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1 package IMPL::Object::Autofill;
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2 use strict;
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3 use IMPL::Class::Property;
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4
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5 sub CTOR {
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6 my $this = shift;
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7 no strict 'refs';
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8
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9 my $fields = @_ == 1 ? $_[0] : {@_};
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10
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11 $this->_fill(ref $this,$fields);
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12 }
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13
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14 sub _fill {
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15 my ($this,$class,$fields) = @_;
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16
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17 $class->_autofill_method->($this,$fields);
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18
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19 no strict 'refs';
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20 $this->_fill($_,$fields) foreach grep $_->isa('IMPL::Object::Autofill'), @{"${class}::ISA"};
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21 }
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22
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23 sub DisableAutofill {
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24 my $self = shift;
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25
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26 my $class = ref $self || $self;
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27
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28 *{"${class}::_impl_object_autofill"} = sub {};
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29 }
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30
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31 sub _autofill_method {
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32 my ($class) = @_;
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33
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34 $class = ref $class if ref $class;
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35
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36 #
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37 my $method;
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38 {
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39 no strict 'refs';
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40 $method = ${$class.'::'}{_impl_object_autofill};
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41 }
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42
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43 if ($method) {
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44 return $method;
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45 } else {
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46 my $text = <<HEADER;
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47 package $class;
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48 sub _impl_object_autofill {
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49 my (\$this,\$fields) = \@_;
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50 HEADER
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51
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52
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53 if ($class->can('get_meta')) {
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54 # meta supported
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55 foreach my $prop_info (grep {
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56 my $mutators = $_->Mutators;
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57 ref $mutators ? (exists $mutators->{set}) : ($mutators & prop_set || $_->Implementor->isa('IMPL::Class::Property::Direct'));
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58 } $class->get_meta('IMPL::Class::PropertyInfo')) {
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59 my $name = $prop_info->Name;
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60 if (ref $prop_info->Mutators || !$prop_info->Implementor->isa('IMPL::Class::Property::Direct')) {
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61 $text .= "\t\$this->$name(\$fields->{$name}) if exists \$fields->{$name};\n";
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62 } else {
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63 my $fld = $prop_info->Implementor->FieldName($prop_info);
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64 if ($prop_info->Mutators & prop_list) {
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65 $text .= "\t\$this->{$fld} = ref \$fields->{$name} ? \$fields->{$name} : [\$fields->{$name}] if exists \$fields->{$name};\n";
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66 } else {
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67 $text .= "\t\$this->{$fld} = \$fields->{$name} if exists \$fields->{$name};\n";
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68 }
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69 }
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70 }
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71 } else {
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72 # meta not supported
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73 #$text .= "\t".'$this->$_($fields->{$_}) foreach keys %$fields;'."\n";
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74 }
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75 $text .= "}\n\\&_impl_object_autofill;";
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76 return eval $text;
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77 }
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78 }
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79
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80 1;
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81
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82 __END__
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83
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84 =pod
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85 =head1 SYNOPSIS
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86 package MyClass;
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87 use base qw(IMPL::Object IMPL::Object::Autofill);
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88
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89 BEGIN {
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90 private property PrivateData => prop_all;
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91 public property PublicData => prop_get;
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92 }
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93
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94 sub CTOR {
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95 my $this = shift;
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96 $this->superCTOR(@_);
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97 # or eqvivalent
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98 # $this->supercall::CTOR(@_);
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99
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100 print $this->PrivateData,"\n";
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101 print $this->PublicData,"\n";
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102 }
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103
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104 my $obj = new MyClass(PrivateData => 'private', PublicData => 'public', Other => 'some data');
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105
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106 will print
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107 private
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108 public
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109
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110 =cut |