Mojo::JSON::Pointer - JSON Pointers

1. SYNOPSIS
2. DESCRIPTION
3. ATTRIBUTES
   1. data
4. METHODS
   1. contains
   2. get
   3. new
5. SEE ALSO

SYNOPSIS

use Mojo::JSON::Pointer;

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

DESCRIPTION

Mojo::JSON::Pointer is an implementation of RFC 6901.

ATTRIBUTES

Mojo::JSON::Pointer implements the following attributes.

data

my $data = $pointer->data;
$pointer = $pointer->data({foo => 'bar'});

Data structure to be processed.

METHODS

Mojo::JSON::Pointer inherits all methods from Mojo::Base and implements the following new ones.

contains

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

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

# True
Mojo::JSON::Pointer->new('just a string')->contains('');
Mojo::JSON::Pointer->new({'♥' => 'mojolicious'})->contains('/♥');
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5]})->contains('/foo');
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5]})->contains('/baz/1');

# False
Mojo::JSON::Pointer->new({'♥' => 'mojolicious'})->contains('/☃');
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5]})->contains('/bar');
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5]})->contains('/baz/9');

get

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

Extract value from "data" identified by the given JSON Pointer.

# "just a string"
Mojo::JSON::Pointer->new('just a string')->get('');

# "mojolicious"
Mojo::JSON::Pointer->new({'♥' => 'mojolicious'})->get('/♥');

# "bar"
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5, 6]})->get('/foo');

# "4"
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5, 6]})->get('/baz/0');

# "6"
Mojo::JSON::Pointer->new({foo => 'bar', baz => [4, 5, 6]})->get('/baz/2');

new

my $pointer = Mojo::JSON::Pointer->new;
my $pointer = Mojo::JSON::Pointer->new({foo => 'bar'});

Build new Mojo::JSON::Pointer object.

SEE ALSO

Mojolicious, Mojolicious::Guides, https://mojolicious.org.