Mercurial > octave
annotate src/ov-class.h @ 13694:441af0aa125a
char: when converting cell elements containing class objects, call overloaded char function if one exists
* ov-class.cc, ov-class.h (octave_class::all_strings): New function.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 12 Oct 2011 21:28:30 -0400 |
| parents | 7dce7e110511 |
| children | c1b754d93572 |
| rev | line source |
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| 7338 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 2007-2011 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 | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7444 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 7338 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 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 | |
| 24 #if !defined (octave_class_h) | |
| 25 #define octave_class_h 1 | |
| 26 | |
| 27 #include <cstdlib> | |
| 28 | |
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29 #include <iosfwd> |
| 7338 | 30 #include <string> |
| 31 | |
| 32 #include "mx-base.h" | |
| 33 #include "str-vec.h" | |
| 34 | |
| 35 #include "error.h" | |
| 36 #include "oct-alloc.h" | |
| 37 #include "oct-map.h" | |
| 38 #include "ov-base.h" | |
| 39 #include "ov-typeinfo.h" | |
| 40 | |
| 41 class octave_value_list; | |
| 42 | |
| 43 class tree_walker; | |
| 44 | |
| 45 // Data structures. | |
| 46 | |
| 47 class | |
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48 octave_class : public octave_base_value |
| 7338 | 49 { |
| 50 public: | |
| 51 | |
| 52 octave_class (void) | |
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53 : octave_base_value (), map (), c_name (), |
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54 parent_list (), obsolete_copies (0) |
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55 { } |
| 7338 | 56 |
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57 octave_class (const octave_map& m, const std::string& id, |
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58 const std::list<std::string>& plist |
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59 = std::list<std::string> ()) |
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60 : octave_base_value (), map (m), c_name (id), |
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61 parent_list (plist), obsolete_copies (0) |
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62 { } |
| 7338 | 63 |
| 64 octave_class (const octave_class& s) | |
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65 : octave_base_value (s), map (s.map), c_name (s.c_name), |
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66 parent_list (s.parent_list), obsolete_copies (0) { } |
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67 |
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68 octave_class (const octave_map& m, const std::string& id, |
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69 const octave_value_list& parents); |
| 7338 | 70 |
| 71 ~octave_class (void) { } | |
| 72 | |
| 73 octave_base_value *clone (void) const { return new octave_class (*this); } | |
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74 |
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75 octave_base_value *unique_clone (void); |
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76 |
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77 octave_base_value *empty_clone (void) const |
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78 { |
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79 return new octave_class (octave_map (map.keys ()), class_name ()); |
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80 } |
| 7338 | 81 |
| 82 Cell dotref (const octave_value_list& idx); | |
| 83 | |
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84 Matrix size (void); |
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85 |
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86 octave_idx_type numel (const octave_value_list&); |
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87 |
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88 octave_value subsref (const std::string& type, |
| 10313 | 89 const std::list<octave_value_list>& idx) |
| 7338 | 90 { |
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91 octave_value_list tmp = subsref (type, idx, 1); |
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92 return tmp.length () > 0 ? tmp(0) : octave_value (); |
| 7338 | 93 } |
| 94 | |
| 95 octave_value_list subsref (const std::string& type, | |
| 10313 | 96 const std::list<octave_value_list>& idx, |
| 97 int nargout); | |
| 7338 | 98 |
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99 octave_value_list |
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100 do_multi_index_op (int nargout, const octave_value_list& idx) |
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101 { |
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102 return subsref ("(", std::list<octave_value_list> (1, idx), nargout); |
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103 } |
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104 |
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105 static octave_value numeric_conv (const Cell& val, |
| 10313 | 106 const std::string& type); |
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107 |
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108 void assign(const std::string& k, const octave_value& rhs) |
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109 { map.assign (k, rhs); }; |
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110 |
| 7338 | 111 octave_value subsasgn (const std::string& type, |
| 10313 | 112 const std::list<octave_value_list>& idx, |
| 113 const octave_value& rhs); | |
| 7338 | 114 |
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115 octave_value undef_subsasgn (const std::string& type, |
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116 const std::list<octave_value_list>& idx, |
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117 const octave_value& rhs); |
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118 |
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119 idx_vector index_vector (void) const; |
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120 |
| 7338 | 121 dim_vector dims (void) const { return map.dims (); } |
| 122 | |
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123 size_t byte_size (void) const; |
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124 |
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125 // This is the number of elements in each field. The total number |
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126 // of elements is numel () * nfields (). |
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127 octave_idx_type numel (void) const |
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128 { |
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129 dim_vector dv = dims (); |
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130 return dv.numel (); |
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131 } |
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132 |
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133 octave_idx_type nfields (void) const { return map.nfields (); } |
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134 |
| 9151 | 135 size_t nparents (void) const { return parent_list.size (); } |
| 136 | |
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137 octave_value reshape (const dim_vector& new_dims) const |
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138 { |
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139 octave_class retval = octave_class (*this); |
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140 retval.map = retval.map_value().reshape (new_dims); |
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141 return octave_value (new octave_class (retval)); |
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142 } |
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143 |
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144 octave_value resize (const dim_vector& dv, bool = false) const |
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145 { |
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146 octave_class retval = octave_class (*this); |
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147 retval.map.resize (dv); |
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148 return octave_value (new octave_class (retval)); |
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149 } |
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150 |
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151 bool is_defined (void) const { return true; } |
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152 |
| 7338 | 153 bool is_map (void) const { return false; } |
| 154 | |
| 155 bool is_object (void) const { return true; } | |
| 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 |
| 162 { return parent_list; } | |
| 163 | |
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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 string_vector all_strings (bool pad) const; |
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172 |
| 7338 | 173 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 174 | |
| 175 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; | |
| 176 | |
| 177 bool print_name_tag (std::ostream& os, const std::string& name) const; | |
| 178 | |
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179 void print_with_name (std::ostream& os, const std::string& name, |
| 10313 | 180 bool print_padding = true); |
| 7338 | 181 |
| 9190 | 182 bool reconstruct_exemplar (void); |
| 183 | |
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184 static void clear_exemplar_map (void); |
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185 |
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186 bool reconstruct_parents (void); |
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187 |
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
188 bool save_ascii (std::ostream& os); |
| 7338 | 189 |
| 190 bool load_ascii (std::istream& is); | |
| 191 | |
| 192 bool save_binary (std::ostream& os, bool& save_as_floats); | |
| 193 | |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11584
diff
changeset
|
194 bool load_binary (std::istream& is, bool swap, |
| 10313 | 195 oct_mach_info::float_format fmt); |
| 7338 | 196 |
| 197 #if defined (HAVE_HDF5) | |
| 198 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); | |
| 199 | |
|
9881
b3089dba88bf
Remove HDF5 cruft for older versions of HDF5
Kacper Kowalik
parents:
9767
diff
changeset
|
200 bool load_hdf5 (hid_t loc_id, const char *name); |
| 7338 | 201 #endif |
| 202 | |
| 203 mxArray *as_mxArray (void) const; | |
| 204 | |
|
9529
8e5009334661
partially revert e79470be3ecb
Jaroslav Hajek <highegg@gmail.com>
parents:
9522
diff
changeset
|
205 private: |
| 7338 | 206 |
|
10768
8a868004a437
use octave_map for octave_class
Jaroslav Hajek <highegg@gmail.com>
parents:
10742
diff
changeset
|
207 octave_map map; |
| 7338 | 208 |
| 209 DECLARE_OCTAVE_ALLOCATOR | |
| 210 | |
| 211 public: | |
| 212 int type_id (void) const { return t_id; } | |
| 213 std::string type_name (void) const { return t_name; } | |
| 214 std::string class_name (void) const { return c_name; } | |
| 215 | |
| 216 static int static_type_id (void) { return t_id; } | |
| 217 static std::string static_type_name (void) { return t_name; } | |
| 218 static std::string static_class_name (void) { return "<unknown>"; } | |
| 219 static void register_type (void); | |
| 220 | |
| 221 private: | |
| 222 static int t_id; | |
| 223 | |
| 224 static const std::string t_name; | |
| 225 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
|
226 std::list<std::string> parent_list; |
| 7338 | 227 |
|
9581
3d0d2bda3a0f
fix previous change, avoid duplicate loads of methods in descendant classes
Jaroslav Hajek <highegg@gmail.com>
parents:
9529
diff
changeset
|
228 bool in_class_method (void); |
|
10926
f687bd17ce21
fix field assignment from private class methods
Jaroslav Hajek <highegg@gmail.com>
parents:
10768
diff
changeset
|
229 std::string get_current_method_class (void); |
| 9151 | 230 |
|
12171
d08901c05c1b
fix bug in class assignment to undefined object with index
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
231 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
|
232 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
|
233 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
|
234 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
|
235 |
|
9522
e79470be3ecb
implement subsasgn this-arg optimization
Jaroslav Hajek <highegg@gmail.com>
parents:
9521
diff
changeset
|
236 int obsolete_copies; |
|
e79470be3ecb
implement subsasgn this-arg optimization
Jaroslav Hajek <highegg@gmail.com>
parents:
9521
diff
changeset
|
237 |
| 9151 | 238 public: |
| 239 // The list of field names and parent classes defines a class. We | |
| 240 // keep track of each class that has been created so that we know | |
| 241 class exemplar_info | |
| 242 { | |
| 243 public: | |
| 244 | |
| 245 exemplar_info (void) : field_names (), parent_class_names () { } | |
| 246 | |
| 247 exemplar_info (const octave_value& obj); | |
| 248 | |
| 249 exemplar_info (const exemplar_info& x) | |
| 250 : field_names (x.field_names), | |
| 10313 | 251 parent_class_names (x.parent_class_names) { } |
| 9151 | 252 |
| 253 exemplar_info& operator = (const exemplar_info& x) | |
| 254 { | |
| 255 if (&x != this) | |
| 10313 | 256 { |
| 257 field_names = x.field_names; | |
| 258 parent_class_names = x.parent_class_names; | |
| 259 } | |
| 9151 | 260 return *this; |
| 261 } | |
| 262 | |
| 263 octave_idx_type nfields (void) const { return field_names.length (); } | |
| 264 | |
| 265 size_t nparents (void) const { return parent_class_names.size (); } | |
| 266 | |
| 267 string_vector fields (void) const { return field_names; } | |
| 268 | |
| 269 std::list<std::string> parents (void) const { return parent_class_names; } | |
| 270 | |
| 271 bool compare (const octave_value& obj) const; | |
| 272 | |
| 273 private: | |
| 274 | |
| 275 string_vector field_names; | |
| 276 std::list<std::string> parent_class_names; | |
| 277 }; | |
| 278 | |
| 279 // A map from class names to lists of fields. | |
| 280 static std::map<std::string, exemplar_info> exemplar_map; | |
| 281 | |
| 282 typedef std::map<std::string, exemplar_info>::iterator exemplar_iterator; | |
| 283 typedef std::map<std::string, exemplar_info>::const_iterator exemplar_const_iterator; | |
| 7338 | 284 }; |
| 285 | |
| 286 #endif |