This file is indexed.

/usr/share/perl5/XML/Compile.pm is in libxml-compile-perl 1.52-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
# Copyrights 2006-2016 by [Mark Overmeer].
#  For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.02.

use warnings;
use strict;

package XML::Compile;
use vars '$VERSION';
$VERSION = '1.52';


use Log::Report 'xml-compile';
use XML::LibXML;
use XML::Compile::Util qw/:constants type_of_node/;

use File::Spec  qw();

my $parser;

__PACKAGE__->knownNamespace
 ( &XMLNS       => '1998-namespace.xsd'
 , &SCHEMA1999  => '1999-XMLSchema.xsd'
 , &SCHEMA2000  => '2000-XMLSchema.xsd'
 , &SCHEMA2001  => '2001-XMLSchema.xsd'
 , &SCHEMA2001i => '2001-XMLSchema-instance.xsd'
 , 'http://www.w3.org/1999/part2.xsd'
                => '1999-XMLSchema-part2.xsd'
 );

__PACKAGE__->addSchemaDirs($ENV{SCHEMA_DIRECTORIES});
__PACKAGE__->addSchemaDirs(__FILE__);


sub new(@)
{   my $class = shift;
    my $top   = @_ % 2 ? shift : undef;

    $class ne __PACKAGE__
       or panic "you should instantiate a sub-class, $class is base only";

    (bless {}, $class)->init( {top => $top, @_} );
}

sub init($)
{   my ($self, $args) = @_;

    my $popts = $args->{parser_options} || [];
    $self->initParser(ref $popts eq 'HASH' ? %$popts : @$popts);

    $self->addSchemaDirs($args->{schema_dirs});
    $self;
}

#-------------------

my @schema_dirs;
sub addSchemaDirs(@)
{   my $thing = shift;
    foreach (@_)
    {   my $dir  = shift;
        my @dirs = grep {defined} ref $dir eq 'ARRAY' ? @$dir : $dir;
        my $sep  = $^O eq 'MSWin32' ? qr/\;/ : qr/\:/;
        foreach (map { split $sep } @dirs)
        {   my $el = $_;
            $el = File::Spec->catfile($el, 'xsd') if $el =~ s/\.pm$//i;
            push @schema_dirs, $el;
        }
    }
    defined wantarray ? @schema_dirs : ();
}

#----------------------


sub initParser(@)
{   my $thing = shift;
    $parser = XML::LibXML->new
      ( line_numbers    => 1
      , no_network      => 1
      , expand_xinclude => 0
      , expand_entities => 1                                                  
      , load_ext_dtd    => 0
      , ext_ent_handler =>
           sub { alert __x"parsing external entities disabled"; '' }
      , @_
      );
}


sub dataToXML($)
{   my ($thing, $raw) = @_;
    defined $raw or return;

    $parser ||= $thing->initParser;

    my ($xml, %details);
    if(ref $raw && UNIVERSAL::isa($raw, 'XML::LibXML::Node'))
    {   ($xml, %details) = $thing->_parsedNode($raw);
    }
    elsif(ref $raw eq 'SCALAR')   # XML string as ref
    {   ($xml, %details) = $thing->_parseScalar($raw);
    }
    elsif(ref $raw eq 'GLOB')     # from file-handle
    {   ($xml, %details) = $thing->_parseFileHandle($raw);
    }
    elsif($raw =~ m/^\s*\</)      # XML starts with '<', rare for files
    {   ($xml, %details) = $thing->_parseScalar(\$raw);
    }
    elsif(my $known = $thing->knownNamespace($raw))
    {   my $fn  = $thing->findSchemaFile($known)
            or error __x"cannot find pre-installed name-space file named {path} for {name}"
                 , path => $known, name => $raw;

        ($xml, %details) = $thing->_parseFile($fn);
        $details{source} = "known namespace $raw";
    }
    elsif(my $fn = $thing->findSchemaFile($raw))
    {   ($xml, %details) = $thing->_parseFile($fn);
        $details{source} = "filename in schema-dir $raw";
    }
    elsif(-f $raw)
    {   ($xml, %details) = $thing->_parseFile($raw);
    }
    elsif($raw !~ /[\n\r<]/ && $raw =~ m![/\\]|\.xsd$|\.wsdl!i)
    {   error __x"file {fn} does not exist", fn => $raw;
    }
    else
    {   my $data = "$raw";
        $data = substr($data, 0, 59) . '...'
            if length($data) > 60 && $data =~ m/\</;

        error __x"don't known how to interpret XML data\n   {data}"
           , data => $data;
    }

    wantarray ? ($xml, %details) : $xml;
}

sub _parsedNode($)
{   my ($thing, $node) = @_;
    my $top = $node;

    if($node->isa('XML::LibXML::Document'))
    {   $top       = $node->documentElement;
        my $eltype = type_of_node($top || '(none)');
        trace "using preparsed XML document with element <$eltype>";
    }
    elsif($node->isa('XML::LibXML::Element'))
    {   trace 'using preparsed XML node <'.type_of_node($node).'>';
    }
    else
    {   my $text = $node->toString;
        $text =~ s/\s+/ /gs;
        substr($text, 70, -1, '...')
            if length $text > 75;
        error __x"dataToXML() accepts pre-parsed document or element\n  {got}"
          , got => $text;
    }

    ($top, source => ref $node);
}

sub _parseScalar($)
{   my ($thing, $data) = @_;
    trace "parsing XML from string $data";
    my $xml = $parser->parse_string($$data);

    ( (defined $xml ? $xml->documentElement : undef)
    , source => ref $data
    );
}

sub _parseFile($)
{   my ($thing, $fn) = @_;
    trace "parsing XML from file $fn";
    my $xml = $parser->parse_file($fn);

    ( (defined $xml ? $xml->documentElement : undef)
    , source   => 'file'
    , filename => $fn
    );
}

sub _parseFileHandle($)
{   my ($thing, $fh) = @_;
    trace "parsing XML from open file $fh";
    my $xml = $parser->parse_fh($fh);

    ( (defined $xml ? $xml->documentElement : undef)
    , source => ref $thing
    );
}

#--------------------------


sub walkTree($$)
{   my ($self, $node, $code) = @_;
    if($code->($node))
    {   $self->walkTree($_, $code)
            for $node->getChildNodes;
    }
}


my %namespace_file;
sub knownNamespace($;@)
{   my $thing = shift;
    return $namespace_file{ $_[0] } if @_==1;

    while(@_)
    {  my $ns = shift;
       $namespace_file{$ns} = shift;
    }
    undef;
}


sub findSchemaFile($)
{   my ($thing, $fn) = @_;

    return (-f $fn ? $fn : undef)
        if File::Spec->file_name_is_absolute($fn);

    foreach my $dir (@schema_dirs)
    {   my $full = File::Spec->catfile($dir, $fn);
        return $full if -f $full;
    }

    undef;
}


1;