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<?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
$tabSetStr = "\n".str_repeat( ' ' , Less_Environment::$tabLevel-1 );
$tabRuleStr = $tabSetStr.' ';
$output->add( " {" );
for($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;
}
}
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