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package XML::Spice; |
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$XML::Spice::VERSION = '0.04'; |
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require 5.008; |
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43119
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use warnings; |
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use strict; |
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use Carp; |
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361
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our $PRETTY_PRINT = 0; |
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sub import { |
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827
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my ($pkg, @args) = @_; |
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my $them = caller(); |
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100
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if (@args) { |
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for my $arg (@args) { |
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croak "Invalid element name '$arg'" if $arg !~ m/^[A-Za-z]\w*$/; |
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{ |
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no strict "refs"; |
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*{$them."::".$arg} = sub { x($arg, @_) }; |
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} |
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} |
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} |
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else { |
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no strict "refs"; |
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420
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*{$them."::x"} = \&x; |
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} |
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} |
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sub x { |
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my ($tag, @args) = @_; |
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my $chunk = { |
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tag => $tag, |
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attrs => {}, |
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}; |
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0
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for my $arg (@args) { |
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if (ref $arg eq "HASH") { |
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for my $key (keys %$arg) { |
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0
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if (!defined $arg->{$key}) { |
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0
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delete $chunk->{attrs}->{$key}; |
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} else { |
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$chunk->{attrs}->{$key} = "".$arg->{$key}; |
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} |
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} |
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} |
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53
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else { |
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push @{$chunk->{sub}}, $arg; |
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55
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} |
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} |
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58
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0
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return bless $chunk, "XML::Spice::Chunk"; |
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} |
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61
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62
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package # hide from PAUSE |
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XML::Spice::Chunk; |
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65
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2
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2
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10
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use warnings; |
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5
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2
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59
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66
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2
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2
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10
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use strict; |
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2
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3
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2
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47
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67
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68
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2
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2
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7
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use Carp; |
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2
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3
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2
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148
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69
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70
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use overload |
71
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2
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2
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3082
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'""' => \&_xml; |
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2
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2055
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2
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13
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72
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73
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my $TIDY_LOADED; |
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75
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sub _xml { |
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my ($chunk) = @_; |
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78
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0
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0
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if ($PRETTY_PRINT && !defined $TIDY_LOADED) { |
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eval { require XML::Tidy::Tiny }; |
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if ($@) { |
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carp "Couldn't load XML::Tidy::Tiny: $@"; |
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0
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$TIDY_LOADED = 0; |
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} |
84
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else { |
85
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0
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$TIDY_LOADED = 1; |
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} |
87
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} |
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89
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0
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my $WANT_PRETTY = $PRETTY_PRINT && $TIDY_LOADED; |
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91
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return $chunk->{cached} if exists $chunk->{cached} && !$WANT_PRETTY; |
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93
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sub _escape_attr { |
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my ($val) = @_; |
95
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0
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$val =~ s/'/'/g; |
96
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0
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return $val; |
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} |
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99
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sub _escape_cdata { |
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0
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my ($val) = @_; |
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$val =~ s/&/&/g; |
102
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$val =~ s/</g; |
103
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$val =~ s/>/>/g; |
104
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0
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$val =~ s/"/"/g; |
105
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0
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$val =~ s/([^\x20-\x7E])/'' . ord($1) . ';'/ge; |
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0
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106
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0
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return $val; |
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} |
108
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109
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sub _serialise { |
110
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0
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my ($chunk, @things) = @_; |
111
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112
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0
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my $xml = ''; |
113
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114
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0
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for my $thing (@things) { |
115
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0
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0
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next if ! defined $thing; |
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117
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0
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0
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if (ref $thing eq "CODE") { |
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$thing = &{$thing}; |
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119
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120
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0
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0
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if (ref $thing eq "HASH") { |
121
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0
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for my $key (keys %$thing) { |
122
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0
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0
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if (!defined $thing->{$key}) { |
123
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0
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delete $chunk->{attrs}->{$key}; |
124
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} else { |
125
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0
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$chunk->{attrs}->{$key} = "".$thing->{$key}; |
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} |
127
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} |
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0
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undef $thing; |
129
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} |
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131
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0
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redo; |
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} |
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134
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0
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0
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if (ref $thing eq "ARRAY") { |
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0
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135
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0
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$xml .= $chunk->_serialise(@$thing); |
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} |
137
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138
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elsif (ref $thing eq "XML::Spice::Chunk") { |
139
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0
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$xml .= $thing->_xml; |
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} |
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142
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else { |
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0
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0
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next if $thing eq ""; |
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0
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$xml .= _escape_cdata($thing); |
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} |
146
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} |
147
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148
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0
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return $xml; |
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} |
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151
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0
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0
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my $subxml = $chunk->_serialise(@{$chunk->{sub}}) if exists $chunk->{sub}; |
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0
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152
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153
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0
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my $xml = "<" . $chunk->{tag}; |
154
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155
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0
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for my $attr (keys %{$chunk->{attrs}}) { |
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156
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0
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$xml .= " $attr='" . _escape_attr($chunk->{attrs}->{$attr}) . "'"; |
157
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} |
158
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159
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0
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0
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if (!defined $subxml) { |
160
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0
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$xml .= "/>"; |
161
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0
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0
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$chunk->{cached} = $xml unless $WANT_PRETTY; |
162
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0
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0
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return $WANT_PRETTY ? XML::Tidy::Tiny::xml_tidy($xml) : $xml; |
163
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} |
164
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165
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0
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$xml .= ">" . $subxml . "" . $chunk->{tag} . ">"; |
166
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167
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0
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0
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$chunk->{cached} = $xml unless $WANT_PRETTY; |
168
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0
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0
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return $WANT_PRETTY ? XML::Tidy::Tiny::xml_tidy($xml) : $xml; |
169
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} |
170
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171
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sub forget { |
172
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0
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0
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my ($chunk) = @_; |
173
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174
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0
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delete $chunk->{cached}; |
175
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} |
176
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177
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1; |
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179
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__END__ |