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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, 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 (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "error.h" |
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32 #include "str-vec.h" |
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33 |
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34 #include "oct-map.h" |
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35 #include "utils.h" |
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36 |
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37 string_vector |
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38 Octave_map::keys (void) const |
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39 { |
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40 int len = length (); |
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41 |
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42 string_vector names (len); |
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43 |
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44 int i = 0; |
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45 for (Pix p = first (); p != 0; next (p)) |
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46 names[i++] = key (p); |
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47 |
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48 return names; |
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49 } |
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50 |
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51 int |
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52 Octave_map::array_length (void) const |
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53 { |
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54 if (array_len == 0 && length () != 0) |
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55 { |
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56 Pix p = first (); |
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57 array_len = contents(p).length (); |
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58 } |
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59 return array_len; |
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60 } |
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61 |
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62 Octave_map& |
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63 Octave_map::assign (const idx_vector& idx, const std::string& key, |
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64 const octave_value_list& rhs) |
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65 { |
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66 octave_value_list tmp = map[key]; |
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67 |
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68 tmp.assign (idx, rhs); |
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69 |
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70 if (! error_state) |
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71 { |
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72 int rhs_len = tmp.length (); |
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73 |
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74 int len = array_length (); |
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75 |
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76 octave_value fill_value = Matrix (); |
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77 |
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78 if (rhs_len < len) |
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79 { |
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80 tmp.resize (len, fill_value); |
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81 } |
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82 else if (rhs_len > len) |
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83 { |
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84 for (Pix p = first (); p != 0; next (p)) |
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85 contents(p).resize (len, fill_value); |
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86 |
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87 array_len = len; |
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88 } |
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89 |
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90 map[key] = tmp; |
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91 } |
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92 |
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93 return *this; |
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94 } |
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95 |
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96 Octave_map& |
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97 Octave_map::assign (const std::string& key, const octave_value_list& rhs) |
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98 { |
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99 if (map.empty ()) |
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100 map[key] = rhs; |
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101 else |
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102 { |
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103 octave_value_list tmp = map.contents (map.first ()); |
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104 |
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105 if (tmp.length () == rhs.length ()) |
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106 map[key] = rhs; |
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107 else |
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108 error ("invalid structure assignment"); |
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109 } |
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110 |
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111 return *this; |
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112 } |
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113 |
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114 Octave_map |
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115 Octave_map::index (idx_vector& idx) |
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116 { |
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117 Octave_map retval; |
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118 |
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119 for (Pix p = first (); p != 0; next (p)) |
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120 { |
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121 octave_value_list tmp = contents(p).index (idx); |
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122 |
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123 if (error_state) |
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124 break; |
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125 |
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126 retval[key(p)] = tmp; |
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127 } |
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128 |
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129 return error_state ? Octave_map () : retval; |
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130 } |
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131 |
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132 /* |
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133 ;;; Local Variables: *** |
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134 ;;; mode: C++ *** |
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135 ;;; End: *** |
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136 */ |
