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10
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1 package IMPL::DOM::XMLReader;
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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::Object IMPL::Object::Autofill);
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6 use IMPL::Class::Property;
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7 use IMPL::Class::Property::Direct;
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8 use XML::Parser;
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9
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14
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10 __PACKAGE__->PassThroughArgs;
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11
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10
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12 BEGIN {
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13 public _direct property Navigator => prop_get | owner_set;
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14 private _direct property _current => prop_all;
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37
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15 private _direct property _text => prop_all;
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16 private _direct property _textHistory => prop_all;
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10
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17 }
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18
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19 sub Parse {
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20 my ($this,$in) = @_;
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21
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22 my $parser = new XML::Parser(
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23 Handlers => {
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24 Start => sub {shift; goto &OnStart($this,@_)},
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25 End => sub {shift; goto &OnEnd($this,@_)},
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26 Char => sub {shift; goto &OnChar($this,@_)}
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27 }
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28 );
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29
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30 $parser->parse($in);
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31 }
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32
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12
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33 sub ParseFile {
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34 my ($this,$in) = @_;
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35
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36 my $parser = new XML::Parser(
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37 Handlers => {
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37
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38 Start => sub {shift; unshift @_, $this; goto &_OnBegin;},
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39 End => sub {shift; unshift @_, $this; goto &_OnEnd;},
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40 Char => sub {shift; unshift @_, $this; goto &_OnChar;}
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12
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41 }
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42 );
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43
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44 $parser->parsefile($in);
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45 }
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46
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47
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14
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48 sub _OnBegin {
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10
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49 my ($this,$element,%attrs) = @_;
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50
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37
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51 push @{$this->{$_textHistory}},$this->{$_text};
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52 $this->{$_text} = "";
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53 $this->{$_current} = $this->Navigator->NavigateCreate($element,%attrs);
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10
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54 }
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55
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14
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56 sub _OnEnd {
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10
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57 my ($this,$element) = @_;
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58
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37
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59 $this->{$_current}->nodeValue($this->{$_text}) if length $this->{$_text};
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60 $this->{$_text} = pop @{$this->{$_textHistory}};
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61 $this->{$_current} = $this->Navigator->Back;
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62 }
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63
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14
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64 sub _OnChar {
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65 my ($this,$val) = @_;
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37
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66 $this->{$_text} .= $val;
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10
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67 }
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68
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69 1;
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12
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70
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71 __END__
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72
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73 =pod
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74
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75 =head1 SYNOPSIS
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76
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77 my $reader = new IMPL::DOM::XMLReader(Navigator => $DomBuilder);
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78 my $obj = $reader->parsefile("data.xml");
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79
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14
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80 =head1 DESCRIPTION
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12
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81
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82 , .
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83 .
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84
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85 C<NavigateCreate> C<Back>
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86
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14
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87 =head1 METHODS
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88
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89 =over
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90
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91 =item C<CTOR(Naviagtor => $builder)>
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92
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93 ,
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94
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95 =item C<$obj->Parse($in)>
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96
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97 . xml , HANDLE.
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98
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99 =item C<$obj->ParseFile($fileName)>
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100
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101 C<$fileName>.
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102
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103 =back
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104
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12
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105 =cut
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