/usr/share/perl5/Mail/IMAPClient/BodyStructure/Parse.grammar is in libmail-imapclient-perl 3.30-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# ( none)
# Start-up Actions
{
my $mibs = "Mail::IMAPClient::BodyStructure";
my $subpartCount = 0;
my $partCount = 0;
sub take_optional_items($$@)
{ my ($r, $items) = (shift, shift);
foreach (@_)
{ my $opt = $_ .'(?)';
exists $items->{$opt} or next;
$r->{$_} = UNIVERSAL::isa($items->{$opt}, 'ARRAY')
? $items->{$opt}[0] : $items->{$opt};
}
}
sub merge_hash($$)
{ my $to = shift;
my $from = shift or return;
while( my($k,$v) = each %$from) { $to->{$k} = $v }
}
}
# Atoms
TEXT: /^"TEXT"|^TEXT/i { $return = "TEXT" }
PLAIN: /^"PLAIN"|^PLAIN/i { $return = "PLAIN" }
HTML: /"HTML"|HTML/i { $return = "HTML" }
MESSAGE: /^"MESSAGE"|^MESSAGE/i { $return = "MESSAGE"}
RFC822: /^"RFC822"|^RFC822/i { $return = "RFC822" }
NIL: /^NIL/i { $return = "NIL" }
RFCNONCOMPLY: /^\(\)/i { $return = "NIL" }
NUMBER: /^(\d+)/ { $return = $item[1] }
# Strings:
SINGLE_QUOTED_STRING: "'" /(?:\\'|[^'])*/ "'" { $return = $item{__PATTERN1__} }
DOUBLE_QUOTED_STRING: '"' /(?:\\"|[^"])*/ '"' { $return = $item{__PATTERN1__} }
BARESTRING: ...!/^[)('"]/ /^(?!\(|\))(?:\\ |\S)+/
{ $return = $item{__PATTERN1__} }
STRING: DOUBLE_QUOTED_STRING | SINGLE_QUOTED_STRING | BARESTRING
STRINGS: "(" STRING(s) ")" { $return = $item{'STRING(s)'} }
textlines: NIL | NUMBER
rfc822message: MESSAGE RFC822 { $return = "MESSAGE RFC822" }
bodysubtype: PLAIN | HTML | NIL | STRING
key: STRING
value: NIL | NUMBER | STRING | KVPAIRS
kvpair: ...!")" key value
{ $return = { $item{key} => $item{value} } }
KVPAIRS: "(" kvpair(s) ")"
{ $return = { map { (%$_) } @{$item{'kvpair(s)'}} } }
bodytype: STRING
bodyparms: NIL | KVPAIRS
bodydisp: NIL | KVPAIRS
bodyid: ...!/[()]/ NIL | STRING
bodydesc: ...!/[()]/ NIL | STRING
bodysize: ...!/[()]/ NIL | NUMBER
bodyenc: NIL | STRING | KVPAIRS
bodyMD5: NIL | STRING
bodylang: NIL | STRING | STRINGS
bodyextra: NIL | STRING | STRINGS
bodyloc: NIL | STRING
personalname: NIL | STRING
sourceroute: NIL | STRING
mailboxname: NIL | STRING
hostname: NIL | STRING
addressstruct: "(" personalname sourceroute mailboxname hostname ")"
{ bless { personalname => $item{personalname}
, sourceroute => $item{sourceroute}
, mailboxname => $item{mailboxname}
, hostname => $item{hostname}
}, 'Mail::IMAPClient::BodyStructure::Address';
}
subject: NIL | STRING
inreplyto: NIL | STRING
messageid: NIL | STRING
date: NIL | STRING
ADDRESSES: NIL | RFCNONCOMPLY
| "(" addressstruct(s) ")" { $return = $item{'addressstruct(s)'} }
cc: ADDRESSES
bcc: ADDRESSES
from: ADDRESSES
replyto: ADDRESSES
sender: ADDRESSES
to: ADDRESSES
envelopestruct: "(" date subject from sender replyto to cc
bcc inreplyto messageid ")"
{ $return = bless {}, "Mail::IMAPClient::BodyStructure::Envelope";
$return->{$_} = $item{$_}
for qw/date subject from sender replyto to cc/
, qw/bcc inreplyto messageid/;
1;
}
basicfields: bodysubtype bodyparms(?) bodyid(?)
bodydesc(?) bodyenc(?) bodysize(?)
{ $return = { bodysubtype => $item{bodysubtype} };
take_optional_items($return, \%item,
qw/bodyparms bodyid bodydesc bodyenc bodysize/);
1;
}
textmessage: TEXT <commit> basicfields textlines(?) bodyMD5(?)
bodydisp(?) bodylang(?) bodyextra(?)
{
$return = $item{basicfields} || {};
$return->{bodytype} = 'TEXT';
take_optional_items($return, \%item
, qw/textlines bodyMD5 bodydisp bodylang bodyextra/);
1;
}
othertypemessage: bodytype basicfields bodyMD5(?) bodydisp(?)
bodylang(?) bodyextra(?)
{ $return = { bodytype => $item{bodytype} };
take_optional_items($return, \%item
, qw/bodyMD5 bodydisp bodylang bodyextra/ );
merge_hash($return, $item{basicfields});
1;
}
nestedmessage: rfc822message <commit> bodyparms bodyid bodydesc bodyenc
# bodysize envelopestruct bodystructure textlines
bodysize envelopestruct(?) bodystructure(?) textlines(?)
bodyMD5(?) bodydisp(?) bodylang(?) bodyextra(?)
{
$return = {};
$return->{$_} = $item{$_}
for qw/bodyparms bodyid bodydesc bodyenc bodysize/;
# envelopestruct bodystructure textlines/;
take_optional_items($return, \%item
, qw/envelopestruct bodystructure textlines/
, qw/bodyMD5 bodydisp bodylang bodyextra/);
merge_hash($return, $item{bodystructure}[0]);
merge_hash($return, $item{basicfields});
$return->{bodytype} = "MESSAGE" ;
$return->{bodysubtype} = "RFC822" ;
1;
}
multipart: subpart(s) <commit> bodysubtype
bodyparms(?) bodydisp(?) bodylang(?) bodyloc(?) bodyextra(?)
<defer: $subpartCount = 0>
{ $return =
{ bodysubtype => $item{bodysubtype}
, bodytype => 'MULTIPART'
, bodystructure => $item{'subpart(s)'}
};
take_optional_items($return, \%item
, qw/bodyparms bodydisp bodylang bodyloc bodyextra/);
1;
}
subpart: "(" part ")" {$return = $item{part}} <defer: ++$subpartCount;>
part: multipart { $return = bless $item{multipart}, $mibs }
| textmessage { $return = bless $item{textmessage}, $mibs }
| nestedmessage { $return = bless $item{nestedmessage}, $mibs }
| othertypemessage { $return = bless $item{othertypemessage}, $mibs }
bodystructure: "(" part(s) ")"
{ $return = $item{'part(s)'} }
start: /.*?\(.*?BODYSTRUCTURE \(/i part(1) /\).*\)\r?\n?/
{ $return = $item{'part(1)'}[0] }
envelope: /.*?\(.*?ENVELOPE/ envelopestruct /.*\)/
{ $return = $item{envelopestruct} }
|