view examples/stringdemo.cc @ 15824:abc9e5f3c661

Return correct value for ischar() predicate test on octave_java objects. * libinterp/octave-value/ov-java.h(is_string): Rename is_string() to is_java_string. Leave only prototype in .h file. * libinterp/octave-value/ov-java.cc(is_java_string): Move code for is_string from ov-java.h to is_java_string in ov-java.cc.
author Rik <rik@octave.org>
date Fri, 21 Dec 2012 10:18:38 -0800
parents 1b48b209a8d6
children be41c30bcb44
line wrap: on
line source

#include <octave/oct.h>

DEFUN_DLD (stringdemo, args, , "String Demo")
{
  int nargin = args.length ();
  octave_value_list retval;

  if (nargin != 1)
    print_usage ();
  else
    {
      charMatrix ch = args(0).char_matrix_value ();

      if (! error_state)
        {
          if (args(0).is_sq_string ())
            retval(1) = octave_value (ch, true);
          else
            retval(1) = octave_value (ch, true, '\'');

          octave_idx_type nr = ch.rows ();
          for (octave_idx_type i = 0; i < nr / 2; i++)
            {
              std::string tmp = ch.row_as_string (i);
              ch.insert (ch.row_as_string (nr-i-1).c_str (),
                         i, 0);
              ch.insert (tmp.c_str (), nr-i-1, 0);
            }
          retval(0) = octave_value (ch, true);
        }
    }
  return retval;
}