1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Swaggest\JsonDiff; |
4
|
|
|
|
5
|
|
|
use Swaggest\JsonDiff\JsonPatch\Add; |
6
|
|
|
use Swaggest\JsonDiff\JsonPatch\Copy; |
7
|
|
|
use Swaggest\JsonDiff\JsonPatch\Move; |
8
|
|
|
use Swaggest\JsonDiff\JsonPatch\OpPath; |
9
|
|
|
use Swaggest\JsonDiff\JsonPatch\OpPathFrom; |
10
|
|
|
use Swaggest\JsonDiff\JsonPatch\OpPathValue; |
11
|
|
|
use Swaggest\JsonDiff\JsonPatch\Remove; |
12
|
|
|
use Swaggest\JsonDiff\JsonPatch\Replace; |
13
|
|
|
use Swaggest\JsonDiff\JsonPatch\Test; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* JSON Patch is specified in [RFC 6902](http://tools.ietf.org/html/rfc6902) from the IETF. |
17
|
|
|
* |
18
|
|
|
* Class JsonPatch |
19
|
|
|
*/ |
20
|
|
|
class JsonPatch implements \JsonSerializable |
21
|
|
|
{ |
22
|
|
|
/** |
23
|
|
|
* Disallow converting empty array to object for key creation |
24
|
|
|
* @see JsonPointer::STRICT_MODE |
25
|
|
|
*/ |
26
|
|
|
const STRICT_MODE = 2; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* Allow associative arrays to mimic JSON objects (not recommended) |
30
|
|
|
*/ |
31
|
|
|
const TOLERATE_ASSOCIATIVE_ARRAYS = 8; |
32
|
|
|
|
33
|
|
|
|
34
|
|
|
private $flags = 0; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* @param int $options |
38
|
|
|
* @return $this |
39
|
|
|
*/ |
40
|
2 |
|
public function setFlags($options) |
41
|
|
|
{ |
42
|
2 |
|
$this->flags = $options; |
43
|
2 |
|
return $this; |
44
|
|
|
} |
45
|
|
|
|
46
|
|
|
/** @var OpPath[] */ |
47
|
|
|
private $operations = array(); |
48
|
|
|
|
49
|
|
|
/** |
50
|
|
|
* @param array $data |
51
|
|
|
* @return JsonPatch |
52
|
|
|
* @throws Exception |
53
|
|
|
*/ |
54
|
108 |
|
public static function import(array $data) |
55
|
|
|
{ |
56
|
108 |
|
$result = new JsonPatch(); |
57
|
108 |
|
foreach ($data as $operation) { |
58
|
|
|
/** @var OpPath|OpPathValue|OpPathFrom|array $operation */ |
59
|
102 |
|
if (is_array($operation)) { |
60
|
4 |
|
$operation = (object)$operation; |
61
|
|
|
} |
62
|
|
|
|
63
|
102 |
|
if (!is_object($operation)) { |
64
|
1 |
|
throw new Exception('Invalid patch operation - should be a JSON object'); |
65
|
|
|
} |
66
|
101 |
|
|
67
|
1 |
|
if (!isset($operation->op)) { |
68
|
|
|
throw new MissingFieldException('op', $operation); |
69
|
|
|
} |
70
|
100 |
|
if (!isset($operation->path)) { |
71
|
100 |
|
throw new MissingFieldException('path', $operation); |
72
|
100 |
|
} |
73
|
40 |
|
|
74
|
40 |
|
$op = null; |
75
|
64 |
|
switch ($operation->op) { |
76
|
6 |
|
case Add::OP: |
77
|
6 |
|
$op = new Add(); |
78
|
58 |
|
break; |
79
|
8 |
|
case Copy::OP: |
80
|
8 |
|
$op = new Copy(); |
81
|
50 |
|
break; |
82
|
18 |
|
case Move::OP: |
83
|
18 |
|
$op = new Move(); |
84
|
36 |
|
break; |
85
|
19 |
|
case Remove::OP: |
86
|
19 |
|
$op = new Remove(); |
87
|
20 |
|
break; |
88
|
18 |
|
case Replace::OP: |
89
|
18 |
|
$op = new Replace(); |
90
|
|
|
break; |
91
|
2 |
|
case Test::OP: |
92
|
|
|
$op = new Test(); |
93
|
98 |
|
break; |
94
|
98 |
|
default: |
95
|
71 |
|
throw new UnknownOperationException($operation); |
96
|
5 |
|
} |
97
|
|
|
$op->path = $operation->path; |
98
|
66 |
|
if ($op instanceof OpPathValue) { |
99
|
32 |
|
if (property_exists($operation, 'value')) { |
100
|
14 |
|
$op->value = $operation->value; |
101
|
3 |
|
} else { |
102
|
|
|
throw new MissingFieldException('value', $operation); |
103
|
11 |
|
} |
104
|
|
|
} elseif ($op instanceof OpPathFrom) { |
105
|
90 |
|
if (!isset($operation->from)) { |
106
|
|
|
throw new MissingFieldException('from', $operation); |
107
|
96 |
|
} |
108
|
|
|
$op->from = $operation->from; |
109
|
|
|
} |
110
|
7 |
|
$result->operations[] = $op; |
111
|
|
|
} |
112
|
7 |
|
return $result; |
113
|
7 |
|
} |
114
|
7 |
|
|
115
|
|
|
public static function export(JsonPatch $patch) |
116
|
|
|
{ |
117
|
7 |
|
$result = array(); |
118
|
|
|
foreach ($patch->operations as $operation) { |
119
|
|
|
$result[] = (object)(array)$operation; |
120
|
33 |
|
} |
121
|
|
|
|
122
|
33 |
|
return $result; |
123
|
33 |
|
} |
124
|
|
|
|
125
|
|
|
public function op(OpPath $op) |
126
|
6 |
|
{ |
127
|
|
|
$this->operations[] = $op; |
128
|
6 |
|
return $this; |
129
|
|
|
} |
130
|
|
|
|
131
|
|
|
#[\ReturnTypeWillChange] |
132
|
|
|
public function jsonSerialize() |
133
|
|
|
{ |
134
|
|
|
return self::export($this); |
135
|
|
|
} |
136
|
|
|
|
137
|
100 |
|
/** |
138
|
|
|
* @param mixed $original |
139
|
100 |
|
* @param bool $stopOnError |
140
|
100 |
|
* @return Exception[] array of errors |
141
|
|
|
* @throws Exception |
142
|
94 |
|
*/ |
143
|
|
|
public function apply(&$original, $stopOnError = true) |
144
|
94 |
|
{ |
145
|
40 |
|
$errors = array(); |
146
|
32 |
|
foreach ($this->operations as $operation) { |
147
|
57 |
|
try { |
148
|
5 |
|
// track the current pointer field so we can use it for a potential PathException |
149
|
5 |
|
$pointerField = 'path'; |
150
|
4 |
|
$pathItems = JsonPointer::splitPath($operation->path); |
151
|
4 |
|
switch (true) { |
152
|
53 |
|
case $operation instanceof Add: |
153
|
7 |
|
JsonPointer::add($original, $pathItems, $operation->value, $this->flags); |
154
|
7 |
|
break; |
155
|
6 |
|
case $operation instanceof Copy: |
156
|
6 |
|
$pointerField = 'from'; |
157
|
6 |
|
$fromItems = JsonPointer::splitPath($operation->from); |
158
|
46 |
|
$value = JsonPointer::get($original, $fromItems); |
159
|
18 |
|
$pointerField = 'path'; |
160
|
14 |
|
JsonPointer::add($original, $pathItems, $value, $this->flags); |
161
|
32 |
|
break; |
162
|
18 |
|
case $operation instanceof Move: |
163
|
16 |
|
$pointerField = 'from'; |
164
|
16 |
|
$fromItems = JsonPointer::splitPath($operation->from); |
165
|
16 |
|
$value = JsonPointer::get($original, $fromItems); |
166
|
18 |
|
JsonPointer::remove($original, $fromItems, $this->flags); |
167
|
18 |
|
$pointerField = 'path'; |
168
|
15 |
|
JsonPointer::add($original, $pathItems, $value, $this->flags); |
169
|
15 |
|
break; |
170
|
15 |
|
case $operation instanceof Remove: |
171
|
3 |
|
JsonPointer::remove($original, $pathItems, $this->flags); |
172
|
3 |
|
break; |
173
|
|
|
case $operation instanceof Replace: |
174
|
73 |
|
JsonPointer::get($original, $pathItems); |
175
|
|
|
JsonPointer::remove($original, $pathItems, $this->flags); |
176
|
23 |
|
JsonPointer::add($original, $pathItems, $operation->value, $this->flags); |
177
|
23 |
|
break; |
178
|
21 |
|
case $operation instanceof Test: |
179
|
|
|
$value = JsonPointer::get($original, $pathItems); |
180
|
2 |
|
$diff = new JsonDiff($operation->value, $value, |
181
|
|
|
JsonDiff::STOP_ON_DIFF); |
182
|
|
|
if ($diff->getDiffCnt() !== 0) { |
183
|
|
|
throw new PatchTestOperationFailedException($operation, $value); |
184
|
80 |
|
} |
185
|
|
|
break; |
186
|
|
|
} |
187
|
|
|
} catch (JsonPointerException $jsonPointerException) { |
188
|
|
|
$pathException = new PathException( |
189
|
|
|
$jsonPointerException->getMessage(), |
190
|
|
|
$operation, |
191
|
|
|
$pointerField, |
192
|
|
|
$jsonPointerException->getCode() |
193
|
|
|
); |
194
|
|
|
if ($stopOnError) { |
195
|
|
|
throw $pathException; |
196
|
|
|
} else { |
197
|
|
|
$errors[] = $pathException; |
198
|
|
|
} |
199
|
|
|
} catch (Exception $exception) { |
200
|
|
|
if ($stopOnError) { |
201
|
|
|
throw $exception; |
202
|
|
|
} else { |
203
|
|
|
$errors[] = $exception; |
204
|
|
|
} |
205
|
|
|
} |
206
|
|
|
} |
207
|
|
|
return $errors; |
208
|
|
|
} |
209
|
|
|
} |
210
|
|
|
|