47 lines
876 B
PHP
47 lines
876 B
PHP
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<?php
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/**
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* Visitor
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*
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* @package Less
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* @subpackage visitor
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*/
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class Less_Visitor {
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protected $methods = array();
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protected $_visitFnCache = array();
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public function __construct() {
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$this->_visitFnCache = get_class_methods( get_class( $this ) );
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$this->_visitFnCache = array_flip( $this->_visitFnCache );
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}
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public function visitObj( $node ) {
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$funcName = 'visit'.$node->type;
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if ( isset( $this->_visitFnCache[$funcName] ) ) {
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$visitDeeper = true;
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$this->$funcName( $node, $visitDeeper );
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if ( $visitDeeper ) {
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$node->accept( $this );
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}
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$funcName = $funcName . "Out";
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if ( isset( $this->_visitFnCache[$funcName] ) ) {
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$this->$funcName( $node );
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}
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} else {
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$node->accept( $this );
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}
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return $node;
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}
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public function visitArray( $nodes ) {
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array_map( array( $this,'visitObj' ), $nodes );
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return $nodes;
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}
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}
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