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#=====================================================================
# SQL-Ledger Accounting
# Copyright (C) 2002
#
# Author: Dieter Simader
# Email: dsimader@sql-ledger.org
# Web: http://www.sql-ledger.org
#
# Contributors: Luca Venturini <luca@yepa.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#======================================================================
#
# this is a variation of the Lingua package
# written for check and receipt printing
# it returns a properly formatted text string
# for a number up to 10**12
sub init {
my $self = shift;
%{ $self->{numbername} } =
(0 => 'Zero',
1 => 'uno',
2 => 'due',
3 => 'tre',
4 => 'quattro',
5 => 'cinque',
6 => 'sei',
7 => 'sette',
8 => 'otto',
9 => 'nove',
10 => 'dieci',
11 => 'undici',
12 => 'dodici',
13 => 'tredici',
14 => 'quattrodici',
15 => 'quindici',
16 => 'sedici',
17 => 'diciassette',
18 => 'diciotto',
19 => 'diciannove',
20 => 'venti',
30 => 'trenta',
40 => 'quaranta',
50 => 'cinquanta',
60 => 'sessanta',
70 => 'settanta',
80 => 'ottanta',
90 => 'novanta',
10**2 => 'cento',
10**3 => 'mille',
10**6 => 'milione',
10**9 => 'miliardo',
10**12 => 'mille miliardi'
);
}
sub num2text {
my ($self, $amount) = @_;
return $self->{numbername}{0} unless $amount;
my @textnumber = ();
# split amount into chunks of 3
my @num = reverse split //, abs($amount);
my @numblock = ();
my ($i, $appendn);
my @a = ();
while (@num) {
@a = ();
for (1 .. 3) {
push @a, shift @num;
}
push @numblock, join / /, reverse @a;
}
while (@numblock) {
$i = $#numblock;
@num = split //, $numblock[$i];
$numblock[$i] *= 1;
if ($numblock[$i] == 0) {
pop @numblock;
next;
}
if ($numblock[$i] > 99) {
# the one from hundreds
push @textnumber, $self->{numbername}{$num[0]};
# add hundred designation
push @textnumber, $self->{numbername}{10**2};
# reduce numblock
$numblock[$i] -= $num[0] * 100;
}
if ($numblock[$i] > 9) {
# tens
push @textnumber, $self->format_ten($numblock[$i]);
} elsif ($numblock[$i] > 1) {
# ones
push @textnumber, $self->{numbername}{$numblock[$i]};
}
# add thousand, million
if ($i) {
$amount = 10**($i * 3);
push @textnumber, $self->{numbername}{$amount};
}
pop @numblock;
}
join '', @textnumber;
}
sub format_ten {
my ($self, $amount) = @_;
my $textnumber = "";
my @num = split //, $amount;
if ($amount > 20) {
if ($num[1] == 0) {
$textnumber = $self->{numbername}{$amount};
} else {
$amount = $num[0] * 10;
$textnumber = $self->{numbername}{$amount}.$self->{numbername}{$num[1]};
}
} else {
$textnumber = $self->{numbername}{$amount};
}
$textnumber;
}
1;
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