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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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23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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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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33 #include "lo-sstream.h" |
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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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40 #include "oct-obj.h" |
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41 #include "unwind-prot.h" |
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42 #include "utils.h" |
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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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52 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell"); |
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53 |
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54 octave_value |
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55 octave_cell::subsref (const std::string& type, |
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56 const std::list<octave_value_list>& idx) |
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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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70 Cell tcell = tmp.cell_value (); |
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71 |
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72 if (tcell.length () == 1) |
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73 retval = tcell(0,0); |
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74 else |
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75 { |
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76 int nr = tcell.rows (); |
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77 int nc = tcell.columns (); |
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78 octave_value_list lst (nr * nc, octave_value ()); |
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79 int k = 0; |
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80 for (int j = 0; j < nc; j++) |
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81 for (int i = 0; i < nr; i++) |
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82 { |
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83 OCTAVE_QUIT; |
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84 lst(k++) = tcell(i,j); |
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85 } |
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86 retval = octave_value (lst, true); |
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87 } |
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88 } |
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89 break; |
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90 |
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91 case '.': |
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92 { |
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93 std::string nm = type_name (); |
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94 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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95 } |
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96 break; |
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97 |
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98 default: |
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99 panic_impossible (); |
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100 } |
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101 |
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102 return retval.next_subsref (type, idx); |
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103 } |
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104 |
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105 octave_value |
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106 octave_cell::subsasgn (const std::string& type, |
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107 const std::list<octave_value_list>& idx, |
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108 const octave_value& rhs) |
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109 { |
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110 octave_value retval; |
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111 |
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112 int n = type.length (); |
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113 |
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114 octave_value t_rhs = rhs; |
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115 |
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116 if (n > 1) |
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117 { |
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118 switch (type[0]) |
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119 { |
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120 case '(': |
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121 { |
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122 octave_value tmp = do_index_op (idx.front (), true); |
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123 |
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124 if (! tmp.is_defined ()) |
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125 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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126 |
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127 if (! error_state) |
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128 { |
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129 std::list<octave_value_list> next_idx (idx); |
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130 |
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131 next_idx.erase (next_idx.begin ()); |
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132 |
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133 tmp.make_unique (); |
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134 |
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135 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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136 } |
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137 } |
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138 break; |
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139 |
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140 case '{': |
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141 { |
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142 octave_value tmp = do_index_op (idx.front (), true); |
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143 |
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144 if (! tmp.is_defined ()) |
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145 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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146 |
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147 if (! error_state) |
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148 { |
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149 Cell tcell = tmp.cell_value (); |
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150 |
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151 if (! error_state && tcell.length () == 1) |
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152 { |
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153 tmp = tcell(0,0); |
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154 |
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155 std::list<octave_value_list> next_idx (idx); |
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156 |
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157 next_idx.erase (next_idx.begin ()); |
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158 |
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159 tmp.make_unique (); |
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160 |
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161 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); |
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162 } |
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163 } |
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164 } |
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165 break; |
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166 |
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167 case '.': |
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168 { |
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169 std::string nm = type_name (); |
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170 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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171 } |
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172 break; |
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173 |
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174 default: |
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175 panic_impossible (); |
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176 } |
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177 } |
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178 |
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179 if (! error_state) |
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180 { |
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181 switch (type[0]) |
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182 { |
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183 case '(': |
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184 { |
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185 octave_value_list i = idx.front (); |
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186 |
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187 if (t_rhs.is_cell ()) |
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188 octave_base_matrix<Cell>::assign (i, t_rhs.cell_value ()); |
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189 else |
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190 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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191 |
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192 retval = octave_value (this, count + 1); |
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193 } |
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194 break; |
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195 |
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196 case '{': |
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197 { |
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198 octave_value_list i = idx.front (); |
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199 |
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200 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); |
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201 |
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202 retval = octave_value (this, count + 1); |
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203 } |
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204 break; |
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205 |
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206 case '.': |
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207 { |
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208 std::string nm = type_name (); |
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209 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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210 } |
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211 break; |
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212 |
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213 default: |
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214 panic_impossible (); |
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215 } |
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216 } |
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217 |
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218 return retval; |
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219 } |
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220 |
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221 void |
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222 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) |
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223 { |
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224 if (rhs.is_cell ()) |
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225 octave_base_matrix<Cell>::assign (idx, rhs.cell_value ()); |
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226 else |
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227 octave_base_matrix<Cell>::assign (idx, Cell (rhs)); |
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228 } |
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229 |
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230 octave_value_list |
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231 octave_cell::list_value (void) const |
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232 { |
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233 octave_value_list retval; |
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234 |
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235 int nr = rows (); |
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236 int nc = columns (); |
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237 |
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238 if (nr == 1 && nc > 0) |
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239 { |
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240 retval.resize (nc); |
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241 |
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242 for (int i = 0; i < nc; i++) |
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243 retval(i) = matrix(0,i); |
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244 } |
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245 else if (nc == 1 && nr > 0) |
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246 { |
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247 retval.resize (nr); |
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248 |
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249 for (int i = 0; i < nr; i++) |
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250 retval(i) = matrix(i,0); |
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251 } |
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252 else |
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253 error ("invalid conversion from cell array to list"); |
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254 |
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255 return retval; |
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256 } |
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257 |
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258 string_vector |
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259 octave_cell::all_strings (bool pad) const |
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260 { |
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261 string_vector retval; |
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262 |
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263 int nr = rows (); |
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264 int nc = columns (); |
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265 |
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266 int n_elts = 0; |
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267 |
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268 int max_len = 0; |
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269 |
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270 if (pad) |
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271 { |
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272 for (int j = 0; j < nc; j++) |
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273 { |
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274 for (int i = 0; i < nr; i++) |
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275 { |
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276 string_vector s = matrix(i,j).all_strings (); |
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277 |
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278 if (error_state) |
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279 return retval; |
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280 |
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281 n_elts += s.length (); |
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282 |
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283 int s_max_len = s.max_length (); |
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284 |
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285 if (s_max_len > max_len) |
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286 max_len = s_max_len; |
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287 } |
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288 } |
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289 } |
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290 |
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291 retval.resize (n_elts); |
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292 |
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293 int k = 0; |
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294 |
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295 for (int j = 0; j < nc; j++) |
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296 { |
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297 for (int i = 0; i < nr; i++) |
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298 { |
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299 string_vector s = matrix(i,j).all_strings (); |
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300 |
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301 int n = s.length (); |
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302 |
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303 for (int ii = 0; ii < n; ii++) |
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304 { |
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305 std::string t = s[ii]; |
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306 int t_len = t.length (); |
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307 |
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308 if (pad && max_len > t_len) |
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309 t += std::string (max_len - t_len, ' '); |
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310 |
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311 retval[k++] = t; |
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312 } |
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313 } |
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314 } |
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315 |
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316 |
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317 |
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318 return retval; |
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319 } |
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320 |
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321 void |
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322 octave_cell::print (std::ostream& os, bool) const |
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323 { |
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324 print_raw (os); |
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325 } |
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326 |
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327 void |
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328 octave_cell::print_raw (std::ostream& os, bool) const |
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329 { |
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330 int nr = rows (); |
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331 int nc = columns (); |
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332 |
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333 if (nr > 0 && nc > 0) |
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334 { |
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335 indent (os); |
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336 os << "{"; |
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337 newline (os); |
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338 |
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339 increment_indent_level (); |
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340 |
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341 for (int j = 0; j < nc; j++) |
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342 { |
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343 for (int i = 0; i < nr; i++) |
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344 { |
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345 OCTAVE_QUIT; |
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346 |
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347 OSSTREAM buf; |
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348 buf << "[" << i+1 << "," << j+1 << "]" << OSSTREAM_ENDS; |
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349 |
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350 octave_value val = matrix(i,j); |
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351 |
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352 val.print_with_name (os, OSSTREAM_STR (buf)); |
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353 |
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354 OSSTREAM_FREEZE (buf); |
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355 } |
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356 } |
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357 |
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358 decrement_indent_level (); |
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359 |
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360 indent (os); |
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361 os << "}"; |
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362 newline (os); |
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363 } |
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364 else |
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365 { |
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366 os << "{}"; |
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367 if (nr > 0 || nc > 0) |
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368 os << "(" << nr << "x" << nc << ")"; |
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369 os << "\n"; |
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370 } |
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371 } |
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372 |
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373 bool |
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374 octave_cell::print_name_tag (std::ostream& os, const std::string& name) const |
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375 { |
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376 indent (os); |
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377 |
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378 int nr = rows (); |
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379 int nc = columns (); |
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380 |
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381 if (nr > 0 && nc > 0) |
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382 { |
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383 os << name << " ="; |
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384 newline (os); |
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385 } |
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386 else |
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387 os << name << " = "; |
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388 |
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389 return false; |
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390 } |
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391 |
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392 DEFUN (iscell, args, , |
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393 "-*- texinfo -*-\n\ |
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394 @deftypefn {Built-in Function} {} iscell (@var{x})\n\ |
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395 Return true if @var{x} is a cell array object. Otherwise, return\n\ |
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396 false.\n\ |
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397 @end deftypefn") |
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398 { |
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399 octave_value retval; |
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400 |
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401 if (args.length () == 1) |
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402 retval = args(0).is_cell (); |
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403 else |
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404 print_usage ("iscell"); |
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405 |
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406 return retval; |
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407 } |
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408 |
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409 DEFUN (cell, args, , |
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410 "-*- texinfo -*-\n\ |
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411 @deftypefn {Built-in Function} {} cell (@var{x})\n\ |
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412 @deftypefnx {Built-in Function} {} cell (@var{n}, @var{m})\n\ |
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413 Create a new cell array object. If invoked with a single scalar\n\ |
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414 argument, @code{cell} returns a square cell array with the dimension\n\ |
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415 specified. If you supply two scalar arguments, @code{cell} takes\n\ |
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416 them to be the number of rows and columns. If given a vector with two\n\ |
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417 elements, @code{cell} uses the values of the elements as the number of\n\ |
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418 rows and columns, respectively.\n\ |
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419 @end deftypefn") |
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420 { |
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421 octave_value retval; |
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422 |
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423 int nargin = args.length (); |
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424 |
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425 switch (nargin) |
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426 { |
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427 case 1: |
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428 { |
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429 int nr, nc; |
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430 get_dimensions (args(0), "cell", nr, nc); |
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431 |
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432 if (! error_state) |
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433 retval = Cell (nr, nc, Matrix ()); |
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434 } |
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435 break; |
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436 |
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437 case 2: |
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438 { |
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439 int nr, nc; |
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440 get_dimensions (args(0), args(1), "cell", nr, nc); |
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441 |
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442 if (! error_state) |
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443 retval = Cell (nr, nc, Matrix ()); |
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444 } |
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445 break; |
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446 |
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447 default: |
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448 print_usage ("cell"); |
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449 break; |
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450 } |
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451 |
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452 return retval; |
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453 } |
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454 |
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4358
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455 DEFUN (cellstr, args, , |
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456 "-*- texinfo -*-\n\ |
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457 @deftypefn {Built-in Function} {} cellstr (@var{string})\n\ |
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458 Create a new cell array object from the elements of the string\n\ |
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459 array @var{string}.\n\ |
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460 @end deftypefn") |
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461 { |
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462 octave_value retval; |
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463 |
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464 if (args.length () == 1) |
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465 { |
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466 string_vector s = args(0).all_strings (); |
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467 |
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468 if (! error_state) |
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469 retval = Cell (s); |
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470 else |
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471 error ("cellstr: expecting argument to be a string"); |
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472 } |
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473 else |
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474 print_usage ("cellstr"); |
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475 |
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476 return retval; |
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477 } |
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478 |
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3353
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479 /* |
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480 ;;; Local Variables: *** |
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481 ;;; mode: C++ *** |
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482 ;;; End: *** |
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483 */ |
