X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5716a1abb15bfe32b268d543b8f89b5d24118e93..abfcca57dd0d805ceec9e19c4be207614d79252a:/src/common/filename.cpp diff --git a/src/common/filename.cpp b/src/common/filename.cpp index 5e6c33816f..38f20fee49 100644 --- a/src/common/filename.cpp +++ b/src/common/filename.cpp @@ -39,15 +39,117 @@ #include "wx/utils.h" #if wxUSE_DYNLIB_CLASS -#include "wx/dynlib.h" + #include "wx/dynlib.h" #endif // For GetShort/LongPathName #ifdef __WIN32__ -#include -#include "wx/msw/winundef.h" + #include + + #include "wx/msw/winundef.h" +#endif + +// utime() is POSIX so should normally be available on all Unices +#ifdef __UNIX_LIKE__ + #include + #include + #include + #include #endif +// ---------------------------------------------------------------------------- +// private classes +// ---------------------------------------------------------------------------- + +// small helper class which opens and closes the file - we use it just to get +// a file handle for the given file name to pass it to some Win32 API function +#ifdef __WIN32__ + +class wxFileHandle +{ +public: + wxFileHandle(const wxString& filename) + { + m_hFile = ::CreateFile + ( + filename, // name + GENERIC_READ, // access mask + 0, // no sharing + NULL, // no secutity attr + OPEN_EXISTING, // creation disposition + 0, // no flags + NULL // no template file + ); + + if ( m_hFile == INVALID_HANDLE_VALUE ) + { + wxLogSysError(_("Failed to open '%s' for reading"), + filename.c_str()); + } + } + + ~wxFileHandle() + { + if ( m_hFile != INVALID_HANDLE_VALUE ) + { + if ( !::CloseHandle(m_hFile) ) + { + wxLogSysError(_("Failed to close file handle")); + } + } + } + + // return TRUE only if the file could be opened successfully + bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; } + + // get the handle + operator HANDLE() const { return m_hFile; } + +private: + HANDLE m_hFile; +}; + +#endif // __WIN32__ + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +#ifdef __WIN32__ + +// convert between wxDateTime and FILETIME which is a 64-bit value representing +// the number of 100-nanosecond intervals since January 1, 1601. + +// the number of milliseconds between the Unix Epoch (January 1, 1970) and the +// FILETIME reference point (January 1, 1601) +static const wxLongLong FILETIME_EPOCH_OFFSET = wxLongLong(0xa97, 0x30b66800); + +static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft) +{ + wxLongLong ll(ft.dwHighDateTime, ft.dwLowDateTime); + + // convert 100ns to ms + ll /= 10000; + + // move it to our Epoch + ll -= FILETIME_EPOCH_OFFSET; + + *dt = wxDateTime(ll); +} + +static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt) +{ + // do the reverse of ConvertFileTimeToWx() + wxLongLong ll = dt.GetValue(); + ll *= 10000; + ll += FILETIME_EPOCH_OFFSET; + + ft->dwHighDateTime = ll.GetHi(); + ft->dwLowDateTime = ll.GetLo(); +} + +#endif // __WIN32__ + // ============================================================================ // implementation // ============================================================================ @@ -70,18 +172,18 @@ void wxFileName::Assign( const wxString& path, { wxStringTokenizer tn(path, GetPathSeparators(format), wxTOKEN_RET_EMPTY_ALL); - bool first = TRUE; + int i = 0; m_dirs.Clear(); while ( tn.HasMoreTokens() ) { wxString token = tn.GetNextToken(); - // If the path starts with a slash, we need the first - // dir entry to be an empty for later reassembly. - if (first || !token.IsEmpty()) + // If the path starts with a slash (or two for a network path), + // we need the first dir entry to be an empty for later reassembly. + if ((i < 2) || !token.IsEmpty()) m_dirs.Add( token ); - first = FALSE; + i ++; } m_ext = ext; @@ -152,13 +254,6 @@ bool wxFileName::DirExists( const wxString &dir ) return ::wxDirExists( dir ); } -wxDateTime wxFileName::GetModificationTime() -{ - wxDateTime ret( wxFileModificationTime( GetFullPath() ) ); - - return ret; -} - // ---------------------------------------------------------------------------- // CWD and HOME stuff // ---------------------------------------------------------------------------- @@ -666,7 +761,7 @@ wxString wxFileName::GetLongPath() const pathOut = wxEmptyString; wxArrayString dirs = GetDirs(); - dirs.Add(GetName()); + dirs.Add(GetFullName()); size_t count = dirs.GetCount(); size_t i; @@ -716,8 +811,8 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format ) { #if defined(__WXMSW__) || defined(__WXPM__) format = wxPATH_DOS; -#elif defined(__WXMAC__) - format = wxPATH_UNIX; // that's the way the rest of wx' code works right now +#elif defined(__WXMAC__) && !defined(__DARWIN__) + format = wxPATH_MAC; #else format = wxPATH_UNIX; #endif @@ -814,3 +909,124 @@ void wxFileName::SplitPath(const wxString& fullpath, } } } + +// ---------------------------------------------------------------------------- +// time functions +// ---------------------------------------------------------------------------- + +bool wxFileName::SetTimes(const wxDateTime *dtCreate, + const wxDateTime *dtAccess, + const wxDateTime *dtMod) +{ +#if defined(__UNIX_LIKE__) + if ( !dtAccess && !dtMod ) + { + // can't modify the creation time anyhow, don't try + return TRUE; + } + + // if dtAccess or dtMod is not specified, use the other one (which must be + // non NULL because of the test above) for both times + utimbuf utm; + utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks(); + utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks(); + if ( utime(GetFullPath(), &utm) == 0 ) + { + return TRUE; + } +#elif defined(__WIN32__) + wxFileHandle fh(GetFullPath()); + if ( fh.IsOk() ) + { + FILETIME ftAccess, ftCreate, ftWrite; + + if ( dtCreate ) + ConvertWxToFileTime(&ftCreate, *dtCreate); + if ( dtAccess ) + ConvertWxToFileTime(&ftAccess, *dtAccess); + if ( dtMod ) + ConvertWxToFileTime(&ftWrite, *dtMod); + + if ( ::SetFileTime(fh, + dtCreate ? &ftCreate : NULL, + dtAccess ? &ftAccess : NULL, + dtMod ? &ftWrite : NULL) ) + { + return TRUE; + } + } +#else // other platform +#endif // platforms + + wxLogSysError(_("Failed to modify file times for '%s'"), + GetFullPath().c_str()); + + return FALSE; +} + +bool wxFileName::Touch() +{ +#if defined(__UNIX_LIKE__) + // under Unix touching file is simple: just pass NULL to utime() + if ( utime(GetFullPath(), NULL) == 0 ) + { + return TRUE; + } + + wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str()); + + return FALSE; +#else // other platform + wxDateTime dtNow = wxDateTime::Now(); + + return SetTimes(NULL /* don't change create time */, &dtNow, &dtNow); +#endif // platforms +} + +bool wxFileName::GetTimes(wxDateTime *dtAccess, + wxDateTime *dtMod, + wxDateTime *dtChange) const +{ +#if defined(__UNIX_LIKE__) + wxStructStat stBuf; + if ( wxStat(GetFullPath(), &stBuf) == 0 ) + { + if ( dtAccess ) + dtAccess->Set(stBuf.st_atime); + if ( dtMod ) + dtMod->Set(stBuf.st_mtime); + if ( dtChange ) + dtChange->Set(stBuf.st_ctime); + + return TRUE; + } +#elif defined(__WIN32__) + wxFileHandle fh(GetFullPath()); + if ( fh.IsOk() ) + { + FILETIME ftAccess, ftCreate, ftWrite; + + if ( ::GetFileTime(fh, + dtMod ? &ftCreate : NULL, + dtAccess ? &ftAccess : NULL, + dtChange ? &ftWrite : NULL) ) + { + if ( dtMod ) + ConvertFileTimeToWx(dtMod, ftCreate); + if ( dtAccess ) + ConvertFileTimeToWx(dtAccess, ftAccess); + if ( dtChange ) + ConvertFileTimeToWx(dtChange, ftWrite); + + return TRUE; + } + } +#else // other platform +#endif // platforms + + wxLogSysError(_("Failed to retrieve file times for '%s'"), + GetFullPath().c_str()); + + return FALSE; +} +