1<?php 2 3/* 4 * This file is part of the Prophecy. 5 * (c) Konstantin Kudryashov <ever.zet@gmail.com> 6 * Marcello Duarte <marcello.duarte@gmail.com> 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12namespace Prophecy\Argument\Token; 13 14use Prophecy\Exception\InvalidArgumentException; 15 16/** 17 * Array entry token. 18 * 19 * @author Boris Mikhaylov <kaguxmail@gmail.com> 20 */ 21class ArrayEntryToken implements TokenInterface 22{ 23 /** @var \Prophecy\Argument\Token\TokenInterface */ 24 private $key; 25 /** @var \Prophecy\Argument\Token\TokenInterface */ 26 private $value; 27 28 /** 29 * @param mixed $key exact value or token 30 * @param mixed $value exact value or token 31 */ 32 public function __construct($key, $value) 33 { 34 $this->key = $this->wrapIntoExactValueToken($key); 35 $this->value = $this->wrapIntoExactValueToken($value); 36 } 37 38 /** 39 * Scores half of combined scores from key and value tokens for same entry. Capped at 8. 40 * If argument implements \ArrayAccess without \Traversable, then key token is restricted to ExactValueToken. 41 * 42 * @param array|\ArrayAccess|\Traversable $argument 43 * 44 * @throws \Prophecy\Exception\InvalidArgumentException 45 * @return bool|int 46 */ 47 public function scoreArgument($argument) 48 { 49 if ($argument instanceof \Traversable) { 50 $argument = iterator_to_array($argument); 51 } 52 53 if ($argument instanceof \ArrayAccess) { 54 $argument = $this->convertArrayAccessToEntry($argument); 55 } 56 57 if (!is_array($argument) || empty($argument)) { 58 return false; 59 } 60 61 $keyScores = array_map(array($this->key,'scoreArgument'), array_keys($argument)); 62 $valueScores = array_map(array($this->value,'scoreArgument'), $argument); 63 $scoreEntry = function ($value, $key) { 64 return $value && $key ? min(8, ($key + $value) / 2) : false; 65 }; 66 67 return max(array_map($scoreEntry, $valueScores, $keyScores)); 68 } 69 70 /** 71 * Returns false. 72 * 73 * @return boolean 74 */ 75 public function isLast() 76 { 77 return false; 78 } 79 80 /** 81 * Returns string representation for token. 82 * 83 * @return string 84 */ 85 public function __toString() 86 { 87 return sprintf('[..., %s => %s, ...]', $this->key, $this->value); 88 } 89 90 /** 91 * Returns key 92 * 93 * @return TokenInterface 94 */ 95 public function getKey() 96 { 97 return $this->key; 98 } 99 100 /** 101 * Returns value 102 * 103 * @return TokenInterface 104 */ 105 public function getValue() 106 { 107 return $this->value; 108 } 109 110 /** 111 * Wraps non token $value into ExactValueToken 112 * 113 * @param $value 114 * @return TokenInterface 115 */ 116 private function wrapIntoExactValueToken($value) 117 { 118 return $value instanceof TokenInterface ? $value : new ExactValueToken($value); 119 } 120 121 /** 122 * Converts instance of \ArrayAccess to key => value array entry 123 * 124 * @param \ArrayAccess $object 125 * 126 * @return array|null 127 * @throws \Prophecy\Exception\InvalidArgumentException 128 */ 129 private function convertArrayAccessToEntry(\ArrayAccess $object) 130 { 131 if (!$this->key instanceof ExactValueToken) { 132 throw new InvalidArgumentException(sprintf( 133 'You can only use exact value tokens to match key of ArrayAccess object'.PHP_EOL. 134 'But you used `%s`.', 135 $this->key 136 )); 137 } 138 139 $key = $this->key->getValue(); 140 141 return $object->offsetExists($key) ? array($key => $object[$key]) : array(); 142 } 143} 144