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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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_oct_map_h) |
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25 #define octave_oct_map_h 1 |
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26 |
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27 #include <map> |
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28 |
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29 #include "Cell.h" |
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30 #include "oct-obj.h" |
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31 |
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32 class string_vector; |
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33 |
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34 class |
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35 Octave_map |
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36 { |
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37 public: |
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38 |
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39 typedef std::map<std::string, Cell>::iterator iterator; |
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40 typedef std::map<std::string, Cell>::const_iterator const_iterator; |
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41 |
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42 // Warning! You should always use at least two dimensions. |
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43 |
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44 Octave_map (const dim_vector& dv = dim_vector (0, 0)) |
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45 : map (), dimensions (dv) { } |
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46 |
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47 Octave_map (const std::string& k, const octave_value& value) |
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48 : map (), dimensions (1, 1) |
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49 { map[k] = value; } |
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50 |
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51 Octave_map (const std::string& k, const Cell& vals) |
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52 : map (), dimensions (vals.dims ()) |
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53 { map[k] = vals; } |
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54 |
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55 Octave_map (const std::string& k, const octave_value_list& val_list) |
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56 : map (), dimensions (1, val_list.length ()) |
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57 { map[k] = val_list; } |
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58 |
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59 Octave_map (const Octave_map& m) : map (m.map), dimensions (m.dimensions) { } |
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60 |
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61 Octave_map& operator = (const Octave_map& m) |
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62 { |
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63 if (this != &m) |
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64 { |
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65 map = m.map; |
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66 dimensions = m.dimensions; |
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67 } |
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68 |
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69 return *this; |
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70 } |
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71 |
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72 ~Octave_map (void) { } |
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73 |
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74 // This is the number of keys. |
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75 octave_idx_type length (void) const { return map.size (); } |
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76 |
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77 int empty (void) const { return map.empty (); } |
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78 |
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79 void del (const std::string& k) |
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80 { |
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81 iterator p = map.find (k); |
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82 if (p != map.end ()) |
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83 map.erase (p); |
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84 } |
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85 |
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86 iterator begin (void) { return iterator (map.begin ()); } |
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87 const_iterator begin (void) const { return const_iterator (map.begin ()); } |
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88 |
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89 iterator end (void) { return iterator (map.end ()); } |
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90 const_iterator end (void) const { return const_iterator (map.end ()); } |
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91 |
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92 std::string key (const_iterator p) const { return p->first; } |
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93 |
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94 Cell& contents (const std::string& k); |
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95 Cell contents (const std::string& k) const; |
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96 |
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97 Cell& contents (const_iterator p) |
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98 { return contents (key(p)); } |
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99 |
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100 Cell contents (const_iterator p) const |
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101 { return contents (key(p)); } |
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102 |
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103 int intfield (const std::string& k, int def_val = 0) const; |
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104 |
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105 std::string stringfield (const std::string& k, |
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106 const std::string& def_val = std::string ()) const; |
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107 |
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108 iterator seek (const std::string& k) { return map.find (k); } |
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109 const_iterator seek (const std::string& k) const { return map.find (k); } |
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110 |
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111 bool contains (const std::string& k) const |
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112 { return (seek (k) != map.end ()); } |
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113 |
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114 void clear (void) { map.clear (); } |
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115 |
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116 string_vector keys (void) const; |
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117 |
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118 octave_idx_type rows (void) const { return dimensions(0); } |
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119 |
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120 octave_idx_type columns (void) const { return dimensions(1); } |
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121 |
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122 dim_vector dims (void) const { return dimensions; } |
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123 |
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124 Octave_map reshape (const dim_vector& new_dims) const; |
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125 |
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126 Octave_map resize (const dim_vector& dv) const; |
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127 |
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128 octave_idx_type numel (void) const; |
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129 |
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130 Octave_map concat (const Octave_map& rb, const Array<octave_idx_type>& ra_idx); |
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131 |
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132 Octave_map& assign (const octave_value_list& idx, const Octave_map& rhs); |
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133 |
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134 Octave_map& assign (const octave_value_list& idx, const std::string& k, |
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135 const Cell& rhs); |
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136 |
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137 Octave_map& assign (const std::string& k, const octave_value& rhs); |
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138 |
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139 Octave_map& assign (const std::string& k, const Cell& rhs); |
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140 |
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141 Octave_map index (const octave_value_list& idx); |
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142 |
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143 private: |
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144 |
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145 // The map of names to values. |
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146 std::map<std::string, Cell> map; |
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147 |
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148 // The current size. |
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149 mutable dim_vector dimensions; |
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150 }; |
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151 |
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152 #endif |
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153 |
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154 /* |
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155 ;;; Local Variables: *** |
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156 ;;; mode: C++ *** |
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157 ;;; End: *** |
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158 */ |
