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use strict;
use warnings;
package SchemaParser;
use feature 'state';
use JSON::MaybeXS 1.002004 'is_bool';
sub new {
return bless {}, __PACKAGE__;
}
# this is a very simple schema validator.
# It only understands boolean schemas, or schemas that say {"type":"boolean"}.
# Unrecognized keywords will be treated as the empty schema (i.e. a pass).
sub validate_data {
my ($self, $data, $schema) = @_;
return $schema if is_bool($schema);
die 'unrecognized schema type '.ref $schema if ref $schema ne 'HASH';
return 1 if not exists $schema->{type} or ref $schema->{type} eq 'HASH';
return is_bool($data) ? 1 : 0 if $schema->{type} eq 'boolean';
return 1;
}
sub validate_json_string {
my ($self, $data_string, $schema) = @_;
state $decoder = JSON::MaybeXS->new(utf8 => 1, allow_nonref => 1);
return $self->validate_data($decoder->decode($data_string), $schema);
}
1;
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