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1 | <?php | |
2 | class FeedItem_Atom extends FeedItem_Common { | |
3 | ||
4 | function get_id() { | |
5 | $id = $this->elem->getElementsByTagName("id")->item(0); | |
6 | ||
7 | if ($id) { | |
8 | return $id->nodeValue; | |
9 | } else { | |
10 | return $this->get_link(); | |
11 | } | |
12 | } | |
13 | ||
14 | function get_date() { | |
15 | $updated = $this->elem->getElementsByTagName("updated")->item(0); | |
16 | ||
17 | if ($updated) { | |
18 | return strtotime($updated->nodeValue); | |
19 | } | |
20 | ||
21 | $published = $this->elem->getElementsByTagName("published")->item(0); | |
22 | ||
23 | if ($published) { | |
24 | return strtotime($published->nodeValue); | |
25 | } | |
26 | ||
27 | $date = $this->xpath->query("dc:date", $this->elem)->item(0); | |
28 | ||
29 | if ($date) { | |
30 | return strtotime($date->nodeValue); | |
31 | } | |
32 | } | |
33 | ||
34 | ||
35 | function get_link() { | |
36 | $links = $this->elem->getElementsByTagName("link"); | |
37 | ||
38 | foreach ($links as $link) { | |
39 | if ($link && $link->hasAttribute("href") && | |
40 | (!$link->hasAttribute("rel") | |
41 | || $link->getAttribute("rel") == "alternate" | |
42 | || $link->getAttribute("rel") == "standout")) { | |
43 | $base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link); | |
44 | ||
45 | if ($base) | |
46 | return rewrite_relative_url($base, trim($link->getAttribute("href"))); | |
47 | else | |
48 | return trim($link->getAttribute("href")); | |
49 | ||
50 | } | |
51 | } | |
52 | } | |
53 | ||
54 | function get_title() { | |
55 | $title = $this->elem->getElementsByTagName("title")->item(0); | |
56 | ||
57 | if ($title) { | |
58 | return trim($title->nodeValue); | |
59 | } | |
60 | } | |
61 | ||
62 | function get_content() { | |
63 | $content = $this->elem->getElementsByTagName("content")->item(0); | |
64 | ||
65 | if ($content) { | |
66 | if ($content->hasAttribute('type')) { | |
67 | if ($content->getAttribute('type') == 'xhtml') { | |
68 | for ($i = 0; $i < $content->childNodes->length; $i++) { | |
69 | $child = $content->childNodes->item($i); | |
70 | ||
71 | if ($child->hasChildNodes()) { | |
72 | return $this->doc->saveXML($child); | |
73 | } | |
74 | } | |
75 | } | |
76 | } | |
77 | ||
78 | return $content->nodeValue; | |
79 | } | |
80 | } | |
81 | ||
82 | function get_description() { | |
83 | $content = $this->elem->getElementsByTagName("summary")->item(0); | |
84 | ||
85 | if ($content) { | |
86 | if ($content->hasAttribute('type')) { | |
87 | if ($content->getAttribute('type') == 'xhtml') { | |
88 | for ($i = 0; $i < $content->childNodes->length; $i++) { | |
89 | $child = $content->childNodes->item($i); | |
90 | ||
91 | if ($child->hasChildNodes()) { | |
92 | return $this->doc->saveXML($child); | |
93 | } | |
94 | } | |
95 | } | |
96 | } | |
97 | ||
98 | return $content->nodeValue; | |
99 | } | |
100 | ||
101 | } | |
102 | ||
103 | function get_categories() { | |
104 | $categories = $this->elem->getElementsByTagName("category"); | |
105 | $cats = array(); | |
106 | ||
107 | foreach ($categories as $cat) { | |
108 | if ($cat->hasAttribute("term")) | |
109 | array_push($cats, trim($cat->getAttribute("term"))); | |
110 | } | |
111 | ||
112 | $categories = $this->xpath->query("dc:subject", $this->elem); | |
113 | ||
114 | foreach ($categories as $cat) { | |
115 | array_push($cats, trim($cat->nodeValue)); | |
116 | } | |
117 | ||
118 | return $cats; | |
119 | } | |
120 | ||
121 | function get_enclosures() { | |
122 | $links = $this->elem->getElementsByTagName("link"); | |
123 | ||
124 | $encs = array(); | |
125 | ||
126 | foreach ($links as $link) { | |
127 | if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) { | |
128 | if ($link->getAttribute("rel") == "enclosure") { | |
129 | $enc = new FeedEnclosure(); | |
130 | ||
131 | $enc->type = $link->getAttribute("type"); | |
132 | $enc->link = $link->getAttribute("href"); | |
133 | $enc->length = $link->getAttribute("length"); | |
134 | ||
135 | array_push($encs, $enc); | |
136 | } | |
137 | } | |
138 | } | |
139 | ||
140 | $enclosures = $this->xpath->query("media:content", $this->elem); | |
141 | ||
142 | foreach ($enclosures as $enclosure) { | |
143 | $enc = new FeedEnclosure(); | |
144 | ||
145 | $enc->type = $enclosure->getAttribute("type"); | |
146 | $enc->link = $enclosure->getAttribute("url"); | |
147 | $enc->length = $enclosure->getAttribute("length"); | |
148 | $enc->height = $enclosure->getAttribute("height"); | |
149 | $enc->width = $enclosure->getAttribute("width"); | |
150 | ||
151 | $desc = $this->xpath->query("media:description", $enclosure)->item(0); | |
152 | if ($desc) $enc->title = strip_tags($desc->nodeValue); | |
153 | ||
154 | array_push($encs, $enc); | |
155 | } | |
156 | ||
157 | ||
158 | $enclosures = $this->xpath->query("media:group", $this->elem); | |
159 | ||
160 | foreach ($enclosures as $enclosure) { | |
161 | $enc = new FeedEnclosure(); | |
162 | ||
163 | $content = $this->xpath->query("media:content", $enclosure)->item(0); | |
164 | ||
165 | if ($content) { | |
166 | $enc->type = $content->getAttribute("type"); | |
167 | $enc->link = $content->getAttribute("url"); | |
168 | $enc->length = $content->getAttribute("length"); | |
169 | $enc->height = $content->getAttribute("height"); | |
170 | $enc->width = $content->getAttribute("width"); | |
171 | ||
172 | $desc = $this->xpath->query("media:description", $content)->item(0); | |
173 | if ($desc) { | |
174 | $enc->title = strip_tags($desc->nodeValue); | |
175 | } else { | |
176 | $desc = $this->xpath->query("media:description", $enclosure)->item(0); | |
177 | if ($desc) $enc->title = strip_tags($desc->nodeValue); | |
178 | } | |
179 | ||
180 | array_push($encs, $enc); | |
181 | } | |
182 | } | |
183 | ||
184 | $enclosures = $this->xpath->query("media:thumbnail", $this->elem); | |
185 | ||
186 | foreach ($enclosures as $enclosure) { | |
187 | $enc = new FeedEnclosure(); | |
188 | ||
189 | $enc->type = "image/generic"; | |
190 | $enc->link = $enclosure->getAttribute("url"); | |
191 | $enc->height = $enclosure->getAttribute("height"); | |
192 | $enc->width = $enclosure->getAttribute("width"); | |
193 | ||
194 | array_push($encs, $enc); | |
195 | } | |
196 | ||
197 | return $encs; | |
198 | } | |
199 | ||
200 | } | |
201 | ?> |