public function testExtractImports()
{
// These don't work yet (todo):
// @import url("fineprint.css") print;
// @import url("bluish.css") projection, tv;
// @import url('landscape.css') screen and (orientation:landscape);
$content = <<<CSS
@import 'custom.css';
@import "common.css" screen, projection;
body { background: url(../images/bg.gif); }
CSS;
$expected = array('common.css', 'custom.css');
$actual = LessUtils::extractImports($content);
$this->assertEquals($expected, array_intersect($expected, $actual), '::extractImports() returns all expected URLs');
$this->assertEquals(array(), array_diff($actual, $expected), '::extractImports() does not return unexpected URLs');
}
public function testExtractImportsWithOption()
{
$content = <<<LESS
@import () "empty";
@import (reference) "foo.less";
@import (inline) "not-less-compatible.css";
@import (less) "foo.css";
@import (css) "bar.less";
@import (once) "once.less";
@import (once) url("once_with_url.less");
LESS;
$expected = array('empty', 'foo.less', 'not-less-compatible.css', 'foo.css', 'bar.less', 'once.less', 'once_with_url.less');
$actual = LessUtils::extractImports($content);
$this->assertEquals($expected, array_intersect($expected, $actual), '::extractImports() returns all expected URLs');
$this->assertEquals(array(), array_diff($actual, $expected), '::extractImports() does not return unexpected URLs');
}
public function getChildren(AssetFactory $factory, $content, $loadPath = null)
{
$loadPaths = $this->loadPaths;
if (null !== $loadPath) {
$loadPaths[] = $loadPath;
}
if (empty($loadPaths)) {
return array();
}
$children = array();
foreach (LessUtils::extractImports($content) as $reference) {
if ('.css' === substr($reference, -4)) {
// skip normal css imports
// todo: skip imports with media queries
continue;
}
if ('.less' !== substr($reference, -5)) {
$reference .= '.less';
}
foreach ($loadPaths as $loadPath) {
if (file_exists($file = $loadPath . '/' . $reference)) {
$coll = $factory->createAsset($file, array(), array('root' => $loadPath));
foreach ($coll as $leaf) {
$leaf->ensureFilter($this);
$children[] = $leaf;
goto next_reference;
}
}
}
next_reference:
}
return $children;
}
