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# INTERNAL MODULE: guts for ArrayRef type from Types::Standard.
package Types::Standard::ArrayRef;
use 5.008001;
use strict;
use warnings;
BEGIN {
$Types::Standard::ArrayRef::AUTHORITY = 'cpan:TOBYINK';
$Types::Standard::ArrayRef::VERSION = '2.002001';
}
$Types::Standard::ArrayRef::VERSION =~ tr/_//d;
use Type::Tiny ();
use Types::Standard ();
use Types::TypeTiny ();
sub _croak ($;@) { require Error::TypeTiny; goto \&Error::TypeTiny::croak }
no warnings;
sub __constraint_generator {
return Types::Standard::ArrayRef unless @_;
my $param = shift;
Types::TypeTiny::is_TypeTiny( $param )
or _croak(
"Parameter to ArrayRef[`a] expected to be a type constraint; got $param" );
my ( $min, $max ) = ( 0, -1 );
$min = Types::Standard::assert_Int( shift ) if @_;
$max = Types::Standard::assert_Int( shift ) if @_;
my $param_compiled_check = $param->compiled_check;
my $xsub;
if ( Type::Tiny::_USE_XS and $min == 0 and $max == -1 ) {
my $paramname = Type::Tiny::XS::is_known( $param_compiled_check );
$xsub = Type::Tiny::XS::get_coderef_for( "ArrayRef[$paramname]" )
if $paramname;
}
elsif ( Type::Tiny::_USE_MOUSE
and $param->_has_xsub
and $min == 0
and $max == -1 )
{
require Mouse::Util::TypeConstraints;
my $maker = "Mouse::Util::TypeConstraints"->can( "_parameterize_ArrayRef_for" );
$xsub = $maker->( $param ) if $maker;
}
return (
sub {
my $array = shift;
$param->check( $_ ) || return for @$array;
return !!1;
},
$xsub,
) if $min == 0 and $max == -1;
return sub {
my $array = shift;
return if @$array < $min;
$param->check( $_ ) || return for @$array;
return !!1;
}
if $max == -1;
return sub {
my $array = shift;
return if @$array > $max;
$param->check( $_ ) || return for @$array;
return !!1;
}
if $min == 0;
return sub {
my $array = shift;
return if @$array < $min;
return if @$array > $max;
$param->check( $_ ) || return for @$array;
return !!1;
};
} #/ sub __constraint_generator
sub __inline_generator {
my $param = shift;
my ( $min, $max ) = ( 0, -1 );
$min = shift if @_;
$max = shift if @_;
my $param_compiled_check = $param->compiled_check;
my $xsubname;
if ( Type::Tiny::_USE_XS and $min == 0 and $max == -1 ) {
my $paramname = Type::Tiny::XS::is_known( $param_compiled_check );
$xsubname = Type::Tiny::XS::get_subname_for( "ArrayRef[$paramname]" );
}
return unless $param->can_be_inlined;
return sub {
my $v = $_[1];
return "$xsubname\($v\)" if $xsubname && !$Type::Tiny::AvoidCallbacks;
my $p = Types::Standard::ArrayRef->inline_check( $v );
if ( $min != 0 ) {
$p .= sprintf( ' and @{%s} >= %d', $v, $min );
}
if ( $max > 0 ) {
$p .= sprintf( ' and @{%s} <= %d', $v, $max );
}
my $param_check = $param->inline_check( '$i' );
return $p if $param->{uniq} eq Types::Standard::Any->{uniq};
"$p and do { "
. "my \$ok = 1; "
. "for my \$i (\@{$v}) { "
. "(\$ok = 0, last) unless $param_check " . "}; " . "\$ok " . "}";
};
} #/ sub __inline_generator
sub __deep_explanation {
my ( $type, $value, $varname ) = @_;
my $param = $type->parameters->[0];
my ( $min, $max ) = ( 0, -1 );
$min = $type->parameters->[1] if @{ $type->parameters } > 1;
$max = $type->parameters->[2] if @{ $type->parameters } > 2;
if ( $min != 0 and @$value < $min ) {
return [
sprintf( '"%s" constrains array length at least %s', $type, $min ),
sprintf( '@{%s} is %d', $varname, scalar @$value ),
];
}
if ( $max > 0 and @$value > $max ) {
return [
sprintf( '"%s" constrains array length at most %d', $type, $max ),
sprintf( '@{%s} is %d', $varname, scalar @$value ),
];
}
for my $i ( 0 .. $#$value ) {
my $item = $value->[$i];
next if $param->check( $item );
return [
sprintf( '"%s" constrains each value in the array with "%s"', $type, $param ),
@{ $param->validate_explain( $item, sprintf( '%s->[%d]', $varname, $i ) ) },
];
}
# This should never happen...
return; # uncoverable statement
} #/ sub __deep_explanation
# XXX: min and max need to be handled by coercion?
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 (@$orig) {';
push @code,
sprintf(
'++$return_orig && last unless (%s);',
$coercable_item->inline_check( '$_' )
);
push @code,
sprintf(
'push @new, (%s);',
$param->coercion->inline_coercion( '$_' )
);
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 $item ( @$value ) {
return $value unless $coercable_item->check( $item );
push @new, $param->coerce( $item );
}
return \@new;
},
);
} #/ else [ if ( $param->coercion->...)]
return $C;
} #/ sub __coercion_generator
1;
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