diff options
Diffstat (limited to 'shared/util.cpp')
| -rw-r--r-- | shared/util.cpp | 199 |
1 files changed, 104 insertions, 95 deletions
diff --git a/shared/util.cpp b/shared/util.cpp index 9e0cb9d3..25c8c5e0 100644 --- a/shared/util.cpp +++ b/shared/util.cpp @@ -15,6 +15,7 @@ #include <stdexcept> #include "system_func.h" #include "check_exist.h" +#include "assert_static.h" #ifdef FFS_WIN #include <wx/msw/wrapwin.h> //includes "windows.h" @@ -99,32 +100,6 @@ wxString ffs_Impl::includeNumberSeparator(const wxString& number) } -template <class T> -void setDirectoryNameImpl(const wxString& dirname, T* txtCtrl, wxDirPickerCtrl* dirPicker) -{ - using namespace ffs3; - - txtCtrl->SetValue(dirname); - const Zstring dirFormatted = ffs3::getFormattedDirectoryName(wxToZ(dirname)); - - if (util::dirExists(dirFormatted, 200) == util::EXISTING_TRUE) //potentially slow network access: wait 200ms at most - dirPicker->SetPath(zToWx(dirFormatted)); -} - - -void ffs3::setDirectoryName(const wxString& dirname, wxTextCtrl* txtCtrl, wxDirPickerCtrl* dirPicker) -{ - setDirectoryNameImpl(dirname, txtCtrl, dirPicker); -} - - -void ffs3::setDirectoryName(const wxString& dirname, wxComboBox* txtCtrl, wxDirPickerCtrl* dirPicker) -{ - txtCtrl->SetSelection(wxNOT_FOUND); - setDirectoryNameImpl(dirname, txtCtrl, dirPicker); -} - - void ffs3::scrollToBottom(wxScrolledWindow* scrWindow) { int height = 0; @@ -147,94 +122,128 @@ void ffs3::scrollToBottom(wxScrolledWindow* scrWindow) namespace { -inline -void writeTwoDigitNumber(size_t number, wxString& string) -{ - assert (number < 100); - - string += wxChar('0' + number / 10); - string += wxChar('0' + number % 10); -} - - -inline -void writeFourDigitNumber(size_t number, wxString& string) +#ifdef FFS_WIN +bool isVistaOrLater() { - assert (number < 10000); - - string += wxChar('0' + number / 1000); - number %= 1000; - string += wxChar('0' + number / 100); - number %= 100; - string += wxChar('0' + number / 10); - number %= 10; - string += wxChar('0' + number); + OSVERSIONINFO osvi = {}; + osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + + //symbolic links are supported starting with Vista + if (::GetVersionEx(&osvi)) + return osvi.dwMajorVersion > 5; //XP has majorVersion == 5, minorVersion == 1; Vista majorVersion == 6, dwMinorVersion == 0 + //overview: http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx + return false; } +#endif } + wxString ffs3::utcTimeToLocalString(const wxLongLong& utcTime) { #ifdef FFS_WIN //convert ansi C time to FILETIME wxLongLong fileTimeLong(utcTime); - fileTimeLong += wxLongLong(2, 3054539008UL); //timeshift between ansi C time and FILETIME in seconds == 11644473600s fileTimeLong *= 10000000; FILETIME lastWriteTimeUtc; lastWriteTimeUtc.dwLowDateTime = fileTimeLong.GetLo(); //GetLo() returns unsigned - lastWriteTimeUtc.dwHighDateTime = unsigned(fileTimeLong.GetHi()); //GetHi() returns signed - - - FILETIME localFileTime; - if (::FileTimeToLocalFileTime( //convert to local time - &lastWriteTimeUtc, //pointer to UTC file time to convert - &localFileTime //pointer to converted file time - ) == 0) - throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" FILETIME -> local FILETIME: ") + - wxT("(") + wxULongLong(lastWriteTimeUtc.dwHighDateTime, lastWriteTimeUtc.dwLowDateTime).ToString() + wxT(") ") + - wxT("\n\n") + getLastErrorFormatted()).ToAscii())); - - if (localFileTime.dwHighDateTime > 0x7fffffff) - return _("Error"); //this actually CAN happen if UTC time is just below this border and ::FileTimeToLocalFileTime() adds 2 hours due to DST or whatever! - //Testcase (UTC): dateHigh = 2147483647 (=0x7fffffff) -> year 30000 - // dateLow = 4294967295 - - SYSTEMTIME time; - if (::FileTimeToSystemTime( - &localFileTime, //pointer to file time to convert - &time //pointer to structure to receive system time - ) == 0) - throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" local FILETIME -> SYSTEMTIME: ") + - wxT("(") + wxULongLong(localFileTime.dwHighDateTime, localFileTime.dwLowDateTime).ToString() + wxT(") ") + - wxT("\n\n") + getLastErrorFormatted()).ToAscii())); - - //assemble time string (performance optimized) -> note: performance argument may not be valid any more - wxString formattedTime; - formattedTime.reserve(20); - - writeFourDigitNumber(time.wYear, formattedTime); - formattedTime += wxChar('-'); - writeTwoDigitNumber(time.wMonth, formattedTime); - formattedTime += wxChar('-'); - writeTwoDigitNumber(time.wDay, formattedTime); - formattedTime += wxChar(' '); - formattedTime += wxChar(' '); - writeTwoDigitNumber(time.wHour, formattedTime); - formattedTime += wxChar(':'); - writeTwoDigitNumber(time.wMinute, formattedTime); - formattedTime += wxChar(':'); - writeTwoDigitNumber(time.wSecond, formattedTime); - - return formattedTime; + lastWriteTimeUtc.dwHighDateTime = static_cast<DWORD>(fileTimeLong.GetHi()); //GetHi() returns signed + + assert(fileTimeLong.GetHi() >= 0); + assert_static(sizeof(DWORD) == sizeof(long)); + assert_static(sizeof(long) == 4); + + SYSTEMTIME systemTimeLocal = {}; + + static const bool useNewLocalTimeCalculation = isVistaOrLater(); + if (useNewLocalTimeCalculation) //use DST setting from source date (like in Windows 7, see http://msdn.microsoft.com/en-us/library/ms724277(VS.85).aspx) + { + if (lastWriteTimeUtc.dwHighDateTime > 0x7FFFFFFF) + return _("Error"); + + SYSTEMTIME systemTimeUtc = {}; + if (!::FileTimeToSystemTime( + &lastWriteTimeUtc, //__in const FILETIME *lpFileTime, + &systemTimeUtc)) //__out LPSYSTEMTIME lpSystemTime + throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" FILETIME -> SYSTEMTIME: ") + + wxT("(") + wxULongLong(lastWriteTimeUtc.dwHighDateTime, lastWriteTimeUtc.dwLowDateTime).ToString() + wxT(") ") + + wxT("\n\n") + getLastErrorFormatted()).ToAscii())); + + if (!::SystemTimeToTzSpecificLocalTime( + NULL, //__in_opt LPTIME_ZONE_INFORMATION lpTimeZone, + &systemTimeUtc, //__in LPSYSTEMTIME lpUniversalTime, + &systemTimeLocal)) //__out LPSYSTEMTIME lpLocalTime + throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" SYSTEMTIME -> local SYSTEMTIME: ") + + wxT("(") + wxULongLong(lastWriteTimeUtc.dwHighDateTime, lastWriteTimeUtc.dwLowDateTime).ToString() + wxT(") ") + + wxT("\n\n") + getLastErrorFormatted()).ToAscii())); + } + else //use current DST setting (like in Windows 2000 and XP) + { + FILETIME fileTimeLocal = {}; + if (!::FileTimeToLocalFileTime( //convert to local time + &lastWriteTimeUtc, //pointer to UTC file time to convert + &fileTimeLocal)) //pointer to converted file time + throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" FILETIME -> local FILETIME: ") + + wxT("(") + wxULongLong(lastWriteTimeUtc.dwHighDateTime, lastWriteTimeUtc.dwLowDateTime).ToString() + wxT(") ") + + wxT("\n\n") + getLastErrorFormatted()).ToAscii())); + + if (fileTimeLocal.dwHighDateTime > 0x7FFFFFFF) + return _("Error"); //this actually CAN happen if UTC time is just below this border and ::FileTimeToLocalFileTime() adds 2 hours due to DST or whatever! + //Testcase (UTC): dateHigh = 2147483647 (=0x7fffffff) -> year 30000 + // dateLow = 4294967295 + + if (!::FileTimeToSystemTime( + &fileTimeLocal, //pointer to file time to convert + &systemTimeLocal)) //pointer to structure to receive system time + throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" local FILETIME -> local SYSTEMTIME: ") + + wxT("(") + wxULongLong(fileTimeLocal.dwHighDateTime, fileTimeLocal.dwLowDateTime).ToString() + wxT(") ") + + wxT("\n\n") + getLastErrorFormatted()).ToAscii())); + } + + /* + //assemble time string (performance optimized) -> note: performance argument is not valid anymore + + wxString formattedTime; + formattedTime.reserve(20); + + writeFourDigitNumber(time.wYear, formattedTime); + formattedTime += wxChar('-'); + writeTwoDigitNumber(time.wMonth, formattedTime); + formattedTime += wxChar('-'); + writeTwoDigitNumber(time.wDay, formattedTime); + formattedTime += wxChar(' '); + formattedTime += wxChar(' '); + writeTwoDigitNumber(time.wHour, formattedTime); + formattedTime += wxChar(':'); + writeTwoDigitNumber(time.wMinute, formattedTime); + formattedTime += wxChar(':'); + writeTwoDigitNumber(time.wSecond, formattedTime); + */ + const wxDateTime localTime(systemTimeLocal.wDay, + wxDateTime::Month(systemTimeLocal.wMonth - 1), + systemTimeLocal.wYear, + systemTimeLocal.wHour, + systemTimeLocal.wMinute, + systemTimeLocal.wSecond); #elif defined FFS_LINUX tm* timeinfo; const time_t fileTime = utcTime.ToLong(); timeinfo = localtime(&fileTime); //convert to local time - char buffer[50]; - strftime(buffer, 50, "%Y-%m-%d %H:%M:%S", timeinfo); - return zToWx(buffer); + /* + char buffer[50]; + ::strftime(buffer, 50, "%Y-%m-%d %H:%M:%S", timeinfo); + return zToWx(buffer); + */ + const wxDateTime localTime(timeinfo->tm_mday, + wxDateTime::Month(timeinfo->tm_mon), + 1900 + timeinfo->tm_year, + timeinfo->tm_hour, + timeinfo->tm_min, + timeinfo->tm_sec); #endif + + return localTime.FormatDate() + wxT(" ") + localTime.FormatTime(); } |