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annotate scripts/strings/untabify.m @ 20391:aa36fb998a4d stable

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maint: Remove unnecessary whitespace at end of lines. * libgui/Makefile.am, libgui/graphics/Canvas.cc, libgui/graphics/EditControl.cc, libgui/graphics/Figure.cc, libgui/graphics/MouseModeActionGroup.cc, libgui/graphics/annotation-dialog.cc, libgui/graphics/annotation-dialog.h, libgui/graphics/gl-select.cc, libgui/graphics/module.mk, libgui/kb-layouts/default.keytab, libgui/kb-layouts/linux.keytab, libgui/kb-layouts/vt420pc.keytab, libgui/src/m-editor/find-dialog.cc, libgui/src/main-window.cc, libgui/src/octave-qt-link.cc, libgui/src/octave-qt-link.h, libgui/src/shortcut-manager.h, libinterp/corefcn/error.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gl2ps-renderer.cc, libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h, libinterp/corefcn/octave-link.cc, libinterp/corefcn/quadcc.cc, libinterp/corefcn/strfns.cc, libinterp/corefcn/syscalls.cc, libinterp/corefcn/sysdep.cc, libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc, libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/colamd.cc, libinterp/octave-value/ov-bool-sparse.cc, libinterp/octave-value/ov-classdef.cc, libinterp/octave-value/ov-re-sparse.cc, libinterp/octave-value/ov-struct.cc, libinterp/parse-tree/pt-arg-list.cc, scripts/audio/@audiorecorder/play.m, scripts/audio/wavwrite.m, scripts/general/cart2sph.m, scripts/geometry/inpolygon.m, scripts/gui/listdlg.m, scripts/gui/msgbox.m, scripts/gui/private/message_dialog.m, scripts/help/get_first_help_sentence.m, scripts/help/lookfor.m, scripts/image/imshow.m, scripts/io/strread.m, scripts/java/javamem.m, scripts/miscellaneous/dir.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/genvarname.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/private/__w2mpth__.m, scripts/plot/appearance/annotation.m, scripts/plot/draw/colorbar.m, scripts/plot/draw/quiver3.m, scripts/plot/util/hold.m, scripts/plot/util/print.m, scripts/polynomial/mkpp.m, scripts/polynomial/polyder.m, scripts/polynomial/spline.m, scripts/polynomial/unmkpp.m, scripts/signal/arma_rnd.m, scripts/sparse/gplot.m, scripts/statistics/tests/t_test.m, scripts/statistics/tests/t_test_regression.m, scripts/strings/mat2str.m, scripts/strings/strsplit.m, scripts/strings/strtrunc.m, scripts/strings/untabify.m, scripts/testfun/assert.m: maint: Remove unnecessary whitespace at end of lines.
author Rik <rik@octave.org>
date Tue, 12 May 2015 09:22:01 -0700
parents df437a52bcaf
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 2010-2015 Ben Abbott
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful,
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11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ## GNU General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} untabify (@var{t})
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21 ## @deftypefnx {Function File} {} untabify (@var{t}, @var{tw})
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22 ## @deftypefnx {Function File} {} untabify (@var{t}, @var{tw}, @var{deblank})
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23 ## Replace TAB characters in @var{t} with spaces.
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24 ##
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25 ## The input, @var{t}, may be either a 2-D character array, or a cell array of
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26 ## character strings. The output is the same class as the input.
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27 ##
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28 ## The tab width is specified by @var{tw}, and defaults to eight.
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29 ##
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30 ## If the optional argument @var{deblank} is true, then the spaces will be
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31 ## removed from the end of the character data.
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32 ##
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33 ## The following example reads a file and writes an untabified version of the
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34 ## same file with trailing spaces stripped.
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35 ##
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36 ## @example
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37 ## @group
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38 ## fid = fopen ("tabbed_script.m");
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39 ## text = char (fread (fid, "uchar")');
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40 ## fclose (fid);
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41 ## fid = fopen ("untabified_script.m", "w");
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42 ## text = untabify (strsplit (text, "\n"), 8, true);
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43 ## fprintf (fid, "%s\n", text@{:@});
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44 ## fclose (fid);
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45 ## @end group
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46 ## @end example
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47 ##
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48 ## @seealso{strjust, strsplit, deblank}
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49 ## @end deftypefn
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50
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51 ## Author: Ben Abbott <bpabbott@mac.com>
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52 ## Created: 2010-10-15
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53
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54 function s = untabify (t, tw = 8, dblank = false)
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55
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56 if (nargin < 1 || nargin > 3)
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57 print_usage ();
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58 elseif (! (ischar (t) || iscellstr (t)))
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59 error ("untabify: T must be a string or cellstring");
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60 endif
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61
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62 if (ischar (t))
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63 s = replace_tabs (t, tw);
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64 else
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65 s = cellfun (@replace_tabs, t, {tw}, "uniformoutput", false);
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66 endif
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67
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68 if (dblank)
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69 s = deblank (s);
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70 endif
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71
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72 endfunction
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73
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74 function s = replace_tabs (t, tw)
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75
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76 if (ndims (t) != 2)
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77 error ("untabify: character strings to untabify must have 2 dimensions");
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78 endif
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79
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80 if (isempty (t))
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81 s = t;
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82 else
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83 nr = rows (t);
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84 sc = cell (nr, 1);
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85 for j = 1:nr
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86 n = 1:numel (t(j,:));
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87 m = find (t(j,:) == "\t");
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88 t(j,m) = " ";
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89 for i = 1:numel (m)
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90 k = tw * ceil (n(m(i)) / tw);
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91 dn = k - n(m(i));
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92 n(m(i):end) += dn;
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93 endfor
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94 sc{j} = blanks (n(end));
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95 sc{j}(n) = t(j,:);
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96 endfor
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97 s = char (sc);
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98 endif
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99
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100 endfunction
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101
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102
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103 %!test
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104 %! s = untabify ("\thello\t");
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105 %! assert (s, [blanks(8) "hello" blanks(3)]);
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106
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107 %!test
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108 %! s = untabify ("\thello\t", 2);
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109 %! assert (s, [blanks(2) "hello" blanks(1)]);
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110
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111 %!test
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112 %! s = untabify ("\thello\t", 4, true);
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113 %! assert (s, [blanks(4) "hello"]);
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114
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115 %!assert (isempty (untabify ("")))
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116
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117 %!test
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Rik <octave@nomad.inbox5.com>
parents: 11587
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118 %! s = char (randi ([97 97+25], 3, 3));
135ec8155eeb untabify.m: Place input validation first. Simplify assert tests.
Rik <octave@nomad.inbox5.com>
parents: 11587
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119 %! assert (untabify (s), char (untabify (cellstr (s))));
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Ben Abbott <bpabbott@mac.com>
parents:
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120
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Rik <octave@nomad.inbox5.com>
parents: 11587
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121 %!error untabify ()
135ec8155eeb untabify.m: Place input validation first. Simplify assert tests.
Rik <octave@nomad.inbox5.com>
parents: 11587
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122 %!error untabify (1,2,3,4)
135ec8155eeb untabify.m: Place input validation first. Simplify assert tests.
Rik <octave@nomad.inbox5.com>
parents: 11587
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123 %!error <must be a string> untabify (1)
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Ben Abbott <bpabbott@mac.com>
parents:
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124