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package Path::Dispatcher::Rule::Enum;
# ABSTRACT: one of a list of strings must match
our $VERSION = '1.08';
use Moo;
use MooX::TypeTiny;
use Types::Standard qw(Str ArrayRef Bool);
extends 'Path::Dispatcher::Rule';
has enum => (
is => 'ro',
isa => ArrayRef[Str],
required => 1,
);
has case_sensitive => (
is => 'ro',
isa => Bool,
default => 1,
);
sub _match {
my $self = shift;
my $path = shift;
if ($self->case_sensitive) {
for my $value (@{ $self->enum }) {
return {} if $path->path eq $value;
}
}
else {
for my $value (@{ $self->enum }) {
return {} if lc($path->path) eq lc($value);
}
}
return;
}
sub _prefix_match {
my $self = shift;
my $path = shift;
my $truncated = substr($path->path, 0, length($self->string));
if ($self->case_sensitive) {
for my $value (@{ $self->enum }) {
next unless $truncated eq $value;
return {
leftover => substr($path->path, length($self->string)),
};
}
}
else {
for my $value (@{ $self->enum }) {
next unless lc($truncated) eq lc($value);
return {
leftover => substr($path->path, length($self->string)),
};
}
}
return;
}
sub complete {
my $self = shift;
my $path = shift->path;
my @completions;
# by convention, complete does include the path itself if it
# is a complete match
my @enum = grep { length($path) < length($_) } @{ $self->enum };
if ($self->case_sensitive) {
for my $value (@enum) {
my $partial = substr($value, 0, length($path));
push @completions, $value if $partial eq $path;
}
}
else {
for my $value (@enum) {
my $partial = substr($value, 0, length($path));
push @completions, $value if lc($partial) eq lc($path);
}
}
return @completions;
}
__PACKAGE__->meta->make_immutable;
no Moo;
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Path::Dispatcher::Rule::Enum - one of a list of strings must match
=head1 VERSION
version 1.08
=head1 SYNOPSIS
my $rule = Path::Dispatcher::Rule::Enum->new(
enum => [qw(perl ruby python php)],
block => sub { warn "I love " . shift->pos(1) },
);
=head1 DESCRIPTION
Rules of this class check whether the path matches any of its
L</enum> strings.
=head1 ATTRIBUTES
=head2 enum
=head2 case_sensitive
=head1 SUPPORT
Bugs may be submitted through L<the RT bug tracker|https://rt.cpan.org/Public/Dist/Display.html?Name=Path-Dispatcher>
(or L<bug-Path-Dispatcher@rt.cpan.org|mailto:bug-Path-Dispatcher@rt.cpan.org>).
=head1 AUTHOR
Shawn M Moore, C<< <sartak at bestpractical.com> >>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2020 by Shawn M Moore.
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
|
