X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FDispatcher.pm;h=355039282a93ac279f7f7b4a3e8cfb5b0f3a5406;hp=eb9213701ee54cb3b3e9dcf98e7f6ac97060fd70;hb=812a28c90c5b43bdf5ce87f1b2a688725e552429;hpb=699e124751a09296d6d4e9cbc49ab0a6acf5199a diff --git a/lib/Catalyst/Dispatcher.pm b/lib/Catalyst/Dispatcher.pm index eb92137..3550392 100644 --- a/lib/Catalyst/Dispatcher.pm +++ b/lib/Catalyst/Dispatcher.pm @@ -2,24 +2,24 @@ package Catalyst::Dispatcher; use strict; use base 'Class::Data::Inheritable'; -use Memoize; +use Catalyst::Utils; use Text::ASCIITable; -use Text::ASCIITable::Wrap 'wrap'; use Tree::Simple; use Tree::Simple::Visitor::FindByPath; __PACKAGE__->mk_classdata($_) for qw/actions tree/; +# These are the core structures __PACKAGE__->actions( { plain => {}, private => {}, regex => {}, compiled => [], reverse => {} } ); -__PACKAGE__->tree( Tree::Simple->new( 0, Tree::Simple->ROOT ) ); -memoize('_class2prefix'); +# We use a tree +__PACKAGE__->tree( Tree::Simple->new( 0, Tree::Simple->ROOT ) ); =head1 NAME -Catalyst::Dispatch - The Catalyst Dispatcher +Catalyst::Dispatcher - The Catalyst Dispatcher =head1 SYNOPSIS @@ -43,14 +43,18 @@ sub dispatch { my $namespace = ''; $namespace = ( join( '/', @{ $c->req->args } ) || '/' ) if $action eq 'default'; + unless ($namespace) { if ( my $result = $c->get_action($action) ) { - $namespace = _class2prefix( $result->[0]->[0]->[0] ); + $namespace = + Catalyst::Utils::class2prefix( $result->[0]->[0]->[0] ); } } + my $default = $action eq 'default' ? $namespace : undef; my $results = $c->get_action( $action, $default ); $namespace ||= '/'; + if ( @{$results} ) { # Execute last begin @@ -61,14 +65,17 @@ sub dispatch { } # Execute the auto chain + my $auto = 0; for my $auto ( @{ $c->get_action( 'auto', $namespace ) } ) { $c->execute( @{ $auto->[0] } ); return if scalar @{ $c->error }; last unless $c->state; + $auto++; } # Execute the action or last default - if ( ( my $action = $c->req->action ) && $c->state ) { + my $mkay = $auto ? $c->state ? 1 : 0 : 1; + if ( ( my $action = $c->req->action ) && $mkay ) { if ( my $result = @{ $c->get_action( $action, $default ) }[-1] ) { $c->execute( @{ $result->[0] } ); } @@ -80,6 +87,7 @@ sub dispatch { return if scalar @{ $c->error }; } } + else { my $path = $c->req->path; my $error = $path @@ -105,41 +113,71 @@ If you define a class without method it will default to process(). sub forward { my $c = shift; my $command = shift; + unless ($command) { $c->log->debug('Nothing to forward to') if $c->debug; return 0; } + my $caller = caller(0); my $namespace = '/'; + if ( $command =~ /^\// ) { - $command =~ /^(.*)\/(\w+)$/; + $command =~ /^\/(.*)\/(\w+)$/; $namespace = $1 || '/'; - $command = $2; + $command = $2 || $command; + $command =~ s/^\///; } - else { $namespace = _class2prefix($caller) || '/' } + + else { $namespace = Catalyst::Utils::class2prefix($caller) || '/' } + my $results = $c->get_action( $command, $namespace ); + unless ( @{$results} ) { - my $class = $command; - if ( $class =~ /[^\w\:]/ ) { - $c->log->debug(qq/Couldn't forward to "$class"/) if $c->debug; + my $class = $command || ''; + my $path = $class . '.pm'; + $path =~ s/::/\//g; + + unless ( $INC{$path} ) { + my $error = + qq/Couldn't forward to "$class". Invalid or not loaded./; + $c->error($error); + $c->log->debug($error) if $c->debug; return 0; } + + unless ( UNIVERSAL::isa( $class, 'Catalyst::Base' ) ) { + my $error = + qq/Can't forward to "$class". Class is not a Catalyst component./; + $c->error($error); + $c->log->debug($error) if $c->debug; + return 0; + } + my $method = shift || 'process'; + if ( my $code = $class->can($method) ) { $c->actions->{reverse}->{"$code"} = "$class->$method"; $results = [ [ [ $class, $code ] ] ]; } + else { - $c->log->debug(qq/Couldn't forward to "$class->$method"/) + my $error = + qq/Couldn't forward to "$class". Does not implement "$method"/; + $c->error($error); + $c->log->debug($error) if $c->debug; return 0; } + } + for my $result ( @{$results} ) { $c->execute( @{ $result->[0] } ); return if scalar @{ $c->error }; last unless $c->state; } + return $c->state; } @@ -153,15 +191,18 @@ sub get_action { my ( $c, $action, $namespace ) = @_; return [] unless $action; $namespace ||= ''; + if ($namespace) { $namespace = '' if $namespace eq '/'; my $parent = $c->tree; my @results; my %allowed = ( begin => 1, auto => 1, default => 1, end => 1 ); + if ( $allowed{$action} ) { my $result = $c->actions->{private}->{ $parent->getUID }->{$action}; push @results, [$result] if $result; my $visitor = Tree::Simple::Visitor::FindByPath->new; + for my $part ( split '/', $namespace ) { $visitor->setSearchPath($part); $parent->accept($visitor); @@ -171,8 +212,11 @@ sub get_action { push @results, [$match] if $match; $parent = $child if $child; } + } + else { + if ($namespace) { my $visitor = Tree::Simple::Visitor::FindByPath->new; $visitor->setSearchPath( split '/', $namespace ); @@ -183,29 +227,30 @@ sub get_action { if $uid; push @results, [$match] if $match; } + else { my $result = $c->actions->{private}->{ $parent->getUID }->{$action}; push @results, [$result] if $result; } + } return \@results; } + elsif ( my $p = $c->actions->{plain}->{$action} ) { return [ [$p] ] } elsif ( my $r = $c->actions->{regex}->{$action} ) { return [ [$r] ] } + else { + for my $i ( 0 .. $#{ $c->actions->{compiled} } ) { my $name = $c->actions->{compiled}->[$i]->[0]; my $regex = $c->actions->{compiled}->[$i]->[1]; - if ( $action =~ $regex ) { - my @snippets; - for my $i ( 1 .. 9 ) { - no strict 'refs'; - last unless ${$i}; - push @snippets, ${$i}; - } + + if ( my @snippets = ( $action =~ $regex ) ) { return [ [ $c->actions->{regex}->{$name}, $name, \@snippets ] ]; } + } } return []; @@ -220,7 +265,7 @@ Set an action in a given namespace. sub set_action { my ( $c, $method, $code, $namespace, $attrs ) = @_; - my $prefix = _class2prefix($namespace) || ''; + my $prefix = Catalyst::Utils::class2prefix($namespace) || ''; my %flags; for my $attr ( @{$attrs} ) { @@ -231,22 +276,33 @@ sub set_action { elsif ( $attr =~ /^(Regex|Regexp)\((.+)\)$/i ) { $flags{regex} = $2 } } + if ( $flags{private} && ( keys %flags > 1 ) ) { + $c->log->debug( 'Bad action definition "' + . join( ' ', @{$attrs} ) + . qq/" for "$namespace->$method"/ ) + if $c->debug; + return; + } return unless keys %flags; my $parent = $c->tree; my $visitor = Tree::Simple::Visitor::FindByPath->new; + for my $part ( split '/', $prefix ) { $visitor->setSearchPath($part); $parent->accept($visitor); my $child = $visitor->getResult; + unless ($child) { $child = $parent->addChild( Tree::Simple->new($part) ); $visitor->setSearchPath($part); $parent->accept($visitor); $child = $visitor->getResult; } + $parent = $child; } + my $uid = $parent->getUID; $c->actions->{private}->{$uid}->{$method} = [ $namespace, $code ]; my $forward = $prefix ? "$prefix/$method" : $method; @@ -257,6 +313,7 @@ sub set_action { if ( $flags{path} =~ /^'(.*)'$/ ) { $flags{path} = $1 } if ( $flags{path} =~ /^"(.*)"$/ ) { $flags{path} = $1 } } + if ( $flags{regex} ) { $flags{regex} =~ s/^\w+//; $flags{regex} =~ s/\w+$//; @@ -267,16 +324,19 @@ sub set_action { my $reverse = $prefix ? "$prefix/$method" : $method; if ( $flags{local} || $flags{global} || $flags{path} ) { - my $path = $flags{path} || $method; + my $path = $flags{path} || $method; my $absolute = 0; + if ( $path =~ /^\/(.+)/ ) { $path = $1; $absolute = 1; } + $absolute = 1 if $flags{global}; my $name = $absolute ? $path : $prefix ? "$prefix/$path" : $path; $c->actions->{plain}->{$name} = [ $namespace, $code ]; } + if ( my $regex = $flags{regex} ) { push @{ $c->actions->{compiled} }, [ $regex, qr#$regex# ]; $c->actions->{regex}->{$regex} = [ $namespace, $code ]; @@ -293,14 +353,17 @@ Setup actions for a component. sub setup_actions { my ( $self, $comps ) = @_; + for my $comp (@$comps) { $comp = ref $comp || $comp; - for my $action ( @{ $comp->_cache } ) { + + for my $action ( @{ Catalyst::Utils::reflect_actions($comp) } ) { my ( $code, $attrs ) = @{$action}; my $name = ''; no strict 'refs'; my @cache = ( $comp, @{"$comp\::ISA"} ); my %namespaces; + while ( my $namespace = shift @cache ) { $namespaces{$namespace}++; for my $isa ( @{"$comp\::ISA"} ) { @@ -309,80 +372,81 @@ sub setup_actions { $namespaces{$isa}++; } } + for my $namespace ( keys %namespaces ) { + for my $sym ( values %{ $namespace . '::' } ) { + if ( *{$sym}{CODE} && *{$sym}{CODE} == $code ) { + $name = *{$sym}{NAME}; $self->set_action( $name, $code, $comp, $attrs ); last; } + } + } + } + } + my $actions = $self->actions; my $privates = Text::ASCIITable->new; $privates->setCols( 'Private', 'Class' ); $privates->setColWidth( 'Private', 36, 1 ); $privates->setColWidth( 'Class', 37, 1 ); + my $walker = sub { my ( $walker, $parent, $prefix ) = @_; $prefix .= $parent->getNodeValue || ''; $prefix .= '/' unless $prefix =~ /\/$/; my $uid = $parent->getUID; + for my $action ( keys %{ $actions->{private}->{$uid} } ) { my ( $class, $code ) = @{ $actions->{private}->{$uid}->{$action} }; - $privates->addRow( wrap( "$prefix$action", 36 ), - wrap( $class, 37 ) ); + $privates->addRow( "$prefix$action", $class ); } + $walker->( $walker, $_, $prefix ) for $parent->getAllChildren; }; + $walker->( $walker, $self->tree, '' ); $self->log->debug( 'Loaded private actions', $privates->draw ) if ( @{ $privates->{tbl_rows} } && $self->debug ); + my $publics = Text::ASCIITable->new; $publics->setCols( 'Public', 'Private' ); $publics->setColWidth( 'Public', 36, 1 ); $publics->setColWidth( 'Private', 37, 1 ); + for my $plain ( sort keys %{ $actions->{plain} } ) { my ( $class, $code ) = @{ $actions->{plain}->{$plain} }; my $reverse = $self->actions->{reverse}->{$code}; $reverse = $reverse ? "/$reverse" : $code; - $publics->addRow( wrap( "/$plain", 36 ), wrap( $reverse, 37 ) ); + $publics->addRow( "/$plain", $reverse ); } + $self->log->debug( 'Loaded public actions', $publics->draw ) if ( @{ $publics->{tbl_rows} } && $self->debug ); + my $regexes = Text::ASCIITable->new; $regexes->setCols( 'Regex', 'Private' ); $regexes->setColWidth( 'Regex', 36, 1 ); $regexes->setColWidth( 'Private', 37, 1 ); + for my $regex ( sort keys %{ $actions->{regex} } ) { my ( $class, $code ) = @{ $actions->{regex}->{$regex} }; my $reverse = $self->actions->{reverse}->{$code}; $reverse = $reverse ? "/$reverse" : $code; - $regexes->addRow( wrap( $regex, 36 ), wrap( $reverse, 37 ) ); + $regexes->addRow( $regex, $reverse ); } + $self->log->debug( 'Loaded regex actions', $regexes->draw ) if ( @{ $regexes->{tbl_rows} } && $self->debug ); } -sub _prefix { - my ( $class, $name ) = @_; - my $prefix = _class2prefix($class); - $name = "$prefix/$name" if $prefix; - return $name; -} - -sub _class2prefix { - my $class = shift || ''; - my $prefix; - if ( $class =~ /^.*::([MVC]|Model|View|Controller)?::(.*)$/ ) { - $prefix = lc $2; - $prefix =~ s/\:\:/\//g; - } - return $prefix; -} - =back =head1 AUTHOR