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.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
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.\" ========================================================================
.\"
.IX Title "HTTP::MultiPartParser 3"
.TH HTTP::MultiPartParser 3 "2017-04-10" "perl v5.26.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
HTTP::MultiPartParser \- HTTP MultiPart Parser
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 5
\&    $parser = HTTP::MultiPartParser\->new(
\&        boundary  => $boundary,
\&        on_header => $on_header,
\&        on_body   => $on_body,
\&    );
\&    
\&    while ($octets = read_octets_from_body()) {
\&        $parser\->parse($octets);
\&    }
\&    
\&    $parser\->finish;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This class provides a low-level \s-1API\s0 for processing MultiPart \s-1MIME\s0 data streams 
conforming to MultiPart types as defined in \s-1RFC 2616\s0 <http://tools.ietf.org/html/rfc2616#section-3.7.2>.
.SH "METHODS"
.IX Header "METHODS"
.SS "new"
.IX Subsection "new"
.Vb 1
\&    $parser = HTTP::MultiPartParser\->new( %attributes );
.Ve
.PP
This constructor returns a instance of \f(CW\*(C`HTTP::MultiPartParser\*(C'\fR. Valid 
attributes inculde:
.IP "\(bu" 4
\&\f(CW\*(C`boundary\*(C'\fR (Mandatory)
.Sp
.Vb 1
\&    boundary => $value
.Ve
.Sp
The unquoted and unescaped \fIboundary\fR parameter value from the Content-Type 
header field. The \fIboundary\fR parameter value consist of a restricted set of 
characters as defined in \s-1RFC 2046\s0 <http://tools.ietf.org/html/rfc2046#section-5.1.1>.
.Sp
.Vb 3
\&    DIGIT / ALPHA / "\*(Aq" / "(" / ")" /
\&    "+" / "_" / "," / "\-" / "." /
\&    "/" / ":" / "=" / "?"
.Ve
.IP "\(bu" 4
\&\f(CW\*(C`on_header\*(C'\fR (Mandatory)
.Sp
.Vb 1
\&    on_header => $callback\->($header)
.Ve
.Sp
This callback will be invoked when the header of a part has successfully been 
received. The callback will only be invoked once for each part.
.IP "\(bu" 4
\&\f(CW\*(C`on_header_as\*(C'\fR
.Sp
.Vb 1
\&    on_header_as => \*(Aqunparsed\*(Aq | \*(Aqlines\*(Aq
.Ve
.Sp
Defines the \f(CW$header\fR value for the \f(CW\*(C`on_header\*(C'\fR callback.
.RS 4
.IP "\(bu" 4
\&\f(CW\*(C`unparsed\*(C'\fR
.Sp
Callback invoked with an octet string containing the unparsed header.
.IP "\(bu" 4
\&\f(CW\*(C`lines\*(C'\fR
.Sp
Callback invoked with an \s-1ARRAY\s0 reference, where each element of the array is a 
header line. Folding whitespace is removed from all lines and header continuation 
lines are unwrapped.
.RE
.RS 4
.RE
.IP "\(bu" 4
\&\f(CW\*(C`on_body\*(C'\fR (Mandatory)
.Sp
.Vb 1
\&    on_body => $callback\->($chunk, $final)
.Ve
.Sp
This callback will be invoked when there is any data available for the body 
of a part. The callback may be invoked multiple times for each part.
.IP "\(bu" 4
\&\f(CW\*(C`on_error\*(C'\fR
.Sp
.Vb 1
\&    on_error => $callback\->($message)
.Ve
.Sp
This callback will be invoked anytime an error occurs in the parser. After
receiving an error the parser is no longer useful in its current state.
.IP "\(bu" 4
\&\f(CW\*(C`max_preamble_size\*(C'\fR
.Sp
.Vb 1
\&    max_preamble_size => 32768
.Ve
.IP "\(bu" 4
\&\f(CW\*(C`max_header_size\*(C'\fR
.Sp
.Vb 1
\&    max_header_size => 32768
.Ve
.SS "parse"
.IX Subsection "parse"
.Vb 1
\&    $parser\->parse($octets);
.Ve
.PP
Parses the given octets.
.SS "finish"
.IX Subsection "finish"
.Vb 1
\&    $parser\->finish;
.Ve
.PP
Finish the parsing.
.SS "reset"
.IX Subsection "reset"
.Vb 1
\&    $parser\->reset;
.Ve
.PP
Resets the state of the parser.
.SS "is_aborted"
.IX Subsection "is_aborted"
.Vb 1
\&    $boolean = $parser\->is_aborted;
.Ve
.PP
Returns true if an error has occurred in the parser.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
.ie n .IP "\fB(F)\fR Usage: %s" 4
.el .IP "\fB(F)\fR Usage: \f(CW%s\fR" 4
.IX Item "(F) Usage: %s"
Method called with wrong number of arguments.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\s-1RFC 2616\s0 section 3.7.2 Multipart Types <http://tools.ietf.org/html/rfc2616#section-3.7.2>" 4
.IX Item "RFC 2616 section 3.7.2 Multipart Types <http://tools.ietf.org/html/rfc2616#section-3.7.2>"
.PD 0
.IP "\s-1RFC 2046\s0 section 5.1.1 Common Syntax <http://tools.ietf.org/html/rfc2046#section-5.1.1>" 4
.IX Item "RFC 2046 section 5.1.1 Common Syntax <http://tools.ietf.org/html/rfc2046#section-5.1.1>"
.IP "\s-1RFC 2388\s0 multipart/form\-data <http://tools.ietf.org/html/rfc2388>" 4
.IX Item "RFC 2388 multipart/form-data <http://tools.ietf.org/html/rfc2388>"
.PD
.SH "SUPPORT"
.IX Header "SUPPORT"
.SS "Bugs / Feature Requests"
.IX Subsection "Bugs / Feature Requests"
Please report any bugs or feature requests through the issue tracker
at <https://github.com/chansen/p5\-http\-multipartparser/issues>.
You will be notified automatically of any progress on your issue.
.SS "\s-1SOURCE CODE\s0"
.IX Subsection "SOURCE CODE"
This is open source software. The code repository is available for public 
review and contribution under the terms of the license.
.PP
<httsp://github.com/chansen/p5\-http\-multipartparser>
.PP
.Vb 1
\&    git clone https://github.com/chansen/p5\-http\-multipartparser
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Christian Hansen \f(CW\*(C`chansen@cpan.org\*(C'\fR
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2012\-2017 by Christian Hansen.
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.