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annotate src/oct-map.h @ 11074:8a3b7e8fcbbc

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graphics.cc, graphics.h.in, genprops.awk: use octave_map and octave_scalar_map instead of Octave_map
author John W. Eaton <jwe@octave.org>
date Fri, 01 Oct 2010 05:16:04 -0400
parents b0eec300d3fc
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2003, 2004, 2005,
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John W. Eaton <jwe@octave.org>
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4 2006, 2007, 2009 John W. Eaton
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5 Copyright (C) 2010 VZLU Prague
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 #if !defined (octave_oct_map_h)
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26 #define octave_oct_map_h 1
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27
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28 #include <algorithm>
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29 #include <map>
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31 #include "Cell.h"
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32 #include "oct-obj.h"
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33
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34 class string_vector;
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35
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36 // A class holding a map field->index. Supports reference-counting.
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37 class OCTINTERP_API
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38 octave_fields
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39 {
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40 class fields_rep : public std::map<std::string, octave_idx_type>
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41 {
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42 public:
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43 fields_rep (void) : std::map<std::string, octave_idx_type> (), count (1) { }
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44 fields_rep (const fields_rep& other)
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45 : std::map<std::string, octave_idx_type> (other), count (1) { }
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46
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47 int count;
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48
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49 private:
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50 fields_rep& operator = (const fields_rep&); // no assignment!
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51 };
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52
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53 fields_rep *rep;
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54
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55 static fields_rep *nil_rep (void)
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56 {
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57 static fields_rep *nr = new fields_rep ();
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58 return nr;
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59 }
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60
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61 public:
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62
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63 octave_fields (void) : rep (nil_rep ()) { rep->count++; }
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64 octave_fields (const string_vector&);
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65 octave_fields (const char * const *);
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66
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67 ~octave_fields (void)
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68 {
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69 if (--rep->count == 0)
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70 delete rep;
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71 }
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72
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73 void make_unique (void)
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74 {
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75 if (rep->count > 1)
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76 {
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77 --rep->count;
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78 rep = new fields_rep (*rep);
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79 }
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80 }
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81
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82 octave_fields (const octave_fields& o) : rep (o.rep) { rep->count++; }
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83
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84 octave_fields&
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85 operator = (const octave_fields& o)
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86 {
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87 o.rep->count++;
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88 if (--rep->count == 0)
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89 delete rep;
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90 rep = o.rep;
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91
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92 return *this;
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93 }
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94
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95 // constant iteration support. non-const iteration intentionally unsupported.
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96
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97 typedef std::map<std::string, octave_idx_type>::const_iterator const_iterator;
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98 typedef const_iterator iterator;
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99
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100 const_iterator begin (void) const { return rep->begin (); }
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101 const_iterator end (void) const { return rep->end (); }
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102
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103 std::string key (const_iterator p) const { return p->first; }
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104 octave_idx_type index (const_iterator p) const { return p->second; }
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105
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106 const_iterator seek (const std::string& k) const
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107 { return rep->find (k); }
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108
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109 // high-level methods.
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110
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111 // number of fields.
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112 octave_idx_type nfields (void) const { return rep->size (); }
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113
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114 // check whether a field exists.
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115 bool isfield (const std::string& name) const;
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116
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117 // get index of field. return -1 if not exist
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118 octave_idx_type getfield (const std::string& name) const;
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119 // get index of field. add if not exist
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120 octave_idx_type getfield (const std::string& name);
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121 // remove field and return the index. -1 if didn't exist.
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122 octave_idx_type rmfield (const std::string& name);
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123
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124 // order the fields of this map. creates a permutation
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125 // used to order the fields.
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126 void orderfields (Array<octave_idx_type>& perm);
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127
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128 // compares two instances for equality up to order of fields.
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129 // returns a permutation needed to bring the fields of *other*
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130 // into the order of *this*.
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131 bool equal_up_to_order (const octave_fields& other,
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132 octave_idx_type* perm) const;
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133
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134 bool equal_up_to_order (const octave_fields& other,
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135 Array<octave_idx_type>& perm) const;
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136
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137 bool is_same (const octave_fields& other) const
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138 { return rep == other.rep; }
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139
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140 // Returns the fields as a vector of strings.
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141 string_vector fieldnames (void) const;
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142
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143 void clear (void)
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144 {
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145 *this = octave_fields ();
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146 }
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147 };
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148
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149
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150 class OCTINTERP_API
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151 octave_scalar_map
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152 {
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153 public:
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154
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155 octave_scalar_map (const octave_fields& k)
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156 : xkeys (k), xvals (k.nfields ()) { }
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157
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158 octave_scalar_map (void) : xkeys (), xvals () { }
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159
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160 octave_scalar_map (const string_vector& k)
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161 : xkeys (k), xvals (k.length ()) { }
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162
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163 octave_scalar_map (const octave_scalar_map& m)
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164 : xkeys (m.xkeys), xvals(m.xvals) { }
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165
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166 octave_scalar_map& operator = (const octave_scalar_map& m)
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167 {
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168 xkeys = m.xkeys;
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169 xvals = m.xvals;
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170
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171 return *this;
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172 }
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173
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174 // iteration support. note that both const and non-const iterators are the
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175 // same. The const/non-const distinction is made by the key & contents method.
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176 typedef octave_fields::const_iterator const_iterator;
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177 typedef const_iterator iterator;
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178
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179 const_iterator begin (void) const { return xkeys.begin (); }
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180 const_iterator end (void) const { return xkeys.end (); }
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181
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182 const_iterator seek (const std::string& k) const { return xkeys.seek (k); }
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183
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184 std::string key (const_iterator p) const
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185 { return xkeys.key (p); }
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186 octave_idx_type index (const_iterator p) const
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187 { return xkeys.index (p); }
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188
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189 const octave_value& contents (const_iterator p) const
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190 { return xvals[xkeys.index (p)]; }
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191
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192 octave_value& contents (iterator p)
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193 { return xvals[xkeys.index (p)]; }
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194
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195 const octave_value& contents (octave_idx_type i) const
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196 { return xvals[i]; }
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197
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198 octave_value& contents (octave_idx_type i)
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199 { return xvals[i]; }
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200
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201 // number of fields.
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202 octave_idx_type nfields (void) const { return xkeys.nfields (); }
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203
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204 // check whether a field exists.
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205 bool isfield (const std::string& name) const
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206 { return xkeys.isfield (name); }
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207
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208 bool contains (const std::string& name) const
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209 { return isfield (name); }
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210
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211 string_vector fieldnames (void) const
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212 { return xkeys.fieldnames (); }
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213
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214 string_vector keys (void) const
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215 { return fieldnames (); }
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216
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217 // get contents of a given field. empty value if not exist.
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218 octave_value getfield (const std::string& key) const;
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219
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220 // set contents of a given field. add if not exist.
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221 void setfield (const std::string& key, const octave_value& val);
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222 void assign (const std::string& k, const octave_value& val)
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223 { setfield (k, val); }
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224
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225 // remove a given field. do nothing if not exist.
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226 void rmfield (const std::string& key);
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227 void del (const std::string& k) { rmfield (k); }
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228
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229 // return a copy with fields ordered, optionally along with permutation.
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230 octave_scalar_map orderfields (void) const;
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231 octave_scalar_map orderfields (Array<octave_idx_type>& perm) const;
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232 octave_scalar_map orderfields (const octave_scalar_map& other,
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233 Array<octave_idx_type>& perm) const;
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234
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235 // aka getfield/setfield, but the latter returns a reference.
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236 octave_value contents (const std::string& k) const;
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237 octave_value& contents (const std::string& k);
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238
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239 void clear (void)
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240 {
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241 xkeys.clear ();
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242 xvals.clear ();
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243 }
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244
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245 friend class octave_map;
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246
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247 private:
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248
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249 octave_fields xkeys;
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250 std::vector<octave_value> xvals;
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251
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252 };
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253
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254 template<>
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255 inline octave_scalar_map octave_value_extract<octave_scalar_map> (const octave_value& v)
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256 { return v.scalar_map_value (); }
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257
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258 class OCTINTERP_API
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259 octave_map
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260 {
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261 public:
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262
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263 octave_map (const octave_fields& k)
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264 : xkeys (k), xvals (k.nfields ()), dimensions () { }
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265
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266 octave_map (const dim_vector& dv, const octave_fields& k)
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267 : xkeys (k), xvals (k.nfields (), Cell (dv)), dimensions (dv) { }
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268
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269 typedef octave_scalar_map element_type;
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270
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271 octave_map (void) : xkeys (), xvals (), dimensions () { }
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272
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273 octave_map (const dim_vector& dv) : xkeys (), xvals (), dimensions (dv) { }
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274
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275 octave_map (const string_vector& k)
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276 : xkeys (k), xvals (k.length ()), dimensions (1, 1) { }
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277
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278 octave_map (const dim_vector& dv, const string_vector& k)
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279 : xkeys (k), xvals (k.length (), Cell (dv)), dimensions (dv) { }
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280
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281 octave_map (const octave_map& m)
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282 : xkeys (m.xkeys), xvals (m.xvals), dimensions (m.dimensions) { }
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283
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284 octave_map (const octave_scalar_map& m);
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285
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286 octave_map (const Octave_map& m);
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287
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288 octave_map& operator = (const octave_map& m)
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289 {
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290 xkeys = m.xkeys;
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291 xvals = m.xvals;
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292 dimensions = m.dimensions;
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293
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294 return *this;
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295 }
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296
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297 // iteration support. note that both const and non-const iterators are the
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298 // same. The const/non-const distinction is made by the key & contents method.
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299 typedef octave_fields::const_iterator const_iterator;
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300 typedef const_iterator iterator;
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301
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302 const_iterator begin (void) const { return xkeys.begin (); }
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303 const_iterator end (void) const { return xkeys.end (); }
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304
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305 const_iterator seek (const std::string& k) const { return xkeys.seek (k); }
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306
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307 std::string key (const_iterator p) const
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308 { return xkeys.key (p); }
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309 octave_idx_type index (const_iterator p) const
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310 { return xkeys.index (p); }
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311
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312 const Cell& contents (const_iterator p) const
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313 { return xvals[xkeys.index (p)]; }
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314
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315 Cell& contents (iterator p)
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316 { return xvals[xkeys.index (p)]; }
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317
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318 const Cell& contents (octave_idx_type i) const
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319 { return xvals[i]; }
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320
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321 Cell& contents (octave_idx_type i)
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322 { return xvals[i]; }
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323
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324 // number of fields.
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325 octave_idx_type nfields (void) const { return xkeys.nfields (); }
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326
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327 // check whether a field exists.
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328 bool isfield (const std::string& name) const
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329 { return xkeys.isfield (name); }
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330
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331 bool contains (const std::string& name) const
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332 { return isfield (name); }
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333
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334 string_vector fieldnames (void) const
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335 { return xkeys.fieldnames (); }
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336
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337 string_vector keys (void) const
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338 { return fieldnames (); }
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339
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340 // get contents of a given field. empty value if not exist.
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341 Cell getfield (const std::string& key) const;
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342
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343 // set contents of a given field. add if not exist. checks for
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344 // correct dimensions.
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345 void setfield (const std::string& key, const Cell& val);
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346 void assign (const std::string& k, const Cell& val)
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347 { setfield (k, val); }
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348
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349 // remove a given field. do nothing if not exist.
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350 void rmfield (const std::string& key);
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351 void del (const std::string& k) { rmfield (k); }
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352
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353 // return a copy with fields ordered, optionally along with permutation.
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354 octave_map orderfields (void) const;
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355 octave_map orderfields (Array<octave_idx_type>& perm) const;
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356 octave_map orderfields (const octave_map& other,
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357 Array<octave_idx_type>& perm) const;
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358
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359 // aka getfield/setfield, but the latter returns a reference.
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360 Cell contents (const std::string& k) const;
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361 Cell& contents (const std::string& k);
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362
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363 void clear (void)
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364 {
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365 xkeys.clear ();
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366 xvals.clear ();
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367 }
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368
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369 // The Array-like methods.
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370 octave_idx_type numel (void) const { return dimensions.numel (); }
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371 octave_idx_type length (void) const { return numel (); }
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372 bool is_empty (void) const { return dimensions.any_zero (); }
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373
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374 octave_idx_type rows (void) const { return dimensions(0); }
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375 octave_idx_type cols (void) const { return dimensions(1); }
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376 octave_idx_type columns (void) const { return dimensions(1); }
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377
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378 // Extract a scalar substructure.
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379 octave_scalar_map checkelem (octave_idx_type n) const;
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380 octave_scalar_map checkelem (octave_idx_type i, octave_idx_type j) const;
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381
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382 octave_scalar_map
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383 checkelem (const Array<octave_idx_type>& ra_idx) const;
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384
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385 octave_scalar_map operator () (octave_idx_type n) const
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386 { return checkelem (n); }
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387 octave_scalar_map operator () (octave_idx_type i, octave_idx_type j) const
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388 { return checkelem (i, j); }
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389
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390 octave_scalar_map
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391 operator () (const Array<octave_idx_type>& ra_idx) const
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392 { return checkelem (ra_idx); }
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393
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394 octave_map squeeze (void) const;
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395
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396 octave_map permute (const Array<int>& vec, bool inv = false) const;
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397
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398 dim_vector dims (void) const { return dimensions; }
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399
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400 int ndims (void) const { return dimensions.length (); }
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401
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402 octave_map transpose (void) const;
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403
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404 octave_map reshape (const dim_vector& dv) const;
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405
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406 void resize (const dim_vector& dv, bool fill = false);
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407
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408 static octave_map
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409 cat (int dim, octave_idx_type n, const octave_scalar_map *map_list);
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410
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411 static octave_map
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412 cat (int dim, octave_idx_type n, const octave_map *map_list);
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413
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414 octave_map index (const idx_vector& i, bool resize_ok = false) const;
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415
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416 octave_map index (const idx_vector& i, const idx_vector& j,
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417 bool resize_ok = false) const;
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418
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419 octave_map index (const Array<idx_vector>& ia,
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420 bool resize_ok = false) const;
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421
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422 octave_map index (const octave_value_list&, bool resize_ok = false) const;
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423
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424 octave_map column (octave_idx_type k) const;
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425 octave_map page (octave_idx_type k) const;
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426
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427 void assign (const idx_vector& i, const octave_map& rhs);
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428
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429 void assign (const idx_vector& i, const idx_vector& j, const octave_map& rhs);
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430
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431 void assign (const Array<idx_vector>& ia, const octave_map& rhs);
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432
604e13a89c7f initial code for structs rewrite
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diff changeset
433 void assign (const octave_value_list&, const octave_map& rhs);
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diff changeset
434
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diff changeset
435 void assign (const octave_value_list& idx, const std::string& k,
df1a3e0ebbff important fixes for struct rewrite(1)
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diff changeset
436 const Cell& rhs);
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diff changeset
437
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diff changeset
438 void delete_elements (const idx_vector& i);
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diff changeset
439
604e13a89c7f initial code for structs rewrite
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diff changeset
440 void delete_elements (int dim, const idx_vector& i);
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diff changeset
441
604e13a89c7f initial code for structs rewrite
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diff changeset
442 void delete_elements (const Array<idx_vector>& ia);
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443
604e13a89c7f initial code for structs rewrite
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diff changeset
444 void delete_elements (const octave_value_list&);
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diff changeset
445
604e13a89c7f initial code for structs rewrite
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diff changeset
446 octave_map concat (const octave_map& rb, const Array<octave_idx_type>& ra_idx);
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diff changeset
447
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diff changeset
448 // like checkelem, but no check.
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diff changeset
449 octave_scalar_map fast_elem_extract (octave_idx_type n) const;
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450
76079e505f9d optimize cellfun with uniform struct output
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diff changeset
451 // element assignment, no bounds check
76079e505f9d optimize cellfun with uniform struct output
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diff changeset
452 bool fast_elem_insert (octave_idx_type n, const octave_scalar_map& rhs);
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diff changeset
453
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454 private:
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455
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456 octave_fields xkeys;
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457 std::vector<Cell> xvals;
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458 dim_vector dimensions;
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459
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460 void optimize_dimensions (void);
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461 void extract_scalar (octave_scalar_map& dest,
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462 octave_idx_type index) const;
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diff changeset
463 static void do_cat (int dim, octave_idx_type n,
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464 const octave_scalar_map *map_list, octave_map& retval);
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465 static void do_cat (int dim, octave_idx_type n,
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466 const octave_map *map_list, octave_map& retval);
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467 };
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468
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1cc44f3ec814 templated extractors for maps and cells
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
469 template<>
1cc44f3ec814 templated extractors for maps and cells
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diff changeset
470 inline octave_map octave_value_extract<octave_map> (const octave_value& v)
1cc44f3ec814 templated extractors for maps and cells
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diff changeset
471 { return v.map_value (); }
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diff changeset
472
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diff changeset
473 // The original Octave_map object. Octave_map and octave_map are convertible to
604e13a89c7f initial code for structs rewrite
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diff changeset
474 // each other.
604e13a89c7f initial code for structs rewrite
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diff changeset
475
746
46f6f6a4f5c6 [project @ 1994-09-30 15:05:10 by jwe]
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parents:
diff changeset
476 class
6109
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jwe
parents: 6059
diff changeset
477 OCTINTERP_API
3931
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diff changeset
478 Octave_map
746
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diff changeset
479 {
46f6f6a4f5c6 [project @ 1994-09-30 15:05:10 by jwe]
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diff changeset
480 public:
4219
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diff changeset
481
4513
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482 typedef std::map<std::string, Cell>::iterator iterator;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
483 typedef std::map<std::string, Cell>::const_iterator const_iterator;
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diff changeset
484
5880
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diff changeset
485 typedef std::list<std::string>::iterator key_list_iterator;
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diff changeset
486 typedef std::list<std::string>::const_iterator const_key_list_iterator;
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diff changeset
487
4744
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diff changeset
488 // Warning! You should always use at least two dimensions.
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diff changeset
489
5880
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diff changeset
490 Octave_map (const dim_vector& dv = dim_vector (0, 0),
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diff changeset
491 const Cell& key_vals = Cell ());
746
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diff changeset
492
4587
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diff changeset
493 Octave_map (const std::string& k, const octave_value& value)
5880
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diff changeset
494 : map (), key_list (), dimensions (1, 1)
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
495 {
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
496 map[k] = value;
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diff changeset
497 key_list.push_back (k);
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diff changeset
498 }
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diff changeset
499
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Søren Hauberg <soren@hauberg.org>
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500 Octave_map (const string_vector& sv,
0c42b6b7da24 imfinfo: support image files with multiple frames
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diff changeset
501 const dim_vector& dv = dim_vector (0, 0))
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502 : map (), key_list (), dimensions (dv)
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70f5a0375afd oct-map.h: fix think-o in previous change
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diff changeset
503 {
70f5a0375afd oct-map.h: fix think-o in previous change
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diff changeset
504 for (octave_idx_type i = 0; i < sv.length (); i++)
70f5a0375afd oct-map.h: fix think-o in previous change
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diff changeset
505 {
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f3b65e1ae355 untabify src header files
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diff changeset
506 std::string k = sv[i];
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diff changeset
507 map[k] = Cell (dv);
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diff changeset
508 key_list.push_back (k);
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diff changeset
509 }
70f5a0375afd oct-map.h: fix think-o in previous change
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diff changeset
510 }
70f5a0375afd oct-map.h: fix think-o in previous change
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diff changeset
511
4587
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diff changeset
512 Octave_map (const std::string& k, const Cell& vals)
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513 : map (), key_list (), dimensions (vals.dims ())
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
514 {
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
515 map[k] = vals;
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diff changeset
516 key_list.push_back (k);
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diff changeset
517 }
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518
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diff changeset
519 Octave_map (const std::string& k, const octave_value_list& val_list)
5880
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diff changeset
520 : map (), key_list (), dimensions (1, val_list.length ())
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
521 {
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diff changeset
522 map[k] = val_list;
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
523 key_list.push_back (k);
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
524 }
4435
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diff changeset
525
5880
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diff changeset
526 Octave_map (const Octave_map& m)
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
527 : map (m.map), key_list (m.key_list), dimensions (m.dimensions) { }
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diff changeset
528
10742
604e13a89c7f initial code for structs rewrite
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
529 Octave_map (const octave_map& m);
604e13a89c7f initial code for structs rewrite
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parents: 10333
diff changeset
530
3931
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diff changeset
531 Octave_map& operator = (const Octave_map& m)
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
jwe
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diff changeset
532 {
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
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diff changeset
533 if (this != &m)
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
534 {
f3b65e1ae355 untabify src header files
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parents: 10160
diff changeset
535 map = m.map;
f3b65e1ae355 untabify src header files
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diff changeset
536 key_list = m.key_list;
f3b65e1ae355 untabify src header files
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diff changeset
537 dimensions = m.dimensions;
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
538 }
4561
e84592dc70b9 [project @ 2003-10-28 21:07:59 by jwe]
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parents: 4513
diff changeset
539
3931
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diff changeset
540 return *this;
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
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parents: 3523
diff changeset
541 }
746
46f6f6a4f5c6 [project @ 1994-09-30 15:05:10 by jwe]
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diff changeset
542
46f6f6a4f5c6 [project @ 1994-09-30 15:05:10 by jwe]
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parents:
diff changeset
543 ~Octave_map (void) { }
1279
f146197d9d37 [project @ 1995-04-26 17:41:20 by jwe]
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parents: 1009
diff changeset
544
7046
fbf8576cf399 [project @ 2007-10-22 12:12:20 by dbateman]
dbateman
parents: 7017
diff changeset
545 Octave_map squeeze (void) const;
fbf8576cf399 [project @ 2007-10-22 12:12:20 by dbateman]
dbateman
parents: 7017
diff changeset
546
fbf8576cf399 [project @ 2007-10-22 12:12:20 by dbateman]
dbateman
parents: 7017
diff changeset
547 Octave_map permute (const Array<int>& vec, bool inv = false) const;
fbf8576cf399 [project @ 2007-10-22 12:12:20 by dbateman]
dbateman
parents: 7017
diff changeset
548
3932
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diff changeset
549 // This is the number of keys.
6639
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diff changeset
550 octave_idx_type nfields (void) const { return map.size (); }
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diff changeset
551
4587
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diff changeset
552 void del (const std::string& k)
4219
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diff changeset
553 {
4587
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diff changeset
554 iterator p = map.find (k);
5881
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diff changeset
555
4219
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diff changeset
556 if (p != map.end ())
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
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diff changeset
557 {
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
558 map.erase (p);
5880
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
jwe
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diff changeset
559
10313
f3b65e1ae355 untabify src header files
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parents: 10160
diff changeset
560 key_list_iterator q
f3b65e1ae355 untabify src header files
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parents: 10160
diff changeset
561 = std::find (key_list.begin (), key_list.end (), k);
5881
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diff changeset
562
10313
f3b65e1ae355 untabify src header files
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parents: 10160
diff changeset
563 assert (q != key_list.end ());
5881
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diff changeset
564
10313
f3b65e1ae355 untabify src header files
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diff changeset
565 key_list.erase (q);
f3b65e1ae355 untabify src header files
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parents: 10160
diff changeset
566 }
4219
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diff changeset
567 }
3931
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diff changeset
568
4219
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parents: 4200
diff changeset
569 iterator begin (void) { return iterator (map.begin ()); }
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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diff changeset
570 const_iterator begin (void) const { return const_iterator (map.begin ()); }
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4200
diff changeset
571
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4200
diff changeset
572 iterator end (void) { return iterator (map.end ()); }
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4200
diff changeset
573 const_iterator end (void) const { return const_iterator (map.end ()); }
3931
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parents: 3523
diff changeset
574
4219
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parents: 4200
diff changeset
575 std::string key (const_iterator p) const { return p->first; }
3931
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parents: 3523
diff changeset
576
5328
322ab0da00f8 [project @ 2005-05-02 10:48:43 by jwe]
jwe
parents: 5307
diff changeset
577 Cell& contents (const std::string& k);
4675
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe]
jwe
parents: 4587
diff changeset
578 Cell contents (const std::string& k) const;
3931
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579
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580 Cell& contents (iterator p)
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581 { return p->second; }
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582
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583 Cell contents (const_iterator p) const
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584 { return p->second; }
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585
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586 int intfield (const std::string& k, int def_val = 0) const;
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587
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588 std::string stringfield (const std::string& k,
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589 const std::string& def_val = std::string ()) const;
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590
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591 iterator seek (const std::string& k) { return map.find (k); }
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592 const_iterator seek (const std::string& k) const { return map.find (k); }
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593
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594 bool contains (const std::string& k) const
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595 { return (seek (k) != map.end ()); }
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596
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597 void clear (void)
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598 {
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599 map.clear ();
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600 key_list.clear ();
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601 }
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602
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603 string_vector keys (void) const;
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604
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605 octave_idx_type rows (void) const { return dimensions(0); }
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606
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607 octave_idx_type columns (void) const { return dimensions(1); }
4200
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608
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609 dim_vector dims (void) const { return dimensions; }
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610
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611 int ndims (void) const { return dimensions.length (); }
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612
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613 Octave_map transpose (void) const;
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614
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615 Octave_map reshape (const dim_vector& new_dims) const;
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616
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617 void resize (const dim_vector& dv, bool fill = false);
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618
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619 octave_idx_type numel (void) const { return dimensions.numel (); }
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620
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621 Octave_map concat (const Octave_map& rb, const Array<octave_idx_type>& ra_idx);
4806
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622
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623 Octave_map& maybe_delete_elements (const octave_value_list& idx);
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624
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625 Octave_map& assign (const octave_value_list& idx, const Octave_map& rhs);
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626
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627 Octave_map& assign (const octave_value_list& idx, const std::string& k,
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628 const Cell& rhs);
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629
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630 Octave_map& assign (const std::string& k, const octave_value& rhs);
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631
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632 Octave_map& assign (const std::string& k, const Cell& rhs);
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633
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634 Octave_map index (const octave_value_list& idx,
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635 bool resize_ok = false) const;
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636
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637 private:
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638
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639 // The map of names to values.
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640 std::map<std::string, Cell> map;
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641
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642 // An extra list of keys, so we can keep track of the order the keys
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643 // are added for compatibility with you know what.
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644 std::list<std::string> key_list;
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645
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646 // The current size.
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647 mutable dim_vector dimensions;
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diff changeset
648
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diff changeset
649 void maybe_add_to_key_list (const std::string& k)
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650 {
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651 if (! contains (k))
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652 key_list.push_back (k);
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653 }
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654 };
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655
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diff changeset
656 #endif