File Coverage

blib/lib/Lingua/GLE/Word2Num.pm

Criterion	Covered	Total	%
statement	28	29	96.5
branch	2	2	100.0
condition	4	4	100.0
subroutine	8	9	88.8
pod	2	3	66.6
total	44	47	93.6

# For Emacs: -*- mode:cperl; eval: (folding-mode 1); coding:utf-8; -*-

package Lingua::GLE::Word2Num;
# ABSTRACT: Word to number conversion in Irish (Gaeilge)

use 5.16.0;
use utf8;
use warnings;

# {{{ use block

use Export::Attrs;

use Parse::RecDescent;
# }}}
# {{{ variable declarations
our $VERSION = '0.2603300';

my $parser = gle_numerals();

# }}}

# {{{ w2n                                         convert text to number
#
sub w2n :Export {
    my $input = shift // return;

    # Normalise whitespace
    $input =~ s/\s+/ /g;
    $input =~ s/^\s+//;
    $input =~ s/\s+$//;

    # Remove optional "is" conjunction (alternative compound form)
    $input =~ s/\bis\b//g;
    $input =~ s/\s+/ /g;
    $input =~ s/^\s+//;
    $input =~ s/\s+$//;

    return 0 if $input eq 'náid';

    return $parser->numeral($input) || undef;
}
# }}}
# {{{ gle_numerals                                 create parser for numerals
#
sub gle_numerals {
    return Parse::RecDescent->new(q{
      numeral:
      numeral: million   { return $item[1]; }
        |      millenium { return $item[1]; }
        |      century   { return $item[1]; }
        |      decade    { return $item[1]; }
        |                { return undef; }

      number: 'a haon'     { $return = 1; }
        |     'a dó'       { $return = 2; }
        |     'a trí'      { $return = 3; }
        |     'a ceathair' { $return = 4; }
        |     'a cúig'     { $return = 5; }
        |     'a sé'       { $return = 6; }
        |     'a seacht'   { $return = 7; }
        |     'a hocht'    { $return = 8; }
        |     'a naoi'     { $return = 9; }
        |     'a deich'    { $return = 10; }

      teen: 'a dó dhéag'       { $return = 12; }
        |   'a haon déag'      { $return = 11; }
        |   'a trí déag'       { $return = 13; }
        |   'a ceathair déag'  { $return = 14; }
        |   'a cúig déag'      { $return = 15; }
        |   'a sé déag'        { $return = 16; }
        |   'a seacht déag'    { $return = 17; }
        |   'a hocht déag'     { $return = 18; }
        |   'a naoi déag'      { $return = 19; }

      tens: 'fiche'    { $return = 20; }
        |   'tríocha'  { $return = 30; }
        |   'daichead' { $return = 40; }
        |   'caoga'    { $return = 50; }
        |   'seasca'   { $return = 60; }
        |   'seachtó'  { $return = 70; }
        |   'ochtó'    { $return = 80; }
        |   'nócha'    { $return = 90; }

      decade: teen                                          # 11-19 first (longer match)
              { $return = $item[1]; }
        |     tens number(?)                                # 20-99
              { $return = 0;
                $return += $item[1];
                $return += ${$item[2]}[0] if ref $item[2] && defined ${$item[2]}[0];
              }
        |     number                                        # 1-10
              { $return = $item[1]; }

      hundreds: 'céad'         { $return = 100; }

      century: number(?) hundreds decade(?)                 # 100-999
               { $return = 0;
                 my $mult = (ref $item[1] && defined ${$item[1]}[0]) ? ${$item[1]}[0] : 1;
                 $return = $mult * 100;
                 $return += ${$item[3]}[0] if ref $item[3] && defined ${$item[3]}[0];
               }

    millenium: century(?) decade(?) 'míle' century(?) decade(?)
               { $return = 0;
                 for (@item) {
                   if (ref $_ && defined $$_[0]) {
                     $return += $$_[0];
                   } elsif (defined $_ && $_ eq 'míle') {
                     $return = ($return > 0) ? $return * 1000 : 1000;
                   }
                 }
               }

      million: century(?) decade(?)
               'milliún'
               millenium(?) century(?) decade(?)
               { $return = 0;
                 for (@item) {
                   if (ref $_ && defined $$_[0]) {
                     $return += $$_[0];
                   } elsif (defined $_ && $_ eq 'milliún') {
                     $return = ($return > 0) ? $return * 1000000 : 1000000;
                   }
                 }
               }

    });
}
# }}}

# {{{ capabilities              declare supported features

sub capabilities {
    return {
        cardinal => 1,
        ordinal  => 0,
    };
}

# }}}

1;

__END__