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~ /usr/share/perl5/vendor_perl/Mail/IMAPClient/BodyStructure
Name	Size	Perms	Modified	Actions
[ .. / .. ]
Parse.grammar	5.46 KB	-rw-r--r--	2015-08-14 00:28:04	Edit Del
Parse.pm	808.4 KB	-rw-r--r--	2015-08-14 01:00:54	Edit Del
Parse.pod	505 B	-rw-r--r--	2015-06-09 08:49:06	Edit Del
Editing: Parse.grammar (5.46 KB)

# Directives
# ( 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} }