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Diffstat (limited to 'gnu/usr.bin/perl/lib/File/Spec/VMS.pm')
-rw-r--r-- | gnu/usr.bin/perl/lib/File/Spec/VMS.pm | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/lib/File/Spec/VMS.pm b/gnu/usr.bin/perl/lib/File/Spec/VMS.pm new file mode 100644 index 00000000000..c5269fd10c7 --- /dev/null +++ b/gnu/usr.bin/perl/lib/File/Spec/VMS.pm @@ -0,0 +1,148 @@ + +package File::Spec::VMS; + +use Carp qw( &carp ); +use Config; +require Exporter; +use VMS::Filespec; +use File::Basename; + +use File::Spec; +use vars qw($Revision); +$Revision = '5.3901 (6-Mar-1997)'; + +@ISA = qw(File::Spec::Unix); + +Exporter::import('File::Spec', '$Verbose'); + +=head1 NAME + +File::Spec::VMS - methods for VMS file specs + +=head1 SYNOPSIS + + use File::Spec::VMS; # Done internally by File::Spec if needed + +=head1 DESCRIPTION + +See File::Spec::Unix for a documentation of the methods provided +there. This package overrides the implementation of these methods, not +the semantics. + +=head2 Methods always loaded + +=over + +=item catdir + +Concatenates a list of file specifications, and returns the result as a +VMS-syntax directory specification. + +=cut + +sub catdir { + my($self,@dirs) = @_; + my($dir) = pop @dirs; + @dirs = grep($_,@dirs); + my($rslt); + if (@dirs) { + my($path) = (@dirs == 1 ? $dirs[0] : $self->catdir(@dirs)); + my($spath,$sdir) = ($path,$dir); + $spath =~ s/.dir$//; $sdir =~ s/.dir$//; + $sdir = $self->eliminate_macros($sdir) unless $sdir =~ /^[\w\-]+$/; + $rslt = $self->fixpath($self->eliminate_macros($spath)."/$sdir",1); + } + else { + if ($dir =~ /^\$\([^\)]+\)$/) { $rslt = $dir; } + else { $rslt = vmspath($dir); } + } + print "catdir(",join(',',@_[1..$#_]),") = |$rslt|\n" if $Verbose >= 3; + $rslt; +} + +=item catfile + +Concatenates a list of file specifications, and returns the result as a +VMS-syntax directory specification. + +=cut + +sub catfile { + my($self,@files) = @_; + my($file) = pop @files; + @files = grep($_,@files); + my($rslt); + if (@files) { + my($path) = (@files == 1 ? $files[0] : $self->catdir(@files)); + my($spath) = $path; + $spath =~ s/.dir$//; + if ( $spath =~ /^[^\)\]\/:>]+\)$/ && basename($file) eq $file) { $rslt = "$spath$file"; } + else { + $rslt = $self->eliminate_macros($spath); + $rslt = vmsify($rslt.($rslt ? '/' : '').unixify($file)); + } + } + else { $rslt = vmsify($file); } + print "catfile(",join(',',@_[1..$#_]),") = |$rslt|\n" if $Verbose >= 3; + $rslt; +} + +=item curdir (override) + +Returns a string representing of the current directory. + +=cut + +sub curdir { + return '[]'; +} + +=item rootdir (override) + +Returns a string representing of the root directory. + +=cut + +sub rootdir { + return ''; +} + +=item updir (override) + +Returns a string representing of the parent directory. + +=cut + +sub updir { + return '[-]'; +} + +=item path (override) + +Translate logical name DCL$PATH as a searchlist, rather than trying +to C<split> string value of C<$ENV{'PATH'}>. + +=cut + +sub path { + my(@dirs,$dir,$i); + while ($dir = $ENV{'DCL$PATH;' . $i++}) { push(@dirs,$dir); } + @dirs; +} + +=item file_name_is_absolute (override) + +Checks for VMS directory spec as well as Unix separators. + +=cut + +sub file_name_is_absolute { + my($self,$file) = @_; + # If it's a logical name, expand it. + $file = $ENV{$file} while $file =~ /^[\w\$\-]+$/ and $ENV{$file}; + $file =~ m!^/! or $file =~ m![<\[][^.\-\]>]! or $file =~ /:[^<\[]/; +} + +1; +__END__ + |