Util.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "Util.h"
#include "Common.h"
#include "Containers.h"
#include "IpAddress.h"
#include "StringConvert.h"
#include "StringFormat.h"
#include <boost/core/demangle.hpp>
#include <utf8.h>
#include <algorithm>
#include <iomanip>
#include <sstream>
#include <string>
#include <cctype>
#include <cstdarg>
#include <ctime>
 
void Trinity::VerifyOsVersion()
{
#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
 auto isWindowsBuildGreaterOrEqual = [](DWORD build)
 {
 OSVERSIONINFOEX osvi = { sizeof(osvi), 0, 0, build, 0, {0}, 0, 0, 0, 0 };
 ULONGLONG conditionMask = 0;
 VER_SET_CONDITION(conditionMask, VER_BUILDNUMBER, VER_GREATER_EQUAL);
 
 return VerifyVersionInfo(&osvi, VER_BUILDNUMBER, conditionMask);
 };
 
 if (!isWindowsBuildGreaterOrEqual(TRINITY_REQUIRED_WINDOWS_BUILD))
 {
 OSVERSIONINFOEX osvi = { sizeof(osvi), 0, 0, 0, 0, {0}, 0, 0, 0, 0 };
 GetVersionEx((LPOSVERSIONINFO)&osvi);
 ABORT_MSG("TrinityCore requires Windows 10 19H1 (1903) or Windows Server 2019 (1903) - require build number 10.0.%d but found %d.%d.%d",
 TRINITY_REQUIRED_WINDOWS_BUILD, osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber);
 }
#endif
}
 
std::vector<std::string_view> Trinity::Tokenize(std::string_view str, char sep, bool keepEmpty)
{
 std::vector<std::string_view> tokens;
 
 size_t start = 0;
 for (size_t end = str.find(sep); end != std::string_view::npos; end = str.find(sep, start))
 {
 if (keepEmpty || (start < end))
 tokens.push_back(str.substr(start, end - start));
 start = end+1;
 }
 
 if (keepEmpty || (start < str.length()))
 tokens.push_back(str.substr(start));
 
 return tokens;
}
 
#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__))
struct tm* localtime_r(time_t const* time, struct tm *result)
{
 if (localtime_s(result, time) != 0)
 return nullptr;
 return result;
}
struct tm* gmtime_r(time_t const* time, struct tm* result)
{
 if (gmtime_s(result, time) != 0)
 return nullptr;
 return result;
}
time_t timegm(struct tm* tm)
{
 return _mkgmtime(tm);
}
#endif
 
tm TimeBreakdown(time_t time)
{
 tm timeLocal;
 localtime_r(&time, &timeLocal);
 return timeLocal;
}
 
time_t GetLocalHourTimestamp(time_t time, uint8 hour, bool onlyAfterTime)
{
 tm timeLocal = TimeBreakdown(time);
 timeLocal.tm_hour = 0;
 timeLocal.tm_min = 0;
 timeLocal.tm_sec = 0;
 time_t midnightLocal = mktime(&timeLocal);
 time_t hourLocal = midnightLocal + hour * HOUR;
 
 if (onlyAfterTime && hourLocal <= time)
 hourLocal += DAY;
 
 return hourLocal;
}
 
std::string secsToTimeString(uint64 timeInSecs, TimeFormat timeFormat, bool hoursOnly)
{
 uint64 secs = timeInSecs % MINUTE;
 uint64 minutes = timeInSecs % HOUR / MINUTE;
 uint64 hours = timeInSecs % DAY / HOUR;
 uint64 days = timeInSecs / DAY;
 
 if (timeFormat == TimeFormat::Numeric)
 {
 if (days)
 return Trinity::StringFormat("{}:{:02}:{:02}:{:02}", days, hours, minutes, secs);
 else if (hours)
 return Trinity::StringFormat("{}:{:02}:{:02}", hours, minutes, secs);
 else if (minutes)
 return Trinity::StringFormat("{}:{:02}", minutes, secs);
 else
 return Trinity::StringFormat("0:{:02}", secs);
 }
 
 std::ostringstream ss;
 if (days)
 {
 ss << days;
 switch (timeFormat)
 {
 case TimeFormat::ShortText:
 ss << "d";
 break;
 case TimeFormat::FullText:
 if (days == 1)
 ss << " Day ";
 else
 ss << " Days ";
 break;
 default:
 return "<Unknown time format>";
 }
 }
 
 if (hours || hoursOnly)
 {
 ss << hours;
 switch (timeFormat)
 {
 case TimeFormat::ShortText:
 ss << "h";
 break;
 case TimeFormat::FullText:
 if (hours <= 1)
 ss << " Hour ";
 else
 ss << " Hours ";
 break;
 default:
 return "<Unknown time format>";
 }
 }
 if (!hoursOnly)
 {
 if (minutes)
 {
 ss << minutes;
 switch (timeFormat)
 {
 case TimeFormat::ShortText:
 ss << "m";
 break;
 case TimeFormat::FullText:
 if (minutes == 1)
 ss << " Minute ";
 else
 ss << " Minutes ";
 break;
 default:
 return "<Unknown time format>";
 }
 }
 
 if (secs || (!days && !hours && !minutes))
 {
 ss << secs;
 switch (timeFormat)
 {
 case TimeFormat::ShortText:
 ss << "s";
 break;
 case TimeFormat::FullText:
 if (secs <= 1)
 ss << " Second.";
 else
 ss << " Seconds.";
 break;
 default:
 return "<Unknown time format>";
 }
 }
 }
 
 return ss.str();
}
 
Optional<int64> MoneyStringToMoney(std::string const& moneyString)
{
 int64 money = 0;
 
 bool hadG = false;
 bool hadS = false;
 bool hadC = false;
 
 for (std::string_view token : Trinity::Tokenize(moneyString, ' ', false))
 {
 uint32 unit;
 switch (token[token.length() - 1])
 {
 case 'g':
 if (hadG) return std::nullopt;
 hadG = true;
 unit = 100 * 100;
 break;
 case 's':
 if (hadS) return std::nullopt;
 hadS = true;
 unit = 100;
 break;
 case 'c':
 if (hadC) return std::nullopt;
 hadC = true;
 unit = 1;
 break;
 default:
 return std::nullopt;
 }
 
 Optional<uint64> amount = Trinity::StringTo<uint32>(token.substr(0, token.length() - 1));
 if (amount)
 money += (unit * *amount);
 else
 return std::nullopt;
 }
 
 return money;
}
 
uint32 TimeStringToSecs(std::string const& timestring)
{
 uint32 secs = 0;
 uint32 buffer = 0;
 uint32 multiplier = 0;
 
 for (char itr : timestring)
 {
 if (isdigit(itr))
 {
 buffer *= 10;
 buffer += itr - '0';
 }
 else
 {
 switch (itr)
 {
 case 'd': multiplier = DAY; break;
 case 'h': multiplier = HOUR; break;
 case 'm': multiplier = MINUTE; break;
 case 's': multiplier = 1; break;
 default : return 0; //bad format
 }
 buffer *= multiplier;
 secs += buffer;
 buffer = 0;
 }
 }
 
 return secs;
}
 
std::string TimeToTimestampStr(time_t t)
{
 tm aTm;
 localtime_r(&t, &aTm);
 // YYYY year
 // MM month (2 digits 01-12)
 // DD day (2 digits 01-31)
 // HH hour (2 digits 00-23)
 // MM minutes (2 digits 00-59)
 // SS seconds (2 digits 00-59)
 return Trinity::StringFormat("{:04}-{:02}-{:02}_{:02}-{:02}-{:02}", aTm.tm_year + 1900, aTm.tm_mon + 1, aTm.tm_mday, aTm.tm_hour, aTm.tm_min, aTm.tm_sec);
}
 
std::string TimeToHumanReadable(time_t t)
{
 tm time;
 localtime_r(&t, &time);
 char buf[30];
 strftime(buf, 30, "%c", &time);
 return std::string(buf);
}
 
bool IsIPAddress(char const* ipaddress)
{
 if (!ipaddress)
 return false;
 
 boost::system::error_code error;
 Trinity::Net::make_address(ipaddress, error);
 return !error;
}
 
uint32 CreatePIDFile(std::string const& filename)
{
 FILE* pid_file = fopen(filename.c_str(), "w");
 if (pid_file == nullptr)
 return 0;
 
 uint32 pid = GetPID();
 
 fprintf(pid_file, "%u", pid);
 fclose(pid_file);
 
 return pid;
}
 
uint32 GetPID()
{
#ifdef _WIN32
 DWORD pid = GetCurrentProcessId();
#else
 pid_t pid = getpid();
#endif
 
 return uint32(pid);
}
 
size_t utf8length(std::string& utf8str)
{
 try
 {
 return utf8::distance(utf8str.c_str(), utf8str.c_str()+utf8str.size());
 }
 catch (std::exception const&)
 {
 utf8str.clear();
 return 0;
 }
}
 
void utf8truncate(std::string& utf8str, size_t len)
{
 try
 {
 size_t wlen = utf8::distance(utf8str.c_str(), utf8str.c_str()+utf8str.size());
 if (wlen <= len)
 return;
 
 std::wstring wstr;
 wstr.resize(wlen);
 utf8::utf8to16(utf8str.c_str(), utf8str.c_str()+utf8str.size(), &wstr[0]);
 wstr.resize(len);
 char* oend = utf8::utf16to8(wstr.c_str(), wstr.c_str()+wstr.size(), &utf8str[0]);
 utf8str.resize(oend-(&utf8str[0])); // remove unused tail
 }
 catch (std::exception const&)
 {
 utf8str.clear();
 }
}
 
bool Utf8toWStr(char const* utf8str, size_t csize, wchar_t* wstr, size_t& wsize)
{
 try
 {
 Trinity::CheckedBufferOutputIterator<wchar_t> out(wstr, wsize);
 out = utf8::utf8to16(utf8str, utf8str+csize, out);
 wsize -= out.remaining(); // remaining unused space
 wstr[wsize] = L'\0';
 }
 catch (std::exception const&)
 {
 // Replace the converted string with an error message if there is enough space
 // Otherwise just return an empty string
 wchar_t const* errorMessage = L"An error occurred converting string from UTF-8 to WStr";
 size_t errorMessageLength = wcslen(errorMessage);
 if (wsize >= errorMessageLength)
 {
 wcscpy(wstr, errorMessage);
 wsize = wcslen(wstr);
 }
 else if (wsize > 0)
 {
 wstr[0] = L'\0';
 wsize = 0;
 }
 else
 wsize = 0;
 
 return false;
 }
 
 return true;
}
 
bool Utf8toWStr(std::string_view utf8str, std::wstring& wstr)
{
 wstr.clear();
 try
 {
 utf8::utf8to16(utf8str.begin(), utf8str.end(), std::back_inserter(wstr));
 }
 catch (std::exception const&)
 {
 wstr.clear();
 return false;
 }
 
 return true;
}
 
bool WStrToUtf8(wchar_t const* wstr, size_t size, std::string& utf8str)
{
 try
 {
 std::string utf8str2;
 utf8str2.resize(size*4); // allocate for most long case
 
 if (size)
 {
 char* oend = utf8::utf16to8(wstr, wstr+size, &utf8str2[0]);
 utf8str2.resize(oend-(&utf8str2[0])); // remove unused tail
 }
 utf8str = utf8str2;
 }
 catch (std::exception const&)
 {
 utf8str.clear();
 return false;
 }
 
 return true;
}
 
bool WStrToUtf8(std::wstring_view wstr, std::string& utf8str)
{
 try
 {
 std::string utf8str2;
 utf8str2.resize(wstr.size()*4); // allocate for most long case
 
 if (!wstr.empty())
 {
 char* oend = utf8::utf16to8(wstr.begin(), wstr.end(), &utf8str2[0]);
 utf8str2.resize(oend-(&utf8str2[0])); // remove unused tail
 }
 utf8str = utf8str2;
 }
 catch (std::exception const&)
 {
 utf8str.clear();
 return false;
 }
 
 return true;
}
 
void wstrToUpper(std::wstring& str) { std::transform(std::begin(str), std::end(str), std::begin(str), wcharToUpper); }
void wstrToLower(std::wstring& str) { std::transform(std::begin(str), std::end(str), std::begin(str), wcharToLower); }
void strToUpper(std::string& str) { std::transform(std::begin(str), std::end(str), std::begin(str), charToUpper); }
void strToLower(std::string& str) { std::transform(std::begin(str), std::end(str), std::begin(str), charToLower); }
 
std::wstring wstrCaseAccentInsensitiveParse(std::wstring_view wstr, LocaleConstant locale)
{
 std::wstring result;
 result.reserve(wstr.length() * 2);
 
 switch (locale)
 {
 case LOCALE_frFR:
 for (wchar_t wchar : wstr)
 {
 wchar = wcharToLower(wchar);
 switch (wchar)
 {
 case 0x00A0: // NO-BREAK SPACE
 result += L' ';
 break;
 case 0x00AB: // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
 case 0x00BB: // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
 result += L'"';
 break;
 case 0x00E7: // LATIN SMALL LETTER C WITH CEDILLA
 result += L'c';
 break;
 case 0x00E8: // LATIN SMALL LETTER E WITH GRAVE
 case 0x00E9: // LATIN SMALL LETTER E WITH ACUTE
 case 0x00EA: // LATIN SMALL LETTER E WITH CIRCUMFLEX
 case 0x00EB: // LATIN SMALL LETTER E WITH DIAERESIS
 result += L'e';
 break;
 case 0x00EE: // LATIN SMALL LETTER I WITH CIRCUMFLEX
 case 0x00EF: // LATIN SMALL LETTER I WITH DIAERESIS
 result += L'i';
 break;
 case 0x00F2: // LATIN SMALL LETTER O WITH GRAVE
 case 0x00F3: // LATIN SMALL LETTER O WITH ACUTE
 case 0x00F4: // LATIN SMALL LETTER O WITH CIRCUMFLEX
 case 0x00F6: // LATIN SMALL LETTER O WITH DIAERESIS
 result += L'o';
 break;
 case 0x00F9: // LATIN SMALL LETTER U WITH GRAVE
 case 0x00FA: // LATIN SMALL LETTER U WITH ACUTE
 case 0x00FB: // LATIN SMALL LETTER U WITH CIRCUMFLEX
 case 0x00FC: // LATIN SMALL LETTER U WITH DIAERESIS
 result += L'u';
 break;
 case 0x0153: // LATIN SMALL LIGATURE OE
 result += L'o';
 result += L'e';
 break;
 case 0x2013: // EN DASH
 result += L'-';
 break;
 case 0x2018: // LEFT SINGLE QUOTATION MARK
 case 0x2019: // RIGHT SINGLE QUOTATION MARK
 result += L'\'';
 break;
 default:
 result += wchar;
 break;
 }
 }
 break;
 case LOCALE_deDE:
 for (wchar_t wchar : wstr)
 {
 wchar = wcharToLower(wchar);
 if (wchar == 0x00DF) // LATIN SMALL LETTER SHARP S
 {
 result += L's';
 result += L's';
 }
 else
 result += wchar;
 }
 break;
 case LOCALE_esES:
 case LOCALE_esMX:
 case LOCALE_itIT:
 for (wchar_t wchar : wstr)
 {
 wchar = wcharToLower(wchar);
 switch (wchar)
 {
 case 0x00E1: // LATIN SMALL LETTER A WITH ACUTE
 result += L'a';
 break;
 case 0x00E9: // LATIN SMALL LETTER E WITH ACUTE
 result += L'e';
 break;
 case 0x00ED: // LATIN SMALL LETTER I WITH ACUTE
 result += L'i';
 break;
 case 0x00F1: // LATIN SMALL LETTER N WITH TILDE
 result += L'n';
 break;
 case 0x00F3: // LATIN SMALL LETTER O WITH ACUTE
 result += L'o';
 break;
 case 0x00FA: // LATIN SMALL LETTER U WITH ACUTE
 case 0x00FC: // LATIN SMALL LETTER U WITH DIAERESIS
 result += L'u';
 break;
 default:
 result += wchar;
 break;
 }
 }
 break;
 case LOCALE_ruRU:
 for (wchar_t wchar : wstr)
 {
 wchar = wcharToLower(wchar);
 switch (wchar)
 {
 case 0x451: // CYRILLIC SMALL LETTER IO
 result += wchar_t(0x435);
 break;
 case 0x2013: // EN DASH
 result += L'-';
 break;
 default:
 result += wchar;
 break;
 }
 }
 break;
 case LOCALE_ptBR:
 for (wchar_t wchar : wstr)
 {
 wchar = wcharToLower(wchar);
 switch (wchar)
 {
 case 0x00E0: // LATIN SMALL LETTER A WITH GRAVE
 case 0x00E1: // LATIN SMALL LETTER A WITH ACUTE
 case 0x00E2: // LATIN SMALL LETTER A WITH CIRCUMFLEX
 case 0x00E3: // LATIN SMALL LETTER A WITH TILDE
 case 0x00E4: // LATIN SMALL LETTER A WITH DIAERESIS
 result += L'a';
 break;
 case 0x00E7: // LATIN SMALL LETTER C WITH CEDILLA
 result += L'c';
 break;
 case 0x00E8: // LATIN SMALL LETTER E WITH GRAVE
 case 0x00E9: // LATIN SMALL LETTER E WITH ACUTE
 case 0x00EA: // LATIN SMALL LETTER E WITH CIRCUMFLEX
 case 0x00EB: // LATIN SMALL LETTER E WITH DIAERESIS
 result += L'e';
 break;
 case 0x00EC: // LATIN SMALL LETTER I WITH GRAVE
 case 0x00ED: // LATIN SMALL LETTER I WITH ACUTE
 case 0x00EE: // LATIN SMALL LETTER I WITH CIRCUMFLEX
 case 0x00EF: // LATIN SMALL LETTER I WITH DIAERESIS
 result += L'i';
 break;
 case 0x00F1: // LATIN SMALL LETTER N WITH TILDE
 result += L'n';
 break;
 case 0x00F2: // LATIN SMALL LETTER O WITH GRAVE
 case 0x00F3: // LATIN SMALL LETTER O WITH ACUTE
 case 0x00F4: // LATIN SMALL LETTER O WITH CIRCUMFLEX
 case 0x00F5: // LATIN SMALL LETTER O WITH TILDE
 case 0x00F6: // LATIN SMALL LETTER O WITH DIAERESIS
 result += L'o';
 break;
 case 0x00F9: // LATIN SMALL LETTER U WITH GRAVE
 case 0x00FA: // LATIN SMALL LETTER U WITH ACUTE
 case 0x00FB: // LATIN SMALL LETTER U WITH CIRCUMFLEX
 case 0x00FC: // LATIN SMALL LETTER U WITH DIAERESIS
 result += L'u';
 break;
 default:
 result += wchar;
 break;
 }
 }
 break;
 default:
 result = wstr;
 wstrToLower(result);
 break;
 }
 
 return result;
}
 
std::wstring GetMainPartOfName(std::wstring const& wname, uint32 declension)
{
 // supported only Cyrillic cases
 if (wname.empty() || !isCyrillicCharacter(wname[0]) || declension > 5)
 return wname;
 
 // Important: end length must be <= MAX_INTERNAL_PLAYER_NAME-MAX_PLAYER_NAME (3 currently)
 static std::wstring const a_End = { wchar_t(0x0430) };
 static std::wstring const o_End = { wchar_t(0x043E) };
 static std::wstring const ya_End = { wchar_t(0x044F) };
 static std::wstring const ie_End = { wchar_t(0x0435) };
 static std::wstring const i_End = { wchar_t(0x0438) };
 static std::wstring const yeru_End = { wchar_t(0x044B) };
 static std::wstring const u_End = { wchar_t(0x0443) };
 static std::wstring const yu_End = { wchar_t(0x044E) };
 static std::wstring const oj_End = { wchar_t(0x043E), wchar_t(0x0439) };
 static std::wstring const ie_j_End = { wchar_t(0x0435), wchar_t(0x0439) };
 static std::wstring const io_j_End = { wchar_t(0x0451), wchar_t(0x0439) };
 static std::wstring const o_m_End = { wchar_t(0x043E), wchar_t(0x043C) };
 static std::wstring const io_m_End = { wchar_t(0x0451), wchar_t(0x043C) };
 static std::wstring const ie_m_End = { wchar_t(0x0435), wchar_t(0x043C) };
 static std::wstring const soft_End = { wchar_t(0x044C) };
 static std::wstring const j_End = { wchar_t(0x0439) };
 
 static std::array<std::array<std::wstring const*, 7>, 6> const dropEnds = {{
 { &a_End, &o_End, &ya_End, &ie_End, &soft_End, &j_End, nullptr },
 { &a_End, &ya_End, &yeru_End, &i_End, nullptr, nullptr, nullptr },
 { &ie_End, &u_End, &yu_End, &i_End, nullptr, nullptr, nullptr },
 { &u_End, &yu_End, &o_End, &ie_End, &soft_End, &ya_End, &a_End },
 { &oj_End, &io_j_End, &ie_j_End, &o_m_End, &io_m_End, &ie_m_End, &yu_End },
 { &ie_End, &i_End, nullptr, nullptr, nullptr, nullptr, nullptr }
 }};
 
 std::size_t const thisLen = wname.length();
 std::array<std::wstring const*, 7> const& endings = dropEnds[declension];
 for (auto itr = endings.begin(), end = endings.end(); (itr != end) && *itr; ++itr)
 {
 std::wstring const& ending = **itr;
 std::size_t const endLen = ending.length();
 if (!(endLen <= thisLen))
 continue;
 
 if (wname.substr(thisLen-endLen, thisLen) == ending)
 return wname.substr(0, thisLen-endLen);
 }
 
 return wname;
}
 
bool utf8ToConsole(std::string_view utf8str, std::string& conStr)
{
#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
 std::wstring wstr;
 if (!Utf8toWStr(utf8str, wstr))
 return false;
 
 conStr.resize(wstr.size());
 CharToOemBuffW(&wstr[0], &conStr[0], uint32(wstr.size()));
#else
 // not implemented yet
 conStr = utf8str;
#endif
 
 return true;
}
 
bool consoleToUtf8(std::string_view conStr, std::string& utf8str)
{
#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
 std::wstring wstr;
 wstr.resize(conStr.size());
 OemToCharBuffW(&conStr[0], &wstr[0], uint32(conStr.size()));
 
 return WStrToUtf8(wstr, utf8str);
#else
 // not implemented yet
 utf8str = conStr;
 return true;
#endif
}
 
bool Utf8FitTo(std::string_view str, std::wstring_view search)
{
 std::wstring temp;
 
 if (!Utf8toWStr(str, temp))
 return false;
 
 // converting to lower case
 wstrToLower(temp);
 
 if (temp.find(search) == std::wstring::npos)
 return false;
 
 return true;
}
 
void utf8printf(FILE* out, const char *str, ...)
{
 va_list ap;
 va_start(ap, str);
 vutf8printf(out, str, &ap);
 va_end(ap);
}
 
void vutf8printf(FILE* out, const char *str, va_list* ap)
{
#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
 char temp_buf[32 * 1024];
 wchar_t wtemp_buf[32 * 1024];
 
 size_t temp_len = vsnprintf(temp_buf, 32 * 1024, str, *ap);
 //vsnprintf returns -1 if the buffer is too small
 if (temp_len == size_t(-1))
 temp_len = 32*1024-1;
 
 size_t wtemp_len = 32*1024-1;
 Utf8toWStr(temp_buf, temp_len, wtemp_buf, wtemp_len);
 
 CharToOemBuffW(&wtemp_buf[0], &temp_buf[0], uint32(wtemp_len + 1));
 fprintf(out, "%s", temp_buf);
#else
 vfprintf(out, str, *ap);
#endif
}
 
bool Utf8ToUpperOnlyLatin(std::string& utf8String)
{
 std::wstring wstr;
 if (!Utf8toWStr(utf8String, wstr))
 return false;
 
 std::transform(wstr.begin(), wstr.end(), wstr.begin(), wcharToUpperOnlyLatin);
 
 return WStrToUtf8(wstr, utf8String);
}
 
#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
bool ReadWinConsole(std::string& str, size_t size /*= 256*/)
{
 wchar_t* commandbuf = new wchar_t[size + 1];
 HANDLE hConsole = GetStdHandle(STD_INPUT_HANDLE);
 DWORD read = 0;
 
 if (!ReadConsoleW(hConsole, commandbuf, size, &read, nullptr) || read == 0)
 {
 delete[] commandbuf;
 return false;
 }
 
 commandbuf[read] = 0;
 
 bool ok = WStrToUtf8(commandbuf, wcslen(commandbuf), str);
 delete[] commandbuf;
 return ok;
}
 
bool WriteWinConsole(std::string_view str, bool error /*= false*/)
{
 std::wstring wstr;
 wstr.reserve(str.length());
 if (!Utf8toWStr(str, wstr))
 return false;
 
 HANDLE hConsole = GetStdHandle(error ? STD_ERROR_HANDLE : STD_OUTPUT_HANDLE);
 DWORD write = 0;
 
 return WriteConsoleW(hConsole, wstr.c_str(), wstr.size(), &write, nullptr);
}
#endif
 
TC_COMMON_API Optional<std::size_t> RemoveCRLF(std::string & str)
{
 std::size_t nextLineIndex = str.find_first_of("\r\n");
 if (nextLineIndex == std::string::npos)
 return std::nullopt;
 
 str.erase(nextLineIndex);
 return nextLineIndex;
}
 
std::string Trinity::Impl::ByteArrayToHexStr(uint8 const* bytes, size_t arrayLen, bool reverse /* = false */)
{
 int32 init = 0;
 int32 end = arrayLen;
 int8 op = 1;
 
 if (reverse)
 {
 init = arrayLen - 1;
 end = -1;
 op = -1;
 }
 
 std::string result;
 result.reserve(arrayLen * 2);
 auto inserter = std::back_inserter(result);
 for (int32 i = init; i != end; i += op)
 Trinity::StringFormatTo(inserter, "{:02X}", bytes[i]);
 
 return result;
}
 
void Trinity::Impl::HexStrToByteArray(std::string_view str, uint8* out, size_t outlen, bool reverse /*= false*/)
{
 ASSERT(str.size() == (2 * outlen));
 
 int32 init = 0;
 int32 end = int32(str.length());
 int8 op = 1;
 
 if (reverse)
 {
 init = int32(str.length() - 2);
 end = -2;
 op = -1;
 }
 
 uint32 j = 0;
 for (int32 i = init; i != end; i += 2 * op)
 out[j++] = Trinity::StringTo<uint8>(str.substr(i, 2), 16).value_or(0);
}
 
bool StringEqualI(std::string_view a, std::string_view b)
{
 return std::equal(a.begin(), a.end(), b.begin(), b.end(), [](char c1, char c2) { return std::tolower(c1) == std::tolower(c2); });
}
 
bool StringContainsStringI(std::string_view haystack, std::string_view needle)
{
 return haystack.end() !=
 std::search(haystack.begin(), haystack.end(), needle.begin(), needle.end(), [](char c1, char c2) { return std::tolower(c1) == std::tolower(c2); });
}
 
bool StringCompareLessI(std::string_view a, std::string_view b)
{
 return std::lexicographical_compare(a.begin(), a.end(), b.begin(), b.end(), [](char c1, char c2) { return std::tolower(c1) < std::tolower(c2); });
}
 
std::string Trinity::Impl::GetTypeName(std::type_info const& info)
{
 return boost::core::demangle(info.name());
}
 
float DegToRad(float degrees)
{
 return degrees * (2.f * float(M_PI) / 360.f);
}