+ else // mkstemp() succeeded
+ {
+ path = wxConvFile.cMB2WX( (const char*) buf );
+
+ // avoid leaking the fd
+ if ( fileTemp )
+ {
+ fileTemp->Attach(fdTemp);
+ }
+ else
+ {
+ close(fdTemp);
+ }
+ }
+#else // !HAVE_MKSTEMP
+
+#ifdef HAVE_MKTEMP
+ // same as above
+ path += _T("XXXXXX");
+
+ wxCharBuffer buf = wxConvFile.cWX2MB( path );
+ if ( !mktemp( (const char*) buf ) )
+ {
+ path.clear();
+ }
+ else
+ {
+ path = wxConvFile.cMB2WX( (const char*) buf );
+ }
+#else // !HAVE_MKTEMP (includes __DOS__)
+ // generate the unique file name ourselves
+ #ifndef __DOS__
+ path << (unsigned int)getpid();
+ #endif
+
+ wxString pathTry;
+
+ static const size_t numTries = 1000;
+ for ( size_t n = 0; n < numTries; n++ )
+ {
+ // 3 hex digits is enough for numTries == 1000 < 4096
+ pathTry = path + wxString::Format(_T("%.03x"), n);
+ if ( !wxFile::Exists(pathTry) )
+ {
+ break;
+ }
+
+ pathTry.clear();
+ }
+
+ path = pathTry;
+#endif // HAVE_MKTEMP/!HAVE_MKTEMP
+
+ if ( !path.empty() )
+ {
+ }
+#endif // HAVE_MKSTEMP/!HAVE_MKSTEMP
+
+#endif // Windows/!Windows
+
+ if ( path.empty() )
+ {
+ wxLogSysError(_("Failed to create a temporary file name"));
+ }
+ else if ( fileTemp && !fileTemp->IsOpened() )
+ {
+ // open the file - of course, there is a race condition here, this is
+ // why we always prefer using mkstemp()...
+ //
+ // NB: GetTempFileName() under Windows creates the file, so using
+ // write_excl there would fail
+ if ( !fileTemp->Open(path,
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
+ wxFile::write,
+#else
+ wxFile::write_excl,
+#endif
+ wxS_IRUSR | wxS_IWUSR) )
+ {
+ // FIXME: If !ok here should we loop and try again with another
+ // file name? That is the standard recourse if open(O_EXCL)
+ // fails, though of course it should be protected against
+ // possible infinite looping too.
+
+ wxLogError(_("Failed to open temporary file."));
+
+ path.clear();
+ }
+ }
+
+ return path;
+}
+
+// ----------------------------------------------------------------------------
+// directory operations
+// ----------------------------------------------------------------------------
+
+bool wxFileName::Mkdir( int perm, int flags )
+{
+ return wxFileName::Mkdir( GetFullPath(), perm, flags );
+}
+
+bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
+{
+ if ( flags & wxPATH_MKDIR_FULL )
+ {
+ // split the path in components
+ wxFileName filename;
+ filename.AssignDir(dir);
+
+ wxString currPath;
+ if ( filename.HasVolume())
+ {
+ currPath << wxGetVolumeString(filename.GetVolume(), wxPATH_NATIVE);
+ }
+
+ wxArrayString dirs = filename.GetDirs();
+ size_t count = dirs.GetCount();
+ for ( size_t i = 0; i < count; i++ )
+ {
+ if ( i > 0 || filename.IsAbsolute() )
+ currPath += wxFILE_SEP_PATH;
+ currPath += dirs[i];
+
+ if (!DirExists(currPath))
+ {
+ if (!wxMkdir(currPath, perm))
+ {
+ // no need to try creating further directories
+ return FALSE;
+ }
+ }
+ }
+
+ return TRUE;
+
+ }
+
+ return ::wxMkdir( dir, perm );
+}
+
+bool wxFileName::Rmdir()
+{
+ return wxFileName::Rmdir( GetFullPath() );
+}
+
+bool wxFileName::Rmdir( const wxString &dir )
+{
+ return ::wxRmdir( dir );
+}
+
+// ----------------------------------------------------------------------------
+// path normalization
+// ----------------------------------------------------------------------------
+
+bool wxFileName::Normalize(int flags,
+ const wxString& cwd,
+ wxPathFormat format)
+{
+ // the existing path components
+ wxArrayString dirs = GetDirs();
+
+ // the path to prepend in front to make the path absolute
+ wxFileName curDir;
+
+ format = GetFormat(format);
+
+ // make the path absolute
+ if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) )
+ {
+ if ( cwd.empty() )
+ {
+ curDir.AssignCwd(GetVolume());
+ }
+ else // cwd provided
+ {
+ curDir.AssignDir(cwd);
+ }
+
+ // the path may be not absolute because it doesn't have the volume name
+ // but in this case we shouldn't modify the directory components of it
+ // but just set the current volume
+ if ( !HasVolume() && curDir.HasVolume() )
+ {
+ SetVolume(curDir.GetVolume());
+
+ if ( !m_relative )
+ {
+ // yes, it was the case - we don't need curDir then
+ curDir.Clear();
+ }
+ }
+ }
+
+ // handle ~ stuff under Unix only
+ if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) )
+ {
+ if ( !dirs.IsEmpty() )
+ {
+ wxString dir = dirs[0u];
+ if ( !dir.empty() && dir[0u] == _T('~') )
+ {
+ curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
+
+ dirs.RemoveAt(0u);
+ }
+ }
+ }
+
+ // transform relative path into abs one
+ if ( curDir.IsOk() )
+ {
+ wxArrayString dirsNew = curDir.GetDirs();
+ size_t count = dirs.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ dirsNew.Add(dirs[n]);
+ }
+
+ dirs = dirsNew;
+ }
+
+ // now deal with ".", ".." and the rest
+ m_dirs.Empty();
+ size_t count = dirs.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxString dir = dirs[n];
+
+ if ( flags & wxPATH_NORM_DOTS )
+ {
+ if ( dir == wxT(".") )
+ {
+ // just ignore
+ continue;
+ }
+
+ if ( dir == wxT("..") )
+ {
+ if ( m_dirs.IsEmpty() )
+ {
+ wxLogError(_("The path '%s' contains too many \"..\"!"),
+ GetFullPath().c_str());
+ return FALSE;
+ }
+
+ m_dirs.RemoveAt(m_dirs.GetCount() - 1);
+ continue;
+ }
+ }
+
+ if ( flags & wxPATH_NORM_ENV_VARS )
+ {
+ dir = wxExpandEnvVars(dir);
+ }
+
+ if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
+ {
+ dir.MakeLower();
+ }
+
+ m_dirs.Add(dir);
+ }
+
+ if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
+ {
+ // VZ: expand env vars here too?
+
+ m_name.MakeLower();
+ m_ext.MakeLower();
+ }
+
+ // we do have the path now
+ //
+ // NB: need to do this before (maybe) calling Assign() below
+ m_relative = FALSE;
+
+#if defined(__WIN32__)
+ if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) )
+ {
+ Assign(GetLongPath());
+ }
+#endif // Win32
+
+ return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// absolute/relative paths
+// ----------------------------------------------------------------------------
+
+bool wxFileName::IsAbsolute(wxPathFormat format) const
+{
+ // if our path doesn't start with a path separator, it's not an absolute
+ // path
+ if ( m_relative )
+ return FALSE;
+
+ if ( !GetVolumeSeparator(format).empty() )
+ {
+ // this format has volumes and an absolute path must have one, it's not
+ // enough to have the full path to bean absolute file under Windows
+ if ( GetVolume().empty() )
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format)
+{
+ wxFileName fnBase(pathBase, format);
+
+ // get cwd only once - small time saving
+ wxString cwd = wxGetCwd();
+ Normalize(wxPATH_NORM_ALL, cwd, format);
+ fnBase.Normalize(wxPATH_NORM_ALL, cwd, format);
+
+ bool withCase = IsCaseSensitive(format);
+
+ // we can't do anything if the files live on different volumes
+ if ( !GetVolume().IsSameAs(fnBase.GetVolume(), withCase) )
+ {
+ // nothing done
+ return FALSE;
+ }
+
+ // same drive, so we don't need our volume
+ m_volume.clear();
+
+ // remove common directories starting at the top
+ while ( !m_dirs.IsEmpty() && !fnBase.m_dirs.IsEmpty() &&
+ m_dirs[0u].IsSameAs(fnBase.m_dirs[0u], withCase) )
+ {
+ m_dirs.RemoveAt(0);
+ fnBase.m_dirs.RemoveAt(0);
+ }
+
+ // add as many ".." as needed
+ size_t count = fnBase.m_dirs.GetCount();
+ for ( size_t i = 0; i < count; i++ )
+ {
+ m_dirs.Insert(wxT(".."), 0u);
+ }
+
+ if ( format == wxPATH_UNIX || format == wxPATH_DOS )
+ {
+ // a directory made relative with respect to itself is '.' under Unix
+ // and DOS, by definition (but we don't have to insert "./" for the
+ // files)
+ if ( m_dirs.IsEmpty() && IsDir() )
+ {
+ m_dirs.Add(_T('.'));
+ }
+ }
+
+ m_relative = TRUE;
+
+ // we were modified
+ return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// filename kind tests
+// ----------------------------------------------------------------------------
+
+bool wxFileName::SameAs(const wxFileName &filepath, wxPathFormat format)
+{
+ wxFileName fn1 = *this,
+ fn2 = filepath;
+
+ // get cwd only once - small time saving
+ wxString cwd = wxGetCwd();
+ fn1.Normalize(wxPATH_NORM_ALL, cwd, format);
+ fn2.Normalize(wxPATH_NORM_ALL, cwd, format);
+
+ if ( fn1.GetFullPath() == fn2.GetFullPath() )
+ return TRUE;
+
+ // TODO: compare inodes for Unix, this works even when filenames are
+ // different but files are the same (symlinks) (VZ)
+
+ return FALSE;
+}
+
+/* static */
+bool wxFileName::IsCaseSensitive( wxPathFormat format )
+{
+ // only Unix filenames are truely case-sensitive
+ return GetFormat(format) == wxPATH_UNIX;
+}
+
+/* static */
+wxString wxFileName::GetVolumeSeparator(wxPathFormat format)
+{
+ wxString sepVol;
+
+ if ( (GetFormat(format) == wxPATH_DOS) ||
+ (GetFormat(format) == wxPATH_VMS) )
+ {
+ sepVol = wxFILE_SEP_DSK;
+ }
+ //else: leave empty
+
+ return sepVol;
+}
+
+/* static */
+wxString wxFileName::GetPathSeparators(wxPathFormat format)
+{
+ wxString seps;
+ switch ( GetFormat(format) )
+ {
+ case wxPATH_DOS:
+ // accept both as native APIs do but put the native one first as
+ // this is the one we use in GetFullPath()
+ seps << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_UNIX;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown wxPATH_XXX style") );
+ // fall through
+
+ case wxPATH_UNIX:
+ seps = wxFILE_SEP_PATH_UNIX;
+ break;
+
+ case wxPATH_MAC:
+ seps = wxFILE_SEP_PATH_MAC;
+ break;
+
+ case wxPATH_VMS:
+ seps = wxFILE_SEP_PATH_VMS;
+ break;
+ }
+
+ return seps;
+}
+
+/* static */
+bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format)
+{
+ // wxString::Find() doesn't work as expected with NUL - it will always find
+ // it, so it is almost surely a bug if this function is called with NUL arg
+ wxASSERT_MSG( ch != _T('\0'), _T("shouldn't be called with NUL") );
+
+ return GetPathSeparators(format).Find(ch) != wxNOT_FOUND;
+}
+
+// ----------------------------------------------------------------------------
+// path components manipulation
+// ----------------------------------------------------------------------------
+
+void wxFileName::AppendDir( const wxString &dir )
+{
+ m_dirs.Add( dir );
+}
+
+void wxFileName::PrependDir( const wxString &dir )
+{
+ m_dirs.Insert( dir, 0 );
+}
+
+void wxFileName::InsertDir( int before, const wxString &dir )
+{
+ m_dirs.Insert( dir, before );
+}
+
+void wxFileName::RemoveDir( int pos )
+{
+ m_dirs.Remove( (size_t)pos );
+}
+
+// ----------------------------------------------------------------------------
+// accessors
+// ----------------------------------------------------------------------------
+
+void wxFileName::SetFullName(const wxString& fullname)
+{
+ SplitPath(fullname, NULL /* no path */, &m_name, &m_ext);
+}
+
+wxString wxFileName::GetFullName() const
+{
+ wxString fullname = m_name;
+ if ( !m_ext.empty() )
+ {
+ fullname << wxFILE_SEP_EXT << m_ext;
+ }
+
+ return fullname;
+}
+
+wxString wxFileName::GetPath( int flags, wxPathFormat format ) const
+{
+ format = GetFormat( format );
+
+ wxString fullpath;
+
+ // return the volume with the path as well if requested
+ if ( flags & wxPATH_GET_VOLUME )
+ {
+ fullpath += wxGetVolumeString(GetVolume(), format);
+ }
+
+ // the leading character
+ switch ( format )
+ {
+ case wxPATH_MAC:
+ if ( m_relative )
+ fullpath += wxFILE_SEP_PATH_MAC;
+ break;
+
+ case wxPATH_DOS:
+ if (!m_relative)
+ fullpath += wxFILE_SEP_PATH_DOS;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown path format") );
+ // fall through
+
+ case wxPATH_UNIX:
+ if ( !m_relative )
+ {
+ // normally the absolute file names starts with a slash with
+ // one exception: file names like "~/foo.bar" don't have it
+ if ( m_dirs.IsEmpty() || m_dirs[0u] != _T('~') )
+ {
+ fullpath += wxFILE_SEP_PATH_UNIX;
+ }
+ }
+ break;
+
+ case wxPATH_VMS:
+ // no leading character here but use this place to unset
+ // wxPATH_GET_SEPARATOR flag: under VMS it doesn't make sense as,
+ // if I understand correctly, there should never be a dot before
+ // the closing bracket
+ flags &= ~wxPATH_GET_SEPARATOR;
+ }
+
+ // then concatenate all the path components using the path separator
+ size_t dirCount = m_dirs.GetCount();
+ if ( dirCount )
+ {
+ if ( format == wxPATH_VMS )
+ {
+ fullpath += wxT('[');
+ }
+
+ for ( size_t i = 0; i < dirCount; i++ )
+ {
+ switch (format)
+ {
+ case wxPATH_MAC:
+ if ( m_dirs[i] == wxT(".") )
+ {
+ // skip appending ':', this shouldn't be done in this
+ // case as "::" is interpreted as ".." under Unix
+ continue;
+ }
+
+ // convert back from ".." to nothing
+ if ( m_dirs[i] != wxT("..") )
+ fullpath += m_dirs[i];
+ break;
+
+ default:
+ wxFAIL_MSG( wxT("unexpected path format") );
+ // still fall through
+
+ case wxPATH_DOS:
+ case wxPATH_UNIX:
+ fullpath += m_dirs[i];
+ break;
+
+ case wxPATH_VMS:
+ // TODO: What to do with ".." under VMS
+
+ // convert back from ".." to nothing
+ if ( m_dirs[i] != wxT("..") )
+ fullpath += m_dirs[i];
+ break;
+ }
+
+ if ( (flags & wxPATH_GET_SEPARATOR) || (i != dirCount - 1) )
+ fullpath += GetPathSeparator(format);
+ }
+
+ if ( format == wxPATH_VMS )
+ {
+ fullpath += wxT(']');
+ }
+ }
+
+ return fullpath;
+}
+
+wxString wxFileName::GetFullPath( wxPathFormat format ) const
+{
+ // we already have a function to get the path
+ wxString fullpath = GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR,
+ format);
+
+ // now just add the file name and extension to it
+ fullpath += GetFullName();
+
+ return fullpath;
+}
+
+// Return the short form of the path (returns identity on non-Windows platforms)
+wxString wxFileName::GetShortPath() const
+{
+#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
+ wxString path(GetFullPath());
+ wxString pathOut;
+ DWORD sz = ::GetShortPathName(path, NULL, 0);
+ bool ok = sz != 0;
+ if ( ok )
+ {
+ ok = ::GetShortPathName
+ (
+ path,
+ pathOut.GetWriteBuf(sz),
+ sz
+ ) != 0;
+ pathOut.UngetWriteBuf();
+ }
+ if (ok)
+ return pathOut;
+
+ return path;
+#else
+ return GetFullPath();
+#endif
+}
+
+// Return the long form of the path (returns identity on non-Windows platforms)
+wxString wxFileName::GetLongPath() const
+{
+ wxString pathOut,
+ path = GetFullPath();
+
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)
+ bool success = FALSE;
+
+#if wxUSE_DYNAMIC_LOADER
+ typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
+
+ static bool s_triedToLoad = FALSE;
+
+ if ( !s_triedToLoad )
+ {
+ // suppress the errors about missing GetLongPathName[AW]
+ wxLogNull noLog;
+
+ s_triedToLoad = TRUE;
+ wxDynamicLibrary dllKernel(_T("kernel32"));
+ if ( dllKernel.IsLoaded() )
+ {
+ // may succeed or fail depending on the Windows version
+ static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
+#ifdef _UNICODE
+ s_pfnGetLongPathName = (GET_LONG_PATH_NAME) dllKernel.GetSymbol(_T("GetLongPathNameW"));
+#else
+ s_pfnGetLongPathName = (GET_LONG_PATH_NAME) dllKernel.GetSymbol(_T("GetLongPathNameA"));
+#endif
+
+ if ( s_pfnGetLongPathName )
+ {
+ DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
+ bool ok = dwSize > 0;
+
+ if ( ok )
+ {
+ DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0);
+ ok = sz != 0;
+ if ( ok )
+ {
+ ok = (*s_pfnGetLongPathName)
+ (
+ path,
+ pathOut.GetWriteBuf(sz),
+ sz
+ ) != 0;
+ pathOut.UngetWriteBuf();
+
+ success = TRUE;
+ }
+ }
+ }
+ }
+ }
+
+ if (success)
+ return pathOut;
+#endif // wxUSE_DYNAMIC_LOADER
+
+ if (!success)
+ {
+ // The OS didn't support GetLongPathName, or some other error.
+ // We need to call FindFirstFile on each component in turn.
+
+ WIN32_FIND_DATA findFileData;
+ HANDLE hFind;
+ pathOut = wxEmptyString;
+
+ wxArrayString dirs = GetDirs();
+ dirs.Add(GetFullName());
+
+ wxString tmpPath;
+
+ size_t count = dirs.GetCount();
+ for ( size_t i = 0; i < count; i++ )
+ {
+ // We're using pathOut to collect the long-name path, but using a
+ // temporary for appending the last path component which may be
+ // short-name
+ tmpPath = pathOut + dirs[i];
+
+ if ( tmpPath.empty() )
+ continue;
+
+ if ( tmpPath.Last() == wxT(':') )
+ {
+ // Can't pass a drive and root dir to FindFirstFile,
+ // so continue to next dir
+ tmpPath += wxFILE_SEP_PATH;
+ pathOut = tmpPath;
+ continue;
+ }
+
+ hFind = ::FindFirstFile(tmpPath, &findFileData);
+ if (hFind == INVALID_HANDLE_VALUE)
+ {
+ // Error: return immediately with the original path
+ return path;
+ }
+
+ pathOut += findFileData.cFileName;
+ if ( (i < (count-1)) )
+ pathOut += wxFILE_SEP_PATH;
+
+ ::FindClose(hFind);
+ }
+ }
+#else // !Win32
+ pathOut = path;
+#endif // Win32/!Win32
+
+ return pathOut;
projects / wxWidgets.git / blobdiff