package Catalyst::Utils;
use strict;
-use Catalyst::Exception;
use File::Spec;
use HTTP::Request;
use Path::Class;
use URI;
-use Class::Inspector;
use Carp qw/croak/;
use Cwd;
+use Class::Load 'is_class_loaded';
+use String::RewritePrefix;
+use Class::Load ();
+
+use namespace::clean;
=head1 NAME
=head1 DESCRIPTION
-Catalyst Utilities.
+Catalyst Utilities.
=head1 METHODS
Returns a tempdir for a class. If create is true it will try to create the path.
My::App becomes /tmp/my/app
- My::App::C::Foo::Bar becomes /tmp/my/app/c/foo/bar
+ My::App::Controller::Foo::Bar becomes /tmp/my/app/c/foo/bar
=cut
if ( $create && !-e $tmpdir ) {
- eval { $tmpdir->mkpath };
-
- if ($@) {
+ eval { $tmpdir->mkpath; 1 }
+ or do {
+ # don't load Catalyst::Exception as a BEGIN in Utils,
+ # because Utils often gets loaded before MyApp.pm, and if
+ # Catalyst::Exception is loaded before MyApp.pm, it does
+ # not honor setting
+ # $Catalyst::Exception::CATALYST_EXCEPTION_CLASS in
+ # MyApp.pm
+ require Catalyst::Exception;
Catalyst::Exception->throw(
message => qq/Couldn't create tmpdir '$tmpdir', "$@"/ );
}
Returns home directory for given class.
+=head2 dist_indicator_file_list
+
+Returns a list of files which can be tested to check if you're inside
+a CPAN distribution which is not yet installed.
+
+These are:
+
+=over
+
+=item Makefile.PL
+
+=item Build.PL
+
+=item dist.ini
+
+=item L<cpanfile>
+
+=back
+
=cut
+sub dist_indicator_file_list {
+ qw{Makefile.PL Build.PL dist.ini cpanfile};
+}
+
sub home {
my $class = shift;
# pop off /lib and /blib if they're there
$home = $home->parent while $home =~ /b?lib$/;
- # only return the dir if it has a Makefile.PL or Build.PL
- if (-f $home->file("Makefile.PL") or -f $home->file("Build.PL")) {
-
+ # only return the dir if it has a Makefile.PL or Build.PL or dist.ini
+ if (grep { -f $home->file($_) } dist_indicator_file_list()) {
# clean up relative path:
# MyApp/script/.. -> MyApp
croak "ensure_class_loaded should be given a classname, not a filename ($class)"
if $class =~ m/\.pm$/;
+ # $opts->{ignore_loaded} can be set to true, and this causes the class to be required, even
+ # if it already has symbol table entries. This is to support things like Schema::Loader, which
+ # part-generate classes in memory, but then also load some of their contents from disk.
return if !$opts->{ ignore_loaded }
- && Class::Inspector->loaded( $class ); # if a symbol entry exists we don't load again
+ && is_class_loaded($class); # if a symbol entry exists we don't load again
# this hack is so we don't overwrite $@ if the load did not generate an error
my $error;
}
die $error if $error;
- die "require $class was successful but the package is not defined"
- unless Class::Inspector->loaded($class);
+
+ warn "require $class was successful but the package is not defined."
+ unless is_class_loaded($class);
return 1;
}
my ( $lefthash, $righthash ) = @_;
return $lefthash unless defined $righthash;
-
+
my %merged = %$lefthash;
for my $key ( keys %$righthash ) {
my $right_ref = ( ref $righthash->{ $key } || '' ) eq 'HASH';
$merged{ $key } = $righthash->{ $key };
}
}
-
+
return \%merged;
}
1) Install Term::Size::Any, or
-2) Export $COLUMNS from your shell.
+2) Export $COLUMNS from your shell.
(Warning to bash users: 'echo $COLUMNS' may be showing you the bash
-variable, not $ENV{COLUMNS}. 'export COLUMNS=$COLUMNS' and you should see
+variable, not $ENV{COLUMNS}. 'export COLUMNS=$COLUMNS' and you should see
that 'env' now lists COLUMNS.)
As last resort, default value of 80 chars will be used.
sub term_width {
return $_term_width if $_term_width;
- my $width = eval '
- use Term::Size::Any;
+ my $width;
+ eval '
+ require Term::Size::Any;
my ($columns, $rows) = Term::Size::Any::chars;
- return $columns;
- ';
-
- if ($@) {
+ $width = $columns;
+ 1;
+ ' or do {
$width = $ENV{COLUMNS}
if exists($ENV{COLUMNS})
&& $ENV{COLUMNS} =~ m/^\d+$/;
- }
+ };
$width = 80 unless ($width && $width >= 80);
return $_term_width = $width;
}
+
+=head2 resolve_namespace
+
+Method which adds the namespace for plugins and actions.
+
+ __PACKAGE__->setup(qw(MyPlugin));
+
+ # will load Catalyst::Plugin::MyPlugin
+
+=cut
+
+
+sub resolve_namespace {
+ my $appnamespace = shift;
+ my $namespace = shift;
+ my @classes = @_;
+ return String::RewritePrefix->rewrite({
+ q[] => qq[${namespace}::],
+ q[+] => q[],
+ (defined $appnamespace
+ ? (q[~] => qq[${appnamespace}::])
+ : ()
+ ),
+ }, @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::$namespace"->new(@init_args);
+ }
+ }
+
+ return; ## be sure we can count on a proper return when valid
+}
+
+=head2 apply_registered_middleware ($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 AUTHORS
Catalyst Contributors, see Catalyst.pm
=head1 COPYRIGHT
-This program is free software, you can redistribute it and/or modify it under
+This library is free software. You can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
projects / catagits/Catalyst-Runtime.git / blobdiff