sub new {
my ($class, $data) = @_;
my $config = { $class->_default_config, %{($data||{})->{config}||{}} };
- bless({ config => $config }, $class);
+ my $new = bless({ config => $config }, $class);
+ $new->BUILDALL($data);
+ $new;
}
+sub BUILDALL {
+ my ($self, $data) = @_;
+ my $targ = ref($self);
+ my @targ;
+ while ($targ->isa(__PACKAGE__) and $targ ne __PACKAGE__) {
+ push(@targ, "${targ}::BUILD")
+ if do {
+ no strict 'refs'; no warnings 'once';
+ defined *{"${targ}::BUILD"}{CODE}
+ };
+ my @targ_isa = do { no strict 'refs'; @{"${targ}::ISA"} };
+ die "${targ} uses Multiple Inheritance: ISA is: ".join ', ', @targ_isa
+ if @targ_isa > 1;
+ $targ = $targ_isa[0];
+ }
+ $self->$_($data) for reverse @targ;
+ return;
+}
+
+sub _setup_default_config {
+ my $class = shift;
+ {
+ no strict 'refs';
+ if (${"${class}::_default_config"}{CODE}) {
+ $class->_cannot_call_twice('_setup_default_config', 'default_config');
+ }
+ }
+ my @defaults = (@_, $class->_default_config);
+ {
+ no strict 'refs';
+ *{"${class}::_default_config"} = sub { @defaults };
+ }
+}
+
+sub _default_config { () }
+
sub config {
shift->{config};
}
sub _construct_response_filter {
- bless($_[1], 'Web::Simple::ResponseFilter');
-}
-
-sub _is_response_filter {
- # simple blessed() hack
- "$_[1]" =~ /\w+=[A-Z]/
- and $_[1]->isa('Web::Simple::ResponseFilter');
+ my ($class, $code) = @_;
+ my $self = do { no strict 'refs'; ${"${class}::self"} };
+ require Web::Dispatch::Wrapper;
+ Web::Dispatch::Wrapper->from_code(sub {
+ my @result = $_[1]->($_[0]);
+ if (@result) {
+ $self->_run_with_self($code, @result);
+ } else {
+ @result;
+ }
+ });
}
sub _construct_redispatch {
- bless(\$_[1], 'Web::Simple::Redispatch');
+ my ($class, $new_path) = @_;
+ require Web::Dispatch::Wrapper;
+ Web::Dispatch::Wrapper->from_code(sub {
+ $_[1]->({ %{$_[0]}, PATH_INFO => $new_path });
+ });
}
-sub _is_redispatch {
- return unless
- "$_[1]" =~ /\w+=[A-Z]/
- and $_[1]->isa('Web::Simple::Redispatch');
- return ${$_[1]};
+sub _build_dispatch_parser {
+ require Web::Dispatch::Parser;
+ return Web::Dispatch::Parser->new;
}
-sub _dispatch_parser {
- require Web::Simple::DispatchParser;
- return Web::Simple::DispatchParser->new;
+sub _cannot_call_twice {
+ my ($class, $method, $sub) = @_;
+ my $error = "Cannot call ${method} twice for ${class}";
+ if ($sub) {
+ $error .= " - did you call Web::Simple's ${sub} export twice?";
+ }
+ die $error;
}
-sub _setup_dispatchables {
- my ($class, $dispatch_subs) = @_;
- my $parser = $class->_dispatch_parser;
- my @dispatchables;
- foreach my $dispatch_sub (@$dispatch_subs) {
- my $proto = prototype $dispatch_sub;
- my $matcher = (
- defined($proto)
- ? $parser->parse_dispatch_specification($proto)
- : sub { ({}) }
- );
- push @dispatchables, [ $matcher, $dispatch_sub ];
+sub _setup_dispatcher {
+ my ($class, $dispatcher) = @_;
+ {
+ no strict 'refs';
+ if (${"${class}::_dispatcher"}{CODE}) {
+ $class->_cannot_call_twice('_setup_dispatcher', 'dispatch');
+ }
}
{
no strict 'refs';
- *{"${class}::_dispatchables"} = sub { @dispatchables };
+ *{"${class}::dispatch_request"} = $dispatcher;
}
}
-sub handle_request {
- my ($self, $env) = @_;
- $self->_run_dispatch_for($env, [ $self->_dispatchables ]);
-}
-
-sub _run_dispatch_for {
- my ($self, $env, $dispatchables) = @_;
- my @disp = @$dispatchables;
- while (my $disp = shift @disp) {
- my ($match, $run) = @{$disp};
- if (my ($env_delta, @args) = $match->($env)) {
- my $new_env = { %$env, %$env_delta };
- if (my ($result) = $self->_run_with_self($run, @args)) {
- if ($self->_is_response_filter($result)) {
- return $self->_run_with_self(
- $result,
- $self->_run_dispatch_for($new_env, \@disp)
- );
- } elsif (my $path = $self->_is_redispatch($result)) {
- $new_env->{PATH_INFO} = $path;
- return $self->_run_dispatch_for($new_env, $dispatchables);
- }
- return $result;
- }
- }
- }
- return [
- 500, [ 'Content-type', 'text/plain' ],
- 'The management apologises but we have no idea how to handle that'
- ];
+sub _build_final_dispatcher {
+ [ 404, [ 'Content-type', 'text/plain' ], [ 'Not found' ] ]
}
sub _run_with_self {
}
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;
+ # ->as_psgi_app is true for require() but also works for plackup
+ return $_[0]->as_psgi_app if caller(1);
+ my $self = ref($_[0]) ? $_[0] : $_[0]->new;
$self->run(@_);
}
+sub _run_cgi {
+ my $self = shift;
+ require Plack::Server::CGI;
+ Plack::Server::CGI->run($self->as_psgi_app);
+}
+
+sub _run_fcgi {
+ my $self = shift;
+ require Plack::Server::FCGI;
+ Plack::Server::FCGI->run($self->as_psgi_app);
+}
+
+sub as_psgi_app {
+ my $self = ref($_[0]) ? $_[0] : $_[0]->new;
+ 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 }
+ )->to_app;
+}
+
sub run {
my $self = shift;
- unless ($ENV{GATEWAY_INTERFACE}) {
- die "mst is an idiot and didn't fix non-CGI yet";
+ if ($ENV{PHP_FCGI_CHILDREN} || $ENV{FCGI_ROLE} || $ENV{FCGI_SOCKET_PATH}) {
+ return $self->_run_fcgi;
+ } elsif ($ENV{GATEWAY_INTERFACE}) {
+ return $self->_run_cgi;
+ }
+ unless (@ARGV && $ARGV[0] =~ m{^/}) {
+ return $self->_run_cli(@ARGV);
}
- require Web::Simple::HackedPlack;
- Plack::Server::CGI->run(sub { $self->handle_request(@_) });
+
+ my $path = shift @ARGV;
+
+ require HTTP::Request::Common;
+ require Plack::Test;
+ local *GET = \&HTTP::Request::Common::GET;
+
+ my $request = GET($path);
+ my $response;
+ Plack::Test::test_psgi($self->as_psgi_app, sub { $response = shift->($request) });
+ print $response->as_string;
+}
+
+sub _run_cli {
+ my $self = shift;
+ die $self->_cli_usage;
+}
+
+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