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7
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1 package IMPL::DOM::Property;
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2 use strict;
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3 use warnings;
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4
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5 use IMPL::Class::Property;
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6 require IMPL::Exception;
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7
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8 use base qw(Exporter);
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9 our @EXPORT_OK = qw(_dom);
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10
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11 sub _dom($) {
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12 my ($prop_info) = @_;
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13 $prop_info->Implementor( 'IMPL::DOM::Property' );
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14 return $prop_info;
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15 }
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16
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17 sub Make {
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18 my ($self,$propInfo) = @_;
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19
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20 my ($class,$name,$virt,$access,$mutators) = $propInfo->get qw(Class Name Virtual Access Mutators);
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21
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22 die new IMPL::InvalidOperationException("DOM properties can be declared only for the DOM objects") unless $class->isa('IMPL::DOM::Node');
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23
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24 no strict 'refs';
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25 die new IMPL::InvalidOperationException("Custom mutators are not allowed","${class}::$name") if ref $mutators;
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26 if (($mutators & prop_all) == prop_all) {
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27 *{"${class}::$name"} = sub {
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28 $_[0]->Property($name,@_[1..$#_]);
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29 };
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30 $propInfo->canGet(1);
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31 $propInfo->canSet(1);
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32 } elsif( $mutators & prop_get ) {
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33 *{"${class}::$name"} = sub {
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34 die new IMPL::InvalidOperationException("This is a readonly property", "${class}::$name") if @_>1;
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35 $_[0]->Property($name);
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36 };
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37 $propInfo->canGet(1);
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38 $propInfo->canSet(0);
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39 } elsif( $mutators & prop_set ) {
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40 *{"${class}::$name"} = sub {
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41 die new IMPL::InvalidOperationException("This is a writeonly property", "${class}::$name") if @_<2;
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42 $_[0]->Property($name,@_[1..$#_]);
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43 };
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44 $propInfo->canGet(0);
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45 $propInfo->canSet(1);
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46 } else {
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47 die new IMPL::InvalidOperationException("Invalid value for the property mutators","${class}::$name",$mutators);
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48 }
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49 }
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50
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51 1;
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52 __END__
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53 =pod
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54
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55 =head1 SYNOPSIS
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56
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57 package TypedNode;
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58
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59 use base qw(IMPL::DOM::Node);
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60 use IMPL::DOM::Property qw(_dom);
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61
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62 BEGIN {
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63 public _dom property Age => prop_all;
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64 public _dom property Address => prop_all;
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65 public property ServiceData => prop_all;
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66 }
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67
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68 =head1 DESCRIPTION
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69
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70 ,
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71 .
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72
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73 =cut |
