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1 /* |
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2 |
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3 Copyright (C) 1999 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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4192
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23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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3353
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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3503
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31 #include <iostream> |
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32 |
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4051
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33 #include "lo-sstream.h" |
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3353
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34 #include "lo-utils.h" |
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4153
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35 #include "quit.h" |
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36 |
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37 #include "defun.h" |
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38 #include "error.h" |
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39 #include "ov-cell.h" |
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3354
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40 #include "oct-obj.h" |
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3353
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41 #include "unwind-prot.h" |
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3354
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42 #include "utils.h" |
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3928
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43 #include "ov-base-mat.h" |
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44 #include "ov-base-mat.cc" |
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45 #include "ov-re-mat.h" |
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46 #include "ov-scalar.h" |
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47 |
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48 template class octave_base_matrix<Cell>; |
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49 |
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50 DEFINE_OCTAVE_ALLOCATOR (octave_cell); |
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51 |
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4612
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52 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell", "cell"); |
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3353
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53 |
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3933
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54 octave_value |
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4247
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55 octave_cell::subsref (const std::string& type, |
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4219
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56 const std::list<octave_value_list>& idx) |
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3933
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57 { |
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58 octave_value retval; |
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59 |
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60 switch (type[0]) |
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61 { |
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62 case '(': |
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63 retval = do_index_op (idx.front ()); |
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64 break; |
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65 |
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66 case '{': |
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67 { |
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68 octave_value tmp = do_index_op (idx.front ()); |
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69 |
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4582
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70 if (! error_state) |
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3933
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71 { |
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4582
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72 Cell tcell = tmp.cell_value (); |
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73 |
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74 if (tcell.length () == 1) |
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75 retval = tcell(0,0); |
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76 else |
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77 { |
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78 int nr = tcell.rows (); |
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79 int nc = tcell.columns (); |
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80 octave_value_list lst (nr * nc, octave_value ()); |
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81 int k = 0; |
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82 for (int j = 0; j < nc; j++) |
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83 for (int i = 0; i < nr; i++) |
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84 { |
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85 OCTAVE_QUIT; |
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86 lst(k++) = tcell(i,j); |
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87 } |
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88 retval = octave_value (lst, true); |
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89 } |
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3933
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90 } |
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91 } |
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92 break; |
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93 |
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94 case '.': |
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95 { |
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96 std::string nm = type_name (); |
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97 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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98 } |
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99 break; |
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100 |
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101 default: |
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102 panic_impossible (); |
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103 } |
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104 |
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105 return retval.next_subsref (type, idx); |
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106 } |
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107 |
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108 octave_value |
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4247
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109 octave_cell::subsasgn (const std::string& type, |
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4219
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110 const std::list<octave_value_list>& idx, |
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111 const octave_value& rhs) |
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112 { |
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113 octave_value retval; |
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114 |
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115 int n = type.length (); |
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116 |
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117 octave_value t_rhs = rhs; |
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118 |
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119 if (n > 1) |
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120 { |
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121 switch (type[0]) |
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122 { |
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123 case '(': |
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124 { |
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125 octave_value tmp = do_index_op (idx.front (), true); |
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126 |
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127 if (! tmp.is_defined ()) |
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128 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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129 |
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130 if (! error_state) |
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131 { |
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4219
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132 std::list<octave_value_list> next_idx (idx); |
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133 |
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4219
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134 next_idx.erase (next_idx.begin ()); |
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135 |
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136 tmp.make_unique (); |
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137 |
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138 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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139 } |
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140 } |
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141 break; |
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142 |
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143 case '{': |
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144 { |
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145 octave_value tmp = do_index_op (idx.front (), true); |
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146 |
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147 if (! tmp.is_defined ()) |
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148 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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149 |
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4362
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150 if (! error_state) |
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151 { |
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152 Cell tcell = tmp.cell_value (); |
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153 |
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154 if (! error_state && tcell.length () == 1) |
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155 { |
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156 tmp = tcell(0,0); |
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3933
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157 |
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4362
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158 std::list<octave_value_list> next_idx (idx); |
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159 |
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160 next_idx.erase (next_idx.begin ()); |
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161 |
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162 tmp.make_unique (); |
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163 |
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164 if (! tmp.is_defined () || tmp.is_empty ()) |
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165 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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166 |
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167 if (! error_state) |
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168 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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4362
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169 } |
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3933
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170 } |
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171 } |
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172 break; |
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173 |
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174 case '.': |
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175 { |
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176 std::string nm = type_name (); |
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177 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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178 } |
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179 break; |
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180 |
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181 default: |
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182 panic_impossible (); |
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183 } |
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184 } |
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185 |
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3940
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186 if (! error_state) |
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187 { |
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3940
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188 switch (type[0]) |
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189 { |
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190 case '(': |
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191 { |
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192 octave_value_list i = idx.front (); |
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193 |
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194 if (t_rhs.is_cell ()) |
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195 octave_base_matrix<Cell>::assign (i, t_rhs.cell_value ()); |
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196 else |
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197 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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198 |
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199 retval = octave_value (this, count + 1); |
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200 } |
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201 break; |
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202 |
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3940
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203 case '{': |
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204 { |
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205 octave_value_list i = idx.front (); |
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206 |
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207 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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208 |
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209 retval = octave_value (this, count + 1); |
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210 } |
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211 break; |
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212 |
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213 case '.': |
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214 { |
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215 std::string nm = type_name (); |
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216 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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217 } |
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218 break; |
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219 |
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220 default: |
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221 panic_impossible (); |
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222 } |
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3933
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223 } |
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224 |
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225 return retval; |
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226 } |
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227 |
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3353
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228 void |
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229 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) |
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230 { |
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231 if (rhs.is_cell ()) |
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232 octave_base_matrix<Cell>::assign (idx, rhs.cell_value ()); |
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233 else |
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234 octave_base_matrix<Cell>::assign (idx, Cell (rhs)); |
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235 } |
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236 |
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3933
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237 octave_value_list |
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238 octave_cell::list_value (void) const |
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239 { |
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240 octave_value_list retval; |
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241 |
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242 int nr = rows (); |
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243 int nc = columns (); |
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244 |
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245 if (nr == 1 && nc > 0) |
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246 { |
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247 retval.resize (nc); |
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248 |
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249 for (int i = 0; i < nc; i++) |
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250 retval(i) = matrix(0,i); |
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251 } |
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252 else if (nc == 1 && nr > 0) |
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253 { |
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254 retval.resize (nr); |
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255 |
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256 for (int i = 0; i < nr; i++) |
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257 retval(i) = matrix(i,0); |
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258 } |
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259 else |
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260 error ("invalid conversion from cell array to list"); |
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261 |
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262 return retval; |
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263 } |
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264 |
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4243
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265 string_vector |
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4457
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266 octave_cell::all_strings (bool pad, bool) const |
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4243
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267 { |
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4358
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268 string_vector retval; |
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269 |
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4243
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270 int nr = rows (); |
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271 int nc = columns (); |
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272 |
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4358
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273 int n_elts = 0; |
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274 |
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275 int max_len = 0; |
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276 |
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277 if (pad) |
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278 { |
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279 for (int j = 0; j < nc; j++) |
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280 { |
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281 for (int i = 0; i < nr; i++) |
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282 { |
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283 string_vector s = matrix(i,j).all_strings (); |
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284 |
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285 if (error_state) |
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286 return retval; |
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287 |
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288 n_elts += s.length (); |
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289 |
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290 int s_max_len = s.max_length (); |
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291 |
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292 if (s_max_len > max_len) |
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293 max_len = s_max_len; |
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294 } |
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295 } |
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296 } |
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297 |
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298 retval.resize (n_elts); |
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4243
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299 |
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300 int k = 0; |
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301 |
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302 for (int j = 0; j < nc; j++) |
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303 { |
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304 for (int i = 0; i < nr; i++) |
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305 { |
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4358
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306 string_vector s = matrix(i,j).all_strings (); |
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307 |
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308 int n = s.length (); |
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4243
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309 |
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4358
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310 for (int ii = 0; ii < n; ii++) |
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311 { |
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312 std::string t = s[ii]; |
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313 int t_len = t.length (); |
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314 |
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315 if (pad && max_len > t_len) |
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316 t += std::string (max_len - t_len, ' '); |
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317 |
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318 retval[k++] = t; |
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319 } |
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4243
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320 } |
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321 } |
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322 |
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4358
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323 |
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324 |
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4243
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325 return retval; |
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326 } |
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327 |
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4604
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328 bool |
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329 octave_cell::print_as_scalar (void) const |
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330 { |
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331 return (ndims () > 2 || numel () == 0); |
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332 } |
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333 |
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3933
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334 void |
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335 octave_cell::print (std::ostream& os, bool) const |
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336 { |
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337 print_raw (os); |
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338 } |
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339 |
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340 void |
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341 octave_cell::print_raw (std::ostream& os, bool) const |
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342 { |
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4587
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343 int nd = matrix.ndims (); |
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4513
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344 |
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4587
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345 if (nd == 2) |
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4513
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346 { |
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347 int nr = rows (); |
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348 int nc = columns (); |
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349 |
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350 if (nr > 0 && nc > 0) |
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351 { |
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352 indent (os); |
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353 os << "{"; |
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354 newline (os); |
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355 |
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356 increment_indent_level (); |
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357 |
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358 for (int j = 0; j < nc; j++) |
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359 { |
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360 for (int i = 0; i < nr; i++) |
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361 { |
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362 OCTAVE_QUIT; |
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363 |
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364 OSSTREAM buf; |
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365 buf << "[" << i+1 << "," << j+1 << "]" << OSSTREAM_ENDS; |
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3933
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366 |
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4513
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367 octave_value val = matrix(i,j); |
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368 |
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369 val.print_with_name (os, OSSTREAM_STR (buf)); |
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370 |
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371 OSSTREAM_FREEZE (buf); |
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372 } |
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373 } |
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374 |
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375 decrement_indent_level (); |
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376 |
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377 indent (os); |
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378 os << "}"; |
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379 newline (os); |
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380 } |
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381 else |
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382 { |
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383 os << "{}"; |
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384 if (nr > 0 || nc > 0) |
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385 os << "(" << nr << "x" << nc << ")"; |
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386 os << "\n"; |
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387 } |
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388 } |
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389 else |
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3933
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390 { |
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391 indent (os); |
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4513
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392 dim_vector dv = matrix.dims (); |
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4587
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393 os << "{" << dv.str () << " Cell Array}"; |
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3933
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394 newline (os); |
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395 } |
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396 } |
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397 |
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3354
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398 DEFUN (iscell, args, , |
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3448
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399 "-*- texinfo -*-\n\ |
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400 @deftypefn {Built-in Function} {} iscell (@var{x})\n\ |
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401 Return true if @var{x} is a cell array object. Otherwise, return\n\ |
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402 false.\n\ |
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403 @end deftypefn") |
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3354
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404 { |
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405 octave_value retval; |
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406 |
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407 if (args.length () == 1) |
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408 retval = args(0).is_cell (); |
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409 else |
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410 print_usage ("iscell"); |
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411 |
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412 return retval; |
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413 } |
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414 |
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415 DEFUN (cell, args, , |
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3448
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416 "-*- texinfo -*-\n\ |
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417 @deftypefn {Built-in Function} {} cell (@var{x})\n\ |
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418 @deftypefnx {Built-in Function} {} cell (@var{n}, @var{m})\n\ |
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419 Create a new cell array object. If invoked with a single scalar\n\ |
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420 argument, @code{cell} returns a square cell array with the dimension\n\ |
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421 specified. If you supply two scalar arguments, @code{cell} takes\n\ |
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422 them to be the number of rows and columns. If given a vector with two\n\ |
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423 elements, @code{cell} uses the values of the elements as the number of\n\ |
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424 rows and columns, respectively.\n\ |
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425 @end deftypefn") |
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3354
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426 { |
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427 octave_value retval; |
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428 |
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429 int nargin = args.length (); |
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430 |
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4563
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431 dim_vector dims; |
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432 |
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3354
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433 switch (nargin) |
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434 { |
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4563
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435 case 0: |
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436 dims = dim_vector (0, 0); |
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3354
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437 break; |
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438 |
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4563
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439 case 1: |
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440 get_dimensions (args(0), "cell", dims); |
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3354
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441 break; |
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442 |
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443 default: |
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4563
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444 { |
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445 dims.resize (nargin); |
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446 |
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447 for (int i = 0; i < nargin; i++) |
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448 { |
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449 dims(i) = args(i).is_empty () ? 0 : args(i).nint_value (); |
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450 |
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451 if (error_state) |
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452 { |
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453 error ("cell: expecting scalar arguments"); |
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454 break; |
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455 } |
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456 } |
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457 } |
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3354
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458 break; |
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459 } |
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460 |
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4563
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461 if (! error_state) |
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462 { |
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463 int ndim = dims.length (); |
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464 |
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465 check_dimensions (dims, "cell"); |
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466 |
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467 if (! error_state) |
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468 { |
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469 switch (ndim) |
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470 { |
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471 case 1: |
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472 retval = Cell (dims(0), dims(0), Matrix ()); |
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473 break; |
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474 |
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475 default: |
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476 retval = Cell (dims, Matrix ()); |
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477 break; |
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478 } |
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479 } |
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480 } |
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481 |
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3354
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482 return retval; |
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483 } |
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484 |
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4358
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485 DEFUN (cellstr, args, , |
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|
486 "-*- texinfo -*-\n\ |
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|
487 @deftypefn {Built-in Function} {} cellstr (@var{string})\n\ |
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|
488 Create a new cell array object from the elements of the string\n\ |
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489 array @var{string}.\n\ |
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490 @end deftypefn") |
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491 { |
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492 octave_value retval; |
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493 |
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494 if (args.length () == 1) |
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495 { |
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496 string_vector s = args(0).all_strings (); |
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497 |
|
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498 if (! error_state) |
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499 retval = Cell (s); |
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500 else |
|
|
501 error ("cellstr: expecting argument to be a string"); |
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|
502 } |
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503 else |
|
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504 print_usage ("cellstr"); |
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505 |
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506 return retval; |
|
|
507 } |
|
|
508 |
|
4610
|
509 DEFUN (iscellstr, args, , |
|
|
510 "-*- texinfo -*-\n\ |
|
|
511 @deftypefn {Built-in Function} {} iscellstr (@var{cell})\n\ |
|
|
512 Return true if every element of the cell array @var{cell} is a\n\ |
|
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513 character string\n\ |
|
|
514 @end deftypefn") |
|
|
515 { |
|
|
516 octave_value retval = true; |
|
|
517 |
|
|
518 if (args.length () == 1) |
|
|
519 { |
|
|
520 octave_value arg = args (0); |
|
|
521 |
|
|
522 if (arg.is_cell ()) |
|
|
523 { |
|
|
524 Cell c = args(0).cell_value (); |
|
|
525 |
|
|
526 if (! error_state) |
|
|
527 { |
|
|
528 for (int i = 0; i < c.length (); i++) |
|
|
529 { |
|
|
530 if (! c(i).is_string ()) |
|
|
531 { |
|
|
532 retval = false; |
|
|
533 break; |
|
|
534 } |
|
|
535 } |
|
|
536 } |
|
|
537 else |
|
|
538 error ("iscellstr: expecting argument to be a cell"); |
|
|
539 } |
|
|
540 else |
|
|
541 retval = false; |
|
|
542 } |
|
|
543 else |
|
|
544 print_usage ("iscellstr"); |
|
|
545 |
|
|
546 return retval; |
|
|
547 } |
|
|
548 |
|
3353
|
549 /* |
|
|
550 ;;; Local Variables: *** |
|
|
551 ;;; mode: C++ *** |
|
|
552 ;;; End: *** |
|
|
553 */ |
