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 testFilterCommentless()
{
$content = 'A/*B*/C/*D*/E';
$filtered = '';
$result = CssUtils::filterCommentless($content, function ($part) use(&$filtered) {
$filtered .= $part;
return $part;
});
$this->assertEquals('ACE', $filtered);
$this->assertEquals($content, $result);
}
public function rewrite()
{
$target = $this->target;
return CssUtils::filterUrls($this->originalContent, function ($matches) use($target) {
// root relative
if (isset($matches['url'][0]) && '/' == $matches['url'][0]) {
// ensure target is properly formatted
$target = rtrim($target, '/');
// return the corrected content
return str_replace($matches['url'], $target . $matches['url'], $matches[0]);
}
return $matches[0];
});
}
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 $children;
}
public static function filterReferences($content, $callback)
{
return CssUtils::filterReferences($content, function ($matches) use($callback) {
// The referenced path is a repository path
// e.g. "/webmozart/puli/images/bg.png"
$referencedPath = $matches['url'];
// Ignore empty URLs
if ('' === $referencedPath) {
return $matches[0];
}
// Ignore non-local paths
if (!Path::isLocal($referencedPath)) {
return $matches[0];
}
// Ignore "data:" URLs
if (0 === strpos($referencedPath, 'data:')) {
return $matches[0];
}
// If the referenced path is not absolute, resolve it relative to
// the directory of the source file
if (!Path::isAbsolute($referencedPath)) {
$referencedPath = Path::makeAbsolute($referencedPath, $repoDir);
}
// The referenced asset must be known
if (!array_key_exists($referencedPath, $pathMap)) {
throw new AssetException(sprintf('The asset "%s" referenced in "%s" could not be found.', $matches['url'], $repoPath));
}
// The target path of the referenced file must be set
if (!$pathMap[$referencedPath]) {
throw new AssetException(sprintf('The referenced path "%s" in "%s" cannot be resolved, because ' . 'the target path of "%s" is not set.', $matches['url'], $repoPath, $matches['url']));
}
// The target path of the source file must be set
if (!$targetPath) {
throw new AssetException(sprintf('The referenced path "%s" in "%s" cannot be resolved, because ' . 'the target path of "%s" is not set.', $matches['url'], $repoPath, $repoPath));
}
// Get the relative path from the source directory to the reference
// e.g. "/css/style.css" + "/images/bg.png" = "../images/bg.png"
$relativePath = Path::makeRelative($pathMap[$referencedPath], $targetDir);
return str_replace($matches['url'], $relativePath, $matches[0]);
});
}
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;
}
/**
* Filters an asset just before it's dumped.
*
* @param AssetInterface $asset An asset
*/
public function filterDump(AssetInterface $asset)
{
if (!$asset instanceof PuliAsset) {
return;
}
$pathMap = array();
// Get a map of repository paths to target paths
// e.g. "/webmozart/puli/images/bg.png" => "/images/bg.png"
foreach ($this->am->getNames() as $name) {
$this->extractTargetPaths($this->am->get($name), $pathMap);
}
// Remember the repository dir of the current resource
$repoPath = $asset->getSourcePath();
$repoDir = Path::getDirectory($repoPath);
// Get the target directory of the current resource
// e.g. "css"
$targetPath = $asset->getTargetPath();
$targetDir = Path::getDirectory($targetPath);
// Convert to an absolute path so that we can create a proper
// relative path later on
// e.g. "/css"
if (!Path::isAbsolute($targetDir)) {
$targetDir = '/' . $targetDir;
}
$content = CssUtils::filterReferences($asset->getContent(), function ($matches) use($pathMap, $repoDir, $repoPath, $targetDir, $targetPath) {
// The referenced path is a repository path
// e.g. "/webmozart/puli/images/bg.png"
$referencedPath = $matches['url'];
// Ignore empty URLs
if ('' === $referencedPath) {
return $matches[0];
}
// Ignore non-local paths
if (!Path::isLocal($referencedPath)) {
return $matches[0];
}
// Ignore "data:" URLs
if (0 === strpos($referencedPath, 'data:')) {
return $matches[0];
}
// If the referenced path is not absolute, resolve it relative to
// the directory of the source file
if (!Path::isAbsolute($referencedPath)) {
$referencedPath = Path::makeAbsolute($referencedPath, $repoDir);
}
// The referenced asset must be known
if (!array_key_exists($referencedPath, $pathMap)) {
throw new AssetException(sprintf('The asset "%s" referenced in "%s" could not be found.', $referencedPath, $repoPath));
}
// The target path of the referenced file must be set
if (!$pathMap[$referencedPath]) {
throw new AssetException(sprintf('The referenced path "%s" in "%s" cannot be resolved, because ' . 'the target path of "%s" is not set.', $matches['url'], $repoPath, $matches['url']));
}
// The target path of the source file must be set
if (!$targetPath) {
throw new AssetException(sprintf('The referenced path "%s" in "%s" cannot be resolved, because ' . 'the target path of "%s" is not set.', $matches['url'], $repoPath, $repoPath));
}
// Get the relative path from the source directory to the reference
// e.g. "/css/style.css" + "/images/bg.png" = "../images/bg.png"
$relativePath = Path::makeRelative($pathMap[$referencedPath], $targetDir);
return str_replace($matches['url'], $relativePath, $matches[0]);
});
$asset->setContent($content);
}
/**
* @see CssUtils::filterIEFilters()
*/
protected function filterIEFilters($content, $callback, $limit = -1, &$count = 0)
{
return CssUtils::filterIEFilters($content, $callback, $limit, $count);
}
/**
* Get advanced file info only for compiling collections
* @return void
*/
public function fileAdvancedInfo()
{
$this->path = public_path() . '/' . app('config')->get('assets::public_dir') . '/' . $this->name;
if (app('files')->exists($this->path)) {
$this->fileName = basename($this->path);
$this->extension = app('files')->extension($this->path);
$this->modified = (int) @filemtime($this->path);
$this->dirty = false;
// Check for import statements
$this->contents = $this->contents();
// Assets directory
$assetDir = pathinfo($this->name, PATHINFO_DIRNAME);
$item =& $this;
// Prepare callback for imports
$callback = function ($matches) use($assetDir, $item) {
if (isset($matches[2]) and $import = $matches[2]) {
$isRemote = (strpos($import, 'http://') === 0 or strpos($import, 'https://') === 0 or strpos($import, '//') === 0);
if (!$isRemote) {
$importPath = public_path() . '/' . app('config')->get('assets::public_path') . '/' . $assetDir . '/' . str_replace("\"", "", $import);
$importModified = (int) @filemtime($importPath);
// Check modified time
if ($importModified > $item->modified) {
$item->modified = $importModified;
}
// Get imported contents
return app('files')->get($importPath);
} elseif (isset($matches[0])) {
return $matches[0];
}
}
};
// Test
if ($this->type == 'css') {
$this->contents = CssUtils::filterImports($this->contents, $callback);
}
// Update group modified time
if ($this->modified > $this->collection->modified) {
$this->collection->setModified($this->modified);
}
}
}