<?php

class FarODPNode {
	var $children = array();
	var $i = 0;
	var $level = 0;
	function FarODPNode() {

	}

	function setLevel($level) {
	    $this->level = $level;
	}

	function addNode($node) {
	    $this->children[$this->i] = $node;
	    $this->i++;
	}

	function hasChildren() {
	    return (count($this->children) > 0) ? true : false;
	}

	function getElementsByClassName($class) {
	    $out = array();
	
	    // PHP4 returns classes only in lowercase.
		if (strtolower(get_class($this)) ==	strtolower($class)) {
			$out[] = $this;
		}
		
		if ($this->hasChildren()) {
			foreach ($this->children as $c) {
				$out = array_merge($out, $c->getElementsByClassName($class));
			}
		}
		
		return $out;
	}

	function accept($v, $level) {
	    $v->visit($this, 0);
	    if (count($this->children) > 0) {
			foreach ($this->children as $n) {
			   $n->accept($v, $level + 1);
			}
		}
	}
}

class AbstractVisitor {
	var $i = 0;
	function visit($v, $level) {
	    $nodeClass = get_class($v);
	    $m = 'visit' . substr($nodeClass, 3);
	    $this->$m($v, $level);
	}
}

class AstCurCat extends FarODPNode {
	var $cat;

	function AstCurCat($cat) {
	    $this->cat = $cat;
	}
}

class AstAToZItem extends FarODPNode {
	var $name;
	var $cat;
	function AstAToZItem($name, $cat) {
	    $this->name = $name;
	    $this->cat = $cat;
	}
}

class AstAToZ extends FarODPNode {
	function AstAToZ() {
	}
}

class AstBrowseCategoryContainer extends FarODPNode {
	function AstBrowseCategoryContainer() {

	}
}

class AstBrowseCategorySection extends FarODPNode {
	function AstBrowseCategorySection() {
	
	}
}

class AstCategoryBlock extends FarODPNode {
	var $cat;
	var $name;

	function AstCategoryBlock($cat, $name) {
	    $this->cat = $cat;
	    $this->name = $name;
	}
}

class AstCategoryBlockExample extends FarODPNode {
	var $cat;
	var $name;
	
	function AstCategoryBlockExample($cat, $name) {
	    $this->cat = $cat;
	    $this->name = $name;
	}
}

class AstBrowseCategory extends FarODPNode {
	var $cat;
	var $name;
	var $count;

	function AstBrowseCategory($cat, $name, $count) {
	    $this->cat = $cat;
	    $this->name = $name;
	    $this->count = $count;
	}
}

class AstBrowseCategorySymbolic extends FarODPNode {
	var $cat;
	var $name;
	var $count;

	function AstBrowseCategorySymbolic($cat, $name, $count) {
	    $this->cat = $cat;
	    $this->name = $name;
	    $this->count = $count;
	}
}

class AstBrowseCategoryRelatedSection extends FarODPNode {
	function AstBrowseCategoryRelatedSection() {

	}
}

class AstBrowseCategoryRelated extends FarODPNode {
	var $cat;
	var $name;
	var $count;
	function AstBrowseCategoryRelated($cat, $name, $count) {
		$this->cat = $cat;
		$this->name = $name;
		$this->count = $count;
	}
}

class AstBrowseListingContainer extends FarODPNode {
	function AstBrowseListingContainer() {

	}
}

class AstBrowseListing extends FarODPNode {
	var $url;
	var $title;
	var $description;
	var $isStar;
	var $nofollow;

	function AstBrowseListing($url, $title, $description, $isStar = false, $nofollow = false) {
	    $this->url = $url;
	    $this->title = $title;
	    $this->description = $description;
	    $this->isStar = $isStar;
	    $this->nofollow = $nofollow;
	}
}

class AstSearchListingContainer extends FarODPNode {
	function AstSearchListingContainer() {

	}
}

class AstSearchListing extends FarODPNode {
	var $url;
	var $title;
	var $description;
	var $isStar;
	var $category;
	var $nofollow;

	function AstSearchListing($url, $title, $description, $isStar, $category, $nofollow = false) {
	    $this->url = $url;
	    $this->title = $title;
	    $this->description = $description;
	    $this->isStar = $isStar;
	    $this->category = $category;
	    $this->nofollow = $nofollow;
	}
}

?>