/usr/share/perl5/NetSDS/Util/Convert.pm is in libnetsds-util-perl 1.044-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# FILE: Convert.pm
#
# DESCRIPTION: Conversion between different data formats
#
# NOTES: ---
# AUTHOR: Michael Bochkaryov (Rattler), <misha@rattler.kiev.ua>
# COMPANY: Net.Style
# CREATED: 17.08.2008 17:01:48 EEST
#===============================================================================
=head1 NAME
NetSDS::Util::Convert - data formats conversion functions
=head1 SYNOPSIS
use NetSDS::Util::Convert qw(...);
=head1 DESCRIPTION
C<NetSDS::Util::Convert> module contains miscelaneous functions.
=over
=item * CLI parameters processing
=item * types validation
=item * HEX, Base64, URI, BCD encondig
=item * UUID processing
=back
=cut
package NetSDS::Util::Convert;
use 5.8.0;
use warnings 'all';
use strict;
use base 'Exporter';
use version; our $VERSION = '1.044';
our @EXPORT = qw(
conv_str_bcd
conv_chr_hex
conv_hex_chr
conv_str_hex
conv_hex_str
conv_str_base64
conv_base64_str
conv_str_uri
conv_uri_str
);
use MIME::Base64;
use URI::Escape;
#***********************************************************************
=head1 EXPORTED FUNCTIONS
=over
=item B<conv_conv_str_bcd($str)> - convert string to little-endian BCD
This function converts string to little-endian BCD encoding
filled with F16 value.
=cut
#-----------------------------------------------------------------------
sub conv_conv_str_bcd {
my ($str) = @_;
$str = "$str" . 'F' x ( length("$str") % 2 );
$str =~ s/([\dF])([\dF])/$2$1/g;
return conv_hex_str($str);
}
#***********************************************************************
=item B<conv_chr_hex($char)> - encode char to hexadecimal string
$hex = conv_chr_hex('a'); # return 61
=cut
#-----------------------------------------------------------------------
sub conv_chr_hex {
my ($chr) = @_;
return defined($chr) ? uc( unpack( "H2", "$chr" ) ) : "$chr";
}
#***********************************************************************
=item B<conv_hex_chr($hex)> - convert hexadecimal string to character
$chr = conv_hex_chr('4A'); # return 'J'
=cut
#-----------------------------------------------------------------------
sub conv_hex_chr {
my ($hex) = @_;
return defined($hex) ? pack( "H2", "$hex" ) : "$hex";
}
#***********************************************************************
=item B<conv_str_hex($str)> - convert byte string to hexadecimal
$str = 'Want hex dump!';
$hex = conv_hex_str($str);
print "Hex string: " . $hex;
=cut
#-----------------------------------------------------------------------
sub conv_str_hex {
my ($str) = @_;
return defined($str) ? uc( unpack( "H*", "$str" ) ) : "";
}
#***********************************************************************
=item B<conv_hex_str($string)> - convert hex to byte string
$hex = '7A686F7061';
$string = conv_hex_str($hex);
print "String from hex: " . $string;
=cut
#-----------------------------------------------------------------------
sub conv_hex_str {
my ($hex) = @_;
return defined($hex) ? pack( "H*", "$hex" ) : ""; #"$hex";
}
#***********************************************************************
=item B<conv_str_base64($str)> - convert string to Base64
my $b64 = str_base64("Hallo, people!");
=cut
#-----------------------------------------------------------------------
sub conv_str_base64 {
my ($str) = @_;
return encode_base64($str, "");
}
#***********************************************************************
=item B<conv_base64_str($b64)> - convert Base64 to string
my $str = base64_str($base64_string);
=cut
#-----------------------------------------------------------------------
sub conv_base64_str {
my ($str) = @_;
return decode_base64($str);
}
#***********************************************************************
=item B<conv_str_uri($str)> - convert string to URI encoded
Example:
my $uri = str_uri("http://www.google.com/?q=what");
=cut
#-----------------------------------------------------------------------
sub conv_str_uri {
my ($str) = @_;
return uri_escape( $str, "\x00-\xff" );
}
#***********************************************************************
=item B<conv_uri_str($uri)> - decode URI encoded string
Example:
my $str = uri_str($uri_string);
=cut
#-----------------------------------------------------------------------
sub conv_uri_str {
my ($str) = @_;
return uri_unescape($str);
}
1;
__END__
=back
=head1 EXAMPLES
None
=head1 BUGS
None
=head1 TODO
1. Add other encodings support
=head1 SEE ALSO
L<Pod::Usage>, L<Data::UUID>
=head1 AUTHORS
Valentyn Solomko <pere@pere.org.ua>
Michael Bochkaryov <misha@rattler.kiev.ua>
=cut
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