<?php

	lt_include( PLOG_CLASS_PATH."class/data/validator/validator.class.php" );
    lt_include( PLOG_CLASS_PATH."class/data/validator/rules/arrayrule.class.php" );

    /**
     * \ingroup Validator
     *
     * validates if a value is a php array. Useful when we are expecting
	 * parameters as array in a request and we'd like to know whether we're really
	 * receiving an array.
	 *
	 * @see ArrayRule
     */
    class ArrayValidator extends Validator
    {
        var $_elementRules;

        function ArrayValidator()
        {
            $this->Validator();
			$this->_elementRules = array();

            $this->addRule(new ArrayRule());
        }

        /**
         * Adds a rule to the ArrayValidator to validate the array element
         *
         * @param rule A valid Rule object
         */
        function addElementRule(&$rule)
        {
            $this->_elementRules[] = &$rule;
        }

        /**
         * ArrayValidator's own validate, it will validate the array itself first, then
         * validate each element.
         *
         * @param values The array that we're going to validate.
         */
        function validate($values)
        {
            $validateOk = parent::validate($values);
            if( !$validateOk )
            	return false;
            	
            foreach( $values as $value )
            {
	            foreach ($this->_elementRules as $rule)
	            {
	                if (!$rule->validate($value))
	                {
	                    $this->_setError($rule->getError());
	                    return false;
	                }
	            }
	        }

            return true;
        }
    }
?>