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annotate libinterp/corefcn/oct-lvalue.cc @ 19256:ce9bd5ed44d2 gui-release

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usage of default suffix depending on filter in save as dialog (bug #43335) * file-editor-tab.cc (save_file_as): use QStringList for adding filters, initialize filter and default suffix depending on suffix of current file name if available, connect the selection of a filter to a new slot; (handle_save_as_filter_selected): new slot setting the default suffix depending on the first suffix in selected filter; * file-editor-tab.h: new slot handle_save_as_filter_selected
author Torsten <ttl@justmail.de>
date Thu, 16 Oct 2014 20:29:37 +0200
parents d63878346099
children 4197fc428c7d
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1 /*
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2
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3 Copyright (C) 1996-2013 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 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include "error.h"
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28 #include "oct-obj.h"
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29 #include "oct-lvalue.h"
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30 #include "ov.h"
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31
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32 void
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33 octave_lvalue::assign (octave_value::assign_op op, const octave_value& rhs)
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34 {
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35 if (! is_black_hole ())
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36 {
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37 if (idx.empty ())
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38 sym->assign (op, rhs);
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39 else
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40 sym->assign (op, type, idx, rhs);
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41 }
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42 }
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43
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44 void
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45 octave_lvalue::set_index (const std::string& t,
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46 const std::list<octave_value_list>& i)
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47 {
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48 if (idx.empty ())
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49 {
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50 type = t;
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51 idx = i;
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52 }
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53 else
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54 error ("invalid index expression in assignment");
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55 }
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56
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57 void
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58 octave_lvalue::do_unary_op (octave_value::unary_op op)
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59 {
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60 if (! is_black_hole ())
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61 {
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62 if (idx.empty ())
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63 sym->do_non_const_unary_op (op);
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64 else
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65 sym->do_non_const_unary_op (op, type, idx);
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66 }
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67 }
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68
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69 octave_value
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70 octave_lvalue::value (void) const
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71 {
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72 octave_value retval;
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73
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74 if (! is_black_hole ())
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75 {
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76 octave_value val = sym->varval ();
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77
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78 if (idx.empty ())
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79 retval = val;
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80 else
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81 {
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82 if (val.is_constant ())
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83 retval = val.subsref (type, idx);
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84 else
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85 {
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86 octave_value_list t = val.subsref (type, idx, 1);
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87 if (t.length () > 0)
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88 retval = t(0);
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89 }
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90 }
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91 }
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92
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93 return retval;
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94 }