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|
package MooseX::Meta::TypeConstraint::Doctype;
use Moose;
use Devel::PartialDump 'dump';
use Moose::Util::TypeConstraints qw(class_type find_type_constraint
match_on_type);
use Scalar::Util 'weaken';
use MooseX::Validation::Doctypes::Errors;
extends 'Moose::Meta::TypeConstraint';
class_type('Moose::Meta::TypeConstraint');
has doctype => (
is => 'ro',
isa => 'Ref',
required => 1,
);
has '+parent' => (
default => sub { find_type_constraint('Ref') },
);
has '+constraint' => (
lazy => 1,
default => sub {
weaken(my $self = shift);
return sub { !$self->validate_doctype($_) };
},
);
has '+message' => (
default => sub {
weaken(my $self = shift);
return sub { $self->validate_doctype($_) };
},
);
sub validate_doctype {
my $self = shift;
my ($data, $doctype, $prefix) = @_;
$doctype = $self->doctype
unless defined $doctype;
$prefix = ''
unless defined $prefix;
my ($errors, $extra_data);
match_on_type $doctype => (
'HashRef' => sub {
if (!find_type_constraint('HashRef')->check($data)) {
$errors = $data;
}
else {
for my $key (keys %$doctype) {
my $sub_errors = $self->validate_doctype(
$data->{$key},
$doctype->{$key},
join('.', (length($prefix) ? $prefix : ()), $key)
);
if ($sub_errors) {
if ($sub_errors->has_errors) {
$errors ||= {};
$errors->{$key} = $sub_errors->errors;
}
if ($sub_errors->has_extra_data) {
$extra_data ||= {};
$extra_data->{$key} = $sub_errors->extra_data;
}
}
}
for my $key (keys %$data) {
if (!exists $doctype->{$key}) {
$extra_data ||= {};
$extra_data->{$key} = $data->{$key};
}
}
}
},
'ArrayRef' => sub {
if (!find_type_constraint('ArrayRef')->check($data)) {
$errors = $data;
}
else {
for my $i (0..$#$doctype) {
my $sub_errors = $self->validate_doctype(
$data->[$i],
$doctype->[$i],
join('.', (length($prefix) ? $prefix : ()), "[$i]")
);
if ($sub_errors) {
if ($sub_errors->has_errors) {
$errors ||= [];
$errors->[$i] = $sub_errors->errors;
}
if ($sub_errors->has_extra_data) {
$extra_data ||= [];
$extra_data->[$i] = $sub_errors->extra_data;
}
}
}
for my $i (0..$#$data) {
next if $i < @$doctype;
$extra_data ||= [];
$extra_data->[$i] = $data->[$i];
}
}
},
'Str|Moose::Meta::TypeConstraint' => sub {
my $tc = Moose::Util::TypeConstraints::find_or_parse_type_constraint($doctype);
die "Unknown type $doctype" unless $tc;
if (!$tc->check($data)) {
$errors = "invalid value " . dump($data) . " for '$prefix'";
}
},
=> sub {
die "Unknown doctype at position '$prefix': " . dump($doctype);
},
);
return unless $errors || $extra_data;
return MooseX::Validation::Doctypes::Errors->new(
($errors ? (errors => $errors) : ()),
($extra_data ? (extra_data => $extra_data) : ()),
);
}
no Moose;
1;
|
