1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace DOMSelector; |
6
|
|
|
|
7
|
|
|
use DOMSelector\Contracts\FormatterInterface; |
8
|
|
|
use DOMSelector\Providers\TypeProvider; |
9
|
|
|
use Exception; |
10
|
|
|
use PHPHtmlParser\Dom; |
11
|
|
|
use Psr\Http\Client\ClientExceptionInterface; |
12
|
|
|
use Psr\Http\Client\ClientInterface; |
13
|
|
|
|
14
|
|
|
/** |
15
|
|
|
* Class DOMSelector. |
16
|
|
|
*/ |
17
|
|
|
class DOMSelector |
18
|
|
|
{ |
19
|
|
|
/** |
20
|
|
|
* @var array |
21
|
|
|
*/ |
22
|
|
|
private $config = []; |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* @var array |
26
|
|
|
*/ |
27
|
|
|
private $formatters = []; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* Selector DOM class. |
31
|
48 |
|
* |
32
|
|
|
* @var Dom |
33
|
48 |
|
*/ |
34
|
|
|
private $dom; |
35
|
48 |
|
|
36
|
15 |
|
/** |
37
|
15 |
|
* Type Handler Class. |
38
|
15 |
|
* |
39
|
|
|
* @var TypeProvider |
40
|
|
|
*/ |
41
|
|
|
protected $typeProvider; |
42
|
48 |
|
|
43
|
|
|
/** |
44
|
|
|
* DOMSelector constructor. |
45
|
|
|
* |
46
|
|
|
* @param array $config |
47
|
48 |
|
* @param array $formatters |
48
|
|
|
*/ |
49
|
48 |
|
public function __construct(array $config, array $formatters = []) |
50
|
|
|
{ |
51
|
48 |
|
$this->config = $config; |
52
|
|
|
$this->dom = new Dom(); |
53
|
|
|
$this->typeProvider = new TypeProvider(); |
54
|
|
|
|
55
|
|
|
if (!empty($formatters)) { |
56
|
|
|
foreach ($formatters as $formatter) { |
57
|
3 |
|
if ($formatter instanceof FormatterInterface) { |
58
|
|
|
$this->formatters[$formatter->getName()] = $formatter; |
59
|
3 |
|
} |
60
|
|
|
} |
61
|
3 |
|
} |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
/** |
65
|
|
|
* Create Extractor object from yaml string. |
66
|
|
|
*/ |
67
|
|
|
public static function fromYamlString(string $yaml_string, array $formatters = []): DOMSelector |
68
|
|
|
{ |
69
|
3 |
|
$config = \yaml_parse($yaml_string); |
70
|
|
|
|
71
|
3 |
|
return new DOMSelector($config, $formatters); |
72
|
|
|
} |
73
|
|
|
|
74
|
|
|
/** |
75
|
|
|
* Create Extractor object from yaml file. |
76
|
|
|
*/ |
77
|
|
|
public static function fromYamlFile(string $yaml_file, array $formatters = []): DOMSelector |
78
|
|
|
{ |
79
|
3 |
|
$config = \yaml_parse_file($yaml_file); |
80
|
|
|
|
81
|
3 |
|
return new DOMSelector($config, $formatters); |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
/** |
85
|
|
|
* Get config. |
86
|
|
|
* |
87
|
|
|
* @return array |
88
|
|
|
*/ |
89
|
|
|
public function getConfig(): array |
90
|
|
|
{ |
91
|
15 |
|
return $this->config; |
92
|
|
|
} |
93
|
15 |
|
|
94
|
|
|
/** |
95
|
|
|
* Get all formatters. |
96
|
|
|
* |
97
|
|
|
* @return array |
98
|
|
|
*/ |
99
|
|
|
public function getFormatters(): array |
100
|
|
|
{ |
101
|
|
|
return $this->formatters; |
102
|
|
|
} |
103
|
|
|
|
104
|
|
|
/** |
105
|
42 |
|
* Get specific formatter. |
106
|
|
|
* |
107
|
42 |
|
* @return false|mixed|FormatterInterface |
108
|
|
|
*/ |
109
|
42 |
|
public function getFormatter(string $formatter) |
110
|
|
|
{ |
111
|
42 |
|
return $this->formatters[$formatter] ?? false; |
112
|
|
|
} |
113
|
42 |
|
|
114
|
42 |
|
/** |
115
|
|
|
* Get formatters from config. |
116
|
|
|
* |
117
|
42 |
|
* @param string|array $items |
118
|
|
|
* |
119
|
|
|
* @return array |
120
|
|
|
*/ |
121
|
|
|
protected function getFormettersFromConfig($items): array |
122
|
|
|
{ |
123
|
|
|
$formatters = []; |
124
|
|
|
|
125
|
|
|
if (!is_array($items)) { |
126
|
|
|
$items = [$items]; |
127
|
|
|
} |
128
|
42 |
|
|
129
|
|
|
foreach ($items as $item) { |
130
|
42 |
|
$formatter = $this->getFormatter($item); |
131
|
|
|
if ($formatter) { |
132
|
|
|
$formatters[$item] = $formatter; |
133
|
42 |
|
} |
134
|
3 |
|
} |
135
|
|
|
|
136
|
|
|
return $formatters; |
137
|
42 |
|
} |
138
|
3 |
|
|
139
|
|
|
/** |
140
|
|
|
* Extract config items from HTML string. |
141
|
39 |
|
* |
142
|
9 |
|
* @param string|Dom $html |
143
|
|
|
* |
144
|
33 |
|
* @return array |
145
|
|
|
*/ |
146
|
|
|
public function extract($html): array |
147
|
39 |
|
{ |
148
|
|
|
if (!$html instanceof Dom) { |
149
|
39 |
|
$this->dom->loadStr($html); |
150
|
39 |
|
} |
151
|
6 |
|
|
152
|
|
|
$fields_data = []; |
153
|
39 |
|
|
154
|
|
|
foreach ($this->config as $field_name => $field_config) { |
155
|
39 |
|
$fields_data[$field_name] = $this->extractSelector($field_config, $this->dom); |
156
|
12 |
|
} |
157
|
3 |
|
|
158
|
|
|
return $fields_data; |
159
|
|
|
} |
160
|
12 |
|
|
161
|
12 |
|
/** |
162
|
12 |
|
* Extract config items from HTML file. |
163
|
|
|
* |
164
|
|
|
* @param string $file |
165
|
|
|
* |
166
|
|
|
* @throws Exception |
167
|
39 |
|
* |
168
|
|
|
* @return array |
169
|
|
|
*/ |
170
|
39 |
|
public function extractFromFile(string $file): array |
171
|
6 |
|
{ |
172
|
|
|
try { |
173
|
36 |
|
$this->dom->loadFromFile($file); |
174
|
|
|
} catch (Exception $e) { |
175
|
|
|
throw new Exception($e->getMessage()); |
176
|
|
|
} |
177
|
6 |
|
|
178
|
|
|
return $this->extract($this->dom); |
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
/** |
182
|
|
|
* Extract config items from url. |
183
|
|
|
* |
184
|
|
|
* @param string $url |
185
|
|
|
* @param ClientInterface|null|mixed $client |
186
|
|
|
* |
187
|
|
|
* @throws Exception|ClientExceptionInterface |
188
|
|
|
* |
189
|
39 |
|
* @return array |
190
|
|
|
*/ |
191
|
39 |
|
public function extractFromUrl(string $url, $client = null): array |
192
|
|
|
{ |
193
|
39 |
|
try { |
194
|
9 |
|
$this->dom->loadFromUrl($url, null, $client); |
195
|
30 |
|
} catch (Exception $e) { |
196
|
3 |
|
throw new Exception($e->getMessage()); |
197
|
30 |
|
} |
198
|
3 |
|
|
199
|
27 |
|
return $this->extract($this->dom); |
200
|
3 |
|
} |
201
|
27 |
|
|
202
|
27 |
|
/** |
203
|
|
|
* Extract selector. |
204
|
|
|
* |
205
|
39 |
|
* @param array $field_config |
206
|
|
|
* @param Dom|mixed $dom |
207
|
12 |
|
* |
208
|
12 |
|
* @return array|string|bool |
209
|
|
|
*/ |
210
|
|
|
protected function extractSelector(array $field_config, $dom) |
211
|
|
|
{ |
212
|
39 |
|
try { |
213
|
|
|
$elements = $dom->find($field_config['css']); |
214
|
|
|
} catch (Exception $e) { |
215
|
|
|
$elements = []; |
216
|
|
|
} |
217
|
|
|
|
218
|
|
|
$item_type = $this->typeProvider->getType($field_config['type'] ?? '') ? $field_config['type'] : 'Text'; |
219
|
|
|
|
220
|
|
|
$values = []; |
221
|
|
|
|
222
|
|
|
foreach ($elements as $element) { |
223
|
6 |
|
if (isset($field_config['children'])) { |
224
|
|
|
$value = $this->getChildItem($field_config, $element); |
225
|
6 |
|
} else { |
226
|
6 |
|
$formatters = $this->getFormettersFromConfig($field_config['format'] ?? []); |
227
|
|
|
|
228
|
6 |
|
$value = $this->extractField($element, $item_type, $field_config['attribute'] ?? null, $formatters); |
229
|
6 |
|
} |
230
|
6 |
|
|
231
|
|
|
if (isset($field_config['multiple']) && $field_config['multiple'] === true) { |
232
|
|
|
$values[] = $value; |
233
|
6 |
|
} else { |
234
|
|
|
return $value; |
235
|
|
|
} |
236
|
|
|
} |
237
|
|
|
|
238
|
|
|
return $values; |
239
|
|
|
} |
240
|
|
|
|
241
|
|
|
/** |
242
|
|
|
* Extract field. |
243
|
|
|
* |
244
|
|
|
* @param mixed $element |
245
|
|
|
* @param string $item_type |
246
|
|
|
* @param mixed $attribute |
247
|
|
|
* @param array $formatters |
248
|
|
|
* |
249
|
|
|
* @return false|mixed|string |
250
|
|
|
*/ |
251
|
|
|
protected function extractField($element, string $item_type, $attribute = null, array $formatters = []) |
252
|
|
|
{ |
253
|
|
|
$content = false; |
254
|
|
|
|
255
|
|
|
$type = $this->typeProvider->getType($item_type); |
256
|
|
|
|
257
|
|
|
if ($type) { |
258
|
|
|
$content = $type->getContent($element, $attribute); |
259
|
|
|
} |
260
|
|
|
|
261
|
|
|
if (!empty($formatters) && $content) { |
262
|
|
|
/** @var FormatterInterface $formatter */ |
263
|
|
|
foreach ($formatters as $formatter) { |
264
|
|
|
$content = $formatter->format($content); |
265
|
|
|
} |
266
|
|
|
} |
267
|
|
|
|
268
|
|
|
return $content; |
269
|
|
|
} |
270
|
|
|
|
271
|
|
|
/** |
272
|
|
|
* Get child item. |
273
|
|
|
* |
274
|
|
|
* @param array $field_config |
275
|
|
|
* @param mixed $element |
276
|
|
|
* |
277
|
|
|
* @return array |
278
|
|
|
*/ |
279
|
|
|
public function getChildItem(array $field_config, $element): array |
280
|
|
|
{ |
281
|
|
|
$child_config = $field_config['children']; |
282
|
|
|
$child_item = []; |
283
|
|
|
|
284
|
|
|
foreach ($child_config as $config_name => $config_fields) { |
285
|
|
|
$child_value = $this->extractSelector($config_fields, $element); |
286
|
|
|
$child_item[$config_name] = $child_value; |
287
|
|
|
} |
288
|
|
|
|
289
|
|
|
return $child_item; |
290
|
|
|
} |
291
|
|
|
} |
292
|
|
|
|