1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
#!/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.
use warnings;
use strict;
use Getopt::Long "GetOptions";
use FindBin qw($RealBin);
use File::Basename;
use File::Temp qw/tempfile/;
my $BITPAR = "/exports/home/s0565741/work/bin/bitpar";
my $TMPDIR = "tmp";
my $SCRIPTS_ROOT_DIR = "$RealBin/../..";
my $DEESCAPE = "$SCRIPTS_ROOT_DIR/tokenizer/deescape-special-chars.perl";
my $DEBUG = 0;
my $BASIC = 0;
my $OLD_BITPAR = 0;
my $UNPARSEABLE = 0;
my $RAW = "";
GetOptions(
"basic" => \$BASIC,
"bitpar=s" => \$BITPAR,
"old-bitpar" => \$OLD_BITPAR,
"raw=s" => \$RAW,
"unparseable" => \$UNPARSEABLE
) or die("ERROR: unknown options");
`mkdir -p $TMPDIR`;
my ($scriptname, $directories) = fileparse($0);
my ($TMP, $tmpfile) = tempfile("$scriptname-XXXXXXXXXX", DIR=>$TMPDIR, UNLINK=>1);
if ($OLD_BITPAR)
{
open(INPUT,"$DEESCAPE | iconv -c -f UTF-8 -t iso-8859-1 |");
}
else
{
open (INPUT,"$DEESCAPE |");
}
while(<INPUT>)
{
my $hasWords = 0;
foreach (split)
{
if ($OLD_BITPAR)
{
s/\(/\*LRB\*/g;
s/\)/\*RRB\*/g;
}
print $TMP $_."\n";
$hasWords = 1;
}
if ($hasWords == 0) {
print $TMP " \n";
}
print $TMP "\n";
}
close($TMP);
my $pipeline = "cat $tmpfile | $BITPAR/BitPar/src/bitpar -ts '()' -s TOP -v $BITPAR/GermanParser/Tiger/grammar $BITPAR/GermanParser/Tiger/lexicon -u $BITPAR/GermanParser/Tiger/open-class-tags -w $BITPAR/GermanParser/Tiger/wordclass.txt |";
if ($RAW)
{
$pipeline .= "tee \"$RAW\" |";
}
if ($OLD_BITPAR)
{
$pipeline .= "iconv -c -t UTF-8 -f iso-8859-1 |";
}
open(PARSER,$pipeline);
while(my $line = <PARSER>) {
if ($line =~ /^No parse for/) {
if ($UNPARSEABLE) {
my $len = length($line);
$line = substr($line, 15, $len - 17);
$line = escape($line);
print $line;
}
print "\n";
next;
}
print STDERR $line if $DEBUG;
chop($line);
my @LABEL = ();
my @OUT = ();
for(my $i=0;$i<length($line);$i++) {
# print STDERR substr($line,$i)."\n";
if (substr($line,$i,4) eq "(*T*") {
my ($trace,$rest) = split(/\)/,substr($line,$i+1));
$i+=length($trace)+2;
$i++ if substr($line,$i+1,1) eq " ";
die("ERROR: NO LABEL FOR TRACE") unless @LABEL;
if (!$DEBUG) { pop @LABEL; pop @OUT; }
print STDERR substr(" ",0,scalar @LABEL-1)."REMOVING LABEL ".(pop @LABEL)." ".(pop @OUT)."\n" if $DEBUG;
}
elsif (substr($line,$i,1) eq "(") {
my ($label,$rest) = split(/[\( ]/,substr($line,$i+1));
print STDERR substr(" ",0,scalar @LABEL)."BEGINNING of $label\n" if $DEBUG;
$i+=length($label);
if (&is_aux_label($label)) {
# Discard auxiliary nodes. Since we don't create a <tree> node,
# any (non-auxiliary) subtrees will instead be attached to the
# parent (or closest non-auxiliary ancestor).
}
else {
if ($label =~ /^\\\$(,|.|Par)$/)
{
$label = "PUNC$1";
}
else
{
$label =~ s/\$/PUNC/g; # no $!
$label =~ s/\|/:/g; # moses does not like bars
$label =~ s/^[^A-Z]*([A-Z]+).*/$1/g if $BASIC; # basic labels only
}
push @OUT,"<tree label=\"$label\">";
}
push @LABEL,$label;
$i++ if substr($line,$i+1,1) eq " ";
$i++ if substr($line,$i+1,1) eq " ";
}
elsif (substr($line,$i,1) eq ")") {
die("ERROR: NO LABEL ON STACK") unless @LABEL;
my $label = pop @LABEL;
print STDERR substr(" ",0,scalar @LABEL)."END of $label\n" if $DEBUG;
if (!&is_aux_label($label)) {
push @OUT,"</tree>";
}
$i++ if substr($line,$i+1,1) eq " ";
}
elsif (substr($line,$i,3) eq "*T*") {
die("ERROR: NO LABEL FOR TRACE") unless @LABEL;
pop @LABEL;
pop @OUT;
#print "POPPING TRACE LABEL ", pop @OUT;
my ($trace,$rest) = split(/\)/,substr($line,$i+1));
$i+=length($trace)+1;
}
else {
my ($word,$rest) = split(/\)/,substr($line,$i));
if (substr($line,$i,2) eq "\\)") {
$word = substr($line,$i,2);
}
$i+=length($word)-1;
print STDERR substr(" ",0,scalar @LABEL)."WORD $word\n" if $DEBUG;
push @OUT,&escape($word);
}
}
die("ERROR: STACK NOT EMPTY $#LABEL\n") if @LABEL;
my $first=1;
foreach (@OUT) {
print " " unless $first;
s/\\//;
if ($OLD_BITPAR)
{
s/\*RRB\*/\)/g;
s/\*LRB\*/\(/g;
}
print $_;
$first = 0;
}
print "\n";
}
sub is_aux_label {
my ($label) = @_;
return ($label =~ /^\\<.*\\>$/);
}
sub escape {
my ($text) = @_;
$text =~ s/&/&/g;
$text =~ s/\|/|/g;
$text =~ s/</</g;
$text =~ s/>/>/g;
$text =~ s/'/'/g;
$text =~ s/"/"/g;
$text =~ s/\[/[/g;
$text =~ s/\]/]/g;
return $text;
}
|