Subversion-Projekte lars-tiefland.laravel_shop

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
199 lars 1
<?php namespace Clockwork\Helpers;
2
 
3
// Prepares various types of data for serialization
4
class Serializer
5
{
6
	// Serialized objects cache by object hash
7
	protected $cache = [];
8
 
9
	// Options for the current instance
10
	protected $options = [];
11
 
12
	// Default options for new instances
13
	protected static $defaults = [
14
		'blackbox' => [
15
			\Illuminate\Container\Container::class,
16
			\Illuminate\Foundation\Application::class,
17
			\Laravel\Lumen\Application::class
18
		],
19
		'limit' => 10,
20
		'toArray' => false,
21
		'toString' => false,
22
		'debugInfo' => true,
23
		'jsonSerialize' => false,
24
		'traces' => true,
25
		'tracesFilter' => null,
26
		'tracesSkip' => null,
27
		'tracesLimit' => null
28
	];
29
 
30
	// Create a new instance optionally with options overriding defaults
31
	public function __construct(array $options = [])
32
	{
33
		$this->options = $options + static::$defaults;
34
	}
35
 
36
	// Set default options for all new instances
37
	public static function defaults(array $defaults)
38
	{
39
		static::$defaults = $defaults + static::$defaults;
40
	}
41
 
42
	// Prepares the passed data to be ready for serialization, takes any kind of data to normalize as the first
43
	// argument, other arguments are used internally in recursion
44
	public function normalize($data, $context = null, $limit = null)
45
	{
46
		if ($context === null) $context = [ 'references' => [] ];
47
		if ($limit === null) $limit = $this->options['limit'];
48
 
49
		if (is_array($data)) {
50
			if ($limit === 0) return [ '__type__' => 'array', '__omitted__' => 'limit' ];
51
 
52
			return [ '__type__' => 'array' ] + $this->normalizeEach($data, $context, $limit - 1);
53
		} elseif (is_object($data)) {
54
			if ($data instanceof \Closure) return [ '__type__' => 'anonymous function' ];
55
 
56
			$className = get_class($data);
57
			$objectHash = spl_object_hash($data);
58
 
59
			if ($limit === 0) return [ '__class__' => $className, '__omitted__' => 'limit' ];
60
 
61
			if (isset($context['references'][$objectHash])) return [ '__type__' => 'recursion' ];
62
 
63
			$context['references'][$objectHash] = true;
64
 
65
			if (isset($this->cache[$objectHash])) return $this->cache[$objectHash];
66
 
67
			if ($this->options['blackbox'] && in_array($className, $this->options['blackbox'])) {
68
				return $this->cache[$objectHash] = [ '__class__' => $className, '__omitted__' => 'blackbox' ];
69
			} elseif ($this->options['toString'] && method_exists($data, '__toString')) {
70
				return $this->cache[$objectHash] = (string) $data;
71
			}
72
 
73
			if ($this->options['debugInfo'] && method_exists($data, '__debugInfo')) {
74
				$data = (array) $data->__debugInfo();
75
			} elseif ($this->options['jsonSerialize'] && method_exists($data, 'jsonSerialize')) {
76
				$data = (array) $data->jsonSerialize();
77
			} elseif ($this->options['toArray'] && method_exists($data, 'toArray')) {
78
				$data = (array) $data->toArray();
79
			} else {
80
				$data = (array) $data;
81
			}
82
 
83
			$data = array_combine(
84
				array_map(function ($key) {
85
					// replace null-byte prefixes of protected and private properties used by php with * (protected)
86
					// and ~ (private)
87
					return preg_replace('/^\0.+?\0/', '~', str_replace("\0*\0", '*', $key));
88
				}, array_keys($data)),
89
				$this->normalizeEach($data, $context, $limit - 1)
90
			);
91
 
92
			return $this->cache[$objectHash] = [ '__class__' => $className ] + $data;
93
		} elseif (is_resource($data)) {
94
			return [ '__type__' => 'resource' ];
95
		}
96
 
97
		return $data;
98
	}
99
 
100
	// Normalize each member of an array (doesn't add metadata for top level)
101
	public function normalizeEach($data, $context = null, $limit = null) {
102
		return array_map(function ($item) use ($context, $limit) {
103
			return $this->normalize($item, $context, $limit);
104
		}, $data);
105
	}
106
 
107
	// Normalize a stack trace instance
108
	public function trace(StackTrace $trace)
109
	{
110
		if (! $this->options['traces']) return null;
111
 
112
		if ($this->options['tracesFilter']) $trace = $trace->filter($this->options['tracesFilter']);
113
		if ($this->options['tracesSkip']) $trace = $trace->skip($this->options['tracesSkip']);
114
		if ($this->options['tracesLimit']) $trace = $trace->limit($this->options['tracesLimit']);
115
 
116
		return array_map(function ($frame) {
117
			return [
118
				'call' => $frame->call,
119
				'file' => $frame->file,
120
				'line' => $frame->line,
121
				'isVendor' => (bool) $frame->vendor
122
			];
123
		}, $trace->frames());
124
	}
125
 
126
	// Normalize an exception instance
127
	public function exception(/* Throwable */ $exception)
128
	{
129
		return [
130
			'type'     => get_class($exception),
131
			'message'  => $exception->getMessage(),
132
			'code'     => $exception->getCode(),
133
			'file'     => $exception->getFile(),
134
			'line'     => $exception->getLine(),
135
			'trace'    => (new Serializer([ 'tracesLimit' => false ]))->trace(StackTrace::from($exception->getTrace())),
136
			'previous' => $exception->getPrevious() ? $this->exception($exception->getPrevious()) : null
137
		];
138
	}
139
}