ABNF-Grammar
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lib/ABNF/Validator.pm view on Meta::CPAN
package ABNF::Validator;
=pod
=head1 NAME
ABNF::Validator - class to verify strings based on ABNF-grammars
=head1 DESCRIPTION
=head1 METHODS
=cut
use 5.014;
use strict;
use warnings;
use re 'eval';
use Carp;
use Readonly;
use Method::Signatures;
use Data::Dumper;
use Parse::ABNF;
use ABNF::Grammar qw(splitRule $BASIC_RULES);
use base qw(Exporter);
our @EXPORT_OK = qw(Validator);
Readonly my $ARGUMENTS_RULES => "generic_arguments_rule_for_";
Readonly my $CLASS_MAP => {
Choice => \&_choice,
Group => \&_group,
Range => \&_range,
Reference => \&_reference,
Repetition => \&_repetition,
Rule => \&_rule,
String => \&_string,
Literal => \&_literal,
ProseValue => \&_proseValue
};
=pod
=head1 ABNF::Validator->C<new>($grammar)
Creates a new B<ABNF::Validator> object.
$grammar isa B<ABNF::Grammar>.
=cut
method new(ABNF::Grammar $grammar) {
my $class = ref($self) || $self;
$self = { _grammar => $grammar };
bless($self, $class);
$self->_init();
return $self;
}
method _init() {
my $commands = $self->{_grammar}->commands();
$self->{_commandsPattern} = do {
my $pattern = join(" | ", @$commands);
qr/\A (?: $pattern ) \Z/ix;
};
$self->{_rules} = _value([
values($self->{_grammar}->rules()),
values($BASIC_RULES)
]);
$self->{_regexps} = do {
use Regexp::Grammars;
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