/**
* Parse a relative URI and returns information about it.
*/
public static function parseUri(IPieCrust $pieCrust, $uri, $uriTypes = self::PAGE_URI_ANY)
{
if (strpos($uri, '..') !== false) {
throw new PieCrustException('404');
}
$uri = '/' . trim($uri, '/');
$pageNumber = 1;
$matches = array();
if (preg_match('/\\/(\\d+)\\/?$/', $uri, $matches)) {
// Requesting a page other than the first for this article.
$uri = substr($uri, 0, strlen($uri) - strlen($matches[0]));
$pageNumber = intval($matches[1]);
}
$uri = ltrim($uri, '/');
$pageInfo = array('uri' => $uri, 'page' => $pageNumber, 'type' => IPage::TYPE_REGULAR, 'blogKey' => null, 'key' => null, 'date' => null, 'path' => null, 'was_path_checked' => false);
// Try first with a regular page path.
if (($uriTypes & self::PAGE_URI_REGULAR) != 0 and UriParser::tryParsePageUri($pieCrust, $uri, $pageInfo)) {
return $pageInfo;
}
$blogKeys = $pieCrust->getConfig()->getValueUnchecked('site/blogs');
// Try with a post.
if (($uriTypes & self::PAGE_URI_POST) != 0) {
foreach ($blogKeys as $blogKey) {
if (UriParser::tryParsePostUri($pieCrust, $blogKey, $uri, $pageInfo)) {
return $pageInfo;
}
}
}
// Try with special pages (tag & category)
if (($uriTypes & (self::PAGE_URI_CATEGORY | self::PAGE_URI_TAG)) != 0) {
foreach ($blogKeys as $blogKey) {
if (($uriTypes & self::PAGE_URI_TAG) != 0 and UriParser::tryParseTagUri($pieCrust, $blogKey, $uri, $pageInfo)) {
return $pageInfo;
}
if (($uriTypes & self::PAGE_URI_CATEGORY) != 0 and UriParser::tryParseCategoryUri($pieCrust, $blogKey, $uri, $pageInfo)) {
return $pageInfo;
}
}
}
// No idea what that URI is...
return null;
}