package Web::Simple::Application;
-use strict;
-use warnings FATAL => 'all';
+use Moo;
-{
- package Web::Simple::Dispatcher;
+has 'config' => (is => 'ro', trigger => sub {
+ my ($self, $value) = @_;
+ my %default = $self->_default_config;
+ my @not = grep !exists $value->{$_}, keys %default;
+ @{$value}{@not} = @default{@not};
+});
- sub _is_dispatcher {
- ref($_[1])
- and "$_[1]" =~ /\w+=[A-Z]/
- and $_[1]->isa(__PACKAGE__);
- }
-
- sub next {
- @_ > 1
- ? $_[0]->{next} = $_[1]
- : shift->{next}
- }
+sub default_config { () }
- sub set_next {
- $_[0]->{next} = $_[1];
- $_[0]
- }
-
- sub dispatch {
- my ($self, $env, @args) = @_;
- my $next = $self->next;
- if (my ($env_delta, @match) = $self->_match_against($env)) {
- if (my ($result) = $self->_execute_with(@args, @match)) {
- if ($self->_is_dispatcher($result)) {
- $next = $result->set_next($next);
- $env = { %$env, %$env_delta };
- } else {
- return $result;
- }
- }
- }
- return $next->dispatch($env, @args);
- }
+has '_dispatcher' => (is => 'lazy');
- sub _match_against {
- return ({}, $_[1]) unless $_[0]->{matches};
- $_[0]->{matches}->($_[1]);
- }
-
- sub _execute_with {
- $_[0]->{call}->(@_);
- }
+sub _build__dispatcher {
+ my $self = shift;
+ require Web::Dispatch;
+ require Web::Simple::DispatchNode;
+ my $final = $self->_build_final_dispatcher;
+ Web::Dispatch->new(
+ app => sub { $self->dispatch_request(@_), $final },
+ node_class => 'Web::Simple::DispatchNode',
+ node_args => { app_object => $self }
+ );
}
-sub new {
- my ($class, $data) = @_;
- my $config = { $class->_default_config, %{($data||{})->{config}||{}} };
- bless({ config => $config }, $class);
+sub _build_final_dispatcher {
+ [ 404, [ 'Content-type', 'text/plain' ], [ 'Not found' ] ]
}
-sub _default_config { () }
-
-sub config {
- shift->{config};
+sub run_if_script {
+ # ->to_psgi_app is true for require() but also works for plackup
+ return $_[0]->to_psgi_app if caller(1);
+ my $self = ref($_[0]) ? $_[0] : $_[0]->new;
+ $self->run(@_);
}
-sub _construct_response_filter {
- my $code = $_[1];
- $_[0]->_build_dispatcher({
- call => sub {
- my ($d, $self, $env) = (shift, shift, shift);
- $self->_run_with_self($code, $d->next->dispatch($env, $self, @_));
- },
- });
+sub _run_cgi {
+ my $self = shift;
+ require Plack::Server::CGI;
+ Plack::Server::CGI->run($self->to_psgi_app);
}
-sub _construct_redispatch {
- my ($self, $new_path) = @_;
- $self->_build_dispatcher({
- call => sub {
- shift;
- my ($self, $env) = @_;
- $self->handle_request({ %{$env}, PATH_INFO => $new_path })
- }
- })
+sub _run_fcgi {
+ my $self = shift;
+ require Plack::Server::FCGI;
+ Plack::Server::FCGI->run($self->to_psgi_app);
}
-sub _dispatch_parser {
- require Web::Simple::DispatchParser;
- return Web::Simple::DispatchParser->new;
+sub to_psgi_app {
+ my $self = ref($_[0]) ? $_[0] : $_[0]->new;
+ $self->_dispatcher->to_app;
}
-sub _setup_dispatchables {
- my ($class, $dispatch_subs) = @_;
- my $parser = $class->_dispatch_parser;
- my @dispatchables;
- my ($root, $last);
- foreach my $dispatch_sub (@$dispatch_subs) {
- my $proto = prototype $dispatch_sub;
- my $matcher = (
- defined($proto)
- ? $parser->parse_dispatch_specification($proto)
- : undef
- );
- my $new = $class->_build_dispatcher({
- matches => $matcher,
- call => sub { shift;
- shift->_run_with_self($dispatch_sub, @_)
- },
- });
- $root ||= $new;
- $last = $last ? $last->next($new) : $new;
- push @dispatchables, [ $matcher, $dispatch_sub ];
+sub run {
+ my $self = shift;
+ if ($ENV{PHP_FCGI_CHILDREN} || $ENV{FCGI_ROLE} || $ENV{FCGI_SOCKET_PATH}) {
+ return $self->_run_fcgi;
+ } elsif ($ENV{GATEWAY_INTERFACE}) {
+ return $self->_run_cgi;
}
- $last->next($class->_build_final_dispatcher);
- {
- no strict 'refs';
- *{"${class}::_dispatch_root"} = sub { $root };
+ unless (@ARGV && $ARGV[0] =~ m{^/}) {
+ return $self->_run_cli(@ARGV);
}
-}
-sub _build_dispatcher {
- bless($_[1], 'Web::Simple::Dispatcher');
-}
+ my $path = shift @ARGV;
-sub _build_final_dispatcher {
- shift->_build_dispatcher({
- call => sub {
- [
- 500, [ 'Content-type', 'text/plain' ],
- [ 'The management apologises but we have no idea how to handle that' ]
- ]
- }
- })
-}
-
-sub handle_request {
- my ($self, $env) = @_;
- $self->_dispatch_root->dispatch($env, $self);
-}
-
-sub _run_with_self {
- my ($self, $run, @args) = @_;
- my $class = ref($self);
- no strict 'refs';
- local *{"${class}::self"} = \$self;
- $self->$run(@args);
-}
+ require HTTP::Request::Common;
+ require Plack::Test;
+ local *GET = \&HTTP::Request::Common::GET;
-sub run_if_script {
- return 1 if caller(1); # 1 so we can be the last thing in the file
- my $class = shift;
- my $self = $class->new;
- $self->run(@_);
+ my $request = GET($path);
+ my $response;
+ Plack::Test::test_psgi($self->to_psgi_app, sub { $response = shift->($request) });
+ print $response->as_string;
}
-sub _run_cgi {
+sub _run_cli {
my $self = shift;
- require Web::Simple::HackedPlack;
- Plack::Server::CGI->run(sub { $self->handle_request(@_) });
+ die $self->_cli_usage;
}
-sub run {
- my $self = shift;
- if ($ENV{GATEWAY_INTERFACE}) {
- $self->_run_cgi;
- }
- my $path = shift(@ARGV) or die "No path passed - use $0 / for root";
-
- require HTTP::Request::AsCGI;
- require HTTP::Request::Common;
- local *GET = \&HTTP::Request::Common::GET;
-
- my $request = GET($path);
- my $c = HTTP::Request::AsCGI->new($request)->setup;
- $self->_run_cgi;
- $c->restore;
- print $c->response->as_string;
+sub _cli_usage {
+ "To run this script in CGI test mode, pass a URL path beginning with /:\n".
+ "\n".
+ " $0 /some/path\n".
+ " $0 /\n"
}
1;
projects / catagits/Web-Simple.git / blobdiff