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ABALAMA / Acrux-0.06 / lib / Acrux / Const.pm 

            

              
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package Acrux::Const;
use strict;
use utf8;
use feature ':5.16';
=encoding utf8
=head1 NAME
Acrux::Const - The Acrux constants
=head1 SYNOPSIS
    use Acrux::Const;
=head1 DESCRIPTION
This module contains constants definitions
=head2 TAGS
=over 8
=item B<:dir>
Exports FHS DIR constants
See L<See https://www.pathname.com/fhs/pub/fhs-2.3.html>,
L<http://www.gnu.org/software/autoconf/manual/html_node/Installation-Directory-Variables.html>,
L<Sys::Path>
=item B<:general>
Exports common constants
=back
=head1 HISTORY
See C<Changes> file
=head1 TO DO
See C<TODO> file
=head1 SEE ALSO
L<Acrux>
=head1 AUTHOR
Serż Minus (Sergey Lepenkov) L<https://www.serzik.com> E<lt>abalama@cpan.orgE<gt>
=head1 COPYRIGHT
Copyright (C) 1998-2024 D&D Corporation. All Rights Reserved
=head1 LICENSE
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
See C<LICENSE> file and L<https://dev.perl.org/licenses/>
=cut
our $VERSION = '0.01';
use base qw/Exporter/;
use Config qw//;
use File::Spec qw//;
use constant {
    # System constants
    IS_TTY              => !!(-t STDIN && (-t STDOUT || !(-f STDOUT || -c STDOUT))), # See Prompt::Timeout
    IS_ROOT             => !!($> == 0),
    # Date and time formats (see strftime(3))
    DATE_FORMAT         => '%Y-%m-%d', # POSIX::strftime(DATE_FORMAT, localtime($t))
    TIME_FORMAT         => '%H:%M:%S', # POSIX::strftime(TIME_FORMAT, localtime($t))
    DATETIME_FORMAT     => '%Y-%m-%dT%H:%M:%S', # POSIX::strftime(DATETIME_FORMAT, localtime($t))
    DATE_TIME_FORMAT    => '%Y-%m-%d %H:%M:%S', # POSIX::strftime(DATE_TIME_FORMAT, localtime($t))
};
# Named groups of exports
our %EXPORT_TAGS = (
    'GENERAL' => [qw/
        IS_TTY IS_ROOT
        DATE_FORMAT TIME_FORMAT DATETIME_FORMAT DATE_TIME_FORMAT
    /],
    'DIR' => [qw/
        PREFIX LOCALSTATEDIR SYSCONFDIR SRVDIR
        BINDIR SBINDIR DATADIR DOCDIR LOCALEDIR MANDIR LOCALBINDIR
        CACHEDIR LOGDIR SPOOLDIR RUNDIR LOCKDIR SHAREDSTATEDIR WEBDIR
    /],
);
# Items to export into callers namespace by default
# (move infrequently used names to @EXPORT_OK below)
our @EXPORT = (
        @{$EXPORT_TAGS{GENERAL}},
    );
# Other items we are prepared to export if requested
our @EXPORT_OK = (
        map {@{$_}} values %EXPORT_TAGS
    );
# Correct tags: makes lowercase tags as aliases of original uppercase tags
foreach my $k (keys %EXPORT_TAGS) {
    next if exists $EXPORT_TAGS{(lc($k))};
    $EXPORT_TAGS{(lc($k))} = $EXPORT_TAGS{$k} if $k =~ /^[A-Z_]+$/;
}
#
# Filesystem Hierarchy Standard
#
# See http://www.gnu.org/software/autoconf/manual/html_node/Installation-Directory-Variables.html
# See https://www.pathname.com/fhs/pub/fhs-2.3.html
#
my $prefix          = $Config::Config{'prefix'} // '';
my $bindir          = $Config::Config{'bin'} // File::Spec->catdir($prefix, 'bin');
my $localstatedir   = $prefix eq '/usr' ? '/var' : File::Spec->catdir($prefix, 'var');
my $sysconfdir      = $prefix eq '/usr' ? '/etc' : File::Spec->catdir($prefix, 'etc');
my $srvdir          = $prefix eq '/usr' ? '/srv' : File::Spec->catdir($prefix, 'srv');
# Root dirs
*PREFIX = sub { $prefix };                  # prefix              /usr
*LOCALSTATEDIR = sub { $localstatedir };    # localstatedir       /var
*SYSCONFDIR = sub { $sysconfdir };          # sysconfdir          /etc
*SRVDIR = sub { $srvdir };                  # srvdir              /srv
# Prefix related dirs
*BINDIR = sub { $bindir };                                                              # bindir    /usr/bin
*SBINDIR = sub { state $sbindir = File::Spec->catdir($prefix, 'sbin') };                # sbindir   /usr/sbin
*DATADIR = sub { state $datadir = File::Spec->catdir($prefix, 'share') };               # datadir   /usr/share
*DOCDIR = sub { state $docdir = File::Spec->catdir($prefix, 'share', 'doc') };          # docdir    /usr/share/doc
*LOCALEDIR = sub { state $localedir = File::Spec->catdir($prefix, 'share', 'locale') }; # localedir /usr/share/locale
*MANDIR = sub { state $mandir = File::Spec->catdir($prefix, 'share', 'man') };          # mandir    /usr/share/man
*LOCALBINDIR = sub { state $localbindir = File::Spec->catdir($prefix, 'local', 'bin') };# localbindir  /usr/local/bin
# Local State related Dirs
*CACHEDIR = sub { state $cachedir = File::Spec->catdir($localstatedir, 'cache') };      # cachedir  /var/cache
*LOGDIR = sub { state $logdir = File::Spec->catdir($localstatedir, 'log') };            # logdir    /var/log
*SPOOLDIR = sub { state $spooldir = File::Spec->catdir($localstatedir, 'spool') };      # spooldir  /var/spool
*RUNDIR = sub { state $rundir = File::Spec->catdir($localstatedir, 'run') };            # rundir    /var/run
*LOCKDIR = sub { state $lockdir = File::Spec->catdir($localstatedir, 'lock') };         # lockdir   /var/lock
*SHAREDSTATEDIR = sub { state $sharedstatedir = File::Spec->catdir($localstatedir, 'lib') }; # sharedstatedir  /var/lib
*WEBDIR = sub { state $webdir =  File::Spec->catdir($localstatedir, 'www') };           # webdir    /var/www
1;
__END__