package Module::Build::Platform::Windows;
use strict;
use warnings;
our $VERSION = '0.4231';
$VERSION = eval $VERSION;
use Config;
use File::Basename;
use File::Spec;
use Module::Build::Base;
our @ISA = qw(Module::Build::Base);
sub manpage_separator {
return '.';
}
sub have_forkpipe { 0 }
sub _detildefy {
my ($self, $value) = @_;
$value =~ s,^~(?= [/\\] | $ ),$ENV{HOME},x
if $ENV{HOME};
return $value;
}
sub ACTION_realclean {
my ($self) = @_;
$self->SUPER::ACTION_realclean();
my $basename = basename($0);
$basename =~ s/(?:\.bat)?$//i;
if ( lc $basename eq lc $self->build_script ) {
if ( $self->build_bat ) {
$self->log_verbose("Deleting $basename.bat\n");
my $full_progname = $0;
$full_progname =~ s/(?:\.bat)?$/.bat/i;
# Voodoo required to have a batch file delete itself without error;
# Syntax differs between 9x & NT: the later requires a null arg (???)
require Win32;
my $null_arg = (Win32::IsWinNT()) ? '""' : '';
my $cmd = qq(start $null_arg /min "\%comspec\%" /c del "$full_progname");
open(my $fh, '>>', "$basename.bat")
or die "Can't create $basename.bat: $!";
print $fh $cmd;
close $fh ;
} else {
$self->delete_filetree($self->build_script . '.bat');
}
}
}
sub make_executable {
my $self = shift;
$self->SUPER::make_executable(@_);
foreach my $script (@_) {
# Native batch script
if ( $script =~ /\.(bat|cmd)$/ ) {
$self->SUPER::make_executable($script);
next;
# Perl script that needs to be wrapped in a batch script
} else {
my %opts = ();
if ( $script eq $self->build_script ) {
$opts{ntargs} = q(-x -S %0 --build_bat %*);
$opts{otherargs} = q(-x -S "%0" --build_bat %1 %2 %3 %4 %5 %6 %7 %8 %9);
}
my $out = eval {$self->pl2bat(in => $script, update => 1, %opts)};
if ( $@ ) {
$self->log_warn("WARNING: Unable to convert file '$script' to an executable script:\n$@");
} else {
$self->SUPER::make_executable($out);
}
}
}
}
sub pl2bat {
my $self = shift;
my %opts = @_;
require ExtUtils::PL2Bat;
return ExtUtils::PL2Bat::pl2bat(%opts);
}
sub _quote_args {
# Returns a string that can become [part of] a command line with
# proper quoting so that the subprocess sees this same list of args.
my ($self, @args) = @_;
my @quoted;
for (@args) {
if ( /^[^\s*?!\$<>;|'"\[\]\{\}]+$/ ) {
# Looks pretty safe
push @quoted, $_;
} else {
# XXX this will obviously have to improve - is there already a
# core module lying around that does proper quoting?
s/"/\\"/g;
push @quoted, qq("$_");
}
}
return join " ", @quoted;
}
sub split_like_shell {
# As it turns out, Windows command-parsing is very different from
# Unix command-parsing. Double-quotes mean different things,
# backslashes don't necessarily mean escapes, and so on. So we
# can't use Text::ParseWords::shellwords() to break a command string
# into words. The algorithm below was bashed out by Randy and Ken
# (mostly Randy), and there are a lot of regression tests, so we
# should feel free to adjust if desired.
(my $self, local $_) = @_;
return @$_ if defined() && ref() eq 'ARRAY';
my @argv;
return @argv unless defined() && length();
my $length = length;
m/\G\s*/gc;
ARGS: until ( pos == $length ) {
my $quote_mode;
my $arg = '';
CHARS: until ( pos == $length ) {
if ( m/\G((?:\\\\)+)(?=\\?(")?)/gc ) {
if (defined $2) {
$arg .= '\\' x (length($1) / 2);
}
else {
$arg .= $1;
}
}
elsif ( m/\G\\"/gc ) {
$arg .= '"';
}
elsif ( m/\G"/gc ) {
if ( $quote_mode && m/\G"/gc ) {
$arg .= '"';
}
$quote_mode = !$quote_mode;
}
elsif ( !$quote_mode && m/\G\s+/gc ) {
last;
}
elsif ( m/\G(.)/sgc ) {
$arg .= $1;
}
}
push @argv, $arg;
}
return @argv;
}
# system(@cmd) does not like having double-quotes in it on Windows.
# So we quote them and run it as a single command.
sub do_system {
my ($self, @cmd) = @_;
my $cmd = $self->_quote_args(@cmd);
my $status = system($cmd);
if ($status and $! =~ /Argument list too long/i) {
my $env_entries = '';
foreach (sort keys %ENV) { $env_entries .= "$_=>".length($ENV{$_})."; " }
warn "'Argument list' was 'too long', env lengths are $env_entries";
}
return !$status;
}
# Copied from ExtUtils::MM_Win32
sub _maybe_command {
my($self,$file) = @_;
my @e = exists($ENV{'PATHEXT'})
? split(/;/, $ENV{PATHEXT})
: qw(.com .exe .bat .cmd);
my $e = '';
for (@e) { $e .= "\Q$_\E|" }
chop $e;
# see if file ends in one of the known extensions
if ($file =~ /($e)$/i) {
return $file if -e $file;
}
else {
for (@e) {
return "$file$_" if -e "$file$_";
}
}
return;
}
1;
__END__
=head1 NAME
Module::Build::Platform::Windows - Builder class for Windows platforms
=head1 DESCRIPTION
The sole purpose of this module is to inherit from
C<Module::Build::Base> and override a few methods. Please see
L<Module::Build> for the docs.
=head1 AUTHOR
Ken Williams <kwilliams@cpan.org>, Randy W. Sims <RandyS@ThePierianSpring.org>
=head1 SEE ALSO
perl(1), Module::Build(3)
=cut
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