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annotate src/oct-map.h @ 10746:93422177b697

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more octave_map compatibility
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 24 Jun 2010 08:02:26 +0200
parents 4716e2e17118
children 58c1b5402588
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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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30
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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;
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56
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57 public:
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58
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59 octave_fields (void) : rep (&nil_rep) { rep->count++; }
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60 octave_fields (const string_vector&);
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61
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62 ~octave_fields (void)
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63 {
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64 if (--rep->count == 0)
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65 delete rep;
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66 }
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67
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68 void make_unique (void)
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69 {
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70 if (rep->count > 1)
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71 {
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72 --rep->count;
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73 rep = new fields_rep (*rep);
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74 }
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75 }
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76
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77 octave_fields (const octave_fields& o) : rep (o.rep) { rep->count++; }
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78
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79 octave_fields&
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80 operator = (const octave_fields& o)
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81 {
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82 o.rep->count++;
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83 if (--rep->count)
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84 delete rep;
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85 rep = o.rep;
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86
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87 return *this;
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88 }
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89
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90 // constant iteration support. non-const iteration intentionally unsupported.
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91
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92 typedef std::map<std::string, octave_idx_type>::const_iterator const_iterator;
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93 typedef const_iterator iterator;
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94
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95 const_iterator begin (void) const { return rep->begin (); }
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96 const_iterator end (void) const { return rep->end (); }
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97
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98 std::string key (const_iterator p) const { return p->first; }
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99 octave_idx_type index (const_iterator p) const { return p->second; }
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100
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101 const_iterator seek (const std::string& k) const
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102 { return rep->find (k); }
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103
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104 // high-level methods.
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105
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106 // number of fields.
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107 octave_idx_type nfields (void) const { return rep->size (); }
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108
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109 // check whether a field exists.
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110 bool isfield (const std::string& name) const;
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111
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112 // get index of field. return -1 if not exist
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113 octave_idx_type getfield (const std::string& name) const;
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114 // get index of field. add if not exist
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115 octave_idx_type getfield (const std::string& name);
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116 // remove field and return the index. -1 if didn't exist.
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117 octave_idx_type rmfield (const std::string& name);
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118
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119 // order the fields of this map. creates a permutation
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120 // used to order the fields.
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121 void orderfields (Array<octave_idx_type>& perm);
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122
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123 // compares two instances for equality up to order of fields.
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124 // returns a permutation needed to bring the fields of *other*
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125 // into the order of *this*.
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126 bool equal_up_to_order (const octave_fields& other,
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127 Array<octave_idx_type>& perm) const;
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128
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129 bool is_same (const octave_fields& other) const
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130 { return rep == other.rep; }
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131
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132 // Returns the fields as a vector of strings.
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133 string_vector fieldnames (void) const;
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134
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135 void clear (void)
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136 {
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137 *this = octave_fields ();
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138 }
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139 };
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140
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141
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142 class OCTINTERP_API
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143 octave_scalar_map
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144 {
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145 octave_scalar_map (const octave_fields& k)
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146 : xkeys (k), xvals (k.nfields ()) { }
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147
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148 public:
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149
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150 octave_scalar_map (void) : xkeys (), xvals () { }
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151
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152 octave_scalar_map (const string_vector& k)
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153 : xkeys (k), xvals (k.length ()) { }
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154
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155 octave_scalar_map (const octave_scalar_map& m)
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156 : xkeys (m.xkeys), xvals(m.xvals) { }
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157
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158 octave_scalar_map& operator = (const octave_scalar_map& m)
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159 {
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160 xkeys = m.xkeys;
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161 xvals = m.xvals;
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162
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163 return *this;
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164 }
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165
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166 // iteration support. note that both const and non-const iterators are the
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167 // same. The const/non-const distinction is made by the key & contents method.
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168 typedef octave_fields::const_iterator const_iterator;
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169 typedef const_iterator iterator;
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170
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171 const_iterator begin (void) const { return xkeys.begin (); }
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172 const_iterator end (void) const { return xkeys.end (); }
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173
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174 const_iterator seek (const std::string& k) const { return xkeys.seek (k); }
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175
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176 std::string key (const_iterator p) const
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177 { return xkeys.key (p); }
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178 octave_idx_type index (const_iterator p) const
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179 { return xkeys.index (p); }
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180
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181 const octave_value& contents (const_iterator p) const
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182 { return xvals[xkeys.index (p)]; }
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183
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184 octave_value& contents (iterator p)
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185 { return xvals[xkeys.index (p)]; }
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186
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187 const octave_value& contents (octave_idx_type i) const
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188 { return xvals[i]; }
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189
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190 octave_value& contents (octave_idx_type i)
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191 { return xvals[i]; }
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192
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193 // number of fields.
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194 octave_idx_type nfields (void) const { return xkeys.nfields (); }
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195
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196 // check whether a field exists.
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197 bool isfield (const std::string& name) const
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198 { return xkeys.isfield (name); }
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199
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200 bool contains (const std::string& name) const
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201 { return isfield (name); }
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202
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203 string_vector fieldnames (void) const
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204 { return xkeys.fieldnames (); }
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205
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206 string_vector keys (void) const
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207 { return fieldnames (); }
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208
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209 // get contents of a given field. empty value if not exist.
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210 octave_value getfield (const std::string& key) const;
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211
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212 // set contents of a given field. add if not exist.
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213 void setfield (const std::string& key, const octave_value& val);
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214
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215 // remove a given field. do nothing if not exist.
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216 void rmfield (const std::string& key);
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217 void del (const std::string& k) { rmfield (k); }
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218
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219 // return a copy with fields ordered, optionally along with permutation.
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220 octave_scalar_map orderfields (void) const;
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221 octave_scalar_map orderfields (Array<octave_idx_type>& perm) const;
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222 octave_scalar_map orderfields (const octave_scalar_map& other,
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223 Array<octave_idx_type>& perm) const;
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224
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225 // aka getfield/setfield, but the latter returns a reference.
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226 octave_value contents (const std::string& k) const;
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227 octave_value& contents (const std::string& k);
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228
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229 void clear (void)
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230 {
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231 xkeys.clear ();
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232 xvals.clear ();
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233 }
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234
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235 friend class octave_map;
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236
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237 private:
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238
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239 octave_fields xkeys;
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240 std::vector<octave_value> xvals;
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241
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242 };
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243
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244 class OCTINTERP_API
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245 octave_map
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246 {
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247 octave_map (const octave_fields& k)
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248 : xkeys (k), xvals (k.nfields ()), dimensions () { }
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249
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250 public:
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251
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252 octave_map (void) : xkeys (), xvals (), dimensions () { }
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253
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254 octave_map (const dim_vector& dv) : xkeys (), xvals (), dimensions (dv) { }
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255
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256 octave_map (const string_vector& k)
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257 : xkeys (k), xvals (k.length ()), dimensions (1, 1) { }
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258
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259 octave_map (const dim_vector& dv, const string_vector& k)
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260 : xkeys (k), xvals (k.length ()), dimensions (dv) { }
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261
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262 octave_map (const octave_map& m)
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263 : xkeys (m.xkeys), xvals (m.xvals), dimensions (m.dimensions) { }
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264
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265 octave_map (const octave_scalar_map& m);
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266
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267 octave_map (const Octave_map& m);
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268
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269 octave_map& operator = (const octave_map& m)
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270 {
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271 xkeys = m.xkeys;
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272 xvals = m.xvals;
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273 dimensions = m.dimensions;
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274
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275 return *this;
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276 }
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277
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278 // iteration support. note that both const and non-const iterators are the
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279 // same. The const/non-const distinction is made by the key & contents method.
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280 typedef octave_fields::const_iterator const_iterator;
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281 typedef const_iterator iterator;
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282
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283 const_iterator begin (void) const { return xkeys.begin (); }
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284 const_iterator end (void) const { return xkeys.end (); }
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285
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286 const_iterator seek (const std::string& k) const { return xkeys.seek (k); }
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287
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288 std::string key (const_iterator p) const
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289 { return xkeys.key (p); }
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290 octave_idx_type index (const_iterator p) const
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291 { return xkeys.index (p); }
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292
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293 const Cell& contents (const_iterator p) const
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294 { return xvals[xkeys.index (p)]; }
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295
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296 Cell& contents (iterator p)
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297 { return xvals[xkeys.index (p)]; }
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298
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299 const Cell& contents (octave_idx_type i) const
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300 { return xvals[i]; }
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301
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302 Cell& contents (octave_idx_type i)
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303 { return xvals[i]; }
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304
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305 // number of fields.
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306 octave_idx_type nfields (void) const { return xkeys.nfields (); }
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307
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308 // check whether a field exists.
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309 bool isfield (const std::string& name) const
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310 { return xkeys.isfield (name); }
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311
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312 bool contains (const std::string& name) const
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313 { return isfield (name); }
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314
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315 string_vector fieldnames (void) const
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316 { return xkeys.fieldnames (); }
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317
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318 string_vector keys (void) const
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319 { return fieldnames (); }
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320
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321 // get contents of a given field. empty value if not exist.
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322 Cell getfield (const std::string& key) const;
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323
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324 // set contents of a given field. add if not exist. checks for
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325 // correct dimensions.
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326 void setfield (const std::string& key, const Cell& val);
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327
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328 // remove a given field. do nothing if not exist.
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329 void rmfield (const std::string& key);
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330 void del (const std::string& k) { rmfield (k); }
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331
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332 // return a copy with fields ordered, optionally along with permutation.
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333 octave_map orderfields (void) const;
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334 octave_map orderfields (Array<octave_idx_type>& perm) const;
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335 octave_map orderfields (const octave_map& other,
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336 Array<octave_idx_type>& perm) const;
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337
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338 // aka getfield/setfield, but the latter returns a reference.
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339 Cell contents (const std::string& k) const;
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340 Cell& contents (const std::string& k);
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341
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342 void clear (void)
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343 {
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344 xkeys.clear ();
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345 xvals.clear ();
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346 }
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347
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348 // The Array-like methods.
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349 octave_idx_type numel (void) const { return dimensions.numel (); }
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350 octave_idx_type length (void) const { return numel (); }
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351
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352 octave_idx_type rows (void) const { return dimensions(0); }
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353 octave_idx_type cols (void) const { return dimensions(1); }
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354 octave_idx_type columns (void) const { return dimensions(1); }
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355
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356 // Extract a scalar substructure.
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357 octave_scalar_map checkelem (octave_idx_type n) const;
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358 octave_scalar_map checkelem (octave_idx_type i, octave_idx_type j) const;
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359
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360 octave_scalar_map
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361 checkelem (const Array<octave_idx_type>& ra_idx) const;
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362
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363 octave_map squeeze (void) const;
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364
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365 octave_map permute (const Array<int>& vec, bool inv = false) const;
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366
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367 dim_vector dims (void) const { return dimensions; }
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368
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369 int ndims (void) const { return dimensions.length (); }
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370
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371 octave_map transpose (void) const;
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372
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373 octave_map reshape (const dim_vector& dv) const;
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374
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375 void resize (const dim_vector& dv, bool fill = false);
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376
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377 static octave_map
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378 cat (int dim, octave_idx_type n, const octave_scalar_map *map_list);
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379
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380 static octave_map
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381 cat (int dim, octave_idx_type n, const octave_map *map_list);
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382
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383 octave_map index (const idx_vector& i, bool resize_ok = false) const;
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384
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385 octave_map index (const idx_vector& i, const idx_vector& j,
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386 bool resize_ok = false) const;
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387
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388 octave_map index (const Array<idx_vector>& ia,
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389 bool resize_ok = false) const;
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390
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391 octave_map index (const octave_value_list&, bool resize_ok = false) const;
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392
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393 void assign (const idx_vector& i, const octave_map& rhs);
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394
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395 void assign (const idx_vector& i, const idx_vector& j, const octave_map& rhs);
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396
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397 void assign (const Array<idx_vector>& ia, const octave_map& rhs);
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398
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399 void assign (const octave_value_list&, const octave_map& rhs);
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400
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401 void delete_elements (const idx_vector& i);
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402
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403 void delete_elements (int dim, const idx_vector& i);
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404
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405 void delete_elements (const Array<idx_vector>& ia);
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406
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407 void delete_elements (const octave_value_list&);
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408
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409 octave_map concat (const octave_map& rb, const Array<octave_idx_type>& ra_idx);
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410
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411 private:
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412
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413 octave_fields xkeys;
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414 std::vector<Cell> xvals;
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415 dim_vector dimensions;
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416
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417 void optimize_dimensions (void);
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418 void extract_scalar (octave_scalar_map& dest,
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419 octave_idx_type index) const;
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420 static void do_cat (int dim, octave_idx_type n,
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421 const octave_scalar_map *map_list, octave_map& retval);
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422 static void do_cat (int dim, octave_idx_type n,
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423 const octave_map *map_list, octave_map& retval);
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424 };
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425
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426 // The original Octave_map object. Octave_map and octave_map are convertible to
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427 // each other.
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428
746
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429 class
6109
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430 OCTINTERP_API
3931
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431 Octave_map
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432 {
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433 public:
4219
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434
4513
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435 typedef std::map<std::string, Cell>::iterator iterator;
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436 typedef std::map<std::string, Cell>::const_iterator const_iterator;
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437
5880
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438 typedef std::list<std::string>::iterator key_list_iterator;
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439 typedef std::list<std::string>::const_iterator const_key_list_iterator;
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diff changeset
440
4744
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diff changeset
441 // Warning! You should always use at least two dimensions.
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diff changeset
442
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diff changeset
443 Octave_map (const dim_vector& dv = dim_vector (0, 0),
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diff changeset
444 const Cell& key_vals = Cell ());
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445
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diff changeset
446 Octave_map (const std::string& k, const octave_value& value)
5880
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diff changeset
447 : map (), key_list (), dimensions (1, 1)
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diff changeset
448 {
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diff changeset
449 map[k] = value;
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diff changeset
450 key_list.push_back (k);
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451 }
4513
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452
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Søren Hauberg <soren@hauberg.org>
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diff changeset
453 Octave_map (const string_vector& sv,
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Søren Hauberg <soren@hauberg.org>
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diff changeset
454 const dim_vector& dv = dim_vector (0, 0))
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Søren Hauberg <soren@hauberg.org>
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diff changeset
455 : 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
456 {
70f5a0375afd oct-map.h: fix think-o in previous change
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diff changeset
457 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
458 {
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459 std::string k = sv[i];
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diff changeset
460 map[k] = Cell (dv);
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461 key_list.push_back (k);
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462 }
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463 }
70f5a0375afd oct-map.h: fix think-o in previous change
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464
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diff changeset
465 Octave_map (const std::string& k, const Cell& vals)
5880
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466 : map (), key_list (), dimensions (vals.dims ())
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467 {
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468 map[k] = vals;
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469 key_list.push_back (k);
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diff changeset
470 }
746
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471
4587
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diff changeset
472 Octave_map (const std::string& k, const octave_value_list& val_list)
5880
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diff changeset
473 : map (), key_list (), dimensions (1, val_list.length ())
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diff changeset
474 {
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diff changeset
475 map[k] = val_list;
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diff changeset
476 key_list.push_back (k);
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
477 }
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diff changeset
478
5880
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diff changeset
479 Octave_map (const Octave_map& m)
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
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diff changeset
480 : map (m.map), key_list (m.key_list), dimensions (m.dimensions) { }
3931
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diff changeset
481
10742
604e13a89c7f initial code for structs rewrite
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diff changeset
482 Octave_map (const octave_map& m);
604e13a89c7f initial code for structs rewrite
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diff changeset
483
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diff changeset
484 Octave_map& operator = (const Octave_map& m)
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
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diff changeset
485 {
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
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diff changeset
486 if (this != &m)
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diff changeset
487 {
f3b65e1ae355 untabify src header files
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diff changeset
488 map = m.map;
f3b65e1ae355 untabify src header files
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diff changeset
489 key_list = m.key_list;
f3b65e1ae355 untabify src header files
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diff changeset
490 dimensions = m.dimensions;
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John W. Eaton <jwe@octave.org>
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diff changeset
491 }
4561
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parents: 4513
diff changeset
492
3931
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diff changeset
493 return *this;
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diff changeset
494 }
746
46f6f6a4f5c6 [project @ 1994-09-30 15:05:10 by jwe]
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diff changeset
495
46f6f6a4f5c6 [project @ 1994-09-30 15:05:10 by jwe]
jwe
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diff changeset
496 ~Octave_map (void) { }
1279
f146197d9d37 [project @ 1995-04-26 17:41:20 by jwe]
jwe
parents: 1009
diff changeset
497
7046
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dbateman
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diff changeset
498 Octave_map squeeze (void) const;
fbf8576cf399 [project @ 2007-10-22 12:12:20 by dbateman]
dbateman
parents: 7017
diff changeset
499
fbf8576cf399 [project @ 2007-10-22 12:12:20 by dbateman]
dbateman
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diff changeset
500 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
501
3932
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diff changeset
502 // This is the number of keys.
6639
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diff changeset
503 octave_idx_type nfields (void) const { return map.size (); }
3931
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diff changeset
504
4587
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diff changeset
505 void del (const std::string& k)
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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diff changeset
506 {
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
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diff changeset
507 iterator p = map.find (k);
5881
70b3f8f1a793 [project @ 2006-07-08 03:54:17 by jwe]
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diff changeset
508
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
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diff changeset
509 if (p != map.end ())
10313
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diff changeset
510 {
f3b65e1ae355 untabify src header files
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diff changeset
511 map.erase (p);
5880
84ca47e311b3 [project @ 2006-07-06 22:34:48 by jwe]
jwe
parents: 5781
diff changeset
512
10313
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diff changeset
513 key_list_iterator q
f3b65e1ae355 untabify src header files
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diff changeset
514 = std::find (key_list.begin (), key_list.end (), k);
5881
70b3f8f1a793 [project @ 2006-07-08 03:54:17 by jwe]
jwe
parents: 5880
diff changeset
515
10313
f3b65e1ae355 untabify src header files
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diff changeset
516 assert (q != key_list.end ());
5881
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diff changeset
517
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diff changeset
518 key_list.erase (q);
f3b65e1ae355 untabify src header files
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diff changeset
519 }
4219
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diff changeset
520 }
3931
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diff changeset
521
4219
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diff changeset
522 iterator begin (void) { return iterator (map.begin ()); }
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4200
diff changeset
523 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
524
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4200
diff changeset
525 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
526 const_iterator end (void) const { return const_iterator (map.end ()); }
3931
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diff changeset
527
4219
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parents: 4200
diff changeset
528 std::string key (const_iterator p) const { return p->first; }
3931
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parents: 3523
diff changeset
529
5328
322ab0da00f8 [project @ 2005-05-02 10:48:43 by jwe]
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parents: 5307
diff changeset
530 Cell& contents (const std::string& k);
4675
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe]
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parents: 4587
diff changeset
531 Cell contents (const std::string& k) const;
3931
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
jwe
parents: 3523
diff changeset
532
9129
17a3df1d992b avoid double lookups when iterating Octave_map
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
533 Cell& contents (iterator p)
17a3df1d992b avoid double lookups when iterating Octave_map
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
534 { return p->second; }
5328
322ab0da00f8 [project @ 2005-05-02 10:48:43 by jwe]
jwe
parents: 5307
diff changeset
535
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4435
diff changeset
536 Cell contents (const_iterator p) const
9129
17a3df1d992b avoid double lookups when iterating Octave_map
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
537 { return p->second; }
3931
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
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parents: 3523
diff changeset
538
5156
7c3b22bafedc [project @ 2005-02-22 17:42:15 by jwe]
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parents: 5105
diff changeset
539 int intfield (const std::string& k, int def_val = 0) const;
7c3b22bafedc [project @ 2005-02-22 17:42:15 by jwe]
jwe
parents: 5105
diff changeset
540
7c3b22bafedc [project @ 2005-02-22 17:42:15 by jwe]
jwe
parents: 5105
diff changeset
541 std::string stringfield (const std::string& k,
10313
f3b65e1ae355 untabify src header files
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parents: 10160
diff changeset
542 const std::string& def_val = std::string ()) const;
5156
7c3b22bafedc [project @ 2005-02-22 17:42:15 by jwe]
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parents: 5105
diff changeset
543
5328
322ab0da00f8 [project @ 2005-05-02 10:48:43 by jwe]
jwe
parents: 5307
diff changeset
544 iterator seek (const std::string& k) { return map.find (k); }
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
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diff changeset
545 const_iterator seek (const std::string& k) const { return map.find (k); }
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4200
diff changeset
546
4817
6430596f2238 [project @ 2004-03-04 21:13:33 by jwe]
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parents: 4806
diff changeset
547 bool contains (const std::string& k) const
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
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parents: 4567
diff changeset
548 { return (seek (k) != map.end ()); }
3931
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
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diff changeset
549
5925
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jwe
parents: 5882
diff changeset
550 void clear (void)
fe5cedbf3806 [project @ 2006-08-14 19:08:36 by jwe]
jwe
parents: 5882
diff changeset
551 {
fe5cedbf3806 [project @ 2006-08-14 19:08:36 by jwe]
jwe
parents: 5882
diff changeset
552 map.clear ();
fe5cedbf3806 [project @ 2006-08-14 19:08:36 by jwe]
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parents: 5882
diff changeset
553 key_list.clear ();
fe5cedbf3806 [project @ 2006-08-14 19:08:36 by jwe]
jwe
parents: 5882
diff changeset
554 }
3931
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
jwe
parents: 3523
diff changeset
555
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3932
diff changeset
556 string_vector keys (void) const;
3931
311981a9726d [project @ 2002-05-07 04:49:53 by jwe]
jwe
parents: 3523
diff changeset
557
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5156
diff changeset
558 octave_idx_type rows (void) const { return dimensions(0); }
4561
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jwe
parents: 4513
diff changeset
559
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5156
diff changeset
560 octave_idx_type columns (void) const { return dimensions(1); }
4200
1f04df06e1a6 [project @ 2002-11-22 16:25:49 by jwe]
jwe
parents: 4197
diff changeset
561
4561
e84592dc70b9 [project @ 2003-10-28 21:07:59 by jwe]
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parents: 4513
diff changeset
562 dim_vector dims (void) const { return dimensions; }
4200
1f04df06e1a6 [project @ 2002-11-22 16:25:49 by jwe]
jwe
parents: 4197
diff changeset
563
5435
66ad03c58880 [project @ 2005-08-31 20:41:47 by jwe]
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parents: 5328
diff changeset
564 int ndims (void) const { return dimensions.length (); }
66ad03c58880 [project @ 2005-08-31 20:41:47 by jwe]
jwe
parents: 5328
diff changeset
565
5571
9fc532d861d4 [project @ 2005-12-12 20:45:16 by jwe]
jwe
parents: 5435
diff changeset
566 Octave_map transpose (void) const;
9fc532d861d4 [project @ 2005-12-12 20:45:16 by jwe]
jwe
parents: 5435
diff changeset
567
4567
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
jwe
parents: 4561
diff changeset
568 Octave_map reshape (const dim_vector& new_dims) const;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
jwe
parents: 4561
diff changeset
569
5781
faafc2d98b8d [project @ 2006-05-02 19:40:19 by jwe]
jwe
parents: 5731
diff changeset
570 void resize (const dim_vector& dv, bool fill = false);
4936
e63617efbd3f [project @ 2004-08-06 16:18:17 by jwe]
jwe
parents: 4915
diff changeset
571
6639
ed74670db09b [project @ 2007-05-21 19:47:22 by jwe]
jwe
parents: 6109
diff changeset
572 octave_idx_type numel (void) const { return dimensions.numel (); }
3932
2e2e32198722 [project @ 2002-05-07 18:10:44 by jwe]
jwe
parents: 3931
diff changeset
573
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5156
diff changeset
574 Octave_map concat (const Octave_map& rb, const Array<octave_idx_type>& ra_idx);
4806
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe]
jwe
parents: 4744
diff changeset
575
5592
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5571
diff changeset
576 Octave_map& maybe_delete_elements (const octave_value_list& idx);
61d6cebd243b [project @ 2006-01-12 17:55:22 by dbateman]
dbateman
parents: 5571
diff changeset
577
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4435
diff changeset
578 Octave_map& assign (const octave_value_list& idx, const Octave_map& rhs);
4197
40f76ce7a051 [project @ 2002-11-21 18:56:25 by jwe]
jwe
parents: 4192
diff changeset
579
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4567
diff changeset
580 Octave_map& assign (const octave_value_list& idx, const std::string& k,
10313
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John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
581 const Cell& rhs);
3932
2e2e32198722 [project @ 2002-05-07 18:10:44 by jwe]
jwe
parents: 3931
diff changeset
582
4675
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe]
jwe
parents: 4587
diff changeset
583 Octave_map& assign (const std::string& k, const octave_value& rhs);
f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe]
jwe
parents: 4587
diff changeset
584
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4567
diff changeset
585 Octave_map& assign (const std::string& k, const Cell& rhs);
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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586
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587 Octave_map index (const octave_value_list& idx,
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588 bool resize_ok = false) const;
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589
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590 private:
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591
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592 // The map of names to values.
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593 std::map<std::string, Cell> map;
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594
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595 // An extra list of keys, so we can keep track of the order the keys
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596 // are added for compatibility with you know what.
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597 std::list<std::string> key_list;
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598
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599 // The current size.
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600 mutable dim_vector dimensions;
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601
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602 void maybe_add_to_key_list (const std::string& k)
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603 {
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604 if (! contains (k))
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605 key_list.push_back (k);
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606 }
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607 };
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608
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609 #endif