/usr/share/perl5/PPI/Token/Quote/Double.pm is in libppi-perl 1.236-1.
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 | package PPI::Token::Quote::Double;
=pod
=head1 NAME
PPI::Token::Quote::Double - A standard "double quote" token
=head1 INHERITANCE
PPI::Token::Quote::Double
isa PPI::Token::Quote
isa PPI::Token
isa PPI::Element
=head1 DESCRIPTION
A C<PPI::Token::Quote::Double> object represents a double-quoted
interpolating string.
The string is treated as a single entity, L<PPI> will not try to
understand what is in the string during the parsing process.
=head1 METHODS
There are several methods available for C<PPI::Token::Quote::Double>, beyond
those provided by the parent L<PPI::Token::Quote>, L<PPI::Token> and
L<PPI::Element> classes.
=cut
use strict;
use Params::Util qw{_INSTANCE};
use PPI::Token::Quote ();
use PPI::Token::_QuoteEngine::Simple ();
use vars qw{$VERSION @ISA};
BEGIN {
$VERSION = '1.236';
@ISA = qw{
PPI::Token::_QuoteEngine::Simple
PPI::Token::Quote
};
}
#####################################################################
# PPI::Token::Quote::Double Methods
=pod
=head2 interpolations
The interpolations method checks to see if the double quote actually
contains any interpolated variables.
Returns true if the string contains interpolations, or false if not.
=cut
# Upgrade: Return the interpolated substrings.
# Upgrade: Returns parsed expressions.
sub interpolations {
# Are there any unescaped $things in the string
!! ($_[0]->content =~ /(?<!\\)(?:\\\\)*[\$\@]/);
}
=pod
=head2 simplify
For various reasons, some people find themselves compelled to have
their code in the simplest form possible.
The C<simplify> method will, if possible, modify a simple double-quoted
string token in place, turning it into the equivalent single-quoted
string. If the token is modified, it is reblessed into the
L<PPI::Token::Quote::Single> package.
Because the length of the content is not changed, there is no need
to call the document's C<flush_locations> method.
The object itself is returned as a convenience.
=cut
sub simplify {
# This only works on EXACTLY this class
my $self = _INSTANCE(shift, 'PPI::Token::Quote::Double') or return undef;
# Don't bother if there are characters that could complicate things
my $content = $self->content;
my $value = substr($content, 1, length($content) - 2);
return $self if $value =~ /[\\\$@\'\"]/;
# Change the token to a single string
$self->{content} = "'$value'";
bless $self, 'PPI::Token::Quote::Single';
}
#####################################################################
# PPI::Token::Quote Methods
sub string {
my $str = $_[0]->{content};
substr( $str, 1, length($str) - 2 );
}
1;
=pod
=head1 SUPPORT
See the L<support section|PPI/SUPPORT> in the main module.
=head1 AUTHOR
Adam Kennedy E<lt>adamk@cpan.orgE<gt>
=head1 COPYRIGHT
Copyright 2001 - 2011 Adam Kennedy.
This program is free software; you can redistribute
it and/or modify it under the same terms as Perl itself.
The full text of the license can be found in the
LICENSE file included with this module.
=cut
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