#!/usr/bin/perl
use strict;
use vars qw($VERSION %INTERNAL %get %post %fields %header %cookie %BLOCK $DEBUG $output);

$VERSION = '2.22';
$DEBUG = 1;

# We put most everything in %INTERNAL, just so the user won't screw it.
# We could also have used packages, but let's keep it simple.

$INTERNAL{file} = $ENV{PATH_TRANSLATED};
unless (-e $INTERNAL{file}){
    $ENV{REDIRECT_STATUS} = '404';
    print STDERR "htmpl: Not found: $INTERNAL{file}\n";

    #Change this if you have an error handling script.
    print `/vhost/COMMON/err.cgi` || "Status: 404 Not found\n\nFile not found";
    
    exit;
}

($INTERNAL{dir} = $INTERNAL{file}) =~ s{^(.*)/.*?$}[$1];
chdir $INTERNAL{dir};

($ENV{PLP_NAME} = $ENV{REQUEST_URI}) =~ s/\?.*$//;

use plp;

$INTERNAL{qq} = ""; #^P
$INTERNAL{q}  = ""; #^Q

$header{'Content-Type'} = 'text/html';
$header{Status} = '200 OK';

$INTERNAL{code} = ReadFile($INTERNAL{file});

while ($INTERNAL{code} =~ /<\((.*?)\)>/ ){
    ($INTERNAL{file} = $1) =~ s/[<>\|]//g;
    $INTERNAL{code} =~ s//ReadFile($INTERNAL{file})/e;
}

$INTERNAL{code} =~ s(<:)($INTERNAL{q};)g;
$INTERNAL{code} =~ s(:>)(;\nprint q$INTERNAL{q})g;

while ($INTERNAL{code} =~ /(<\[1(.*?)\]>(.*?)<\[2\]>(.*?)<\[3\]>)/s){
    $INTERNAL{naam} = $2;
    $BLOCK{"$INTERNAL{naam}-1"} = $3;
    $BLOCK{"$INTERNAL{naam}-2"} = $4;
    $INTERNAL{code} =~ s///;  #Redo last match
}
$INTERNAL{code} =~ s(\\\\\r?\n)()g;
$INTERNAL{code} =~ s(<\[([^>]*?):(.*?)\]>)($BLOCK{"${1}-1"}$2$BLOCK{"${1}-2"})g;
$INTERNAL{code} =~ s(<\[(?!/)(.*?)\]>)($BLOCK{"${1}-1"})g;
$INTERNAL{code} =~ s(<\[/(.*?)\]>)($BLOCK{"${1}-2"})g;


$INTERNAL{code} =~ s(<{[ \08\09]*)($INTERNAL{q};print qq$INTERNAL{qq})g;
$INTERNAL{code} =~ s([ \08\09]*}>)($INTERNAL{qq};print q$INTERNAL{q})g;
$INTERNAL{code} = "print q$INTERNAL{q}$INTERNAL{code}$INTERNAL{q};";

$INTERNAL{code} =~ s{print qq$INTERNAL{qq}$INTERNAL{qq};}[]g;
$INTERNAL{code} =~ s{print q$INTERNAL{q}$INTERNAL{q};}[]g;


while ($INTERNAL{code} =~ s/<_(.*?)_>//s){
    $INTERNAL{pre} = $1;    
    {
	no strict;
	eval $INTERNAL{pre};
	if ($@ && $DEBUG){
	    print "\nDebug:\n $@";
	}
    }
}

print "\n\n" if $DEBUG == 2;

{
    my %HEADER;
    for (sort keys %header){ # Sort, so lowercase and underscores come first)
	my $copy = $_;
	tr/_/-/;
	s/\b(\w)(\w*)/\U$1\E\L$2\E/g;
	$HEADER{$_} = $header{$copy};
    }
    for (keys %HEADER){
        print "$_: $HEADER{$_}\n";
    }
    print "\n";
}

{
    no strict;
    eval $INTERNAL{code};
    if ($@ && $DEBUG){
	print "<hr><b>Debug</b><br>", Entity($@);
    }
}