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.\" ========================================================================
.\"
.IX Title "Mojo::Content::MultiPart 3pm"
.TH Mojo::Content::MultiPart 3pm "2019-02-05" "perl v5.28.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Mojo::Content::MultiPart \- HTTP multipart content
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Mojo::Content::MultiPart;
\&
\&  my $multi = Mojo::Content::MultiPart\->new;
\&  $multi\->parse(\*(AqContent\-Type: multipart/mixed; boundary=\-\-\-foobar\*(Aq);
\&  my $single = $multi\->parts\->[4];
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Mojo::Content::MultiPart is a container for \s-1HTTP\s0 multipart content, based on
\&\s-1RFC 7230\s0 <http://tools.ietf.org/html/rfc7230>,
\&\s-1RFC 7231\s0 <http://tools.ietf.org/html/rfc7231> and
\&\s-1RFC 2388\s0 <http://tools.ietf.org/html/rfc2388>.
.SH "EVENTS"
.IX Header "EVENTS"
Mojo::Content::Multipart inherits all events from Mojo::Content and can
emit the following new ones.
.SS "part"
.IX Subsection "part"
.Vb 4
\&  $multi\->on(part => sub {
\&    my ($multi, $single) = @_;
\&    ...
\&  });
.Ve
.PP
Emitted when a new Mojo::Content::Single part starts.
.PP
.Vb 5
\&  $multi\->on(part => sub {
\&    my ($multi, $single) = @_;
\&    return unless $single\->headers\->content_disposition =~ /name="([^"]+)"/;
\&    say "Field: $1";
\&  });
.Ve
.SH "ATTRIBUTES"
.IX Header "ATTRIBUTES"
Mojo::Content::MultiPart inherits all attributes from Mojo::Content and
implements the following new ones.
.SS "parts"
.IX Subsection "parts"
.Vb 2
\&  my $parts = $multi\->parts;
\&  $multi    = $multi\->parts([Mojo::Content::Single\->new]);
.Ve
.PP
Content parts embedded in this multipart content, usually
Mojo::Content::Single objects.
.SH "METHODS"
.IX Header "METHODS"
Mojo::Content::MultiPart inherits all methods from Mojo::Content and
implements the following new ones.
.SS "body_contains"
.IX Subsection "body_contains"
.Vb 1
\&  my $bool = $multi\->body_contains(\*(Aqfoobarbaz\*(Aq);
.Ve
.PP
Check if content parts contain a specific string.
.SS "body_size"
.IX Subsection "body_size"
.Vb 1
\&  my $size = $multi\->body_size;
.Ve
.PP
Content size in bytes.
.SS "build_boundary"
.IX Subsection "build_boundary"
.Vb 1
\&  my $boundary = $multi\->build_boundary;
.Ve
.PP
Generate a suitable boundary for content and add it to \f(CW\*(C`Content\-Type\*(C'\fR header.
.SS "clone"
.IX Subsection "clone"
.Vb 1
\&  my $clone = $multi\->clone;
.Ve
.PP
Return a new Mojo::Content::MultiPart object cloned from this content if
possible, otherwise return \f(CW\*(C`undef\*(C'\fR.
.SS "get_body_chunk"
.IX Subsection "get_body_chunk"
.Vb 1
\&  my $bytes = $multi\->get_body_chunk(0);
.Ve
.PP
Get a chunk of content starting from a specific position. Note that it might
not be possible to get the same chunk twice if content was generated
dynamically.
.SS "is_multipart"
.IX Subsection "is_multipart"
.Vb 1
\&  my $bool = $multi\->is_multipart;
.Ve
.PP
True, this is a Mojo::Content::MultiPart object.
.SS "new"
.IX Subsection "new"
.Vb 5
\&  my $multi = Mojo::Content::MultiPart\->new;
\&  my $multi
\&    = Mojo::Content::MultiPart\->new(parts => [Mojo::Content::Single\->new]);
\&  my $multi
\&    = Mojo::Content::MultiPart\->new({parts => [Mojo::Content::Single\->new]});
.Ve
.PP
Construct a new Mojo::Content::MultiPart object and subscribe to \*(L"read\*(R"
event with default content parser.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Mojolicious, Mojolicious::Guides, <https://mojolicious.org>.