NAME

Mojo::JSON::Pointer - JSON Pointers

SYNOPSIS

use Mojo::JSON::Pointer;

my $pointer = Mojo::JSON::Pointer->new;
say $pointer->get({foo => [23, 'bar']}, '/foo/1');
say 'Contains "/foo".' if $pointer->contains({foo => [23, 'bar']}, '/foo');

DESCRIPTION

Mojo::JSON::Pointer is a relaxed implementation of RFC 6901.

METHODS

contains

my $bool = $pointer->contains($data, '/foo/1');

Check if data structure contains a value that can be identified with the given JSON Pointer.

# True
$pointer->contains({'♥' => 'mojolicious'}, '/♥');
$pointer->contains({foo => 'bar', baz => [4, 5, 6]}, '/foo');
$pointer->contains({foo => 'bar', baz => [4, 5, 6]}, '/baz/2');

# False
$pointer->contains({'♥' => 'mojolicious'}, '/☃');
$pointer->contains({foo => 'bar', baz => [4, 5, 6]}, '/bar');
$pointer->contains({foo => 'bar', baz => [4, 5, 6]}, '/baz/9');

get

my $value = $pointer->get($data, '/foo/bar');

Extract value identified by the given JSON Pointer.

# "mojolicious"
$pointer->get({'♥' => 'mojolicious'}, '/♥');

# "bar"
$pointer->get({foo => 'bar', baz => [4, 5, 6]}, '/foo');

# "4"
$pointer->get({foo => 'bar', baz => [4, 5, 6]}, '/baz/0');

# "6"
$pointer->get({foo => 'bar', baz => [4, 5, 6]}, '/baz/2');

SEE ALSO

Mojolicious, Mojolicious::Guides, http://mojolicio.us.