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package Perl::PrereqScanner::NotQuiteLite::Parser::Plack;
use strict;
use warnings;
use Perl::PrereqScanner::NotQuiteLite::Util;
sub register { return {
use => {
'Plack::Builder' => 'parse_plack_builder_args',
},
}}
sub parse_plack_builder_args {
my ($class, $c, $used_module, $raw_tokens) = @_;
# TODO: support add_middleware(_if) methods?
$c->register_keyword_parser(
'enable',
[$class, 'parse_enable_args', $used_module],
);
$c->register_keyword_parser(
'enable_if',
[$class, 'parse_enable_if_args', $used_module],
);
}
sub parse_enable_args {
my ($class, $c, $used_module, $raw_tokens) = @_;
my $tokens = convert_string_tokens($raw_tokens);
shift @$tokens; # discard 'enable' itself
my $module = shift @$tokens or return;
if ($module =~ s/^\+//) {
$c->add($module => 0);
} else {
$module =~ s/^Plack::Middleware:://;
$c->add("Plack::Middleware::".$module => 0);
}
}
sub parse_enable_if_args {
my ($class, $c, $used_module, $raw_tokens) = @_;
while(my $token = shift @$raw_tokens) {
last if $token->[1] eq 'COMMA' or ref $token->[0];
}
shift @$raw_tokens if $raw_tokens->[0][1] eq 'COMMA';
my $tokens = convert_string_tokens($raw_tokens);
my $module = shift @$tokens or return;
if ($module =~ s/^\+//) {
$c->add($module => 0);
} else {
$module =~ s/^Plack::Middleware:://;
$c->add("Plack::Middleware::".$module => 0);
}
}
1;
__END__
=encoding utf-8
=head1 NAME
Perl::PrereqScanner::NotQuiteLite::Parser::Plack
=head1 DESCRIPTION
This parser is to deal with Plack middlewares loaded by L<Plack::Builder>.
=head1 AUTHOR
Kenichi Ishigaki, E<lt>ishigaki@cpan.orgE<gt>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2015 by Kenichi Ishigaki.
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
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