Mercurial > octave
annotate libinterp/octave-value/ov-class.h @ 23220:092078913d54
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 22 Feb 2017 12:58:07 -0500 |
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3 Copyright (C) 2007-2017 John W. Eaton |
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4 Copyright (C) 2009 VZLU Prague |
7338 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
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9 under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation; either version 3 of the License, or |
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11 (at your option) any later version. |
7338 | 12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
7338 | 17 |
18 You should have received a copy of the GNU General Public License | |
7444 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
7338 | 21 |
22 */ | |
23 | |
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24 #if ! defined (octave_ov_class_h) |
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25 #define octave_ov_class_h 1 |
7338 | 26 |
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27 #include "octave-config.h" |
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28 |
7338 | 29 #include <cstdlib> |
30 | |
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31 #include <iosfwd> |
7338 | 32 #include <string> |
33 | |
34 #include "mx-base.h" | |
35 #include "str-vec.h" | |
36 | |
37 #include "error.h" | |
38 #include "oct-map.h" | |
39 #include "ov-base.h" | |
40 #include "ov-typeinfo.h" | |
41 | |
42 class octave_value_list; | |
43 | |
44 // Data structures. | |
45 | |
46 class | |
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47 octave_class : public octave_base_value |
7338 | 48 { |
49 public: | |
50 | |
51 octave_class (void) | |
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52 : octave_base_value (), map (), c_name (), |
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53 parent_list (), obsolete_copies (0) |
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54 { } |
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56 octave_class (const octave_map& m, const std::string& id, |
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57 const std::list<std::string>& plist) |
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58 : octave_base_value (), map (m), c_name (id), |
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59 parent_list (plist), obsolete_copies (0) |
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60 { } |
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62 octave_class (const octave_map& m, const std::string& id, |
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63 const octave_value_list& parents); |
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64 |
7338 | 65 octave_class (const octave_class& s) |
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66 : octave_base_value (s), map (s.map), c_name (s.c_name), |
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67 parent_list (s.parent_list), obsolete_copies (0) { } |
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68 |
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69 ~octave_class (void) = default; |
7338 | 70 |
71 octave_base_value *clone (void) const { return new octave_class (*this); } | |
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72 |
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73 octave_base_value *unique_clone (void); |
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74 |
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75 octave_base_value *empty_clone (void) const |
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76 { |
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77 return new octave_class (octave_map (map.keys ()), c_name, parent_list); |
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78 } |
7338 | 79 |
80 Cell dotref (const octave_value_list& idx); | |
81 | |
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82 Matrix size (void); |
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83 |
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84 octave_idx_type numel (const octave_value_list&); |
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85 |
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86 octave_value subsref (const std::string& type, |
10313 | 87 const std::list<octave_value_list>& idx) |
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88 { |
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89 octave_value_list tmp = subsref (type, idx, 1); |
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90 return tmp.length () > 0 ? tmp(0) : octave_value (); |
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91 } |
7338 | 92 |
93 octave_value_list subsref (const std::string& type, | |
10313 | 94 const std::list<octave_value_list>& idx, |
95 int nargout); | |
7338 | 96 |
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97 octave_value_list |
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98 do_multi_index_op (int nargout, const octave_value_list& idx) |
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99 { |
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100 return subsref ("(", std::list<octave_value_list> (1, idx), nargout); |
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101 } |
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102 |
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103 static octave_value numeric_conv (const Cell& val, |
10313 | 104 const std::string& type); |
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105 |
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106 void assign(const std::string& k, const octave_value& rhs) |
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107 { map.assign (k, rhs); }; |
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108 |
7338 | 109 octave_value subsasgn (const std::string& type, |
10313 | 110 const std::list<octave_value_list>& idx, |
111 const octave_value& rhs); | |
7338 | 112 |
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113 octave_value undef_subsasgn (const std::string& type, |
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114 const std::list<octave_value_list>& idx, |
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115 const octave_value& rhs); |
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116 |
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117 idx_vector index_vector (bool require_integers = false) const; |
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118 |
7338 | 119 dim_vector dims (void) const { return map.dims (); } |
120 | |
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121 size_t byte_size (void) const; |
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122 |
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123 // This is the number of elements in each field. The total number |
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124 // of elements is numel () * nfields (). |
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125 octave_idx_type numel (void) const |
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126 { |
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127 dim_vector dv = dims (); |
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128 return dv.numel (); |
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129 } |
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130 |
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131 octave_idx_type nfields (void) const { return map.nfields (); } |
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132 |
9151 | 133 size_t nparents (void) const { return parent_list.size (); } |
134 | |
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135 octave_value reshape (const dim_vector& new_dims) const |
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136 { |
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137 octave_class retval = octave_class (*this); |
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138 retval.map = retval.map_value ().reshape (new_dims); |
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139 return octave_value (new octave_class (retval)); |
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140 } |
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141 |
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142 octave_value resize (const dim_vector& dv, bool = false) const |
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143 { |
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144 octave_class retval = octave_class (*this); |
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145 retval.map.resize (dv); |
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146 return octave_value (new octave_class (retval)); |
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147 } |
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148 |
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149 bool is_defined (void) const { return true; } |
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150 |
7338 | 151 bool is_map (void) const { return false; } |
152 | |
153 bool is_object (void) const { return true; } | |
154 | |
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155 bool is_true (void) const; |
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156 |
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157 octave_map map_value (void) const { return map; } |
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158 |
7338 | 159 string_vector map_keys (void) const; |
160 | |
9151 | 161 std::list<std::string> parent_class_name_list (void) const |
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162 { return parent_list; } |
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164 string_vector parent_class_names (void) const |
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165 { return string_vector (parent_list); } |
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166 |
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167 octave_base_value *find_parent_class (const std::string&); |
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168 |
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169 octave_base_value *unique_parent_class (const std::string&); |
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170 |
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171 bool is_instance_of (const std::string&) const; |
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172 |
20990
fc9cca99b2de
Deprecate all_strings, replace with string_vector_value.
Rik <rik@octave.org>
parents:
20791
diff
changeset
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173 string_vector string_vector_value (bool pad) const; |
13694
441af0aa125a
char: when converting cell elements containing class objects, call overloaded char function if one exists
John W. Eaton <jwe@octave.org>
parents:
13294
diff
changeset
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174 |
18416
bcd71a2531d3
Support disp/display overloading in classdef
Michael Goffioul <michael.goffioul@gmail.com>
parents:
18130
diff
changeset
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175 void print (std::ostream& os, bool pr_as_read_syntax = false); |
7338 | 176 |
177 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; | |
178 | |
179 bool print_name_tag (std::ostream& os, const std::string& name) const; | |
180 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11584
diff
changeset
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181 void print_with_name (std::ostream& os, const std::string& name, |
10313 | 182 bool print_padding = true); |
7338 | 183 |
9190 | 184 bool reconstruct_exemplar (void); |
185 | |
9240
f27a8c07f0b2
clear -classes and support.
Robert T. Short <octave@phaselockedsystems.com>
parents:
9190
diff
changeset
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186 static void clear_exemplar_map (void); |
f27a8c07f0b2
clear -classes and support.
Robert T. Short <octave@phaselockedsystems.com>
parents:
9190
diff
changeset
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187 |
9182
23af5910e5f5
make load work for derived classses
Robert T. Short <octave@phaselockedsystems.com>
parents:
9151
diff
changeset
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188 bool reconstruct_parents (void); |
23af5910e5f5
make load work for derived classses
Robert T. Short <octave@phaselockedsystems.com>
parents:
9151
diff
changeset
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189 |
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
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190 bool save_ascii (std::ostream& os); |
7338 | 191 |
192 bool load_ascii (std::istream& is); | |
193 | |
194 bool save_binary (std::ostream& os, bool& save_as_floats); | |
195 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11584
diff
changeset
|
196 bool load_binary (std::istream& is, bool swap, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21725
diff
changeset
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197 octave::mach_info::float_format fmt); |
7338 | 198 |
19863
09ed6f7538dd
avoid needing to include hdf5 in public header files (bug #44370, #43180)
John W. Eaton <jwe@octave.org> and Mike Miller <mtmiller@ieee.org>
parents:
19697
diff
changeset
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199 bool save_hdf5 (octave_hdf5_id loc_id, const char *name, bool save_as_floats); |
7338 | 200 |
19863
09ed6f7538dd
avoid needing to include hdf5 in public header files (bug #44370, #43180)
John W. Eaton <jwe@octave.org> and Mike Miller <mtmiller@ieee.org>
parents:
19697
diff
changeset
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201 bool load_hdf5 (octave_hdf5_id loc_id, const char *name); |
7338 | 202 |
203 mxArray *as_mxArray (void) const; | |
204 | |
9529
8e5009334661
partially revert e79470be3ecb
Jaroslav Hajek <highegg@gmail.com>
parents:
9522
diff
changeset
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205 private: |
10768
8a868004a437
use octave_map for octave_class
Jaroslav Hajek <highegg@gmail.com>
parents:
10742
diff
changeset
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206 octave_map map; |
7338 | 207 |
208 public: | |
209 int type_id (void) const { return t_id; } | |
210 std::string type_name (void) const { return t_name; } | |
211 std::string class_name (void) const { return c_name; } | |
212 | |
213 static int static_type_id (void) { return t_id; } | |
214 static std::string static_type_name (void) { return t_name; } | |
215 static std::string static_class_name (void) { return "<unknown>"; } | |
216 static void register_type (void); | |
217 | |
218 private: | |
219 static int t_id; | |
220 | |
221 static const std::string t_name; | |
222 std::string c_name; | |
9010
f914834836e7
Partial implementation of derived classes using the old form with "@" files.
rtshort@smoketree.phaselocked.com
parents:
8950
diff
changeset
|
223 std::list<std::string> parent_list; |
7338 | 224 |
9581
3d0d2bda3a0f
fix previous change, avoid duplicate loads of methods in descendant classes
Jaroslav Hajek <highegg@gmail.com>
parents:
9529
diff
changeset
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225 bool in_class_method (void); |
10926
f687bd17ce21
fix field assignment from private class methods
Jaroslav Hajek <highegg@gmail.com>
parents:
10768
diff
changeset
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226 std::string get_current_method_class (void); |
9151 | 227 |
12171
d08901c05c1b
fix bug in class assignment to undefined object with index
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
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228 octave_value subsasgn_common (const octave_value& obj, |
d08901c05c1b
fix bug in class assignment to undefined object with index
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
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229 const std::string& type, |
d08901c05c1b
fix bug in class assignment to undefined object with index
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
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230 const std::list<octave_value_list>& idx, |
d08901c05c1b
fix bug in class assignment to undefined object with index
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
231 const octave_value& rhs); |
d08901c05c1b
fix bug in class assignment to undefined object with index
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
232 |
9522
e79470be3ecb
implement subsasgn this-arg optimization
Jaroslav Hajek <highegg@gmail.com>
parents:
9521
diff
changeset
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233 int obsolete_copies; |
e79470be3ecb
implement subsasgn this-arg optimization
Jaroslav Hajek <highegg@gmail.com>
parents:
9521
diff
changeset
|
234 |
9151 | 235 public: |
236 // The list of field names and parent classes defines a class. We | |
237 // keep track of each class that has been created so that we know | |
238 class exemplar_info | |
239 { | |
240 public: | |
241 | |
242 exemplar_info (void) : field_names (), parent_class_names () { } | |
243 | |
244 exemplar_info (const octave_value& obj); | |
245 | |
246 exemplar_info (const exemplar_info& x) | |
247 : field_names (x.field_names), | |
10313 | 248 parent_class_names (x.parent_class_names) { } |
9151 | 249 |
250 exemplar_info& operator = (const exemplar_info& x) | |
251 { | |
252 if (&x != this) | |
10313 | 253 { |
254 field_names = x.field_names; | |
255 parent_class_names = x.parent_class_names; | |
256 } | |
9151 | 257 return *this; |
258 } | |
259 | |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
19863
diff
changeset
|
260 octave_idx_type nfields (void) const { return field_names.numel (); } |
9151 | 261 |
262 size_t nparents (void) const { return parent_class_names.size (); } | |
263 | |
264 string_vector fields (void) const { return field_names; } | |
265 | |
266 std::list<std::string> parents (void) const { return parent_class_names; } | |
267 | |
268 bool compare (const octave_value& obj) const; | |
269 | |
270 private: | |
271 | |
272 string_vector field_names; | |
273 std::list<std::string> parent_class_names; | |
274 }; | |
275 | |
276 // A map from class names to lists of fields. | |
277 static std::map<std::string, exemplar_info> exemplar_map; | |
278 | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
279 typedef std::map<std::string, exemplar_info>::iterator |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
280 exemplar_iterator; |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
281 typedef std::map<std::string, exemplar_info>::const_iterator |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
282 exemplar_const_iterator; |
7338 | 283 }; |
284 | |
285 #endif |