<?php
namespace Hamcrest\Core;

/*
 Copyright (c) 2009 hamcrest.org
 */

use Hamcrest\Description;
use Hamcrest\Matcher;
use Hamcrest\TypeSafeDiagnosingMatcher;

class Every extends TypeSafeDiagnosingMatcher
{

    private $_matcher;

    public function __construct(Matcher $matcher)
    {
        parent::__construct(self::TYPE_ARRAY);

        $this->_matcher = $matcher;
    }

    protected function matchesSafelyWithDiagnosticDescription($items, Description $mismatchDescription)
    {
        foreach ($items as $item) {
            if (!$this->_matcher->matches($item)) {
                $mismatchDescription->appendText('an item ');
                $this->_matcher->describeMismatch($item, $mismatchDescription);

                return false;
            }
        }

        return true;
    }

    public function describeTo(Description $description)
    {
        $description->appendText('every item is ')->appendDescriptionOf($this->_matcher);
    }

    /**
     * @param Matcher $itemMatcher
     *   A matcher to apply to every element in an array.
     *
     * @return \Hamcrest\Core\Every
     *   Evaluates to TRUE for a collection in which every item matches $itemMatcher
     *
     * @factory
     */
    public static function everyItem(Matcher $itemMatcher)
    {
        return new self($itemMatcher);
    }
}