|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Pforret\PfPageparser; |
|
4
|
|
|
|
|
5
|
|
|
use GuzzleHttp\Client; |
|
6
|
|
|
use GuzzleHttp\Exception\GuzzleException; |
|
7
|
|
|
use Psr\Log; |
|
8
|
|
|
use Psr\Log\AbstractLogger; |
|
9
|
|
|
|
|
10
|
|
|
class PfPageparser |
|
11
|
|
|
{ |
|
12
|
|
|
// Build your next great package. |
|
13
|
|
|
private $config; |
|
14
|
|
|
private $content=""; |
|
15
|
|
|
private $chunks=[]; |
|
16
|
|
|
private $parsed=[]; |
|
17
|
|
|
private $logger=null; |
|
18
|
|
|
|
|
19
|
|
|
public function __construct(array $config=[], AbstractLogger $logger=null){ |
|
20
|
|
|
$defaults=[ |
|
21
|
|
|
'userAgent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36', |
|
22
|
|
|
'cacheTtl' => 3600, |
|
23
|
|
|
'timeOut' => 10, |
|
24
|
|
|
'method' => 'GET', |
|
25
|
|
|
]; |
|
26
|
|
|
|
|
27
|
|
|
if($logger){ |
|
28
|
|
|
$this->logger=$logger; |
|
29
|
|
|
} |
|
30
|
|
|
$this->config=array_merge($defaults,$config); |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
public function get_config(){ |
|
34
|
|
|
return $this->config; |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/* ------------------------------------------ |
|
38
|
|
|
* LOADING THE CONTENT FROM A URL/FILE/STRING |
|
39
|
|
|
*/ |
|
40
|
|
|
|
|
41
|
|
|
public function load_from_url(string $url,array $options=[]): PfPageparser |
|
42
|
|
|
{ |
|
43
|
|
|
// TODO: load with caching |
|
44
|
|
|
$options=array_merge($this->config,$options); |
|
45
|
|
|
$client = new Client(); |
|
46
|
|
|
try { |
|
47
|
|
|
$res = $client->request($options['method'], $url); |
|
48
|
|
|
} catch (GuzzleException $e) { |
|
49
|
|
|
$this->log(); |
|
|
|
|
|
|
50
|
|
|
} |
|
51
|
|
|
$this->content=$res->getBody(); |
|
|
|
|
|
|
52
|
|
|
|
|
53
|
|
|
return $this; |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
public function load_from_file(string $filename): PfPageparser |
|
57
|
|
|
{ |
|
58
|
|
|
// load directly from file |
|
59
|
|
|
|
|
60
|
|
|
if(file_exists($filename)){ |
|
61
|
|
|
$this->content=file_get_contents($filename); |
|
62
|
|
|
} |
|
63
|
|
|
return $this; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
public function load_fom_string(string $string): PfPageparser |
|
67
|
|
|
{ |
|
68
|
|
|
// load HTML string |
|
69
|
|
|
$this->content=$string; |
|
70
|
|
|
return $this; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/* ------------------------------------------ |
|
74
|
|
|
* GET RAW CONTENT BACK |
|
75
|
|
|
*/ |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @return string |
|
79
|
|
|
*/ |
|
80
|
|
|
public function get_content():string |
|
81
|
|
|
{ |
|
82
|
|
|
// for backward compatibility |
|
83
|
|
|
return $this->raw(); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* @return string |
|
88
|
|
|
*/ |
|
89
|
|
|
public function raw(): string |
|
90
|
|
|
{ |
|
91
|
|
|
return $this->content; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
/* ------------------------------------------ |
|
95
|
|
|
* MODIFY THE RAW CONTENT |
|
96
|
|
|
*/ |
|
97
|
|
|
|
|
98
|
|
|
public function trim_before(string $pattern,bool $is_regex=false): PfPageparser |
|
99
|
|
|
{ |
|
100
|
|
|
$found = $is_regex ? preg_match($pattern, $this->content, $matches) : strpos($this->content, $pattern); |
|
101
|
|
|
if($found) $this->content = substr($this->content, $found); |
|
102
|
|
|
return $this; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
public function trim_after(string $pattern,bool $is_regex=false): PfPageparser |
|
106
|
|
|
{ |
|
107
|
|
|
$found = $is_regex ? preg_match($pattern, $this->content, $matches) : strpos($this->content, $pattern); |
|
108
|
|
|
if($found) $this->content=substr($this->content,0,$found); |
|
109
|
|
|
return $this; |
|
110
|
|
|
|
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
public function trim(string $before="<body",string $after="</body",bool $is_regex=false): PfPageparser |
|
114
|
|
|
{ |
|
115
|
|
|
$this->trim_before($before,$is_regex); |
|
116
|
|
|
$this->trim_after($after,$is_regex); |
|
117
|
|
|
return $this; |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
/* ------------------------------------------ |
|
121
|
|
|
* RAW CONTENT => CHUNKS |
|
122
|
|
|
*/ |
|
123
|
|
|
|
|
124
|
|
|
/** |
|
125
|
|
|
* @param $pattern |
|
126
|
|
|
* @param $is_regex |
|
127
|
|
|
* @return $this |
|
128
|
|
|
* split the HTML content into chunks based on a text or regex separator |
|
129
|
|
|
*/ |
|
130
|
|
|
|
|
131
|
|
|
public function split_chunks(string $pattern,bool $is_regex=false): PfPageparser |
|
132
|
|
|
{ |
|
133
|
|
|
if(!$is_regex){ |
|
134
|
|
|
$this->chunks=explode($pattern,$this->content); |
|
135
|
|
|
} else { |
|
136
|
|
|
$this->chunks=[]; |
|
137
|
|
|
preg_match_all($pattern,$this->content,$matches, PREG_OFFSET_CAPTURE); |
|
138
|
|
|
if($matches) { |
|
139
|
|
|
$from_char=0; |
|
140
|
|
|
foreach($matches[0] as $match){ |
|
141
|
|
|
$separator=$match[0]; |
|
142
|
|
|
$at_char=$match[1]; |
|
143
|
|
|
$this->chunks[]=substr($this->content,$from_char,$at_char-$from_char-1); |
|
144
|
|
|
$from_char=$at_char+strlen($separator); |
|
145
|
|
|
} |
|
146
|
|
|
} else { |
|
147
|
|
|
$this->chunks[]=$this->content; |
|
148
|
|
|
} |
|
149
|
|
|
} |
|
150
|
|
|
return $this; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* @param array $pattern_keep |
|
155
|
|
|
* @param array $pattern_remove |
|
156
|
|
|
* @param bool $is_regex |
|
157
|
|
|
* @return $this |
|
158
|
|
|
*/ |
|
159
|
|
|
public function filter_chunks(array $pattern_keep=[], array $pattern_remove=[], bool $is_regex=false): PfPageparser |
|
160
|
|
|
{ |
|
161
|
|
|
$id=false; |
|
162
|
|
|
$matches=false; |
|
163
|
|
|
$chunk=false; |
|
164
|
|
|
|
|
165
|
|
|
if(empty($this->chunks)){ |
|
166
|
|
|
// not split in chunks yet |
|
167
|
|
|
// do nothing |
|
168
|
|
|
return $this; |
|
169
|
|
|
} |
|
170
|
|
|
foreach($this->chunks as $id => $chunk){ |
|
171
|
|
|
// |
|
172
|
|
|
$keep_chunk=true; |
|
173
|
|
View Code Duplication |
if(!empty($pattern_keep)){ |
|
|
|
|
|
|
174
|
|
|
$pattern_found=false; |
|
175
|
|
|
foreach($pattern_keep as $pattern){ |
|
176
|
|
|
if($is_regex){ |
|
177
|
|
|
$pattern_found=($pattern_found OR preg_match($pattern,$chunk,$matches)); |
|
178
|
|
|
} else { |
|
179
|
|
|
$pattern_found=($pattern_found OR strstr($chunk,$pattern)); |
|
180
|
|
|
} |
|
181
|
|
|
} |
|
182
|
|
|
$keep_chunk=($keep_chunk AND $pattern_found); |
|
183
|
|
|
} |
|
184
|
|
View Code Duplication |
if(!empty($pattern_remove)){ |
|
|
|
|
|
|
185
|
|
|
$pattern_found=false; |
|
186
|
|
|
foreach($pattern_remove as $pattern){ |
|
187
|
|
|
if($is_regex){ |
|
188
|
|
|
$pattern_found=($pattern_found OR preg_match($pattern,$chunk,$matches)); |
|
189
|
|
|
} else { |
|
190
|
|
|
$pattern_found=($pattern_found OR strstr($chunk,$pattern)); |
|
191
|
|
|
} |
|
192
|
|
|
} |
|
193
|
|
|
$keep_chunk=($keep_chunk AND !$pattern_found); |
|
194
|
|
|
} |
|
195
|
|
|
if(!$keep_chunk){ |
|
196
|
|
|
unset($this->chunks[$id]); |
|
197
|
|
|
} |
|
198
|
|
|
} |
|
199
|
|
|
return $this; |
|
200
|
|
|
} |
|
201
|
|
|
|
|
202
|
|
|
/** |
|
203
|
|
|
* @param string $pattern |
|
204
|
|
|
* @param bool $restart |
|
205
|
|
|
* @return PfPageparser |
|
206
|
|
|
*/ |
|
207
|
|
|
public function parse_fom_chunks(string $pattern,bool $only_one=false, bool $restart=false): PfPageparser |
|
208
|
|
|
{ |
|
209
|
|
|
if(empty($this->chunks)){ |
|
210
|
|
|
return $this; |
|
211
|
|
|
} |
|
212
|
|
|
if($restart or empty($this->parsed)){ |
|
213
|
|
|
$items=&$this->chunks; |
|
214
|
|
|
} else { |
|
215
|
|
|
$items=&$this->parsed; |
|
216
|
|
|
} |
|
217
|
|
|
foreach($items as $item){ |
|
218
|
|
|
$matches=[]; |
|
219
|
|
|
if(preg_match_all($pattern,$item,$matches,PREG_SET_ORDER)){ |
|
220
|
|
|
$chunk_results=[]; |
|
221
|
|
|
foreach($matches as $match){ |
|
222
|
|
|
if($only_one){ |
|
223
|
|
|
$chunk_results=$match[1]; |
|
224
|
|
|
} else { |
|
225
|
|
|
$chunk_results[]=$match[1]; |
|
226
|
|
|
} |
|
227
|
|
|
} |
|
228
|
|
|
$this->parsed[]=$chunk_results; |
|
229
|
|
|
} |
|
230
|
|
|
} |
|
231
|
|
|
return $this; |
|
232
|
|
|
} |
|
233
|
|
|
|
|
234
|
|
|
public function get_chunks(): array |
|
235
|
|
|
{ |
|
236
|
|
|
return $this->chunks; |
|
237
|
|
|
} |
|
238
|
|
|
|
|
239
|
|
|
public function results(bool $before_parsing=false): array |
|
240
|
|
|
{ |
|
241
|
|
|
if($before_parsing or empty($this->parsed)){ |
|
242
|
|
|
return $this->chunks; |
|
243
|
|
|
} else { |
|
244
|
|
|
return $this->parsed; |
|
245
|
|
|
} |
|
246
|
|
|
} |
|
247
|
|
|
|
|
248
|
|
|
private function log(string $text,int $level ) |
|
249
|
|
|
{ |
|
250
|
|
|
if($this->logger){ |
|
251
|
|
|
$this->logger->log($level,$text); |
|
252
|
|
|
} |
|
253
|
|
|
} |
|
254
|
|
|
|
|
255
|
|
|
} |
|
256
|
|
|
|