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49
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1 package IMPL::DOM::Schema::NodeSet;
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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 base qw(IMPL::DOM::Node);
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6 use IMPL::Class::Property;
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7
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8 our %CTOR = (
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9 'IMPL::DOM::Node' => sub { nodeName => 'NodeSet' }
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10 );
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11
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12 BEGIN {
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13 public property messageUnexpected => prop_all;
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14 public property messageMax => prop_all;
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15 public property messageMin => prop_all;
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16 }
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17
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18 sub CTOR {
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19 my ($this,%args) = @_;
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20
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21 $this->messageMax( $args{messageMax} || 'Too many %Node.nodeName% nodes');
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22 $this->messageMin( $args{messageMin} || '%Schema.name% nodes expected');
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23 $this->messageUnexpected( $args{messageUnexpected} || 'A %Node.nodeName% isn\'t allowed in %Node.parentNode.path%');
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24 }
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25
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26 sub Validate {
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27 my ($this,$node) = @_;
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28
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29 my @errors;
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30
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31 my %nodes;
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32 my $anyNode;
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33 foreach (@{$this->childNodes}) {
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34 if ($_->isa('IMPL::DOM::Schema::AnyNode')) {
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35 $anyNode = {Schema => $_, Min => $_->minOccur, Max => $_->maxOccur eq 'unbounded' ? undef : $_->maxOccur , Seen => 0 };
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36 } else {
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37 $nodes{$_->name} = {Schema => $_, Min => $_->minOccur, Max => $_->maxOccur eq 'unbounded' ? undef : $_->maxOccur , Seen => 0 };
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38 }
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39 }
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40
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41 foreach my $child ( @{$node->childNodes} ) {
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42 if (my $info = $nodes{$child->nodeName} || $anyNode) {
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43 $info->{Seen}++;
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44 push @errors,new IMPL::DOM::Schema::ValidationError (
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45 Source => $this,
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46 Node => $child,
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47 Schema => $info->{Schema},
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48 Message => $this->messageMax
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49 ) if ($info->{Max} and $info->{Seen} > $info->{Max});
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50
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51 if (my @localErrors = $info->{Schema}->Validate($child)) {
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52 push @errors,@localErrors;
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53 }
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54 } else {
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55 push @errors, new IMPL::DOM::Schema::ValidationError (
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56 Source => $this,
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57 Node => $child,
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58 Message => $this->messageUnexpected
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59 )
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60 }
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61 }
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62
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63 foreach my $info (values %nodes) {
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64 push @errors, new IMPL::DOM::Schema::ValidationError (
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65 Source => $this,
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66 Schema => $info->{Schema},
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67 Message => $this->messageMin
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68 ) if $info->{Min} > $info->{Seen};
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69 }
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70
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71 return @errors;
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72 }
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73
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74 1;
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75
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76 __END__
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77
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78 =pod
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79
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80 =head1 DESCRIPTION
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81
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82 Содержимое для сложного узла. Порядок не важен. Дочерними элементами могут быть
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83 только C<IMPL::DOM::Schema::ComplexNode> и C<IMPL::DOM::Schema::SimpleNode>.
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84
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85 При проверке данного правила, проверяются имеющиеся элементы на соответсие схемы
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86 и количества встречаемости, после чего проверяются количественные ограничения
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87 для несуществующих элементов.
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88
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89 =cut
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