ss.fail()) { _failed = true; }
    std::string rest;
    ss >> rest;
    if (!rest.empty()) { _failed = true; }
    return v;
}
 
template <class T> inline std::string ot::String::numberToHexString(T _number, char _fill, int _length) {
    std::stringstream ss;
    ss << std::hex << std::setw(_length) << std::setfill(_fill) << _number;
    return std::move(ss.str());
}