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annotate libinterp/octave-value/ov-oncleanup.h @ 20787:40ed9b46a800

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new octave_value::string_value method with optional error message * ov.h (octave_value::string_vector): New method. ov-base.cc, ov-base.h (octave_base_value::string_vector): New default method. ov-str-mat.cc, ov-str-mat.h (octave_char_matrix_str::string_value): New method.
author John W. Eaton <jwe@octave.org>
date Thu, 08 Oct 2015 16:43:22 -0400
parents 01895a6acdde
children
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 2010-2015 VZLU Prague
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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 <iosfwd>
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24
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25 #include "ov-base.h"
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26 #include "ov-struct.h"
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27 #include "ov.h"
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28
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29 static void
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30 gripe_internal (void)
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31 {
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32 error ("onCleanup: internal error: cloning nonempty object");
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33 }
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34
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35 class octave_oncleanup : public octave_base_value
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36 {
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37 public:
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38 octave_oncleanup (void) : fcn () { }
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39
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40 octave_oncleanup (const octave_value& fcn);
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41
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42 octave_base_value *clone (void) const
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43 {
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44 if (fcn.is_defined ())
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45 gripe_internal ();
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46
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47 return empty_clone ();
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48 }
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49
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50 octave_base_value *empty_clone (void) const
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51 {
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52 return new octave_oncleanup ();
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53 }
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54
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55 ~octave_oncleanup (void);
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56
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57 bool is_defined (void) const { return true; }
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58
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59 bool is_object (void) const { return true; } // do we want this?
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60
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61 octave_map map_value (void) const { return scalar_map_value (); }
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62
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63 octave_scalar_map scalar_map_value (void) const;
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64
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65 dim_vector dims (void) const
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66 {
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67 static dim_vector dv (1, 1);
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68 return dv;
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69 }
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70
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71 bool save_ascii (std::ostream& os);
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72
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73 bool load_ascii (std::istream& is);
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74
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75 bool save_binary (std::ostream& os, bool& save_as_floats);
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76
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77 bool load_binary (std::istream& is, bool swap,
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78 oct_mach_info::float_format fmt);
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79
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80 bool save_hdf5 (octave_hdf5_id loc_id, const char *name, bool save_as_floats);
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81
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82 bool load_hdf5 (octave_hdf5_id loc_id, const char *name);
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83
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84 void print (std::ostream& os, bool pr_as_read_syntax = false);
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85
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86 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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87
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88 private:
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89
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90 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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91
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92 protected:
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93
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94 octave_value fcn;
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95 };