/**
* Return string containing an XHTML fragment generated from the XML/XSL source
* This function performs any necessary filtering, like image URL replacement.
* @param $baseImageUrl string base URL for image references
* @return string
*/
function getHTMLContents()
{
$xmlGalleyPlugin =& PluginRegistry::getPlugin('generic', $this->parentPluginName);
// if the XML Galley plugin is not installed or enabled,
// then pass through to ArticleHTMLGalley
if (!$xmlGalleyPlugin) {
return parent::getHTMLContents();
}
if (!$xmlGalleyPlugin->getEnabled()) {
return parent::getHTMLContents();
}
$cache =& $this->_getXSLTCache($this->getFileName() . '-' . $this->getId());
$contents = $cache->getContents();
// if contents is false/empty, then we have an XSLT error
// return the straight XML contents instead
if ($contents == "") {
return parent::getHTMLContents();
}
// Replace image references
$images =& $this->getImageFiles();
$journal =& Request::getJournal();
if ($images !== null) {
foreach ($images as $image) {
$imageUrl = Request::url(null, 'article', 'viewFile', array($this->getArticleId(), $this->getBestGalleyId($journal), $image->getFileId()));
$contents = preg_replace('/(src|href)\\s*=\\s*"([^"]*' . preg_quote($image->getOriginalFileName()) . ')"/i', '$1="' . $imageUrl . '"', $contents);
}
}
// Perform replacement for ojs://... URLs
$contents = String::regexp_replace_callback('/(<[^<>]*")[Oo][Jj][Ss]:\\/\\/([^"]+)("[^<>]*>)/', array(&$this, '_handleOjsUrl'), $contents);
// Replace supplementary file references
$this->suppFileDao =& DAORegistry::getDAO('SuppFileDAO');
$suppFiles = $this->suppFileDao->getSuppFilesByArticle($this->getArticleId());
if ($suppFiles) {
foreach ($suppFiles as $supp) {
$journal =& Request::getJournal();
$suppUrl = Request::url(null, 'article', 'downloadSuppFile', array($this->getArticleId(), $supp->getBestSuppFileId($journal)));
$contents = preg_replace('/href="' . preg_quote($supp->getOriginalFileName()) . '"/', 'href="' . $suppUrl . '"', $contents);
}
}
// if client encoding is set to iso-8859-1, transcode string to HTML entities
// since we transform all XML in utf8 and can't rely on built-in PHP functions
if (LOCALE_ENCODING == "iso-8859-1") {
$contents =& String::utf2html($contents);
}
return $contents;
}
