--- /dev/null
+package File::Spec::VMS;
+
+use strict;
+use vars qw(@ISA $VERSION);
+require File::Spec::Unix;
+
+$VERSION = '3.30';
+$VERSION = eval $VERSION;
+
+@ISA = qw(File::Spec::Unix);
+
+use File::Basename;
+use VMS::Filespec;
+
+=head1 NAME
+
+File::Spec::VMS - methods for VMS file specs
+
+=head1 SYNOPSIS
+
+ require File::Spec::VMS; # Done internally by File::Spec if needed
+
+=head1 DESCRIPTION
+
+See File::Spec::Unix for a documentation of the methods provided
+there. This package overrides the implementation of these methods, not
+the semantics.
+
+The mode of operation of these routines depend on the VMS features that
+are controlled by the DECC features C<DECC$FILENAME_REPORT_UNIX> and
+C<DECC$EFS_CHARSET>.
+
+Perl needs to be at least at 5.10 for these feature settings to work.
+Use of them on older perl versions on VMS will result in unpredictable
+operations.
+
+The default and traditional mode of these routines have been to expect VMS
+syntax on input and to return VMS syntax on output, even when Unix syntax was
+given on input.
+
+The default and traditional mode is also incompatible with the VMS
+C<EFS>, Extended File system character set, and with running Perl scripts
+under <GNV>, Gnu is not VMS, an optional Unix like runtime environment on VMS.
+
+If the C<DECC$EFS_CHARSET> feature is enabled, These routines will now accept
+either VMS or UNIX syntax. If the input parameters are clearly VMS syntax,
+the return value will be in VMS syntax. If the input parameters are clearly
+in Unix syntax, the output will be in Unix syntax.
+
+This corresponds to the way that the VMS C library routines have always
+handled filenames, and what a programmer who has not specifically read this
+pod before would also expect.
+
+If the C<DECC$FILENAME_REPORT_UNIX> feature is enabled, then if the output
+syntax can not be determined from the input syntax, the output syntax will be
+UNIX. If the feature is not enabled, VMS output will be the default.
+
+=over 4
+
+=cut
+
+# Need to look up the feature settings. The preferred way is to use the
+# VMS::Feature module, but that may not be available to dual life modules.
+
+my $use_feature;
+BEGIN {
+ if (eval { local $SIG{__DIE__}; require VMS::Feature; }) {
+ $use_feature = 1;
+ }
+}
+
+# Need to look up the UNIX report mode. This may become a dynamic mode
+# in the future.
+sub _unix_rpt {
+ my $unix_rpt;
+ if ($use_feature) {
+ $unix_rpt = VMS::Feature::current("filename_unix_report");
+ } else {
+ my $env_unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
+ $unix_rpt = $env_unix_rpt =~ /^[ET1]/i;
+ }
+ return $unix_rpt;
+}
+
+# Need to look up the EFS character set mode. This may become a dynamic
+# mode in the future.
+sub _efs {
+ my $efs;
+ if ($use_feature) {
+ $efs = VMS::Feature::current("efs_charset");
+ } else {
+ my $env_efs = $ENV{'DECC$EFS_CHARSET'} || '';
+ $efs = $env_efs =~ /^[ET1]/i;
+ }
+ return $efs;
+}
+
+=item canonpath (override)
+
+Removes redundant portions of file specifications according to the syntax
+detected.
+
+=cut
+
+
+sub canonpath {
+ my($self,$path) = @_;
+
+ return undef unless defined $path;
+
+ my $efs = $self->_efs;
+
+ if ($path =~ m|/|) { # Fake Unix
+ my $pathify = $path =~ m|/\Z(?!\n)|;
+ $path = $self->SUPER::canonpath($path);
+
+ # Do not convert to VMS when EFS character sets are in use
+ return $path if $efs;
+
+ if ($pathify) { return vmspath($path); }
+ else { return vmsify($path); }
+ }
+ else {
+
+#FIXME - efs parsing has different rules. Characters in a VMS filespec
+# are only delimiters if not preceded by '^';
+
+ $path =~ tr/<>/[]/; # < and > ==> [ and ]
+ $path =~ s/\]\[\./\.\]\[/g; # ][. ==> .][
+ $path =~ s/\[000000\.\]\[/\[/g; # [000000.][ ==> [
+ $path =~ s/\[000000\./\[/g; # [000000. ==> [
+ $path =~ s/\.\]\[000000\]/\]/g; # .][000000] ==> ]
+ $path =~ s/\.\]\[/\./g; # foo.][bar ==> foo.bar
+ 1 while ($path =~ s/([\[\.])(-+)\.(-+)([\.\]])/$1$2$3$4/);
+ # That loop does the following
+ # with any amount of dashes:
+ # .-.-. ==> .--.
+ # [-.-. ==> [--.
+ # .-.-] ==> .--]
+ # [-.-] ==> [--]
+ 1 while ($path =~ s/([\[\.])[^\]\.]+\.-(-+)([\]\.])/$1$2$3/);
+ # That loop does the following
+ # with any amount (minimum 2)
+ # of dashes:
+ # .foo.--. ==> .-.
+ # .foo.--] ==> .-]
+ # [foo.--. ==> [-.
+ # [foo.--] ==> [-]
+ #
+ # And then, the remaining cases
+ $path =~ s/\[\.-/[-/; # [.- ==> [-
+ $path =~ s/\.[^\]\.]+\.-\./\./g; # .foo.-. ==> .
+ $path =~ s/\[[^\]\.]+\.-\./\[/g; # [foo.-. ==> [
+ $path =~ s/\.[^\]\.]+\.-\]/\]/g; # .foo.-] ==> ]
+ $path =~ s/\[[^\]\.]+\.-\]/\[000000\]/g;# [foo.-] ==> [000000]
+ $path =~ s/\[\]// unless $path eq '[]'; # [] ==>
+ return $path;
+ }
+}
+
+=item catdir (override)
+
+Concatenates a list of file specifications, and returns the result as a
+directory specification. No check is made for "impossible"
+cases (e.g. elements other than the first being absolute filespecs).
+
+=cut
+
+sub catdir {
+ my $self = shift;
+ my $dir = pop;
+
+ my $efs = $self->_efs;
+ my $unix_rpt = $self->_unix_rpt;
+
+
+ my @dirs = grep {defined() && length()} @_;
+ if ($efs) {
+ # Legacy mode removes blank entries.
+ # But that breaks existing generic perl code that
+ # uses a blank path at the beginning of the array
+ # to indicate an absolute path.
+ # So put it back if found.
+ if (@_) {
+ if ($_[0] eq '') {
+ unshift @dirs, '';
+ }
+ }
+ }
+
+ my $rslt;
+ if (@dirs) {
+ my $path = (@dirs == 1 ? $dirs[0] : $self->catdir(@dirs));
+ my ($spath,$sdir) = ($path,$dir);
+
+ if ($efs) {
+ # Extended character set in use, go into DWIM mode.
+
+ # Now we need to identify what the directory is in
+ # of the specification in order to merge them.
+ my $path_unix = 0;
+ $path_unix = 1 if ($path =~ m#/#);
+ $path_unix = 1 if ($path =~ /^\.\.?$/);
+ my $path_vms = 0;
+ $path_vms = 1 if ($path =~ m#[\[<\]]#);
+ $path_vms = 1 if ($path =~ /^--?$/);
+ my $dir_unix = 0;
+ $dir_unix = 1 if ($dir =~ m#/#);
+ $dir_unix = 1 if ($dir =~ /^\.\.?$/);
+ my $dir_vms = 0;
+ $dir_vms = 1 if ($dir =~ m#[\[<\]]#);
+ $dir_vms = 1 if ($dir =~ /^--?$/);
+
+ my $unix_mode = 0;
+ if (($path_unix != $dir_unix) && ($path_vms != $dir_vms)) {
+ # Ambiguous, so if in $unix_rpt mode then assume UNIX.
+ $unix_mode = 1 if $unix_rpt;
+ } else {
+ $unix_mode = 1 if (!$path_vms && !$dir_vms && $unix_rpt);
+ $unix_mode = 1 if ($path_unix || $dir_unix);
+ }
+
+ if ($unix_mode) {
+
+ # Fix up mixed syntax imput as good as possible - GIGO
+ $path = unixify($path) if $path_vms;
+ $dir = unixify($dir) if $dir_vms;
+
+ $rslt = $path;
+ # Append a path delimiter
+ $rslt .= '/' unless ($rslt =~ m#/$#);
+
+ $rslt .= $dir;
+ return $self->SUPER::canonpath($rslt);
+ } else {
+
+ #with <> posible instead of [.
+ # Normalize the brackets
+ # Fixme - need to not switch when preceded by ^.
+ $path =~ s/</\[/g;
+ $path =~ s/>/\]/g;
+ $dir =~ s/</\[/g;
+ $dir =~ s/>/\]/g;
+
+ # Fix up mixed syntax imput as good as possible - GIGO
+ $path = vmsify($path) if $path_unix;
+ $dir = vmsify($dir) if $dir_unix;
+
+ #Possible path values: foo: [.foo] [foo] foo, and $(foo)
+ #or starting with '-', or foo.dir
+ #If path is foo, it needs to be converted to [.foo]
+
+ # Fix up a bare path name.
+ unless ($path_vms) {
+ $path =~ s/\.dir\Z(?!\n)//i;
+ if (($path ne '') && ($path !~ /^-/)) {
+ # Non blank and not prefixed with '-', add a dot
+ $path = '[.' . $path;
+ } else {
+ # Just start a directory.
+ $path = '[' . $path;
+ }
+ } else {
+ $path =~ s/\]$//;
+ }
+
+ #Possible dir values: [.dir] dir and $(foo)
+
+ # No punctuation may have a trailing .dir
+ unless ($dir_vms) {
+ $dir =~ s/\.dir\Z(?!\n)//i;
+ } else {
+
+ #strip off the brackets
+ $dir =~ s/^\[//;
+ $dir =~ s/\]$//;
+ }
+
+ #strip off the leading dot if present.
+ $dir =~ s/^\.//;
+
+ # Now put the specifications together.
+ if ($dir ne '') {
+ # Add a separator unless this is an absolute path
+ $path .= '.' if ($path ne '[');
+ $rslt = $path . $dir . ']';
+ } else {
+ $rslt = $path . ']';
+ }
+ }
+
+ } else {
+ # Traditional ODS-2 mode.
+ $spath =~ s/\.dir\Z(?!\n)//i; $sdir =~ s/\.dir\Z(?!\n)//i;
+
+ $sdir = $self->eliminate_macros($sdir)
+ unless $sdir =~ /^[\w\-]+\Z(?!\n)/s;
+ $rslt = $self->fixpath($self->eliminate_macros($spath)."/$sdir",1);
+
+ # Special case for VMS absolute directory specs: these will have
+ # had device prepended during trip through Unix syntax in
+ # eliminate_macros(), since Unix syntax has no way to express
+ # "absolute from the top of this device's directory tree".
+ if ($spath =~ /^[\[<][^.\-]/s) { $rslt =~ s/^[^\[<]+//s; }
+ }
+ } else {
+ # Single directory, just make sure it is in directory format
+ # Return an empty string on null input, and pass through macros.
+
+ if (not defined $dir or not length $dir) { $rslt = ''; }
+ elsif ($dir =~ /^\$\([^\)]+\)\Z(?!\n)/s) {
+ $rslt = $dir;
+ } else {
+ my $unix_mode = 0;
+
+ if ($efs) {
+ my $dir_unix = 0;
+ $dir_unix = 1 if ($dir =~ m#/#);
+ $dir_unix = 1 if ($dir =~ /^\.\.?$/);
+ my $dir_vms = 0;
+ $dir_vms = 1 if ($dir =~ m#[\[<\]]#);
+ $dir_vms = 1 if ($dir =~ /^--?$/);
+
+ if ($dir_vms == $dir_unix) {
+ # Ambiguous, so if in $unix_rpt mode then assume UNIX.
+ $unix_mode = 1 if $unix_rpt;
+ } else {
+ $unix_mode = 1 if $dir_unix;
+ }
+ }
+
+ if ($unix_mode) {
+ return $dir;
+ } else {
+ # For VMS, force it to be in directory format
+ $rslt = vmspath($dir);
+ }
+ }
+ }
+ return $self->canonpath($rslt);
+}
+
+=item catfile (override)
+
+Concatenates a list of directory specifications with a filename specification
+to build a path.
+
+=cut
+
+sub catfile {
+ my $self = shift;
+ my $tfile = pop();
+ my $file = $self->canonpath($tfile);
+ my @files = grep {defined() && length()} @_;
+
+ my $efs = $self->_efs;
+ my $unix_rpt = $self->_unix_rpt;
+
+ # Assume VMS mode
+ my $unix_mode = 0;
+ my $file_unix = 0;
+ my $file_vms = 0;
+ if ($efs) {
+
+ # Now we need to identify format the file is in
+ # of the specification in order to merge them.
+ $file_unix = 1 if ($tfile =~ m#/#);
+ $file_unix = 1 if ($tfile =~ /^\.\.?$/);
+ $file_vms = 1 if ($tfile =~ m#[\[<\]]#);
+ $file_vms = 1 if ($tfile =~ /^--?$/);
+
+ # We may know for sure what the format is.
+ if (($file_unix != $file_vms)) {
+ $unix_mode = 1 if ($file_unix && $unix_rpt);
+ }
+ }
+
+ my $rslt;
+ if (@files) {
+ # concatenate the directories.
+ my $path;
+ if (@files == 1) {
+ $path = $files[0];
+ } else {
+ if ($file_vms) {
+ # We need to make sure this is in VMS mode to avoid doing
+ # both a vmsify and unixfy on the same path, as that may
+ # lose significant data.
+ my $i = @files - 1;
+ my $tdir = $files[$i];
+ my $tdir_vms = 0;
+ my $tdir_unix = 0;
+ $tdir_vms = 1 if ($tdir =~ m#[\[<\]]#);
+ $tdir_unix = 1 if ($tdir =~ m#/#);
+ $tdir_unix = 1 if ($tdir =~ /^\.\.?$/);
+
+ if (!$tdir_vms) {
+ if ($tdir_unix) {
+ $tdir = vmspath($tdir);
+ } else {
+ $tdir =~ s/\.dir\Z(?!\n)//i;
+ $tdir = '[.' . $tdir . ']';
+ }
+ $files[$i] = $tdir;
+ }
+ }
+ $path = $self->catdir(@files);
+ }
+ my $spath = $path;
+
+ # Some thing building a VMS path in pieces may try to pass a
+ # directory name in filename format, so normalize it.
+ $spath =~ s/\.dir\Z(?!\n)//i;
+
+ # if the spath ends with a directory delimiter and the file is bare,
+ # then just concat them.
+ # FIX-ME: In VMS format "[]<>:" are not delimiters if preceded by '^'
+ # Quite a bit of Perl does not know that yet.
+ if ($spath =~ /^[^\)\]\/:>]+\)\Z(?!\n)/s && basename($file) eq $file) {
+ $rslt = "$spath$file";
+ } else {
+ if ($efs) {
+
+ # Now we need to identify what the directory is in
+ # of the specification in order to merge them.
+ my $spath_unix = 0;
+ $spath_unix = 1 if ($spath =~ m#/#);
+ $spath_unix = 1 if ($spath =~ /^\.\.?$/);
+ my $spath_vms = 0;
+ $spath_vms = 1 if ($spath =~ m#[\[<\]]#);
+ $spath_vms = 1 if ($spath =~ /^--?$/);
+
+ # Assume VMS mode
+ if (($spath_unix == $spath_vms) &&
+ ($file_unix == $file_vms)) {
+ # Ambigous, so if in $unix_rpt mode then assume UNIX.
+ $unix_mode = 1 if $unix_rpt;
+ } else {
+ $unix_mode = 1
+ if (($spath_unix || $file_unix) && $unix_rpt);
+ }
+
+ if (!$unix_mode) {
+ if ($spath_vms) {
+ $spath = '[' . $spath . ']' if $spath =~ /^-/;
+ $rslt = vmspath($spath);
+ } else {
+ $rslt = '[.' . $spath . ']';
+ }
+ $file = vmsify($file) if ($file_unix);
+ } else {
+ $spath = unixify($spath) if ($spath_vms);
+ $rslt = $spath;
+ $file = unixify($file) if ($file_vms);
+
+ # Unix merge may need a directory delimitor.
+ # A null path indicates root on Unix.
+ $rslt .= '/' unless ($rslt =~ m#/$#);
+ }
+
+ $rslt .= $file;
+ $rslt =~ s/\]\[//;
+
+ } else {
+ # Traditional VMS Perl mode expects that this is done.
+ # Note for future maintainers:
+ # This is left here for compatibility with perl scripts
+ # that have come to expect this behavior, even though
+ # usually the Perl scripts ported to VMS have to be
+ # patched because of it changing Unix syntax file
+ # to VMS format.
+
+ $rslt = $self->eliminate_macros($spath);
+
+
+ $rslt = vmsify($rslt.((defined $rslt) &&
+ ($rslt ne '') ? '/' : '').unixify($file));
+ }
+ }
+ }
+ else {
+ # Only passed a single file?
+ my $xfile = $file;
+
+ # Traditional VMS perl expects this conversion.
+ $xfile = vmsify($file) unless ($efs);
+
+ $rslt = (defined($file) && length($file)) ? $xfile : '';
+ }
+ return $self->canonpath($rslt) unless $unix_rpt;
+
+ # In Unix report mode, do not strip off redundent path information.
+ return $rslt;
+}
+
+
+=item curdir (override)
+
+Returns a string representation of the current directory: '[]' or '.'
+
+=cut
+
+sub curdir {
+ my $self = shift @_;
+ return '.' if ($self->_unix_rpt);
+ return '[]';
+}
+
+=item devnull (override)
+
+Returns a string representation of the null device: '_NLA0:' or '/dev/null'
+
+=cut
+
+sub devnull {
+ my $self = shift @_;
+ return '/dev/null' if ($self->_unix_rpt);
+ return "_NLA0:";
+}
+
+=item rootdir (override)
+
+Returns a string representation of the root directory: 'SYS$DISK:[000000]'
+or '/'
+
+=cut
+
+sub rootdir {
+ my $self = shift @_;
+ if ($self->_unix_rpt) {
+ # Root may exist, try it first.
+ my $try = '/';
+ my ($dev1, $ino1) = stat('/');
+ my ($dev2, $ino2) = stat('.');
+
+ # Perl falls back to '.' if it can not determine '/'
+ if (($dev1 != $dev2) || ($ino1 != $ino2)) {
+ return $try;
+ }
+ # Fall back to UNIX format sys$disk.
+ return '/sys$disk/';
+ }
+ return 'SYS$DISK:[000000]';
+}
+
+=item tmpdir (override)
+
+Returns a string representation of the first writable directory
+from the following list or '' if none are writable:
+
+ /tmp if C<DECC$FILENAME_REPORT_UNIX> is enabled.
+ sys$scratch:
+ $ENV{TMPDIR}
+
+Since perl 5.8.0, if running under taint mode, and if $ENV{TMPDIR}
+is tainted, it is not used.
+
+=cut
+
+my $tmpdir;
+sub tmpdir {
+ my $self = shift @_;
+ return $tmpdir if defined $tmpdir;
+ if ($self->_unix_rpt) {
+ $tmpdir = $self->_tmpdir('/tmp', '/sys$scratch', $ENV{TMPDIR});
+ return $tmpdir;
+ }
+
+ $tmpdir = $self->_tmpdir( 'sys$scratch:', $ENV{TMPDIR} );
+}
+
+=item updir (override)
+
+Returns a string representation of the parent directory: '[-]' or '..'
+
+=cut
+
+sub updir {
+ my $self = shift @_;
+ return '..' if ($self->_unix_rpt);
+ return '[-]';
+}
+
+=item case_tolerant (override)
+
+VMS file specification syntax is case-tolerant.
+
+=cut
+
+sub case_tolerant {
+ return 1;
+}
+
+=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); }
+ return @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\$\-]+\Z(?!\n)/s && $ENV{$file};
+ return scalar($file =~ m!^/!s ||
+ $file =~ m![<\[][^.\-\]>]! ||
+ $file =~ /:[^<\[]/);
+}
+
+=item splitpath (override)
+
+ ($volume,$directories,$file) = File::Spec->splitpath( $path );
+ ($volume,$directories,$file) = File::Spec->splitpath( $path, $no_file );
+
+Passing a true value for C<$no_file> indicates that the path being
+split only contains directory components, even on systems where you
+can usually (when not supporting a foreign syntax) tell the difference
+between directories and files at a glance.
+
+=cut
+
+sub splitpath {
+ my($self,$path, $nofile) = @_;
+ my($dev,$dir,$file) = ('','','');
+ my $efs = $self->_efs;
+ my $vmsify_path = vmsify($path);
+ if ($efs) {
+ my $path_vms = 0;
+ $path_vms = 1 if ($path =~ m#[\[<\]]#);
+ $path_vms = 1 if ($path =~ /^--?$/);
+ if (!$path_vms) {
+ return $self->SUPER::splitpath($path, $nofile);
+ }
+ $vmsify_path = $path;
+ }
+
+ if ( $nofile ) {
+ #vmsify('d1/d2/d3') returns '[.d1.d2]d3'
+ #vmsify('/d1/d2/d3') returns 'd1:[d2]d3'
+ if( $vmsify_path =~ /(.*)\](.+)/ ){
+ $vmsify_path = $1.'.'.$2.']';
+ }
+ $vmsify_path =~ /(.+:)?(.*)/s;
+ $dir = defined $2 ? $2 : ''; # dir can be '0'
+ return ($1 || '',$dir,$file);
+ }
+ else {
+ $vmsify_path =~ /(.+:)?([\[<].*[\]>])?(.*)/s;
+ return ($1 || '',$2 || '',$3);
+ }
+}
+
+=item splitdir (override)
+
+Split a directory specification into the components.
+
+=cut
+
+sub splitdir {
+ my($self,$dirspec) = @_;
+ my @dirs = ();
+ return @dirs if ( (!defined $dirspec) || ('' eq $dirspec) );
+
+ my $efs = $self->_efs;
+
+ my $dir_unix = 0;
+ $dir_unix = 1 if ($dirspec =~ m#/#);
+ $dir_unix = 1 if ($dirspec =~ /^\.\.?$/);
+
+ # Unix filespecs in EFS mode handled by Unix routines.
+ if ($efs && $dir_unix) {
+ return $self->SUPER::splitdir($dirspec);
+ }
+
+ # FIX ME, only split for VMS delimiters not prefixed with '^'.
+
+ $dirspec =~ tr/<>/[]/; # < and > ==> [ and ]
+ $dirspec =~ s/\]\[\./\.\]\[/g; # ][. ==> .][
+ $dirspec =~ s/\[000000\.\]\[/\[/g; # [000000.][ ==> [
+ $dirspec =~ s/\[000000\./\[/g; # [000000. ==> [
+ $dirspec =~ s/\.\]\[000000\]/\]/g; # .][000000] ==> ]
+ $dirspec =~ s/\.\]\[/\./g; # foo.][bar ==> foo.bar
+ while ($dirspec =~ s/(^|[\[\<\.])\-(\-+)($|[\]\>\.])/$1-.$2$3/g) {}
+ # That loop does the following
+ # with any amount of dashes:
+ # .--. ==> .-.-.
+ # [--. ==> [-.-.
+ # .--] ==> .-.-]
+ # [--] ==> [-.-]
+ $dirspec = "[$dirspec]" unless $dirspec =~ /[\[<]/; # make legal
+ $dirspec =~ s/^(\[|<)\./$1/;
+ @dirs = split /(?<!\^)\./, vmspath($dirspec);
+ $dirs[0] =~ s/^[\[<]//s; $dirs[-1] =~ s/[\]>]\Z(?!\n)//s;
+ @dirs;
+}
+
+
+=item catpath (override)
+
+Construct a complete filespec.
+
+=cut
+
+sub catpath {
+ my($self,$dev,$dir,$file) = @_;
+
+ my $efs = $self->_efs;
+ my $unix_rpt = $self->_unix_rpt;
+
+ my $unix_mode = 0;
+ my $dir_unix = 0;
+ $dir_unix = 1 if ($dir =~ m#/#);
+ $dir_unix = 1 if ($dir =~ /^\.\.?$/);
+ my $dir_vms = 0;
+ $dir_vms = 1 if ($dir =~ m#[\[<\]]#);
+ $dir_vms = 1 if ($dir =~ /^--?$/);
+
+ if ($efs && (length($dev) == 0)) {
+ if ($dir_unix == $dir_vms) {
+ $unix_mode = $unix_rpt;
+ } else {
+ $unix_mode = $dir_unix;
+ }
+ }
+
+ # We look for a volume in $dev, then in $dir, but not both
+ # but only if using VMS syntax.
+ if (!$unix_mode) {
+ $dir = vmspath($dir) if $dir_unix;
+ my ($dir_volume, $dir_dir, $dir_file) = $self->splitpath($dir);
+ $dev = $dir_volume unless length $dev;
+ $dir = length $dir_file ? $self->catfile($dir_dir, $dir_file) :
+ $dir_dir;
+ }
+ if ($dev =~ m|^/+([^/]+)|) { $dev = "$1:"; }
+ else { $dev .= ':' unless $dev eq '' or $dev =~ /:\Z(?!\n)/; }
+ if (length($dev) or length($dir)) {
+ if ($efs) {
+ if ($unix_mode) {
+ $dir .= '/' unless ($dir =~ m#/$#);
+ } else {
+ $dir = vmspath($dir) if (($dir =~ m#/#) || ($dir =~ /^\.\.?$/));
+ $dir = "[$dir]" unless $dir =~ /^[\[<]/;
+ }
+ } else {
+ $dir = "[$dir]" unless $dir =~ /[\[<\/]/;
+ $dir = vmspath($dir);
+ }
+ }
+ "$dev$dir$file";
+}
+
+=item abs2rel (override)
+
+Attempt to convert a file specification to a relative specification.
+On a system with volumes, like VMS, this may not be possible.
+
+=cut
+
+sub abs2rel {
+ my $self = shift;
+ my($path,$base) = @_;
+
+ my $efs = $self->_efs;
+ my $unix_rpt = $self->_unix_rpt;
+
+ if (!$efs) {
+ return vmspath(File::Spec::Unix::abs2rel( $self, @_ ))
+ if grep m{/}, @_;
+ }
+
+ # We need to identify what the directory is in
+ # of the specification in order to process them
+ my $path_unix = 0;
+ $path_unix = 1 if ($path =~ m#/#);
+ $path_unix = 1 if ($path =~ /^\.\.?$/);
+ my $path_vms = 0;
+ $path_vms = 1 if ($path =~ m#[\[<\]]#);
+ $path_vms = 1 if ($path =~ /^--?$/);
+
+ my $unix_mode = 0;
+ if ($path_vms == $path_unix) {
+ $unix_mode = $unix_rpt;
+ } else {
+ $unix_mode = $path_unix;
+ }
+
+ my $base_unix = 0;
+ my $base_vms = 0;
+
+ if (defined $base) {
+ $base_unix = 1 if ($base =~ m#/#);
+ $base_unix = 1 if ($base =~ /^\.\.?$/);
+ $base_vms = 1 if ($base =~ m#[\[<\]]#);
+ $base_vms = 1 if ($base =~ /^--?$/);
+
+ if ($path_vms == $path_unix) {
+ if ($base_vms == $base_unix) {
+ $unix_mode = $unix_rpt;
+ } else {
+ $unix_mode = $base_unix;
+ }
+ } else {
+ $unix_mode = 0 if $base_vms;
+ }
+ }
+
+ if ($efs) {
+ if ($unix_mode) {
+ # We are UNIX mode.
+ $base = unixpath($base) if $base_vms;
+ $base = unixify($path) if $path_vms;
+
+ # Here VMS is different, and in order to do this right
+ # we have to take the realpath for both the path and the base
+ # so that we can remove the common components.
+
+ if ($path =~ m#^/#) {
+ if (defined $base) {
+
+ # For the shorterm, if the starting directories are
+ # common, remove them.
+ my $bq = qq($base);
+ $bq =~ s/\$/\\\$/;
+ $path =~ s/^$bq//i;
+ }
+ return $path;
+ }
+
+ return File::Spec::Unix::abs2rel( $self, $path, $base );
+
+ } else {
+ $base = vmspath($base) if $base_unix;
+ $path = vmsify($path) if $path_unix;
+ }
+ }
+
+ unless (defined $base and length $base) {
+ $base = $self->_cwd();
+ if ($efs) {
+ $base_unix = 1 if ($base =~ m#/#);
+ $base_unix = 1 if ($base =~ /^\.\.?$/);
+ $base = vmspath($base) if $base_unix;
+ }
+ }
+
+ for ($path, $base) { $_ = $self->canonpath($_) }
+
+ # Are we even starting $path on the same (node::)device as $base? Note that
+ # logical paths or nodename differences may be on the "same device"
+ # but the comparison that ignores device differences so as to concatenate
+ # [---] up directory specs is not even a good idea in cases where there is
+ # a logical path difference between $path and $base nodename and/or device.
+ # Hence we fall back to returning the absolute $path spec
+ # if there is a case blind device (or node) difference of any sort
+ # and we do not even try to call $parse() or consult %ENV for $trnlnm()
+ # (this module needs to run on non VMS platforms after all).
+
+ my ($path_volume, $path_directories, $path_file) = $self->splitpath($path);
+ my ($base_volume, $base_directories, $base_file) = $self->splitpath($base);
+ return $path unless lc($path_volume) eq lc($base_volume);
+
+ for ($path, $base) { $_ = $self->rel2abs($_) }
+
+ # Now, remove all leading components that are the same
+ my @pathchunks = $self->splitdir( $path_directories );
+ my $pathchunks = @pathchunks;
+ unshift(@pathchunks,'000000') unless $pathchunks[0] eq '000000';
+ my @basechunks = $self->splitdir( $base_directories );
+ my $basechunks = @basechunks;
+ unshift(@basechunks,'000000') unless $basechunks[0] eq '000000';
+
+ while ( @pathchunks &&
+ @basechunks &&
+ lc( $pathchunks[0] ) eq lc( $basechunks[0] )
+ ) {
+ shift @pathchunks ;
+ shift @basechunks ;
+ }
+
+ # @basechunks now contains the directories to climb out of,
+ # @pathchunks now has the directories to descend in to.
+ if ((@basechunks > 0) || ($basechunks != $pathchunks)) {
+ $path_directories = join '.', ('-' x @basechunks, @pathchunks) ;
+ }
+ else {
+ $path_directories = join '.', @pathchunks;
+ }
+ $path_directories = '['.$path_directories.']';
+ return $self->canonpath( $self->catpath( '', $path_directories, $path_file ) ) ;
+}
+
+
+=item rel2abs (override)
+
+Return an absolute file specification from a relative one.
+
+=cut
+
+sub rel2abs {
+ my $self = shift ;
+ my ($path,$base ) = @_;
+ return undef unless defined $path;
+
+ my $efs = $self->_efs;
+ my $unix_rpt = $self->_unix_rpt;
+
+ # We need to identify what the directory is in
+ # of the specification in order to process them
+ my $path_unix = 0;
+ $path_unix = 1 if ($path =~ m#/#);
+ $path_unix = 1 if ($path =~ /^\.\.?$/);
+ my $path_vms = 0;
+ $path_vms = 1 if ($path =~ m#[\[<\]]#);
+ $path_vms = 1 if ($path =~ /^--?$/);
+
+ my $unix_mode = 0;
+ if ($path_vms == $path_unix) {
+ $unix_mode = $unix_rpt;
+ } else {
+ $unix_mode = $path_unix;
+ }
+
+ my $base_unix = 0;
+ my $base_vms = 0;
+
+ if (defined $base) {
+ $base_unix = 1 if ($base =~ m#/#);
+ $base_unix = 1 if ($base =~ /^\.\.?$/);
+ $base_vms = 1 if ($base =~ m#[\[<\]]#);
+ $base_vms = 1 if ($base =~ /^--?$/);
+
+ # If we could not determine the path mode, see if we can find out
+ # from the base.
+ if ($path_vms == $path_unix) {
+ if ($base_vms != $base_unix) {
+ $unix_mode = $base_unix;
+ }
+ }
+ }
+
+ if (!$efs) {
+ # Legacy behavior, convert to VMS syntax.
+ $unix_mode = 0;
+ if (defined $base) {
+ $base = vmspath($base) if $base =~ m/\//;
+ }
+
+ if ($path =~ m/\//) {
+ $path = ( -d $path || $path =~ m/\/\z/ # educated guessing about
+ ? vmspath($path) # whether it's a directory
+ : vmsify($path) );
+ }
+ }
+
+ # Clean up and split up $path
+ if ( ! $self->file_name_is_absolute( $path ) ) {
+ # Figure out the effective $base and clean it up.
+ if ( !defined( $base ) || $base eq '' ) {
+ $base = $self->_cwd;
+ }
+ elsif ( ! $self->file_name_is_absolute( $base ) ) {
+ $base = $self->rel2abs( $base ) ;
+ }
+ else {
+ $base = $self->canonpath( $base ) ;
+ }
+
+ if ($efs) {
+ # base may have changed, so need to look up format again.
+ if ($unix_mode) {
+ $base_vms = 1 if ($base =~ m#[\[<\]]#);
+ $base_vms = 1 if ($base =~ /^--?$/);
+ $base = unixpath($base) if $base_vms;
+ $base .= '/' unless ($base =~ m#/$#);
+ } else {
+ $base_unix = 1 if ($base =~ m#/#);
+ $base_unix = 1 if ($base =~ /^\.\.?$/);
+ $base = vmspath($base) if $base_unix;
+ }
+ }
+
+ # Split up paths
+ my ( $path_directories, $path_file ) =
+ ($self->splitpath( $path ))[1,2] ;
+
+ my ( $base_volume, $base_directories ) =
+ $self->splitpath( $base ) ;
+
+ $path_directories = '' if $path_directories eq '[]' ||
+ $path_directories eq '<>';
+ my $sep = '' ;
+
+ if ($efs) {
+ # Merge the paths assuming that the base is absolute.
+ $base_directories = $self->catdir('',
+ $base_directories,
+ $path_directories);
+ } else {
+ # Legacy behavior assumes VMS only paths
+ $sep = '.'
+ if ( $base_directories =~ m{[^.\]>]\Z(?!\n)} &&
+ $path_directories =~ m{^[^.\[<]}s
+ ) ;
+ $base_directories = "$base_directories$sep$path_directories";
+ $base_directories =~ s{\.?[\]>][\[<]\.?}{.};
+ }
+
+ $path_file = '' if ($path_file eq '.') && $unix_mode;
+
+ $path = $self->catpath( $base_volume, $base_directories, $path_file );
+ }
+
+ return $self->canonpath( $path ) ;
+}
+
+
+# eliminate_macros() and fixpath() are MakeMaker-specific methods
+# which are used inside catfile() and catdir(). MakeMaker has its own
+# copies as of 6.06_03 which are the canonical ones. We leave these
+# here, in peace, so that File::Spec continues to work with MakeMakers
+# prior to 6.06_03.
+#
+# Please consider these two methods deprecated. Do not patch them,
+# patch the ones in ExtUtils::MM_VMS instead.
+#
+# Update: MakeMaker 6.48 is still using these routines on VMS.
+# so they need to be kept up to date with ExtUtils::MM_VMS.
+#
+# The traditional VMS mode using ODS-2 disks depends on these routines
+# being here. These routines should not be called in when the
+# C<DECC$EFS_CHARSET> or C<DECC$FILENAME_REPORT_UNIX> modes are enabled.
+
+sub eliminate_macros {
+ my($self,$path) = @_;
+ return '' unless (defined $path) && ($path ne '');
+ $self = {} unless ref $self;
+
+ if ($path =~ /\s/) {
+ return join ' ', map { $self->eliminate_macros($_) } split /\s+/, $path;
+ }
+
+ my $npath = unixify($path);
+ # sometimes unixify will return a string with an off-by-one trailing null
+ $npath =~ s{\0$}{};
+
+ my($complex) = 0;
+ my($head,$macro,$tail);
+
+ # perform m##g in scalar context so it acts as an iterator
+ while ($npath =~ m#(.*?)\$\((\S+?)\)(.*)#gs) {
+ if (defined $self->{$2}) {
+ ($head,$macro,$tail) = ($1,$2,$3);
+ if (ref $self->{$macro}) {
+ if (ref $self->{$macro} eq 'ARRAY') {
+ $macro = join ' ', @{$self->{$macro}};
+ }
+ else {
+ print "Note: can't expand macro \$($macro) containing ",ref($self->{$macro}),
+ "\n\t(using MMK-specific deferred substitutuon; MMS will break)\n";
+ $macro = "\cB$macro\cB";
+ $complex = 1;
+ }
+ }
+ else { ($macro = unixify($self->{$macro})) =~ s#/\Z(?!\n)##; }
+ $npath = "$head$macro$tail";
+ }
+ }
+ if ($complex) { $npath =~ s#\cB(.*?)\cB#\${$1}#gs; }
+ $npath;
+}
+
+# Deprecated. See the note above for eliminate_macros().
+
+# Catchall routine to clean up problem MM[SK]/Make macros. Expands macros
+# in any directory specification, in order to avoid juxtaposing two
+# VMS-syntax directories when MM[SK] is run. Also expands expressions which
+# are all macro, so that we can tell how long the expansion is, and avoid
+# overrunning DCL's command buffer when MM[KS] is running.
+
+# fixpath() checks to see whether the result matches the name of a
+# directory in the current default directory and returns a directory or
+# file specification accordingly. C<$is_dir> can be set to true to
+# force fixpath() to consider the path to be a directory or false to force
+# it to be a file.
+
+sub fixpath {
+ my($self,$path,$force_path) = @_;
+ return '' unless $path;
+ $self = bless {}, $self unless ref $self;
+ my($fixedpath,$prefix,$name);
+
+ if ($path =~ /\s/) {
+ return join ' ',
+ map { $self->fixpath($_,$force_path) }
+ split /\s+/, $path;
+ }
+
+ if ($path =~ m#^\$\([^\)]+\)\Z(?!\n)#s || $path =~ m#[/:>\]]#) {
+ if ($force_path or $path =~ /(?:DIR\)|\])\Z(?!\n)/) {
+ $fixedpath = vmspath($self->eliminate_macros($path));
+ }
+ else {
+ $fixedpath = vmsify($self->eliminate_macros($path));
+ }
+ }
+ elsif ((($prefix,$name) = ($path =~ m#^\$\(([^\)]+)\)(.+)#s)) && $self->{$prefix}) {
+ my($vmspre) = $self->eliminate_macros("\$($prefix)");
+ # is it a dir or just a name?
+ $vmspre = ($vmspre =~ m|/| or $prefix =~ /DIR\Z(?!\n)/) ? vmspath($vmspre) : '';
+ $fixedpath = ($vmspre ? $vmspre : $self->{$prefix}) . $name;
+ $fixedpath = vmspath($fixedpath) if $force_path;
+ }
+ else {
+ $fixedpath = $path;
+ $fixedpath = vmspath($fixedpath) if $force_path;
+ }
+ # No hints, so we try to guess
+ if (!defined($force_path) and $fixedpath !~ /[:>(.\]]/) {
+ $fixedpath = vmspath($fixedpath) if -d $fixedpath;
+ }
+
+ # Trim off root dirname if it's had other dirs inserted in front of it.
+ $fixedpath =~ s/\.000000([\]>])/$1/;
+ # Special case for VMS absolute directory specs: these will have had device
+ # prepended during trip through Unix syntax in eliminate_macros(), since
+ # Unix syntax has no way to express "absolute from the top of this device's
+ # directory tree".
+ if ($path =~ /^[\[>][^.\-]/) { $fixedpath =~ s/^[^\[<]+//; }
+ $fixedpath;
+}
+
+
+=back
+
+=head1 COPYRIGHT
+
+Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.
+
+This program is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=head1 SEE ALSO
+
+See L<File::Spec> and L<File::Spec::Unix>. This package overrides the
+implementation of these methods, not the semantics.
+
+An explanation of VMS file specs can be found at
+L<"http://h71000.www7.hp.com/doc/731FINAL/4506/4506pro_014.html#apps_locating_naming_files">.
+
+=cut
+
+1;
projects / catagits/Gitalist.git / blobdiff