87 lines
1.7 KiB
PHP
87 lines
1.7 KiB
PHP
<?php
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/*
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* This file is part of the Prophecy.
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* (c) Konstantin Kudryashov <ever.zet@gmail.com>
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* Marcello Duarte <marcello.duarte@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Prophecy\Argument\Token;
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/**
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* Array elements count token.
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*
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* @author Boris Mikhaylov <kaguxmail@gmail.com>
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*/
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class ArrayCountToken implements TokenInterface
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{
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private $count;
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/**
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* @param integer $value
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*/
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public function __construct($value)
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{
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$this->count = $value;
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}
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/**
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* Scores 6 when argument has preset number of elements.
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*
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* @param $argument
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*
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* @return bool|int
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*/
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public function scoreArgument($argument)
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{
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return $this->isCountable($argument) && $this->hasProperCount($argument) ? 6 : false;
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}
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/**
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* Returns false.
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*
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* @return boolean
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*/
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public function isLast()
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{
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return false;
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}
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/**
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* Returns string representation for token.
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*
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* @return string
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*/
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public function __toString()
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{
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return sprintf('count(%s)', $this->count);
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}
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/**
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* Returns true if object is either array or instance of \Countable
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*
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* @param $argument
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* @return bool
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*/
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private function isCountable($argument)
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{
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return (is_array($argument) || $argument instanceof \Countable);
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}
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/**
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* Returns true if $argument has expected number of elements
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*
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* @param array|\Countable $argument
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*
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* @return bool
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*/
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private function hasProperCount($argument)
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{
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return $this->count === count($argument);
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}
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}
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