Perl JavaコードをHTMLに

Perl JavaコードをHTMLに

open IN, "<c:\\test.java";
open OUT, ">c:\\test.html";
 
print OUT "<style>";
print OUT ".kwd{ color:blue;font-weight:bold; }";
print OUT ".cmt{ color:green; }";
print OUT ".lin{ color:#808080; }";
print OUT ".lit{ color:#00ffff; }";
print OUT ".code{ background-color:#efefff;border:1px solid lightgrey;font-family:monospace; }";
print OUT "</style>";
 
print OUT "<div class='code'>";
$c = 1;
$isCmt = 0;
while ( $line = <IN> ) {
    
    $line =~ s/\s*$//;
    
    $line =~ s/(&)/&/g;
    $line =~ s/(<)/</g;
    $line =~ s/(>)/>/g;
    $line =~ s/([ ])/ /g;
    $line =~ s/(\t)/    /g;
 
    if ($line =~ /(\/\*)/) {
        $line =~ s/(\/\*)/<span class='cmt'>\1/;
        $isCmt = 1;
    }
    
    if ($isCmt) {
        if ($line =~ /(\*\/)/) {
            $line =~ s/(\*\/)/\1<\/span>/;
            $isCmt = 0;
        }
    } else {
        $line =~ s/(\bString\b|\babstract\b|\bcontinue\b|\bfor\b|\bnew\b|\bswitch\b|\bassert\b|\bdefault\b|\bif\b|\bpackage\b|\bsynchronized\b|\bboolean\b|\bdo\b|\bgoto\b|\bprivate\b|\bthis\b|\bbreak\b|\bdouble\b|\bimplements\b|\bprotected\b|\bthrow\b|\bbyte\b|\belse\b|\bimport\b|\bpublic\b|\bthrows\b|\bcase\b|\benum\b|\binstanceof\b|\breturn\b|\btransient\b|\bcatch\b|\bextends\b|\bint\b|\bshort\b|\btry\b|\bchar\b|\bfinal\b|\binterface\b|\bstatic\b|\bvoid\b|\bclass\b|\bfinally\b|\blong\b|\bstrictfp\b|\bvolatile\b|\bconst\b|\bfloat\b|\bnative\b|\bsuper\b|\bwhile\b)/<span class='kwd'>\1<\/span>/g;
        $line =~ s/(\/\/.*)/<span class='cmt'>\1<\/span>/g;
    }
    printf(OUT "<span class='lin'>%04d:</span> $line<br/>\n", $c);
 
    $c++;
}
print OUT "</div>";
close IN;
close OUT;