.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35)
.\"
.\" Standard preamble:
.\" ========================================================================
.de Sp \" Vertical space (when we can't use .PP)
.if t .sp .5v
.if n .sp
..
.de Vb \" Begin verbatim text
.ft CW
.nf
.ne \\$1
..
.de Ve \" End verbatim text
.ft R
.fi
..
.\" Set up some character translations and predefined strings.  \*(-- will
.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
.\" double quote, and \*(R" will give a right double quote.  \*(C+ will
.\" give a nicer C++.  Capital omega is used to do unbreakable dashes and
.\" therefore won't be available.  \*(C` and \*(C' expand to `' in nroff,
.\" nothing in troff, for use with C<>.
.tr \(*W-
.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
.ie n \{\
.    ds -- \(*W-
.    ds PI pi
.    if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
.    if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\"  diablo 12 pitch
.    ds L" ""
.    ds R" ""
.    ds C` ""
.    ds C' ""
'br\}
.el\{\
.    ds -- \|\(em\|
.    ds PI \(*p
.    ds L" ``
.    ds R" ''
.    ds C`
.    ds C'
'br\}
.\"
.\" Escape single quotes in literal strings from groff's Unicode transform.
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\"
.\" If the F register is >0, we'll generate index entries on stderr for
.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
.\" entries marked with X<> in POD.  Of course, you'll have to process the
.\" output yourself in some meaningful fashion.
.\"
.\" Avoid warning from groff about undefined register 'F'.
.de IX
..
.nr rF 0
.if \n(.g .if rF .nr rF 1
.if (\n(rF:(\n(.g==0)) \{\
.    if \nF \{\
.        de IX
.        tm Index:\\$1\t\\n%\t"\\$2"
..
.        if !\nF==2 \{\
.            nr % 0
.            nr F 2
.        \}
.    \}
.\}
.rr rF
.\" ========================================================================
.\"
.IX Title "YAML::PP::Schema::JSON 3pm"
.TH YAML::PP::Schema::JSON 3pm "2020-09-11" "perl v5.30.3" "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"
YAML::PP::Schema::JSON \- YAML 1.2 JSON Schema
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&    my $yp = YAML::PP\->new( schema => [\*(AqJSON\*(Aq] );
\&    my $yp = YAML::PP\->new( schema => [qw/ JSON empty=str /] );
\&    my $yp = YAML::PP\->new( schema => [qw/ JSON empty=null /] );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
With this schema, the resolution of plain values will work like in \s-1JSON.\s0
Everything that matches a special value will be loaded as such, other plain
scalars will be loaded as strings.
.PP
Note that this is different from the official \s-1YAML 1.2 JSON\s0 Schema, where all
strings have to be quoted.
.PP
Here you can see all Schemas and examples implemented by \s-1YAML::PP:\s0
<https://perlpunk.github.io/YAML\-PP\-p5/schemas.html>
.PP
Official Schwma: <https://yaml.org/spec/1.2/spec.html#id2803231>
.SH "CONFIGURATION"
.IX Header "CONFIGURATION"
The official \s-1YAML 1.2 JSON\s0 Schema wants all strings to be quoted.
\&\s-1YAML::PP\s0 currently does not require that (it might do this optionally in
the future).
.PP
That means, there are no empty nodes allowed in the official schema. Example:
.PP
.Vb 2
\&    \-\-\-
\&    key:
.Ve
.PP
The default behaviour of YAML::PP::Schema::JSON is to return an empty string,
so it would be equivalent to:
.PP
.Vb 2
\&    \-\-\-
\&    key: \*(Aq\*(Aq
.Ve
.PP
You can configure it to resolve this as \f(CW\*(C`undef\*(C'\fR:
.PP
.Vb 1
\&    my $yp = YAML::PP\->new( schema => [qw/ JSON empty=null /] );
.Ve
.PP
This way it is equivalent to:
.PP
.Vb 2
\&    \-\-\-
\&    key: null
.Ve
.PP
The default is:
.PP
.Vb 1
\&    my $yp = YAML::PP\->new( schema => [qw/ JSON empty=str /] );
.Ve
.SH "METHODS"
.IX Header "METHODS"
.IP "register" 4
.IX Item "register"
Called by YAML::PP::Schema
.IP "represent_bool, represent_float, represent_int, represent_literal, represent_undef" 4
.IX Item "represent_bool, represent_float, represent_int, represent_literal, represent_undef"
Functions to represent the several node types.
.Sp
.Vb 1
\&    represent_bool($representer, $node);
.Ve