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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__) |
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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> |
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32 |
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33 #include "error.h" |
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34 #include "oct-lvalue.h" |
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35 #include "ov-struct.h" |
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36 #include "unwind-prot.h" |
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37 #include "variables.h" |
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38 |
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39 DEFINE_OCTAVE_ALLOCATOR(octave_struct); |
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40 |
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41 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA(octave_struct, "struct"); |
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42 |
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43 octave_value |
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44 octave_struct::do_struct_elt_index_op (const std::string& nm, |
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45 const octave_value_list& idx, |
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46 bool silent) |
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47 { |
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48 // XXX DO_ME XXX |
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49 } |
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50 |
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51 octave_value |
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52 octave_struct::do_struct_elt_index_op (const std::string& nm, bool silent) |
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53 { |
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54 octave_value retval; |
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55 |
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56 Pix idx = map.seek (nm); |
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57 |
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58 if (idx) |
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59 retval = map.contents (idx); |
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60 else if (! silent) |
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61 error ("structure has no member `%s'", nm.c_str ()); |
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62 |
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63 return retval; |
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64 } |
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65 |
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66 octave_lvalue |
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67 octave_struct::struct_elt_ref (octave_value *, const std::string& nm) |
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68 { |
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69 return octave_lvalue (&map [nm]); |
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70 } |
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71 |
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72 void |
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73 octave_struct::print (std::ostream& os, bool) const |
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74 { |
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75 print_raw (os); |
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76 } |
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77 |
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78 void |
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79 octave_struct::print_raw (std::ostream& os, bool) const |
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80 { |
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81 // XXX FIXME XXX -- would be nice to print the output in some |
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82 // standard order. Maybe all substructures first, maybe |
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83 // alphabetize entries, etc. |
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84 |
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85 unwind_protect::begin_frame ("octave_struct_print"); |
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86 |
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87 unwind_protect_int (Vstruct_levels_to_print); |
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88 |
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89 if (Vstruct_levels_to_print-- > 0) |
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90 { |
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91 indent (os); |
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92 os << "{"; |
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93 newline (os); |
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94 |
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95 increment_indent_level (); |
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96 |
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97 for (Pix p = map.first (); p; map.next (p)) |
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98 { |
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99 std::string key = map.key (p); |
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100 octave_value val = map.contents (p); |
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101 |
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102 val.print_with_name (os, key); |
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103 } |
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104 |
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105 decrement_indent_level (); |
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106 |
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107 indent (os); |
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108 os << "}"; |
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109 newline (os); |
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110 } |
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111 else |
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112 { |
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113 os << " <structure>"; |
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114 newline (os); |
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115 } |
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116 |
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117 unwind_protect::run_frame ("octave_struct_print"); |
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118 } |
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119 |
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120 bool |
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121 octave_struct::print_name_tag (std::ostream& os, const std::string& name) const |
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122 { |
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123 indent (os); |
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124 os << name << " ="; |
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125 newline (os); |
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126 return false; |
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127 } |
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128 |
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129 /* |
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130 ;;; Local Variables: *** |
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131 ;;; mode: C++ *** |
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132 ;;; End: *** |
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133 */ |
