Same name and namespace in other branches
- 5.0.x advagg_css_minify/src/Asset/CssMinifier.php \Drupal\advagg_css_minify\Asset\CssMinifier::minifyCore()
- 6.0.x advagg_css_minify/src/Asset/CssMinifier.php \Drupal\advagg_css_minify\Asset\CssMinifier::minifyCore()
- 8.x-3.x advagg_css_minify/src/Asset/CssMinifier.php \Drupal\advagg_css_minify\Asset\CssMinifier::minifyCore()
Minify a css string with the core css minification algorithm.
Paramètres
string $contents: The contents of the stylesheet.
Return value
string Minified css by the core minification method.
Voir aussi
\Drupal\Core\Asset\CssOptimizer::processCss()
1 call to CssMinifier::minifyCore()
- CssMinifier::optimize dans advagg_css_minify/
src/ Asset/ CssMinifier.php - Optimize the asset's content.
Fichier
-
advagg_css_minify/
src/ Asset/ CssMinifier.php, line 133
Classe
- CssMinifier
- Optimizes a JavaScript asset.
Namespace
Drupal\advagg_css_minify\AssetCode
protected function minifyCore($contents) {
// Perform some safe CSS optimizations.
// Regexp to match comment blocks.
$comment = '/\\*[^*]*\\*+(?:[^/*][^*]*\\*+)*/';
// Regexp to match double quoted strings.
$double_quot = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"';
// Regexp to match single quoted strings.
$single_quot = "'[^'\\\\]*(?:\\\\.[^'\\\\]*)*'";
// Strip all comment blocks, but keep double/single quoted strings.
$contents = preg_replace("<({$double_quot}|{$single_quot})|{$comment}>Ss", "\$1", $contents);
// Remove certain whitespace.
// There are different conditions for removing leading and trailing
// whitespace.
// @see http://php.net/manual/regexp.reference.subpatterns.php
$contents = preg_replace('<
# Do not strip any space from within single or double quotes
(' . $double_quot . '|' . $single_quot . ')
# Strip leading and trailing whitespace.
| \\s*([@{};,])\\s*
# Strip only leading whitespace from:
# - Closing parenthesis: Retain "@media (bar) and foo".
| \\s+([\\)])
# Strip only trailing whitespace from:
# - Opening parenthesis: Retain "@media (bar) and foo".
# - Colon: Retain :pseudo-selectors.
| ([\\(:])\\s+
>xSs', '$1$2$3$4', $contents);
return $contents;
}