/usr/share/perl5/Mail/Box/Search/Grep.pm is in libmail-box-perl 3.004-1.
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 | # Copyrights 2001-2017 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.
package Mail::Box::Search::Grep;
use vars '$VERSION';
$VERSION = '3.004';
use base 'Mail::Box::Search';
use strict;
use warnings;
use Carp;
#-------------------------------------------
sub init($)
{ my ($self, $args) = @_;
$args->{in} ||= ($args->{field} ? 'HEAD' : 'BODY');
my $deliver = $args->{deliver} || $args->{details}; # details is old name
$args->{deliver}
= !defined $deliver ? $deliver
: ref $deliver eq 'CODE' ? $deliver
: $deliver eq 'PRINT' ? sub { $_[0]->printMatch($_[1]) }
: ref $deliver eq 'ARRAY' ? sub { push @$deliver, $_[1] }
: $deliver;
$self->SUPER::init($args);
my $take = $args->{field};
$self->{MBSG_field_check}
= !defined $take ? sub {1}
: !ref $take ? do {$take = lc $take; sub { $_[1] eq $take }}
: ref $take eq 'Regexp' ? sub { $_[1] =~ $take }
: ref $take eq 'CODE' ? $take
: croak "Illegal field selector $take.";
my $match = $args->{match}
or croak "No match pattern specified.\n";
$self->{MBSG_match_check}
= !ref $match ? sub { index("$_[1]", $match) >= $[ }
: ref $match eq 'Regexp' ? sub { "$_[1]" =~ $match }
: ref $match eq 'CODE' ? $match
: croak "Illegal match pattern $match.";
$self;
}
sub search(@)
{ my ($self, $object, %args) = @_;
delete $self->{MBSG_last_printed};
$self->SUPER::search($object, %args);
}
sub inHead(@)
{ my ($self, $part, $head, $args) = @_;
my @details = (message => $part->toplevel, part => $part);
my ($field_check, $match_check, $deliver)
= @$self{ qw/MBSG_field_check MBSG_match_check MBS_deliver/ };
my $matched = 0;
LINES:
foreach my $field ($head->orderedFields)
{ next unless $field_check->($head, $field->name)
&& $match_check->($head, $field);
$matched++;
last LINES unless $deliver; # no deliver: only one match needed
$deliver->( {@details, field => $field} );
}
$matched;
}
sub inBody(@)
{ my ($self, $part, $body, $args) = @_;
my @details = (message => $part->toplevel, part => $part);
my ($field_check, $match_check, $deliver)
= @$self{ qw/MBSG_field_check MBSG_match_check MBS_deliver/ };
my $matched = 0;
my $linenr = 0;
LINES:
foreach my $line ($body->lines)
{ $linenr++;
next unless $match_check->($body, $line);
$matched++;
last LINES unless $deliver; # no deliver: only one match needed
$deliver->( {@details, linenr => $linenr, line => $line} );
}
$matched;
}
#-------------------------------------------
sub printMatch($;$)
{ my $self = shift;
my ($out, $match) = @_==2 ? @_ : (select, shift);
$match->{field}
? $self->printMatchedHead($out, $match)
: $self->printMatchedBody($out, $match)
}
sub printMatchedHead($$)
{ my ($self, $out, $match) = @_;
my $message = $match->{message};
my $msgnr = $message->seqnr;
my $folder = $message->folder->name;
my $lp = $self->{MBSG_last_printed} || '';
unless($lp eq "$folder $msgnr") # match in new message
{ my $subject = $message->subject;
$out->print("$folder, message $msgnr: $subject\n");
$self->{MBSG_last_printed} = "$folder $msgnr";
}
my @lines = $match->{field}->string;
my $inpart = $match->{part}->isPart ? 'p ' : ' ';
$out->print($inpart, join $inpart, @lines);
$self;
}
sub printMatchedBody($$)
{ my ($self, $out, $match) = @_;
my $message = $match->{message};
my $msgnr = $message->seqnr;
my $folder = $message->folder->name;
my $lp = $self->{MBSG_last_printed} || '';
unless($lp eq "$folder $msgnr") # match in new message
{ my $subject = $message->subject;
$out->print("$folder, message $msgnr: $subject\n");
$self->{MBSG_last_printed} = "$folder $msgnr";
}
my $inpart = $match->{part}->isPart ? 'p ' : ' ';
$out->print(sprintf "$inpart %2d: %s", $match->{linenr}, $match->{line});
$self;
}
1;
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