|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
3
|
|
|
* This file is part of the Abstract builder package, an RunOpenCode project. |
|
4
|
|
|
* |
|
5
|
|
|
* (c) 2017 RunOpenCode |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
*/ |
|
10
|
|
|
namespace RunOpenCode\AbstractBuilder\Ast; |
|
11
|
|
|
|
|
12
|
|
|
use PhpParser\NodeTraverser; |
|
13
|
|
|
use PhpParser\NodeVisitor\NameResolver; |
|
14
|
|
|
use PhpParser\ParserFactory; |
|
15
|
|
|
use RunOpenCode\AbstractBuilder\Ast\Visitor\ClassIntrospectionVisitor; |
|
16
|
|
|
use RunOpenCode\AbstractBuilder\Exception\RuntimeException; |
|
17
|
|
|
|
|
18
|
|
|
class ClassLoader |
|
19
|
|
|
{ |
|
20
|
|
|
/** |
|
21
|
|
|
* @var \PhpParser\Parser |
|
22
|
|
|
*/ |
|
23
|
|
|
private $parser; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var \PhpParser\NodeTraverser |
|
27
|
|
|
*/ |
|
28
|
|
|
private $traverser; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var ClassIntrospectionVisitor |
|
32
|
|
|
*/ |
|
33
|
|
|
private $introspector; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* ClassLoader constructor. |
|
37
|
|
|
*/ |
|
38
|
|
|
public function __construct() |
|
39
|
|
|
{ |
|
40
|
|
|
$this->parser = (new ParserFactory())->create(ParserFactory::ONLY_PHP7); |
|
41
|
|
|
$this->traverser = new NodeTraverser(); |
|
42
|
|
|
$this->introspector = new ClassIntrospectionVisitor(); |
|
43
|
|
|
|
|
44
|
|
|
$this->traverser->addVisitor(new NameResolver()); |
|
45
|
|
|
$this->traverser->addVisitor($this->introspector); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Load class and build its metadata value object |
|
50
|
|
|
* |
|
51
|
|
|
* @param string $class Filename or full qualified class name |
|
52
|
|
|
* |
|
53
|
|
|
* @return ClassMetadata |
|
54
|
|
|
* |
|
55
|
|
|
* @throws \RunOpenCode\AbstractBuilder\Exception\RuntimeException |
|
56
|
|
|
* @throws \RunOpenCode\AbstractBuilder\Exception\InvalidArgumentException |
|
57
|
|
|
*/ |
|
58
|
|
|
public function load($class) |
|
59
|
|
|
{ |
|
60
|
|
|
$filename = $class; |
|
61
|
|
|
|
|
62
|
|
|
if (class_exists($class, true)) { |
|
63
|
|
|
$filename = (new \ReflectionClass($class))->getFileName(); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
if (file_exists($filename)) { |
|
67
|
|
|
|
|
68
|
|
|
$this->traverser->traverse($this->parser->parse(file_get_contents($filename))); |
|
|
|
|
|
|
69
|
|
|
$classes = $this->introspector->getClasses(); |
|
70
|
|
|
|
|
71
|
|
|
if (0 === count($classes)) { |
|
72
|
|
|
throw new RuntimeException(sprintf('Class definition does not exist in "%s".', $filename)); |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
if ($filename === $class && count($classes) > 1) { |
|
76
|
|
|
throw new RuntimeException(sprintf('There are more than one class definition in "%s" and it can not be determined which class to use.', $filename)); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
if (1 === count($classes)) { |
|
80
|
|
|
|
|
81
|
|
|
return new ClassMetadata( |
|
82
|
|
|
$classes[0]['ast'], |
|
83
|
|
|
$classes[0]['namespace'], |
|
84
|
|
|
$classes[0]['class'], |
|
85
|
|
|
$filename, |
|
86
|
|
|
$classes[0]['final'], |
|
87
|
|
|
$classes[0]['abstract'], |
|
88
|
|
|
$classes[0]['methods'], |
|
89
|
|
|
null !== $classes[0]['parent'] ? $this->load($classes[0]['parent']) : null |
|
90
|
|
|
); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
$class = trim('\\', $class); |
|
94
|
|
|
|
|
95
|
|
|
foreach ($classes as $metadata) { |
|
96
|
|
|
|
|
97
|
|
|
if ($class === $metadata['fqcn']) { |
|
98
|
|
|
|
|
99
|
|
|
return new ClassMetadata( |
|
100
|
|
|
$metadata['ast'], |
|
101
|
|
|
$metadata['namespace'], |
|
102
|
|
|
$metadata['class'], |
|
103
|
|
|
$filename, |
|
104
|
|
|
$metadata['final'], |
|
105
|
|
|
$metadata['abstract'], |
|
106
|
|
|
$metadata['methods'], |
|
107
|
|
|
null !== $metadata['parent'] ? $this->load($metadata['parent']) : null |
|
108
|
|
|
); |
|
109
|
|
|
} |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
throw new RuntimeException(sprintf('Unable to load class from "%s".', $class)); |
|
114
|
|
|
} |
|
115
|
|
|
} |
|
116
|
|
|
|
RunOpenCode /
abstract-builder
This check looks at variables that are passed out again to other methods.
If the outgoing method call has stricter type requirements than the method itself, an issue is raised.
An additional type check may prevent trouble.