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.