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author | tcitworld <thomas.citharet@gmail.com> | 2014-01-04 12:30:31 -0800 |
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committer | tcitworld <thomas.citharet@gmail.com> | 2014-01-04 12:30:31 -0800 |
commit | 7f667839764621b5aa01c9db8ce5dde2a29ef18f (patch) | |
tree | 93d8241ee81c87e18494325ae02f0589a8e328a2 /inc/3rdparty/libraries/simplepie/library/SimplePie/Parser.php | |
parent | a84f77d6ba15a64ff00453f5d5190c021ce460ed (diff) | |
parent | 2abcccb37180c17318f5226f5d4bc28f30b621ea (diff) | |
download | wallabag-7f667839764621b5aa01c9db8ce5dde2a29ef18f.tar.gz wallabag-7f667839764621b5aa01c9db8ce5dde2a29ef18f.tar.zst wallabag-7f667839764621b5aa01c9db8ce5dde2a29ef18f.zip |
Merge pull request #1 from inthepoche/dev
Dev
Diffstat (limited to 'inc/3rdparty/libraries/simplepie/library/SimplePie/Parser.php')
-rw-r--r-- | inc/3rdparty/libraries/simplepie/library/SimplePie/Parser.php | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/inc/3rdparty/libraries/simplepie/library/SimplePie/Parser.php b/inc/3rdparty/libraries/simplepie/library/SimplePie/Parser.php new file mode 100644 index 00000000..d698552c --- /dev/null +++ b/inc/3rdparty/libraries/simplepie/library/SimplePie/Parser.php | |||
@@ -0,0 +1,407 @@ | |||
1 | <?php | ||
2 | /** | ||
3 | * SimplePie | ||
4 | * | ||
5 | * A PHP-Based RSS and Atom Feed Framework. | ||
6 | * Takes the hard work out of managing a complete RSS/Atom solution. | ||
7 | * | ||
8 | * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors | ||
9 | * All rights reserved. | ||
10 | * | ||
11 | * Redistribution and use in source and binary forms, with or without modification, are | ||
12 | * permitted provided that the following conditions are met: | ||
13 | * | ||
14 | * * Redistributions of source code must retain the above copyright notice, this list of | ||
15 | * conditions and the following disclaimer. | ||
16 | * | ||
17 | * * Redistributions in binary form must reproduce the above copyright notice, this list | ||
18 | * of conditions and the following disclaimer in the documentation and/or other materials | ||
19 | * provided with the distribution. | ||
20 | * | ||
21 | * * Neither the name of the SimplePie Team nor the names of its contributors may be used | ||
22 | * to endorse or promote products derived from this software without specific prior | ||
23 | * written permission. | ||
24 | * | ||
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS | ||
26 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
27 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS | ||
28 | * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
32 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
33 | * POSSIBILITY OF SUCH DAMAGE. | ||
34 | * | ||
35 | * @package SimplePie | ||
36 | * @version 1.3.1 | ||
37 | * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue | ||
38 | * @author Ryan Parman | ||
39 | * @author Geoffrey Sneddon | ||
40 | * @author Ryan McCue | ||
41 | * @link http://simplepie.org/ SimplePie | ||
42 | * @license http://www.opensource.org/licenses/bsd-license.php BSD License | ||
43 | */ | ||
44 | |||
45 | /** | ||
46 | * Parses XML into something sane | ||
47 | * | ||
48 | * | ||
49 | * This class can be overloaded with {@see SimplePie::set_parser_class()} | ||
50 | * | ||
51 | * @package SimplePie | ||
52 | * @subpackage Parsing | ||
53 | */ | ||
54 | class SimplePie_Parser | ||
55 | { | ||
56 | var $error_code; | ||
57 | var $error_string; | ||
58 | var $current_line; | ||
59 | var $current_column; | ||
60 | var $current_byte; | ||
61 | var $separator = ' '; | ||
62 | var $namespace = array(''); | ||
63 | var $element = array(''); | ||
64 | var $xml_base = array(''); | ||
65 | var $xml_base_explicit = array(false); | ||
66 | var $xml_lang = array(''); | ||
67 | var $data = array(); | ||
68 | var $datas = array(array()); | ||
69 | var $current_xhtml_construct = -1; | ||
70 | var $encoding; | ||
71 | protected $registry; | ||
72 | |||
73 | public function set_registry(SimplePie_Registry $registry) | ||
74 | { | ||
75 | $this->registry = $registry; | ||
76 | } | ||
77 | |||
78 | public function parse(&$data, $encoding) | ||
79 | { | ||
80 | // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character | ||
81 | if (strtoupper($encoding) === 'US-ASCII') | ||
82 | { | ||
83 | $this->encoding = 'UTF-8'; | ||
84 | } | ||
85 | else | ||
86 | { | ||
87 | $this->encoding = $encoding; | ||
88 | } | ||
89 | |||
90 | // Strip BOM: | ||
91 | // UTF-32 Big Endian BOM | ||
92 | if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") | ||
93 | { | ||
94 | $data = substr($data, 4); | ||
95 | } | ||
96 | // UTF-32 Little Endian BOM | ||
97 | elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") | ||
98 | { | ||
99 | $data = substr($data, 4); | ||
100 | } | ||
101 | // UTF-16 Big Endian BOM | ||
102 | elseif (substr($data, 0, 2) === "\xFE\xFF") | ||
103 | { | ||
104 | $data = substr($data, 2); | ||
105 | } | ||
106 | // UTF-16 Little Endian BOM | ||
107 | elseif (substr($data, 0, 2) === "\xFF\xFE") | ||
108 | { | ||
109 | $data = substr($data, 2); | ||
110 | } | ||
111 | // UTF-8 BOM | ||
112 | elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") | ||
113 | { | ||
114 | $data = substr($data, 3); | ||
115 | } | ||
116 | |||
117 | if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false) | ||
118 | { | ||
119 | $declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5))); | ||
120 | if ($declaration->parse()) | ||
121 | { | ||
122 | $data = substr($data, $pos + 2); | ||
123 | $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data; | ||
124 | } | ||
125 | else | ||
126 | { | ||
127 | $this->error_string = 'SimplePie bug! Please report this!'; | ||
128 | return false; | ||
129 | } | ||
130 | } | ||
131 | |||
132 | $return = true; | ||
133 | |||
134 | static $xml_is_sane = null; | ||
135 | if ($xml_is_sane === null) | ||
136 | { | ||
137 | $parser_check = xml_parser_create(); | ||
138 | xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); | ||
139 | xml_parser_free($parser_check); | ||
140 | $xml_is_sane = isset($values[0]['value']); | ||
141 | } | ||
142 | |||
143 | // Create the parser | ||
144 | if ($xml_is_sane) | ||
145 | { | ||
146 | $xml = xml_parser_create_ns($this->encoding, $this->separator); | ||
147 | xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1); | ||
148 | xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0); | ||
149 | xml_set_object($xml, $this); | ||
150 | xml_set_character_data_handler($xml, 'cdata'); | ||
151 | xml_set_element_handler($xml, 'tag_open', 'tag_close'); | ||
152 | |||
153 | // Parse! | ||
154 | if (!xml_parse($xml, $data, true)) | ||
155 | { | ||
156 | $this->error_code = xml_get_error_code($xml); | ||
157 | $this->error_string = xml_error_string($this->error_code); | ||
158 | $return = false; | ||
159 | } | ||
160 | $this->current_line = xml_get_current_line_number($xml); | ||
161 | $this->current_column = xml_get_current_column_number($xml); | ||
162 | $this->current_byte = xml_get_current_byte_index($xml); | ||
163 | xml_parser_free($xml); | ||
164 | return $return; | ||
165 | } | ||
166 | else | ||
167 | { | ||
168 | libxml_clear_errors(); | ||
169 | $xml = new XMLReader(); | ||
170 | $xml->xml($data); | ||
171 | while (@$xml->read()) | ||
172 | { | ||
173 | switch ($xml->nodeType) | ||
174 | { | ||
175 | |||
176 | case constant('XMLReader::END_ELEMENT'): | ||
177 | if ($xml->namespaceURI !== '') | ||
178 | { | ||
179 | $tagName = $xml->namespaceURI . $this->separator . $xml->localName; | ||
180 | } | ||
181 | else | ||
182 | { | ||
183 | $tagName = $xml->localName; | ||
184 | } | ||
185 | $this->tag_close(null, $tagName); | ||
186 | break; | ||
187 | case constant('XMLReader::ELEMENT'): | ||
188 | $empty = $xml->isEmptyElement; | ||
189 | if ($xml->namespaceURI !== '') | ||
190 | { | ||
191 | $tagName = $xml->namespaceURI . $this->separator . $xml->localName; | ||
192 | } | ||
193 | else | ||
194 | { | ||
195 | $tagName = $xml->localName; | ||
196 | } | ||
197 | $attributes = array(); | ||
198 | while ($xml->moveToNextAttribute()) | ||
199 | { | ||
200 | if ($xml->namespaceURI !== '') | ||
201 | { | ||
202 | $attrName = $xml->namespaceURI . $this->separator . $xml->localName; | ||
203 | } | ||
204 | else | ||
205 | { | ||
206 | $attrName = $xml->localName; | ||
207 | } | ||
208 | $attributes[$attrName] = $xml->value; | ||
209 | } | ||
210 | $this->tag_open(null, $tagName, $attributes); | ||
211 | if ($empty) | ||
212 | { | ||
213 | $this->tag_close(null, $tagName); | ||
214 | } | ||
215 | break; | ||
216 | case constant('XMLReader::TEXT'): | ||
217 | |||
218 | case constant('XMLReader::CDATA'): | ||
219 | $this->cdata(null, $xml->value); | ||
220 | break; | ||
221 | } | ||
222 | } | ||
223 | if ($error = libxml_get_last_error()) | ||
224 | { | ||
225 | $this->error_code = $error->code; | ||
226 | $this->error_string = $error->message; | ||
227 | $this->current_line = $error->line; | ||
228 | $this->current_column = $error->column; | ||
229 | return false; | ||
230 | } | ||
231 | else | ||
232 | { | ||
233 | return true; | ||
234 | } | ||
235 | } | ||
236 | } | ||
237 | |||
238 | public function get_error_code() | ||
239 | { | ||
240 | return $this->error_code; | ||
241 | } | ||
242 | |||
243 | public function get_error_string() | ||
244 | { | ||
245 | return $this->error_string; | ||
246 | } | ||
247 | |||
248 | public function get_current_line() | ||
249 | { | ||
250 | return $this->current_line; | ||
251 | } | ||
252 | |||
253 | public function get_current_column() | ||
254 | { | ||
255 | return $this->current_column; | ||
256 | } | ||
257 | |||
258 | public function get_current_byte() | ||
259 | { | ||
260 | return $this->current_byte; | ||
261 | } | ||
262 | |||
263 | public function get_data() | ||
264 | { | ||
265 | return $this->data; | ||
266 | } | ||
267 | |||
268 | public function tag_open($parser, $tag, $attributes) | ||
269 | { | ||
270 | list($this->namespace[], $this->element[]) = $this->split_ns($tag); | ||
271 | |||
272 | $attribs = array(); | ||
273 | foreach ($attributes as $name => $value) | ||
274 | { | ||
275 | list($attrib_namespace, $attribute) = $this->split_ns($name); | ||
276 | $attribs[$attrib_namespace][$attribute] = $value; | ||
277 | } | ||
278 | |||
279 | if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base'])) | ||
280 | { | ||
281 | $base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base))); | ||
282 | if ($base !== false) | ||
283 | { | ||
284 | $this->xml_base[] = $base; | ||
285 | $this->xml_base_explicit[] = true; | ||
286 | } | ||
287 | } | ||
288 | else | ||
289 | { | ||
290 | $this->xml_base[] = end($this->xml_base); | ||
291 | $this->xml_base_explicit[] = end($this->xml_base_explicit); | ||
292 | } | ||
293 | |||
294 | if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang'])) | ||
295 | { | ||
296 | $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang']; | ||
297 | } | ||
298 | else | ||
299 | { | ||
300 | $this->xml_lang[] = end($this->xml_lang); | ||
301 | } | ||
302 | |||
303 | if ($this->current_xhtml_construct >= 0) | ||
304 | { | ||
305 | $this->current_xhtml_construct++; | ||
306 | if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML) | ||
307 | { | ||
308 | $this->data['data'] .= '<' . end($this->element); | ||
309 | if (isset($attribs[''])) | ||
310 | { | ||
311 | foreach ($attribs[''] as $name => $value) | ||
312 | { | ||
313 | $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"'; | ||
314 | } | ||
315 | } | ||
316 | $this->data['data'] .= '>'; | ||
317 | } | ||
318 | } | ||
319 | else | ||
320 | { | ||
321 | $this->datas[] =& $this->data; | ||
322 | $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][]; | ||
323 | $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)); | ||
324 | if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml') | ||
325 | || (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml') | ||
326 | || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title'))) | ||
327 | || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title'))) | ||
328 | || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title')))) | ||
329 | { | ||
330 | $this->current_xhtml_construct = 0; | ||
331 | } | ||
332 | } | ||
333 | } | ||
334 | |||
335 | public function cdata($parser, $cdata) | ||
336 | { | ||
337 | if ($this->current_xhtml_construct >= 0) | ||
338 | { | ||
339 | $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding); | ||
340 | } | ||
341 | else | ||
342 | { | ||
343 | $this->data['data'] .= $cdata; | ||
344 | } | ||
345 | } | ||
346 | |||
347 | public function tag_close($parser, $tag) | ||
348 | { | ||
349 | if ($this->current_xhtml_construct >= 0) | ||
350 | { | ||
351 | $this->current_xhtml_construct--; | ||
352 | if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'))) | ||
353 | { | ||
354 | $this->data['data'] .= '</' . end($this->element) . '>'; | ||
355 | } | ||
356 | } | ||
357 | if ($this->current_xhtml_construct === -1) | ||
358 | { | ||
359 | $this->data =& $this->datas[count($this->datas) - 1]; | ||
360 | array_pop($this->datas); | ||
361 | } | ||
362 | |||
363 | array_pop($this->element); | ||
364 | array_pop($this->namespace); | ||
365 | array_pop($this->xml_base); | ||
366 | array_pop($this->xml_base_explicit); | ||
367 | array_pop($this->xml_lang); | ||
368 | } | ||
369 | |||
370 | public function split_ns($string) | ||
371 | { | ||
372 | static $cache = array(); | ||
373 | if (!isset($cache[$string])) | ||
374 | { | ||
375 | if ($pos = strpos($string, $this->separator)) | ||
376 | { | ||
377 | static $separator_length; | ||
378 | if (!$separator_length) | ||
379 | { | ||
380 | $separator_length = strlen($this->separator); | ||
381 | } | ||
382 | $namespace = substr($string, 0, $pos); | ||
383 | $local_name = substr($string, $pos + $separator_length); | ||
384 | if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES) | ||
385 | { | ||
386 | $namespace = SIMPLEPIE_NAMESPACE_ITUNES; | ||
387 | } | ||
388 | |||
389 | // Normalize the Media RSS namespaces | ||
390 | if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG || | ||
391 | $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 || | ||
392 | $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 || | ||
393 | $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 || | ||
394 | $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 ) | ||
395 | { | ||
396 | $namespace = SIMPLEPIE_NAMESPACE_MEDIARSS; | ||
397 | } | ||
398 | $cache[$string] = array($namespace, $local_name); | ||
399 | } | ||
400 | else | ||
401 | { | ||
402 | $cache[$string] = array('', $string); | ||
403 | } | ||
404 | } | ||
405 | return $cache[$string]; | ||
406 | } | ||
407 | } | ||