Mercurial > hg > octave-nkf

annotate scripts/strings/regexptranslate.m @ 7786:37ff0c21c17d

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load-path.cc (load_path::initialize): include separator when appending sys_path
author Kim Hansen
date Tue, 20 May 2008 16:49:02 -0400
parents cc31c5002c96
children 91d020444da7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7629
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David Bateman <dbateman@free.fr>
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1 ## Copyright (C) 2008 David Bateman
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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, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## 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} {} realsqrt (@var{x})
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21 ## Return the real natural logarithm of @var{x}. If any element results in the
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22 ## return value being complex @code{reallog} produces an error.
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23 ## @seealso{log, realsqrt, realpow}
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24 ## @end deftypefn
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25
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26 function y = regexptranslate (op, x)
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27
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28 if (ischar (op))
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29 op = tolower (op);
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30 if (strcmp ("wildcard", op))
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31 y = regexprep (regexprep (regexprep (x, "\\.", "\\."), "\\*",
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32 ".*"), "\\?", ".");
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33 elseif (strcmp ("escape", op))
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34 ch = {'\$', '\.', '\?', '\[', '\]'};
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35 y = x;
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36 for i = 1 : length (ch)
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37 y = regexprep (y, ch{i}, ch{i});
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38 endfor
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39 else
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40 error ("regexptranslate: unexpected operation");
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41 endif
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42 else
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43 error ("regexptranslate: expecting operation to be a string");
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44 endif
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45 endfunction
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46
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47 %!assert (regexptranslate ("wildcard", "/a*b?c."), "/a.*b.c\\.")
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48 %!assert (regexptranslate ("escape", '$.?[]'), '\$\.\?\[\]')