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# INTERNAL MODULE: guts for HashRef type from Types::Standard.
package Types::Standard::HashRef;
use 5.008001;
use strict;
use warnings;
BEGIN {
$Types::Standard::HashRef::AUTHORITY = 'cpan:TOBYINK';
$Types::Standard::HashRef::VERSION = '2.002001';
}
$Types::Standard::HashRef::VERSION =~ tr/_//d;
use Type::Tiny ();
use Types::Standard ();
use Types::TypeTiny ();
sub _croak ($;@) { require Error::TypeTiny; goto \&Error::TypeTiny::croak }
no warnings;
sub __constraint_generator {
return Types::Standard::HashRef unless @_;
my $param = shift;
Types::TypeTiny::is_TypeTiny( $param )
or _croak(
"Parameter to HashRef[`a] expected to be a type constraint; got $param" );
my $param_compiled_check = $param->compiled_check;
my $xsub;
if ( Type::Tiny::_USE_XS ) {
my $paramname = Type::Tiny::XS::is_known( $param_compiled_check );
$xsub = Type::Tiny::XS::get_coderef_for( "HashRef[$paramname]" )
if $paramname;
}
elsif ( Type::Tiny::_USE_MOUSE and $param->_has_xsub ) {
require Mouse::Util::TypeConstraints;
my $maker = "Mouse::Util::TypeConstraints"->can( "_parameterize_HashRef_for" );
$xsub = $maker->( $param ) if $maker;
}
return (
sub {
my $hash = shift;
$param->check( $_ ) || return for values %$hash;
return !!1;
},
$xsub,
);
} #/ sub __constraint_generator
sub __inline_generator {
my $param = shift;
my $compiled = $param->compiled_check;
my $xsubname;
if ( Type::Tiny::_USE_XS and not $Type::Tiny::AvoidCallbacks ) {
my $paramname = Type::Tiny::XS::is_known( $compiled );
$xsubname = Type::Tiny::XS::get_subname_for( "HashRef[$paramname]" );
}
return unless $param->can_be_inlined;
return sub {
my $v = $_[1];
return "$xsubname\($v\)" if $xsubname && !$Type::Tiny::AvoidCallbacks;
my $p = Types::Standard::HashRef->inline_check( $v );
my $param_check = $param->inline_check( '$i' );
"$p and do { "
. "my \$ok = 1; "
. "for my \$i (values \%{$v}) { "
. "(\$ok = 0, last) unless $param_check " . "}; " . "\$ok " . "}";
};
} #/ sub __inline_generator
sub __deep_explanation {
require B;
my ( $type, $value, $varname ) = @_;
my $param = $type->parameters->[0];
for my $k ( sort keys %$value ) {
my $item = $value->{$k};
next if $param->check( $item );
return [
sprintf( '"%s" constrains each value in the hash with "%s"', $type, $param ),
@{
$param->validate_explain(
$item, sprintf( '%s->{%s}', $varname, B::perlstring( $k ) )
)
},
];
} #/ for my $k ( sort keys %$value)
# This should never happen...
return; # uncoverable statement
} #/ sub __deep_explanation
sub __coercion_generator {
my ( $parent, $child, $param ) = @_;
return unless $param->has_coercion;
my $coercable_item = $param->coercion->_source_type_union;
my $C = "Type::Coercion"->new( type_constraint => $child );
if ( $param->coercion->can_be_inlined and $coercable_item->can_be_inlined ) {
$C->add_type_coercions(
$parent => Types::Standard::Stringable {
my @code;
push @code, 'do { my ($orig, $return_orig, %new) = ($_, 0);';
push @code, 'for (keys %$orig) {';
push @code,
sprintf(
'$return_orig++ && last unless (%s);',
$coercable_item->inline_check( '$orig->{$_}' )
);
push @code,
sprintf(
'$new{$_} = (%s);',
$param->coercion->inline_coercion( '$orig->{$_}' )
);
push @code, '}';
push @code, '$return_orig ? $orig : \\%new';
push @code, '}';
"@code";
}
);
} #/ if ( $param->coercion->...)
else {
$C->add_type_coercions(
$parent => sub {
my $value = @_ ? $_[0] : $_;
my %new;
for my $k ( keys %$value ) {
return $value unless $coercable_item->check( $value->{$k} );
$new{$k} = $param->coerce( $value->{$k} );
}
return \%new;
},
);
} #/ else [ if ( $param->coercion->...)]
return $C;
} #/ sub __coercion_generator
sub __hashref_allows_key {
my $self = shift;
Types::Standard::is_Str( $_[0] );
}
sub __hashref_allows_value {
my $self = shift;
my ( $key, $value ) = @_;
return !!0 unless $self->my_hashref_allows_key( $key );
return !!1 if $self == Types::Standard::HashRef();
my $href = $self->find_parent(
sub { $_->has_parent && $_->parent == Types::Standard::HashRef() } );
my $param = $href->type_parameter;
Types::Standard::is_Str( $key ) and $param->check( $value );
} #/ sub __hashref_allows_value
1;
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