require File::Spec::Unix;
@ISA = qw(File::Spec::Unix);
+use Cwd;
use File::Basename;
use VMS::Filespec;
my($head,$macro,$tail);
# perform m##g in scalar context so it acts as an iterator
- while ($npath =~ m#(.*?)\$\((\S+?)\)(.*)#g) {
+ while ($npath =~ m#(.*?)\$\((\S+?)\)(.*)#gs) {
if ($self->{$2}) {
($head,$macro,$tail) = ($1,$2,$3);
if (ref $self->{$macro}) {
$complex = 1;
}
}
- else { ($macro = unixify($self->{$macro})) =~ s#/$##; }
+ else { ($macro = unixify($self->{$macro})) =~ s#/\z##; }
$npath = "$head$macro$tail";
}
}
- if ($complex) { $npath =~ s#\cB(.*?)\cB#\${$1}#g; }
+ if ($complex) { $npath =~ s#\cB(.*?)\cB#\${$1}#gs; }
$npath;
}
$self = bless {} unless ref $self;
my($fixedpath,$prefix,$name);
- if ($path =~ m#^\$\([^\)]+\)$# || $path =~ m#[/:>\]]#) {
- if ($force_path or $path =~ /(?:DIR\)|\])$/) {
+ if ($path =~ m#^\$\([^\)]+\)\z#s || $path =~ m#[/:>\]]#) {
+ if ($force_path or $path =~ /(?:DIR\)|\])\z/) {
$fixedpath = vmspath($self->eliminate_macros($path));
}
else {
$fixedpath = vmsify($self->eliminate_macros($path));
}
}
- elsif ((($prefix,$name) = ($path =~ m#^\$\(([^\)]+)\)(.+)#)) && $self->{$prefix}) {
+ 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 $prefix =~ /DIR$/) ? vmspath($vmspre) : '';
+ $vmspre = ($vmspre =~ m|/| or $prefix =~ /DIR\z/) ? vmspath($vmspre) : '';
$fixedpath = ($vmspre ? $vmspre : $self->{$prefix}) . $name;
$fixedpath = vmspath($fixedpath) if $force_path;
}
if (!defined($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/^[^\[<]+//; }
$fixedpath;
}
=over
+=item canonpath (override)
+
+Removes redundant portions of file specifications according to VMS syntax.
+
+=cut
+
+sub canonpath {
+ my($self,$path) = @_;
+
+ if ($path =~ m|/|) { # Fake Unix
+ my $pathify = $path =~ m|/\z|;
+ $path = $self->SUPER::canonpath($path);
+ if ($pathify) { return vmspath($path); }
+ else { return vmsify($path); }
+ }
+ else {
+ $path =~ s-\]\[--g; $path =~ s/><//g; # foo.][bar ==> foo.bar
+ $path =~ s/([\[<])000000\./$1/; # [000000.foo ==> foo
+ 1 while $path =~ s{([\[<-])\.-}{$1-}; # [.-.- ==> [--
+ $path =~ s/\.[^\[<\.]+\.-([\]\>])/$1/; # bar.foo.-] ==> bar]
+ $path =~ s/([\[<])(-+)/$1 . "\cx" x length($2)/e; # encode leading '-'s
+ $path =~ s/([\[<\.])([^\[<\.\cx]+)\.-\.?/$1/g; # bar.-.foo ==> foo
+ $path =~ s/([\[<])(\cx+)/$1 . '-' x length($2)/e; # then decode
+ return $path;
+ }
+}
+
=item catdir
Concatenates a list of file specifications, and returns the result as a
-VMS-syntax directory specification.
+VMS-syntax directory specification. No check is made for "impossible"
+cases (e.g. elements other than the first being absolute filespecs).
=cut
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 $sdir =~ /^[\w\-]+$/;
+ $spath =~ s/\.dir\z//; $sdir =~ s/\.dir\z//;
+ $sdir = $self->eliminate_macros($sdir) unless $sdir =~ /^[\w\-]+\z/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 {
- if ($dir =~ /^\$\([^\)]+\)$/) { $rslt = $dir; }
- else { $rslt = vmspath($dir); }
+ if (not defined $dir or not length $dir) { $rslt = ''; }
+ elsif ($dir =~ /^\$\([^\)]+\)\z/s) { $rslt = $dir; }
+ else { $rslt = vmspath($dir); }
}
- return $rslt;
+ return $self->canonpath($rslt);
}
=item catfile
Concatenates a list of file specifications, and returns the result as a
-VMS-syntax directory specification.
+VMS-syntax file specification.
=cut
if (@files) {
my $path = (@files == 1 ? $files[0] : $self->catdir(@files));
my $spath = $path;
- $spath =~ s/.dir$//;
- if ($spath =~ /^[^\)\]\/:>]+\)$/ && basename($file) eq $file) {
+ $spath =~ s/\.dir\z//;
+ if ($spath =~ /^[^\)\]\/:>]+\)\z/s && basename($file) eq $file) {
$rslt = "$spath$file";
}
else {
$rslt = vmsify($rslt.($rslt ? '/' : '').unixify($file));
}
}
- else { $rslt = vmsify($file); }
- return $rslt;
+ else { $rslt = (defined($file) && length($file)) ? vmsify($file) : ''; }
+ return $self->canonpath($rslt);
}
+
=item curdir (override)
Returns a string representation of the current directory: '[]'
Returns a string representation of the first writable directory
from the following list or '' if none are writable:
- /sys$scratch
+ sys$scratch
$ENV{TMPDIR}
=cut
my $tmpdir;
sub tmpdir {
return $tmpdir if defined $tmpdir;
- foreach ('/sys$scratch', $ENV{TMPDIR}) {
+ foreach ('sys$scratch', $ENV{TMPDIR}) {
next unless defined && -d && -w _;
$tmpdir = $_;
last;
return '[-]';
}
+=item case_tolerant (override)
+
+VMS file specification syntax is case-tolerant.
+
+=cut
+
+sub case_tolerant {
+ return 1;
+}
+
=item path (override)
Translate logical name DCL$PATH as a searchlist, rather than trying
sub file_name_is_absolute {
my ($self,$file) = @_;
# If it's a logical name, expand it.
- $file = $ENV{$file} while $file =~ /^[\w\$\-]+$/ && $ENV{$file};
- return scalar($file =~ m!^/! ||
+ $file = $ENV{$file} while $file =~ /^[\w\$\-]+\z/s && $ENV{$file};
+ return scalar($file =~ m!^/!s ||
$file =~ m![<\[][^.\-\]>]! ||
$file =~ /:[^<\[]/);
}
-=item splitpath
-
- ($volume,$directories,$file) = File::Spec->splitpath( $path );
- ($volume,$directories,$file) = File::Spec->splitpath( $path, $no_file );
-
-Splits a VMS path in to volume, directory, and filename portions.
-Ignores $no_file, if present, since VMS paths indicate the 'fileness' of a
-file.
+=item splitpath (override)
-The results can be passed to L</catpath()> to get back a path equivalent to
-(usually identical to) the original path.
+Splits using VMS syntax.
=cut
sub splitpath {
- my $self = shift ;
- my ($path, $nofile) = @_;
-
- my ($volume,$directory,$file) ;
-
- if ( $path =~ m{/} ) {
- $path =~
- m{^ ( (?: /[^/]* )? )
- ( (?: .*/(?:[^/]+.dir)? )? )
- (.*)
- }x;
- $volume = $1;
- $directory = $2;
- $file = $3;
- }
- else {
- $path =~
- m{^ ( (?: (?: (?: [\w\$-]+ (?: "[^"]*")?:: )? [\w\$-]+: )? ) )
- ( (?:\[.*\])? )
- (.*)
- }x;
- $volume = $1;
- $directory = $2;
- $file = $3;
- }
-
- $directory = $1
- if $directory =~ /^\[(.*)\]$/ ;
+ my($self,$path) = @_;
+ my($dev,$dir,$file) = ('','','');
- return ($volume,$directory,$file);
+ vmsify($path) =~ /(.+:)?([\[<].*[\]>])?(.*)/s;
+ return ($1 || '',$2 || '',$3);
}
+=item splitdir (override)
-=item splitdir
-
-The opposite of L</catdir()>.
-
- @dirs = File::Spec->splitdir( $directories );
-
-$directories must be only the directory portion of the path.
-
-'[' and ']' delimiters are optional. An empty string argument is
-equivalent to '[]': both return an array with no elements.
+Split dirspec using VMS syntax.
=cut
sub splitdir {
- my $self = shift ;
- my $directories = $_[0] ;
-
- return File::Spec::Unix::splitdir( $self, @_ )
- if ( $directories =~ m{/} ) ;
-
- $directories =~ s/^\[(.*)\]$/$1/ ;
-
- #
- # split() likes to forget about trailing null fields, so here we
- # check to be sure that there will not be any before handling the
- # simple case.
- #
- if ( $directories !~ m{\.$} ) {
- return split( m{\.}, $directories );
- }
- else {
- #
- # since there was a trailing separator, add a file name to the end,
- # then do the split, then replace it with ''.
- #
- my( @directories )= split( m{\.}, "${directories}dummy" ) ;
- $directories[ $#directories ]= '' ;
- return @directories ;
- }
+ my($self,$dirspec) = @_;
+ $dirspec =~ s/\]\[//g; $dirspec =~ s/\-\-/-.-/g;
+ $dirspec = "[$dirspec]" unless $dirspec =~ /[\[<]/; # make legal
+ my(@dirs) = split('\.', vmspath($dirspec));
+ $dirs[0] =~ s/^[\[<]//s; $dirs[-1] =~ s/[\]>]\z//s;
+ @dirs;
}
-sub catpath {
- my $self = shift;
-
- return File::Spec::Unix::catpath( $self, @_ )
- if ( join( '', @_ ) =~ m{/} ) ;
+=item catpath (override)
- my ($volume,$directory,$file) = @_;
+Construct a complete filespec using VMS syntax
- $volume .= ':'
- if $volume =~ /[^:]$/ ;
+=cut
- $directory = "[$directory"
- if $directory =~ /^[^\[]/ ;
+sub catpath {
+ my($self,$dev,$dir,$file) = @_;
+ if ($dev =~ m|^/+([^/]+)|) { $dev = "$1:"; }
+ else { $dev .= ':' unless $dev eq '' or $dev =~ /:\z/; }
+ if (length($dev) or length($dir)) {
+ $dir = "[$dir]" unless $dir =~ /[\[<\/]/;
+ $dir = vmspath($dir);
+ }
+ "$dev$dir$file";
+}
- $directory .= ']'
- if $directory =~ /[^\]]$/ ;
+=item abs2rel (override)
- return "$volume$directory$file" ;
-}
+Use VMS syntax when converting filespecs.
+=cut
sub abs2rel {
my $self = shift;
- return File::Spec::Unix::abs2rel( $self, @_ )
+ return vmspath(File::Spec::Unix::abs2rel( $self, @_ ))
if ( join( '', @_ ) =~ m{/} ) ;
my($path,$base) = @_;
}
# Figure out the effective $base and clean it up.
- if ( ! $self->file_name_is_absolute( $base ) ) {
- $base = $self->rel2abs( $base ) ;
- }
- elsif ( !defined( $base ) || $base eq '' ) {
+ if ( !defined( $base ) || $base eq '' ) {
$base = cwd() ;
}
+ elsif ( ! $self->file_name_is_absolute( $base ) ) {
+ $base = $self->rel2abs( $base ) ;
+ }
else {
$base = $self->canonpath( $base ) ;
}
$self->splitpath( $path, 1 ) ;
$path_directories = $1
- if $path_directories =~ /^\[(.*)\]$/ ;
+ if $path_directories =~ /^\[(.*)\]\z/s ;
my ( undef, $base_directories, undef ) =
$self->splitpath( $base, 1 ) ;
$base_directories = $1
- if $base_directories =~ /^\[(.*)\]$/ ;
+ if $base_directories =~ /^\[(.*)\]\z/s ;
# Now, remove all leading components that are the same
my @pathchunks = $self->splitdir( $path_directories );
# @basechunks now contains the directories to climb out of,
# @pathchunks now has the directories to descend in to.
$path_directories = '-.' x @basechunks . join( '.', @pathchunks ) ;
- $path_directories =~ s{\.$}{} ;
- return $self->catpath( '', $path_directories, $path_file ) ;
+ $path_directories =~ s{\.\z}{} ;
+ return $self->canonpath( $self->catpath( '', $path_directories, $path_file ) ) ;
}
+=item rel2abs (override)
+
+Use VMS syntax when converting filespecs.
+
+=cut
+
sub rel2abs($;$;) {
my $self = shift ;
- return File::Spec::Unix::rel2abs( $self, @_ )
+ return vmspath(File::Spec::Unix::rel2abs( $self, @_ ))
if ( join( '', @_ ) =~ m{/} ) ;
my ($path,$base ) = @_;
my ( $base_volume, $base_directories, undef ) =
$self->splitpath( $base ) ;
+ $path_directories = '' if $path_directories eq '[]' ||
+ $path_directories eq '<>';
my $sep = '' ;
$sep = '.'
- if ( $base_directories =~ m{[^.]$} &&
- $path_directories =~ m{^[^.]}
+ if ( $base_directories =~ m{[^.\]>]\z} &&
+ $path_directories =~ m{^[^.\[<]}s
) ;
- $base_directories = "$base_directories$sep$path_directories" ;
+ $base_directories = "$base_directories$sep$path_directories";
+ $base_directories =~ s{\.?[\]>][\[<]\.?}{.};
$path = $self->catpath( $base_volume, $base_directories, $path_file );
}
projects / p5sagit/p5-mst-13.2.git / blobdiff