--- /dev/null
+package CSS::Declare;
+
+use strict;
+use warnings;
+
+use Perl6::Gather;
+
+my $IN_SCOPE = 0;
+
+sub import {
+ die "Can't import CSS::Declare into a scope when already compiling one that uses it"
+ if $IN_SCOPE;
+ my ($class, @args) = @_;
+ my $opts = shift(@args) if ref($args[0]) eq 'HASH';
+ my $target = $class->_find_target(0, $opts);
+ my $unex = $class->_export_tags_into($target);
+ $class->_install_unexporter($unex);
+ $IN_SCOPE = 1;
+}
+
+sub _find_target {
+ my ($class, $extra_levels, $opts) = @_;
+ return $opts->{into} if defined($opts->{into});
+ my $level = ($opts->{into_level} || 1) + $extra_levels;
+ return (caller($level))[0];
+}
+
+my @properties = qw{
+background
+background_color
+border
+border_collapse
+border_top
+color
+float
+font_family
+font_size
+list_style_type
+margin
+padding
+};
+
+sub _export_tags_into {
+ my ($class, $into) = @_;
+ for my $property (@properties) {
+ my $property_name = $property;
+ $property_name =~ tr/_/-/;
+ no strict 'refs';
+ *{"$into\::$property"} = sub ($) { return ($property_name => $_[0]) };
+ }
+ return sub {
+ foreach my $property (@properties) {
+ no strict 'refs';
+ delete ${"${into}::"}{$property}
+ }
+ $IN_SCOPE = 0;
+ };
+}
+
+sub _install_unexporter {
+ my ($class, $unex) = @_;
+ $^H |= 0x120000; # localize %^H
+ $^H{'CSS::Declare::Unex'} = bless($unex, 'CSS::Declare::Unex');
+}
+
+sub to_css_string {
+ my @css = @_;
+ return join q{ }, gather {
+ while (my ($selector, $declarations) = splice(@css, 0, 2)) {
+ take "$selector "._generate_declarations($declarations)
+ }
+ };
+}
+
+sub _generate_declarations {
+ my $declarations = shift;
+
+ return '{'.join(q{;}, gather {
+ while (my ($property, $value) = splice(@{$declarations}, 0, 2)) {
+ take "$property:$value"
+ }
+ }).'}';
+}
+
+package CSS::Declare::Unex;
+
+sub DESTROY { local $@; eval { $_[0]->(); 1 } || warn "ARGH: $@" }
+
+1;