public function getChildren(AssetFactory $factory, $content, $loadPath = null)
{
$children = array();
$includePaths = $this->includePaths;
if (null !== $loadPath && !in_array($loadPath, $includePaths)) {
array_unshift($includePaths, $loadPath);
}
if (empty($includePaths)) {
return $children;
}
foreach (CssUtils::extractImports($content) as $reference) {
if ('.css' === substr($reference, -4)) {
continue;
}
// the reference may or may not have an extension or be a partial
if (pathinfo($reference, PATHINFO_EXTENSION)) {
$needles = array($reference, $this->partialize($reference));
} else {
$needles = array($reference . '.scss', $this->partialize($reference) . '.scss');
}
foreach ($includePaths as $includePath) {
foreach ($needles as $needle) {
if (file_exists($file = $includePath . '/' . $needle)) {
$child = $factory->createAsset($file, array(), array('root' => $includePath));
$children[] = $child;
$child->load();
$children = array_merge($children, $this->getChildren($factory, $child->getContent(), $includePath));
}
}
}
}
return $children;
}
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');
$actual = CssUtils::extractImports($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)
{
$sc = new \scssc();
$sc->addImportPath($loadPath);
foreach ($this->importPaths as $path) {
$sc->addImportPath($path);
}
$children = array();
foreach (CssUtils::extractImports($content) as $match) {
$file = $sc->findImport($match);
if ($file) {
$children[] = $child = $factory->createAsset($file, array(), array('root' => $loadPath));
$child->load();
$children = array_merge($children, $this->getChildren($factory, $child->getContent(), $loadPath));
}
}
return $children;
}
public function getChildren(AssetFactory $factory, $content, $loadPath = null)
{
$loadPaths = $this->loadPaths;
if ($loadPath) {
array_unshift($loadPaths, $loadPath);
}
if (!$loadPaths) {
return array();
}
$children = array();
foreach (CssUtils::extractImports($content) as $reference) {
if ('.css' === substr($reference, -4)) {
// skip normal css imports
// todo: skip imports with media queries
continue;
}
// the reference may or may not have an extension or be a partial
if (pathinfo($reference, PATHINFO_EXTENSION)) {
$needles = array($reference, self::partialize($reference));
} else {
$needles = array($reference . '.scss', $reference . '.sass', self::partialize($reference) . '.scss', self::partialize($reference) . '.sass');
}
foreach ($loadPaths as $loadPath) {
foreach ($needles as $needle) {
if (file_exists($file = $loadPath . '/' . $needle)) {
$coll = $factory->createAsset($file, array(), array('root' => $loadPath));
foreach ($coll as $leaf) {
/** @var $leaf AssetInterface */
$leaf->ensureFilter($this);
$children[] = $leaf;
goto next_reference;
}
}
}
}
next_reference:
}
return $children;
}
