/**
* SCSSify the stylesheet and return the href of the compiled file
*
* @param string $src Source URL of the file to be parsed
* @param string $handle An identifier for the file used to create the file name in the cache
* @return string URL of the compiled stylesheet
*/
public function parse_stylesheet($src, $handle)
{
// we only want to handle .scss files
if (!preg_match('/\\.scss(\\.php)?$/', preg_replace('/\\?.*$/', '', $src))) {
return $src;
}
// get file path from $src
if (!strstr($src, '?')) {
$src .= '?';
}
// prevent non-existent index warning when using list() & explode()
// vars to pass into the compiler - default @themeurl var for image urls etc...
$this->add_vars(array('theme-url' => '"' . get_template_directory_uri() . '"'));
// Lets get the paths we need
$scss_directory = str_replace(get_template_directory_uri() . "/", "", $src);
$scss_directory = substr($scss_directory, 0, strrpos($scss_directory, '/'));
$scss_directory = get_template_directory() . "/{$scss_directory}";
$scss_filename = substr(basename($src), 0, strrpos(basename($src), '?'));
$css_filename = str_replace("scss", "css", $scss_filename);
$css_directory_uri = wp_upload_dir()['baseurl'] . "/wp-scss-cache";
$this->set_scss_directory($scss_directory);
$this->set_handle($handle);
$this->set_src_path("{$scss_directory}/{$scss_filename}");
$this->add_vars(apply_filters('scss_vars', $this->get_vars(), $handle));
$scss_is_changed = $this->scss_is_changed();
$is_changed = $scss_is_changed['changed'];
$hash = $scss_is_changed['hash'];
$this->add_vars(array('color-map' => array("blue" => "green", "yellow" => "purple")));
// Don't recompile if the neither the vars nor the source have changed
if (!$is_changed && !WP_DEBUG) {
return "{$css_directory_uri}/{$css_filename}";
}
// Do recompile if either the vars or soure have changed
try {
$scss = new \Leafo\ScssPhp\Compiler();
$scss->setVariables($this->vars);
$scss->addImportPath($scss_directory);
$compiled_css = $scss->compile(file_get_contents("{$scss_directory}/{$scss_filename}"));
$this->save_parsed_css($this->get_css_directory() . "/{$css_filename}", $compiled_css);
} catch (Exception $ex) {
wp_die($ex->getMessage());
}
return "{$css_directory_uri}/{$css_filename}?ver={$hash}";
}
/**
* Compile SCSS into CSS.
*
* @param string|array $source_filename
* @param string $target_filename
* @param array $variables (optional)
* @parsm bool $minify (optional)
* @return bool
*/
public static function compileSCSS($source_filename, $target_filename, $variables = array(), $minify = false)
{
// Get the cleaned and concatenated content.
$content = self::concatCSS($source_filename, $target_filename);
// Compile!
try {
$scss_compiler = new \Leafo\ScssPhp\Compiler();
$scss_compiler->setFormatter($minify ? '\\Leafo\\ScssPhp\\Formatter\\Crunched' : '\\Leafo\\ScssPhp\\Formatter\\Expanded');
$scss_compiler->setImportPaths(array(dirname(is_array($source_filename) ? array_first($source_filename) : $source_filename)));
if ($variables) {
$scss_compiler->setVariables($variables);
}
$charset = strpos($content, '@charset') === false ? '@charset "UTF-8";' . "\n" : '';
$content = $charset . $scss_compiler->compile($content) . "\n";
$result = true;
} catch (\Exception $e) {
$content = '/*' . "\n" . 'Error while compiling SCSS:' . "\n" . $e->getMessage() . "\n" . '*/' . "\n";
$result = false;
}
// Save the result to the target file.
Storage::write($target_filename, $content);
return $result;
}
/**
*
* @param type $variables
* @param type $functions
* @return \Leafo\ScssPhp\Server|boolean
*/
function get_scss_parser($variables, $functions)
{
if (!(include_once SCSSPHP_INC . 'scss.inc.php')) {
trigger_error('Unable to process .scss file -- SCSSPHP not configured correctly on your server. Check the SCSSPHP_INC setting in settings/package_settings.php.');
return false;
}
$scss = new Leafo\ScssPhp\Compiler();
$scss->setFormatter('Leafo\\ScssPhp\\Formatter\\Compressed');
$scss->setVariables($variables);
foreach ($functions as $name => $func) {
$scss->registerFunction($name, $func);
}
return new \Leafo\ScssPhp\Server('.', '.', $scss);
}
