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Manual Reference Pages  -  MOJO::JSON::POINTER (3)

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NAME

Mojo::JSON::Pointer - JSON Pointers

CONTENTS

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 a relaxed implementation of RFC 6901 <http://tools.ietf.org/html/rfc6901>.

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({X => mojolicious})->contains(/X);
  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({X => mojolicious})->contains(/X);
  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({X => mojolicious})->get(/X);

  # "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, <http://mojolicious.org>.
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perl v5.20.3 MOJO::JSON::POINTER (3) 2016-03-15

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