url = $url; } public function parse() { $scheme = parse_url($this->url, PHP_URL_SCHEME); switch ($scheme) { case 'git': //clearly a git url $this->arGitUrls = array(array($this->url)); return true; case 'ssh': //FIXME: maybe loosen this when we know how to skip the //"do you trust this server" question of ssh $this->error = 'ssh:// URLs are not supported'; return false; case 'http': case 'https': return $this->extractUrlsFromHtml($this->url); } $this->error = 'Unknown URLs scheme: ' . $scheme; return false; } protected function extractUrlsFromHtml($url) { //HTML is not necessarily well-formed, and Gitorious has many problems // in this regard //$sx = simplexml_load_file($url); libxml_use_internal_errors(true); $sx = simplexml_import_dom(\DomDocument::loadHtmlFile($url)); $elems = $sx->xpath('//*[@rel="vcs-git"]'); $count = $anonymous = 0; foreach ($elems as $elem) { if (!isset($elem['href'])) { continue; } $str = (string)$elem; if (isset($elem['title'])) { // $title = (string)$elem['title']; } else if ($str != '') { //title $title = $str; } else { $title = 'Unnamed repository #' . ++$anonymous; } $url = (string)$elem['href']; if ($this->isSupported($url)) { ++$count; $this->arGitUrls[$title][] = $url; } } return $count > 0; } /** * Iterate through all git urls and return one if there is only * one supported one. * * @return mixed Boolean false or string */ public function getUniqueGitUrl() { $nFound = 0; foreach ($this->arGitUrls as $title => $arUrls) { foreach ($arUrls as $url) { $nFound++; $uniqueUrl = $url; } } if ($nFound == 1) { return $uniqueUrl; } return false; } public function getGitUrls() { return $this->arGitUrls; } public function isSupported($url) { return parse_url($url, PHP_URL_SCHEME) == 'git'; } } ?>