forked from GitHub/gf-core
bjorn
454 lines
12 KiB
Perl
454 lines
12 KiB
Perl
#! /usr/bin/perl -w
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#
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# Perl script to process OALD machine-readable ASCII file
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# into a GF lexicon
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#
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# Usage: ./asc2gf < ascii_0710-1.txt
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#
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# Bjorn Bringert 2008,
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# based on asc2lex by
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# Matthew Purver, 11/2001
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use strict;
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my %irregular_verbs = ();
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my %words = ();
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my $irreg_eng = "../../english/IrregEng.gf";
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open(IRREG_ENG,"$irreg_eng") or die "Could not open $irreg_eng\n";
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while (<IRREG_ENG>) {
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if (s/\s*([a-z\d]+)_V\s*=.*/$1/) {
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chomp;
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$irregular_verbs{$_} = 1;
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}
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}
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close IRREG_ENG;
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print "Known irregular verbs from $irreg_eng:\n";
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print join(",", keys %irregular_verbs) . "\n";
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# skip header section
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while ( <STDIN> ) {
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last if /<\/TEIHEADER>/;
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}
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# read a line from stdin
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while ( my $line = <STDIN> ) {
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# remove SGML tags
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$line =~ s/<[^<>]+>//g;
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# split line into fields according to spec (line may be empty now)
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if ( $line =~ /^(.{23}).{23}(.{23}).{1}(.{58})$/ ) {
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my ( $word, $pos, $cat ) = ( $1, $2, $3 );
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# trim white space
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for ( ( $word, $pos, $cat ) ) {
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s/\s*$//;
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}
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# make word lower-case
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$word =~ tr/A-Z/a-z/; # lower case
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# translate OALD diacritics
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$word =~ s/~n/ñ/g;
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$word =~ s/<c/ç/g;
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$word =~ s/"a/ä/g;
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$word =~ s/"o/ö/g;
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$word =~ s/"u/ü/g;
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$word =~ s/"i/ï/g;
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$word =~ s/\^a/â/g;
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$word =~ s/\^e/ê/g;
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$word =~ s/\^o/ô/g;
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$word =~ s/`a/à/g;
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$word =~ s/`e/è/g;
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$word =~ s/_e/é/g;
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# make legal identifier
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# Note: in theory this could cause clashes, but I don't think it does
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# with the OALD.
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my $name = $word;
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$name =~ s/ /_/g; # space -> _
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$name =~ s/-/_/g; # - -> _
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$name =~ s/\./_/g; # . -> _
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$name =~ s/^'//; # drop initial '
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# get PoS & subcat info
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my @pos = split( /,/, $pos );
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$cat =~ s/,/\',\'/g;
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( $cat = "\'$cat\'" ) unless ( $cat eq '' );
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foreach ( @pos ) {
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my ( $pcode, $infl, $freq )=split(//);
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# for verbs, get inflected forms
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if ( $pcode =~ /^[GHIJ]/ ) {
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$pos = 'verb';
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my ($vbz, $vbg, $vbd);
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# if this is a root form, work out the inflected forms
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if ( $infl =~ /^\d/ ) {
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if ( $infl == 0 ) {
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( $vbz = $word ) =~ s/$/s/;
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( $vbg = $word ) =~ s/$/ing/;
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( $vbd = $word ) =~ s/$/ed/;
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}
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elsif ( $infl == 1 ) {
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( $vbz = $word ) =~ s/$/es/;
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( $vbg = $word ) =~ s/$/ing/;
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( $vbd = $word ) =~ s/$/ed/;
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}
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elsif ( $infl == 2 ) {
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( $vbz = $word ) =~ s/e$/es/;
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( $vbg = $word ) =~ s/e$/ing/;
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( $vbd = $word ) =~ s/e$/ed/;
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}
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elsif ( $infl == 3 ) {
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( $vbz = $word ) =~ s/y$/ies/;
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( $vbg = $word ) =~ s/y$/ying/;
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( $vbd = $word ) =~ s/y$/ied/;
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}
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elsif ( $infl == 4 ) {
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( $vbz = $word ) =~ s/$/s/;
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( $vbg = $word ) =~ s/(\w)$/$1$1ing/;
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( $vbd = $word ) =~ s/(\w)$/$1$1ed/;
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}
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elsif ( $infl == 5 ) {
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# for irregulars, just mark as such for now, we'll guess later
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$vbz = 'IRREG';
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$vbg = 'IRREG';
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$vbd = 'IRREG';
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}
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my $lin = "mkV \"$word\" \"$vbz\" \"$vbd\" \"$vbd\" \"$vbg\"";
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# try to use a verb from IrregEng
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if ( $infl == 5 ) {
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for (my $i = 0; $i < length($word) - 1; $i++) {
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my $suffix = substr($word, $i);
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if ($irregular_verbs{$suffix}) {
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if ($i == 0) {
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$lin = "IrregEng.${name}_V";
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} else {
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my $prefix = substr($word, 0, $i);
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$lin = "mkV \"$prefix\" IrregEng.${suffix}_V";
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}
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last;
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}
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}
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}
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if ($pcode eq 'G') {
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#add_word("${name}_VX", "mkVX ($lin)");
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print STDERR "Ignoring anomalous verb: $name\n";
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}
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if ($pcode eq 'I' || $pcode eq 'J') {
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add_word("${name}_V", "$lin");
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}
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if ($pcode eq 'H' || $pcode eq 'J') {
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add_word("${name}_V2", "mkV2 ($lin)");
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}
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}
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# if this is an inflected form, save for guessing irregulars later
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elsif ( $infl =~ /^a/ ) {
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#push( @vbz, $word );
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}
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elsif ( $infl =~ /^b/ ) {
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#push( @vbg, $word );
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}
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elsif ( $infl =~ /^c/ ) {
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#push( @vbd, $word );
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}
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elsif ( $infl =~ /^d/ ) {
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#push( @vbn, $word );
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}
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}
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# for nouns, get plural form
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elsif( $pcode =~ /^[KLMNY]/ ) {
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$pos = 'noun';
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$pcode =~ s/^K/count/;
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$pcode =~ s/^L/mass/;
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$pcode =~ s/^M/both/;
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$pcode =~ s/^N/proper/;
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if ( $pcode =~ /^Y/ ) {
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$pcode = 'count' if $infl =~ /^[>\)\]]/;
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$pcode = 'mass' if $infl =~ /^\}/;
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$pcode = 'proper' if $infl =~ /^[:=~]/;
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}
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# if this is a singular form, work out plural form
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unless ( $infl =~ /^j/ ) {
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my $pl = '-';
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if ( $infl eq '6' ) {
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( $pl = $word ) =~ s/$/s/;
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}
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elsif ( $infl eq '7' ) {
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( $pl = $word ) =~ s/$/es/;
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}
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elsif ( $infl eq '8' ) {
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( $pl = $word ) =~ s/y$/ies/;
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}
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elsif ( $infl =~ /^[9k\]]/ ) {
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$pl = $word;
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}
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elsif ( $infl =~ /^i/ ) {
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# for irregulars, let's just make a guess and mark with '*'
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# this could be done better, as for verbs, but I can't be bothered now
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$pl = $word;
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( $pl =~ s/^((wo)?m)an/$1en\*/ ) or
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( $pl =~ s/man(-|$)/men$1\*/ ) or
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( $pl =~ s/-in-law/s-in-law\*/ ) or
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( $pl =~ s/um$/a\*/ ) or
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( $pl =~ s/us$/i\*/ ) or
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( $pl =~ s/a$/ae\*/ ) or
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( $pl =~ s/on$/a\*/ ) or
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( $pl =~ s/is$/es\*/ ) or
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( $pl =~ s/o$/i\*/ ) or
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( $pl =~ s/child$/children\*/ ) or
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( $pl =~ s/oot$/eet\*/ ) or
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( $pl =~ s/ooth$/eeth\*/ ) or
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( $pl =~ s/([lm])ouse$/$1ice\*/ ) or
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( $pl =~ s/f(e)?$/ves\*/ ) or
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( $pl =~ s/[ei]x$/ices\*/ ) or
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( $pl =~ s/eau$/eaux\*/ ) or
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( $pl = 'IRREG' );
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}
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# if plural-only, swap root form & plural
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elsif ( $infl =~ /^\)/ ) {
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$pl = $word;
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$word = '-';
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}
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( $infl =~ s/^[:l]/per/ ) or ( $infl =~ s/^[mn]/loc/ ) or ( $infl = '_' );
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my $comment = "";
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if ( $word eq '-' ) {
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$comment .= " {- FIXME: no singular form -}";
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}
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if ( $pl eq '-' ) {
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$comment .= " {- FIXME: no plural form -}";
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}
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if ( $pl =~ s/\*$// ) {
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$comment .= " {- FIXME: guessed plural form -}";
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}
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if ( $pcode eq 'proper' ) {
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add_word("${name}_PN", "mkPN \"$word\"");
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} else {
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add_word("${name}_N", "mkN \"$word\" \"$pl\"$comment");
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}
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}
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}
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# for adjectives, get comparative & superlative forms
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elsif( $pcode =~ /^O/ ) {
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$pos = 'adj';
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# if this is root form, work out inflected forms
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unless ( $infl =~ /^[rs]/ ) {
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my ($comp, $sup);
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if ( $infl =~ /^[Apqt]/ ) {
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$comp = $sup = '-';
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}
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elsif ( $infl =~ /^B/ ) {
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( $comp = $word ) =~ s/$/r/;
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( $sup = $word ) =~ s/$/st/;
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}
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elsif ( $infl =~ /^C/ ) {
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( $comp = $word ) =~ s/$/er/;
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( $sup = $word ) =~ s/$/est/;
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}
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elsif ( $infl =~ /^D/ ) {
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( $comp = $word ) =~ s/y$/ier/;
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( $sup = $word ) =~ s/y$/iest/;
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}
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elsif ( $infl =~ /^E/ ) {
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# for irregulars, let's just have a guess and mark with '*'
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# (there aren't very many of these)
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( $comp = $word ) =~ s/(\w)$/$1$1er\*/;
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( $sup = $word ) =~ s/(\w)$/$1$1est\*/;
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}
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$infl =~ s/^[ABCDE]/normal/;
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$infl =~ s/^p/pred/;
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$infl =~ s/^q/attr/;
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$infl =~ s/^t/affix/;
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if ( $comp eq '-' ) {
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add_word("${name}_A", "compoundA (mkA \"$word\")");
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} else {
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add_word("${name}_A", "mkA \"$word\" \"$comp\"");
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}
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}
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}
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# adverb
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elsif( $pcode =~ /^P/ ) {
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$pos = 'adv';
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$infl =~ s/^[u\+]/normal/;
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$infl =~ s/^w/whrel/;
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$infl =~ s/^v/whq/;
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add_word("${name}_Adv", "mkAdv \"$word\"");
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}
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# pronoun
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elsif( $pcode =~ s/^Q/_/ ) {
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$pos = 'pron';
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$infl =~ s/^x/normal/;
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$infl =~ s/^y/whq/;
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$infl =~ s/^z/whrel/;
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my $class = '_';
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# reflexive pronouns
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if ( ( $word =~ /self$/ ) or
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( $word =~ /selves$/ ) ) {
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$pcode = 'acc';
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}
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# accusative personal pronouns
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if ( ( $word =~ /^him/ ) or
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( $word =~ /^her/ ) or
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( $word =~ /^them/ ) or
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( $word eq 'us' ) or
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( $word eq 'thee' ) or
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( $word eq 'me' ) ) {
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$pcode = 'acc';
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$class = 'per';
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}
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# nominative personal pronouns
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if ( ( $word eq 'he' ) or
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( $word eq 'she' ) or
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( $word eq 'they' ) or
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( $word eq 'we' ) or
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( $word eq 'thou' ) or
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( $word eq 'i' ) ) {
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$pcode = 'nom';
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$class = 'per';
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}
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# other personal pronouns
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if ( ( $word =~ /.+one/ ) or
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( $word =~ /one.+/ ) or
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( $word =~ /body/ ) or
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( $word =~ /^you/ ) or
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( $word =~ /^who/ ) ) {
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$class = 'per';
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}
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# non-personal pronouns
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if ( $word =~ /thing/ ) {
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$class = 'nper';
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}
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# otherwise case/person info will be '_' (anon variable)
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# add full spec to @pron array
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#push( @pron, "$pos( \'$word\', $pcode, $infl, $class ).\n" );
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}
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# for determiners, leave anon variable as placeholder for semantics
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elsif( $pcode =~ /^[RS]/ ) {
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$pos = 'det';
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$pcode =~ s/^R/def/;
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$pcode =~ s/^S/indef/;
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#add_word("${name}_Det","mkDeterminer \"$word\"");
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}
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# for prepositions - nothing to say
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elsif( $pcode =~ s/^T/prep/ ) {
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$pos = 'prep';
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add_word("${name}_Prep","mkPrep \"$word\"");
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}
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# for conjunctions - nothing to say
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elsif( $pcode =~ s/^V/conj/ ) {
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$pos = 'conj';
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add_word("${name}_Conj","mkConj \"$word\"");
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}
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# for miscellaneous, leave '-' as placeholder for illocutionary info
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elsif( $pcode =~ /^[UWXZ]/ ) {
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$pos = 'misc';
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#push( @prefix, "$pos( \'$word\', $pcode, '-' ).\n" ) if ( $pcode =~ s/^U/prefix/ );
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#push( @interj, "$pos( \'$word\', $pcode, '-' ).\n" ) if ( $pcode =~ s/^W/interj/ );
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#push( @partcl, "$pos( \'$word\', $pcode, '-' ).\n" ) if ( $pcode =~ s/^X/partcl/ );
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#push( @unknown, "$pos( \'$word\', $pcode, '-' ).\n" ) if ( $pcode =~ s/^Z/unknown/ );
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}
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}
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}
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}
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my $absfile = "Oald.gf";
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my $cncfile = "OaldEng.gf";
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my $abs_structfile = "OaldStructural.gf";
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my $cnc_structfile = "OaldStructuralEng.gf";
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open (ABS, '>', $absfile);
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open (CNC, '>', $cncfile);
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open (ABS_STRUCTURAL, '>', $abs_structfile);
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open (CNC_STRUCTURAL, '>', $cnc_structfile);
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# print a nice comment at the top
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my $header = "-- English lexicon for GF, produced from:\n"
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. "-- Oxford advanced learner's dictionary of current English:\n"
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. "-- expanded 'computer usable' version compiled by Roger Mitton\n"
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. "-- The computer usable version is transcribed from:\n"
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. "-- Oxford advanced learner's dictionary of current English\n"
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. "-- A.S. Hornby ; with the assistance of A.P. Cowie [and] J. Windsor Lewis.\n"
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. "-- 3rd. ed., London : Oxford University Press, 1974.\n"
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. "-- Distributed as 'dict0710' by:\n"
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. "-- Oxford Text Archive\n"
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. "-- Oxford University Computing Services\n"
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. "-- 13 Banbury Road\n"
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. "-- Oxford\n"
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. "-- OX2 6NN\n"
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. "-- Under these conditions:\n"
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. "-- Freely available for non-commercial use provided that this header is\n"
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. "-- included in its entirety with any copy distributed.\n"
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. "--\n"
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. "-- GF version generated by asc2gf, Bjorn Bringert Nov 2008\n"
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. "-- based on asc2lex, Matthew Purver Nov 2001\n"
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. "-- http://www.stanford.edu/~mpurver/software.html\n"
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. "\n";
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print ABS $header;
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print ABS "abstract Oald = Cat ** {\n";
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print CNC $header;
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print CNC "--# -path=.:alltenses\n";
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print CNC "concrete OaldEng of Oald = CatEng ** open ParadigmsEng, IrregEng in {\n";
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print ABS_STRUCTURAL $header;
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print ABS_STRUCTURAL "abstract OaldStructural = Cat ** {\n";
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print CNC_STRUCTURAL $header;
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print CNC_STRUCTURAL "--# -path=.:alltenses\n";
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print CNC_STRUCTURAL "concrete OaldStructuralEng of OaldStructural = CatEng ** open ParadigmsEng in {\n";
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foreach my $name (sort (keys %words)) {
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(my $cat = $name) =~ s/.*_([A-Z][A-Za-z\d]*)$/$1/;
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my $lin = $words{$name};
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if ( $cat =~ /^(A)|(N)|(V)|(V2)$/ ) {
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print ABS "fun $name : $cat;\n";
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print CNC "lin $name = $lin;\n";
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} else {
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print ABS_STRUCTURAL "fun $name : $cat;\n";
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print CNC_STRUCTURAL "lin $name = $lin;\n";
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}
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}
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print ABS "}";
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print CNC "}";
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print ABS_STRUCTURAL "}";
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print CNC_STRUCTURAL "}";
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close(ABS_STRUCTURAL);
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close(CNC_STRUCTURAL);
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close(ABS);
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close(CNC);
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print "\nWrote open lexicon to $absfile and $cncfile\n";
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print "Wrote closed lexicon to $abs_structfile and $cnc_structfile\n";
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sub add_word {
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my ($name,$lin) = @_;
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if (exists $words{$name}) {
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print STDERR "Duplicate word: $name\n";
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} else {
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$words{$name} = $lin;
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}
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}
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