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Current File : //compat/linux/proc/68247/root/usr/local/bin/vfnmz

#! /usr/local/bin/perl -w
# -*- Perl -*-
#
# vfnmz - program to preview search result with NMZ.field.* and NMZ.result.*
#
# Copyright (C) 1999 Satoru Takabayashi  All rights reserved.
# Copyright (C) 2001-2004 Namazu Project  All rights reserved.
#     This is free software with ABSOLUTELY NO WARRANTY.
#
use strict;

my $INDEX  = undef;
my $RESULT = "NMZ.result.normal";
my %FIELD_ALIASES = ('title' => 'subject', 'author' => 'from');

sub compose($$);

if (@ARGV == 0) {
    print <<EOFusage;
usage: vfnmz <index> [NMZ.result.foobar]
EOFusage
    exit(1);
}

if (defined($ARGV[0])) {
    $INDEX = $ARGV[0];
} 

if (defined($ARGV[1])) {
    $RESULT = $ARGV[1];
}
$RESULT = "$INDEX/$RESULT" unless $RESULT =~ m!/!;

open(RESULT, "$RESULT") || die "$! : $RESULT\n";
chdir $INDEX;

print <<EOM;
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"
        "http://www.w3.org/TR/REC-html40/strict.dtd">
<HTML>
<HEAD>
<TITLE>$INDEX</TITLE>
</HEAD>
<BODY LANG="ja">
<H1>$INDEX</H1>
<HR>
<DL>
EOM

my $template = join '', <RESULT>;

my $num = (-s "NMZ.t") / 4;
for (my $i = 0; $i < $num; $i++) {
    my $composed = compose($template, $i);
    print $composed;
}

sub compose($$) {
    my ($template, $idx) = @_;

    $template =~ s/\$\{([\w:]+)\}/getfield($1, $idx)/ge;
    return $template;
}

sub getfield($$) {
    my ($field, $idx) = @_;
    my $buf = undef;

    if ($field =~ /namazu::counter/) {
	return $idx;
    } elsif ($field =~ /:/) {
	return "???";
    }

    my $aliases_regex = 
	join('|', sort {length($b) <=> length($a)} keys %FIELD_ALIASES);

    if ($field =~ /^($aliases_regex)$/o) {
	$field = $FIELD_ALIASES{$field};
    }

    open(FIELD, "NMZ.field.$field") || die "$! : NMZ.field.$field\n";
    open(FIDX, "NMZ.field.$field.i") || die "$! : NMZ.field.$field.i\n";
    seek(FIDX, $idx * 4, 0);
    read(FIDX, $buf, 4);
    my $ptr = unpack "N", $buf;
    seek(FIELD, $ptr, 0);
    my $line = <FIELD>;
    chomp $line;
    $line =~ s/&/&amp;/g;    # &amp; should be processed first
    $line =~ s/</&lt;/g;
    $line =~ s/>/&gt;/g;
    close(FIELD);
    close(FIDX);
    return $line;
}

print <<EOM;
</DL>
<HR>
<P>
(bottom)
</P>
</BODY>
</HTML>
EOM
close(RESULT);

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