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#!/usr/bin/env perl
#
# This file is part of moses. Its use is licensed under the GNU Lesser General
# Public License version 2.1 or, at your option, any later version.
# $Id$
use warnings;
use strict;
my @LINE = <STDIN>;
print "# Moses configuration file\n";
print "# automatic exodus from pharaoh.ini ".`date`;
print "\n";
# replicate the old header
my $header = 0;
while($LINE[$header] =~ /^$/ || $LINE[$header] =~ /^\#/) {
$header++;
}
for(my $i=0;$i<$header;$i++) { print $LINE[$i]; }
# read Pharaoh parameters that will be absorbed
my(@LMODEL_TYPE, @DISTORTION_TYPE);
for(my $i=$header;$i<=$#LINE;$i++) {
# language model specification
if ($LINE[$i] =~ /^\[lmodel-type\]/) {
$i = &read(\@LMODEL_TYPE,$i);
foreach (@LMODEL_TYPE) {
$_ = "3gram" if $_ eq "normal";
$_ = "3gram-".$_ unless /\d/;
$_ =~ s/gram//;
}
}
# distortion model specification
elsif ($LINE[$i] =~ /^\[distortion-type\]/) {
my @DT;
$i = &read(\@DT,$i);
foreach (@DT) {
next if /distance/;
s/orientation/msd/;
s/monotonicity/monotone/;
push @DISTORTION_TYPE,$_;
}
}
}
# adapt/replicate Pharaoh parameters
for(my $i=$header;$i<=$#LINE;$i++) {
# parameters to be dropped
if ($LINE[$i] =~ /^\[lmodel-type\]/) {
my @DUMMY;
$i = &read(\@DUMMY,$i);
}
#
elsif ($LINE[$i] =~ /^\[distortion-type\]/) {
my @DISTORTION_TYPE;
$i = &read(\@DISTORTION_TYPE,$i);
foreach (@DISTORTION_TYPE) {
next if /distance/;
s/orientation/msd/;
s/monotonicity/monotone/;
s/unidirectional/backward/;
}
}
# parameters to be changed
elsif ($LINE[$i] =~ /^\[lmodel-file\]/) {
print $LINE[$i];
# add language model type, factors
my @LMODEL_FILE;
$i = &read(\@LMODEL_FILE,$i);
for(my $j=0;$j<=$#LMODEL_FILE;$j++) {
print "0 0 ";
if (defined($LMODEL_TYPE[$j])) {
print $LMODEL_TYPE[$j];
}
else {
print "3";
}
print " $LMODEL_FILE[$j]\n";
}
print "\n";
}
elsif ($LINE[$i] =~ /^\[ttable-file\]/) {
print $LINE[$i];
# add factors
my @TTABLE_FILE;
$i = &read(\@TTABLE_FILE,$i);
my $first_line;
if (-e $TTABLE_FILE[0]) {
if ($TTABLE_FILE[0] =~ /\.gz$/) {
$first_line = `zcat $TTABLE_FILE[0] | head -1`;
}
else {
$first_line = `head -1 $TTABLE_FILE[0]`;
}
}
elsif (-e $TTABLE_FILE[0].".gz") {
$first_line = `zcat $TTABLE_FILE[0] | head -1`;
}
else {
print STDERR "ERROR: Thou shalt have a translation table in '$TTABLE_FILE[0]'\n";
exit;
}
chop($first_line);
my ($f,$e,$p) = split(/ \|\|\| /,$first_line);
$p =~ s/ +/ /g; $p =~ s/^ //; $p =~ s/ $//;
my @P = split(/ /,$p);
my $p_count = scalar @P;
print "0 0 $p_count $TTABLE_FILE[0]\n\n";
}
elsif ($LINE[$i] =~ /^\[distortion-file\]/) {
print $LINE[$i];
my @DISTORTION_FILE;
$i = &read(\@DISTORTION_FILE,$i);
for(my $j=0;$j<=$#DISTORTION_FILE;$j++) {
if (!defined($DISTORTION_TYPE[$j])) {
die("ERROR: no distortion type specified for distortion file $DISTORTION_FILE[$j]\n");
}
my $weight_count = 2;
$weight_count++ if $DISTORTION_TYPE[$j] =~ /msd/;
$weight_count*=2 if $DISTORTION_TYPE[$j] =~ /fe/;
print "0-0 $DISTORTION_TYPE[$j] $weight_count $DISTORTION_FILE[$j]\n";
}
print "\n";
}
elsif ($LINE[$i] =~ /\# distortion \(reordering\) type/) {}
else {
# keep unchanged
print $LINE[$i];
}
}
# add Moses-specific configuration
print "\n[input-factors]\n0\n\n";
print "[mapping]\nT 0\n\n";
# sub: read values for one parameter
sub read {
my ($VALUE,$i) = @_;
$i++;
while($i<=$#LINE && $LINE[$i] !~ /^\[/) {
if ($LINE[$i] !~ /^\s*$/ && # ignore comments and empty lines
$LINE[$i] !~ /^\#/) {
# store value
my $line = $LINE[$i];
chop($line);
push @{$VALUE},$line;
}
$i++;
}
$i--;
# leave comments above next parameter
while($LINE[$i] =~ /^\#/) { $i--; }
return $i;
}
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