From: moro <moro>
Date: Mon, 6 Oct 2003 13:43:43 +0000 (+0000)
Subject: add scripts for chise-like regex
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ec13b64410df5e2e44417f44dc3d58c78d93bca;p=chise%2Fperl.git

add scripts for chise-like regex
---

diff --git a/CHISE_REG.pm b/CHISE_REG.pm
new file mode 100644
index 0000000..ab97e8e
--- /dev/null
+++ b/CHISE_REG.pm
@@ -0,0 +1,65 @@
+package CHISE_REG;
+
+use strict;
+use warnings;
+use utf8;
+use overload;
+
+sub import {
+  overload::constant ( 'qr' => \&ChiseLikeRegex )
+}
+
+sub unimport {
+  overload::remove_constant
+}
+
+# データベースの場ø½Š ã‚’ø½Š©³ø½Š¤™æŒ‡ø½ŠªŸã€‚いずれはlibchiseに...
+# データベースの全ファイルをchownしないとø»‚¢³ãˆãªã„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'){
+  $DB_HOME = 'd:/work/chise/char-db';
+} else {
+  print STDERR "CHISE.pm: No database found.\n";
+  print STDERR "CHISE.pm: Please set \$DB_HOME to CHISE.pm.\n";
+  exit 1;
+}
+
+#--- 正規表現のCHISE的拡張 ------------------------------------#
+
+sub ChiseLikeRegex ($) {
+# 正規表現のオーバーロード
+  my ($RegexLiteral) = @_;
+  #print STDERR "BEFORE: $RegexLiteral\n"; # for debug
+  $RegexLiteral
+    =~ s/\\same_([^_]+)_(\d)/(??{CHISE_REG->chise_backref(\$$2,'$1')})/g;
+  #print STDERR "AFTER:  $RegexLiteral\n"; # for debug
+  return $RegexLiteral;
+}
+
+sub chise_backref {
+  my $self = shift;
+  my ($backreference, $feature_name) = @_;
+  #print STDERR "backreference: $backreference\n"; # for debug
+  #print STDERR "feature name:  $feature_name\n";  # for debug
+  my $result = `./chisereg.pl $backreference $DB_HOME $feature_name`;
+  print STDERR $result, "\n"; # for debug
+  return "[$result]";
+}
+
+1;
diff --git a/chisereg.pl b/chisereg.pl
new file mode 100755
index 0000000..8d62f02
--- /dev/null
+++ b/chisereg.pl
@@ -0,0 +1,54 @@
+#!/usr/bin/perl
+#
+#
+
+use strict;
+use warnings;
+use DB_File;
+
+my ($key, $DB_HOME, $feature_name) = @ARGV;
+my $target = "$DB_HOME/system-char-id/$feature_name";
+my $value = &getvalue($target, "?$key");
+if ($value) {
+  #print STDERR "value: $value\n"; # for debug
+  my $result = '';
+  for $key (&getkeys($target, $value)) {
+    my $ucs_value = &getvalue("$DB_HOME/system-char-id/=ucs", $key);
+    if ($ucs_value) {
+      $key = sprintf "\\x\{%x\}", $ucs_value;
+      $result .= $key;
+    }
+  }
+  if ($result ne '') {
+    print STDOUT $result;
+  } else {
+    print STDOUT $key;
+  }
+} else {
+  #print STDERR "no values\n"; # for debug
+}
+
+sub getvalue ($$) {
+  # キーから値をø½Šž­ã‚Šå‡ºã™
+  my ($chise_dbname, $key) = @_;
+  my $value = '';
+  tie (my %h, "DB_File", $chise_dbname, O_RDWR)
+    or die "Cannot open file $chise_dbname: $!\n";
+  $value = $h{$key};
+  untie %h;
+  return $value;
+}
+
+sub getkeys ($$) {
+  # 値からキーの配列をø½Šž­ã‚Šå‡ºã™
+  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;
+}
diff --git a/sample3.pl b/sample3.pl
index d2ea710..1db4b76 100644
--- a/sample3.pl
+++ b/sample3.pl
@@ -1,9 +1,10 @@
-use CHISE;
+#!/usr/bin/perl -w
+use CHISE_REG;
 use utf8;
+#use re "debug";
 
-my $target = '山川';
-if ($target =~ /(.)\same_strokes_1/) {
-  print "matched!\n";
+if ('山川' =~ /(.)\same_total-strokes_1/) {
+  print STDERR "matched!\n";
 } else {
-  print "unmatched...\n";
+  print STDERR "unmatched...\n";
 }