Mercurial > octave-antonio
annotate scripts/strings/strjust.m @ 20164:df437a52bcaf stable
doc: Update more docstrings to have one sentence summary as first line.
Reviewed miscellaneous, sparse, strings in scripts directory.
* scripts/miscellaneous/bzip2.m, scripts/miscellaneous/citation.m,
scripts/miscellaneous/compare_versions.m, scripts/miscellaneous/computer.m,
scripts/miscellaneous/debug.m, scripts/miscellaneous/dir.m,
scripts/miscellaneous/edit.m, scripts/miscellaneous/error_ids.m,
scripts/miscellaneous/fileattrib.m, scripts/miscellaneous/fullfile.m,
scripts/miscellaneous/genvarname.m, scripts/miscellaneous/gzip.m,
scripts/miscellaneous/mkoctfile.m, scripts/miscellaneous/news.m,
scripts/miscellaneous/open.m, scripts/miscellaneous/parseparams.m,
scripts/miscellaneous/recycle.m, scripts/miscellaneous/run.m,
scripts/miscellaneous/swapbytes.m, scripts/miscellaneous/tar.m,
scripts/miscellaneous/tmpnam.m, scripts/miscellaneous/unpack.m,
scripts/miscellaneous/what.m, scripts/sparse/bicg.m, scripts/sparse/bicgstab.m,
scripts/sparse/cgs.m, scripts/sparse/colperm.m, scripts/sparse/eigs.m,
scripts/sparse/etreeplot.m, scripts/sparse/gmres.m, scripts/sparse/gplot.m,
scripts/sparse/ichol.m, scripts/sparse/ilu.m, scripts/sparse/pcg.m,
scripts/sparse/pcr.m, scripts/sparse/qmr.m, scripts/sparse/spaugment.m,
scripts/sparse/spconvert.m, scripts/sparse/spdiags.m, scripts/sparse/spfun.m,
scripts/sparse/spones.m, scripts/sparse/sprandsym.m, scripts/sparse/spstats.m,
scripts/sparse/spy.m, scripts/sparse/svds.m, scripts/sparse/treelayout.m,
scripts/sparse/treeplot.m, scripts/strings/base2dec.m,
scripts/strings/bin2dec.m, scripts/strings/blanks.m, scripts/strings/cstrcat.m,
scripts/strings/deblank.m, scripts/strings/dec2base.m,
scripts/strings/dec2bin.m, scripts/strings/dec2hex.m,
scripts/strings/findstr.m, scripts/strings/hex2dec.m, scripts/strings/index.m,
scripts/strings/isletter.m, scripts/strings/isstrprop.m,
scripts/strings/mat2str.m, scripts/strings/ostrsplit.m,
scripts/strings/regexptranslate.m, scripts/strings/rindex.m,
scripts/strings/str2num.m, scripts/strings/strcat.m, scripts/strings/strchr.m,
scripts/strings/strjoin.m, scripts/strings/strjust.m,
scripts/strings/strmatch.m, scripts/strings/strsplit.m,
scripts/strings/strtok.m, scripts/strings/strtrim.m,
scripts/strings/strtrunc.m, scripts/strings/substr.m,
scripts/strings/untabify.m, scripts/time/datenum.m:
Update more docstrings to have one sentence summary as first line.
author | Rik <rik@octave.org> |
---|---|
date | Mon, 04 May 2015 14:22:02 -0700 |
parents | 9fc020886ae9 |
children |
rev | line source |
---|---|
19697
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
17744
diff
changeset
|
1 ## Copyright (C) 2000-2015 Paul Kienzle |
10020 | 2 ## Copyright (C) 2009 Jaroslav Hajek |
3789 | 3 ## |
4 ## This file is part of Octave. | |
5 ## | |
6 ## Octave is free software; you can redistribute it and/or modify it | |
7 ## under the terms of the GNU General Public License as published by | |
7016 | 8 ## the Free Software Foundation; either version 3 of the License, or (at |
9 ## your option) any later version. | |
3789 | 10 ## |
11 ## Octave is distributed in the hope that it will be useful, but | |
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 ## General Public License for more details. | |
15 ## | |
16 ## You should have received a copy of the GNU General Public License | |
7016 | 17 ## along with Octave; see the file COPYING. If not, see |
18 ## <http://www.gnu.org/licenses/>. | |
3789 | 19 |
20 ## -*- texinfo -*- | |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
21 ## @deftypefn {Function File} {} strjust (@var{s}) |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
22 ## @deftypefnx {Function File} {} strjust (@var{s}, @var{pos}) |
11150 | 23 ## Return the text, @var{s}, justified according to @var{pos}, which may |
20164
df437a52bcaf
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19833
diff
changeset
|
24 ## be @qcode{"left"}, @qcode{"center"}, or @qcode{"right"}. |
11096
04c3aacbbc46
strjust.m: Clarify that justification applies to spaces and null characters.
Ben Abbott <bpabbott@mac.com>
parents:
10635
diff
changeset
|
25 ## |
20164
df437a52bcaf
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19833
diff
changeset
|
26 ## If @var{pos} is omitted it defaults to @qcode{"right"}. |
df437a52bcaf
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19833
diff
changeset
|
27 ## |
df437a52bcaf
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19833
diff
changeset
|
28 ## Null characters are replaced by spaces. All other character data are |
df437a52bcaf
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19833
diff
changeset
|
29 ## treated as non-white space. |
11096
04c3aacbbc46
strjust.m: Clarify that justification applies to spaces and null characters.
Ben Abbott <bpabbott@mac.com>
parents:
10635
diff
changeset
|
30 ## |
04c3aacbbc46
strjust.m: Clarify that justification applies to spaces and null characters.
Ben Abbott <bpabbott@mac.com>
parents:
10635
diff
changeset
|
31 ## Example: |
11563
3c6e8aaa9555
Grammarcheck m-files before 3.4 release.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
32 ## |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
33 ## @example |
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
34 ## @group |
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
35 ## strjust (["a"; "ab"; "abc"; "abcd"]) |
14327
4d917a6a858b
doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
36 ## @result{} |
4d917a6a858b
doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
37 ## " a" |
4d917a6a858b
doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
38 ## " ab" |
4d917a6a858b
doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
39 ## " abc" |
4d917a6a858b
doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
40 ## "abcd" |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
41 ## @end group |
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
42 ## @end example |
11114
f7079e3b0227
strjust.m: Add "untabify" and "strrep" to @seealso{} in the doc-string.
Ben Abbott <bpabbott@mac.com>
parents:
11096
diff
changeset
|
43 ## @seealso{deblank, strrep, strtrim, untabify} |
3789 | 44 ## @end deftypefn |
45 | |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
46 function y = strjust (s, pos = "right") |
3789 | 47 |
48 if (nargin < 1 || nargin > 2) | |
6046 | 49 print_usage (); |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
50 elseif (! ischar (s) || ndims (s) > 2) |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
51 error ("strjust: S must be a string or 2-D character matrix"); |
10018 | 52 endif |
3789 | 53 |
11469
c776f063fefe
Overhaul m-script files to use common variable name between code and documentation.
Rik <octave@nomad.inbox5.com>
parents:
11150
diff
changeset
|
54 if (isempty (s)) |
c776f063fefe
Overhaul m-script files to use common variable name between code and documentation.
Rik <octave@nomad.inbox5.com>
parents:
11150
diff
changeset
|
55 y = s; |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
56 return; |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
57 endif |
10020 | 58 |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
59 ## Apparently, Matlab considers nulls to be blanks as well; however, does |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
60 ## not preserve the nulls, but rather converts them to blanks. That's a |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
61 ## bit unexpected, but it allows simpler processing, because we can move |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
62 ## just the nonblank characters. So we'll do the same here. |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
63 |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
64 [nr, nc] = size (s); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
65 ## Find the indices of all nonblanks. |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
66 nonbl = s != " " & s != "\0"; |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
67 [idx, jdx] = find (nonbl); |
3789 | 68 |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
69 if (strcmpi (pos, "right")) |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
70 ## We wish to find the maximum column index for each row. Because jdx is |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
71 ## sorted, we can take advantage of the fact that assignment is processed |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
72 ## sequentially and for duplicate indices the last value will remain. |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
73 maxs = repmat (nc, [nr, 1]); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
74 maxs(idx) = jdx; |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
75 shift = nc - maxs; |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
76 elseif (strcmpi (pos, "left")) |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
77 ## See above for explanation. |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
78 mins = ones (nr, 1); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
79 mins(flipud (idx(:))) = flipud (jdx(:)); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
80 shift = 1 - mins; |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
81 else |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
82 ## Use both of the above to achieve centering. |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
83 mins = ones (nr, 1); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
84 mins(flipud (idx(:))) = flipud (jdx(:)); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
85 maxs = repmat (nc, [nr, 1]); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
86 maxs(idx) = jdx; |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
87 shift = floor ((nc + 1 - maxs - mins) / 2); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
88 endif |
10018 | 89 |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
90 ## Adjust the column indices. |
14868
5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents:
14363
diff
changeset
|
91 jdx += shift (idx); |
10018 | 92 |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
93 ## Create a blank matrix and position the nonblank characters. |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
94 y = repmat (" ", nr, nc); |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
95 y(sub2ind ([nr, nc], idx, jdx)) = s(nonbl); |
3789 | 96 |
97 endfunction | |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
98 |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
99 |
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7017
diff
changeset
|
100 %!assert (strjust (["a"; "ab"; "abc"; "abcd"]), |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14327
diff
changeset
|
101 %! [" a";" ab"; " abc"; "abcd"]) |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
102 %!assert (strjust ([" a"; " ab"; "abc"; "abcd"], "left"), |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14327
diff
changeset
|
103 %! ["a "; "ab "; "abc "; "abcd"]) |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
104 %!assert (strjust (["a"; "ab"; "abc"; "abcd"], "CENTER"), |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14327
diff
changeset
|
105 %! [" a "; " ab"; "abc "; "abcd"]) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14327
diff
changeset
|
106 %!assert (strjust (["";""]), "") |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
107 |
19833
9fc020886ae9
maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
108 ## Test input validation |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
109 %!error <Invalid call to strjust> strjust () |
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
110 %!error <Invalid call to strjust> strjust (["a";"ab"], "center", 1) |
14363
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14327
diff
changeset
|
111 %!error <S must be a string> strjust (ones (3,3)) |
f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
14327
diff
changeset
|
112 %!error <S must be a string> strjust (char (ones (3,3,3))) |
13318
f3b665972bb5
strjust.m: Tweak code for performance. Add more input validation and tests.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
|
113 |