X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FDispatcher.pm;h=d15f227a522d2d39edd60d9e1618b6bb7d9d3df2;hb=8e9a459107239aac7c396200ecea3d93b4d93648;hp=a3efc6efbb840fa87e694a350c461e6d067e8deb;hpb=c8d9780f82693f5cefced14ecaa5445c0e22b9ca;p=catagits%2FCatalyst-Runtime.git diff --git a/lib/Catalyst/Dispatcher.pm b/lib/Catalyst/Dispatcher.pm index a3efc6e..d15f227 100644 --- a/lib/Catalyst/Dispatcher.pm +++ b/lib/Catalyst/Dispatcher.pm @@ -5,6 +5,9 @@ use base 'Class::Accessor::Fast'; use Catalyst::Exception; use Catalyst::Utils; use Catalyst::Action; +use Catalyst::ActionContainer; +use Catalyst::DispatchType::Regex; +use Catalyst::DispatchType::Default; use Text::ASCIITable; use Tree::Simple; use Tree::Simple::Visitor::FindByPath; @@ -12,7 +15,7 @@ use Tree::Simple::Visitor::FindByPath; # Stringify to class use overload '""' => sub { return ref shift }, fallback => 1; -__PACKAGE__->mk_accessors(qw/actions tree/); +__PACKAGE__->mk_accessors(qw/actions tree dispatch_types/); =head1 NAME @@ -44,61 +47,58 @@ sub detach { sub dispatch { my ( $self, $c ) = @_; - my $action = $c->req->action; - my $namespace = ''; - $namespace = ( join( '/', @{ $c->req->args } ) || '/' ) - if $action eq 'default'; - - unless ($namespace) { - if ( my $result = $c->get_action($action) ) { - $namespace = - Catalyst::Utils::class2prefix( $result->[0]->[0]->namespace, - $c->config->{case_sensitive} ); - } - } - my $default = $action eq 'default' ? $namespace : undef; - my $results = $c->get_action( $action, $default, $default ? 1 : 0 ); - $namespace ||= '/'; + if ( $c->action ) { + + my @containers = $self->get_containers( $c->namespace ); + my %actions; + foreach my $name (qw/begin auto end/) { - if ( @{$results} ) { + # Go down the container list representing each part of the + # current namespace inheritance tree, grabbing the actions hash + # of the ActionContainer object and looking for actions of the + # appropriate name registered to the namespace + + $actions{$name} = [ + map { $_->{$name} } + grep { exists $_->{$name} } + map { $_->actions } + @containers + ]; + } # Errors break the normal flow and the end action is instantly run my $error = 0; # Execute last begin $c->state(1); - if ( my $begin = @{ $c->get_action( 'begin', $namespace, 1 ) }[-1] ) { - $begin->[0]->execute($c); + if ( my $begin = @{ $actions{begin} }[-1] ) { + $begin->execute($c); $error++ if scalar @{ $c->error }; } # Execute the auto chain my $autorun = 0; - for my $auto ( @{ $c->get_action( 'auto', $namespace, 1 ) } ) { + for my $auto ( @{ $actions{auto} } ) { last if $error; $autorun++; - $auto->[0]->execute($c); + $auto->execute($c); $error++ if scalar @{ $c->error }; last unless $c->state; } # Execute the action or last default my $mkay = $autorun ? $c->state ? 1 : 0 : 1; - if ( ( my $action = $c->req->action ) && $mkay ) { + if ( $mkay ) { unless ($error) { - if ( my $result = - @{ $c->get_action( $action, $default, 1 ) }[-1] ) - { - $result->[0]->execute($c); - $error++ if scalar @{ $c->error }; - } + $c->action->execute($c); + $error++ if scalar @{ $c->error }; } } # Execute last end - if ( my $end = @{ $c->get_action( 'end', $namespace, 1 ) }[-1] ) { - $end->[0]->execute($c); + if ( my $end = @{ $actions{end} }[-1] ) { + $end->execute($c); } } @@ -178,6 +178,7 @@ qq/Couldn't forward to command "$command". Invalid action or component./; code => $code, reverse => "$class->$method", namespace => $class, + prefix => $class, } ); $results = [ [$action] ]; @@ -215,38 +216,27 @@ sub prepare_action { my @path = split /\//, $c->req->path; $c->req->args( \my @args ); - while (@path) { + DESCEND: while (@path) { $path = join '/', @path; if ( my $result = ${ $c->get_action($path) }[0] ) { - # It's a regex - if ($#$result) { - my $match = $result->[1]; - my @snippets = @{ $result->[2] }; - $c->log->debug( - qq/Requested action is "$path" and matched "$match"/) - if $c->debug; - $c->log->debug( - 'Snippets are "' . join( ' ', @snippets ) . '"' ) - if ( $c->debug && @snippets ); - $c->req->action($match); - $c->req->snippets( \@snippets ); - } - - else { - $c->req->action($path); - $c->log->debug(qq/Requested action is "$path"/) if $c->debug; - } + $c->req->action($path); + $c->log->debug(qq/Requested action is "$path"/) if $c->debug; $c->req->match($path); - last; + $c->action($result->[0]); + $c->namespace($result->[0]->prefix); + last DESCEND; } - unshift @args, pop @path; - } - unless ( $c->req->action ) { - $c->req->action('default'); - $c->req->match(''); + unless ( $c->action ) { + foreach my $type (@{$self->dispatch_types}) { + last DESCEND if $type->prepare_action($c, $path); + #last DESCEND if $c->action; + } + } + + unshift @args, pop @path; } $c->log->debug( 'Arguments are "' . join( '/', @args ) . '"' ) @@ -265,63 +255,61 @@ sub get_action { if ($namespace) { - my $parent = $self->tree; - my @match; - - if ($namespace ne '/') { - - my $visitor = Tree::Simple::Visitor::FindByPath->new; - my @path = split('/', $namespace); - $visitor->setSearchPath( @path ); - $parent->accept($visitor); - - if ($inherit) { - - @match = $visitor->getResults; - @match = ($parent) unless @match; - - if (!defined $visitor->getResult) { - my $extra = $path[(scalar @match) - 1]; - last unless $extra; - $visitor->setSearchPath($extra); - $match[-1]->accept($visitor); - push(@match, $visitor->getResult) if defined $visitor->getResult; - } - } else { - @match = ($visitor->getResult) if $visitor->getResult; - } - - } - - @match = ($parent) unless @match; + my @match = $self->get_containers( $namespace ); my @results; - foreach my $child (@match) { - my $node = $self->actions->{private}->{$child->getUID}; - next unless $node; + foreach my $child ($inherit ? @match: $match[-1]) { + my $node = $child->actions; push(@results, [ $node->{$action} ]) if defined $node->{$action}; } return \@results; } elsif ( my $p = $self->actions->{plain}->{$action} ) { return [ [$p] ] } - elsif ( my $r = $self->actions->{regex}->{$action} ) { return [ [$r] ] } - else { + return []; +} - for my $i ( 0 .. $#{ $self->actions->{compiled} } ) { - my $name = $self->actions->{compiled}->[$i]->[0]; - my $regex = $self->actions->{compiled}->[$i]->[1]; +=item $self->get_containers( $namespace ) - if ( my @snippets = ( $action =~ $regex ) ) { - return [ - [ $self->actions->{regex}->{$name}, $name, \@snippets ] ]; - } +=cut - } +sub get_containers { + my ( $self, $namespace ) = @_; + + # If the namespace is / just return the root ActionContainer + + return ($self->tree->getNodeValue) if $namespace eq '/'; + + # Use a visitor to recurse down the tree finding the ActionContainers + # for each namespace in the chain. + + my $visitor = Tree::Simple::Visitor::FindByPath->new; + my @path = split('/', $namespace); + $visitor->setSearchPath( @path ); + $self->tree->accept($visitor); + + my @match = $visitor->getResults; + @match = ($self->tree) unless @match; + + if (!defined $visitor->getResult) { + + # If we don't manage to match, the visitor doesn't return the last + # node is matched, so foo/bar/baz would only find the 'foo' node, + # not the foo and foo/bar nodes as it should. This does another + # single-level search to see if that's the case, and the 'last unless' + # should catch any failures - or short-circuit this if this *is* a + # bug in the visitor and gets fixed. + + my $extra = $path[(scalar @match) - 1]; + last unless $extra; + $visitor->setSearchPath($extra); + $match[-1]->accept($visitor); + push(@match, $visitor->getResult) if defined $visitor->getResult; } - return []; + + return map { $_->getNodeValue } @match; } =item $self->set_action( $c, $action, $code, $namespace, $attrs ) @@ -335,6 +323,7 @@ sub set_action { Catalyst::Utils::class2prefix( $namespace, $c->config->{case_sensitive} ) || ''; my %flags; + my %attributes; for my $attr ( @{$attrs} ) { if ( $attr =~ /^(Local|Relative)$/ ) { $flags{local}++ } @@ -346,6 +335,12 @@ sub set_action { elsif ( $attr =~ /^(Regex|Regexp)\(\s*(.+)\s*\)$/i ) { push @{ $flags{regex} }, $2; } + if ( my ($key, $value) = ($attr =~ /^(.*?)(?:\(\s*(.+)\s*\))?$/) ) { + if ( defined $value ) { + ($value =~ s/^'(.*)'$/$1/) || ($value =~ s/^"(.*)"/$1/); + } + push(@{$attributes{$key}}, $value); + } } if ( $flags{private} && ( keys %flags > 1 ) ) { @@ -360,33 +355,43 @@ sub set_action { my $parent = $self->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) ); + if ($prefix) { + for my $part ( split '/', $prefix ) { $visitor->setSearchPath($part); $parent->accept($visitor); - $child = $visitor->getResult; + my $child = $visitor->getResult; + + unless ($child) { + + # Create a new tree node and an ActionContainer to form + # its value. + + my $container = Catalyst::ActionContainer->new( + { part => $part, actions => {} }); + $child = $parent->addChild( Tree::Simple->new($container) ); + $visitor->setSearchPath($part); + $parent->accept($visitor); + $child = $visitor->getResult; + } + + $parent = $child; } - - $parent = $child; } my $reverse = $prefix ? "$prefix/$method" : $method; my $action = Catalyst::Action->new( { - code => $code, - reverse => $reverse, - namespace => $namespace, + code => $code, + reverse => $reverse, + namespace => $namespace, + prefix => $prefix, + attributes => \%attributes, } ); - my $uid = $parent->getUID; - $self->actions->{private}->{$uid}->{$method} = $action; + # Set the method value + $parent->getNodeValue->actions->{$method} = $action; my @path; for my $path ( @{ $flags{path} } ) { @@ -398,16 +403,6 @@ sub set_action { } $flags{path} = \@path; - my @regex; - for my $regex ( @{ $flags{regex} } ) { - $regex =~ s/^\w+//; - $regex =~ s/\w+$//; - if ( $regex =~ /^\s*'(.*)'\s*$/ ) { $regex = $1 } - if ( $regex =~ /^\s*"(.*)"\s*$/ ) { $regex = $1 } - push @regex, $regex; - } - $flags{regex} = \@regex; - if ( $flags{local} || $flags{global} ) { push( @{ $flags{path} }, $prefix ? "/$prefix/$method" : "/$method" ) if $flags{local}; @@ -421,9 +416,8 @@ sub set_action { $self->actions->{plain}->{$path} = $action; } - for my $regex ( @{ $flags{regex} } ) { - push @{ $self->actions->{compiled} }, [ $regex, qr#$regex# ]; - $self->actions->{regex}->{$regex} = $action; + foreach my $type ( @{ $self->dispatch_types } ) { + $type->register_action($c, $action); } } @@ -444,8 +438,14 @@ sub setup_actions { } ); + $self->dispatch_types([ + map { "Catalyst::DispatchType::$_"->new } + qw/Regex Default/ ]); + # We use a tree - $self->tree( Tree::Simple->new( 0, Tree::Simple->ROOT ) ); + my $container = Catalyst::ActionContainer->new( + { part => '/', actions => {} } ); + $self->tree( Tree::Simple->new( $container, Tree::Simple->ROOT ) ); for my $comp ( keys %{ $class->components } ) { @@ -499,10 +499,10 @@ sub setup_actions { my ( $walker, $parent, $prefix ) = @_; $prefix .= $parent->getNodeValue || ''; $prefix .= '/' unless $prefix =~ /\/$/; - my $uid = $parent->getUID; + my $node = $parent->getNodeValue->actions; - for my $action ( keys %{ $actions->{private}->{$uid} } ) { - my $action_obj = $actions->{private}->{$uid}->{$action}; + for my $action ( keys %{ $node } ) { + my $action_obj = $node->{$action}; $privates->addRow( "$prefix$action", $action_obj->namespace ); }