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49 lines
850 B
49 lines
850 B
<?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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