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Route.pm	18.9 KB	-rw-rw-rw-

Code Editor : Route.pm

package Mojolicious::Routes::Route;
use Mojo::Base -base;

use Carp ();
use Mojo::DynamicMethods -dispatch;
use Mojo::Util;
use Mojolicious::Routes::Pattern;

has [qw(inline partial)];
has 'children' => sub { [] };
has parent     => undef, weak => 1;
has pattern    => sub { Mojolicious::Routes::Pattern->new };

sub BUILD_DYNAMIC {
  my ($class, $method, $dyn_methods) = @_;

return sub {
    my $self    = shift;
    my $dynamic = $dyn_methods->{$self->root}{$method};
    return $self->$dynamic(@_) if $dynamic;
    my $package = ref($self);
    Carp::croak qq{Can't locate object method "$method" via package "$package"};
  };
}

sub add_child {
  my ($self, $route) = @_;
  push @{$self->children}, $route->remove->parent($self);
  $route->pattern->types($self->root->types);
  return $self;
}

sub any { shift->_generate_route(ref $_[0] eq 'ARRAY' ? shift : [], @_) }

sub delete { shift->_generate_route(DELETE => @_) }

sub detour { shift->partial(1)->to(@_) }

sub find { shift->_index->{shift()} }

sub get { shift->_generate_route(GET => @_) }

sub has_custom_name { !!shift->{custom} }

sub has_websocket {
  my $self = shift;
  return $self->{has_websocket} if exists $self->{has_websocket};
  return $self->{has_websocket} = grep { $_->is_websocket } @{$self->_chain};
}

sub is_endpoint { $_[0]->inline ? undef : !@{$_[0]->children} }

sub is_websocket { !!shift->{websocket} }

sub name {
  my $self = shift;
  return $self->{name} unless @_;
  @$self{qw(name custom)} = (shift, 1);
  return $self;
}

sub options { shift->_generate_route(OPTIONS => @_) }

sub over {
  my $self = shift;

# Routes with conditions can't be cached
  return $self->{over} unless @_;
  my $conditions = ref $_[0] eq 'ARRAY' ? $_[0] : [@_];
  return $self unless @$conditions;
  $self->{over} = $conditions;
  $self->root->cache->max_keys(0);

return $self;
}

sub parse {
  my $self = shift;
  $self->{name} = $self->pattern->parse(@_)->unparsed // '';
  $self->{name} =~ s/\W+//g;
  return $self;
}

sub patch { shift->_generate_route(PATCH => @_) }
sub post  { shift->_generate_route(POST  => @_) }
sub put   { shift->_generate_route(PUT   => @_) }

sub remove {
  my $self = shift;
  return $self unless my $parent = $self->parent;
  @{$parent->children} = grep { $_ ne $self } @{$parent->children};
  return $self->parent(undef);
}

sub render {
  my ($self, $values) = @_;
  my $path = join '', map { $_->pattern->render($values, !@{$_->children} && !$_->partial) } @{$self->_chain};
  return $path || '/';
}

sub root { shift->_chain->[0] }

sub route {
  my $self   = shift;
  my $route  = $self->add_child(__PACKAGE__->new->parse(@_))->children->[-1];
  my $format = $self->pattern->constraints->{format};
  $route->pattern->constraints->{format} //= 0 if defined $format && !$format;
  return $route;
}

sub suggested_method {
  my $self = shift;

my %via;
  for my $route (@{$self->_chain}) {
    next unless my @via = @{$route->via || []};
    %via = map { $_ => 1 } keys %via ? grep { $via{$_} } @via : @via;
  }

return 'POST' if $via{POST} && !$via{GET};
  return $via{GET} ? 'GET' : (sort keys %via)[0] || 'GET';
}

sub to {
  my $self = shift;

my $pattern = $self->pattern;
  return $pattern->defaults unless @_;
  my ($shortcut, %defaults) = Mojo::Util::_options(@_);

if ($shortcut) {

# Application
    if (ref $shortcut || $shortcut =~ /^[\w:]+$/) { $defaults{app} = $shortcut }

# Controller and action
    elsif ($shortcut =~ /^([\w\-:]+)?\#(\w+)?$/) {
      $defaults{controller} = $1 if defined $1;
      $defaults{action}     = $2 if defined $2;
    }
  }

@{$pattern->defaults}{keys %defaults} = values %defaults;

return $self;
}

sub to_string {
  join '', map { $_->pattern->unparsed // '' } @{shift->_chain};
}

sub under { shift->_generate_route(under => @_) }

sub via {
  my $self = shift;
  return $self->{via} unless @_;
  my $methods = [map uc($_), @{ref $_[0] ? $_[0] : [@_]}];
  $self->{via} = $methods if @$methods;
  return $self;
}

sub websocket {
  my $route = shift->get(@_);
  $route->{websocket} = 1;
  return $route;
}

sub _chain {
  my @chain = (my $parent = shift);
  unshift @chain, $parent while $parent = $parent->parent;
  return \@chain;
}

sub _generate_route {
  my ($self, $methods, @args) = @_;

my (@conditions, @constraints, %defaults, $name, $pattern);
  while (defined(my $arg = shift @args)) {

# First scalar is the pattern
    if (!ref $arg && !$pattern) { $pattern = $arg }

# Scalar
    elsif (!ref $arg && @args) { push @conditions, $arg, shift @args }

# Last scalar is the route name
    elsif (!ref $arg) { $name = $arg }

# Callback
    elsif (ref $arg eq 'CODE') { $defaults{cb} = $arg }

# Constraints
    elsif (ref $arg eq 'ARRAY') { push @constraints, @$arg }

# Defaults
    elsif (ref $arg eq 'HASH') { %defaults = (%defaults, %$arg) }
  }

my $route = $self->route($pattern, @constraints)->over(\@conditions)->to(\%defaults);
  $methods eq 'under' ? $route->inline(1) : $route->via($methods);

return defined $name ? $route->name($name) : $route;
}

sub _index {
  my $self = shift;

my (%auto, %custom);
  my @children = (@{$self->children});
  while (my $child = shift @children) {
    if   ($child->has_custom_name) { $custom{$child->name} ||= $child }
    else                           { $auto{$child->name}   ||= $child }
    push @children, @{$child->children};
  }

return {%auto, %custom};
}

=encoding utf8

=head1 NAME

Mojolicious::Routes::Route - Route

=head1 SYNOPSIS

use Mojolicious::Routes::Route;

my $r = Mojolicious::Routes::Route->new;

=head1 DESCRIPTION

L<Mojolicious::Routes::Route> is the route container used by L<Mojolicious::Routes>.

=head1 ATTRIBUTES

L<Mojolicious::Routes::Route> implements the following attributes.

=head2 children

my $children = $r->children;
  $r           = $r->children([Mojolicious::Routes::Route->new]);

The children of this route, used for nesting routes.

=head2 inline

my $bool = $r->inline;
  $r       = $r->inline($bool);

Allow L</"under"> semantics for this route.

=head2 parent

my $parent = $r->parent;
  $r         = $r->parent(Mojolicious::Routes::Route->new);

The parent of this route, usually a L<Mojolicious::Routes::Route> object. Note that this attribute is weakened.

=head2 partial

my $bool = $r->partial;
  $r       = $r->partial($bool);

Route has no specific end, remaining characters will be captured in C<path>.

=head2 pattern

my $pattern = $r->pattern;
  $r          = $r->pattern(Mojolicious::Routes::Pattern->new);

Pattern for this route, defaults to a L<Mojolicious::Routes::Pattern> object.

=head1 METHODS

L<Mojolicious::Routes::Route> inherits all methods from L<Mojo::Base> and implements the following new ones.

=head2 add_child

$r = $r->add_child(Mojolicious::Routes::Route->new);

Add a child to this route, it will be automatically removed from its current parent if necessary.

# Reattach route
  $r->add_child($r->find('foo'));

=head2 any

my $route = $r->any;
  my $route = $r->any('/:foo');
  my $route = $r->any('/:foo' => sub {...});
  my $route = $r->any('/:foo' => sub {...} => 'name');
  my $route = $r->any('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->any('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->any('/:foo' => (agent => qr/Firefox/) => sub {...});
  my $route = $r->any(['GET', 'POST'] => '/:foo' => sub {...});
  my $route = $r->any(['GET', 'POST'] => '/:foo' => [foo => qr/\w+/]);

Generate L<Mojolicious::Routes::Route> object matching any of the listed HTTP request methods or all.

# Route with pattern and destination
  $r->any('/user')->to('user#whatever');

All arguments are optional, but some have to appear in a certain order, like the two supported array reference values,
which contain the HTTP methods to match and restrictive placeholders.

# Route with HTTP methods, pattern, restrictive placeholders and destination
  $r->any(['DELETE', 'PUT'] => '/:foo' => [foo => qr/\w+/])->to('foo#bar');

There are also two supported string values, containing the route pattern and the route name, defaulting to the pattern
C</> and a name based on the pattern.

# Route with pattern, name and destination
  $r->any('/:foo' => 'foo_route')->to('foo#bar');

An arbitrary number of key/value pairs in between the route pattern and name can be used to specify route conditions.

# Route with pattern, condition and destination
  $r->any('/' => (agent => qr/Firefox/))->to('foo#bar');

A hash reference is used to specify optional placeholders and default values for the stash.

# Route with pattern, optional placeholder and destination
  $r->any('/:foo' => {foo => 'bar'})->to('foo#bar');

And a code reference can be used to specify a C<cb> value to be merged into the default values for the stash.

# Route with pattern and a closure as destination
  $r->any('/:foo' => sub {
    my $c = shift;
    $c->render(text => 'Hello World!');
  });

See L<Mojolicious::Guides::Tutorial> and L<Mojolicious::Guides::Routing> for more information.

=head2 delete

my $route = $r->delete;
  my $route = $r->delete('/:foo');
  my $route = $r->delete('/:foo' => sub {...});
  my $route = $r->delete('/:foo' => sub {...} => 'name');
  my $route = $r->delete('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->delete('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->delete('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only C<DELETE> requests, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->delete('/user')->to('user#remove');

=head2 detour

$r = $r->detour(action => 'foo');
  $r = $r->detour('controller#action');
  $r = $r->detour(Mojolicious->new, foo => 'bar');
  $r = $r->detour('MyApp', {foo => 'bar'});

Set default parameters for this route and allow partial matching to simplify application embedding, takes the same
arguments as L</"to">.

=head2 find

my $route = $r->find('foo');

Find child route by name, custom names have precedence over automatically generated ones.

# Change default parameters of a named route
  $r->find('show_user')->to(foo => 'bar');

=head2 get

my $route = $r->get;
  my $route = $r->get('/:foo');
  my $route = $r->get('/:foo' => sub {...});
  my $route = $r->get('/:foo' => sub {...} => 'name');
  my $route = $r->get('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->get('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->get('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only C<GET> requests, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->get('/user')->to('user#show');

=head2 has_custom_name

my $bool = $r->has_custom_name;

Check if this route has a custom name.

=head2 has_websocket

my $bool = $r->has_websocket;

Check if this route has a WebSocket ancestor and cache the result for future checks.

=head2 is_endpoint

my $bool = $r->is_endpoint;

Check if this route qualifies as an endpoint.

=head2 is_websocket

my $bool = $r->is_websocket;

Check if this route is a WebSocket.

=head2 name

my $name = $r->name;
  $r       = $r->name('foo');

The name of this route, defaults to an automatically generated name based on the route pattern. Note that the name
C<current> is reserved for referring to the current route.

# Route with destination and custom name
  $r->get('/user')->to('user#show')->name('show_user');

=head2 options

my $route = $r->options;
  my $route = $r->options('/:foo');
  my $route = $r->options('/:foo' => sub {...});
  my $route = $r->options('/:foo' => sub {...} => 'name');
  my $route = $r->options('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->options('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->options('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only C<OPTIONS> requests, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->options('/user')->to('user#overview');

=head2 over

my $over = $r->over;
  $r       = $r->over(foo => 1);
  $r       = $r->over(foo => 1, bar => {baz => 'yada'});
  $r       = $r->over([foo => 1, bar => {baz => 'yada'}]);

Activate conditions for this route. Note that this automatically disables the routing cache, since conditions are too
complex for caching.

# Route with condition and destination
  $r->get('/foo')->over(host => qr/mojolicious\.org/)->to('foo#bar');

=head2 parse

$r = $r->parse('/:action');
  $r = $r->parse('/:action', action => qr/\w+/);
  $r = $r->parse(format => 0);

Parse pattern.

=head2 patch

my $route = $r->patch;
  my $route = $r->patch('/:foo');
  my $route = $r->patch('/:foo' => sub {...});
  my $route = $r->patch('/:foo' => sub {...} => 'name');
  my $route = $r->patch('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->patch('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->patch('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only C<PATCH> requests, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->patch('/user')->to('user#update');

=head2 post

my $route = $r->post;
  my $route = $r->post('/:foo');
  my $route = $r->post('/:foo' => sub {...});
  my $route = $r->post('/:foo' => sub {...} => 'name');
  my $route = $r->post('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->post('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->post('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only C<POST> requests, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->post('/user')->to('user#create');

=head2 put

my $route = $r->put;
  my $route = $r->put('/:foo');
  my $route = $r->put('/:foo' => sub {...});
  my $route = $r->put('/:foo' => sub {...} => 'name');
  my $route = $r->put('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->put('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->put('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only C<PUT> requests, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->put('/user')->to('user#replace');

=head2 remove

$r = $r->remove;

Remove route from parent.

# Remove route completely
  $r->find('foo')->remove;

# Reattach route to new parent
  $r->route('/foo')->add_child($r->find('bar')->remove);

=head2 render

my $path = $r->render({foo => 'bar'});

Render route with parameters into a path.

=head2 root

my $root = $r->root;

The L<Mojolicious::Routes> object this route is a descendant of.

=head2 route

my $route = $r->route;
  my $route = $r->route('/:action');
  my $route = $r->route('/:action', action => qr/\w+/);
  my $route = $r->route(format => 0);

Low-level generator for routes matching all HTTP request methods, returns a L<Mojolicious::Routes::Route> object.

=head2 suggested_method

my $method = $r->suggested_method;

Suggested HTTP method for reaching this route, C<GET> and C<POST> are preferred.

=head2 to

my $defaults = $r->to;
  $r           = $r->to(action => 'foo');
  $r           = $r->to({action => 'foo'});
  $r           = $r->to('controller#action');
  $r           = $r->to('controller#action', foo => 'bar');
  $r           = $r->to('controller#action', {foo => 'bar'});
  $r           = $r->to(Mojolicious->new);
  $r           = $r->to(Mojolicious->new, foo => 'bar');
  $r           = $r->to(Mojolicious->new, {foo => 'bar'});
  $r           = $r->to('MyApp');
  $r           = $r->to('MyApp', foo => 'bar');
  $r           = $r->to('MyApp', {foo => 'bar'});

Set default parameters for this route.

=head2 to_string

my $str = $r->to_string;

Stringify the whole route.

=head2 under

my $route = $r->under(sub {...});
  my $route = $r->under('/:foo' => sub {...});
  my $route = $r->under('/:foo' => {foo => 'bar'});
  my $route = $r->under('/:foo' => [foo => qr/\w+/]);
  my $route = $r->under('/:foo' => (agent => qr/Firefox/));
  my $route = $r->under([format => 0]);

Generate L<Mojolicious::Routes::Route> object for a nested route with its own intermediate destination, takes the same
arguments as L</"any"> (except for the HTTP methods to match, which are not available). See
L<Mojolicious::Guides::Tutorial> and L<Mojolicious::Guides::Routing> for more information.

# Longer version
  $r->any('/:foo' => sub {...})->inline(1);

# Intermediate destination and prefix shared between two routes
  my $auth = $r->under('/user')->to('user#auth');
  $auth->get('/show')->to('#show');
  $auth->post('/create')->to('#create');

=head2 via

my $methods = $r->via;
  $r          = $r->via('GET');
  $r          = $r->via('GET', 'POST');
  $r          = $r->via(['GET', 'POST']);

Restrict HTTP methods this route is allowed to handle, defaults to no restrictions.

# Route with two methods and destination
  $r->route('/foo')->via('GET', 'POST')->to('foo#bar');

=head2 websocket

my $route = $r->websocket;
  my $route = $r->websocket('/:foo');
  my $route = $r->websocket('/:foo' => sub {...});
  my $route = $r->websocket('/:foo' => sub {...} => 'name');
  my $route = $r->websocket('/:foo' => {foo => 'bar'} => sub {...});
  my $route = $r->websocket('/:foo' => [foo => qr/\w+/] => sub {...});
  my $route = $r->websocket('/:foo' => (agent => qr/Firefox/) => sub {...});

Generate L<Mojolicious::Routes::Route> object matching only WebSocket handshakes, takes the same arguments as L</"any">
(except for the HTTP methods to match, which are implied). See L<Mojolicious::Guides::Tutorial> and
L<Mojolicious::Guides::Routing> for more information.

# Route with destination
  $r->websocket('/echo')->to('example#echo');

=head1 SHORTCUTS

In addition to the L</"ATTRIBUTES"> and L</"METHODS"> above you can also call shortcuts provided by L</"root"> on
L<Mojolicious::Routes::Route> objects.

# Add a "firefox" shortcut
  $r->root->add_shortcut(firefox => sub {
    my ($r, $path) = @_;
    $r->get($path, agent => qr/Firefox/);
  });

# Use "firefox" shortcut to generate routes
  $r->firefox('/welcome')->to('firefox#welcome');
  $r->firefox('/bye')->to('firefox#bye');

=head1 SEE ALSO

L<Mojolicious>, L<Mojolicious::Guides>, L<https://mojolicious.org>.

=cut

${this.title}

Code Editor : Route.pm