{

protected $arrPages = array();

protected $arrPageList = array();

protected $strTargetFolder;

protected $arrParentId = array();

protected $exportRules = array();

protected $epubExport = false;

protected $arrFilename = array();

/**

* Export a theme

* @param object

*/

public function export($dc)

{

global $objPage;

define('EX_TL_MODE_FE', true);

// Get the site export data

$objSiteExport = $this->Database->prepare("SELECT * FROM `tl_site_export` WHERE `id`=?")

->limit(1)

->execute($dc->id);

$html = '<div id="tl_buttons" style="margin-bottom:10px"><a href="contao/main.php?do=site_export" class="header_back" title="'.specialchars($GLOBALS['TL_LANG']['MSC']['backBT']).'" accesskey="b" onclick="Backend.getScrollOffset();">'.$GLOBALS['TL_LANG']['MSC']['backBT'].'</a></div>';

$html .= '<div class="tl_panel">';

if (($this->strTargetFolder = $this->getTargetFolder($objSiteExport)) === false)

{

return $html.'<div id="tl_buttons" style="margin-bottom:10px"><strong style="color:#a00">'.sprintf($GLOBALS['TL_LANG']['MSC']['exportDirectoryError'], $this->targetDir).'</strong></div></div>';

}

$this->exportEpub = $objSiteExport->exportEpub;

$this->arrPageList = deserialize($objSiteExport->pages, true);

if ($this->Input->get('step') == 'preview')

{

$html .= sprintf('<div style="float:left; padding-left: 10px;"><div style="padding-top: 6px;">%s</div></div>', $GLOBALS['TL_LANG']['MSC']['previewPagesToExport']);

$html .= sprintf('<div style="float:right; padding-right: 4px;"><form method="get" class="popup info" id="site_export" action="%s"><div class="tl_formbody"><button type="submit" name="step" value="go" class="tl_submit button_html"><span>%s</span></button><input type="hidden" name="do" value="site_export"><input type="hidden" name="key" value="export"><input type="hidden" name="id" value="'.$dc->id.'"></div></form></div>', $this->Environment->script, $GLOBALS['TL_LANG']['MSC']['startExport']);

$html .= '<div class="clear"></div>';

$html .= '<div style="padding-top: 8px;">'.sprintf($GLOBALS['TL_LANG']['MSC']['deleteExistingFiles'], $this->strTargetFolder).'</div>';

}

elseif ($this->Input->get('step') == 'go')

{

$files = Files::getInstance();

$files->rrdir($this->strTargetFolder, true);

if ($this->exportEpub)

{

$html .= '<div style="float:left; padding-left: 10px;"><div style="padding-top: 6px;">'.$GLOBALS['TL_LANG']['MSC']['pagesExportedTitle'].'</div></div>';

$html .= '<div style="float:right; padding-right: 4px;"><form method="get" class="popup info" id="site_export" action="'.$this->Environment->script.'"><div class="tl_formbody">';

$html .= '<button type="submit" name="step" value="epub" class="tl_submit button_epub" title="'.$GLOBALS['TL_LANG']['MSC']['generateEpubTitle'].'"><span>'.$GLOBALS['TL_LANG']['MSC']['generateEpub'].'</span></button>';

$html .= '<input type="hidden" name="do" value="site_export"><input type="hidden" name="key" value="export"><input type="hidden" name="id" value="'.$dc->id.'"></div></form></div>';

$html .= '<div class="clear"></div>';

}

else

{

$html .= '<div style="padding-left: 10px;"><div style="padding-top: 6px;">'.$GLOBALS['TL_LANG']['MSC']['pagesExportedTitle'].'</div></div>';

}

}

elseif ($this->Input->get('step') == 'epub')

{

$html .= '<div style="float:left; padding-left: 10px;"><div style="padding-top: 6px;">'.$GLOBALS['TL_LANG']['MSC']['generateEpub'].'</div></div>';

$html .= '<div style="float:right; padding-right: 4px;"><form method="get" class="popup info" id="site_export" action="'.$this->strTargetFolder.'/'.$objSiteExport->ebookFilename.'"><div class="tl_formbody">';

$html .= sprintf('<input type="submit" value="%s" title="%s" class="tl_submit"></div></form></div>', $GLOBALS['TL_LANG']['MSC']['epubDownload'], $GLOBALS['TL_LANG']['MSC']['epubDownloadTitle'] );

$html .= '<div class="clear"></div>';

}

$html .= '</div>';

$html .= '<div class="tl_listing_container">';

if ($objSiteExport->recursive && (is_array($this->arrPageList) || count($this->arrPageList) > 0))

{

for ($i=count($this->arrPageList)-1; $i>=0; $i--)

{

array_splice($this->arrPageList, $i+1, 0, $this->getChildPages($this->arrPageList[$i]));

}

}

if (count($this->arrPageList) > 0)

{

foreach ($this->arrPageList as $pageId)

{

$objPage = $this->getPageDetails($pageId);

if ($objPage != null)

{

if ($objSiteExport->includeLayout)

{

$objPage->includeLayout = $objSiteExport->includeLayout;

$objPage->layout = $objSiteExport->layout;

}

$strFilename = $this->getFilename($objPage);

$strDomain = $this->Environment->base;

if ($GLOBALS['TL_CONFIG']['addLanguageToUrl'])

{

$strUrl = $this->generateFrontendUrl($objPage->row(), null, $objPage->rootLanguage);

}

else

{

$strUrl = $this->generateFrontendUrl($objPage->row());

}

if (version_compare(VERSION, '3.1', '<') || strstr($strUrl, '://') === false)

{

$strUrl = ($this->Environment->ssl ? 'https://' : 'http://') . ($objPage->domain ?: $strDomain) . TL_PATH . '/' . $strUrl;

}

$strAlias = preg_replace('#https?://[^/]+/(.*)$#i', '$1', $strUrl);

$this->arrFilename[$strAlias] = $strFilename;

#$this->arrFilename[$strUrl] = $strFilename;

$pageLayout = ($objSiteExport->includeLayout ? $objSiteExport->layout : FALSE);

$this->arrPages[] = array(

'title' => $objPage->title,

'pageTitle' => $objPage->pageTitle,

'language' => $objPage->language,

'id' => $objPage->id,

'pid' => $objPage->pid,

'layout' => $pageLayout,

'obj' => $objPage,

'url' => $strUrl,

'layout' => $pageLayout,

'exportUrl' => $strUrl.'?export=1'.($pageLayout ? '&layout='.$pageLayout : '').'&rand='.time(),

'filename' => $strFilename,

'level' => $this->getPageLevel($objPage->pid),

'sort' => (array_search($pageId, $this->arrPageList) !== FALSE ? array_search($pageId, $this->arrPageList) + 9000000 : $objPage->sorting)

);

}

usort($this->arrPages, array($this, 'pageSort'));

}

}

$this->normalizePageLevels();

/**

* generate Epub

*/

if ($this->Input->get('step') == 'epub')

{

$this->generateEpub($objSiteExport);

if (file_exists(TL_ROOT.'/'.$this->strTargetFolder . '/' . $objSiteExport->ebookFilename))

{

$html .= '<p>'.sprintf($GLOBALS['TL_LANG']['MSC']['epubSuccessfullyCreated'], '<tt>'.$objSiteExport->ebookFilename.'</tt>').'</p>';

}

else

{

$html .= '<p color="red">'.sprintf($GLOBALS['TL_LANG']['MSC']['epubCreateError'], '<tt>'.$objSiteExport->ebookFilename.'</tt>').'</p>';

}

}

elseif (count($this->arrPages))

{

// Get the site export rules

if ($objSiteExport->rulesFrom > 0)

{

$objExportRules = $this->Database->prepare("SELECT * FROM tl_site_export_rules WHERE (pid=? OR pid=?) AND isActive='1' ORDER BY `sorting`")

->execute($dc->id, $objSiteExport->rulesFrom);

}

else

{

$objExportRules = $this->Database->prepare("SELECT * FROM tl_site_export_rules WHERE pid=? AND isActive='1' ORDER BY `sorting`")

->execute($dc->id);

}

if ($objExportRules->numRows > 0)

{

$this->exportRules = $objExportRules->fetchAllAssoc();

}

if ($this->Input->get('step') == 'go')

{

if ($objSiteExport->toc != 'none')

{

$arrHeadline = deserialize($objSiteExport->tocHeadline);

$tocHeadline = is_array($arrHeadline) ? $arrHeadline['value'] : $arrHeadline;

$tocHl = is_array($arrHeadline) ? $arrHeadline['unit'] : 'h1';

$toc = '<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>'.$tocHeadline.' '.$objSiteExport->title.'</title>

</head>

<body class="toc">

<'.$tocHl.'>'.$tocHeadline.'</'.$tocHl.'>

<div id="toc">

<ul>';

}

}

elseif ($objExportRules->numRows > 0)

{

$html .= '<p><strong>'.sprintf($GLOBALS['TL_LANG']['MSC']['numberOfRules'], $objExportRules->numRows).'</strong></p>';

}

$lastLevel = 0;

$html .= '<ul class="site_export_tree">';

$arrFlatToc = array();

foreach ($this->arrPages as $index => $page)

{

if ($page['level'] > $lastLevel)

{

$strLine = '<ul>';

}

elseif ($page['level'] < $lastLevel)

{

$strLine = str_pad('</li></ul>', 10*($lastLevel-$page['level']), '</li></ul>').'</li>';

}

elseif ($index > 0)

{

$strLine = '</li>';

}

$html .= $strLine;

if (in_array($objSiteExport->toc, array('indent', 'json')))

{

$toc .= $strLine;

}

elseif ($index > 0 && $objSiteExport->toc == 'flat')

{

$toc .= '</li>';

}

if ($this->Input->get('step') == 'go')

{

$arrFlatToc[] = $page['filename'];

if (($fileSize = $this->writePage($page)) !== FALSE)

{

$html .= '<li>'.sprintf($GLOBALS['TL_LANG']['MSC']['exportFileCompleted'], $page['filename'], $fileSize);

}

else

{

$html .= '<li>'.sprintf($GLOBALS['TL_LANG']['MSC']['exportFileFailed'], $page['filename']);

}

}

else

{

$html .= '<li title="'.$page['url'].'">' . $page['filename'];

}

if ($objSiteExport->toc != 'none')

{

$toc .= '<li><a href="'.$page['filename'].'">' . $page['title'] .'</a>';

}

$lastLevel = $page['level'];

}

$html .= str_pad('</li></ul>', 10*($lastLevel+1), '</li></ul>');

if (in_array($objSiteExport->toc, array('indent', 'json')))

{

$toc .= str_pad('</li></ul>', 10*($lastLevel+1), '</li></ul>');

}

elseif ($index > 0 && $objSiteExport->toc == 'flat')

{

$toc .= '</li></ul>';

}

if ($objSiteExport->toc != 'none')

{

$toc .= "\n\t</div>\n</body>\n</html>";

}

if ($this->Input->get('step') == 'go')

{

$file = new File($this->strTargetFolder . '/toc.xhtml');

$file->write('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"

"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

');

$file->write($toc);

$file->close();

if (!$this->exportEpub)

{

$file = new File($this->strTargetFolder . '/toc.html');

$file->write('<!doctype html><html lang="'.$GLOBALS['TL_LANGUAGE'].'">');

$file->write($toc);

$file->close();

$file = new File($this->strTargetFolder . '/toc.txt');

$file->write(implode("\n", $arrFlatToc));

$file->close();

}

$this->log('Export ID '.$dc->id.': '.sprintf($GLOBALS['TL_LANG']['MSC']['pagesExported'], count($this->arrPages)), 'SiteExport', TL_FILES);

}

}

else

{

$this->log(sprintf($GLOBALS['TL_LANG']['MSC']['noPagesFound'], $dc->id), 'SiteExport', TL_FILES);

return '<div style="padding-top:10px"><p style="padding:10px;color:red;">'.sprintf($GLOBALS['TL_LANG']['MSC']['noPagesFound'], $dc->id).'</p></div>';

}

$html .= '</li></ul></div>';

if (in_array($objSiteExport->toc, array('flat_json', 'json')))

{

if ($objSiteExport->toc == 'json')

{

$pageList = $this->getPageList($this->arrPages, 0);

}

else

{

$pageList = $this->arrPages;

}

$strJSON = '{"toc":['.$this->getJSON($pageList)."\n]}";

$file = new File($this->strTargetFolder . '/toc.json');

$file->write($strJSON);

$file->close();

}

return $html;

}

/* not used at the time

protected function generatePdf($objSiteExport)

{

// Include library

require_once(TL_ROOT . '/system/config/tcpdf.php');

require_once(TL_ROOT . '/plugins/tcpdf/tcpdf.php');

$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);

// set document information

$pdf->SetCreator(PDF_CREATOR);

$pdf->SetAuthor('Mario Müller');

$pdf->SetTitle($objSiteExport->pdfTitle);

// Prevent font subsetting (huge speed improvement)

$pdf->setFontSubsetting(false);

// Remove default header/footer

$pdf->setPrintHeader(false);

$pdf->setPrintFooter(false);

// Set margins

$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);

// Set auto page breaks

$pdf->SetAutoPageBreak(true, PDF_MARGIN_BOTTOM);

// Set font

$pdf->SetFont(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN);

// Set image scale factor

$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);

for ($i=0; $i<count($this->arrPages); $i++)

{

$pdf->AddPage();

$fileContent = file_get_contents(TL_ROOT.'/'.$this->strTargetFolder.'/'.$this->arrPages[$i]['filename']);

$fileContent = str_replace('"./', '"'.TL_ROOT.'/'.$this->strTargetFolder.'/', $fileContent);

$pdf->writeHTML($fileContent, true, false, true, false, '');

}

$pdf->lastPage();

$pdf->Output(TL_ROOT.'/'.$this->strTargetFolder.'/'.$objSiteExport->pdfFilename, 'I');

}

*/

protected function writePage($page)

{

#$strUrl = $page['exportUrl'].'&itags='.rawurlencode(serialize(array('{{env::page_language}}')));

set_time_limit(60);

if (function_exists(curl_init))

{

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $page['exportUrl']);

curl_setopt($ch, CURLOPT_REFERER, $page['exportUrl']);

curl_setopt($ch, CURLOPT_USERAGENT, 'SiteExport');

curl_setopt($ch, CURLOPT_HEADER, false);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

curl_setopt($ch, CURLOPT_TIMEOUT, 10);

$output = curl_exec($ch);

/*

if (strstr($output, 'FORM_SUBMIT') !== FALSE)

{

curl_setopt($ch, CURLOPT_URL, $page['exportUrl'].'&validate=1');

$output = curl_exec($ch);

}

*/

curl_close($ch);

}

else

{

$output = file_get_contents($page['exportUrl']);

}

if (!empty($output))

{

$output = $this->applyRules($output, $page);

$file = new File($this->strTargetFolder . '/' . $page['filename']);

$file->write($output);

$file->close();

return strlen($output);

}

else

{

return FALSE;

}

}

protected function generateEpub($objSiteExport)

{

$toc = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<!DOCTYPE ncx PUBLIC "-//NISO//DTD ncx 2005-1//EN" "http://www.daisy.org/z3986/2005/ncx-2005-1.dtd">

<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">

<head>

<meta name="dc:Title" content="'.$objSiteExport->ebookTitle.'"/>

<meta name="dtb:uid" content="'.$objSiteExport->ebookIdentifier.'"/>

</head>

<docTitle>

<text>'.$objSiteExport->ebookTitle.'</text>

</docTitle>

<navMap>

';

/**

* create ‘table of contents’

*/

$lastLevel = -1;

for ($i=0; $i<count($this->arrPages); $i++)

{

if ($this->arrPages[$i]['level'] <= $lastLevel)

{

$toc .= str_pad("\t", $this->arrPages[$i]['level']+1, "\t") . str_pad('</navPoint>', 11*($lastLevel-$this->arrPages[$i]['level']+1), '</navPoint>')."\n";

}

$toc .= str_pad("\t", $this->arrPages[$i]['level']+1, "\t") . '<navPoint playOrder="'.($i+1).'" id="'.$this->arrPages[$i]['navId'].'">'."\n";

$toc .= str_pad("\t", $this->arrPages[$i]['level']+2, "\t") . '<navLabel><text>'.$this->arrPages[$i]['title'].'</text></navLabel>'."\n";

$toc .= str_pad("\t", $this->arrPages[$i]['level']+2, "\t") . '<content src="'.$this->arrPages[$i]['filename'].'"/>'."\n";

$lastLevel = $this->arrPages[$i]['level'];

}

$toc .= str_pad("\t", $lastLevel+1, "\t") . str_pad('</navPoint>', 11*($lastLevel+1), '</navPoint>')."\n";

$toc .= ' </navMap>

</ncx>';

/**

* create ‘content.opf’

*/

$content = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<package xmlns="http://www.idpf.org/2007/opf" xmlns:dc="http://purl.org/dc/elements/1.1/" unique-identifier="'.$objSiteExport->ebookIdentifier.'" version="2.0">

<metadata>

<meta name="generator" content="Contao :: Site Export"/>

<dc:title>'.$objSiteExport->ebookTitle.'</dc:title>

<dc:description>'.$objSiteExport->ebookDescription.'</dc:description>

<dc:creator>'.$objSiteExport->ebookCreator.'</dc:creator>

<dc:publisher>'.$objSiteExport->ebookPublisher.'</dc:publisher>

<dc:date>'.$objSiteExport->ebookDate.'</dc:date>

<dc:language>'.$objSiteExport->ebookLanguage.'</dc:language>

<dc:identifier id="'.$objSiteExport->ebookIdentifier.'">'.$objSiteExport->ebookIdentifier.'</dc:identifier>

<dc:subject>'.$objSiteExport->ebookSubject.'</dc:subject>

';

if ($objSiteExport->ebookCover != '')

{

if (version_compare(VERSION, '3', '>='))

{

$objEbookCover = \FilesModel::findByPk($objSiteExport->ebookCover);

$strEbookCover = $objEbookCover->path;

}

else

{

$strEbookCover = $objSiteExport->ebookCover;

}

$epubCoverFile = basename($strEbookCover);

$this->import('Files');

$this->Files->copy($strEbookCover, $this->strTargetFolder.'/images/'.$epubCoverFile);

$content .= ' <meta name="cover" content="cover"/>

</metadata>

<manifest>

<item href="images/'.$epubCoverFile.'" id="cover" media-type="image/jpeg"/>';

}

else

{

$epubCoverFile = false;

$content .= '

</metadata>

<manifest>';

}

$content .= '

<item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml"/>

';

foreach ($this->getFiles($this->strTargetFolder.'/images', array('.jpg', '.jpeg')) as $file)

{

$content .= "\t\t".'<item id="'.str_replace('@', 'at', strstr($file, '.', true)).'" href="images/'.$file.'" media-type="image/jpeg"/>'."\n";

}

foreach ($this->getFiles($this->strTargetFolder.'/images', array('.png')) as $file)

{

$content .= "\t\t".'<item id="'.strstr($file, '.', true).'" href="images/'.$file.'" media-type="image/png"/>'."\n";

}

foreach ($this->getFiles($this->strTargetFolder, array('.css')) as $file)

{

$content .= "\t\t".'<item id="'.strstr($file, '.', true).'" href="'.$file.'" media-type="text/css"/>'."\n";

}

$spine = ' <spine toc="ncx">'."\n";

if ($objSiteExport->toc != 'none')

{

$content .= "\t\t".'<item id="id_book_toc" href="toc.xhtml" media-type="application/xhtml+xml"/>'."\n";

$spine .= "\t\t".'<itemref idref="id_book_toc"/>'."\n";

}

for ($i=0; $i<count($this->arrPages); $i++)

{

$content .= "\t\t".'<item id="'.$this->arrPages[$i]['navId'].'" href="'.$this->arrPages[$i]['filename'].'" media-type="application/xhtml+xml"/>'."\n";

$spine .= "\t\t".'<itemref idref="'.$this->arrPages[$i]['navId'].'"/>'."\n";

}

$spine .= ' </spine>

';

$content .= ' </manifest>

' . $spine . '

</package>';

$arrDataFiles = scandir(TL_ROOT.'/'.$this->strTargetFolder);

$arrImageFiles = scandir(TL_ROOT.'/'.$this->strTargetFolder.'/images');

# $this->import('MyZipWriter');

$objArchive = new \MyZipWriter($this->strTargetFolder.'/'.$objSiteExport->ebookFilename);

$objArchive->addStringUncompressed('application/epub+zip', 'mimetype');

$objArchive->addString('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">

<rootfiles>

<rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>

</rootfiles>

</container>', 'META-INF/container.xml');

$objArchive->addString($toc, 'OEBPS/toc.ncx');

$objArchive->addString($content, 'OEBPS/content.opf');

$files = Files::getInstance();

foreach ($arrDataFiles as $strFile)

{

if (!is_dir(TL_ROOT.'/'.$this->strTargetFolder.'/'.$strFile) && !in_array($strFile, array('.', '..')))

{

$file = new File($this->strTargetFolder.'/'.$strFile);

$objArchive->addString($file->getContent(), 'OEBPS/'.$strFile);

$file->close();

}

}

foreach ($arrImageFiles as $strFile)

{

if (!is_dir(TL_ROOT.'/'.$this->strTargetFolder.'/'.$strFile) && !in_array($strFile, array('.', '..')))

{

$file = new File($this->strTargetFolder.'/images/'.$strFile);

$objArchive->addString($file->getContent(), 'OEBPS/images/'.$strFile);

$file->close();

}

}

$files->rrdir($this->strTargetFolder, true);

$objArchive->close();

}

/**

* create a JSON file with table of contents

*/

protected function getJSON($pageList)

{

$strData = "";

$strStart = '';

for ($i=0; $i<count($pageList); $i++)

{

$strData .= $strStart."\n".

str_pad("\t", $pageList[$i]['level'], "\t").'{"title":"'.str_replace('"', '\"', $pageList[$i]['title']).'","pageTitle":"'.str_replace('"', '\"', $pageList[$i]['pageTitle']).'","file":"'.$pageList[$i]['filename'].'","id":"'.$pageList[$i]['id'].'","pid":"'.$pageList[$i]['pid'].'"';

if (is_array($pageList[$i]['childs']))

{

$strData .= ', "childs":'."\n".str_pad("\t", $pageList[$i]['level'], "\t")."[".$this->getJSON($pageList[$i]['childs'])."\n".str_pad("\t", $pageList[$i]['level'])."]";

}

$strData .= "}";

$strStart = ',';

}

$strData .= "";

return $strData;

}

/**

* get nested page list

*/

protected function getPageList($flatList, $level = 0)

{

$pageList = array();

for ($i=0; $i<count($flatList); $i++)

{

if ($flatList[$i]['level'] == $level)

{

$flatList[$i]['childs'] = false;

$pageList[] = $flatList[$i];

}

elseif ($flatList[$i]['level'] > $level)

{

$arrPages = array();

while ($i<count($flatList) && $flatList[$i]['level'] > $level)

{

$arrPages[] = $flatList[$i];

$i++;

}

$pageList[count($pageList)-1]['childs'] = $this->getPageList($arrPages, $level+1);

$i--;

}

else

{

return $pageList;

}

}

return $pageList;

}

/**

* shrink page levels to avoid gaps

*/

protected function normalizePageLevels()

{

$level = -1;

for ($i=0; $i<count($this->arrPages); $i++)

{

if (($this->arrPages[$i]['level'] - $level) > 1)

{

$stopLevel = $this->arrPages[$i]['level'];

$diffLevel = $this->arrPages[$i]['level'] - $level - 1;

for ($t=$i; $t<count($this->arrPages) && $this->arrPages[$t]['level']>=$stopLevel; $t++)

{

$this->arrPages[$t]['level'] -= $diffLevel;

}

}

$level = $this->arrPages[$i]['level'];

if ($this->exportEpub)

{

$this->arrPages[$i]['navId'] = 'id_book_' . $i;

}

}

}

/**

* retrieve the page level

*/

protected function getPageLevel($pid)

{

$level = 1;

while ($pid > 0)

{

if (isset($this->arrParentId[$pid]))

{

$pid = $this->arrParentId[$pid];

}

else

{

$objPage = $this->Database->prepare("SELECT `pid` FROM tl_page WHERE `id`=?")->execute($pid);

$this->arrParentId[$pid] = $objPage->pid;

$pid = $objPage->pid;

}

$level++;

}

return $level;

}

/**

* execute rule

*/

protected function executeRule($strContent, $rule, $page)

{

$rule['replacement'] = str_replace('{{language}}', $page['language'], $rule['replacement']);

if ($rule['isRegex'] == '1')

{

$pattern = '~' . str_replace('~', '\~', $rule['pattern']) . '~';

$pattern .= ($rule['modIgnoreCase'] == '1' ? 'i' : '');

$pattern .= ($rule['modMultiLine'] == '1' ? 'm' : '');

$pattern .= ($rule['modDotAll'] == '1' ? 's' : '');

$pattern .= ($rule['modUngreedy'] == '1' ? 'U' : '');

$pattern .= ($rule['modUTF8'] == '1' ? 'u' : '');

$strTemp = preg_replace($pattern, $rule['replacement'], $strContent);

if (preg_last_error() == PREG_NO_ERROR)

{

$last_error = false;

}

else if (preg_last_error() == PREG_INTERNAL_ERROR)

{

$last_error = 'PREG_INTERNAL_ERROR';

}

else if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR)

{

$last_error = 'PREG_BACKTRACK_LIMIT_ERROR';

}

else if (preg_last_error() == PREG_RECURSION_LIMIT_ERROR)

{

$last_error = 'PREG_RECURSION_LIMIT_ERROR';

}

else if (preg_last_error() == PREG_BAD_UTF8_ERROR)

{

$last_error = 'PREG_BAD_UTF8_ERROR';

}

else if (preg_last_error() == PREG_BAD_UTF8_ERROR)

{

$last_error = 'PREG_BAD_UTF8_ERROR';

}

if ($last_error !== false)

{

$this->log('Error: ' . $rule['title'] . ' → ' . $last_error, 'SiteExport', TL_ERROR);

}

else

{

$strContent = $strTemp;

}

}

else

{

$strContent = str_replace($rule['pattern'], $rule['replacement'], $strContent);

}

return $strContent;

}

/**

* apply all export rules

*/

protected function applyRules($strContent, $page)

{

$strContent = preg_replace_callback('~(<a.*href=")(.*)(".*>)~isU', 'self::replaceLinks', $strContent);

foreach ($this->exportRules as $rule)

{

if ($rule['isActive'] == '1' && $rule['lateCall'] == '')

{

$strContent = $this->executeRule($strContent, $rule, $page);

}

}

$strContent = str_ireplace(array('&nbsp;'), array(' '), $strContent);

if (!is_writeable(TL_ROOT.'/'.$this->strTargetFolder) && is_dir(TL_ROOT.'/'.$this->strTargetFolder))

{

chmod(TL_ROOT.'/'.$this->strTargetFolder, 0777);

}

/* copy images files */

if (!is_dir(TL_ROOT.'/'.$this->strTargetFolder . '/images'))

{

if (!mkdir(TL_ROOT.'/'.$this->strTargetFolder . '/images'))

{

die(TL_ROOT.'/'.$this->strTargetFolder . '/images');

}

if (!is_writeable(TL_ROOT.'/'.$this->strTargetFolder . '/images') && is_dir(TL_ROOT.'/'.$this->strTargetFolder . '/images'))

{

chmod(TL_ROOT.'/'.$this->strTargetFolder . '/images', 0777);

}

}

if (is_writeable(TL_ROOT.'/'.$this->strTargetFolder . '/images') && is_dir(TL_ROOT.'/'.$this->strTargetFolder . '/images'))

{

$strContent = preg_replace_callback('~(<img.*src=")(.*(png|jpg|gif))(")~isU', 'self::processImages', $strContent);

}

/* copy audio files */

if (!is_dir(TL_ROOT.'/'.$this->strTargetFolder . '/audio'))

{

mkdir(TL_ROOT.'/'.$this->strTargetFolder . '/audio');

if (!is_writeable(TL_ROOT.'/'.$this->strTargetFolder . '/audio') && is_dir(TL_ROOT.'/'.$this->strTargetFolder . '/audio'))

{

chmod(TL_ROOT.'/'.$this->strTargetFolder . '/audio', 0777);

}

}

if (is_writeable(TL_ROOT.'/'.$this->strTargetFolder . '/audio') && is_dir(TL_ROOT.'/'.$this->strTargetFolder . '/audio'))

{

$strContent = preg_replace_callback('~(<source.*src=")(.*(mp3|ogg))(")~isU', 'self::processAudio', $strContent);

}

/* copy stylesheets */

$strContent = preg_replace_callback('~(<link.*href=")(.*)(".*>)~isU', 'self::processStylesheets', $strContent);

foreach ($this->exportRules as $rule)

{

if ($rule['isActive'] == '1' && $rule['lateCall'] == '1')

{

$strContent = $this->executeRule($strContent, $rule, $page);

}

}

return $strContent;

}

protected function replaceLinks($match)

{

$link = preg_replace('~https?://.*/~isU', '', $match[2]);

if (isset($this->arrFilename[$link]))

{

$link = $this->arrFilename[$link];

}

else

{

$link = str_replace('/', '_', $link);

if (substr($link, -5) != '.html')

{

$link .= '.html';

}

}

return $match[1].$link.$match[3];

}

protected function processImages($match)

{

$src_image = $match[2];

$filename = 'images/' . str_replace(array('/', ' '), '_', $match[2]);

$dest_image = $this->strTargetFolder . '/' . $filename;

$this->import('Files');

if (file_exists(TL_ROOT.'/'.$src_image) && !file_exists(TL_ROOT.'/'.$dest_image))

{

$this->Files->copy($src_image, $dest_image);

}

$arrPathInfo = pathinfo($src_image);

$strRetinaFilename = $arrPathInfo['dirname'].'/'.$arrPathInfo['filename'].'@2x.'.$arrPathInfo['extension'];

if (file_exists(TL_ROOT.'/'.$strRetinaFilename))

{

$this->Files->copy($strRetinaFilename, $this->strTargetFolder.'/images/'.str_replace(array('/', ' '), '_', $strRetinaFilename));

}

return $match[1].$filename.$match[4];

}

protected function processAudio($match)

{

$src_audio = $match[2];

$filename = 'audio/' . str_replace(array('/', ' '), '_', $src_audio);

$dest_audio = $this->strTargetFolder . '/' . $filename;

$this->import('Files');

if (file_exists(TL_ROOT.'/'.$src_audio) && !file_exists(TL_ROOT.'/'.$dest_audio))

{

$this->Files->copy($src_audio, $dest_audio);

}

return $match[1].$filename.$match[4];

}

protected function processStylesheets($match)

{

if (stristr($match[1], 'rel="static-stylesheet"') !== FALSE)

{

return str_ireplace('rel="static-stylesheet"', 'rel="stylesheet"', $match[1]).$match[2].$match[3];

}

elseif (stristr($match[1], 'rel="stylesheet"') !== FALSE || stristr($match[3], 'rel="stylesheet"') !== FALSE)

{

$src_stylesheet = TL_ROOT.'/'.$match[2];

$filename = str_replace(array('/', ' '), '_', $match[2]);

$dest_stylesheet = TL_ROOT.'/'.$this->strTargetFolder . '/' . $filename;

if (file_exists($src_stylesheet) && !file_exists($dest_stylesheet))

{

copy($src_stylesheet, $dest_stylesheet);

}

return $match[1].$filename.$match[3];

}

else

{

return $match[1].$match[2].$match[3];

}

}

protected function getFilename($objPage)

{

$arrParts = explode('/', $objPage->alias);

return $arrParts[count($arrParts)-1].'_'.$objPage->id.'.html';

}

protected function getFiles($path, $extensions = false)

{

$files = array();

$handle = opendir(TL_ROOT.'/'.$path);

while ($tmp = readdir($handle))

{

if (($tmp!='.') && ($tmp!='..') && (!$extensions || in_array(strrchr($tmp, '.'), $extensions)))

{

$files[] = $tmp;

}

}

return $files;

}