StringUtils.h

/*
 *  Copyright (C) 2005-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

//-----------------------------------------------------------------------
//
//  File:      StringUtils.h
//
//  Purpose:   ATL split string utility
//  Author:    Paul J. Weiss
//
//  Modified to support J O'Leary's std::string class by kraqh3d
//
//------------------------------------------------------------------------

#include <stdarg.h>
#include <stdint.h>
#include <string>
#include <vector>
#include <sstream>
#include <locale>

// workaround for broken [[deprecated]] in coverity
#if defined(__COVERITY__)
#undef FMT_DEPRECATED
#define FMT_DEPRECATED
#endif
#include "utils/TimeFormat.h"
#include "utils/params_check_macros.h"

#include <fmt/format.h>
#if FMT_VERSION >= 80000
#include <fmt/xchar.h>
#endif

#define DEF_TO_STR_NAME(x) #x
#define DEF_TO_STR_VALUE(x) DEF_TO_STR_NAME(x)

template<typename T, std::enable_if_t<!std::is_enum<T>::value, int> = 0>
constexpr auto&& EnumToInt(T&& arg) noexcept
{
  return arg;
}
template<typename T, std::enable_if_t<std::is_enum<T>::value, int> = 0>
constexpr auto EnumToInt(T&& arg) noexcept
{
  return static_cast<int>(arg);
}

class StringUtils
{
public:
  template<typename... Args>
  static std::string Format(const std::string& fmt, Args&&... args)
  {
    // coverity[fun_call_w_exception : FALSE]
    return ::fmt::format(fmt, EnumToInt(std::forward<Args>(args))...);
  }
  template<typename... Args>
  static std::wstring Format(const std::wstring& fmt, Args&&... args)
  {
    // coverity[fun_call_w_exception : FALSE]
    return ::fmt::format(fmt, EnumToInt(std::forward<Args>(args))...);
  }

  static std::string FormatV(PRINTF_FORMAT_STRING const char *fmt, va_list args);
  static std::wstring FormatV(PRINTF_FORMAT_STRING const wchar_t *fmt, va_list args);
  static std::string ToUpper(const std::string& str);
  static std::wstring ToUpper(const std::wstring& str);
  static void ToUpper(std::string &str);
  static void ToUpper(std::wstring &str);
  static std::string ToLower(const std::string& str);
  static std::wstring ToLower(const std::wstring& str);
  static void ToLower(std::string &str);
  static void ToLower(std::wstring &str);
  static void ToCapitalize(std::string &str);
  static void ToCapitalize(std::wstring &str);
  static bool EqualsNoCase(const std::string &str1, const std::string &str2);
  static bool EqualsNoCase(const std::string &str1, const char *s2);
  static bool EqualsNoCase(const char *s1, const char *s2);
  static int CompareNoCase(const std::string& str1, const std::string& str2, size_t n = 0);
  static int CompareNoCase(const char* s1, const char* s2, size_t n = 0);
  static int ReturnDigits(const std::string &str);
  static std::string Left(const std::string &str, size_t count);
  static std::string Mid(const std::string &str, size_t first, size_t count = std::string::npos);
  static std::string Right(const std::string &str, size_t count);
  static std::string& Trim(std::string &str);
  static std::string& Trim(std::string &str, const char* const chars);
  static std::string& TrimLeft(std::string &str);
  static std::string& TrimLeft(std::string &str, const char* const chars);
  static std::string& TrimRight(std::string &str);
  static std::string& TrimRight(std::string &str, const char* const chars);
  static std::string& RemoveDuplicatedSpacesAndTabs(std::string& str);
  static int Replace(std::string &str, char oldChar, char newChar);
  static int Replace(std::string &str, const std::string &oldStr, const std::string &newStr);
  static int Replace(std::wstring &str, const std::wstring &oldStr, const std::wstring &newStr);
  static bool StartsWith(const std::string &str1, const std::string &str2);
  static bool StartsWith(const std::string &str1, const char *s2);
  static bool StartsWith(const char *s1, const char *s2);
  static bool StartsWithNoCase(const std::string &str1, const std::string &str2);
  static bool StartsWithNoCase(const std::string &str1, const char *s2);
  static bool StartsWithNoCase(const char *s1, const char *s2);
  static bool EndsWith(const std::string &str1, const std::string &str2);
  static bool EndsWith(const std::string &str1, const char *s2);
  static bool EndsWithNoCase(const std::string &str1, const std::string &str2);
  static bool EndsWithNoCase(const std::string &str1, const char *s2);

  template<typename CONTAINER>
  static std::string Join(const CONTAINER &strings, const std::string& delimiter)
  {
    std::string result;
    for (const auto& str : strings)
      result += str + delimiter;

    if (!result.empty())
      result.erase(result.size() - delimiter.size());
    return result;
  }

  static std::vector<std::string> Split(const std::string& input, const std::string& delimiter, unsigned int iMaxStrings = 0);
  static std::vector<std::string> Split(const std::string& input, const char delimiter, size_t iMaxStrings = 0);
  static std::vector<std::string> Split(const std::string& input, const std::vector<std::string> &delimiters);
  template<typename OutputIt>
  static OutputIt SplitTo(OutputIt d_first, const std::string& input, const std::string& delimiter, unsigned int iMaxStrings = 0)
  {
    OutputIt dest = d_first;

    if (input.empty())
      return dest;
    if (delimiter.empty())
    {
      *d_first++ = input;
      return dest;
    }

    const size_t delimLen = delimiter.length();
    size_t nextDelim;
    size_t textPos = 0;
    do
    {
      if (--iMaxStrings == 0)
      {
        *dest++ = input.substr(textPos);
        break;
      }
      nextDelim = input.find(delimiter, textPos);
      *dest++ = input.substr(textPos, nextDelim - textPos);
      textPos = nextDelim + delimLen;
    } while (nextDelim != std::string::npos);

    return dest;
  }
  template<typename OutputIt>
  static OutputIt SplitTo(OutputIt d_first, const std::string& input, const char delimiter, size_t iMaxStrings = 0)
  {
    return SplitTo(d_first, input, std::string(1, delimiter), iMaxStrings);
  }
  template<typename OutputIt>
  static OutputIt SplitTo(OutputIt d_first, const std::string& input, const std::vector<std::string> &delimiters)
  {
    OutputIt dest = d_first;
    if (input.empty())
      return dest;

    if (delimiters.empty())
    {
      *dest++ = input;
      return dest;
    }
    std::string str = input;
    for (size_t di = 1; di < delimiters.size(); di++)
      StringUtils::Replace(str, delimiters[di], delimiters[0]);
    return SplitTo(dest, str, delimiters[0]);
  }

  static std::vector<std::string> SplitMulti(const std::vector<std::string>& input,
                                             const std::vector<std::string>& delimiters,
                                             size_t iMaxStrings = 0);
  static int FindNumber(const std::string& strInput, const std::string &strFind);
  static int64_t AlphaNumericCompare(const wchar_t *left, const wchar_t *right);
  static int AlphaNumericCollation(int nKey1, const void* pKey1, int nKey2, const void* pKey2);
  static long TimeStringToSeconds(const std::string &timeString);
  static void RemoveCRLF(std::string& strLine);

  static size_t utf8_strlen(const char *s);

  static std::string SecondsToTimeString(long seconds, TIME_FORMAT format = TIME_FORMAT_GUESS);

  static bool IsNaturalNumber(const std::string& str);

  static bool IsInteger(const std::string& str);

  /* The next several isasciiXX and asciiXXvalue functions are locale independent (US-ASCII only),
   * as opposed to standard ::isXX (::isalpha, ::isdigit...) which are locale dependent.
   * Next functions get parameter as char and don't need double cast ((int)(unsigned char) is required for standard functions). */
  inline static bool isasciidigit(char chr) // locale independent
  {
    return chr >= '0' && chr <= '9';
  }
  inline static bool isasciixdigit(char chr) // locale independent
  {
    return (chr >= '0' && chr <= '9') || (chr >= 'a' && chr <= 'f') || (chr >= 'A' && chr <= 'F');
  }
  static int asciidigitvalue(char chr); // locale independent
  static int asciixdigitvalue(char chr); // locale independent
  inline static bool isasciiuppercaseletter(char chr) // locale independent
  {
    return (chr >= 'A' && chr <= 'Z');
  }
  inline static bool isasciilowercaseletter(char chr) // locale independent
  {
    return (chr >= 'a' && chr <= 'z');
  }
  inline static bool isasciialphanum(char chr) // locale independent
  {
    return isasciiuppercaseletter(chr) || isasciilowercaseletter(chr) || isasciidigit(chr);
  }
  static std::string SizeToString(int64_t size);
  static const std::string Empty;
  static size_t FindWords(const char *str, const char *wordLowerCase);
  static int FindEndBracket(const std::string &str, char opener, char closer, int startPos = 0);
  static int DateStringToYYYYMMDD(const std::string &dateString);
  static std::string ISODateToLocalizedDate (const std::string& strIsoDate);
  static void WordToDigits(std::string &word);
  static std::string CreateUUID();
  static bool ValidateUUID(const std::string &uuid); // NB only validates syntax
  static double CompareFuzzy(const std::string &left, const std::string &right);
  static int FindBestMatch(const std::string &str, const std::vector<std::string> &strings, double &matchscore);
  static bool ContainsKeyword(const std::string &str, const std::vector<std::string> &keywords);

  static std::string BinaryStringToString(const std::string& in);
  static std::string ToHexadecimal(const std::string& in);
  template<typename T>
  static std::string FormatNumber(T num)
  {
    std::stringstream ss;
// ifdef is needed because when you set _ITERATOR_DEBUG_LEVEL=0 and you use custom numpunct you will get runtime error in debug mode
// for more info https://connect.microsoft.com/VisualStudio/feedback/details/2655363
#if !(defined(_DEBUG) && defined(TARGET_WINDOWS))
    ss.imbue(GetOriginalLocale());
#endif
    ss.precision(1);
    ss << std::fixed << num;
    return ss.str();
  }

  static std::string Paramify(const std::string &param);

  static std::string DeParamify(const std::string& param);

  static std::vector<std::string> Tokenize(const std::string& input, const std::string& delimiters);
  static void Tokenize(const std::string& input, std::vector<std::string>& tokens, const std::string& delimiters);
  static std::vector<std::string> Tokenize(const std::string& input, const char delimiter);
  static void Tokenize(const std::string& input, std::vector<std::string>& tokens, const char delimiter);

  static uint32_t ToUint32(std::string_view str, uint32_t fallback = 0) noexcept;

  static uint64_t ToUint64(std::string_view str, uint64_t fallback = 0) noexcept;

  static float ToFloat(std::string_view str, float fallback = 0.0f) noexcept;

  static std::string FormatFileSize(uint64_t bytes);

  static std::string CreateFromCString(const char* cstr);

private:
  static const std::locale& GetOriginalLocale() noexcept;
};

struct sortstringbyname
{
  bool operator()(const std::string& strItem1, const std::string& strItem2) const
  {
    return StringUtils::CompareNoCase(strItem1, strItem2) < 0;
  }
};