#include "wx/utils.h"
#if wxUSE_DYNLIB_CLASS
-#include "wx/dynlib.h"
+ #include "wx/dynlib.h"
#endif
// For GetShort/LongPathName
#ifdef __WIN32__
-#include <windows.h>
-#include "wx/msw/winundef.h"
+ #include <windows.h>
+
+ #include "wx/msw/winundef.h"
+#endif
+
+// utime() is POSIX so should normally be available on all Unices
+#ifdef __UNIX_LIKE__
+ #include <sys/types.h>
+ #include <utime.h>
+ #include <sys/stat.h>
+ #include <unistd.h>
#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
// ============================================================================
{
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;
return ::wxDirExists( dir );
}
-wxDateTime wxFileName::GetModificationTime()
-{
- wxDateTime ret( wxFileModificationTime( GetFullPath() ) );
-
- return ret;
-}
-
// ----------------------------------------------------------------------------
// CWD and HOME stuff
// ----------------------------------------------------------------------------
pathOut = wxEmptyString;
wxArrayString dirs = GetDirs();
- dirs.Add(GetName());
+ dirs.Add(GetFullName());
size_t count = dirs.GetCount();
size_t i;
#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
+ format = wxPATH_MAC;
#else
format = wxPATH_UNIX;
#endif
}
}
}
+
+// ----------------------------------------------------------------------------
+// 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;
+}
+
projects / wxWidgets.git / blobdiff