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|
package Dancer::Route::Registry;
our $AUTHORITY = 'cpan:SUKRIA';
# ABSTRACT: Route registry for Dancer
$Dancer::Route::Registry::VERSION = '1.3521';
use strict;
use warnings;
use Carp;
use Dancer::Route;
use base 'Dancer::Object';
use Dancer::Logger;
use Dancer::Exception qw(:all);
Dancer::Route::Registry->attributes(qw( id ));
my $id = 1;
sub init {
my ($self) = @_;
unless (defined $self->{id}) {
$self->id($id++);
}
# Routes are stored here. Keys are route methods, and values are
# arrays of routes. Routes with options are stored in the
# beginning of the array while routes without options are stored
# at the end.
$self->{routes} = {};
# Keep track of the border between routes with and without
# options, so that routes with options can be easily inserted into
# its routes array.
$self->{routes_border} = {};
return $self;
}
sub is_empty {
my ($self) = @_;
for my $method ( keys %{ $self->routes } ) {
return 0 if $self->routes($method);
}
return 1;
}
# replace any ':foo' by '(.+)' and stores all the named
# matches defined in $REG->{route_params}{$route}
sub routes {
my ($self, $method) = @_;
if ($method) {
my $route = $self->{routes}{$method};
return $route ? $route : [];
}
else {
return $self->{routes};
}
}
sub add_route {
my ($self, $route) = @_;
$self->{routes}{$route->method} ||= [];
my @registered = @{$self->routes($route->method)};
my $last = $registered[-1];
$route->set_previous($last) if defined $last;
# Routes are stored in the order they are declared. However,
# routes with options (such as ajax routes) are stored before
# routes without options. This way, we can have the following
# routes:
#
# get '/' => sub {};
# get qr{.*} => sub {};
# ajax '/' => sub {};
# ajax qr{.*} => sub {};
#
# And the user won't have to declare the ajax routes before the
# get routes.
if (keys %{$route->{options}}) {
splice @{$self->routes($route->method)},
$self->{routes_border}{$route->method}++,
0,
$route;
}
else {
push @{$self->routes($route->method)}, $route;
}
return $route;
}
# sugar for add_route
sub register_route {
my ($self, %args) = @_;
# look if the caller (where the route is declared) exists as a Dancer::App
# object
my ($package) = caller(2);
if ($package && Dancer::App->app_exists($package)) {
my $app = Dancer::App->get($package);
my $route = Dancer::Route->new(prefix => $app->prefix, %args);
return $app->registry->add_route($route);
}
else {
# FIXME maybe this code is useless, drop it later if so
my $route = Dancer::Route->new(%args);
return $self->add_route($route);
}
}
# sugar for Dancer.pm
# class, any, ARRAY(0x9864818), '/path', CODE(0x990ac88)
# or
# class, any, '/path', CODE(0x990ac88)
sub any_add {
my ($self, $pattern, @rest) = @_;
my @methods = qw(get post put patch delete options head);
if (ref($pattern) eq 'ARRAY') {
@methods = @$pattern;
# 'get' defaults to 'get' and 'head'
push @methods, 'head' if ((grep { $_ eq 'get' } @methods) and
not (grep { $_ eq 'head' } @methods));
$pattern = shift @rest;
}
raise core_route => "Syntax error, methods should be provided as an ARRAY ref"
if grep {$_ eq $pattern} @methods;
$self->universal_add($_, $pattern, @rest) for @methods;
return scalar(@methods);
}
sub universal_add {
my ($self, $method, $pattern, @rest) = @_;
my %options;
my $code;
if (@rest == 1) {
$code = $rest[0];
}
else {
%options = %{$rest[0]};
$code = $rest[1];
}
my %route_args = (
method => $method,
code => $code,
options => \%options,
pattern => $pattern,
);
return $self->register_route(%route_args);
}
# look for a route in the given array
sub find_route {
my ($self, $r, $reg) = @_;
foreach my $route (@$reg) {
return $route if $r->equals($route);
}
return;
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Dancer::Route::Registry - Route registry for Dancer
=head1 VERSION
version 1.3521
=head1 AUTHOR
Dancer Core Developers
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2010 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
|
