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1 /* |
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2 |
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3 Copyright (C) 1996 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_struct_h) |
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24 #define octave_struct_h 1 |
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25 |
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26 #if defined (__GNUG__) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <cstdlib> |
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31 |
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32 #include <string> |
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33 |
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34 class ostream; |
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35 |
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36 #include "mx-base.h" |
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37 #include "str-vec.h" |
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38 |
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39 #include "error.h" |
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40 #include "oct-map.h" |
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41 #include "ov-base.h" |
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42 #include "ov-typeinfo.h" |
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43 |
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44 class Octave_map; |
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45 class octave_value_list; |
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46 |
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47 class tree_walker; |
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48 |
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49 // Real scalar values. |
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50 |
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51 class |
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52 octave_struct : public octave_base_value |
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53 { |
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54 public: |
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55 |
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56 octave_struct (void) |
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57 : octave_base_value () { } |
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58 |
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59 octave_struct (const Octave_map& m) |
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60 : octave_base_value (), map (m) { } |
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61 |
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62 octave_struct (const octave_struct& s) |
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63 : octave_base_value (), map (s.map) { } |
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64 |
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65 ~octave_struct (void) { } |
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66 |
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67 octave_value *clone (void) { return new octave_struct (*this); } |
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68 |
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69 #if 0 |
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70 void *operator new (size_t size); |
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71 void operator delete (void *p, size_t size); |
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72 #endif |
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73 |
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74 octave_value struct_elt_val (const string& nm, bool silent) const; |
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75 |
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76 octave_value& struct_elt_ref (const string& nm); |
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77 |
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78 bool is_defined (void) const { return true; } |
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79 |
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80 bool is_map (void) const { return true; } |
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81 |
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82 #if 0 |
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83 double double_value (bool) const |
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84 Matrix matrix_value (bool frc_str_conv = false) const; |
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85 Complex complex_value (bool frc_str_conv = false) const; |
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86 ComplexMatrix complex_matrix_value (bool frc_str_conv = false) const; |
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87 charMatrix char_matrix_value (bool frc_str_conv = false) const; |
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88 charMatrix all_strings (void) const; |
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89 string string_value (void) const; |
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90 Range range_value (void) const |
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91 #endif |
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92 |
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93 Octave_map map_value (void) const { return map; } |
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94 |
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95 #if 0 |
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96 octave_value& lookup_map_element (const string& name, |
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97 bool insert = false, |
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98 bool silent = false); |
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99 |
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100 octave_value& lookup_map_element (SLList<string>& name, |
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101 bool insert = false, |
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102 bool silent = false); |
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103 |
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104 ColumnVector vector_value (bool frc_str_conv = false, |
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105 bool frc_vec_conv = false) const; |
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106 |
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107 ComplexColumnVector |
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108 complex_vector_value (bool frc_str_conv = false, |
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109 bool frc_vec_conv = false) const; |
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110 |
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111 octave_value convert_to_str (void) const; |
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112 |
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113 void convert_to_row_or_column_vector (void); |
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114 |
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115 void maybe_mutate (void); |
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116 #endif |
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117 |
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118 void print (ostream& os); |
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119 |
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120 int type_id (void) const { return t_id; } |
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121 |
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122 string type_name (void) const { return t_name; } |
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123 |
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124 static int static_type_id (void) { return t_id; } |
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125 |
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126 static void register_type (void) |
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127 { t_id = octave_value_typeinfo::register_type (t_name); } |
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128 |
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129 #if 0 |
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130 // Binary and unary operations. |
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131 |
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132 friend octave_value do_binary_op (octave_value& a, octave_value& b, |
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133 tree_expression::type t); |
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134 |
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135 friend octave_value do_unary_op (octave_value& a, |
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136 tree_expression::type t); |
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137 |
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138 // We want to eliminate this. |
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139 |
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140 constant_type const_type (void) const { return type_tag; } |
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141 |
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142 // We want to get rid of these too: |
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143 |
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144 void force_numeric (bool frc_str_conv = false); |
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145 octave_value make_numeric (bool frc_str_conv = false) const; |
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146 |
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147 // But not this. |
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148 |
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149 void convert_to_matrix_type (bool make_complex); |
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150 |
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151 // Indexing and assignment. |
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152 |
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153 void clear_index (void); |
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154 |
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155 // void set_index (double d); |
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156 void set_index (const Range& r); |
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157 void set_index (const ColumnVector& v); |
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158 void set_index (const Matrix& m); |
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159 void set_index (char c); |
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160 |
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161 void set_index (const octave_value_list& args, |
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162 bool rhs_is_complex = false); |
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163 |
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164 octave_value do_index (const octave_value_list& args); |
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165 |
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166 void maybe_widen (constant_type t); |
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167 |
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168 void assign (octave_value& rhs, const octave_value_list& args); |
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169 |
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170 bool print_as_scalar (void); |
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171 |
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172 bool print_as_structure (void); |
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173 #endif |
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174 |
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175 private: |
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176 |
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177 Octave_map map; |
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178 |
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179 static int t_id; |
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180 |
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181 static const string t_name; |
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182 |
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183 #if 0 |
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184 // For custom memory management. |
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185 // XXX FIXME XXX -- maybe this should be inherited (use void* and cast). |
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186 |
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187 octave_base_value *freeptr; |
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188 #endif |
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189 }; |
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190 |
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191 #endif |
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192 |
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193 /* |
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194 ;;; Local Variables: *** |
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195 ;;; mode: C++ *** |
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196 ;;; End: *** |
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197 */ |
