public function testFullRelativePath()
{
$this->assertEquals("dir1/common.css", AmberNetworkUtils::full_relative_path("dir1", "common.css"));
$this->assertEquals("dir1/bananas/common.css", AmberNetworkUtils::full_relative_path("dir1", "bananas/common.css"));
$this->assertEquals("dir1/common.css", AmberNetworkUtils::full_relative_path("dir1", "bananas/../common.css"));
$this->assertEquals("dir1/common.css", AmberNetworkUtils::full_relative_path("dir1/dir2", "../common.css"));
$this->assertEquals("_v_1.0.32/personal/common.css", AmberNetworkUtils::full_relative_path("_v_1.0.32/personal/photo", "../common.css"));
$this->assertEquals("/persian/news/newsitem/article/typo3conf/ext/kj_imagelightbox2/res/lightbox2.04/js/prototype.js", AmberNetworkUtils::full_relative_path("/persian/news/newsitem/article", "typo3conf/ext/kj_imagelightbox2/res/lightbox2.04/js/prototype.js"));
}
/**
* Given a page URL and a list of assets referenced from that page, return an array list of absolute URIs
* to each of the assets keyed by the path used to reference it.
* @param $page_url
* @param $assets
* @param $html_base string with the contents of the <base> tag from the page, if exists
*/
public function expand_asset_references($page_url, $assets, $html_base = "")
{
$result = array();
$p = parse_url($page_url);
if ($p) {
$path_array = explode('/', isset($p['path']) ? $p['path'] : "");
array_pop($path_array);
$server = $p['scheme'] . "://" . $p['host'] . (isset($p['port']) ? ":" . $p['port'] : '');
$page_url = $server . join('/', $path_array);
foreach ($assets as $asset) {
$asset_copy = $asset;
if (strpos($asset, "//") === 0) {
/* Ensure that every URL has a scheme. Must be done before running parse_url due to bug in PHP < 5.4.7 */
/* Workaround for bug in parse_url: http://us2.php.net/parse_url#refsect1-function.parse-url-changelog */
$asset_copy = "{$p['scheme']}:{$asset_copy}";
}
/* Skip data assets that don't reference external resources */
if (strpos($asset, ";base64") !== FALSE) {
continue;
}
$parsed_asset_copy = parse_url($asset_copy);
$asset_path = $asset_copy;
if ($parsed_asset_copy) {
if (!isset($parsed_asset_copy['host'])) {
if (!($asset_path && $asset_path[0] == '/')) {
/* Relative path */
if ($html_base) {
$result[$asset]['url'] = $html_base . $asset_path;
continue;
} else {
$asset_path = AmberNetworkUtils::full_relative_path(join('/', $path_array), $asset_path);
}
}
$asset_path = preg_replace("/^\\//", "", $asset_path);
/* Remove leading '/' */
$asset_path = join('/', array($server, $asset_path));
}
$result[$asset]['url'] = $asset_path;
}
}
}
return $result;
}
