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annotate examples/code/structdemo.cc @ 20654:b65888ec820e draft default tip gccjit

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dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents 2f8500ca91d3
children
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1 #include <octave/oct.h>
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2 #include <octave/ov-struct.h>
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3
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be41c30bcb44 Re-write documentation and all examples of dynamically linked functions.
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4 DEFUN_DLD (structdemo, args, , "Struct Demo")
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5 {
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6 if (args.length () != 2)
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7 print_usage ();
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8
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9 if (! args(0).is_map ())
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10 error ("structdemo: ARG1 must be a struct");
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11
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12 octave_scalar_map arg0 = args(0).scalar_map_value ();
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13 //octave_map arg0 = args(0).map_value ();
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14
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15 if (! args(1).is_string ())
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16 error ("structdemo: ARG2 must be a character string");
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17
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18 std::string arg1 = args(1).string_value ();
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19
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20 octave_value tmp = arg0.contents (arg1);
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21 //octave_value tmp = arg0.contents (arg1)(0);
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22
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23 if (! tmp.is_defined ())
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24 error ("structdemo: struct does not have a field named '%s'\n",
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25 arg1.c_str ());
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26
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27 octave_scalar_map st;
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29 st.assign ("selected", tmp);
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31 return octave_value (st);
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32 }