File Coverage

blib/lib/JSON/Schema/Modern/Vocabulary/Content.pm

Criterion	Covered	Total	%
statement	118	122	96.7
branch	28	30	93.3
condition	5	5	100.0
subroutine	25	26	96.1
pod	0	3	0.0
total	176	186	94.6

use strict;
use warnings;
package JSON::Schema::Modern::Vocabulary::Content;
# vim: set ts=8 sts=2 sw=2 tw=100 et :
# ABSTRACT: Implementation of the JSON Schema Content vocabulary

our $VERSION = '0.632';

use 5.020;
use Moo;
use strictures 2;
use stable 0.031 'postderef';
use experimental 'signatures';
no autovivification warn => qw(fetch store exists delete);
use if "$]" >= 5.022, experimental => 're_strict';
no if "$]" >= 5.031009, feature => 'indirect';
no if "$]" >= 5.033001, feature => 'multidimensional';
no if "$]" >= 5.033006, feature => 'bareword_filehandles';
no if "$]" >= 5.041009, feature => 'smartmatch';
no feature 'switch';
use Storable 'dclone';
use Feature::Compat::Try;
use JSON::Schema::Modern::Utilities qw(is_type A assert_keyword_type E abort);
use namespace::clean;

with 'JSON::Schema::Modern::Vocabulary';

sub vocabulary ($class) {
  'https://json-schema.org/draft/2019-09/vocab/content' => 'draft2019-09',
  'https://json-schema.org/draft/2020-12/vocab/content' => 'draft2020-12';
}

sub evaluation_order ($class) { 4 }

sub keywords ($class, $spec_version) {
  return (
    $spec_version !~ /^draft[46]\z/ ? qw(contentEncoding contentMediaType) : (),
    $spec_version !~ /^draft[467]\z/ ? 'contentSchema' : (),
  );
}

sub _traverse_keyword_contentEncoding ($class, $schema, $state) {
  return assert_keyword_type($state, $schema, 'string');
}

sub _eval_keyword_contentEncoding ($class, $data, $schema, $state) {
  return 1 if not is_type('string', $data);

  if ($state->{validate_content_schemas}) {
    my $decoder = $state->{evaluator}->get_encoding($schema->{contentEncoding});
    abort($state, 'cannot find decoder for contentEncoding "%s"', $schema->{contentEncoding})
      if not $decoder;

    # decode the data now, so we can report errors for the right keyword
    try {
      $state->{_content_ref} = $decoder->(\$data);
    }
    catch ($e) {
      chomp $e;
      return E($state, 'could not decode %s string: %s', $schema->{contentEncoding}, $e);
    }
  }

  return A($state, $schema->{$state->{keyword}});
}

*_traverse_keyword_contentMediaType = \&_traverse_keyword_contentEncoding;

sub _eval_keyword_contentMediaType ($class, $data, $schema, $state) {
  return 1 if not is_type('string', $data);

  if ($state->{validate_content_schemas}) {
    my $decoder = $state->{evaluator}->get_media_type($schema->{contentMediaType});
    abort($state, 'cannot find decoder for contentMediaType "%s"', $schema->{contentMediaType})
      if not $decoder;

    # contentEncoding failed to decode the content
    return 1 if exists $schema->{contentEncoding} and not exists $state->{_content_ref};

    # decode the data now, so we can report errors for the right keyword
    try {
      $state->{_content_ref} = $decoder->($state->{_content_ref} // \$data);
    }
    catch ($e) {
      chomp $e;
      delete $state->{_content_ref};
      return E($state, 'could not decode %s string: %s', $schema->{contentMediaType}, $e);
    }
  }

  return A($state, $schema->{$state->{keyword}});
}

sub _traverse_keyword_contentSchema ($class, $schema, $state) {
  $class->traverse_subschema($schema, $state);
}

sub _eval_keyword_contentSchema ($class, $data, $schema, $state) {
  return 1 if not exists $schema->{contentMediaType};
  return 1 if not is_type('string', $data);

  if ($state->{validate_content_schemas}) {
    return 1 if not exists $state->{_content_ref};  # contentMediaType failed to decode the content
    return E($state, 'subschema is not valid')
      if not $class->eval($state->{_content_ref}->$*, $schema->{contentSchema},
        { %$state, keyword_path => $state->{keyword_path}.'/contentSchema' });
  }

  return A($state, ref $schema->{contentSchema} ? dclone($schema->{contentSchema}) : $schema->{contentSchema});
}

1;

__END__