1 | <?php |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ |
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3 | |
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4 | /** |
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5 | * RSS1 Element class for XML_Feed_Parser |
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6 | * |
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7 | * PHP versions 5 |
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8 | * |
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9 | * LICENSE: This source file is subject to version 3.0 of the PHP license |
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10 | * that is available through the world-wide-web at the following URI: |
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11 | * http://www.php.net/license/3_0.txt. If you did not receive a copy of |
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12 | * the PHP License and are unable to obtain it through the web, please |
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13 | * send a note to license@php.net so we can mail you a copy immediately. |
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14 | * |
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15 | * @category XML |
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16 | * @package XML_Feed_Parser |
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17 | * @author James Stewart <james@jystewart.net> |
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18 | * @copyright 2005 James Stewart <james@jystewart.net> |
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19 | * @license http://www.gnu.org/copyleft/lesser.html GNU LGPL 2.1 |
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20 | * @version CVS: $Id: RSS1Element.php,v 1.6 2006/06/30 17:41:56 jystewart Exp $ |
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21 | * @link http://pear.php.net/package/XML_Feed_Parser/ |
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22 | */ |
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23 | |
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24 | /* |
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25 | * This class provides support for RSS 1.0 entries. It will usually be called by |
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26 | * XML_Feed_Parser_RSS1 with which it shares many methods. |
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27 | * |
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28 | * @author James Stewart <james@jystewart.net> |
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29 | * @version Release: 1.0.2 |
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30 | * @package XML_Feed_Parser |
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31 | */ |
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32 | class XML_Feed_Parser_RSS1Element extends XML_Feed_Parser_RSS1 |
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33 | { |
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34 | /** |
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35 | * This will be a reference to the parent object for when we want |
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36 | * to use a 'fallback' rule |
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37 | * @var XML_Feed_Parser_RSS1 |
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38 | */ |
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39 | protected $parent; |
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40 | |
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41 | /** |
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42 | * Our specific element map |
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43 | * @var array |
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44 | */ |
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45 | protected $map = array( |
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46 | 'id' => array('Id'), |
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47 | 'title' => array('Text'), |
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48 | 'link' => array('Link'), |
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49 | 'description' => array('Text'), # or dc:description |
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50 | 'category' => array('Category'), |
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51 | 'rights' => array('Text'), # dc:rights |
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52 | 'creator' => array('Text'), # dc:creator |
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53 | 'publisher' => array('Text'), # dc:publisher |
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54 | 'contributor' => array('Text'), # dc:contributor |
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55 | 'date' => array('Date'), # dc:date |
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56 | 'content' => array('Content') |
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57 | ); |
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58 | |
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59 | /** |
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60 | * Here we map some elements to their atom equivalents. This is going to be |
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61 | * quite tricky to pull off effectively (and some users' methods may vary) |
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62 | * but is worth trying. The key is the atom version, the value is RSS1. |
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63 | * @var array |
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64 | */ |
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65 | protected $compatMap = array( |
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66 | 'content' => array('content'), |
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67 | 'updated' => array('lastBuildDate'), |
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68 | 'published' => array('pubdate'), |
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69 | 'subtitle' => array('description'), |
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70 | 'updated' => array('date'), |
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71 | 'author' => array('creator'), |
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72 | 'contributor' => array('contributor') |
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73 | ); |
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74 | |
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75 | /** |
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76 | * Store useful information for later. |
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77 | * |
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78 | * @param DOMElement $element - this item as a DOM element |
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79 | * @param XML_Feed_Parser_RSS1 $parent - the feed of which this is a member |
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80 | */ |
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81 | function __construct(DOMElement $element, $parent, $xmlBase = '') |
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82 | { |
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83 | $this->model = $element; |
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84 | $this->parent = $parent; |
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85 | } |
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86 | |
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87 | /** |
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88 | * If an rdf:about attribute is specified, return it as an ID |
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89 | * |
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90 | * There is no established way of showing an ID for an RSS1 entry. We will |
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91 | * simulate it using the rdf:about attribute of the entry element. This cannot |
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92 | * be relied upon for unique IDs but may prove useful. |
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93 | * |
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94 | * @return string|false |
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95 | */ |
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96 | function getId() |
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97 | { |
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98 | if ($this->model->attributes->getNamedItem('about')) { |
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99 | return $this->model->attributes->getNamedItem('about')->nodeValue; |
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100 | } |
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101 | return false; |
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102 | } |
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103 | |
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104 | /** |
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105 | * How RSS1 should support for enclosures is not clear. For now we will return |
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106 | * false. |
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107 | * |
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108 | * @return false |
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109 | */ |
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110 | function getEnclosure() |
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111 | { |
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112 | return false; |
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113 | } |
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114 | } |
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115 | |
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116 | ?> |
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