17
17
# 3. The ./inc/ version of Module::Install loads
23
25
use vars qw{$VERSION};
25
# All Module::Install core packages now require synchronised versions.
26
# This will be used to ensure we don't accidentally load old or
27
# different versions of modules.
28
# This is not enforced yet, but will be some time in the next few
29
# releases once we can make sure it won't clash with custom
30
# Module::Install extensions.
27
# All Module::Install core packages now require synchronised versions.
28
# This will be used to ensure we don't accidentally load old or
29
# different versions of modules.
30
# This is not enforced yet, but will be some time in the next few
31
# releases once we can make sure it won't clash with custom
32
# Module::Install extensions.
35
*inc::Module::Install::VERSION = *VERSION;
36
@inc::Module::Install::ISA = __PACKAGE__;
34
44
# Whether or not inc::Module::Install is actually loaded, the
35
45
# $INC{inc/Module/Install.pm} is what will still get set as long as
36
46
# the caller loaded module this in the documented manner.
65
78
Please correct this, then run $0 again.
86
# Build.PL was formerly supported, but no longer is due to excessive
87
# difficulty in implementing every single feature twice.
88
if ( $0 =~ /Build.PL$/i ) { die <<"END_DIE" }
90
Module::Install no longer supports Build.PL.
92
It was impossible to maintain duel backends, and has been deprecated.
94
Please remove all Build.PL files and only use the Makefile.PL installer.
102
# To save some more typing in Module::Install installers, every...
103
# use inc::Module::Install
104
# ...also acts as an implicit use strict.
105
$^H |= strict::bits(qw(refs subs vars));
71
112
use File::Find ();
72
113
use File::Path ();
75
*inc::Module::Install::VERSION = *VERSION;
76
@inc::Module::Install::ISA = __PACKAGE__;
80
my $who = $self->_caller;
82
my $sym = "${who}::AUTOLOAD";
85
if ( my $code = $sym->{$pwd} ) {
86
# delegate back to parent dirs
87
goto &$code unless $cwd eq $pwd;
89
$$sym =~ /([^:]+)$/ or die "Cannot autoload $who - $sym";
90
unshift @_, ($self, $1);
91
goto &{$self->can('call')} unless uc($1) eq $1;
118
my $who = $self->_caller;
119
my $cwd = Cwd::cwd();
120
my $sym = "${who}::AUTOLOAD";
122
my $pwd = Cwd::cwd();
123
if ( my $code = $sym->{$pwd} ) {
124
# delegate back to parent dirs
125
goto &$code unless $cwd eq $pwd;
127
$$sym =~ /([^:]+)$/ or die "Cannot autoload $who - $sym";
128
unless ( uc($1) eq $1 ) {
129
unshift @_, ( $self, $1 );
130
goto &{$self->can('call')};
97
my $self = $class->new(@_);
98
my $who = $self->_caller;
100
unless ( -f $self->{file} ) {
101
require "$self->{path}/$self->{dispatch}.pm";
102
File::Path::mkpath("$self->{prefix}/$self->{author}");
103
$self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self );
104
$self->{admin}->init;
105
@_ = ($class, _self => $self);
106
goto &{"$self->{name}::import"};
109
*{"${who}::AUTOLOAD"} = $self->autoload;
112
# Unregister loader and worker packages so subdirs can use them again
113
delete $INC{"$self->{file}"};
114
delete $INC{"$self->{path}.pm"};
137
my $self = $class->new(@_);
138
my $who = $self->_caller;
140
unless ( -f $self->{file} ) {
141
require "$self->{path}/$self->{dispatch}.pm";
142
File::Path::mkpath("$self->{prefix}/$self->{author}");
143
$self->{admin} = "$self->{name}::$self->{dispatch}"->new( _top => $self );
144
$self->{admin}->init;
145
@_ = ($class, _self => $self);
146
goto &{"$self->{name}::import"};
149
*{"${who}::AUTOLOAD"} = $self->autoload;
152
# Unregister loader and worker packages so subdirs can use them again
153
delete $INC{"$self->{file}"};
154
delete $INC{"$self->{path}.pm"};
120
unless ( $self->{extensions} ) {
121
$self->load_extensions(
122
"$self->{prefix}/$self->{path}", $self
126
my @exts = @{$self->{extensions}};
128
my $admin = $self->{admin};
129
@exts = $admin->load_all_extensions;
133
foreach my $obj ( @exts ) {
134
while (my ($method, $glob) = each %{ref($obj) . '::'}) {
135
next unless $obj->can($method);
136
next if $method =~ /^_/;
137
next if $method eq uc($method);
142
my $who = $self->_caller;
143
foreach my $name ( sort keys %seen ) {
144
*{"${who}::$name"} = sub {
145
${"${who}::AUTOLOAD"} = "${who}::$name";
146
goto &{"${who}::AUTOLOAD"};
161
unless ( $self->{extensions} ) {
162
$self->load_extensions(
163
"$self->{prefix}/$self->{path}", $self
167
my @exts = @{$self->{extensions}};
169
my $admin = $self->{admin};
170
@exts = $admin->load_all_extensions;
174
foreach my $obj ( @exts ) {
175
while (my ($method, $glob) = each %{ref($obj) . '::'}) {
176
next unless $obj->can($method);
177
next if $method =~ /^_/;
178
next if $method eq uc($method);
183
my $who = $self->_caller;
184
foreach my $name ( sort keys %seen ) {
185
*{"${who}::$name"} = sub {
186
${"${who}::AUTOLOAD"} = "${who}::$name";
187
goto &{"${who}::AUTOLOAD"};
152
my ($class, %args) = @_;
154
# ignore the prefix on extension modules built from top level.
155
my $base_path = Cwd::abs_path($FindBin::Bin);
156
unless ( Cwd::abs_path(Cwd::cwd()) eq $base_path ) {
157
delete $args{prefix};
160
return $args{_self} if $args{_self};
162
$args{dispatch} ||= 'Admin';
163
$args{prefix} ||= 'inc';
164
$args{author} ||= ($^O eq 'VMS' ? '_author' : '.author');
165
$args{bundle} ||= 'inc/BUNDLES';
166
$args{base} ||= $base_path;
167
$class =~ s/^\Q$args{prefix}\E:://;
168
$args{name} ||= $class;
169
$args{version} ||= $class->VERSION;
170
unless ( $args{path} ) {
171
$args{path} = $args{name};
172
$args{path} =~ s!::!/!g;
174
$args{file} ||= "$args{base}/$args{prefix}/$args{path}.pm";
176
bless( \%args, $class );
193
my ($class, %args) = @_;
195
# ignore the prefix on extension modules built from top level.
196
my $base_path = Cwd::abs_path($FindBin::Bin);
197
unless ( Cwd::abs_path(Cwd::cwd()) eq $base_path ) {
198
delete $args{prefix};
201
return $args{_self} if $args{_self};
203
$args{dispatch} ||= 'Admin';
204
$args{prefix} ||= 'inc';
205
$args{author} ||= ($^O eq 'VMS' ? '_author' : '.author');
206
$args{bundle} ||= 'inc/BUNDLES';
207
$args{base} ||= $base_path;
208
$class =~ s/^\Q$args{prefix}\E:://;
209
$args{name} ||= $class;
210
$args{version} ||= $class->VERSION;
211
unless ( $args{path} ) {
212
$args{path} = $args{name};
213
$args{path} =~ s!::!/!g;
215
$args{file} ||= "$args{base}/$args{prefix}/$args{path}.pm";
218
bless( \%args, $class );
187
my ($self, $method) = @_;
189
$self->load_extensions(
190
"$self->{prefix}/$self->{path}", $self
191
) unless $self->{extensions};
193
foreach my $obj (@{$self->{extensions}}) {
194
return $obj if $obj->can($method);
197
my $admin = $self->{admin} or die <<"END_DIE";
229
my ($self, $method) = @_;
231
$self->load_extensions(
232
"$self->{prefix}/$self->{path}", $self
233
) unless $self->{extensions};
235
foreach my $obj (@{$self->{extensions}}) {
236
return $obj if $obj->can($method);
239
my $admin = $self->{admin} or die <<"END_DIE";
198
240
The '$method' method does not exist in the '$self->{prefix}' path!
199
241
Please remove the '$self->{prefix}' directory and run $0 again to load it.
202
my $obj = $admin->load($method, 1);
203
push @{$self->{extensions}}, $obj;
244
my $obj = $admin->load($method, 1);
245
push @{$self->{extensions}}, $obj;
208
250
sub load_extensions {
209
my ($self, $path, $top) = @_;
211
unless ( grep { lc $_ eq lc $self->{prefix} } @INC ) {
212
unshift @INC, $self->{prefix};
215
foreach my $rv ( $self->find_extensions($path) ) {
216
my ($file, $pkg) = @{$rv};
217
next if $self->{pathnames}{$pkg};
220
my $new = eval { require $file; $pkg->can('new') };
225
$self->{pathnames}{$pkg} = delete $INC{$file};
226
push @{$self->{extensions}}, &{$new}($pkg, _top => $top );
229
$self->{extensions} ||= [];
251
my ($self, $path, $top) = @_;
253
unless ( grep { lc $_ eq lc $self->{prefix} } @INC ) {
254
unshift @INC, $self->{prefix};
257
foreach my $rv ( $self->find_extensions($path) ) {
258
my ($file, $pkg) = @{$rv};
259
next if $self->{pathnames}{$pkg};
262
my $new = eval { require $file; $pkg->can('new') };
267
$self->{pathnames}{$pkg} = delete $INC{$file};
268
push @{$self->{extensions}}, &{$new}($pkg, _top => $top );
271
$self->{extensions} ||= [];
232
274
sub find_extensions {
233
my ($self, $path) = @_;
236
File::Find::find( sub {
237
my $file = $File::Find::name;
238
return unless $file =~ m!^\Q$path\E/(.+)\.pm\Z!is;
240
return if lc($subpath) eq lc($self->{dispatch});
242
$file = "$self->{path}/$subpath.pm";
243
my $pkg = "$self->{name}::$subpath";
246
# If we have a mixed-case package name, assume case has been preserved
247
# correctly. Otherwise, root through the file to locate the case-preserved
248
# version of the package name.
249
if ( $subpath eq lc($subpath) || $subpath eq uc($subpath) ) {
250
open PKGFILE, "<$subpath.pm" or die "find_extensions: Can't open $subpath.pm: $!";
252
while ( <PKGFILE> ) {
253
$in_pod = 1 if /^=\w/;
254
$in_pod = 0 if /^=cut/;
255
next if ($in_pod || /^=cut/); # skip pod text
256
next if /^\s*#/; # and comments
257
if ( m/^\s*package\s+($pkg)\s*;/i ) {
265
push @found, [ $file, $pkg ];
266
}, $path ) if -d $path;
275
my ($self, $path) = @_;
278
File::Find::find( sub {
279
my $file = $File::Find::name;
280
return unless $file =~ m!^\Q$path\E/(.+)\.pm\Z!is;
282
return if lc($subpath) eq lc($self->{dispatch});
284
$file = "$self->{path}/$subpath.pm";
285
my $pkg = "$self->{name}::$subpath";
288
# If we have a mixed-case package name, assume case has been preserved
289
# correctly. Otherwise, root through the file to locate the case-preserved
290
# version of the package name.
291
if ( $subpath eq lc($subpath) || $subpath eq uc($subpath) ) {
292
my $content = Module::Install::_read($subpath . '.pm');
294
foreach ( split //, $content ) {
295
$in_pod = 1 if /^=\w/;
296
$in_pod = 0 if /^=cut/;
297
next if ($in_pod || /^=cut/); # skip pod text
298
next if /^\s*#/; # and comments
299
if ( m/^\s*package\s+($pkg)\s*;/i ) {
306
push @found, [ $file, $pkg ];
307
}, $path ) if -d $path;
316
#####################################################################
273
my $call = caller($depth);
274
while ( $call eq __PACKAGE__ ) {
276
$call = caller($depth);
321
my $call = caller($depth);
322
while ( $call eq __PACKAGE__ ) {
324
$call = caller($depth);
331
open FH, "< $_[0]" or die "open($_[0]): $!";
332
my $str = do { local $/; <FH> };
333
close FH or die "close($_[0]): $!";
339
open FH, "> $_[0]" or die "open($_[0]): $!";
340
foreach ( 1 .. $#_ ) { print FH $_[$_] or die "print($_[0]): $!" }
341
close FH or die "close($_[0]): $!";
344
# _version is for processing module versions (eg, 1.03_05) not
345
# Perl versions (eg, 5.8.1).
351
my @v = map { $_ . '0' x (3 - length $_) } $s =~ /(\d{1,3})\D?/g;
352
$l = $l . '.' . join '', @v if @v;
356
# Cloned from Params::Util::_CLASS
363
$_[0] =~ m/^[^\W\d]\w*(?:::\w+)*$/s
369
# Copyright 2008 Adam Kennedy.