CSS-Prepare
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lib/CSS/Prepare/Property/Margin.pm view on Meta::CPAN
package CSS::Prepare::Property::Margin;
use Modern::Perl;
use CSS::Prepare::Property::Expansions;
use CSS::Prepare::Property::Values;
sub parse {
my $self = shift;
my $has_hack = shift;
my $location = shift;
my %declaration = @_;
my $property = $declaration{'property'};
my $value = $declaration{'value'};
my %canonical;
my @errors;
my $valid_property_or_error = sub {
my $type = shift;
my $sub = "is_${type}_value";
my $is_valid = 0;
eval {
no strict 'refs';
$is_valid = &$sub( $value );
};
if ( $is_valid ) {
$canonical{ $property } = shorten_length_value( $value );
}
else {
$type =~ s{_}{-}g;
push @errors, {
error => "invalid ${type} property: '${value}'"
};
}
};
foreach my $direction qw( top right bottom left ) {
&$valid_property_or_error( 'margin_width' )
if "margin-${direction}" eq $property;
}
if ( 'margin' eq $property ) {
my $shorthand_properties = qr{
^
(?: $margin_width_value )
(?: \s+ $margin_width_value )?
(?: \s+ $margin_width_value )?
(?: \s+ $margin_width_value )?
$
}x;
if ( $value =~ m{$shorthand_properties}x ) {
%canonical = expand_trbl_shorthand(
'margin-%s',
$value
);
}
else {
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