<?php
	/**
	 * ConditionsTag class
	 *
	 * @author Arnia Software
	 * @package /classes/xml/xmlquery/tags/condition
	 * @version 0.1
	 */
	class ConditionsTag {
		/**
		 * ConditionGroupTag list
		 * @var array value is ConditionGroupTag object
		 */
		var $condition_groups;

		/**
		 * constructor
		 * @param object $xml_conditions
		 * @return void
		 */
		function ConditionsTag($xml_conditions){
			$this->condition_groups = array();
			if (!$xml_conditions)
			    return;

                        $xml_condition_list = array();
                        if($xml_conditions->condition)
                            $xml_condition_list = $xml_conditions->condition;

                        if($xml_conditions->query){
                            if(!is_array($xml_condition_list)) $xml_condition_list = array($xml_condition_list);
                            if(!is_array($xml_conditions->query)) $xml_conditions->query = array($xml_conditions->query);
                            $xml_condition_list = array_merge($xml_condition_list, $xml_conditions->query);
                        }
			if($xml_condition_list){
				$this->condition_groups[] = new ConditionGroupTag($xml_condition_list);
			}

			$xml_groups = $xml_conditions->group;
			if($xml_groups){
				if(!is_array($xml_groups)) $xml_groups = array($xml_groups);
				foreach($xml_groups as $group){
					$this->condition_groups[] = new ConditionGroupTag($group->condition, $group->attrs->pipe);
				}
			}
		}

		/**
		 * ConditionGroupTag object to string
		 * @return string
		 */
		function toString(){
			$output_conditions = 'array(' . PHP_EOL;
			foreach($this->condition_groups as $condition){
				$output_conditions .= $condition->getConditionGroupString() . PHP_EOL . ',';
			}
			$output_conditions = substr($output_conditions, 0, -1);
			$output_conditions .= ')';
			return $output_conditions;
		}

		function getArguments(){
			$arguments = array();
			foreach($this->condition_groups as $condition){
				$arguments = array_merge($arguments, $condition->getArguments());
			}
			return $arguments;
		}
	}
?>
