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Matlab compatibility for strsplit() * scripts/strings/strsplit.m: Matlab compatible version. * NEWS: Mention break in backward compatibility. * scripts/deprecated/javafields.m: Modify call to strsplit(). * scripts/deprecated/javamethods.m: ditto * scripts/general/fieldnames.m: ditto * scripts/general/int2str.m: ditto * scripts/general/methods.m: ditto * scripts/general/num2str.m: ditto * scripts/help/gen_doc_cache.m: ditto * scripts/help/help.m: ditto * scripts/help/lookfor.m: ditto * scripts/io/strread.m: ditto * scripts/java/javaclasspath.m: ditto * scripts/miscellaneous/compare_versions.m: ditto * scripts/miscellaneous/computer.m: ditto * scripts/miscellaneous/fact.m: ditto * scripts/miscellaneous/tar.m: ditto * scripts/miscellaneous/unpack.m: ditto * scripts/miscellaneous/what.m: ditto * scripts/miscellaneous/zip.m: ditto * scripts/pkg/private/configure_make.m: ditto * scripts/pkg/private/fix_depends.m: ditto * scripts/pkg/private/generate_lookfor_cache.m: ditto * scripts/pkg/private/list_forge_packages.m: ditto * scripts/pkg/private/unload_packages.m: ditto * scripts/pkg/private/write_index.m: ditto * scripts/plot/private/__file_filter__.m: ditto * scripts/plot/private/__fltk_file_filter__.m: ditto * scripts/plot/private/__go_draw_axes__.m: ditto * scripts/plot/private/__next_line_style__.m: ditto * scripts/strings/untabify.m: ditto * scripts/testfun/rundemos.m: ditto * scripts/testfun/runtests.m: ditto
author Ben Abbott <bpabbott@mac.com>
date Sun, 31 Mar 2013 19:19:04 -0400
parents f3d52523cde1
children
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2006-2012 John W. Eaton
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2 ## Copyright (C) 2010 VZLU Prague
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} substruct (@var{type}, @var{subs}, @dots{})
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22 ## Create a subscript structure for use with @code{subsref} or
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23 ## @code{subsasgn}. For example:
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24 ##
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25 ## @example
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26 ## @group
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27 ## idx = substruct ("()", @{3, ":"@})
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28 ## @result{}
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29 ## idx =
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30 ## @{
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31 ## type = ()
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32 ## subs =
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33 ## @{
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34 ## [1,1] = 3
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35 ## [1,2] = :
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36 ## @}
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37 ## @}
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38 ## x = [1, 2, 3; 4, 5, 6; 7, 8, 9];
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39 ## subsref (x, idx)
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40 ## @result{} 7 8 9
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41 ## @end group
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42 ## @end example
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43 ## @seealso{subsref, subsasgn}
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44 ## @end deftypefn
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45
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46 ## Author: jwe
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47
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48 function retval = substruct (varargin)
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49
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50 nargs = nargin;
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51
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52 if (nargs > 1 && mod (nargs, 2) == 0)
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53 typ = varargin(1:2:nargs);
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54 sub = varargin(2:2:nargs);
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55 braces = strcmp (typ, "()") | strcmp (typ, "{}");
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56 dots = strcmp (typ, ".");
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57 if (all (braces | dots))
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58 cells = cellfun ("isclass", sub, "cell");
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59 chars = cellfun ("isclass", sub, "char");
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60 if (any (braces &! cells))
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61 error ("substruct: for TYPE == () or {}, SUBS must be a cell array");
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62 elseif (any (dots &! chars))
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63 error ("substruct: for TYPE == ., SUBS must be a character string");
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64 endif
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65 else
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66 error ("substruct: expecting TYPE to be one of \"()\", \"{}\", or \".\"");
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67 endif
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68
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69 retval = struct ("type", typ, "subs", sub);
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70 else
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71 print_usage ();
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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 %! x(1,1).type = "()";
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79 %! x(1,2).type = "{}";
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80 %! x(1,3).type = ".";
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81 %! x(1,1).subs = {1,2,3};
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82 %! x(1,2).subs = {":"};
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83 %! x(1,3).subs = "foo";
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84 %! y = substruct ("()", {1,2,3}, "{}", {":"}, ".", "foo");
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85 %! assert (x,y);
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86
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87 %!error substruct ()
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88 %!error substruct (1, 2, 3)
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89 %!error substruct ("x", 1)
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90 %!error substruct ("()", [1,2,3])
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91 %!error substruct (".", {1,2,3})
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92