From c6ce21a8f241d028c5df5c3275df264b1857fe23 Mon Sep 17 00:00:00 2001
From: in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Thu, 3 Jul 2003 05:49:06 +0000
Subject: move BBSFileHeader.pm to util/

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@1002 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 util/BBSFileHeader.pm | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 util/BBSFileHeader.pm

(limited to 'util')

diff --git a/util/BBSFileHeader.pm b/util/BBSFileHeader.pm
new file mode 100644
index 00000000..e9cf3cdd
--- /dev/null
+++ b/util/BBSFileHeader.pm
@@ -0,0 +1,58 @@
+#!/usr/bin/perl
+package BBSFileHeader;
+use strict;
+use IO::Handle;
+use Data::Dumper;
+
+use fields qw/dir fh cache/;
+
+sub TIEHASH
+{
+    my($class, $dir) = @_;
+    my $self = fields::new($class);
+
+    open $self->{fh}, "<$dir/.DIR";
+    return undef if( !$self->{fh} );
+
+    $self->{dir} = $dir;
+    return $self;
+}
+
+sub FETCH
+{   
+    my($self, $k) = @_;
+
+    return $self->{dir} if( $k eq 'dir' );
+    return ((-s "$self->{dir}/.DIR") / 128) if( $k eq 'num' );
+
+    my($num, $key) = $k =~ /(.*)\.(.*)/;
+    my($t, %h);
+
+    $num += $self->FETCH('num')	if( $num < 0 );
+
+    return $self->{cache}{$num}{$key} if( $self->{cache}{$num}{$key} );
+
+    seek($self->{fh}, $num * 128, 0);
+    $self->{fh}->read($t, 128);
+
+    if( $key eq 'isdir' ){
+	my $fn = "$self->{dir}/" . $self->FETCH("$num.filename");
+	return (-d $fn);
+    }
+    elsif( $key eq 'content' ){
+	my $fn = "$self->{dir}/" . $self->FETCH("$num.filename");
+	return `/bin/cat $fn`;
+    }
+    else{
+	($h{filename}, $h{recommend}, $h{owner}, $h{date}, $h{title},
+	 $h{money}, undef, $h{filemode}) =
+	    unpack('Z33cZ14Z6Z65iCC', $t);
+	$h{title} = substr($h{title}, 3);
+	$self->{cache}{$num}{$_} = $h{$_}
+	    foreach( 'filename', 'owner', 'date',
+		     'title', 'money', 'filemode' );
+	return $h{$key};
+    }
+}
+
+1;
-- 
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