1 | <?php |
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2 | /** |
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3 | * Zend Framework |
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4 | * |
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5 | * LICENSE |
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6 | * |
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7 | * This source file is subject to the new BSD license that is bundled |
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8 | * with this package in the file LICENSE.txt. |
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9 | * It is also available through the world-wide-web at this URL: |
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10 | * http://framework.zend.com/license/new-bsd |
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11 | * If you did not receive a copy of the license and are unable to |
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12 | * obtain it through the world-wide-web, please send an email |
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13 | * to license@zend.com so we can send you a copy immediately. |
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14 | * |
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15 | * @category Zend |
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16 | * @package Zend_Validate |
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17 | * @subpackage Sitemap |
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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: Priority.php 22668 2010-07-25 14:50:46Z thomas $ |
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21 | */ |
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22 | |
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23 | /** |
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24 | * @see Zend_Validate_Abstract |
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25 | */ |
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26 | require_once 'Zend/Validate/Abstract.php'; |
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27 | |
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28 | /** |
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29 | * Validates whether a given value is valid as a sitemap <priority> value |
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30 | * |
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31 | * @link http://www.sitemaps.org/protocol.php Sitemaps XML format |
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32 | * |
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33 | * @category Zend |
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34 | * @package Zend_Validate |
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35 | * @subpackage Sitemap |
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36 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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37 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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38 | */ |
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39 | class Zend_Validate_Sitemap_Priority extends Zend_Validate_Abstract |
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40 | { |
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41 | /** |
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42 | * Validation key for not valid |
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43 | * |
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44 | */ |
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45 | const NOT_VALID = 'sitemapPriorityNotValid'; |
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46 | const INVALID = 'sitemapPriorityInvalid'; |
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47 | |
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48 | /** |
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49 | * Validation failure message template definitions |
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50 | * |
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51 | * @var array |
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52 | */ |
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53 | protected $_messageTemplates = array( |
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54 | self::NOT_VALID => "'%value%' is no valid sitemap priority", |
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55 | self::INVALID => "Invalid type given. Numeric string, integer or float expected", |
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56 | ); |
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57 | |
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58 | /** |
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59 | * Validates if a string is valid as a sitemap priority |
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60 | * |
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61 | * @link http://www.sitemaps.org/protocol.php#prioritydef <priority> |
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62 | * |
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63 | * @param string $value value to validate |
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64 | * @return boolean |
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65 | */ |
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66 | public function isValid($value) |
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67 | { |
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68 | if (!is_numeric($value)) { |
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69 | $this->_error(self::INVALID); |
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70 | return false; |
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71 | } |
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72 | |
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73 | $this->_setValue($value); |
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74 | $value = (float) $value; |
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75 | if ($value < 0 || $value > 1) { |
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76 | $this->_error(self::NOT_VALID); |
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77 | return false; |
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78 | } |
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79 | |
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80 | return true; |
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81 | } |
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82 | } |
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