time   calls  line
                  1 function pj = name( pj )
                  2 %NAME Method to check or create valid filename.
                  3 %   Validate FileName in PrintJob object. If empty, no name passed to PRINT 
                  4 %   command, but one is required by the driver, image file formats, we invent 
                  5 %   a name and tell the user what it is. Also invent name, but do not tell 
                  6 %   user, for temporary PS file created on disk when printing directly 
                  7 %   to output device or for GhostScript conversion.
                  8 
                  9 %   Copyright 1984-2010 The MathWorks, Inc.
                 10 %   $Revision: 1.8.4.12 $
                 11 
                 12 %Generate a name we would use if had to in various circumstances.
            40   13 if isfigure( pj.Handles{1}(1) ) 
  0.01      40   14     objName = ['figure' int2str( double(pj.Handles{1}(1) ))]; 
                 15 else
                 16     objName = get_param(pj.Handles{1}(1),'name');
                 17 end
                 18 
            40   19 tellUserFilename = 0; 
            40   20 if isempty(pj.FileName) 
                 21     if pj.DriverExport && ... 
                 22             ~strcmp(pj.DriverClass,'MW') && ~pj.DriverClipboard && ~pj.RGBImage
                 23         %These kinds of files shouldn't go to printer, generate file on disk
                 24         pj.FileName = objName;
                 25         tellUserFilename = 1;
                 26         
                 27     else
                 28         %File is going to be sent to an output device by OS or us.
                 29         if ~strcmp(pj.DriverClass,'MW') && ~pj.DriverClipboard && ~pj.RGBImage
                 30             %Going to a file, invent a name
                 31             pj.FileName = tempname;
                 32             pj.PrintOutput = 1;
                 33         end
                 34     end
                 35     
                 36     % only support going to clipboard w/o specifying -clipboard option 
                 37     % for the grandfathered cases on Windows 
                 38     if ~pj.ClipboardOption && pj.DriverClipboard
                 39         if ~ispc || (ispc && ~any(strcmp(pj.Driver, {'meta', 'bitmap'})))
                 40             pj.FileName = objName;
                 41             tellUserFilename = 1;
                 42         end
                 43     end    
            40   44 else 
                 45 	%Both / and \ are commonly used, but in MATLAB we recognize only filesep
            40   46 	pj.FileName = strrep( pj.FileName, '/', filesep ); 
            40   47 	pj.FileName = strrep( pj.FileName, '\', filesep );         
            40   48 end 
                 49 
                 50 %Append appropriate extension to filename if 
                 51 % 1) it doesn't have one, and 
                 52 % 2) we've determined a good one
            40   53 if ~isempty( pj.DriverExt ) && ~isempty( pj.FileName ) 
                 54     %Could assert that ~isempty( pj.FileName )
  0.03      40   55     [p,n,e] = fileparts( pj.FileName ); 
  0.01      40   56     if isempty( e ) 
                 57         pj.FileName = fullfile( p, [n '.' pj.DriverExt] );
                 58     end
            40   59 end 
                 60 
                 61 % on unix fix the file spec if it starts with '~/' so we look at the user's home dir
            40   62 if (isunix) 
            40   63     pj.FileName = fixTilde(pj.FileName); 
            40   64 end 
                 65 
            40   66 if tellUserFilename 
                 67     %Invented name above because of device or bad filename
                 68     if tellUserFilename == 1
                 69         errStr1 = sprintf( 'Files produced by the ''%s'' driver cannot be sent to printer.\n', pj.Driver);
                 70     else
                 71         errStr1 = '';
                 72     end
                 73     
                 74     warning('MATLAB:Print:SavingToDifferentName',...
                 75             '%sFile saved to disk under name ''%s''.', errStr1, pj.FileName ) 
                 76 end
                 77 
                 78 % Check that we can write to the output file
            40   79 if ~isempty(pj.FileName) 
            40   80   [fpath,fname,ext] = fileparts(pj.FileName); 
            40   81   if isempty(fpath) 
                 82     fpath = '.';
                 83   end
  0.01      40   84   pj.FileName = fullfile(fpath,[fname ext]); 
                 85   % first check if readable file already exists there
            40   86   fidread = fopen(pj.FileName,'r'); 
            40   87   didnotexist = (fidread == -1); 
            40   88   if ~didnotexist 
                 89     fclose(fidread);
                 90   end
                 91   % now check if file is appendable (will create file if not there)
            40   92   fidappend = fopen(pj.FileName,'a'); 
            40   93   if fidappend ~= -1 
  0.01      40   94     fclose(fidappend); 
                 95     % check if we have to delete the created file
            40   96     if didnotexist 
                 97       % @todo Replace This once we have a flag on delete 
                 98       % for disabling the recycle.
            40   99       ov=recycle('off'); 
            40  100       delete(pj.FileName); 
            40  101       recycle(ov); 
            40  102     end 
                103   else
                104     error('MATLAB:Print:CannotCreateOutputFile',...
                105           'Cannot create output file ''%s''', pj.FileName);
                106   end
            40  107 end 
                108 
                109 %A little business to clear up.
                110 %Now that we found good extension and all that for GS driver,
                111 %we swap in a PS driver and temporary name for later conversion
                112 %to a file whose name we just prettied up.
            40  113 if strcmp( pj.DriverClass, 'GS' ) 
                114     %Remember actual device, get MATLAB to produce PostScript
                115     %for later conversion by GhostScript
                116     pj.GhostDriver = pj.Driver;
                117     if pj.DriverColor
                118         pj.Driver = 'psc';
                119     else
                120         pj.Driver = 'ps';
                121     end
                122     pj.GhostName = pj.FileName;
                123     pj.FileName = [tempname '.ps'];
                124 end

Other subfunctions in this file are not included in this listing.