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annotate scripts/miscellaneous/fileparts.m @ 31191:bb9d776eafac stable

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Fix wrong color in PDF printout of some latex strings (bug #62884) * octave-svgconvert (draw): For "rect" elements only set brush color if necessary and eventually restore to previous color.
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Sun, 14 Aug 2022 18:24:07 +0200
parents 796f54d4ddbf
children 597f3ee61a48
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2003-2022 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## -*- texinfo -*-
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27 ## @deftypefn {} {[@var{dir}, @var{name}, @var{ext}] =} fileparts (@var{filename})
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28 ## Return the directory, name, and extension components of @var{filename}.
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29 ##
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30 ## The input @var{filename} is a string which is parsed. There is no attempt
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31 ## to check whether the filename or directory specified actually exists.
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32 ## @seealso{fullfile, filesep}
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33 ## @end deftypefn
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34
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35 function [dir, name, ext] = fileparts (filename)
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36
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37 if (nargin < 1)
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38 print_usage ();
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39 endif
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40
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41 if (! ischar (filename) || rows (filename) > 1)
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42 error ("fileparts: FILENAME must be a single string");
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43 endif
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44
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45 ds = strchr (filename, filesep ("all"), 1, "last");
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46 if (isempty (ds))
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47 ds = 0;
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48 endif
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49 es = rindex (filename, ".");
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50 ## These can be the same if they are both 0 (no dir or ext).
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51 if (es <= ds)
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52 es = length (filename)+1;
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53 endif
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54
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55 if (ds == 0)
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56 dir = "";
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57 elseif (ds == 1)
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58 dir = filename(1);
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59 else
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60 dir = filename(1:ds-1);
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61 endif
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62
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63 name = filename(ds+1:es-1);
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64 if (isempty (name))
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65 name = "";
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66 endif
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67
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68 if (es > 0 && es <= length (filename))
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69 ext = filename(es:end);
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70 else
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71 ext = "";
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72 endif
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73
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74 endfunction
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75
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76
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77 %!test
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78 %! [d, n, e] = fileparts ("file");
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79 %! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ""));
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80
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81 %!test
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82 %! [d, n, e] = fileparts ("file.ext");
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83 %! assert (strcmp (d, "") && strcmp (n, "file") && strcmp (e, ".ext"));
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84
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85 %!test
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86 %! [d, n, e] = fileparts ("/file.ext");
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87 %! assert (strcmp (d, "/") && strcmp (n, "file") && strcmp (e, ".ext"));
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88
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89 %!test
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90 %! [d, n, e] = fileparts ("dir/file.ext");
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91 %! assert (strcmp (d, "dir") && strcmp (n, "file") && strcmp (e, ".ext"));
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92
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93 %!test
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94 %! [d, n, e] = fileparts ("./file.ext");
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95 %! assert (strcmp (d, ".") && strcmp (n, "file") && strcmp (e, ".ext"));
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96
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97 %!test
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98 %! [d, n, e] = fileparts ("d1/d2/file.ext");
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99 %! assert (strcmp (d, "d1/d2") && strcmp (n, "file") && strcmp (e, ".ext"));
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100
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101 %!test
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102 %! [d, n, e] = fileparts ("/d1/d2/file.ext");
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103 %! assert (strcmp (d, "/d1/d2") && strcmp (n, "file") && strcmp (e, ".ext"));
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104
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105 %!test
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106 %! [d, n, e] = fileparts ("/.ext");
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107 %! assert (strcmp (d, "/") && strcmp (n, "") && strcmp (e, ".ext"));
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108
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109 %!test
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110 %! [d, n, e] = fileparts (".ext");
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111 %! assert (strcmp (d, "") && strcmp (n, "") && strcmp (e, ".ext"));
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112
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113 ## Test input validation
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114 %!error <Invalid call> fileparts ()
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115 %!error <FILENAME must be a single string> fileparts (1)
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116 %!error <FILENAME must be a single string> fileparts (["a"; "b"])