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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__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <iostream.h> |
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32 #include <strstream.h> |
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33 |
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34 #include "lo-utils.h" |
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35 |
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36 #include "defun.h" |
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37 #include "error.h" |
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38 #include "ov-cell.h" |
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39 #include "oct-obj.h" |
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40 #include "unwind-prot.h" |
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41 #include "utils.h" |
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42 |
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43 DEFINE_OCTAVE_ALLOCATOR (octave_cell); |
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44 |
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45 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell"); |
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46 |
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47 octave_value |
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48 octave_cell::do_index_op (const octave_value_list& idx) |
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49 { |
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50 octave_value retval; |
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51 |
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52 int len = idx.length (); |
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53 |
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54 switch (len) |
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55 { |
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56 case 2: |
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57 { |
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58 idx_vector i = idx (0).index_vector (); |
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59 idx_vector j = idx (1).index_vector (); |
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60 |
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61 retval = cell_val.index (i, j); |
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62 } |
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63 break; |
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64 |
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65 case 1: |
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66 { |
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67 idx_vector i = idx (0).index_vector (); |
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68 |
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69 retval = cell_val.index (i); |
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70 } |
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71 break; |
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72 |
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73 default: |
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74 { |
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75 string n = type_name (); |
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76 |
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77 error ("invalid number of indices (%d) for %s value", |
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78 len, n.c_str ()); |
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79 } |
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80 break; |
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81 } |
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82 |
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83 return retval; |
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84 } |
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85 |
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86 void |
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87 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) |
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88 { |
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89 #if 0 |
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90 if (idx.length () == 1) |
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91 { |
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92 int i = idx(0).int_value (true); |
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93 |
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94 if (! error_state) |
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95 { |
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96 int n = lst.length (); |
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97 |
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98 if (i > 0 && (Vresize_on_range_error || i <= n)) |
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99 lst(i-1) = rhs; |
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100 else |
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101 error ("list index = %d out of range", i); |
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102 } |
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103 else |
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104 error ("list index must be an integer"); |
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105 } |
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106 else |
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107 error ("lists may only be indexed by a single scalar"); |
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108 #endif |
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109 } |
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110 |
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111 void |
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112 octave_cell::print (ostream& os, bool) const |
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113 { |
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114 print_raw (os); |
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115 } |
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116 |
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117 void |
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118 octave_cell::print_raw (ostream& os, bool) const |
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119 { |
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120 unwind_protect::begin_frame ("octave_cell_print"); |
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121 |
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122 int nr = cell_val.rows (); |
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123 int nc = cell_val.columns(); |
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124 |
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125 if (nr > 0 && nc > 0) |
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126 { |
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127 indent (os); |
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128 os << "{"; |
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129 newline (os); |
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130 |
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131 increment_indent_level (); |
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132 |
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133 for (int j = 0; j < nc; j++) |
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134 { |
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135 for (int i = 0; i < nr; i++) |
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136 { |
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137 ostrstream buf; |
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138 buf << "[" << i+1 << "," << j+1 << "]" << ends; |
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139 const char *nm = buf.str (); |
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140 |
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141 octave_value val = cell_val(i,j); |
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142 |
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143 val.print_with_name (os, nm); |
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144 |
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145 delete [] nm; |
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146 } |
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147 } |
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148 |
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149 decrement_indent_level (); |
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150 |
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151 indent (os); |
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152 |
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153 os << "}"; |
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154 } |
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155 else |
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156 os << "{}"; |
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157 |
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158 newline (os); |
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159 |
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160 unwind_protect::run_frame ("octave_cell_print"); |
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161 } |
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162 |
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163 bool |
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164 octave_cell::print_name_tag (ostream& os, const string& name) const |
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165 { |
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166 indent (os); |
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167 if (is_empty ()) |
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168 os << name << " = "; |
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169 else |
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170 { |
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171 os << name << " ="; |
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172 newline (os); |
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173 } |
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174 return false; |
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175 } |
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176 |
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177 DEFUN (iscell, args, , |
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178 "iscell (x): return nonzero if x is a cell array") |
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179 { |
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180 octave_value retval; |
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181 |
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182 if (args.length () == 1) |
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183 retval = args(0).is_cell (); |
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184 else |
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185 print_usage ("iscell"); |
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186 |
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187 return retval; |
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188 } |
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189 |
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190 DEFUN (cell, args, , |
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191 "cell (N)\n\ |
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192 cell (M, N)\n\ |
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193 cell (size (A))") |
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194 { |
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195 octave_value retval; |
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196 |
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197 int nargin = args.length (); |
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198 |
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199 switch (nargin) |
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200 { |
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201 case 1: |
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202 { |
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203 int nr, nc; |
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204 get_dimensions (args(0), "cell", nr, nc); |
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205 |
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206 if (! error_state) |
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207 retval = Cell (nr, nc, Matrix ()); |
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208 } |
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209 break; |
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210 |
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211 case 2: |
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212 { |
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213 int nr, nc; |
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214 get_dimensions (args(0), args(1), "cell", nr, nc); |
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215 |
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216 if (! error_state) |
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217 retval = Cell (nr, nc, Matrix ()); |
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218 } |
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219 break; |
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220 |
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221 default: |
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222 print_usage ("cell"); |
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223 break; |
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224 } |
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225 |
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226 return retval; |
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227 } |
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228 |
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229 /* |
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230 ;;; Local Variables: *** |
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231 ;;; mode: C++ *** |
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232 ;;; End: *** |
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233 */ |
