1 files changed, 57 insertions, 0 deletions
diff --git a/vendors/lessphp/tests/sort.php b/vendors/lessphp/tests/sort.php
new file mode 100644
index 000000000..38662cb24
--- /dev/null
+++ b/vendors/lessphp/tests/sort.php
@@ -0,0 +1,57 @@
+<?php
+error_reporting(E_ALL);
+
+require realpath(dirname(__FILE__)).'/../lessc.inc.php';
+
+// sorts the selectors in stylesheet in order to normalize it for comparison
+
+$exe = array_shift($argv); // remove filename
+
+if (!$fname = array_shift($argv)) {
+	$fname = "php://stdin";
+}
+
+// also sorts the tags in the block
+function sort_key($block) {
+	if (!isset($block->sort_key)) {
+		sort($block->tags, SORT_STRING);
+		$block->sort_key = implode(",", $block->tags);
+	}
+
+	return $block->sort_key;
+}
+
+class sort_css extends lessc {
+	function __construct() {
+		parent::__construct();
+	}
+
+	// normalize numbers
+	function compileValue($value) {
+		$ignore = array('list', 'keyword', 'string', 'color', 'function');
+		if ($value[0] == 'number' || !in_array($value[0], $ignore)) {
+			$value[1] = $value[1] + 0; // convert to either double or int
+		}
+
+		return parent::compileValue($value);
+	}
+
+	function parse_and_sort($str) {
+		$root = $this->parseTree($str);
+
+		$less = $this;
+		usort($root->props, function($a, $b) use ($less) {
+
+			$sort = strcmp(sort_key($a[1]), sort_key($b[1]));
+			if ($sort == 0)
+				return strcmp($less->compileBlock($a[1]), $less->compileBlock($b[1]));
+			return $sort;
+		});
+
+		return $this->compileBlock($root);
+	}
+}
+
+$sorter = new sort_css;
+echo $sorter->parse_and_sort(file_get_contents($fname));
+