NAME

       Sisimai::RFC2045 - MIME Utilities

SYNOPSIS

           use Sisimai::RFC2045;

           my $e = '=?utf-8?B?55m954yr44Gr44KD44KT44GT?=';
           my $v = Sisimai::RFC2045->is_encoded(\$e);
           print $v;   # 1

           my $x = Sisimai::RFC2045->decodeH([$e]);
           print $x;

DESCRIPTION

       "Sisimai::RFC2045" is MIME Utilities for Sisimai, is formerly known as "Sisimai::MIME".

CLASS METHODS

   "is_encoded(Scalar Reference)"
       is_encoded() method returns that the argument is a MIME-Encoded string or not.

           my $e = '=?utf-8?B?55m954yr44Gr44KD44KT44GT?=';
           my $v = Sisimai::RFC2045->is_encoded(\$e);  # 1

   "decodeH(Array-Ref)"
       decodeH() method is a decoding method for getting the original string from the MIME-Encoded string in the
       email headers.

           my $r = '=?utf-8?B?55m954yr44Gr44KD44KT44GT?=';
           my $v = Sisimai::RFC2045->decodeH([$r]);

   "decodeB(\String)"
       "decodeB" method is a decoding method for getting the original string from the MIME Base64 encoded
       string.

           my $r = '44Gr44KD44O844KT';
           my $v = Sisimai::RFC2045->decodeB(\$r);

   "decodeQ(\String)"
       "decodeQ" method is a decoding method for getting the original string from the MIME quoted-printable
       encoded string.

           my $r = '=4e=65=6b=6f';
           my $v = Sisimai::RFC2045->decodeQ(\$r);

   "parameter(String, String)"
       parameter() method returns the value of parameter in "Content-Type:" header.

           my $r = 'Content-Type: multipart/mixed; boundary=Apple-Mail-1-526612466'; charset=utf8;
           print Sisimai::RFC2045->parameter($r, 'charset');  # utf8
           print Sisimai::RFC2045->parameter($r, 'boundary'); # Apple-Mail-1-526612466
           print Sisimai::RFC2045->parameter($r);             # multipart/mixed

   "boundary(String, Integer)"
       boundary() method returns the boundary string from the value of "Content-Type:" header.

           my $r = 'Content-Type: multipart/mixed; boundary=Apple-Mail-1-526612466';
           my $v = Sisimai::RFC2045->boundary($r);
           print $v;   # Apple-Mail-1-526612466

           print Sisimai::RFC2045->boundary($r, 0); # --Apple-Mail-1-526612466

           print Sisimai::RFC2045->boundary($r, 1); # --Apple-Mail-1-526612466--
   "haircut(\String, Boolean)"
       haircut() method remove unused headers from the "multipart/* "block.

   "levelout(String, \String)"
       "levelout" method breaks the "multipart/*" message block into each part and returns an array reference.

   "makeflat(String, \String)"
       "makeflat" method makes flat "multipart/*" message: This method breaks "multipart/*" block into each
       part, remove parts which are not needed to decode the bounce message such as "image/*" MIME type, and
       decode the encoded text part ("text/*", "message/*") in the body of each part that has
       "Content-Transfer-Encoding:" header and the value of the header is quoted-printabe, base64, or 7bit.

AUTHOR

       azumakuniyuki

COPYRIGHT

       Copyright (C) 2014-2016,2018-2024 azumakuniyuki, All rights reserved.

LICENSE

       This software is distributed under The BSD 2-Clause License.

perl v5.40.1                                       2025-04-12                              Sisimai::RFC2045(3pm)