X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Engine-SCGI.git;a=blobdiff_plain;f=inc%2FModule%2FInstall.pm;fp=inc%2FModule%2FInstall.pm;h=0000000000000000000000000000000000000000;hp=0330b0e1d69cb97b096408e37b27a9ba7e8fb4a7;hb=34eed82295b025f958c1f81053e0b56c2e2ce0f4;hpb=9271879e123b030e3abceb37631836a21d8db99e diff --git a/inc/Module/Install.pm b/inc/Module/Install.pm deleted file mode 100644 index 0330b0e..0000000 --- a/inc/Module/Install.pm +++ /dev/null @@ -1,281 +0,0 @@ -#line 1 -package Module::Install; - -# For any maintainers: -# The load order for Module::Install is a bit magic. -# It goes something like this... -# -# IF ( host has Module::Install installed, creating author mode ) { -# 1. Makefile.PL calls "use inc::Module::Install" -# 2. $INC{inc/Module/Install.pm} set to installed version of inc::Module::Install -# 3. The installed version of inc::Module::Install loads -# 4. inc::Module::Install calls "require Module::Install" -# 5. The ./inc/ version of Module::Install loads -# } ELSE { -# 1. Makefile.PL calls "use inc::Module::Install" -# 2. $INC{inc/Module/Install.pm} set to ./inc/ version of Module::Install -# 3. The ./inc/ version of Module::Install loads -# } - -use 5.004; -use strict 'vars'; - -use vars qw{$VERSION}; -BEGIN { - # All Module::Install core packages now require synchronised versions. - # This will be used to ensure we don't accidentally load old or - # different versions of modules. - # This is not enforced yet, but will be some time in the next few - # releases once we can make sure it won't clash with custom - # Module::Install extensions. - $VERSION = '0.64'; -} - -# Whether or not inc::Module::Install is actually loaded, the -# $INC{inc/Module/Install.pm} is what will still get set as long as -# the caller loaded module this in the documented manner. -# If not set, the caller may NOT have loaded the bundled version, and thus -# they may not have a MI version that works with the Makefile.PL. This would -# result in false errors or unexpected behaviour. And we don't want that. -my $file = join( '/', 'inc', split /::/, __PACKAGE__ ) . '.pm'; -unless ( $INC{$file} ) { - die <<"END_DIE"; -Please invoke ${\__PACKAGE__} with: - - use inc::${\__PACKAGE__}; - -not: - - use ${\__PACKAGE__}; - -END_DIE -} - -# If the script that is loading Module::Install is from the future, -# then make will detect this and cause it to re-run over and over -# again. This is bad. Rather than taking action to touch it (which -# is unreliable on some platforms and requires write permissions) -# for now we should catch this and refuse to run. -if ( -f $0 and (stat($0))[9] > time ) { - die << "END_DIE"; -Your installer $0 has a modification time in the future. - -This is known to create infinite loops in make. - -Please correct this, then run $0 again. - -END_DIE -} - -use Cwd (); -use File::Find (); -use File::Path (); -use FindBin; - -*inc::Module::Install::VERSION = *VERSION; -@inc::Module::Install::ISA = __PACKAGE__; - -sub autoload { - my $self = shift; - my $who = $self->_caller; - my $cwd = Cwd::cwd(); - my $sym = "${who}::AUTOLOAD"; - $sym->{$cwd} = sub { - my $pwd = Cwd::cwd(); - if ( my $code = $sym->{$pwd} ) { - # delegate back to parent dirs - goto &$code unless $cwd eq $pwd; - } - $$sym =~ /([^:]+)$/ or die "Cannot autoload $who - $sym"; - unshift @_, ($self, $1); - goto &{$self->can('call')} unless uc($1) eq $1; - }; -} - -sub import { - my $class = shift; - my $self = $class->new(@_); - my $who = $self->_caller; - - unless ( -f $self->{file} ) { - require "$self->{path}/$self->{dispatch}.pm"; - File::Path::mkpath("$self->{prefix}/$self->{author}"); - $self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self ); - $self->{admin}->init; - @_ = ($class, _self => $self); - goto &{"$self->{name}::import"}; - } - - *{"${who}::AUTOLOAD"} = $self->autoload; - $self->preload; - - # Unregister loader and worker packages so subdirs can use them again - delete $INC{"$self->{file}"}; - delete $INC{"$self->{path}.pm"}; -} - -sub preload { - my ($self) = @_; - - unless ( $self->{extensions} ) { - $self->load_extensions( - "$self->{prefix}/$self->{path}", $self - ); - } - - my @exts = @{$self->{extensions}}; - unless ( @exts ) { - my $admin = $self->{admin}; - @exts = $admin->load_all_extensions; - } - - my %seen; - foreach my $obj ( @exts ) { - while (my ($method, $glob) = each %{ref($obj) . '::'}) { - next unless $obj->can($method); - next if $method =~ /^_/; - next if $method eq uc($method); - $seen{$method}++; - } - } - - my $who = $self->_caller; - foreach my $name ( sort keys %seen ) { - *{"${who}::$name"} = sub { - ${"${who}::AUTOLOAD"} = "${who}::$name"; - goto &{"${who}::AUTOLOAD"}; - }; - } -} - -sub new { - my ($class, %args) = @_; - - # ignore the prefix on extension modules built from top level. - my $base_path = Cwd::abs_path($FindBin::Bin); - unless ( Cwd::abs_path(Cwd::cwd()) eq $base_path ) { - delete $args{prefix}; - } - - return $args{_self} if $args{_self}; - - $args{dispatch} ||= 'Admin'; - $args{prefix} ||= 'inc'; - $args{author} ||= ($^O eq 'VMS' ? '_author' : '.author'); - $args{bundle} ||= 'inc/BUNDLES'; - $args{base} ||= $base_path; - $class =~ s/^\Q$args{prefix}\E:://; - $args{name} ||= $class; - $args{version} ||= $class->VERSION; - unless ( $args{path} ) { - $args{path} = $args{name}; - $args{path} =~ s!::!/!g; - } - $args{file} ||= "$args{base}/$args{prefix}/$args{path}.pm"; - - bless( \%args, $class ); -} - -sub call { - my ($self, $method) = @_; - my $obj = $self->load($method) or return; - splice(@_, 0, 2, $obj); - goto &{$obj->can($method)}; -} - -sub load { - my ($self, $method) = @_; - - $self->load_extensions( - "$self->{prefix}/$self->{path}", $self - ) unless $self->{extensions}; - - foreach my $obj (@{$self->{extensions}}) { - return $obj if $obj->can($method); - } - - my $admin = $self->{admin} or die <<"END_DIE"; -The '$method' method does not exist in the '$self->{prefix}' path! -Please remove the '$self->{prefix}' directory and run $0 again to load it. -END_DIE - - my $obj = $admin->load($method, 1); - push @{$self->{extensions}}, $obj; - - $obj; -} - -sub load_extensions { - my ($self, $path, $top) = @_; - - unless ( grep { lc $_ eq lc $self->{prefix} } @INC ) { - unshift @INC, $self->{prefix}; - } - - foreach my $rv ( $self->find_extensions($path) ) { - my ($file, $pkg) = @{$rv}; - next if $self->{pathnames}{$pkg}; - - local $@; - my $new = eval { require $file; $pkg->can('new') }; - unless ( $new ) { - warn $@ if $@; - next; - } - $self->{pathnames}{$pkg} = delete $INC{$file}; - push @{$self->{extensions}}, &{$new}($pkg, _top => $top ); - } - - $self->{extensions} ||= []; -} - -sub find_extensions { - my ($self, $path) = @_; - - my @found; - File::Find::find( sub { - my $file = $File::Find::name; - return unless $file =~ m!^\Q$path\E/(.+)\.pm\Z!is; - my $subpath = $1; - return if lc($subpath) eq lc($self->{dispatch}); - - $file = "$self->{path}/$subpath.pm"; - my $pkg = "$self->{name}::$subpath"; - $pkg =~ s!/!::!g; - - # If we have a mixed-case package name, assume case has been preserved - # correctly. Otherwise, root through the file to locate the case-preserved - # version of the package name. - if ( $subpath eq lc($subpath) || $subpath eq uc($subpath) ) { - open PKGFILE, "<$subpath.pm" or die "find_extensions: Can't open $subpath.pm: $!"; - my $in_pod = 0; - while ( ) { - $in_pod = 1 if /^=\w/; - $in_pod = 0 if /^=cut/; - next if ($in_pod || /^=cut/); # skip pod text - next if /^\s*#/; # and comments - if ( m/^\s*package\s+($pkg)\s*;/i ) { - $pkg = $1; - last; - } - } - close PKGFILE; - } - - push @found, [ $file, $pkg ]; - }, $path ) if -d $path; - - @found; -} - -sub _caller { - my $depth = 0; - my $call = caller($depth); - while ( $call eq __PACKAGE__ ) { - $depth++; - $call = caller($depth); - } - return $call; -} - -1;