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package DirectoryManager;
# ************************************************************
# Description : This module provides directory related methods
# Author : Chad Elliott
# Create Date : 5/13/2004
# ************************************************************
# ************************************************************
# Pragmas
# ************************************************************
use strict;
use File::Spec;
use File::Basename;
# ************************************************************
# Data Section
# ************************************************************
my $onVMS = ($^O eq 'VMS');
my $case_insensitive = File::Spec->case_tolerant();
my $cwd = Cwd::getcwd();
if ($^O eq 'cygwin' && $cwd !~ /[A-Za-z]:/) {
my $cyg = `cygpath -w $cwd`;
if (defined $cyg) {
$cyg =~ s/\\/\//g;
chop($cwd = $cyg);
}
$case_insensitive = 1;
}
elsif ($onVMS) {
$cwd = VMS::Filespec::unixify($cwd);
$cwd =~ s!/$!!g;
}
my $start = $cwd;
# ************************************************************
# Subroutine Section
# ************************************************************
sub cd {
my($self, $dir) = @_;
my $status = chdir($dir);
if ($status && $dir ne '.') {
## First strip out any /./ or ./ or /.
$dir =~ s/\/\.\//\//g;
$dir =~ s/^\.\///;
$dir =~ s/\/\.$//;
## If the new directory contains a relative directory
## then we just get the real working directory
if (index($dir, '..') >= 0) {
$cwd = Cwd::getcwd();
if ($^O eq 'cygwin' && $cwd !~ /[A-Za-z]:/) {
## We're using Cygwin perl, use cygpath to get the windows path
## and then fix up the slashes.
my $cyg = `cygpath -w $cwd`;
if (defined $cyg) {
$cyg =~ s/\\/\//g;
chop($cwd = $cyg);
}
}
elsif ($onVMS) {
## On VMS, we nee to get the UNIX style path and remove the
## trailing slash.
$cwd = VMS::Filespec::unixify($cwd);
$cwd =~ s!/$!!g;
}
}
else {
if ($dir =~ /^(\/|[a-z]:)/i) {
## It was a full path, just store it.
$cwd = $dir;
}
else {
## This portion was relative, add it onto the current working
## directory.
$cwd .= "/$dir";
}
}
}
return $status;
}
sub getcwd {
#my $self = shift;
return $cwd;
}
sub getstartdir {
#my $self = shift;
return $start;
}
sub mpc_basename {
#my $self = $_[0];
#my $file = $_[1];
return substr($_[1], rindex($_[1], '/') + 1);
}
sub mpc_dirname {
my($self, $dir) = @_;
## The dirname() on VMS doesn't work as we expect it to.
if ($onVMS) {
## If the directory contains multiple parts, we need to get the
## dirname in a UNIX style format and then remove the slash from the
## end.
if (index($dir, '/') >= 0) {
$dir = VMS::Filespec::unixify(dirname($dir));
$dir =~ s!/$!!g;
return $dir;
}
else {
## There's no directory portion, so just return '.'
return '.';
}
}
else {
return dirname($dir);
}
}
sub mpc_glob {
my($self, $pattern) = @_;
## glob() provided by OpenVMS does not understand [] within
## the pattern. So, we implement our own through recursive calls
## to mpc_glob().
if ($onVMS && $pattern =~ /(.*)\[([^\]]+)\](.*)/) {
my @files;
my($pre, $mid, $post) = ($1, $2, $3);
for(my $i = 0; $i < length($mid); $i++) {
foreach my $new ($self->mpc_glob($pre . substr($mid, $i, 1) . $post)) {
push(@files, $new) if (!StringProcessor::fgrep($new, \@files));
}
}
return @files;
}
## Otherwise, we just return the globbed pattern.
return glob($pattern);
}
sub onVMS {
return $onVMS;
}
sub path_is_relative {
## To determine if the path is relative, we just determine if it is not
## an absolute path.
#my($self, $path) = @_;
return (index($_[1], '/') != 0 && $_[1] !~ /^[A-Z]:\//i);
}
# ************************************************************
# Virtual Methods To Be Overridden
# ************************************************************
sub translate_directory {
my($self, $dir) = @_;
## Remove the current working directory from $dir (if it is contained)
my $cwd = $self->getcwd();
$cwd =~ s/\//\\/g if ($self->convert_slashes());
if (index($dir, $cwd) == 0) {
my $cwdl = length($cwd);
return '.' if (length($dir) == $cwdl);
$dir = substr($dir, $cwdl + 1);
}
## Translate .. to $dd
if (index($dir, '..') >= 0) {
my $dd = 'dotdot';
$dir =~ s/^\.\.([\/\\])/$dd$1/;
$dir =~ s/([\/\\])\.\.$/$1$dd/;
$dir =~ s/([\/\\])\.\.([\/\\])/$1$dd$2/g;
$dir =~ s/^\.\.$/$dd/;
}
return $dir;
}
sub convert_slashes {
#my $self = shift;
return 0;
}
sub case_insensitive {
#my $self = shift;
return $case_insensitive;
}
1;
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