protected function inlineImportCallback($matches)
{
$replacement = '';
if (isset($matches[2])) {
$uri = trim($matches[2], '\'"');
} else {
$uri = trim($matches[1], '\'"');
}
// modify relative path to be relative to root, rather than
// directory of CSS file
if ($this->isRelative($uri)) {
$uri = $this->sourceDirectory . '/' . $uri;
$uri = new Concentrate_Path($uri);
$uri = (string) $uri->evaluate();
}
if (!$this->inlinedFiles->contains($uri)) {
// recursively inline the import
$inliner = Concentrate_Inliner::factory($this->root, $uri, $this->destinationFilename, $this->inlinedFiles);
$content = $inliner->load($inliner->filename);
$replacement = "\n/* at-import inlined file \"{$uri}\" */\n";
$replacement .= $inliner->inlineImports($content);
$this->inlinedFiles->add($uri);
}
return $replacement;
}
public function pack($root, array $sourceFiles, $destinationFile)
{
$packedFiles = new Concentrate_FileList();
$content = '';
foreach ($sourceFiles as $sourceFile) {
$inliner = Concentrate_Inliner::factory($root, $sourceFile, $destinationFile, $packedFiles);
$content .= $inliner->getInlineContent();
}
$filename = $root . DIRECTORY_SEPARATOR . $destinationFile;
if (!file_exists($filename) && !is_writable($root) || file_exists($filename) && !is_writable($filename)) {
throw new Concentrate_FileException("The file '{$filename}' could not be written.");
}
file_put_contents($filename, $content);
return $this;
}