X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FUtils.pm;h=d27fa9c5e83c7dedc153261735c660f461257c4f;hp=6c2ecb54ce4476cff3974745f0a516c389d28f6a;hb=2f3812528068bc1d9f7840067f0c03d36cd47e6d;hpb=5e5bd6df0d40414ef887ac8b9aa67e2ffac77bd9 diff --git a/lib/Catalyst/Utils.pm b/lib/Catalyst/Utils.pm index 6c2ecb5..d27fa9c 100644 --- a/lib/Catalyst/Utils.pm +++ b/lib/Catalyst/Utils.pm @@ -8,6 +8,7 @@ use Path::Class; use URI; use Class::Inspector; use Carp qw/croak/; +use Cwd; =head1 NAME @@ -23,7 +24,7 @@ See L. =head2 appprefix($class) - MyApp::Foo becomes myapp_foo + MyApp::Foo becomes myapp_foo =cut @@ -160,6 +161,7 @@ sub home { # 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 @@ -171,8 +173,9 @@ sub home { # clean up relative path: # MyApp/script/.. -> MyApp - my ($lastdir) = $home->dir_list( -1, 1 ); - if ( $lastdir eq '..' ) { + my $dir; + my @dir_list = $home->dir_list(); + while (($dir = pop(@dir_list)) && $dir eq '..') { $home = dir($home)->parent->parent; } @@ -233,10 +236,15 @@ sub request { return $request; } -=head2 ensure_class_loaded($class_name) +=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 { @@ -246,6 +254,12 @@ sub ensure_class_loaded { 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 $class =~ m/\.pm$/; + return if !$opts->{ ignore_loaded } && Class::Inspector->loaded( $class ); # if a symbol entry exists we don't load again @@ -253,7 +267,9 @@ sub ensure_class_loaded { my $error; { local $@; - eval "require $class"; + my $file = $class . '.pm'; + $file =~ s{::}{/}g; + eval { CORE::require($file) }; $error = $@; } @@ -292,11 +308,32 @@ sub merge_hashes { return \%merged; } +=head2 env_value($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; +} -=head1 AUTHOR +=head1 AUTHORS -Sebastian Riedel, C -Yuval Kogman, C +Catalyst Contributors, see Catalyst.pm =head1 COPYRIGHT