/usr/share/perl5/Dancer2/Core/Role/DSL.pm is in libdancer2-perl 0.204002+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | package Dancer2::Core::Role::DSL;
# ABSTRACT: Role for DSL
$Dancer2::Core::Role::DSL::VERSION = '0.204002';
use Moo::Role;
use Dancer2::Core::Types;
use Carp 'croak';
use Scalar::Util qw();
with 'Dancer2::Core::Role::Hookable';
has app => ( is => 'ro', required => 1 );
has keywords => (
is => 'rw',
isa => HashRef,
lazy => 1,
builder => '_build_dsl_keywords',
);
sub _build_dsl_keywords {
my ($self) = @_;
$self->can('dsl_keywords')
? $self->dsl_keywords
: {};
}
sub register {
my ( $self, $keyword, $is_global ) = @_;
my $keywords = $self->keywords;
my $pkg = ref($self);
$pkg =~ s/__WITH__.+$//;
if ( exists $keywords->{$keyword} ) {
my $reg_pkg = $keywords->{$keyword}{'pkg'};
$reg_pkg =~ s/__WITH__.+$//;
$reg_pkg eq $pkg and return;
croak "[$pkg] Keyword $keyword already registered by $reg_pkg";
}
$keywords->{$keyword} = { is_global => $is_global, pkg => $pkg };
}
sub dsl { $_[0] }
# exports new symbol to caller
sub export_symbols_to {
my ( $self, $caller, $args ) = @_;
my $exports = $self->_construct_export_map($args);
## no critic
foreach my $export ( keys %{$exports} ) {
no strict 'refs'; ## no critic (TestingAndDebugging::ProhibitNoStrict)
my $existing = *{"${caller}::${export}"}{CODE};
next if defined $existing;
*{"${caller}::${export}"} = $exports->{$export};
}
## use critic
return keys %{$exports};
}
# private
sub _compile_keyword {
my ( $self, $keyword, $opts ) = @_;
my $code = $opts->{is_global}
? sub { $self->$keyword(@_) }
: sub {
croak "Function '$keyword' must be called from a route handler"
unless defined $Dancer2::Core::Route::REQUEST;
$self->$keyword(@_)
};
return $self->_apply_prototype($code, $opts);
}
sub _apply_prototype {
my ($self, $code, $opts) = @_;
# set prototype if one is defined for the keyword. undef => no prototype
my $prototype;
exists $opts->{'prototype'} and $prototype = $opts->{'prototype'};
return Scalar::Util::set_prototype( \&$code, $prototype );
}
sub _construct_export_map {
my ( $self, $args ) = @_;
my $keywords = $self->keywords;
my %map;
foreach my $keyword ( keys %$keywords ) {
# check if the keyword were excluded from importation
$args->{ '!' . $keyword } and next;
$map{$keyword} = $self->_compile_keyword( $keyword, $keywords->{$keyword} );
}
return \%map;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Dancer2::Core::Role::DSL - Role for DSL
=head1 VERSION
version 0.204002
=head1 AUTHOR
Dancer Core Developers
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2016 by Alexis Sukrieh.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|