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1 package IMPL::Serialization::XmlObjectWriter;
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2 use strict;
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3
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166
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4 use parent qw(IMPL::Object);
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5 use IMPL::Class::Property;
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6 use IMPL::Class::Property::Direct;
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7
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8 use IMPL::Serialization;
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9 use XML::Writer;
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10 use IMPL::Exception;
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11
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12 sub CONTAINER_EMPTY () { 1 }
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13 sub CONTAINER_NORMAL () { 2 }
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14
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15 BEGIN {
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16 public _direct property Encoding => prop_all;
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17 public _direct property hOutput => prop_all;
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18 public _direct property IdentOutput => prop_all;
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19
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20 private _direct property CurrentObject => prop_all;
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21 private _direct property ObjectPath => prop_all;
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22 private _direct property XmlWriter => prop_all;
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23 private _direct property IdentLevel => prop_all;
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24 private _direct property IdentNextTag => prop_all;
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25 }
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26
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27 sub new {
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28 my $class = shift;
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29 my $self = bless {}, ref($class) || $class;
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30 $self->CTOR(@_);
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31 return $self;
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32 }
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33
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34 sub CTOR {
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35 my $this = shift;
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36 my %args = @_;
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37 $this->{$hOutput} = $args{'hOutput'};
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38 $this->{$Encoding} = $args{'Encoding'};
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39 $this->{$CurrentObject} = undef;
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40 $this->{$IdentOutput} = $args{'IdentOutput'};
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41 $this->{$IdentLevel} = 0;
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42 $this->{$IdentNextTag} = 0;
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43 #$this->{$ObjectPath} = [];
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44 return 1;
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45 }
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46
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47 sub BeginObject {
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48 my $this = shift;
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49 my %args = @_;
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50
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51 if (not $this->{$CurrentObject}) {
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52 my $xmlWriter = new XML::Writer(OUTPUT => $this->{$hOutput}, ENCODING => $this->{$Encoding});
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53 $this->{$XmlWriter} = $xmlWriter;
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54 $xmlWriter->xmlDecl();
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55 }
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56
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57 push @{$this->{$ObjectPath}},$this->{$CurrentObject} if $this->{$CurrentObject};
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58
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59 my %ObjectProperties = %args;
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60 delete $ObjectProperties{'name'};
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61 delete $args{'container_type'};
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62
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63 $this->{$CurrentObject} = \%ObjectProperties;
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64
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65 my $tagname;
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66 if (_CheckName($args{'name'})) {
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67 $tagname = $args{'name'};
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68 } else {
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69 $tagname = 'element';
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70 $ObjectProperties{'extname'} = $args{'name'};
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71 }
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72
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73 if ($args{'refid'}) {
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74 $this->{$XmlWriter}->characters("\n" . (' ' x $$this{$IdentLevel}) ) if $$this{$IdentNextTag};
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75 $this->{$XmlWriter}->emptyTag($tagname,%ObjectProperties);
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76 $ObjectProperties{'container_type'} = CONTAINER_EMPTY;
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77 } else {
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78 $this->{$XmlWriter}->characters("\n" . (' ' x $$this{$IdentLevel}) ) if $$this{$IdentNextTag};
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79 $this->{$XmlWriter}->startTag($tagname,%ObjectProperties);
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80 $ObjectProperties{'container_type'} = CONTAINER_NORMAL;
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81 }
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82
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83 $this->{$IdentLevel} ++;
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84 $this->{$IdentNextTag} = $this->{$IdentOutput};
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85
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86 return 1;
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87 }
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88
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89 sub EndObject {
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90 my $this = shift;
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91
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92 my $hCurrentObject = $this->{$CurrentObject} or return 0;
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93
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94 $this->{$IdentLevel} --;
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95
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96 if ( $hCurrentObject->{'container_type'} != CONTAINER_EMPTY ) {
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97 $this->{$XmlWriter}->characters("\n" . (' ' x $$this{$IdentLevel}) ) if $$this{$IdentNextTag};
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98 $this->{$XmlWriter}->endTag();
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99 }
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100
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101 $this->{$IdentNextTag} = $this->{$IdentOutput};
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102
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103 $this->{$CurrentObject} = pop @{$this->{$ObjectPath}} if exists $this->{$ObjectPath};
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104 $this->{$XmlWriter} = undef if (not $this->{$CurrentObject});
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105
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106 return 1;
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107 }
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108
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109 sub SetData {
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110 my $this = shift;
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111 #my $hCurrentObject = $this->{$CurrentObject} or return 0;
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112
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113 if ($this->{$CurrentObject}->{'container_type'} == CONTAINER_NORMAL) {
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114 $this->{$XmlWriter}->characters($_[0]) if defined $_[0];
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115 $this->{$IdentNextTag} = 0;
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116 return 1;
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117 } else {
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118 return 0;
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119 }
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120 }
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121
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122 sub _CheckName {
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123 return 0 if not $_[0];
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124 return $_[0] =~ /^(_|\w|\d)+$/;
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125 }
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126
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127 package IMPL::Serialization::XmlObjectReader;
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166
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128 use parent qw(XML::Parser);
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0
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129
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130 sub new {
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131 my $class = shift;
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132 my %args = @_;
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133 die new Exception("Handler parameter is reqired") if not $args{'Handler'};
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134 die new Exception("Handler parameter must be a reference") if not ref $args{'Handler'};
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135
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136 #my $this = $class->SUPER::new(Style => 'Stream', Pkg => 'Serialization::XmlObjectReader', 'Non-Expat-Options' => {hInput => $args{'hInput'} , Handler => $args{'Handler'}, SkipWhitespace => $args{'SkipWhitespace'} } );
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137 my $this = $class->SUPER::new(Handlers => { Start => \&StartTag, End => \&EndTag, Char => \&Text} , 'Non-Expat-Options' => {hInput => $args{'hInput'} , Handler => $args{'Handler'}, SkipWhitespace => $args{'SkipWhitespace'} } );
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138 return $this;
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139 }
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140
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141 sub Parse {
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142 my $this = shift;
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143 $this->parse($this->{'Non-Expat-Options'}->{'hInput'});
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144 return 1;
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145 }
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146
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147 sub StartTag {
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148 my $this = shift;
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149 my $name = shift;
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150 my %Attr = @_;
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151 $name = $Attr{'extname'} if defined $Attr{'extname'};
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152 $this->{'Non-Expat-Options'}->{'Handler'}->OnObjectBegin($name,\%Attr);
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153 return 1;
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154 }
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155
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156 sub EndTag {
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157 my ($this,$name) = @_;
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158 $this->{'Non-Expat-Options'}->{'Handler'}->OnObjectEnd($name);
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159 return 1;
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160 }
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161
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162 sub Text {
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163 my ($this) = shift;
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90
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164 my $text = shift;
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165 return 1 if $this->{'Non-Expat-Options'}->{'SkipWhitespace'} and $text =~ /^\n*\s*\n*$/;
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166 $this->{'Non-Expat-Options'}->{'Handler'}->OnObjectData($text);
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167 return 1;
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168 }
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169
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170 package IMPL::Serialization::XmlFormatter;
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166
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171 use parent qw(IMPL::Object);
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0
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172
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173 use IMPL::Class::Property;
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174 use IMPL::Class::Property::Direct;
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175
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176 BEGIN {
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177 public _direct property Encoding => prop_all;
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178 public _direct property SkipWhitespace => prop_all;
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179 public _direct property IdentOutput => prop_all;
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180 }
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181
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182 sub CTOR {
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183 my ($this,%args) = @_;
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184
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185 $this->Encoding($args{'Encoding'} || 'utf-8');
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186 $this->SkipWhitespace($args{'SkipWhitespace'});
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187 $this->IdentOutput($args{'IdentOutput'});
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188
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189 return 1;
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190 }
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191
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192 sub CreateWriter {
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193 my ($this,$hStream) = @_;
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194 return new IMPL::Serialization::XmlObjectWriter(Encoding =>$this->Encoding() , hOutput => $hStream, IdentOutput => $this->IdentOutput());
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195 }
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196
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197 sub CreateReader {
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198 my ($this,$hStream,$refHandler) = @_;
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199 return new IMPL::Serialization::XmlObjectReader(hInput => $hStream, Handler => $refHandler, SkipWhitespace => $this->SkipWhitespace());
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200 }
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201
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202 1;
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