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annotate examples/stringdemo.cc @ 15104:093961d9ebed gui

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Fixed self-assignment bug found by Torsten. * find-dialog.cc: Fixed self-assignment in constructor.
author Jacob Dawid <jacob.dawid@gmail.com>
date Sat, 04 Aug 2012 10:53:58 +0200
parents 1b48b209a8d6
children be41c30bcb44
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <octave/oct.h>
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2
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3 DEFUN_DLD (stringdemo, args, , "String Demo")
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4 {
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5 int nargin = args.length ();
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6 octave_value_list retval;
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7
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8 if (nargin != 1)
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9 print_usage ();
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10 else
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11 {
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12 charMatrix ch = args(0).char_matrix_value ();
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13
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14 if (! error_state)
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15 {
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16 if (args(0).is_sq_string ())
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17 retval(1) = octave_value (ch, true);
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18 else
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19 retval(1) = octave_value (ch, true, '\'');
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20
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21 octave_idx_type nr = ch.rows ();
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22 for (octave_idx_type i = 0; i < nr / 2; i++)
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23 {
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24 std::string tmp = ch.row_as_string (i);
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25 ch.insert (ch.row_as_string (nr-i-1).c_str (),
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26 i, 0);
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27 ch.insert (tmp.c_str (), nr-i-1, 0);
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28 }
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29 retval(0) = octave_value (ch, true);
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30 }
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31 }
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32 return retval;
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33 }