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- <?php
-
- /*
- * This file is part of the Assetic package, an OpenSky project.
- *
- * (c) 2010-2011 OpenSky Project Inc
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
- namespace Assetic\Filter;
-
- use Assetic\Asset\AssetInterface;
- use Assetic\Filter\FilterInterface;
- use Assetic\Util\ProcessBuilder;
-
- /**
- * Loads Compass files.
- *
- * @author Maxime Thirouin <maxime.thirouin@gmail.com>
- */
- class CompassFilter implements FilterInterface
- {
- private $compassPath;
- private $scss;
-
- // sass options
- private $unixNewlines;
- private $debugInfo;
- private $cacheLocation;
- private $noCache;
-
- // compass options
- private $force;
- private $style;
- private $quiet;
- private $boring;
- private $noLineComments;
- private $imagesDir;
- private $javascriptsDir;
-
- // compass configuration file options
- private $plugins = array();
- private $loadPaths = array();
- private $httpPath;
- private $httpImagesPath;
- private $httpJavascriptsPath;
-
- public function __construct($compassPath = '/usr/bin/compass')
- {
- $this->compassPath = $compassPath;
- $this->cacheLocation = sys_get_temp_dir();
-
- if ('cli' !== php_sapi_name()) {
- $this->boring = true;
- }
- }
-
- public function setScss($scss)
- {
- $this->scss = $scss;
- }
-
- // sass options setters
- public function setUnixNewlines($unixNewlines)
- {
- $this->unixNewlines = $unixNewlines;
- }
-
- public function setDebugInfo($debugInfo)
- {
- $this->debugInfo = $debugInfo;
- }
-
- public function setCacheLocation($cacheLocation)
- {
- $this->cacheLocation = $cacheLocation;
- }
-
- public function setNoCache($noCache)
- {
- $this->noCache = $noCache;
- }
-
- // compass options setters
- public function setForce($force)
- {
- $this->force = $force;
- }
-
- public function setStyle($style)
- {
- $this->style = $style;
- }
-
- public function setQuiet($quiet)
- {
- $this->quiet = $quiet;
- }
-
- public function setBoring($boring)
- {
- $this->boring = $boring;
- }
-
- public function setNoLineComments($noLineComments)
- {
- $this->noLineComments = $noLineComments;
- }
-
- public function setImagesDir($imagesDir)
- {
- $this->imagesDir = $imagesDir;
- }
-
- public function setJavascriptsDir($javascriptsDir)
- {
- $this->javascriptsDir = $javascriptsDir;
- }
-
- // compass configuration file options setters
- public function setPlugins(array $plugins)
- {
- $this->plugins = $plugins;
- }
-
- public function addPlugin($plugin)
- {
- $this->plugins[] = $plugin;
- }
-
- public function addLoadPath($loadPath)
- {
- $this->loadPaths[] = $loadPath;
- }
-
- public function setHttpPath($httpPath)
- {
- $this->httpPath = $httpPath;
- }
-
- public function setHttpImagesPath($httpImagesPath)
- {
- $this->httpImagesPath = $httpImagesPath;
- }
-
- public function setHttpJavascriptsPath($httpJavascriptsPath)
- {
- $this->httpJavascriptsPath = $httpJavascriptsPath;
- }
-
- public function filterLoad(AssetInterface $asset)
- {
- $root = $asset->getSourceRoot();
- $path = $asset->getSourcePath();
-
- $loadPaths = $this->loadPaths;
- if ($root && $path) {
- $loadPaths[] = dirname($root.'/'.$path);
- }
-
- // compass does not seems to handle symlink, so we use realpath()
- $tempDir = realpath(sys_get_temp_dir());
-
- $pb = new ProcessBuilder(array(
- $this->compassPath,
- 'compile',
- $tempDir,
- ));
- $pb->inheritEnvironmentVariables();
-
- if ($this->force) {
- $pb->add('--force');
- }
-
- if ($this->style) {
- $pb->add('--output-style')->add($this->style);
- }
-
- if ($this->quiet) {
- $pb->add('--quiet');
- }
-
- if ($this->boring) {
- $pb->add('--boring');
- }
-
- if ($this->noLineComments) {
- $pb->add('--no-line-comments');
- }
-
- // these two options are not passed into the config file
- // because like this, compass adapts this to be xxx_dir or xxx_path
- // whether it's an absolute path or not
- if ($this->imagesDir) {
- $pb->add('--images-dir')->add($this->imagesDir);
- }
-
- if ($this->javascriptsDir) {
- $pb->add('--javascripts-dir')->add($this->javascriptsDir);
- }
-
- // options in config file
- $optionsConfig = array();
-
- if (!empty($loadPaths)) {
- $optionsConfig['additional_import_paths'] = $loadPaths;
- }
-
- if ($this->unixNewlines) {
- $optionsConfig['sass_options']['unix_newlines'] = true;
- }
-
- if ($this->debugInfo) {
- $optionsConfig['sass_options']['debug_info'] = true;
- }
-
- if ($this->cacheLocation) {
- $optionsConfig['sass_options']['cache_location'] = $this->cacheLocation;
- }
-
- if ($this->noCache) {
- $optionsConfig['sass_options']['no_cache'] = true;
- }
-
- if ($this->httpPath) {
- $optionsConfig['http_path'] = $this->httpPath;
- }
-
- if ($this->httpImagesPath) {
- $optionsConfig['http_images_path'] = $this->httpImagesPath;
- }
-
- if ($this->httpJavascriptsPath) {
- $optionsConfig['http_javascripts_path'] = $this->httpJavascriptsPath;
- }
-
- // options in configuration file
- if (count($optionsConfig)) {
- $config = array();
- foreach ($this->plugins as $plugin) {
- $config[] = sprintf("require '%s'", addcslashes($plugin, '\\'));
- }
- foreach ($optionsConfig as $name => $value) {
- if (!is_array($value)) {
- $config[] = sprintf('%s = "%s"', $name, addcslashes($value, '\\'));
- } elseif (!empty($value)) {
- $config[] = sprintf('%s = %s', $name, $this->formatArrayToRuby($value));
- }
- }
-
- $configFile = tempnam($tempDir, 'assetic_compass');
- file_put_contents($configFile, implode("\n", $config)."\n");
- $pb->add('--config')->add($configFile);
- }
-
- $pb->add('--sass-dir')->add('')->add('--css-dir')->add('');
-
- // compass choose the type (sass or scss from the filename)
- if (null !== $this->scss) {
- $type = $this->scss ? 'scss' : 'sass';
- } elseif ($path) {
- // FIXME: what if the extension is something else?
- $type = pathinfo($path, PATHINFO_EXTENSION);
- } else {
- $type = 'scss';
- }
-
- $tempName = tempnam($tempDir, 'assetic_compass');
- unlink($tempName); // FIXME: don't use tempnam() here
-
- // input
- $pb->add($input = $tempName.'.'.$type);
- file_put_contents($input, $asset->getContent());
-
- // output
- $output = $tempName.'.css';
-
- // it's not really usefull but... https://github.com/chriseppstein/compass/issues/376
- $pb->setEnv('HOME', sys_get_temp_dir());
-
- $proc = $pb->getProcess();
- $code = $proc->run();
-
- if (0 < $code) {
- unlink($input);
- if (isset($configFile)) {
- unlink($configFile);
- }
-
- throw new \RuntimeException($proc->getErrorOutput().'...'.$proc->getOutput());
- }
-
- $asset->setContent(file_get_contents($output));
-
- unlink($input);
- unlink($output);
- if (isset($configFile)) {
- unlink($configFile);
- }
- }
-
- public function filterDump(AssetInterface $asset)
- {
- }
-
- private function formatArrayToRuby($array)
- {
- $output = array();
-
- // does we have an associative array ?
- if (count(array_filter(array_keys($array), "is_numeric")) != count($array)) {
- foreach($array as $name => $value) {
- $output[] = sprintf(' :%s => "%s"', $name, addcslashes($value, '\\'));
- }
- $output = "{\n".implode(",\n", $output)."\n}";
- } else {
- foreach($array as $name => $value) {
- $output[] = sprintf(' "%s"', addcslashes($value, '\\'));
- }
- $output = "[\n".implode(",\n", $output)."\n]";
- }
-
- return $output;
- }
- }
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