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1 /* |
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2 |
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3 Copyright (C) 1996 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 "ov-struct.h" |
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35 #include "unwind-prot.h" |
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36 |
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37 int octave_struct::t_id = -1; |
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38 |
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39 const string octave_struct::t_name ("struct"); |
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40 |
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41 |
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42 octave_value |
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43 octave_struct::struct_elt_val (const string& nm, bool silent) const |
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44 { |
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45 octave_value retval; |
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46 |
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47 Pix idx = map.seek (nm); |
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48 |
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49 if (idx) |
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50 retval = map.contents (idx); |
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51 else if (! silent) |
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52 error ("structure has no member `%s'", nm.c_str ()); |
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53 |
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54 return retval; |
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55 } |
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56 |
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57 octave_value& |
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58 octave_struct::struct_elt_ref (const string& nm) |
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59 { |
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60 return map [nm]; |
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61 } |
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62 |
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63 void |
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64 octave_struct::print (ostream& os) |
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65 { |
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66 // XXX FIXME XXX -- would be nice to print the output in some |
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67 // standard order. Maybe all substructures first, maybe |
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68 // alphabetize entries, etc. |
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69 |
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70 begin_unwind_frame ("octave_struct_print"); |
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71 |
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72 unwind_protect_int (struct_indent); |
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73 unwind_protect_int (Vstruct_levels_to_print); |
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74 |
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75 if (Vstruct_levels_to_print-- > 0) |
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76 { |
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77 os.form ("\n%*s{\n", struct_indent, ""); |
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78 |
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79 increment_struct_indent (); |
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80 |
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81 Pix p = map.first (); |
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82 |
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83 while (p) |
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84 { |
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85 bool pad_after = false; |
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86 |
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87 string key = map.key (p); |
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88 octave_value val = map.contents (p); |
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89 |
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90 map.next (p); |
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91 |
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92 os.form ("%*s%s =", struct_indent, "", key.c_str ()); |
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93 |
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94 if (val.print_as_scalar ()) |
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95 os << " "; |
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96 else if (val.print_as_structure ()) |
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97 { |
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98 if (p) |
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99 pad_after = true; |
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100 } |
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101 else |
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102 { |
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103 if (p) |
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104 pad_after = true; |
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105 |
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106 os << "\n\n"; |
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107 } |
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108 |
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109 val.print (os); |
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110 |
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111 if (pad_after) |
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112 os << "\n"; |
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113 } |
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114 |
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115 decrement_struct_indent (); |
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116 |
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117 os.form ("%*s%s", struct_indent, "", "}\n"); |
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118 } |
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119 else |
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120 os << " <structure>\n"; |
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121 |
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122 run_unwind_frame ("octave_struct_print"); |
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123 } |
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124 |
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125 /* |
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126 ;;; Local Variables: *** |
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127 ;;; mode: C++ *** |
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128 ;;; End: *** |
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129 */ |
