#
# CHISE.pm by Shigeki Moro
-# $Id: CHISE.pm,v 1.2 2003-02-23 09:17:19 moro Exp $
+# $Id: CHISE.pm,v 1.6 2003-10-08 13:30:28 moro Exp $
#
package CHISE;
use strict;
-use BerkeleyDB;
+use warnings;
+use utf8;
+use DB_File;
-my $DB_HOME = '/usr/local/lib/xemacs-21.4.10/i686-pc-linux/char-db';
+our ($EXCLUSIVE, $HAVE_INTERSECTION, $PROPER_SUBSET, $PROPER_SUPERSET, $EQSET);
+($EXCLUSIVE, $HAVE_INTERSECTION, $PROPER_SUBSET, $PROPER_SUPERSET, $EQSET)
+ = (1, 2, 3, 4, 5);
+
+# データベースの場を指。いずれはlibchiseに...
+# データベースの全ファイルをchownしないとえないかも
+my $DB_HOME='';
+if (-e '/usr/local/lib/chise/char-db') {
+ $DB_HOME = '/usr/local/lib/chise/char-db';
+} elsif (-e '/sw/lib/xemacs-21.4.11/powerpc-apple-darwin6.6/char-db') {
+ $DB_HOME = '/sw/lib/xemacs-21.4.11/powerpc-apple-darwin6.6/char-db';
+} elsif (-e '/usr/local/lib/xemacs-21.4.11/i686-pc-linux/char-db') {
+ $DB_HOME = '/usr/local/lib/xemacs-21.4.11/i686-pc-linux/char-db';
+} elsif (-e '/usr/local/lib/xemacs-21.4.11/powerpc-apple-darwin6.4/char-db') {
+ $DB_HOME = '/usr/local/lib/xemacs-21.4.11/powerpc-apple-darwin6.4/char-db';
+} elsif (-e '/usr/local/xemacs-utf2000/lib/xemacs-21.4.11/powerpc-apple-darwin6.4/char-db'){
+ $DB_HOME = '/usr/local/xemacs-utf2000/lib/xemacs-21.4.11/powerpc-apple-darwin6.4/char-db';
+} elsif (-e '/usr/local/lib/xemacs-21.4.10/i686-pc-linux/char-db') {
+ $DB_HOME = '/usr/local/lib/xemacs-21.4.10/i686-pc-linux/char-db';
+} elsif (-e '/usr/local/lib/xemacs-21.4.10/powerpc-apple-darwin6.4/char-db') {
+ $DB_HOME = '/usr/local/lib/xemacs-21.4.10/powerpc-apple-darwin6.4/char-db';
+} elsif (-e '/usr/local/xemacs-utf2000/lib/xemacs-21.4.10/powerpc-apple-darwin6.4/char-db'){
+ $DB_HOME = '/usr/local/xemacs-utf2000/lib/xemacs-21.4.10/powerpc-apple-darwin6.4/char-db';
+} elsif (-e 'd:/work/chise/char-db'){
+ $DB_HOME = 'd:/work/chise/char-db';
+} else {
+ print STDERR "CHISE.pm: No database found.\n";
+ print STDERR "CHISE.pm: Please set \$DB_HOME to CHISE.pm.\n";
+ exit 1;
+}
my %alias = ();
my %alias_reverse = ();
for (glob "$DB_HOME/system-char-id/*") {
s/^.*\/([^\/]+)$/$1/;
my $i = $_;
- s/\->/to_/;
- s/<\-/from_/;
- s/=>/map_/;
+ s/^\->/to_/; # Perlではリファレンスに
+ s/^<\-/from_/; # "-" などがえないため、しておく。
+ s/^=>/mapto/;
+ s/^=//;
s/\-/_/g;
$alias{$_} = $i;
$alias_reverse{$i} = $_;
#--- exportする予の関数 -------------------------------------#
-sub new {
+sub new (@) {
# 既存の字オブジェクトの生成
my $invocant = shift;
my $class = ref($invocant) || $invocant;
#}
sub compare {
- # 字オブジェクトと比
+ # 字オブジェクトどうしを比して、
+ # 合の重なり具合をす。
+ my($a, $b) = @_;
+ my($aonly, $bonly, $common) = (0, 0, 0);
+ for my $i (&cup(keys %$a, keys %$b)) {
+ if (exists $a->{$i} and exists $b->{$i}) {
+ if ($a->{$i} eq $b->{$i}) {
+ $common++;
+ } else {
+ $aonly++ if (exists $a->{$i});
+ $bonly++ if (exists $b->{$i});
+ }
+ } else {
+ $aonly++ if (exists $a->{$i});
+ $bonly++ if (exists $b->{$i});
+ }
+ }
+ if ($common == 0) {
+ return $EXCLUSIVE; # 他
+ } elsif ($aonly == 0 and $bonly == 0) {
+ return $EQSET; # 全一致
+ } elsif ($aonly == 0) {
+ return $PROPER_SUBSET; # $aは$bの合
+ } elsif ($bonly == 0) {
+ return $PROPER_SUPERSET; # $bは$aの合
+ } else {
+ return $HAVE_INTERSECTION;
+ }
+}
+
+sub rate_of_coincidence {
+ # 字オブジェクトどうしの属性の一致を出す。
my($a, $b) = @_;
my($all_attr, $common_attr) = (0, 0);
for my $i (&cup(keys %$a, keys %$b)) {
my @tmp = ();
my $dbname = exists $alias{$attrname} ? $alias{$attrname} : $attrname;
if (-f "$DB_HOME/$dbname/system-char-id") {
- @tmp = (&getvalue("$DB_HOME/$dbname/system-char-id", $$self{$attrname}));
+ @tmp = (&getvalue("$DB_HOME/$dbname/system-char-id", $self->{$attrname}));
@result = &cap(\@result, \@tmp);
} elsif (-f "$DB_HOME/system-char-id/$dbname") {
- @tmp = &getkeys("$DB_HOME/system-char-id/$dbname", $$self{$attrname});
+ @tmp = &getkeys("$DB_HOME/system-char-id/$dbname", $self->{$attrname});
@result = &cap(\@result, \@tmp);
} else {
die "cannot find $attrname: $! $BerkeleyDB::Error\n";
sub getvalue ($$) {
# キーから値をり出す
- my($dbname, $key) = @_;
- tie my %h, "BerkeleyDB::Hash",
- -Filename => $dbname;
- my $value = $h{$key};
+ my ($chise_dbname, $key) = @_;
+ my $value = '';
+ tie (my %h, "DB_File", $chise_dbname, O_RDWR)
+ or die "Cannot open file $chise_dbname: $!\n";
+ $value = $h{$key};
untie %h;
return $value;
}
sub getkeys ($$) {
# 値からキーの配列をり出す
- my($dbname, $value) = @_;
- tie my %h, "BerkeleyDB::Hash",
- -Filename => $dbname;
+ my ($chise_dbname, $value) = @_;
+ tie (my %h, "DB_File", $chise_dbname, O_RDWR, , $DB_BTREE)
+ or die "Cannot open file $chise_dbname: $!\n";
my @keys = ();
for my $key (keys %h) {
+ next unless (exists $h{$key});
push @keys, $key if ($h{$key} eq $value);
}
untie %h;
return @keys;
}
+
sub cap {
# 2つの配列の積合を求める
my($a, $b) = @_;