<?php
/**
 * Script used to convert docbook source to human readable docs.
 *
 * @copyright (c) 2007-2015 G. Giunta
 */
if ($_SERVER['argc'] < 4) {
    die("Usage: php convert.php docbook.xml \path\\to\stylesheet.xsl output-dir|output_file\n");
} else {
    echo "Starting xsl conversion process...\n";
}

$doc = $_SERVER['argv'][1];
$xss = $_SERVER['argv'][2];

if (!file_exists($doc)) {
    die("KO: file $doc cannot be found\n");
}
if (!file_exists($xss)) {
    die("KO: file $xss cannot be found\n");
}

// Load the XML source
$xml = new DOMDocument();
$xml->load($doc);
$xsl = new DOMDocument();
$xsl->load($xss);

// Configure the transformer
$proc = new XSLTProcessor();
if (version_compare(PHP_VERSION, '5.4', "<")) {
    if (defined('XSL_SECPREF_WRITE_FILE')) {
        ini_set("xsl.security_prefs", XSL_SECPREF_CREATE_DIRECTORY | XSL_SECPREF_WRITE_FILE);
    }
} else {
    // the php online docs only mention setSecurityPrefs, but somehow some installs have setSecurityPreferences...
    if (method_exists('XSLTProcessor', 'setSecurityPrefs')) {
        $proc->setSecurityPrefs(XSL_SECPREF_CREATE_DIRECTORY | XSL_SECPREF_WRITE_FILE);
    } else {
        $proc->setSecurityPreferences(XSL_SECPREF_CREATE_DIRECTORY | XSL_SECPREF_WRITE_FILE);
    }
}
$proc->importStyleSheet($xsl); // attach the xsl rules

//if ($_SERVER['argc'] >= 4)
//{
if (is_dir($_SERVER['argv'][3])) {
    if (!$proc->setParameter('', 'base.dir', realpath($_SERVER['argv'][3]))) {
        echo "setting param base.dir KO\n";
    }
} else {
    //echo "{$_SERVER['argv'][3]} is not a dir\n";
}
//}

$out = $proc->transformToXML($xml);
if (!is_dir($_SERVER['argv'][3])) {
    file_put_contents($_SERVER['argv'][3], $out);
}

echo "OK\n";