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1 <?php |
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2 |
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3 /** |
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4 * Zend Framework |
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5 * |
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6 * LICENSE |
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7 * |
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8 * This source file is subject to the new BSD license that is bundled |
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9 * with this package in the file LICENSE.txt. |
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10 * It is also available through the world-wide-web at this URL: |
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11 * http://framework.zend.com/license/new-bsd |
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12 * If you did not receive a copy of the license and are unable to |
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13 * obtain it through the world-wide-web, please send an email |
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14 * to license@zend.com so we can send you a copy immediately. |
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15 * |
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16 * @category Zend |
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17 * @package Zend_Feed |
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18 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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19 * @license http://framework.zend.com/license/new-bsd New BSD License |
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20 * @version $Id: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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21 */ |
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22 |
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23 |
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24 /** |
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25 * @see Zend_Feed |
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26 */ |
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27 require_once 'Zend/Feed.php'; |
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28 |
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29 /** |
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30 * @see Zend_Feed_Element |
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31 */ |
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32 require_once 'Zend/Feed/Element.php'; |
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33 |
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34 |
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35 /** |
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36 * Zend_Feed_Entry_Abstract represents a single entry in an Atom or RSS |
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37 * feed. |
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38 * |
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39 * @category Zend |
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40 * @package Zend_Feed |
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41 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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42 * @license http://framework.zend.com/license/new-bsd New BSD License |
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43 */ |
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44 abstract class Zend_Feed_Entry_Abstract extends Zend_Feed_Element |
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45 { |
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46 /** |
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47 * Root XML element for entries. Subclasses must define this to a |
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48 * non-null value. |
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49 * |
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50 * @var string |
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51 */ |
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52 protected $_rootElement; |
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53 |
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54 /** |
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55 * Root namespace for entries. Subclasses may define this to a |
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56 * non-null value. |
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57 * |
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58 * @var string |
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59 */ |
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60 protected $_rootNamespace = null; |
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61 |
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62 |
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63 /** |
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64 * Zend_Feed_Entry_Abstract constructor |
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65 * |
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66 * The Zend_Feed_Entry_Abstract constructor takes the URI of the feed the entry |
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67 * is part of, and optionally an XML construct (usually a |
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68 * SimpleXMLElement, but it can be an XML string or a DOMNode as |
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69 * well) that contains the contents of the entry. |
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70 * |
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71 * @param string $uri |
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72 * @param SimpleXMLElement|DOMNode|string $element |
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73 * @return void |
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74 * @throws Zend_Feed_Exception |
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75 */ |
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76 public function __construct($uri = null, $element = null) |
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77 { |
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78 if (!($element instanceof DOMElement)) { |
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79 if ($element) { |
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80 // Load the feed as an XML DOMDocument object |
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81 @ini_set('track_errors', 1); |
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82 $doc = new DOMDocument(); |
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83 $status = @$doc->loadXML($element); |
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84 @ini_restore('track_errors'); |
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85 |
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86 if (!$status) { |
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87 // prevent the class to generate an undefined variable notice (ZF-2590) |
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88 if (!isset($php_errormsg)) { |
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89 if (function_exists('xdebug_is_enabled')) { |
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90 $php_errormsg = '(error message not available, when XDebug is running)'; |
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91 } else { |
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92 $php_errormsg = '(error message not available)'; |
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93 } |
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94 } |
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95 |
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96 /** |
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97 * @see Zend_Feed_Exception |
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98 */ |
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99 require_once 'Zend/Feed/Exception.php'; |
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100 throw new Zend_Feed_Exception("DOMDocument cannot parse XML: $php_errormsg"); |
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101 } |
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102 |
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103 $element = $doc->getElementsByTagName($this->_rootElement)->item(0); |
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104 if (!$element) { |
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105 /** |
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106 * @see Zend_Feed_Exception |
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107 */ |
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108 require_once 'Zend/Feed/Exception.php'; |
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109 throw new Zend_Feed_Exception('No root <' . $this->_rootElement . '> element found, cannot parse feed.'); |
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110 } |
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111 } else { |
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112 $doc = new DOMDocument('1.0', 'utf-8'); |
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113 if ($this->_rootNamespace !== null) { |
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114 $element = $doc->createElementNS(Zend_Feed::lookupNamespace($this->_rootNamespace), $this->_rootElement); |
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115 } else { |
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116 $element = $doc->createElement($this->_rootElement); |
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117 } |
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118 } |
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119 } |
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120 |
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121 parent::__construct($element); |
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122 } |
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123 |
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124 } |