use Cwd;
use Class::Load 'is_class_loaded';
use String::RewritePrefix;
-
+use Class::Load ();
use namespace::clean;
=head1 NAME
( my $path = $inc_entry) =~ s/\.pm$//;
my $home = dir($path)->absolute->cleanup;
- # return if if it's a valid directory
+ # return if it's a valid directory
return $home->stringify if -d $home;
}
}
As last resort, default value of 80 chars will be used.
+Calling C<term_width> with a true value will cause it to be recalculated; you
+can use this to cause it to get recalculated when your terminal is resized like
+this
+
+ $SIG{WINCH} = sub { Catalyst::Utils::term_width(1) };
+
=cut
my $_term_width;
sub term_width {
+ my $force_reset = shift;
+
+ undef $_term_width if $force_reset;
+
return $_term_width if $_term_width;
my $width;
eval '
- require Term::Size::Any;
- my ($columns, $rows) = Term::Size::Any::chars;
- $width = $columns;
- 1;
+ use Term::Size::Any;
+ ($width) = Term::Size::Any::chars;
+ 1;
' or do {
+ if($@ =~m[Can't locate Term/Size/Any.pm]) {
+ warn "Term::Size::Any is not installed, can't autodetect terminal column width\n";
+ } else {
+ warn "There was an error trying to detect your terminal size: $@\n";
+ }
+ warn 'Trouble trying to detect your terminal size, looking at $ENV{COLUMNS}'."\n";
$width = $ENV{COLUMNS}
if exists($ENV{COLUMNS})
&& $ENV{COLUMNS} =~ m/^\d+$/;
};
- $width = 80 unless ($width && $width >= 80);
+ do {
+ warn "Cannot determine desired terminal width, using default of 80 columns\n";
+ $width = 80 } unless ($width && $width >= 80);
return $_term_width = $width;
}
}, @classes);
}
+=head2 build_middleware (@args)
+
+Internal application that converts a single middleware definition (see
+L<Catalyst/psgi_middleware>) into an actual instance of middleware.
+
+=cut
+
+sub build_middleware {
+ my ($class, $namespace, @init_args) = @_;
+
+ if(
+ $namespace =~s/^\+// ||
+ $namespace =~/^Plack::Middleware/ ||
+ $namespace =~/^$class/
+ ) { ## the string is a full namespace
+ return Class::Load::try_load_class($namespace) ?
+ $namespace->new(@init_args) :
+ die "Can't load class $namespace";
+ } else { ## the string is a partial namespace
+ if(Class::Load::try_load_class($class .'::Middleware::'. $namespace)) { ## Load Middleware from Project namespace
+ my $ns = $class .'::Middleware::'. $namespace;
+ return $ns->new(@init_args);
+ } elsif(Class::Load::try_load_class("Plack::Middleware::$namespace")) { ## Act like Plack::Builder
+ return "Plack::Middleware::$namespace"->new(@init_args);
+ } else {
+ die "Can't load middleware via '$namespace'. It's not ".$class."::Middleware::".$namespace." or Plack::Middleware::$namespace";
+ }
+ }
+
+ return; ## be sure we can count on a proper return when valid
+}
+
+=head2 apply_registered_middleware ($psgi)
+
+Given a $psgi reference, wrap all the L<Catalyst/registered_middlewares>
+around it and return the wrapped version.
+
+This exists to deal with the fact Catalyst registered middleware can be
+either an object with a wrap method or a coderef.
+
+=cut
+
+sub apply_registered_middleware {
+ my ($class, $psgi) = @_;
+ my $new_psgi = $psgi;
+ foreach my $middleware ($class->registered_middlewares) {
+ $new_psgi = Scalar::Util::blessed $middleware ?
+ $middleware->wrap($new_psgi) :
+ $middleware->($new_psgi);
+ }
+ return $new_psgi;
+}
+
+
+
+=head1 PSGI Helpers
+
+Utility functions to make it easier to work with PSGI applications under Catalyst
+
+=head2 env_at_path_prefix
+
+Localize C<$env> under the current controller path prefix:
+
+ package MyApp::Controller::User;
+
+ use Catalyst::Utils;
+
+ use base 'Catalyst::Controller';
+
+ sub name :Local {
+ my ($self, $c) = @_;
+ my $env = $c->Catalyst::Utils::env_at_path_prefix;
+ }
+
+Assuming you have a request like GET /user/name:
+
+In the example case C<$env> will have PATH_INFO of '/name' instead of
+'/user/name' and SCRIPT_NAME will now be '/user'.
+
+=cut
+
+sub env_at_path_prefix {
+ my $ctx = shift;
+ my $path_prefix = $ctx->controller->path_prefix;
+ my $env = $ctx->request->env;
+ my $path_info = $env->{PATH_INFO};
+ my $script_name = ($env->{SCRIPT_NAME} || '');
+
+ $path_info =~ s/(^\/\Q$path_prefix\E)//;
+ $script_name = "$script_name$1";
+
+ return +{
+ %$env,
+ PATH_INFO => $path_info,
+ SCRIPT_NAME => $script_name };
+}
+
+=head2 env_at_action
+
+Localize C<$env> under the current action namespace.
+
+ package MyApp::Controller::User;
+
+ use Catalyst::Utils;
+
+ use base 'Catalyst::Controller';
+
+ sub name :Local {
+ my ($self, $c) = @_;
+ my $env = $c->Catalyst::Utils::env_at_action;
+ }
+
+Assuming you have a request like GET /user/name:
+
+In the example case C<$env> will have PATH_INFO of '/' instead of
+'/user/name' and SCRIPT_NAME will now be '/user/name'.
+
+Alternatively, assuming you have a request like GET /user/name/foo:
+
+In this example case C<$env> will have PATH_INFO of '/foo' instead of
+'/user/name/foo' and SCRIPT_NAME will now be '/user/name'.
+
+This is probably a common case where you want to mount a PSGI application
+under an action but let the Args fall through to the PSGI app.
+
+=cut
+
+sub env_at_action {
+ my $ctx = shift;
+ my $argpath = join '/', @{$ctx->request->arguments};
+ my $path = '/' . $ctx->request->path;
+
+ $path =~ s/\/?\Q$argpath\E\/?$//;
+
+ my $env = $ctx->request->env;
+ my $path_info = $env->{PATH_INFO};
+ my $script_name = ($env->{SCRIPT_NAME} || '');
+
+ $path_info =~ s/(^\Q$path\E)//;
+ $script_name = "$script_name$1";
+
+ return +{
+ %$env,
+ PATH_INFO => $path_info,
+ SCRIPT_NAME => $script_name };
+}
+
+=head2 env_at_request_uri
+
+Localize C<$env> under the current request URI:
+
+ package MyApp::Controller::User;
+
+ use Catalyst::Utils;
+
+ use base 'Catalyst::Controller';
+
+ sub name :Local Args(1) {
+ my ($self, $c, $id) = @_;
+ my $env = $c->Catalyst::Utils::env_at_request_uri
+ }
+
+Assuming you have a request like GET /user/name/hello:
+
+In the example case C<$env> will have PATH_INFO of '/' instead of
+'/user/name' and SCRIPT_NAME will now be '/user/name/hello'.
+
+=cut
+
+sub env_at_request_uri {
+ my $ctx = shift;
+ my $path = '/' . $ctx->request->path;
+ my $env = $ctx->request->env;
+ my $path_info = $env->{PATH_INFO};
+ my $script_name = ($env->{SCRIPT_NAME} || '');
+
+ $path_info =~ s/(^\Q$path\E)//;
+ $script_name = "$script_name$1";
+
+ return +{
+ %$env,
+ PATH_INFO => $path_info,
+ SCRIPT_NAME => $script_name };
+}
=head1 AUTHORS
projects / catagits/Catalyst-Runtime.git / blobdiff