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-rw-r--r--lib/less.php/Tree.php90
1 files changed, 90 insertions, 0 deletions
diff --git a/lib/less.php/Tree.php b/lib/less.php/Tree.php
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+++ b/lib/less.php/Tree.php
@@ -0,0 +1,90 @@
+<?php
+
+/**
+ * Tree
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree{
+
+ public $cache_string;
+
+ public function toCSS(){
+ $output = new Less_Output();
+ $this->genCSS($output);
+ return $output->toString();
+ }
+
+
+ /**
+ * Generate CSS by adding it to the output object
+ *
+ * @param Less_Output $output The output
+ * @return void
+ */
+ public function genCSS($output){}
+
+
+ /**
+ * @param Less_Tree_Ruleset[] $rules
+ */
+ public static function outputRuleset( $output, $rules ){
+
+ $ruleCnt = count($rules);
+ Less_Environment::$tabLevel++;
+
+
+ // Compressed
+ if( Less_Parser::$options['compress'] ){
+ $output->add('{');
+ for( $i = 0; $i < $ruleCnt; $i++ ){
+ $rules[$i]->genCSS( $output );
+ }
+
+ $output->add( '}' );
+ Less_Environment::$tabLevel--;
+ return;
+ }
+
+
+ // Non-compressed
+ $tabSetStr = "\n".str_repeat( Less_Parser::$options['indentation'] , Less_Environment::$tabLevel-1 );
+ $tabRuleStr = $tabSetStr.Less_Parser::$options['indentation'];
+
+ $output->add( " {" );
+ for($i = 0; $i < $ruleCnt; $i++ ){
+ $output->add( $tabRuleStr );
+ $rules[$i]->genCSS( $output );
+ }
+ Less_Environment::$tabLevel--;
+ $output->add( $tabSetStr.'}' );
+
+ }
+
+ public function accept($visitor){}
+
+
+ public static function ReferencedArray($rules){
+ foreach($rules as $rule){
+ if( method_exists($rule, 'markReferenced') ){
+ $rule->markReferenced();
+ }
+ }
+ }
+
+
+ /**
+ * Requires php 5.3+
+ */
+ public static function __set_state($args){
+
+ $class = get_called_class();
+ $obj = new $class(null,null,null,null);
+ foreach($args as $key => $val){
+ $obj->$key = $val;
+ }
+ return $obj;
+ }
+
+}