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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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 "oct-obj.h" |
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34 #include "ov-base.h" |
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35 #include "ov-cx-mat.h" |
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36 #include "ov-re-mat.h" |
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37 #include "ov-base-scalar.h" |
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38 #include "pr-output.h" |
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39 |
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40 template <class ST> |
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41 octave_value |
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42 octave_base_scalar<ST>::subsref (const std::string& type, |
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43 const std::list<octave_value_list>& idx) |
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44 { |
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45 octave_value retval; |
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46 |
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47 switch (type[0]) |
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48 { |
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49 case '(': |
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50 retval = do_index_op (idx.front ()); |
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51 break; |
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52 |
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53 case '{': |
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54 case '.': |
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55 { |
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56 std::string nm = type_name (); |
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57 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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58 } |
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59 break; |
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60 |
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61 default: |
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62 panic_impossible (); |
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63 } |
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64 |
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65 return retval.next_subsref (type, idx); |
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66 } |
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67 |
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68 template <class ST> |
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69 octave_value |
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70 octave_base_scalar<ST>::subsasgn (const std::string& type, |
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71 const std::list<octave_value_list>& idx, |
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72 const octave_value& rhs) |
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73 { |
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74 octave_value retval; |
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75 |
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76 switch (type[0]) |
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77 { |
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78 case '(': |
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79 { |
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80 if (type.length () == 1) |
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81 { |
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82 if (idx.front().valid_scalar_indices () |
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83 && rhs.is_scalar_type () |
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84 && rhs.is_numeric_type ()) |
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85 retval = rhs; |
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86 else |
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87 retval = numeric_assign (type, idx, rhs); |
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88 } |
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89 else |
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90 { |
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91 std::string nm = type_name (); |
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92 error ("in indexed assignment of %s, last rhs index must be ()", |
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93 nm.c_str ()); |
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94 } |
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95 } |
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96 break; |
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97 |
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98 case '{': |
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99 case '.': |
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100 { |
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101 std::string nm = type_name (); |
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102 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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103 } |
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104 break; |
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105 |
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106 default: |
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107 panic_impossible (); |
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108 } |
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109 |
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110 return retval; |
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111 } |
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112 |
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113 template <class ST> |
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114 void |
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115 octave_base_scalar<ST>::print (std::ostream& os, bool pr_as_read_syntax) const |
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116 { |
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117 print_raw (os, pr_as_read_syntax); |
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118 newline (os); |
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119 } |
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120 |
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121 template <class ST> |
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122 void |
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123 octave_base_scalar<ST>::print_raw (std::ostream& os, |
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124 bool pr_as_read_syntax) const |
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125 { |
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126 indent (os); |
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127 octave_print_internal (os, scalar, pr_as_read_syntax); |
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128 } |
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129 |
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130 template <class ST> |
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131 bool |
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132 octave_base_scalar<ST>::print_name_tag (std::ostream& os, |
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133 const std::string& name) const |
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134 { |
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135 indent (os); |
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136 os << name << " = "; |
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137 return false; |
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138 } |
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139 |
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140 /* |
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141 ;;; Local Variables: *** |
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142 ;;; mode: C++ *** |
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143 ;;; End: *** |
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144 */ |
