1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
<?php
/**
* @link http://github.com/zendframework/zend-servicemanager for the canonical source repository
* @copyright Copyright (c) 2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\ServiceManager\Tool;
use ReflectionClass;
use ReflectionParameter;
use Zend\ServiceManager\Exception\InvalidArgumentException;
class FactoryCreator
{
const FACTORY_TEMPLATE = <<<'EOT'
<?php
namespace %s;
use Interop\Container\ContainerInterface;
use Zend\ServiceManager\Factory\FactoryInterface;
use %s;
class %sFactory implements FactoryInterface
{
/**
* @param ContainerInterface $container
* @param string $requestedName
* @param null|array $options
* @return %s
*/
public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
{
return new %s(%s);
}
}
EOT;
/**
* @param string $className
* @return string
*/
public function createFactory($className)
{
$class = $this->getClassName($className);
return sprintf(
self::FACTORY_TEMPLATE,
str_replace('\\' . $class, '', $className),
$className,
$class,
$class,
$class,
$this->createArgumentString($className)
);
}
/**
* @param $className
* @return string
*/
private function getClassName($className)
{
$class = substr($className, strrpos($className, '\\') + 1);
return $class;
}
/**
* @param string $className
* @return array
*/
private function getConstructorParameters($className)
{
$reflectionClass = new ReflectionClass($className);
if (! $reflectionClass || ! $reflectionClass->getConstructor()) {
return [];
}
$constructorParameters = $reflectionClass->getConstructor()->getParameters();
if (empty($constructorParameters)) {
return [];
}
$constructorParameters = array_filter(
$constructorParameters,
function (ReflectionParameter $argument) {
if ($argument->isOptional()) {
return false;
}
if (null === $argument->getClass()) {
throw new InvalidArgumentException(sprintf(
'Cannot identify type for constructor argument "%s"; '
. 'no type hint, or non-class/interface type hint',
$argument->getName()
));
}
return true;
}
);
if (empty($constructorParameters)) {
return [];
}
return array_map(function (ReflectionParameter $parameter) {
return $parameter->getClass()->getName();
}, $constructorParameters);
}
/**
* @param string $className
* @return string
*/
private function createArgumentString($className)
{
$arguments = array_map(function ($dependency) {
return sprintf('$container->get(\\%s::class)', $dependency);
}, $this->getConstructorParameters($className));
switch (count($arguments)) {
case 0:
return '';
case 1:
return array_shift($arguments);
default:
$argumentPad = str_repeat(' ', 12);
$closePad = str_repeat(' ', 8);
return sprintf(
"\n%s%s\n%s",
$argumentPad,
implode(",\n" . $argumentPad, $arguments),
$closePad
);
}
}
}