use strict;
use base qw/Class::Data::Inheritable Class::Accessor::Fast/;
+use attributes ();
use UNIVERSAL::require;
+use CGI::Cookie;
use Data::Dumper;
use HTML::Entities;
use HTTP::Headers;
use Time::HiRes qw/gettimeofday tv_interval/;
+use Text::ASCIITable;
use Catalyst::Request;
+use Catalyst::Request::Upload;
use Catalyst::Response;
require Module::Pluggable::Fast;
+# For pretty dumps
$Data::Dumper::Terse = 1;
-__PACKAGE__->mk_classdata($_) for qw/actions components/;
-__PACKAGE__->mk_accessors(qw/request response/);
-
-__PACKAGE__->actions(
- { plain => {}, regex => {}, compiled => {}, reverse => {} } );
+__PACKAGE__->mk_classdata('components');
+__PACKAGE__->mk_accessors(qw/request response state/);
*comp = \&component;
*req = \&request;
*res = \&response;
+# For backwards compatibility
+*finalize_output = \&finalize_body;
+
+# For statistics
our $COUNT = 1;
our $START = time;
=over 4
-=item $c->action( $name => $coderef, ... )
-
-=item $c->action( $name )
-
-=item $c->action
-
-Add one or more actions.
-
- $c->action( '!foo' => sub { $_[1]->res->output('Foo!') } );
-
-Get an action's class and coderef.
-
- my ($class, $code) = @{ $c->action('foo') };
-
-Get a list of available actions.
-
- my @actions = $c->action;
-
-It also automatically calls setup() if needed.
-
-See L<Catalyst::Manual::Intro> for more informations about actions.
-
-=cut
-
-sub action {
- my $self = shift;
- $self->setup unless $self->components;
- $self->actions( {} ) unless $self->actions;
- my $action;
- $_[1] ? ( $action = {@_} ) : ( $action = shift );
- if ( ref $action eq 'HASH' ) {
- while ( my ( $name, $code ) = each %$action ) {
- my $class = caller(0);
- if ( $name =~ /^\/(.*)\/$/ ) {
- my $regex = $1;
- $self->actions->{compiled}->{qr/$regex/} = $name;
- $self->actions->{regex}->{$name} = [ $class, $code ];
- }
- elsif ( $name =~ /^\?(.*)$/ ) {
- $name = $1;
- $name = _prefix( $class, $name );
- $self->actions->{plain}->{$name} = [ $class, $code ];
- }
- elsif ( $name =~ /^\!\?(.*)$/ ) {
- $name = $1;
- $name = _prefix( $class, $name );
- $name = "\!$name";
- $self->actions->{plain}->{$name} = [ $class, $code ];
- }
- else { $self->actions->{plain}->{$name} = [ $class, $code ] }
- $self->actions->{reverse}->{"$code"} = $name;
- $self->log->debug(qq/"$class" defined "$name" as "$code"/)
- if $self->debug;
- }
- }
- elsif ($action) {
- if ( my $p = $self->actions->{plain}->{$action} ) { return [$p] }
- elsif ( my $r = $self->actions->{regex}->{$action} ) { return [$r] }
- else {
- for my $regex ( keys %{ $self->actions->{compiled} } ) {
- my $name = $self->actions->{compiled}->{$regex};
- if ( $action =~ $regex ) {
- my @snippets;
- for my $i ( 1 .. 9 ) {
- no strict 'refs';
- last unless ${$i};
- push @snippets, ${$i};
- }
- return [ $self->actions->{regex}->{$name},
- $name, \@snippets ];
- }
- }
- }
- return 0;
- }
- else {
- return (
- keys %{ $self->actions->{plain} },
- keys %{ $self->actions->{regex} }
- );
- }
-}
-
=item $c->benchmark($coderef)
Takes a coderef with arguments and returns elapsed time as float.
sub component {
my ( $c, $name ) = @_;
+
if ( my $component = $c->components->{$name} ) {
return $component;
}
+
else {
for my $component ( keys %{ $c->components } ) {
return $c->components->{$component} if $component =~ /$name/i;
}
}
+
}
-=item $c->errors
+=item $c->error
-=item $c->errors($error, ...)
+=item $c->error($error, ...)
-=item $c->errors($arrayref)
+=item $c->error($arrayref)
-Returns an arrayref containing errors messages.
+Returns an arrayref containing error messages.
- my @errors = @{ $c->errors };
+ my @error = @{ $c->error };
Add a new error.
- $c->errors('Something bad happened');
+ $c->error('Something bad happened');
=cut
-sub errors {
+sub error {
my $c = shift;
- my $errors = ref $_[0] eq 'ARRAY' ? $_[0] : [@_];
- push @{ $c->{errors} }, @$errors;
- return $c->{errors};
+ my $error = ref $_[0] eq 'ARRAY' ? $_[0] : [@_];
+ push @{ $c->{error} }, @$error;
+ return $c->{error};
+}
+
+=item $c->execute($class, $coderef)
+
+Execute a coderef in given class and catch exceptions.
+Errors are available via $c->error.
+
+=cut
+
+sub execute {
+ my ( $c, $class, $code ) = @_;
+ $class = $c->components->{$class} || $class;
+ $c->state(0);
+ my $callsub = ( caller(1) )[3];
+
+ eval {
+ if ( $c->debug )
+ {
+ my $action = $c->actions->{reverse}->{"$code"};
+ $action = "/$action" unless $action =~ /\-\>/;
+ $action = "-> $action" if $callsub =~ /forward$/;
+ my ( $elapsed, @state ) =
+ $c->benchmark( $code, $class, $c, @{ $c->req->args } );
+ push @{ $c->{stats} }, [ $action, sprintf( '%fs', $elapsed ) ];
+ $c->state(@state);
+ }
+ else { $c->state( &$code( $class, $c, @{ $c->req->args } ) ) }
+ };
+
+ if ( my $error = $@ ) {
+
+ unless ( ref $error ) {
+ chomp $error;
+ $error = qq/Caught exception "$error"/;
+ }
+
+ $c->log->error($error);
+ $c->error($error);
+ $c->state(0);
+ }
+ return $c->state;
}
=item $c->finalize
sub finalize {
my $c = shift;
- if ( my $location = $c->res->redirect ) {
+ $c->finalize_cookies;
+
+ if ( my $location = $c->response->redirect ) {
$c->log->debug(qq/Redirecting to "$location"/) if $c->debug;
- $c->res->headers->header( Location => $location );
- $c->res->status(302);
+ $c->response->header( Location => $location );
+ $c->response->status(302) if $c->response->status !~ /^3\d\d$/;
+ }
+
+ if ( $#{ $c->error } >= 0 ) {
+ $c->finalize_error;
+ }
+
+ if ( !$c->response->body && $c->response->status !~ /^(1|3)\d\d$/ ) {
+ $c->finalize_error;
+ }
+
+ if ( $c->response->body && !$c->response->content_length ) {
+ use bytes; # play safe with a utf8 aware perl
+ $c->response->content_length( length $c->response->body );
+ }
+
+ my $status = $c->finalize_headers;
+ $c->finalize_body;
+ return $status;
+}
+
+=item $c->finalize_output
+
+alias to finalize_body
+
+=item $c->finalize_body
+
+Finalize body.
+
+=cut
+
+sub finalize_body { }
+
+=item $c->finalize_cookies
+
+Finalize cookies.
+
+=cut
+
+sub finalize_cookies {
+ my $c = shift;
+
+ while ( my ( $name, $cookie ) = each %{ $c->response->cookies } ) {
+ my $cookie = CGI::Cookie->new(
+ -name => $name,
+ -value => $cookie->{value},
+ -expires => $cookie->{expires},
+ -domain => $cookie->{domain},
+ -path => $cookie->{path},
+ -secure => $cookie->{secure} || 0
+ );
+
+ $c->res->headers->push_header( 'Set-Cookie' => $cookie->as_string );
}
+}
+
+=item $c->finalize_error
+
+Finalize error.
+
+=cut
- if ( !$c->res->output || $#{ $c->errors } >= 0 ) {
- $c->res->headers->content_type('text/html');
- my $name = $c->config->{name} || 'Catalyst Application';
- my ( $title, $errors, $infos );
- if ( $c->debug ) {
- $errors = join '<br/>', @{ $c->errors };
- $errors ||= 'No output';
- $title = $name = "$name on Catalyst $Catalyst::VERSION";
- my $req = encode_entities Dumper $c->req;
- my $res = encode_entities Dumper $c->res;
- my $stash = encode_entities Dumper $c->stash;
- $infos = <<"";
+sub finalize_error {
+ my $c = shift;
+
+ $c->res->headers->content_type('text/html');
+ my $name = $c->config->{name} || 'Catalyst Application';
+
+ my ( $title, $error, $infos );
+ if ( $c->debug ) {
+ $error = join '<br/>', @{ $c->error };
+ $error ||= 'No output';
+ $title = $name = "$name on Catalyst $Catalyst::VERSION";
+ my $req = encode_entities Dumper $c->req;
+ my $res = encode_entities Dumper $c->res;
+ my $stash = encode_entities Dumper $c->stash;
+ $infos = <<"";
<br/>
<b><u>Request</u></b><br/>
<pre>$req</pre>
<b><u>Stash</u></b><br/>
<pre>$stash</pre>
- }
- else {
- $title = $name;
- $errors = '';
- $infos = <<"";
+ }
+ else {
+ $title = $name;
+ $error = '';
+ $infos = <<"";
<pre>
(en) Please come back later
(de) Bitte versuchen sie es spaeter nocheinmal
(it) Ritornato prego piĆ¹ successivamente
</pre>
- $name = '';
- }
- $c->res->{output} = <<"";
+ $name = '';
+ }
+ $c->res->body( <<"" );
<html>
- <head>
- <title>$title</title>
- <style type="text/css">
- body {
- font-family: "Bitstream Vera Sans", "Trebuchet MS", Verdana,
- Tahoma, Arial, helvetica, sans-serif;
- color: #ddd;
- background-color: #eee;
- margin: 0px;
- padding: 0px;
- }
- div.box {
- background-color: #ccc;
- border: 1px solid #aaa;
- padding: 4px;
- margin: 10px;
- -moz-border-radius: 10px;
- }
- div.errors {
- background-color: #977;
- border: 1px solid #755;
- padding: 8px;
- margin: 4px;
- margin-bottom: 10px;
- -moz-border-radius: 10px;
- }
- div.infos {
- background-color: #797;
- border: 1px solid #575;
- padding: 8px;
- margin: 4px;
- margin-bottom: 10px;
- -moz-border-radius: 10px;
- }
- div.name {
- background-color: #779;
- border: 1px solid #557;
- padding: 8px;
- margin: 4px;
- -moz-border-radius: 10px;
- }
- </style>
- </head>
- <body>
- <div class="box">
- <div class="errors">$errors</div>
- <div class="infos">$infos</div>
- <div class="name">$name</div>
- </div>
- </body>
+<head>
+ <title>$title</title>
+ <style type="text/css">
+ body {
+ font-family: "Bitstream Vera Sans", "Trebuchet MS", Verdana,
+ Tahoma, Arial, helvetica, sans-serif;
+ color: #ddd;
+ background-color: #eee;
+ margin: 0px;
+ padding: 0px;
+ }
+ div.box {
+ background-color: #ccc;
+ border: 1px solid #aaa;
+ padding: 4px;
+ margin: 10px;
+ -moz-border-radius: 10px;
+ }
+ div.error {
+ background-color: #977;
+ border: 1px solid #755;
+ padding: 8px;
+ margin: 4px;
+ margin-bottom: 10px;
+ -moz-border-radius: 10px;
+ }
+ div.infos {
+ background-color: #797;
+ border: 1px solid #575;
+ padding: 8px;
+ margin: 4px;
+ margin-bottom: 10px;
+ -moz-border-radius: 10px;
+ }
+ div.name {
+ background-color: #779;
+ border: 1px solid #557;
+ padding: 8px;
+ margin: 4px;
+ -moz-border-radius: 10px;
+ }
+ </style>
+</head>
+<body>
+ <div class="box">
+ <div class="error">$error</div>
+ <div class="infos">$infos</div>
+ <div class="name">$name</div>
+ </div>
+</body>
</html>
- }
- $c->res->headers->content_length( length $c->res->output );
- my $status = $c->finalize_headers;
- $c->finalize_output;
- return $status;
}
=item $c->finalize_headers
sub finalize_headers { }
-=item $c->finalize_output
-
-Finalize output.
-
-=cut
-
-sub finalize_output { }
-
-=item $c->forward($command)
-
-Forward processing to a private/public action or a method from a class.
-If you define a class without method it will default to process().
-
- $c->forward('!foo');
- $c->forward('index.html');
- $c->forward(qw/MyApp::Model::CDBI::Foo do_stuff/);
- $c->forward('MyApp::View::TT');
-
-=cut
-
-sub forward {
- my $c = shift;
- my $command = shift;
- unless ($command) {
- $c->log->debug('Nothing to forward to') if $c->debug;
- return 0;
- }
- if ( $command =~ /^\?(.*)$/ ) {
- $command = $1;
- my $caller = caller(0);
- $command = _prefix( $caller, $command );
- }
- elsif ( $command =~ /^\!\?(.*)$/ ) {
- $command = $1;
- my $caller = caller(0);
- $command = _prefix( $caller, $command );
- $command = "\!$command";
- }
- elsif ( $command =~ /^\!(.*)$/ ) {
- my $try = $1;
- my $caller = caller(0);
- my $prefix = _class2prefix($caller);
- $try = "!$prefix/$command";
- $command = $try if $c->actions->{plain}->{$try};
- }
- my ( $class, $code );
- if ( my $action = $c->action($command) ) {
- if ( $action->[2] ) {
- $c->log->debug(qq/Couldn't forward "$command" to regex action/)
- if $c->debug;
- return 0;
- }
- ( $class, $code ) = @{ $action->[0] };
- }
- else {
- $class = $command;
- if ( $class =~ /[^\w\:]/ ) {
- $c->log->debug(qq/Couldn't forward to "$class"/) if $c->debug;
- return 0;
- }
- my $method = shift || 'process';
- if ( $code = $class->can($method) ) {
- $c->actions->{reverse}->{"$code"} = "$class->$method";
- }
- else {
- $c->log->debug(qq/Couldn't forward to "$class->$method"/)
- if $c->debug;
- return 0;
- }
- }
- $class = $c->components->{$class} || $class;
- return $c->process( $class, $code );
-}
-
-=item $c->handler($r)
+=item $c->handler( $class, $engine )
Handles the request.
=cut
sub handler {
- my ( $class, $r ) = @_;
+ my ( $class, $engine ) = @_;
# Always expect worst case!
my $status = -1;
eval {
+ my @stats = ();
+
my $handler = sub {
- my $c = $class->prepare($r);
- if ( my $action = $c->action( $c->req->action ) ) {
- my ( $begin, $end );
- my $class = ${ $action->[0] }[0];
- my $prefix = _class2prefix($class);
- if ($prefix) {
- if ( $c->actions->{plain}->{"\!$prefix/begin"} ) {
- $begin = "\!$prefix/begin";
- }
- elsif ( $c->actions->{plain}->{'!begin'} ) {
- $begin = '!begin';
- }
- if ( $c->actions->{plain}->{"\!$prefix/end"} ) {
- $end = "\!$prefix/end";
- }
- elsif ( $c->actions->{plain}->{'!end'} ) { $end = '!end' }
- }
- else {
- if ( $c->actions->{plain}->{'!begin'} ) {
- $begin = '!begin';
- }
- if ( $c->actions->{plain}->{'!end'} ) { $end = '!end' }
- }
- $c->forward($begin) if $begin;
- $c->forward( $c->req->action ) if $c->req->action;
- $c->forward($end) if $end;
- }
- else {
- my $action = $c->req->path;
- my $error = $action
- ? qq/Unknown resource "$action"/
- : "No default action defined";
- $c->log->error($error) if $c->debug;
- $c->errors($error);
- }
+ my $c = $class->prepare($engine);
+ $c->{stats} = \@stats;
+ $c->dispatch;
return $c->finalize;
};
+
if ( $class->debug ) {
my $elapsed;
( $elapsed, $status ) = $class->benchmark($handler);
$elapsed = sprintf '%f', $elapsed;
my $av = sprintf '%.3f', 1 / $elapsed;
- $class->log->info( "Request took $elapsed" . "s ($av/s)" );
+ my $t = Text::ASCIITable->new;
+ $t->setCols( 'Action', 'Time' );
+ $t->setColWidth( 'Action', 64, 1 );
+ $t->setColWidth( 'Time', 9, 1 );
+
+ for my $stat (@stats) { $t->addRow( $stat->[0], $stat->[1] ) }
+ $class->log->info( "Request took $elapsed" . "s ($av/s)",
+ $t->draw );
}
else { $status = &$handler }
+
};
+
if ( my $error = $@ ) {
chomp $error;
$class->log->error(qq/Caught exception in engine "$error"/);
}
+
$COUNT++;
return $status;
}
=item $c->prepare($r)
-Turns the engine-specific request (Apache, CGI...) into a Catalyst context.
+Turns the engine-specific request( Apache, CGI ... )
+into a Catalyst context .
=cut
sub prepare {
- my ( $class, $r ) = @_;
+ my ( $class, $engine ) = @_;
+
my $c = bless {
request => Catalyst::Request->new(
{
response => Catalyst::Response->new(
{ cookies => {}, headers => HTTP::Headers->new, status => 200 }
),
- stash => {}
+ stash => {},
+ state => 0
}, $class;
+
if ( $c->debug ) {
my $secs = time - $START || 1;
my $av = sprintf '%.3f', $COUNT / $secs;
- $c->log->debug('********************************');
+ $c->log->debug('**********************************');
$c->log->debug("* Request $COUNT ($av/s) [$$]");
- $c->log->debug('********************************');
+ $c->log->debug('**********************************');
$c->res->headers->header( 'X-Catalyst' => $Catalyst::VERSION );
}
- $c->prepare_request($r);
+
+ $c->prepare_request($engine);
$c->prepare_path;
- $c->prepare_cookies;
$c->prepare_headers;
+ $c->prepare_cookies;
$c->prepare_connection;
+ $c->prepare_action;
+
my $method = $c->req->method || '';
my $path = $c->req->path || '';
my $hostname = $c->req->hostname || '';
my $address = $c->req->address || '';
+
$c->log->debug(qq/"$method" request for "$path" from $hostname($address)/)
if $c->debug;
- $c->prepare_action;
- $c->prepare_parameters;
+
+ if ( $c->request->method eq 'POST' and $c->request->content_length ) {
+
+ if ( $c->req->content_type eq 'application/x-www-form-urlencoded' ) {
+ $c->prepare_parameters;
+ }
+ elsif ( $c->req->content_type eq 'multipart/form-data' ) {
+ $c->prepare_parameters;
+ $c->prepare_uploads;
+ }
+ else {
+ $c->prepare_body;
+ }
+ }
+
+ if ( $c->request->method eq 'GET' ) {
+ $c->prepare_parameters;
+ }
if ( $c->debug && keys %{ $c->req->params } ) {
- my @params;
+ my $t = Text::ASCIITable->new;
+ $t->setCols( 'Key', 'Value' );
+ $t->setColWidth( 'Key', 37, 1 );
+ $t->setColWidth( 'Value', 36, 1 );
for my $key ( keys %{ $c->req->params } ) {
my $value = $c->req->params->{$key} || '';
- push @params, "$key=$value";
+ $t->addRow( $key, $value );
}
- $c->log->debug( 'Parameters are "' . join( ' ', @params ) . '"' );
+ $c->log->debug( 'Parameters are', $t->draw );
}
- $c->prepare_uploads;
+
return $c;
}
my $path = $c->req->path;
my @path = split /\//, $c->req->path;
$c->req->args( \my @args );
+
while (@path) {
$path = join '/', @path;
- if ( my $result = $c->action($path) ) {
+ if ( my $result = ${ $c->get_action($path) }[0] ) {
# It's a regex
if ($#$result) {
my $match = $result->[1];
my @snippets = @{ $result->[2] };
- $c->log->debug(qq/Requested action "$path" matched "$match"/)
+ $c->log->debug(
+ qq/Requested action is "$path" and matched "$match"/)
if $c->debug;
$c->log->debug(
'Snippets are "' . join( ' ', @snippets ) . '"' )
$c->req->action($match);
$c->req->snippets( \@snippets );
}
+
else {
$c->req->action($path);
- $c->log->debug(qq/Requested action "$path"/) if $c->debug;
+ $c->log->debug(qq/Requested action is "$path"/) if $c->debug;
}
+
$c->req->match($path);
last;
}
unshift @args, pop @path;
}
+
unless ( $c->req->action ) {
- my $prefix = $c->req->args->[0];
- if ( $prefix && $c->actions->{plain}->{"\!$prefix/default"} ) {
- $c->req->match('');
- $c->req->action("\!$prefix/default");
- $c->log->debug('Using prefixed default action') if $c->debug;
- }
- elsif ( $c->actions->{plain}->{'!default'} ) {
- $c->req->match('');
- $c->req->action('!default');
- $c->log->debug('Using default action') if $c->debug;
- }
+ $c->req->action('default');
+ $c->req->match('');
}
+
$c->log->debug( 'Arguments are "' . join( '/', @args ) . '"' )
if ( $c->debug && @args );
}
-=item $c->prepare_connection;
+=item $c->prepare_body
+
+Prepare message body.
+
+=cut
+
+sub prepare_body { }
+
+=item $c->prepare_connection
Prepare connection.
sub prepare_connection { }
-=item $c->prepare_cookies;
+=item $c->prepare_cookies
Prepare cookies.
=cut
-sub prepare_cookies { }
+sub prepare_cookies {
+ my $c = shift;
+
+ if ( my $header = $c->request->header('Cookie') ) {
+ $c->req->cookies( { CGI::Cookie->parse($header) } );
+ }
+}
=item $c->prepare_headers
sub prepare_uploads { }
-=item $c->process($class, $coderef)
-
-Process a coderef in given class and catch exceptions.
-Errors are available via $c->errors.
-
-=cut
-
-sub process {
- my ( $c, $class, $code ) = @_;
- my $status;
- eval {
- if ( $c->debug )
- {
- my $action = $c->actions->{reverse}->{"$code"} || "$code";
- my $elapsed;
- ( $elapsed, $status ) =
- $c->benchmark( $code, $class, $c, @{ $c->req->args } );
- $c->log->info( sprintf qq/Processing "$action" took %fs/, $elapsed )
- if $c->debug;
- }
- else { $status = &$code( $class, $c, @{ $c->req->args } ) }
- };
- if ( my $error = $@ ) {
- chomp $error;
- $error = qq/Caught exception "$error"/;
- $c->log->error($error);
- $c->errors($error) if $c->debug;
- return 0;
- }
- return $status;
-}
-
-=item $c->remove_action($action)
+=item $c->run
-Remove an action.
-
- $c->remove_action('!foo');
+Starts the engine.
=cut
-sub remove_action {
- my ( $self, $action ) = @_;
- if ( delete $self->actions->{regex}->{$action} ) {
- while ( my ( $regex, $name ) = each %{ $self->actions->{compiled} } ) {
- if ( $name eq $action ) {
- delete $self->actions->{compiled}->{$regex};
- last;
- }
- }
- }
- else {
- delete $self->actions->{plain}->{$action};
- }
-}
+sub run { }
=item $c->request
if ( my $error = $@ ) {
chomp $error;
- $self->log->error(
- qq/Couldn't initialize "Module::Pluggable::Fast", "$error"/);
+ die qq/Couldn't load components "$error"/;
}
+
$self->components( {} );
- for my $component ( $self->_components($self) ) {
- $self->components->{ ref $component } = $component;
+ my @comps;
+ for my $comp ( $self->_components($self) ) {
+ $self->components->{ ref $comp } = $comp;
+ push @comps, $comp;
}
- $self->log->debug( 'Initialized components "'
- . join( ' ', keys %{ $self->components } )
- . '"' )
- if $self->debug;
+
+ my $t = Text::ASCIITable->new( { hide_HeadRow => 1, hide_HeadLine => 1 } );
+ $t->setCols('Class');
+ $t->setColWidth( 'Class', 75, 1 );
+ $t->addRow($_) for keys %{ $self->components };
+ $self->log->debug( 'Loaded components', $t->draw )
+ if ( @{ $t->{tbl_rows} } && $self->debug );
+
+ $self->setup_actions( [ $self, @comps ] );
}
+=item $c->state
+
+Contains the return value of the last executed action.
+
=item $c->stash
Returns a hashref containing all your data.
return $self->{stash};
}
-sub _prefix {
- my ( $class, $name ) = @_;
- my $prefix = _class2prefix($class);
- $name = "$prefix/$name" if $prefix;
- return $name;
-}
-
-sub _class2prefix {
- my $class = shift;
- $class =~ /^.*::[(M)(Model)(V)(View)(C)(Controller)]+::(.*)$/;
- my $prefix = lc $1 || '';
- $prefix =~ s/\:\:/_/g;
- return $prefix;
-}
-
=back
=head1 AUTHOR