File Coverage

lib/Perl/PrereqScanner/NotQuiteLite/Parser/FeatureCompatClass.pm

Criterion	Covered	Total	%
statement	33	43	76.7
branch	8	14	57.1
condition	12	23	52.1
subroutine	6	7	85.7
pod	0	4	0.0
total	59	91	64.8

package Perl::PrereqScanner::NotQuiteLite::Parser::FeatureCompatClass;

use strict;
use warnings;
use Perl::PrereqScanner::NotQuiteLite::Util;

sub register { return {
  use => {
    'Feature::Compat::Class' => 'parse_feature_compat_class_args',
  },
}}

sub parse_feature_compat_class_args {
  my ($class, $c, $used_module, $raw_tokens) = @_;

  $c->register_sub_parser(
    'class',
    [$class, 'parse_class_args', $used_module],
  );
  # not implemented yet
  # $c->register_sub_parser(
  #   'role',
  #   [$class, 'parse_role_args', $used_module],
  # );

  $c->register_keyword_parser(
    'class',
    [$class, 'parse_class_args', $used_module],
  );
  # not implemented yet
  # $c->register_keyword_parser(
  #   'role',
  #   [$class, 'parse_role_args', $used_module],
  # );

  # role is not implemented yet
  $c->register_sub_keywords(qw/
     class method
  /);

  $c->prototype_re(qr{\G(\((?:[^\\\(\)]*(?:\\.[^\\\(\)]*)*)\))});
}

sub parse_class_args {
  my ($class, $c, $used_module, $raw_tokens) = @_;

  my $tokens = convert_string_tokens($raw_tokens);
  shift @$tokens; # discard class

  my $isa = my $does = 0;
  while(my $token = shift @$tokens) {
    my ($name, $version) = ('', 0);
    if (ref $token && $token->[1] && $token->[1] eq 'WORD') {
      if (is_module_name($token->[0])) {
        $name = $token->[0];
        if (@$tokens && is_version($tokens->[0])) {
          $version = shift @$tokens;
        }
        $c->add_package($name => $version);
      }
    }
    if (ref $token && $token->[1] && $token->[1] eq 'ATTRIBUTE') {
      while($token->[0] =~ s/:(?:isa|does)\(([^)]+)\)//) {
        my ($name, $version) = split /\s+/, $1;
        $version ||= 0;
        if (is_module_name($name) && is_version($version)) {
          $c->add($name => $version);
        }
      }
    }
  }
}

sub parse_role_args {
  my ($class, $c, $used_module, $raw_tokens) = @_;

  my $tokens = convert_string_tokens($raw_tokens);
  shift @$tokens; # discard role

  while(my $token = shift @$tokens) {
    my ($name, $version) = ('', 0);
    if (is_module_name($token->[0])) {
      $name = $token->[0];
      if (@$tokens && is_version($tokens->[0])) {
        $version = shift @$tokens;
      }
      $c->add_package($name => $version);
    }
  }
}

1;

__END__