/usr/share/perl5/Text/PDF/String.pm is in libtext-pdf-perl 0.29a-3.
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 | package Text::PDF::String;
=head1 NAME
Text::PDF::String - PDF String type objects and superclass for simple objects
that are basically stringlike (Number, Name, etc.)
=head1 METHODS
=cut
use strict;
use vars qw(@ISA %trans %out_trans);
# no warnings qw(uninitialized);
use Text::PDF::Objind;
@ISA = qw(Text::PDF::Objind);
%trans = (
"n" => "\n",
"r" => "\r",
"t" => "\t",
"b" => "\b",
"f" => "\f",
"\\" => "\\",
"(" => "(",
")" => ")"
);
%out_trans = (
"\n" => "n",
"\r" => "r",
"\t" => "t",
"\b" => "b",
"\f" => "f",
"\\" => "\\",
"(" => "(",
")" => ")"
);
=head2 Text::PDF::String->from_pdf($string)
Creates a new string object (not a full object yet) from a given string.
The string is parsed according to input criteria with escaping working.
=cut
sub from_pdf
{
my ($class, $str) = @_;
my ($self) = {};
bless $self, $class;
$self->{'val'} = $self->convert($str);
$self->{' realised'} = 1;
return $self;
}
=head2 Text::PDF::String->new($string)
Creates a new string object (not a full object yet) from a given string.
The string is parsed according to input criteria with escaping working.
=cut
sub new
{
my ($class, $str) = @_;
my ($self) = {};
bless $self, $class;
$self->{'val'} = $str;
$self->{' realised'} = 1;
return $self;
}
=head2 $s->convert($str)
Returns $str converted as per criteria for input from PDF file
=cut
sub convert
{
my ($self, $str) = @_;
$str =~ s/\\([nrtbf\\()]|[0-7]+)/defined $trans{$1} ? $trans{$1} : chr(oct($1))/oegi;
# $str =~ s/\\([0-7]+)/chr(oct($1))/oeg; # thanks to kundrat@kundrat.sk
1 while $str =~ s/\<([0-9a-f]{2})[\r\n]*/chr(hex($1))."\<"/oige;
$str =~ s/\<([0-9a-f]?)\>/chr(hex($1."0"))/oige;
$str =~ s/\<\>//og;
return $str;
}
=head2 $s->val
Returns the value of this string (the string itself).
=cut
sub val
{ $_[0]->{'val'}; }
=head2 $->as_pdf
Returns the string formatted for output as PDF for PDF File object $pdf.
=cut
sub as_pdf
{
my ($self) = @_;
my ($str) = $self->{'val'};
if ($str =~ m/[^\n\r\t\b\f\040-\176\200-\377]/oi)
{
$str =~ s/(.)/sprintf("%02X", ord($1))/oge;
return "<$str>";
} else
{
$str =~ s/([\n\r\t\b\f\\()])/\\$out_trans{$1}/ogi;
return "($str)";
}
}
=head2 $s->outobjdeep
Outputs the string in PDF format, complete with necessary conversions
=cut
sub outobjdeep
{
my ($self, $fh, $pdf, %opts) = @_;
$fh->print($self->as_pdf ($pdf));
}
=head2 $s->copy($inpdf, $res, $unique, $outpdf, %opts)
Copies an object. See Text::PDF::Objind::Copy() for details
=cut
sub copy
{
my ($self, $inpdf, $res, $unique, $outpdf, %opts) = @_;
my ($i);
$res = $self->SUPER::copy($inpdf, $res, $unique, $outpdf, %opts);
$res->{'val'} = $self->{'val'};
$res->{' realised'} = 1;
$res;
}
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