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annotate src/oct-obj.h @ 14026:3781981be535 ss-3-5-90

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snapshot 3.5.90 * configure.ac (AC_INIT): Version is now 3.5.90. (OCTAVE_API_VERSION_NUMBER): Now 46. (OCTAVE_RELEASE_DATE): Now 2011-12-11.
author John W. Eaton <jwe@octave.org>
date Sun, 11 Dec 2011 23:18:31 -0500
parents 826f008c829b
children 72c96de7a403
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1 /*
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2
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3 Copyright (C) 1994-2011 John W. Eaton
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4 Copyright (C) 2009 VZLU Prague
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5
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6 This file is part of Octave.
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7
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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 the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if !defined (octave_oct_obj_h)
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25 #define octave_oct_obj_h 1
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26
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27 #include <string>
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28 #include <vector>
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29
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30 #include "oct-alloc.h"
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31 #include "str-vec.h"
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32 #include "Array.h"
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33
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34 #include "ov.h"
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35 #include "Cell.h"
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36
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37 class
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38 OCTINTERP_API
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39 octave_value_list
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40 {
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41 public:
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42
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43 octave_value_list (void)
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44 : data (), names () { }
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45
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46 explicit octave_value_list (octave_idx_type n)
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47 : data (dim_vector (1, n)), names () { }
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48
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49 octave_value_list (octave_idx_type n, const octave_value& val)
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50 : data (dim_vector (1, n), val), names () { }
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51
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52 octave_value_list (const octave_value& tc)
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53 : data (dim_vector (1, 1), tc), names () { }
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54
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55 octave_value_list (const Array<octave_value>& d)
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56 : data (d.as_row ()), names () { }
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57
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58 octave_value_list (const Cell& tc)
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59 : data (tc.as_row ()), names () { }
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60
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61 octave_value_list (const octave_value_list& obj)
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62 : data (obj.data), names (obj.names) { }
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63
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64 // Concatenation constructor.
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65 octave_value_list (const std::list<octave_value_list>&);
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66
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67 ~octave_value_list (void) { }
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68
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69 octave_value_list& operator = (const octave_value_list& obj)
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70 {
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71 if (this != &obj)
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72 {
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73 data = obj.data;
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74 names = obj.names;
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75 }
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77 return *this;
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78 }
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80 Array<octave_value> array_value (void) const { return data; }
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81
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82 Cell cell_value (void) const { return array_value (); }
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83
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84 // Assignment will resize on range errors.
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85
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86 octave_value& operator () (octave_idx_type n) { return elem (n); }
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87
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88 const octave_value& operator () (octave_idx_type n) const { return elem (n); }
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89
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90 octave_idx_type length (void) const { return data.length (); }
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91
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92 bool empty (void) const { return length () == 0; }
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93
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94 void resize (octave_idx_type n, const octave_value& rfv
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95 = Array<octave_value>::resize_fill_value ())
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96 {
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97 data.resize (dim_vector (1, n), rfv);
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98 }
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99
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100 octave_value_list& prepend (const octave_value& val);
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101
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102 octave_value_list& append (const octave_value& val);
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103
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104 octave_value_list& append (const octave_value_list& lst);
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105
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106 octave_value_list& reverse (void);
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107
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108 octave_value_list
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109 slice (octave_idx_type offset, octave_idx_type len, bool tags = false) const
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110 {
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111 octave_value_list retval (data.linear_slice (offset, offset + len));
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112 if (tags && len > 0 && names.length () > 0)
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113 retval.names = names.linear_slice (offset, std::min (len, names.length ()));
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114
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115 return retval;
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116 }
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117
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118 octave_value_list
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119 splice (octave_idx_type offset, octave_idx_type len,
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120 const octave_value_list& lst = octave_value_list ()) const;
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121
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122 bool all_strings_p (void) const;
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123
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124 bool all_scalars (void) const;
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125
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126 bool any_cell (void) const;
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127
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128 bool has_magic_colon (void) const;
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129
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130 string_vector make_argv (const std::string& = std::string()) const;
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131
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132 void stash_name_tags (const string_vector& nm) { names = nm; }
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133
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134 string_vector name_tags (void) const { return names; }
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135
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136 void make_storable_values (void);
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137
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138 octave_value& xelem (octave_idx_type i)
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139 {
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140 return data.xelem (i);
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141 }
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142
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143 void clear (void)
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144 {
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145 data.clear ();
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146 }
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147
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148 private:
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149
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150 Array<octave_value> data;
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151
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152 // This list of strings can be used to tag each element of data with
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153 // a name. By default, it is empty.
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154 string_vector names;
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155
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156 octave_value& elem (octave_idx_type n)
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157 {
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158 if (n >= length ())
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159 resize (n + 1);
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160
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161 return data(n);
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162 }
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163
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164 const octave_value& elem (octave_idx_type n) const
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165 { return data(n); }
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166
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167 DECLARE_OCTAVE_ALLOCATOR
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168 };
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169
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170 #endif