blob: 274e871b9bef3f53df146d30585a1858df2bbe49 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
<?php
class FeedParser {
private $doc;
private $error;
private $items;
private $link;
private $title;
private $type;
const FEED_RDF = 0;
const FEED_RSS = 1;
const FEED_ATOM = 2;
function __construct($data) {
libxml_use_internal_errors(true);
libxml_clear_errors();
$this->doc = new DOMDocument();
$this->doc->loadXML($data);
$this->error = $this->format_error(libxml_get_last_error());
libxml_clear_errors();
$this->items = array();
}
function init() {
$root = $this->doc->firstChild;
if ($root) {
switch ($root->tagName) {
case "rss":
$this->type = $this::FEED_RSS;
break;
case "feed":
$this->type = $this::FEED_ATOM;
break;
default:
$this->error = "Unknown/unsupported feed type";
return;
}
$xpath = new DOMXPath($this->doc);
switch ($this->type) {
case $this::FEED_ATOM:
$xpath->registerNamespace('atom', 'http://www.w3.org/2005/Atom');
$title = $xpath->query("//atom:feed/atom:title")->item(0);
if ($title) {
$this->title = $title->nodeValue;
}
$link = $xpath->query("//atom:feed/atom:link[not(@rel)]")->item(0);
if ($link && $link->hasAttributes()) {
$this->link = $link->getAttribute("href");
}
$articles = $xpath->query("//atom:entry");
foreach ($articles as $article) {
array_push($this->items, new FeedItem_Atom($article));
}
break;
case $this::FEED_RDF:
break;
case $this::FEED_RSS:
break;
}
}
}
function format_error($error) {
if ($error) {
return sprintf("LibXML error %s at line %d (column %d): %s",
$error->code, $error->line, $error->column,
$error->message);
} else {
return "";
}
}
function error() {
return $this->error;
}
function get_link() {
return $this->link;
}
function get_title() {
return $this->title;
}
function get_items() {
return $this->items;
}
} ?>
|
