use HTTP::Request;
use Path::Class;
use URI;
+use Carp qw/croak/;
+use Cwd;
+
+use namespace::clean;
=head1 NAME
=head1 DESCRIPTION
+Catalyst Utilities.
+
=head1 METHODS
=head2 appprefix($class)
- MyApp::Foo becomes myapp_foo
+ MyApp::Foo becomes myapp_foo
=cut
sub appprefix {
my $class = shift;
- $class =~ s/\:\:/_/g;
+ $class =~ s/::/_/g;
$class = lc($class);
return $class;
}
=head2 class2appclass($class);
- MyApp::C::Foo::Bar becomes MyApp
- My::App::C::Foo::Bar becomes My::App
+ MyApp::Controller::Foo::Bar becomes MyApp
+ My::App::Controller::Foo::Bar becomes My::App
=cut
sub class2appclass {
my $class = shift || '';
my $appname = '';
- if ( $class =~ /^(.*)::([MVC]|Model|View|Controller)?::.*$/ ) {
+ if ( $class =~ /^(.+?)::([MVC]|Model|View|Controller)::.+$/ ) {
$appname = $1;
}
return $appname;
=head2 class2classprefix($class);
- MyApp::C::Foo::Bar becomes MyApp::C
- My::App::C::Foo::Bar becomes My::App::C
+ MyApp::Controller::Foo::Bar becomes MyApp::Controller
+ My::App::Controller::Foo::Bar becomes My::App::Controller
=cut
sub class2classprefix {
my $class = shift || '';
my $prefix;
- if ( $class =~ /^(.*::[MVC]|Model|View|Controller)?::.*$/ ) {
+ if ( $class =~ /^(.+?::([MVC]|Model|View|Controller))::.+$/ ) {
$prefix = $1;
}
return $prefix;
=head2 class2classsuffix($class);
- MyApp::C::Foo::Bar becomes C::Foo::Bar
+ MyApp::Controller::Foo::Bar becomes Controller::Foo::Bar
=cut
sub class2classsuffix {
my $class = shift || '';
my $prefix = class2appclass($class) || '';
- $class =~ s/$prefix\:\://;
+ $class =~ s/$prefix\:://;
return $class;
}
sub class2env {
my $class = shift || '';
- $class =~ s/\:\:/_/g;
+ $class =~ s/::/_/g;
return uc($class);
}
Returns the uri prefix for a class. If case is false the prefix is converted to lowercase.
- My::App::C::Foo::Bar becomes foo/bar
+ My::App::Controller::Foo::Bar becomes foo/bar
=cut
my $class = shift || '';
my $case = shift || 0;
my $prefix;
- if ( $class =~ /^.*::([MVC]|Model|View|Controller)?::(.*)$/ ) {
+ if ( $class =~ /^.+?::([MVC]|Model|View|Controller)::(.+)$/ ) {
$prefix = $case ? $2 : lc $2;
- $prefix =~ s/\:\:/\//g;
+ $prefix =~ s{::}{/}g;
}
return $prefix;
}
=cut
sub home {
- my $name = shift;
- $name =~ s/\:\:/\//g;
- my $home = 0;
- if ( my $path = $INC{"$name.pm"} ) {
- $home = file($path)->absolute->dir;
- $name =~ /(\w+)$/;
- my $append = $1;
- my $subdir = dir($home)->subdir($append);
- for ( split '/', $name ) { $home = dir($home)->parent }
- if ( $home =~ /blib$/ ) { $home = dir($home)->parent }
- elsif (!-f file( $home, 'Makefile.PL' )
- && !-f file( $home, 'Build.PL' ) )
+ my $class = shift;
+
+ # make an $INC{ $key } style string from the class name
+ (my $file = "$class.pm") =~ s{::}{/}g;
+
+ if ( my $inc_entry = $INC{$file} ) {
{
- $home = $subdir;
+ # look for an uninstalled Catalyst app
+
+ # find the @INC entry in which $file was found
+ (my $path = $inc_entry) =~ s/$file$//;
+ $path ||= cwd() if !defined $path || !length $path;
+ my $home = dir($path)->absolute->cleanup;
+
+ # 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")) {
+
+ # clean up relative path:
+ # MyApp/script/.. -> MyApp
+
+ my $dir;
+ my @dir_list = $home->dir_list();
+ while (($dir = pop(@dir_list)) && $dir eq '..') {
+ $home = dir($home)->parent->parent;
+ }
+
+ return $home->stringify;
+ }
}
- # clean up relative path:
- # MyApp/script/.. -> MyApp
- my ($lastdir) = $home->dir_list( -1, 1 );
- if ( $lastdir eq '..' ) {
- $home = dir($home)->parent->parent;
+ {
+ # look for an installed Catalyst app
+
+ # trim the .pm off the thing ( Foo/Bar.pm -> Foo/Bar/ )
+ ( my $path = $inc_entry) =~ s/\.pm$//;
+ my $home = dir($path)->absolute->cleanup;
+
+ # return if if it's a valid directory
+ return $home->stringify if -d $home;
}
}
- return $home;
+
+ # we found nothing
+ return 0;
}
=head2 prefix($class, $name);
Returns a prefixed action.
- MyApp::C::Foo::Bar, yada becomes foo/bar/yada
+ MyApp::Controller::Foo::Bar, yada becomes foo/bar/yada
=cut
sub request {
my $request = shift;
unless ( ref $request ) {
- if ( $request =~ m/http/i ) {
- $request = URI->new($request)->canonical;
+ if ( $request =~ m/^http/i ) {
+ $request = URI->new($request);
}
else {
- $request = URI->new( 'http://localhost' . $request )->canonical;
+ $request = URI->new( 'http://localhost' . $request );
}
}
unless ( ref $request eq 'HTTP::Request' ) {
return $request;
}
-=head1 AUTHOR
+=head2 ensure_class_loaded($class_name, \%opts)
+
+Loads the class unless it already has been loaded.
+
+If $opts{ignore_loaded} is true always tries the require whether the package
+already exists or not. Only pass this if you're either (a) sure you know the
+file exists on disk or (b) have code to catch the file not found exception
+that will result if it doesn't.
+
+=cut
+
+sub ensure_class_loaded {
+ my $class = shift;
+ my $opts = shift;
+
+ croak "Malformed class Name $class"
+ if $class =~ m/(?:\b\:\b|\:{3,})/;
+
+ croak "Malformed class Name $class"
+ if $class =~ m/[^\w:]/;
+
+ croak "ensure_class_loaded should be given a classname, not a filename ($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::MOP::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;
+ {
+ local $@;
+ my $file = $class . '.pm';
+ $file =~ s{::}{/}g;
+ eval { CORE::require($file) };
+ $error = $@;
+ }
+
+ die $error if $error;
+
+ warn "require $class was successful but the package is not defined."
+ unless Class::MOP::is_class_loaded($class);
+
+ return 1;
+}
+
+=head2 merge_hashes($hashref, $hashref)
+
+Base code to recursively merge two hashes together with right-hand precedence.
+
+=cut
+
+sub merge_hashes {
+ my ( $lefthash, $righthash ) = @_;
+
+ return $lefthash unless defined $righthash;
+
+ my %merged = %$lefthash;
+ for my $key ( keys %$righthash ) {
+ my $right_ref = ( ref $righthash->{ $key } || '' ) eq 'HASH';
+ my $left_ref = ( ( exists $lefthash->{ $key } && ref $lefthash->{ $key } ) || '' ) eq 'HASH';
+ if( $right_ref and $left_ref ) {
+ $merged{ $key } = merge_hashes(
+ $lefthash->{ $key }, $righthash->{ $key }
+ );
+ }
+ else {
+ $merged{ $key } = $righthash->{ $key };
+ }
+ }
+
+ return \%merged;
+}
+
+=head2 env_value($class, $key)
+
+Checks for and returns an environment value. For instance, if $key is
+'home', then this method will check for and return the first value it finds,
+looking at $ENV{MYAPP_HOME} and $ENV{CATALYST_HOME}.
+
+=cut
+
+sub env_value {
+ my ( $class, $key ) = @_;
+
+ $key = uc($key);
+ my @prefixes = ( class2env($class), 'CATALYST' );
+
+ for my $prefix (@prefixes) {
+ if ( defined( my $value = $ENV{"${prefix}_${key}"} ) ) {
+ return $value;
+ }
+ }
+
+ return;
+}
+
+=head2 term_width
+
+Try to guess terminal width to use with formatting of debug output
+
+All you need to get this work, is:
+
+1) Install Term::Size::Any, or
+
+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
+that 'env' now lists COLUMNS.)
+
+As last resort, default value of 80 chars will be used.
+
+=cut
+
+my $_term_width;
+
+sub term_width {
+ return $_term_width if $_term_width;
+
+ my $width = eval '
+ use Term::Size::Any;
+ my ($columns, $rows) = Term::Size::Any::chars;
+ return $columns;
+ ';
+
+ if ($@) {
+ $width = $ENV{COLUMNS}
+ if exists($ENV{COLUMNS})
+ && $ENV{COLUMNS} =~ m/^\d+$/;
+ }
+
+ $width = 80 unless ($width && $width >= 80);
+ return $_term_width = $width;
+}
+
+=head1 AUTHORS
-Sebastian Riedel, C<sri@cpan.org>
+Catalyst Contributors, see Catalyst.pm
=head1 COPYRIGHT
projects / catagits/Catalyst-Runtime.git / blobdiff