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# INTERNAL MODULE: guts for Map type from Types::Standard.
package Types::Standard::Map;
use 5.008001;
use strict;
use warnings;
BEGIN {
$Types::Standard::Map::AUTHORITY = 'cpan:TOBYINK';
$Types::Standard::Map::VERSION = '2.000001';
}
$Types::Standard::Map::VERSION =~ tr/_//d;
use Type::Tiny ();
use Types::Standard ();
use Types::TypeTiny ();
sub _croak ($;@) { require Error::TypeTiny; goto \&Error::TypeTiny::croak }
my $meta = Types::Standard->meta;
no warnings;
sub __constraint_generator {
return $meta->get_type( 'Map' ) unless @_;
my ( $keys, $values ) = @_;
Types::TypeTiny::is_TypeTiny( $keys )
or _croak(
"First parameter to Map[`k,`v] expected to be a type constraint; got $keys" );
Types::TypeTiny::is_TypeTiny( $values )
or _croak(
"Second parameter to Map[`k,`v] expected to be a type constraint; got $values"
);
my @xsub;
if ( Type::Tiny::_USE_XS ) {
my @known = map {
my $known = Type::Tiny::XS::is_known( $_->compiled_check );
defined( $known ) ? $known : ();
} ( $keys, $values );
if ( @known == 2 ) {
my $xsub = Type::Tiny::XS::get_coderef_for( sprintf "Map[%s,%s]", @known );
push @xsub, $xsub if $xsub;
}
} #/ if ( Type::Tiny::_USE_XS)
sub {
my $hash = shift;
$keys->check( $_ ) || return for keys %$hash;
$values->check( $_ ) || return for values %$hash;
return !!1;
}, @xsub;
} #/ sub __constraint_generator
sub __inline_generator {
my ( $k, $v ) = @_;
return unless $k->can_be_inlined && $v->can_be_inlined;
my $xsubname;
if ( Type::Tiny::_USE_XS ) {
my @known = map {
my $known = Type::Tiny::XS::is_known( $_->compiled_check );
defined( $known ) ? $known : ();
} ( $k, $v );
if ( @known == 2 ) {
$xsubname = Type::Tiny::XS::get_subname_for( sprintf "Map[%s,%s]", @known );
}
} #/ if ( Type::Tiny::_USE_XS)
return sub {
my $h = $_[1];
return "$xsubname\($h\)" if $xsubname && !$Type::Tiny::AvoidCallbacks;
my $p = Types::Standard::HashRef->inline_check( $h );
my $k_check = $k->inline_check( '$k' );
my $v_check = $v->inline_check( '$v' );
"$p and do { "
. "my \$ok = 1; "
. "for my \$v (values \%{$h}) { "
. "(\$ok = 0, last) unless $v_check " . "}; "
. "for my \$k (keys \%{$h}) { "
. "(\$ok = 0, last) unless $k_check " . "}; " . "\$ok " . "}";
};
} #/ sub __inline_generator
sub __deep_explanation {
require B;
my ( $type, $value, $varname ) = @_;
my ( $kparam, $vparam ) = @{ $type->parameters };
for my $k ( sort keys %$value ) {
unless ( $kparam->check( $k ) ) {
return [
sprintf( '"%s" constrains each key in the hash with "%s"', $type, $kparam ),
@{
$kparam->validate_explain(
$k, sprintf( 'key %s->{%s}', $varname, B::perlstring( $k ) )
)
},
];
} #/ unless ( $kparam->check( $k...))
unless ( $vparam->check( $value->{$k} ) ) {
return [
sprintf( '"%s" constrains each value in the hash with "%s"', $type, $vparam ),
@{
$vparam->validate_explain(
$value->{$k}, sprintf( '%s->{%s}', $varname, B::perlstring( $k ) )
)
},
];
} #/ unless ( $vparam->check( $value...))
} #/ for my $k ( sort keys %$value)
# This should never happen...
return; # uncoverable statement
} #/ sub __deep_explanation
sub __coercion_generator {
my ( $parent, $child, $kparam, $vparam ) = @_;
return unless $kparam->has_coercion || $vparam->has_coercion;
my $kcoercable_item =
$kparam->has_coercion
? $kparam->coercion->_source_type_union
: $kparam;
my $vcoercable_item =
$vparam->has_coercion
? $vparam->coercion->_source_type_union
: $vparam;
my $C = "Type::Coercion"->new( type_constraint => $child );
if ( ( !$kparam->has_coercion or $kparam->coercion->can_be_inlined )
and ( !$vparam->has_coercion or $vparam->coercion->can_be_inlined )
and $kcoercable_item->can_be_inlined
and $vcoercable_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);',
$kcoercable_item->inline_check( '$_' )
);
push @code,
sprintf(
'++$return_orig && last unless (%s);',
$vcoercable_item->inline_check( '$orig->{$_}' )
);
push @code, sprintf(
'$new{(%s)} = (%s);',
$kparam->has_coercion ? $kparam->coercion->inline_coercion( '$_' ) : '$_',
$vparam->has_coercion
? $vparam->coercion->inline_coercion( '$orig->{$_}' )
: '$orig->{$_}',
);
push @code, '}';
push @code, '$return_orig ? $orig : \\%new';
push @code, '}';
"@code";
}
);
} #/ if ( ( !$kparam->has_coercion...))
else {
$C->add_type_coercions(
$parent => sub {
my $value = @_ ? $_[0] : $_;
my %new;
for my $k ( keys %$value ) {
return $value
unless $kcoercable_item->check( $k )
&& $vcoercable_item->check( $value->{$k} );
$new{ $kparam->has_coercion ? $kparam->coerce( $k ) : $k } =
$vparam->has_coercion
? $vparam->coerce( $value->{$k} )
: $value->{$k};
}
return \%new;
},
);
} #/ else [ if ( ( !$kparam->has_coercion...))]
return $C;
} #/ sub __coercion_generator
sub __hashref_allows_key {
my $self = shift;
my ( $key ) = @_;
return Types::Standard::is_Str( $key ) if $self == Types::Standard::Map();
my $map = $self->find_parent(
sub { $_->has_parent && $_->parent == Types::Standard::Map() } );
my ( $kcheck, $vcheck ) = @{ $map->parameters };
( $kcheck or Types::Standard::Any() )->check( $key );
} #/ sub __hashref_allows_key
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::Map();
my $map = $self->find_parent(
sub { $_->has_parent && $_->parent == Types::Standard::Map() } );
my ( $kcheck, $vcheck ) = @{ $map->parameters };
( $kcheck or Types::Standard::Any() )->check( $key )
and ( $vcheck or Types::Standard::Any() )->check( $value );
} #/ sub __hashref_allows_value
1;
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