
<?php

define('XSLT_SABOPT_PARSE_PUBLIC_ENTITIES', 0);
define('XSLT_SABOPT_DISABLE_ADDING_META', 1);

function writeToFile($filename, $somecontent)
{
    // Open the file 
    if (!$handle = fopen($filename, 'w')) {
         print "Cannot open file ($filename)";
         exit;
    }

    // Write $somecontent to our opened file.
    if (!fwrite($handle, $somecontent)) {
        print "Cannot write to file ($filename)";
        exit;
    }
    
    print "Success, wrote the file $filename <br>";
    fclose($handle);
}

function xsltTransform($from, $how, $to='')
{
    $xmlHandle = fopen ('baw/original/' . $from, "r");
    $xml = fread ($xmlHandle, filesize ('baw/original/' . $from));
    fclose ($xmlHandle);
    
    $xml = str_replace(' xmlns="http://www.w3.org/1999/xhtml"', '', $xml);    
    $xml = str_replace('&', '^_', $xml);
    
    $xslHandle = fopen ($how, "r");
    $xsl = fread ($xslHandle, filesize ($how));
    fclose ($xslHandle);
    
    $arguments = array(
         '/_xml' => $xml,
         '/_xsl' => $xsl
    );
    
    // Allocate a new XSLT processor
    $xh = xslt_create();
    
    // Process the document
    $result = xslt_process($xh, 'arg:/_xml', 'arg:/_xsl', NULL, $arguments);
    
    // Free the processor
    xslt_free($xh);

    // Recreate the mangled entities    
    $result = str_replace('^_', '&', $result);

    // Reput the Doctype declaration in place
    $result = str_replace('<html xml:lang="en" lang="en" id="html-#position#">', '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xml:lang="en" lang="en" xmlns="http://www.w3.org/1999/xhtml" id="html-#position#">', $result);    

    // Generate the ids
    $lines = explode("#position#", $result);
    $i = -5;
    $isLastLine = false;
    foreach ($lines as $line) {
        $i += 5;
        if ($line == end($lines)) {
            $isLastLine = true;
        }
        if ($isLastLine == false) {
            $output .= $line . $i;
        } else {
            $output .= $line;
        }    
    }

    // Return the transformed document or write it to disk
    writeToFile('baw/with-id/' . $from, $output);
    return;
}

?>