#!/usr/bin/perl

use strict;
use warnings;

use XML::Twig;

my %trans = (        
        "t'i" =>'ти',
        "t'a" =>'тя',
        "t'u" =>'тю',
        "t'e" =>'те',
#It continues like this for several hundred lines, this is just a snippet. So it just goes through all character combinations and turns the text to cyrillic.
);

# Actual Translation Logic:
my @signs = sort {length($b) <=> length($a)} keys %trans;
@signs = map quotemeta($_), @signs;
my $re = join '|', @signs, '.'; 


XML::Twig->new( twig_roots => 
    {  q{TIER[@LINGUISTIC_TYPE_REF='orthT' and @PARENT_REF='ref@S1' and @PARTICIPANT='S1' and @TIER_ID='orth@S1']/ANNOTATION/REF_ANNOTATION/ANNOTATION_VALUE}
          => sub { my $in= $_->text; #warn "called text: ", $_->text, "\n";
                   $in=~ s/($re)/exists($trans{$1}) ? $trans{$1} : $1/geo; 
                   $_->set_text( $in);
                   $_->print;
                 },
    },
       twig_print_outside_roots => 1,
               )
         ->parsefile( 'in.xml');