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1 /* |
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2 |
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3 Copyright (C) 2007 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_class_h) |
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25 #define octave_class_h 1 |
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26 |
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27 #include <cstdlib> |
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28 |
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29 #include <iostream> |
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30 #include <string> |
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31 |
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32 #include "mx-base.h" |
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33 #include "str-vec.h" |
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34 |
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35 #include "error.h" |
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36 #include "oct-alloc.h" |
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37 #include "oct-map.h" |
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38 #include "ov-base.h" |
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39 #include "ov-typeinfo.h" |
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40 |
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41 class octave_value_list; |
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42 |
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43 class tree_walker; |
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44 |
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45 // Data structures. |
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46 |
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47 class |
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48 octave_class : public octave_base_value |
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49 { |
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50 public: |
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51 |
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52 octave_class (void) |
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53 : octave_base_value () { } |
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54 |
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55 octave_class (const Octave_map& m, const std::string& id) |
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56 : octave_base_value (), map (m), c_name (id) { } |
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57 |
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58 octave_class (const octave_class& s) |
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59 : octave_base_value (s), map (s.map), c_name (s.c_name) { } |
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60 |
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61 ~octave_class (void) { } |
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62 |
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63 octave_base_value *clone (void) const { return new octave_class (*this); } |
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64 octave_base_value *empty_clone (void) const { return new octave_class (); } |
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65 |
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66 Cell dotref (const octave_value_list& idx); |
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67 |
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68 octave_value subsref (const std::string&, |
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69 const std::list<octave_value_list>&) |
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70 { |
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71 panic_impossible (); |
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72 return octave_value_list (); |
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73 } |
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74 |
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75 octave_value_list subsref (const std::string& type, |
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76 const std::list<octave_value_list>& idx, |
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77 int nargout); |
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78 |
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79 static octave_value numeric_conv (const Cell& val, |
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80 const std::string& type); |
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81 |
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82 octave_value subsasgn (const std::string& type, |
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83 const std::list<octave_value_list>& idx, |
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84 const octave_value& rhs); |
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85 |
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86 dim_vector dims (void) const { return map.dims (); } |
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87 |
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88 size_t byte_size (void) const; |
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89 |
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90 // This is the number of elements in each field. The total number |
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91 // of elements is numel () * nfields (). |
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92 octave_idx_type numel (void) const |
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93 { |
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94 dim_vector dv = dims (); |
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95 return dv.numel (); |
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96 } |
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97 |
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98 octave_idx_type nfields (void) const { return map.nfields (); } |
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99 |
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100 octave_value reshape (const dim_vector& new_dims) const |
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101 { return map.reshape (new_dims); } |
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102 |
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103 octave_value resize (const dim_vector& dv, bool = false) const |
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104 { Octave_map tmap = map; tmap.resize (dv); return tmap; } |
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105 |
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106 bool is_defined (void) const { return true; } |
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107 |
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108 bool is_map (void) const { return false; } |
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109 |
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110 bool is_object (void) const { return true; } |
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111 |
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112 Octave_map map_value (void) const; |
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113 |
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114 string_vector map_keys (void) const; |
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115 |
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116 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
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117 |
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118 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
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119 |
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120 bool print_name_tag (std::ostream& os, const std::string& name) const; |
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121 |
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122 void print_with_name (std::ostream& os, const std::string& name, |
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123 bool print_padding = true) const; |
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124 |
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125 bool save_ascii (std::ostream& os, bool& infnan_warned); |
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126 |
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127 bool load_ascii (std::istream& is); |
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128 |
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129 bool save_binary (std::ostream& os, bool& save_as_floats); |
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130 |
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131 bool load_binary (std::istream& is, bool swap, |
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132 oct_mach_info::float_format fmt); |
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133 |
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134 #if defined (HAVE_HDF5) |
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135 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); |
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136 |
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137 bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug); |
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138 #endif |
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139 |
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140 mxArray *as_mxArray (void) const; |
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141 |
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142 private: |
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143 |
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144 Octave_map map; |
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145 |
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146 DECLARE_OCTAVE_ALLOCATOR |
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147 |
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148 public: |
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149 int type_id (void) const { return t_id; } |
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150 std::string type_name (void) const { return t_name; } |
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151 std::string class_name (void) const { return c_name; } |
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152 |
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153 static int static_type_id (void) { return t_id; } |
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154 static std::string static_type_name (void) { return t_name; } |
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155 static std::string static_class_name (void) { return "<unknown>"; } |
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156 static void register_type (void); |
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157 |
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158 private: |
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159 static int t_id; |
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160 |
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161 static const std::string t_name; |
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162 std::string c_name; |
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163 |
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164 bool in_class_method (void) const; |
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165 }; |
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166 |
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167 #endif |
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168 |
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169 /* |
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170 ;;; Local Variables: *** |
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171 ;;; mode: C++ *** |
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172 ;;; End: *** |
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173 */ |
