+++ /dev/null
-#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 ( <PKGFILE> ) {
- $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;
projects / catagits/Catalyst-Engine-SCGI.git / blobdiff