C++ (Cpp) UINT_TO_STR_2示例

示例#1

bool ConvertFileTimeToString(const FILETIME &ft, char *s, bool includeTime, bool includeSeconds) throw()
{
  SYSTEMTIME st;
  if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
  {
    *s = 0;
    return false;
  }
  unsigned val = st.wYear;
  if (val >= 10000)
  {
    *s++ = (char)('0' + val / 10000);
    val %= 10000;
  }
  {
    s[3] = (char)('0' + val % 10); val /= 10;
    s[2] = (char)('0' + val % 10); val /= 10;
    s[1] = (char)('0' + val % 10);
    s[0] = (char)('0' + val / 10);
    s += 4;
  }
  UINT_TO_STR_2('-', st.wMonth);
  UINT_TO_STR_2('-', st.wDay);
  if (includeTime)
  {
    UINT_TO_STR_2(' ', st.wHour);
    UINT_TO_STR_2(':', st.wMinute);
    if (includeSeconds)
    {
      UINT_TO_STR_2(':', st.wSecond);
      /*
      *s++ = '.';
      unsigned val = st.wMilliseconds;
      s[2] = (char)('0' + val % 10); val /= 10;
      s[1] = (char)('0' + val % 10);
      s[0] = (char)('0' + val / 10);
      s += 3;
      */
    }
  }
  *s = 0;
  return true;
}

示例#2

文件： PropVariantConv.cpp 项目： ArchangelSDY/Qt7z

bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
{
  *s = 0;
  FILETIME ft;
  if (!FileTimeToLocalFileTime(&utc, &ft))
    return false;

  SYSTEMTIME st;
  if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
    return false;

  {
    unsigned val = st.wYear;
    if (val >= 10000)
    {
      *s++ = (char)('0' + val / 10000);
      val %= 10000;
    }
    s[3] = (char)('0' + val % 10); val /= 10;
    s[2] = (char)('0' + val % 10); val /= 10;
    s[1] = (char)('0' + val % 10);
    s[0] = (char)('0' + val / 10);
    s += 4;
  }
  UINT_TO_STR_2('-', st.wMonth);
  UINT_TO_STR_2('-', st.wDay);
  
  if (level > kTimestampPrintLevel_DAY)
  {
    UINT_TO_STR_2(' ', st.wHour);
    UINT_TO_STR_2(':', st.wMinute);
    
    if (level >= kTimestampPrintLevel_SEC)
    {
      UINT_TO_STR_2(':', st.wSecond);

      if (level > kTimestampPrintLevel_SEC)
      {
        *s++ = '.';
        /*
        {
          unsigned val = st.wMilliseconds;
          s[2] = (char)('0' + val % 10); val /= 10;
          s[1] = (char)('0' + val % 10);
          s[0] = (char)('0' + val / 10);
          s += 3;
        }
        *s++ = ' ';
        */
        
        {
          unsigned numDigits = 7;
          UInt32 val = (UInt32)((((UInt64)ft.dwHighDateTime << 32) + ft.dwLowDateTime) % 10000000);
          for (unsigned i = numDigits; i != 0;)
          {
            i--;
            s[i] = (char)('0' + val % 10); val /= 10;
          }
          if (numDigits > (unsigned)level)
            numDigits = (unsigned)level;
          s += numDigits;
        }
      }
    }
  }
  
  *s = 0;
  return true;
}