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#!/usr/bin/env perl
use warnings;
use strict;
use File::Basename;
use File::Temp qw/tempfile/;
use Getopt::Long "GetOptions";
my $COLLINS = "/exports/home/s0565741/work/bin/COLLINS-PARSER";
my $MXPOST = "/exports/home/s0565741/work/bin/mxpost";
my $TMPDIR = "tmp";
my $KEEP_TMP = 0;
my $RAW = undef;
my $BASIC = 0;
GetOptions(
"collins=s" => \$COLLINS,
"mxpost=s" => \$MXPOST,
"tmpdir=s" => \$TMPDIR,
"keep-tmp" => \$KEEP_TMP,
"raw=s" => \$RAW
) or die("ERROR: unknown options");
`mkdir -p $TMPDIR`;
# parser settings
my $MaxChar=10000;
my $MaxWord=120;
my $ParserBin="$COLLINS/code/parser";
my $ParserEvn="$COLLINS/models/model2/events.gz";
my $ParserGrm="$COLLINS/models/model2/grammar";
my ($scriptname, $directories) = fileparse($0);
my ($TMP, $tmpfile) = tempfile("$scriptname-XXXXXXXXXX", DIR=>$TMPDIR, UNLINK=>!$KEEP_TMP);
# tag and prepare input for parser
my $pipeline = "perl -ne 'use Encode; encode(\"iso-8859-1\", decode(\"utf8\", \$_)); print \$_;' |";
$pipeline .= "perl -ne 'tr/\\x20-\\x7f//cd; print \$_.\"\\n\";' | ";
$pipeline .= "$MXPOST/mxpost $MXPOST/tagger.project |";
open(TAG,$pipeline);
my $sentence_count=0;
while(<TAG>) {
if ($sentence_count % 2000 == 0) {
close(PARSER_IN) if $sentence_count;
open(PARSER_IN,sprintf(">%s.%05d",$tmpfile,$sentence_count/2000));
}
$sentence_count++;
chop;
# convert tagged sequence into parser format
my $line = &conv_posfmt($_);
# check char length or word length
$line = "1 SentenceTooLong NN" if (! &check_length($line));
# put to tmpfile
print PARSER_IN "$line\n";
}
close(TAG);
close(PARSER_IN);
# parse
for(my $i=0;$i * 2000 < $sentence_count;$i++) {
my $i_formatted = sprintf("%05d",$i);
`gunzip -c $ParserEvn | $ParserBin $tmpfile.$i_formatted $ParserGrm 10000 1 1 1 1 > $tmpfile.$i_formatted.out`;
}
# process output of parser
my $DEBUG = 0;
my $DEBUG_SPACE = " ";
open(PARSER,"cat $tmpfile.?????.out|");
while(my $line = <PARSER>) {
next unless $line =~ /^\(/;
if ($line =~ /SentenceTooLong/) {
print "\n";
next;
}
chop($line);
my @LABEL = ();
my @OUT = ();
for(my $i=0;$i<length($line);$i++) {
# print STDERR substr($line,$i)."\n";
if (substr($line,$i,1) eq "(") {
my ($label,$rest) = split(/[\( ]/,substr($line,$i+1));
print STDERR substr($DEBUG_SPACE,0,scalar @LABEL)."BEGINNING of $label\n" if $DEBUG;
$i+=length($label);
$label =~ s/\$/PUNC/g; # no $!
$label =~ s/\|/:/g; # moses does not like bars
$label =~ s/\~.+//; # no head node info
push @OUT,"<tree label=\"$label\">";
push @LABEL,$label;
$i++ if substr($line,$i+1,1) eq " ";
$i++ if substr($line,$i+1,1) eq " ";
}
elsif (substr($line,$i,1) eq ")") {
die("ERROR: NO LABEL ON STACK") unless @LABEL;
my $label = pop @LABEL;
print STDERR substr($DEBUG_SPACE,0,scalar @LABEL)."END of $label\n" if $DEBUG;
push @OUT,"</tree>";
$i++ if substr($line,$i+1,1) eq " ";
}
else {
my ($word,$rest) = split(/ /,substr($line,$i));
if (substr($line,$i,2) eq "\\)") {
$word = substr($line,$i,2);
}
$i+=length($word);
print STDERR substr($DEBUG_SPACE,0,scalar @LABEL)."WORD $word\n" if $DEBUG;
$word =~ /^(.+)\/([^\/]+)$/;
my ($w,$p) = ($1,$2);
$w = "(" if $w eq "-LRB-";
$w = ")" if $w eq "-RRB-";
$w = &escape($w);
$p =~ s/^-//;
$p =~ s/-$//;
push @OUT,"<tree label=\"$p\"> $w </tree>";
}
}
die("ERROR: STACK NOT EMPTY $#LABEL\n") if @LABEL;
my $first=1;
foreach (@OUT) {
print " " unless $first;
# s/\\//; #why?
print $_;
$first = 0;
}
print "\n";
}
sub escape {
my ($text) = @_;
$text =~ s/&/&/g;
$text =~ s/</</g;
$text =~ s/>/>/g;
return $text;
}
sub check_length {
my ($line) = @_;
my ($numc,$numw,@words);
return 0 if $line =~ /^\d+ [^a-z0-9]+$/i || $line eq "0" || $line eq "0 ";
$numc = length($line);
@words = split(" ",$line);
$numw = ($#words+1)/2;
return ($numc <= $MaxChar) && ($numw <= $MaxWord);
}
sub conv_posfmt {
my ($line) = @_;
my ($sep,$ret,$w,$i,$w1,$w2,$numw);
# find the last '_' for each word, and replace it with ' '
$ret=""; $sep=""; $numw=0;
for $w (split(" ",$line)) {
$i = rindex($w,"_");
$w1 = substr($w,0,$i); # before _
$w2 = substr($w,$i+1); # after _
$ret .= "$sep$w1 $w2";
$sep = " "; $numw++;
}
$ret = "$numw $ret";
# also convert '()' into -LRB- and -RRB-
$ret =~ s/\(/-LRB-/g;
$ret =~ s/\)/-RRB-/g;
$ret;
}
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