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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.h> |
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32 |
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33 #include "error.h" |
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34 #include "oct-var-ref.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 octave_allocator |
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40 octave_struct::allocator (sizeof (octave_struct)); |
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41 |
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42 int |
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43 octave_struct::t_id (-1); |
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44 |
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45 const string |
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46 octave_struct::t_name ("struct"); |
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47 |
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48 octave_value |
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49 octave_struct::struct_elt_val (const string& nm, bool silent) const |
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50 { |
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51 octave_value retval; |
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52 |
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53 Pix idx = map.seek (nm); |
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54 |
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55 if (idx) |
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56 retval = map.contents (idx); |
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57 else if (! silent) |
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58 error ("structure has no member `%s'", nm.c_str ()); |
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59 |
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60 return retval; |
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61 } |
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62 |
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63 octave_variable_reference |
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64 octave_struct::struct_elt_ref (octave_value *, const string& nm) |
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65 { |
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66 return octave_variable_reference (&map [nm]); |
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67 } |
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68 |
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69 void |
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70 octave_struct::print (ostream& os, bool) const |
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71 { |
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72 print_raw (os); |
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73 } |
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74 |
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75 void |
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76 octave_struct::print_raw (ostream& os, bool) const |
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77 { |
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78 // XXX FIXME XXX -- would be nice to print the output in some |
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79 // standard order. Maybe all substructures first, maybe |
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80 // alphabetize entries, etc. |
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81 |
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82 begin_unwind_frame ("octave_struct_print"); |
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83 |
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84 unwind_protect_int (Vstruct_levels_to_print); |
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85 |
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86 if (Vstruct_levels_to_print-- > 0) |
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87 { |
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88 indent (os); |
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89 os << "{"; |
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90 newline (os); |
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91 |
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92 increment_indent_level (); |
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93 |
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94 for (Pix p = map.first (); p; map.next (p)) |
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95 { |
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96 string key = map.key (p); |
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97 octave_value val = map.contents (p); |
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98 |
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99 val.print_with_name (os, key); |
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100 } |
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101 |
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102 decrement_indent_level (); |
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103 |
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104 indent (os); |
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105 os << "}"; |
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106 newline (os); |
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107 } |
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108 else |
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109 { |
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110 os << " <structure>"; |
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111 newline (os); |
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112 } |
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113 |
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114 run_unwind_frame ("octave_struct_print"); |
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115 } |
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116 |
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117 bool |
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118 octave_struct::print_name_tag (ostream& os, const string& name) const |
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119 { |
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120 indent (os); |
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121 os << name << " ="; |
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122 newline (os); |
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123 return false; |
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124 } |
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125 |
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126 /* |
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127 ;;; Local Variables: *** |
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128 ;;; mode: C++ *** |
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129 ;;; End: *** |
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130 */ |
