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=51eda5de20c85ecec5ed7dae95e1e57ab0aee30f;hb=5257c7c88f19c4cfa8f82e16c02490d3b0bd2b0a;hpb=9ca6d1009c33c822e92073368d38ea922c5a7ae8 diff --git a/inc/Module/Install.pm b/inc/Module/Install.pm deleted file mode 100644 index 51eda5d..0000000 --- a/inc/Module/Install.pm +++ /dev/null @@ -1,430 +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. $INC{inc/Module/Install.pm} set to ./inc/ version of Module::Install -# 3. The ./inc/ version of Module::Install loads -# } - -use 5.005; -use strict 'vars'; - -use vars qw{$VERSION $MAIN}; -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 = '0.91'; - - # Storage for the pseudo-singleton - $MAIN = undef; - - *inc::Module::Install::VERSION = *VERSION; - @inc::Module::Install::ISA = __PACKAGE__; - -} - - - - - -# 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 ) { - my $s = (stat($0))[9]; - - # If the modification time is only slightly in the future, - # sleep briefly to remove the problem. - my $a = $s - time; - if ( $a > 0 and $a < 5 ) { sleep 5 } - - # Too far in the future, throw an error. - my $t = time; - if ( $s > $t ) { die <<"END_DIE" } - -Your installer $0 has a modification time in the future ($s > $t). - -This is known to create infinite loops in make. - -Please correct this, then run $0 again. - -END_DIE -} - - - - - -# Build.PL was formerly supported, but no longer is due to excessive -# difficulty in implementing every single feature twice. -if ( $0 =~ /Build.PL$/i ) { die <<"END_DIE" } - -Module::Install no longer supports Build.PL. - -It was impossible to maintain duel backends, and has been deprecated. - -Please remove all Build.PL files and only use the Makefile.PL installer. - -END_DIE - - - - - -# To save some more typing in Module::Install installers, every... -# use inc::Module::Install -# ...also acts as an implicit use strict. -$^H |= strict::bits(qw(refs subs vars)); - - - - - -use Cwd (); -use File::Find (); -use File::Path (); -use FindBin; - -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"; - my $method = $1; - if ( uc($method) eq $method ) { - # Do nothing - return; - } elsif ( $method =~ /^_/ and $self->can($method) ) { - # Dispatch to the root M:I class - return $self->$method(@_); - } - - # Dispatch to the appropriate plugin - unshift @_, ( $self, $1 ); - goto &{$self->can('call')}; - }; -} - -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"}; - - # Save to the singleton - $MAIN = $self; - - return 1; -} - -sub preload { - my $self = shift; - unless ( $self->{extensions} ) { - $self->load_extensions( - "$self->{prefix}/$self->{path}", $self - ); - } - - my @exts = @{$self->{extensions}}; - unless ( @exts ) { - @exts = $self->{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"; - $args{wrote} = 0; - - 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 { ! ref $_ and 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) ) { - my $content = Module::Install::_read($subpath . '.pm'); - my $in_pod = 0; - foreach ( split //, $content ) { - $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; - } - } - } - - push @found, [ $file, $pkg ]; - }, $path ) if -d $path; - - @found; -} - - - - - -##################################################################### -# Common Utility Functions - -sub _caller { - my $depth = 0; - my $call = caller($depth); - while ( $call eq __PACKAGE__ ) { - $depth++; - $call = caller($depth); - } - return $call; -} - -sub _read { - local *FH; - if ( $] >= 5.006 ) { - open( FH, '<', $_[0] ) or die "open($_[0]): $!"; - } else { - open( FH, "< $_[0]" ) or die "open($_[0]): $!"; - } - my $string = do { local $/; }; - close FH or die "close($_[0]): $!"; - return $string; -} - -sub _readperl { - my $string = Module::Install::_read($_[0]); - $string =~ s/(?:\015{1,2}\012|\015|\012)/\n/sg; - $string =~ s/(\n)\n*__(?:DATA|END)__\b.*\z/$1/s; - $string =~ s/\n\n=\w+.+?\n\n=cut\b.+?\n+/\n\n/sg; - return $string; -} - -sub _readpod { - my $string = Module::Install::_read($_[0]); - $string =~ s/(?:\015{1,2}\012|\015|\012)/\n/sg; - return $string if $_[0] =~ /\.pod\z/; - $string =~ s/(^|\n=cut\b.+?\n+)[^=\s].+?\n(\n=\w+|\z)/$1$2/sg; - $string =~ s/\n*=pod\b[^\n]*\n+/\n\n/sg; - $string =~ s/\n*=cut\b[^\n]*\n+/\n\n/sg; - $string =~ s/^\n+//s; - return $string; -} - -sub _write { - local *FH; - if ( $] >= 5.006 ) { - open( FH, '>', $_[0] ) or die "open($_[0]): $!"; - } else { - open( FH, "> $_[0]" ) or die "open($_[0]): $!"; - } - foreach ( 1 .. $#_ ) { - print FH $_[$_] or die "print($_[0]): $!"; - } - close FH or die "close($_[0]): $!"; -} - -# _version is for processing module versions (eg, 1.03_05) not -# Perl versions (eg, 5.8.1). -sub _version ($) { - my $s = shift || 0; - my $d =()= $s =~ /(\.)/g; - if ( $d >= 2 ) { - # Normalise multipart versions - $s =~ s/(\.)(\d{1,3})/sprintf("$1%03d",$2)/eg; - } - $s =~ s/^(\d+)\.?//; - my $l = $1 || 0; - my @v = map { - $_ . '0' x (3 - length $_) - } $s =~ /(\d{1,3})\D?/g; - $l = $l . '.' . join '', @v if @v; - return $l + 0; -} - -sub _cmp ($$) { - _version($_[0]) <=> _version($_[1]); -} - -# Cloned from Params::Util::_CLASS -sub _CLASS ($) { - ( - defined $_[0] - and - ! ref $_[0] - and - $_[0] =~ m/^[^\W\d]\w*(?:::\w+)*\z/s - ) ? $_[0] : undef; -} - -1; - -# Copyright 2008 - 2009 Adam Kennedy.