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1 /* |
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2 |
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3 Copyright (C) 2007 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #include <octave/oct.h> |
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24 |
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25 DEFUN_DLD (stringdemo, args, , "String Demo") |
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26 { |
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27 int nargin = args.length(); |
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28 octave_value_list retval; |
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29 |
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30 if (nargin != 1) |
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31 print_usage (); |
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32 else |
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33 { |
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34 charMatrix ch = args(0).char_matrix_value (); |
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35 |
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36 if (! error_state) |
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37 { |
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38 if (args(0).is_sq_string ()) |
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39 retval(1) = octave_value (ch, true); |
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40 else |
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41 retval(1) = octave_value (ch, true, '\''); |
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42 |
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43 octave_idx_type nr = ch.rows(); |
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44 for (octave_idx_type i = 0; i < nr / 2; i++) |
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45 { |
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46 std::string tmp = ch.row_as_string (i); |
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47 ch.insert (ch.row_as_string(nr-i-1).c_str(), i, 0); |
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48 ch.insert (tmp.c_str(), nr-i-1, 0); |
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49 } |
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50 retval(0) = octave_value (ch, true); |
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51 } |
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52 } |
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53 return retval; |
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54 } |
