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local/lib/perl5/Module/Build/Platform/Windows.pm  view on Meta::CPAN

package Module::Build::Platform::Windows;

use strict;
use warnings;
our $VERSION = '0.4220';
$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);
      }
    }
  }
}

# This routine was copied almost verbatim from the 'pl2bat' utility
# distributed with perl. It requires too much voodoo with shell quoting
# differences and shortcomings between the various flavors of Windows
# to reliably shell out
sub pl2bat {
  my $self = shift;
  my %opts = @_;

  # NOTE: %0 is already enclosed in doublequotes by cmd.exe, as appropriate
  $opts{ntargs}    = '-x -S %0 %*' unless exists $opts{ntargs};
  $opts{otherargs} = '-x -S "%0" %1 %2 %3 %4 %5 %6 %7 %8 %9' unless exists $opts{otherargs};

  $opts{stripsuffix} = '/\\.plx?/' unless exists $opts{stripsuffix};
  $opts{stripsuffix} = ($opts{stripsuffix} =~ m{^/([^/]*[^/\$]|)\$?/?$} ? $1 : "\Q$opts{stripsuffix}\E");

  unless (exists $opts{out}) {
    $opts{out} = $opts{in};
    $opts{out} =~ s/$opts{stripsuffix}$//oi;
    $opts{out} .= '.bat' unless $opts{in} =~ /\.bat$/i or $opts{in} =~ /^-$/;
  }

  my $head = <<EOT;
    \@rem = '--*-Perl-*--
    \@echo off
    if "%OS%" == "Windows_NT" goto WinNT
    perl $opts{otherargs}
    goto endofperl
    :WinNT
    perl $opts{ntargs}
    if NOT "%COMSPEC%" == "%SystemRoot%\\system32\\cmd.exe" goto endofperl
    if %errorlevel% == 9009 echo You do not have Perl in your PATH.
    if errorlevel 1 goto script_failed_so_exit_with_non_zero_val 2>nul
    goto endofperl
    \@rem ';
EOT

  $head =~ s/^\s+//gm;
  my $headlines = 2 + ($head =~ tr/\n/\n/);
  my $tail = "\n__END__\n:endofperl\n";

  my $linedone  = 0;
  my $taildone  = 0;
  my $linenum   = 0;
  my $skiplines = 0;

  my $start = $Config{startperl};
  $start = "#!perl" unless $start =~ /^#!.*perl/;

  open(my $in, '<', "$opts{in}") or die "Can't open $opts{in}: $!";
  my @file = <$in>;
  close($in);

  foreach my $line ( @file ) {