README
lib/LaTeX/TikZ.pm
lib/LaTeX/TikZ/Formatter.pm
+lib/LaTeX/TikZ/Functor.pm
lib/LaTeX/TikZ/Interface.pm
lib/LaTeX/TikZ/Meta/TypeConstraint/Autocoerce.pm
lib/LaTeX/TikZ/Mod.pm
t/21-layer.t
t/22-clip.t
t/23-pattern.t
+t/30-functor.t
t/91-pod.t
--- /dev/null
+package LaTeX::TikZ::Functor;
+
+use strict;
+use warnings;
+
+=head1 NAME
+
+LaTeX::TikZ::Functor - Build functor methods that recursively visit nodes of a LaTeX::TikZ::Set tree.
+
+=head1 VERSION
+
+Version 0.01
+
+=cut
+
+our $VERSION = '0.01';
+
+use Carp ();
+
+use Sub::Name ();
+
+use LaTeX::TikZ::Tools;
+
+use Any::Moose 'Util' => [ 'does_role' ];
+
+my $lts_tc = LaTeX::TikZ::Tools::type_constraint('LaTeX::TikZ::Set');
+
+my @default_set_rules;
+my @default_mod_rules;
+
+my ($validate_rule, $insert_rule);
+BEGIN {
+ $validate_rule = Sub::Name::subname('validate_rule' => sub {
+ my ($target, $handler) = @_;
+
+ unless (defined $target and ref $target eq ''
+ and $target =~ /[A-Za-z][A-Za-z0-9_]*(?:::[A-Za-z][A-Za-z0-9_]*)*/) {
+ Carp::confess("Invalid target $target");
+ }
+
+ (my $pm = $target) =~ s{::}{/}g;
+ $pm .= '.pm';
+ require $pm;
+
+ my $is_set;
+ if (does_role($target, 'LaTeX::TikZ::Set')) {
+ $is_set = 1;
+ } elsif (does_role($target, 'LaTeX::TikZ::Mod')) {
+ $is_set = 0;
+ } else {
+ Carp::confess("Target $target is neither a set nor a mod");
+ }
+
+ Carp::confess("Invalid handler for target $target")
+ unless ref $handler eq 'CODE';
+
+ return [ $target, $handler, $is_set ];
+ });
+
+ $insert_rule = Sub::Name::subname('insert_rule' => sub {
+ my ($rule, $list) = @_;
+
+ my $spec = $rule->[0];
+ for my $i (0 .. $#$list) {
+ my $old_spec = $list->[$i]->[0];
+ if ($old_spec->isa($spec) or does_role($old_spec, $spec)) {
+ splice @$list, $i, 1, $rule;
+ return 1;
+ }
+ }
+
+ push @$list, $rule;
+ return $#$list;
+ });
+}
+
+sub default_rule {
+ shift;
+
+ my $rule = $validate_rule->(@_);
+
+ $insert_rule->($rule, $rule->[2] ? \@default_set_rules : \@default_mod_rules);
+}
+
+sub new {
+ my ($class, %args) = @_;
+
+ my @set_rules = @default_set_rules;
+ my @mod_rules = @default_mod_rules;
+
+ my @user_rules = @{$args{rules} || []};
+ while (@user_rules) {
+ my ($target, $handler) = splice @user_rules, 0, 2;
+
+ my $rule = $validate_rule->($target, $handler);
+
+ $insert_rule->($rule, $rule->[2] ? \@set_rules : \@mod_rules);
+ }
+
+ my %dispatch = map { $_->[0] => $_ } @set_rules, @mod_rules;
+
+ my $self;
+
+ $self = bless sub {
+ my $set = shift;
+
+ $lts_tc->assert_valid($set);
+
+ my $rule = $dispatch{ref($set)};
+ unless ($rule) {
+ ($set->isa($_->[0]) or $set->does($_->[0])) and $rule = $_ for @set_rules;
+ $rule = [ undef, sub { $_[1] } ] unless $rule;
+ }
+ my $new_set = $rule->[1]->($self, $set, @_);
+ my $is_new = $new_set ne $set;
+
+ my @new_mods;
+MOD:
+ for my $mod ($set->mods) {
+ my $rule = $dispatch{ref($mod)};
+ unless ($rule) {
+ ($mod->isa($_->[0]) or $mod->does($_->[0])) and $rule = $_ for @mod_rules;
+ unless ($rule) {
+ push @new_mods, $mod;
+ next MOD;
+ }
+ }
+ push @new_mods, $rule->[1]->($self, $mod, @_);
+ }
+
+ $new_set->mod(@new_mods) if $is_new;
+
+ return $new_set;
+ }, $class;
+}
+
+use LaTeX::TikZ::Interface functor => sub {
+ shift;
+
+ __PACKAGE__->new(rules => \@_);
+};
+
+=head1 AUTHOR
+
+Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
+
+You can contact me by mail or on C<irc.perl.org> (vincent).
+
+=head1 BUGS
+
+Please report any bugs or feature requests to C<bug-latex-tikz at rt.cpan.org>, or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=LaTeX-TikZ>.
+I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
+
+=head1 SUPPORT
+
+You can find documentation for this module with the perldoc command.
+
+ perldoc LaTeX::TikZ
+
+=head1 COPYRIGHT & LICENSE
+
+Copyright 2010 Vincent Pit, all rights reserved.
+
+This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
+
+=cut
+
+1; # End of LaTeX::TikZ::Functor
sub load {
require LaTeX::TikZ::Formatter; # formatter
+ require LaTeX::TikZ::Functor; # functor
require LaTeX::TikZ::Set::Raw; # raw
use LaTeX::TikZ::Formatter;
use LaTeX::TikZ::Mod::Formatted;
+use LaTeX::TikZ::Functor;
+
use LaTeX::TikZ::Tools;
use Any::Moose;
__PACKAGE__->new(clip => $_[0]);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $mod, @args) = @_;
+ $mod->new(clip => $mod->clip->$functor(@args))
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use LaTeX::TikZ::Set::Point;
+use LaTeX::TikZ::Functor;
+
use LaTeX::TikZ::Tools;
use Any::Moose;
__PACKAGE__->new(center => $_[0], radius => $_[1]);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(
+ center => $set->center->$functor(@args),
+ radius => $set->radius,
+ );
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use LaTeX::TikZ::Set::Point;
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
with 'LaTeX::TikZ::Set::Op';
__PACKAGE__->new(from => $_[0], to => $_[1]);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(map { $_ => $set->$_->$functor(@args) } qw/from to/)
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
our $VERSION = '0.01';
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
use Any::Moose 'Util::TypeConstraints'
=> [ qw/subtype as where find_type_constraint/ ];
__PACKAGE__->new(ops => \@_);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(ops => [ map $_->$functor(@args), $set->ops ])
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use LaTeX::TikZ::Point;
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
use Any::Moose 'Util::TypeConstraints';
__PACKAGE__->new(point => $point);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(point => $set->point);
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use LaTeX::TikZ::Set::Point;
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
use Any::Moose 'Util::TypeConstraints';
__PACKAGE__->new(points => \@_, closed => 1);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(
+ points => [ map $_->$functor(@args), $set->points ],
+ closed => $set->closed,
+ );
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
our $VERSION = '0.01';
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
with 'LaTeX::TikZ::Set::Op';
__PACKAGE__->new(content => join ' ', @_);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(content => $set->content);
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use LaTeX::TikZ::Set::Point;
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
with 'LaTeX::TikZ::Set::Op';
);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(map { $_ => $set->$_->$functor(@args) } qw/from to/)
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use LaTeX::TikZ::Scope;
+use LaTeX::TikZ::Functor;
+
use Any::Moose;
use Any::Moose 'Util::TypeConstraints'
=> [ qw/subtype as where find_type_constraint/ ];
__PACKAGE__->new(kids => \@_);
};
+LaTeX::TikZ::Functor->default_rule(
+ (__PACKAGE__) => sub {
+ my ($functor, $set, @args) = @_;
+ $set->new(kids => [ map $_->$functor(@args), $set->kids ])
+ }
+);
+
__PACKAGE__->meta->make_immutable;
=head1 AUTHOR
use strict;
use warnings;
-use Test::More tests => 32;
+use Test::More tests => 33;
BEGIN {
use_ok( 'LaTeX::TikZ' );
use_ok( 'LaTeX::TikZ::Formatter' );
+ use_ok( 'LaTeX::TikZ::Functor' );
use_ok( 'LaTeX::TikZ::Interface' );
use_ok(' LaTeX::TikZ::Meta::TypeConstraint::Autocoerce' );
use_ok( 'LaTeX::TikZ::Mod' );
use strict;
use warnings;
-use Test::More tests => 5 + 18 + 12;
+use Test::More tests => 5 + 20 + 12;
use LaTeX::TikZ;
}
my @methods = qw/
+ formatter functor
raw
path seq
point line polyline closed_polyline rectangle circle arc arrow
--- /dev/null
+#!perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 4 + 2 * 4;
+
+use LaTeX::TikZ;
+
+my $tikz = Tikz->formatter(
+ format => '%d',
+);
+
+sub check {
+ my ($set, $desc, $exp) = @_;
+
+ local $Test::Builder::Level = $Test::Builder::Level + 1;
+
+ my ($head, $decl, $body) = eval {
+ $tikz->render(ref $set eq 'ARRAY' ? @$set : $set);
+ };
+ is $@, '', "$desc: no error";
+
+ unless (ref $exp eq 'ARRAY') {
+ $exp = [ split /\n/, $exp ];
+ }
+ unshift @$exp, '\begin{tikzpicture}';
+ push @$exp, '\end{tikzpicture}';
+
+ is_deeply $body, $exp, $desc;
+}
+
+my $translate = eval {
+ Tikz->functor(
+ 'LaTeX::TikZ::Set::Point' => sub {
+ my ($functor, $set, $v) = @_;
+
+ $set->new(
+ point => [
+ $set->x + $v->x,
+ $set->y + $v->y,
+ ],
+ );
+ },
+ );
+};
+is $@, '', 'creating a translator doesn\'t croak';
+
+my $seq = Tikz->seq(
+ Tikz->point,
+ Tikz->raw('foo'),
+ Tikz->point(2),
+ Tikz->line(-1 => 3)
+ ->clip(Tikz->circle(1, 1))
+ )
+ ->clip(Tikz->rectangle([0, -1] => [2, 3]));
+
+my $seq2 = eval {
+ $seq->$translate(Tikz->point(-1, 1));
+};
+is $@, '', 'translating a sequence doesn\'t croak';
+
+check $seq, 'the original sequence', <<'RES';
+\begin{scope}
+\clip (0cm,-1cm) rectangle (2cm,3cm) ;
+\draw (0cm,0cm) ;
+\draw foo ;
+\draw (2cm,0cm) ;
+\begin{scope}
+\clip (1cm,0cm) circle (1cm) ;
+\draw (-1cm,0cm) -- (3cm,0cm) ;
+\end{scope}
+\end{scope}
+RES
+
+check $seq2, 'the translated sequence', <<'RES';
+\begin{scope}
+\clip (-1cm,0cm) rectangle (1cm,4cm) ;
+\draw (-1cm,1cm) ;
+\draw foo ;
+\draw (1cm,1cm) ;
+\begin{scope}
+\clip (0cm,1cm) circle (1cm) ;
+\draw (-2cm,1cm) -- (2cm,1cm) ;
+\end{scope}
+\end{scope}
+RES
+
+my $strip = eval {
+ Tikz->functor(
+ 'LaTeX::TikZ::Mod' => sub { return },
+ );
+};
+is $@, '', 'creating a stripper doesn\'t croak';
+
+$_->mod(Tikz->color('red')) for $seq2->kids;
+
+my $seq3 = eval {
+ $seq2->$strip;
+};
+is $@, '', 'stripping a sequence doesn\'t croak';
+
+check $seq2, 'the original sequence', <<'RES';
+\begin{scope} [color=red]
+\clip (-1cm,0cm) rectangle (1cm,4cm) ;
+\draw (-1cm,1cm) ;
+\draw foo ;
+\draw (1cm,1cm) ;
+\begin{scope}
+\clip (0cm,1cm) circle (1cm) ;
+\draw (-2cm,1cm) -- (2cm,1cm) ;
+\end{scope}
+\end{scope}
+RES
+
+check $seq3, 'the stripped sequence', <<'RES';
+\draw (-1cm,1cm) ;
+\draw foo ;
+\draw (1cm,1cm) ;
+\draw (-2cm,1cm) -- (2cm,1cm) ;
+RES
projects / perl / modules / LaTeX-TikZ.git / commitdiff