wp/wp-includes/SimplePie/Source.php
changeset 0 d970ebf37754
child 16 a86126ab1dd4
equal deleted inserted replaced
-1:000000000000 0:d970ebf37754
       
     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  * Handles `<atom:source>`
       
    47  *
       
    48  * Used by {@see SimplePie_Item::get_source()}
       
    49  *
       
    50  * This class can be overloaded with {@see SimplePie::set_source_class()}
       
    51  *
       
    52  * @package SimplePie
       
    53  * @subpackage API
       
    54  */
       
    55 class SimplePie_Source
       
    56 {
       
    57 	var $item;
       
    58 	var $data = array();
       
    59 	protected $registry;
       
    60 
       
    61 	public function __construct($item, $data)
       
    62 	{
       
    63 		$this->item = $item;
       
    64 		$this->data = $data;
       
    65 	}
       
    66 
       
    67 	public function set_registry(SimplePie_Registry $registry)
       
    68 	{
       
    69 		$this->registry = $registry;
       
    70 	}
       
    71 
       
    72 	public function __toString()
       
    73 	{
       
    74 		return md5(serialize($this->data));
       
    75 	}
       
    76 
       
    77 	public function get_source_tags($namespace, $tag)
       
    78 	{
       
    79 		if (isset($this->data['child'][$namespace][$tag]))
       
    80 		{
       
    81 			return $this->data['child'][$namespace][$tag];
       
    82 		}
       
    83 		else
       
    84 		{
       
    85 			return null;
       
    86 		}
       
    87 	}
       
    88 
       
    89 	public function get_base($element = array())
       
    90 	{
       
    91 		return $this->item->get_base($element);
       
    92 	}
       
    93 
       
    94 	public function sanitize($data, $type, $base = '')
       
    95 	{
       
    96 		return $this->item->sanitize($data, $type, $base);
       
    97 	}
       
    98 
       
    99 	public function get_item()
       
   100 	{
       
   101 		return $this->item;
       
   102 	}
       
   103 
       
   104 	public function get_title()
       
   105 	{
       
   106 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
       
   107 		{
       
   108 			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
       
   109 		}
       
   110 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
       
   111 		{
       
   112 			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
       
   113 		}
       
   114 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
       
   115 		{
       
   116 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
       
   117 		}
       
   118 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
       
   119 		{
       
   120 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
       
   121 		}
       
   122 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
       
   123 		{
       
   124 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
       
   125 		}
       
   126 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
       
   127 		{
       
   128 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   129 		}
       
   130 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
       
   131 		{
       
   132 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   133 		}
       
   134 		else
       
   135 		{
       
   136 			return null;
       
   137 		}
       
   138 	}
       
   139 
       
   140 	public function get_category($key = 0)
       
   141 	{
       
   142 		$categories = $this->get_categories();
       
   143 		if (isset($categories[$key]))
       
   144 		{
       
   145 			return $categories[$key];
       
   146 		}
       
   147 		else
       
   148 		{
       
   149 			return null;
       
   150 		}
       
   151 	}
       
   152 
       
   153 	public function get_categories()
       
   154 	{
       
   155 		$categories = array();
       
   156 
       
   157 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
       
   158 		{
       
   159 			$term = null;
       
   160 			$scheme = null;
       
   161 			$label = null;
       
   162 			if (isset($category['attribs']['']['term']))
       
   163 			{
       
   164 				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   165 			}
       
   166 			if (isset($category['attribs']['']['scheme']))
       
   167 			{
       
   168 				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   169 			}
       
   170 			if (isset($category['attribs']['']['label']))
       
   171 			{
       
   172 				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   173 			}
       
   174 			$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
       
   175 		}
       
   176 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
       
   177 		{
       
   178 			// This is really the label, but keep this as the term also for BC.
       
   179 			// Label will also work on retrieving because that falls back to term.
       
   180 			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   181 			if (isset($category['attribs']['']['domain']))
       
   182 			{
       
   183 				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   184 			}
       
   185 			else
       
   186 			{
       
   187 				$scheme = null;
       
   188 			}
       
   189 			$categories[] = $this->registry->create('Category', array($term, $scheme, null));
       
   190 		}
       
   191 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
       
   192 		{
       
   193 			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
       
   194 		}
       
   195 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
       
   196 		{
       
   197 			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
       
   198 		}
       
   199 
       
   200 		if (!empty($categories))
       
   201 		{
       
   202 			return array_unique($categories);
       
   203 		}
       
   204 		else
       
   205 		{
       
   206 			return null;
       
   207 		}
       
   208 	}
       
   209 
       
   210 	public function get_author($key = 0)
       
   211 	{
       
   212 		$authors = $this->get_authors();
       
   213 		if (isset($authors[$key]))
       
   214 		{
       
   215 			return $authors[$key];
       
   216 		}
       
   217 		else
       
   218 		{
       
   219 			return null;
       
   220 		}
       
   221 	}
       
   222 
       
   223 	public function get_authors()
       
   224 	{
       
   225 		$authors = array();
       
   226 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
       
   227 		{
       
   228 			$name = null;
       
   229 			$uri = null;
       
   230 			$email = null;
       
   231 			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
       
   232 			{
       
   233 				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   234 			}
       
   235 			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
       
   236 			{
       
   237 				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
       
   238 			}
       
   239 			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
       
   240 			{
       
   241 				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   242 			}
       
   243 			if ($name !== null || $email !== null || $uri !== null)
       
   244 			{
       
   245 				$authors[] = $this->registry->create('Author', array($name, $uri, $email));
       
   246 			}
       
   247 		}
       
   248 		if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
       
   249 		{
       
   250 			$name = null;
       
   251 			$url = null;
       
   252 			$email = null;
       
   253 			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
       
   254 			{
       
   255 				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   256 			}
       
   257 			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
       
   258 			{
       
   259 				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
       
   260 			}
       
   261 			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
       
   262 			{
       
   263 				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   264 			}
       
   265 			if ($name !== null || $email !== null || $url !== null)
       
   266 			{
       
   267 				$authors[] = $this->registry->create('Author', array($name, $url, $email));
       
   268 			}
       
   269 		}
       
   270 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
       
   271 		{
       
   272 			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
       
   273 		}
       
   274 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
       
   275 		{
       
   276 			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
       
   277 		}
       
   278 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
       
   279 		{
       
   280 			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
       
   281 		}
       
   282 
       
   283 		if (!empty($authors))
       
   284 		{
       
   285 			return array_unique($authors);
       
   286 		}
       
   287 		else
       
   288 		{
       
   289 			return null;
       
   290 		}
       
   291 	}
       
   292 
       
   293 	public function get_contributor($key = 0)
       
   294 	{
       
   295 		$contributors = $this->get_contributors();
       
   296 		if (isset($contributors[$key]))
       
   297 		{
       
   298 			return $contributors[$key];
       
   299 		}
       
   300 		else
       
   301 		{
       
   302 			return null;
       
   303 		}
       
   304 	}
       
   305 
       
   306 	public function get_contributors()
       
   307 	{
       
   308 		$contributors = array();
       
   309 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
       
   310 		{
       
   311 			$name = null;
       
   312 			$uri = null;
       
   313 			$email = null;
       
   314 			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
       
   315 			{
       
   316 				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   317 			}
       
   318 			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
       
   319 			{
       
   320 				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
       
   321 			}
       
   322 			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
       
   323 			{
       
   324 				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   325 			}
       
   326 			if ($name !== null || $email !== null || $uri !== null)
       
   327 			{
       
   328 				$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
       
   329 			}
       
   330 		}
       
   331 		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
       
   332 		{
       
   333 			$name = null;
       
   334 			$url = null;
       
   335 			$email = null;
       
   336 			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
       
   337 			{
       
   338 				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   339 			}
       
   340 			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
       
   341 			{
       
   342 				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
       
   343 			}
       
   344 			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
       
   345 			{
       
   346 				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   347 			}
       
   348 			if ($name !== null || $email !== null || $url !== null)
       
   349 			{
       
   350 				$contributors[] = $this->registry->create('Author', array($name, $url, $email));
       
   351 			}
       
   352 		}
       
   353 
       
   354 		if (!empty($contributors))
       
   355 		{
       
   356 			return array_unique($contributors);
       
   357 		}
       
   358 		else
       
   359 		{
       
   360 			return null;
       
   361 		}
       
   362 	}
       
   363 
       
   364 	public function get_link($key = 0, $rel = 'alternate')
       
   365 	{
       
   366 		$links = $this->get_links($rel);
       
   367 		if (isset($links[$key]))
       
   368 		{
       
   369 			return $links[$key];
       
   370 		}
       
   371 		else
       
   372 		{
       
   373 			return null;
       
   374 		}
       
   375 	}
       
   376 
       
   377 	/**
       
   378 	 * Added for parity between the parent-level and the item/entry-level.
       
   379 	 */
       
   380 	public function get_permalink()
       
   381 	{
       
   382 		return $this->get_link(0);
       
   383 	}
       
   384 
       
   385 	public function get_links($rel = 'alternate')
       
   386 	{
       
   387 		if (!isset($this->data['links']))
       
   388 		{
       
   389 			$this->data['links'] = array();
       
   390 			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
       
   391 			{
       
   392 				foreach ($links as $link)
       
   393 				{
       
   394 					if (isset($link['attribs']['']['href']))
       
   395 					{
       
   396 						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
       
   397 						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
       
   398 					}
       
   399 				}
       
   400 			}
       
   401 			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
       
   402 			{
       
   403 				foreach ($links as $link)
       
   404 				{
       
   405 					if (isset($link['attribs']['']['href']))
       
   406 					{
       
   407 						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
       
   408 						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
       
   409 
       
   410 					}
       
   411 				}
       
   412 			}
       
   413 			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
       
   414 			{
       
   415 				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
       
   416 			}
       
   417 			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
       
   418 			{
       
   419 				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
       
   420 			}
       
   421 			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
       
   422 			{
       
   423 				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
       
   424 			}
       
   425 
       
   426 			$keys = array_keys($this->data['links']);
       
   427 			foreach ($keys as $key)
       
   428 			{
       
   429 				if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
       
   430 				{
       
   431 					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
       
   432 					{
       
   433 						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
       
   434 						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
       
   435 					}
       
   436 					else
       
   437 					{
       
   438 						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
       
   439 					}
       
   440 				}
       
   441 				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
       
   442 				{
       
   443 					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
       
   444 				}
       
   445 				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
       
   446 			}
       
   447 		}
       
   448 
       
   449 		if (isset($this->data['links'][$rel]))
       
   450 		{
       
   451 			return $this->data['links'][$rel];
       
   452 		}
       
   453 		else
       
   454 		{
       
   455 			return null;
       
   456 		}
       
   457 	}
       
   458 
       
   459 	public function get_description()
       
   460 	{
       
   461 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
       
   462 		{
       
   463 			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
       
   464 		}
       
   465 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
       
   466 		{
       
   467 			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
       
   468 		}
       
   469 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
       
   470 		{
       
   471 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
       
   472 		}
       
   473 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
       
   474 		{
       
   475 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
       
   476 		}
       
   477 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
       
   478 		{
       
   479 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
       
   480 		}
       
   481 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
       
   482 		{
       
   483 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   484 		}
       
   485 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
       
   486 		{
       
   487 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   488 		}
       
   489 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
       
   490 		{
       
   491 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
       
   492 		}
       
   493 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
       
   494 		{
       
   495 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
       
   496 		}
       
   497 		else
       
   498 		{
       
   499 			return null;
       
   500 		}
       
   501 	}
       
   502 
       
   503 	public function get_copyright()
       
   504 	{
       
   505 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
       
   506 		{
       
   507 			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
       
   508 		}
       
   509 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
       
   510 		{
       
   511 			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
       
   512 		}
       
   513 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
       
   514 		{
       
   515 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   516 		}
       
   517 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
       
   518 		{
       
   519 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   520 		}
       
   521 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
       
   522 		{
       
   523 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   524 		}
       
   525 		else
       
   526 		{
       
   527 			return null;
       
   528 		}
       
   529 	}
       
   530 
       
   531 	public function get_language()
       
   532 	{
       
   533 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
       
   534 		{
       
   535 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   536 		}
       
   537 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
       
   538 		{
       
   539 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   540 		}
       
   541 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
       
   542 		{
       
   543 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   544 		}
       
   545 		elseif (isset($this->data['xml_lang']))
       
   546 		{
       
   547 			return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
       
   548 		}
       
   549 		else
       
   550 		{
       
   551 			return null;
       
   552 		}
       
   553 	}
       
   554 
       
   555 	public function get_latitude()
       
   556 	{
       
   557 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
       
   558 		{
       
   559 			return (float) $return[0]['data'];
       
   560 		}
       
   561 		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
       
   562 		{
       
   563 			return (float) $match[1];
       
   564 		}
       
   565 		else
       
   566 		{
       
   567 			return null;
       
   568 		}
       
   569 	}
       
   570 
       
   571 	public function get_longitude()
       
   572 	{
       
   573 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
       
   574 		{
       
   575 			return (float) $return[0]['data'];
       
   576 		}
       
   577 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
       
   578 		{
       
   579 			return (float) $return[0]['data'];
       
   580 		}
       
   581 		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
       
   582 		{
       
   583 			return (float) $match[2];
       
   584 		}
       
   585 		else
       
   586 		{
       
   587 			return null;
       
   588 		}
       
   589 	}
       
   590 
       
   591 	public function get_image_url()
       
   592 	{
       
   593 		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
       
   594 		{
       
   595 			return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
       
   596 		}
       
   597 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
       
   598 		{
       
   599 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
       
   600 		}
       
   601 		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
       
   602 		{
       
   603 			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
       
   604 		}
       
   605 		else
       
   606 		{
       
   607 			return null;
       
   608 		}
       
   609 	}
       
   610 }
       
   611