[44] | 1 | <?php
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| 2 | /**
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| 3 | * Copyright 2006, 2007, 2008, 2009 Eric D. Hough (http://ehough.com)
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| 4 | *
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| 5 | * This file is part of TubePress (http://tubepress.org)
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| 6 | *
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| 7 | * TubePress is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * TubePress is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with TubePress. If not, see <http://www.gnu.org/licenses/>.
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| 19 | *
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| 20 | */
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| 21 |
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| 22 | function_exists('tubepress_load_classes')
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| 23 | || require(dirname(__FILE__) . '/../../../../tubepress_classloader.php');
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| 24 | tubepress_load_classes(array('org_tubepress_gdata_inspection_FeedInspectionService'));
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| 25 |
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| 26 | /**
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| 27 | * Examines the feed from YouTube
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| 28 | *
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| 29 | */
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| 30 | class org_tubepress_gdata_inspection_SimpleFeedInspectionService implements org_tubepress_gdata_inspection_FeedInspectionService
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| 31 | {
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| 32 | const NS_OPENSEARCH = 'http://a9.com/-/spec/opensearch/1.1/';
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| 33 |
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| 34 | public function getTotalResultCount(DOMDocument $dom)
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| 35 | {
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| 36 | $result = $dom->getElementsByTagNameNS(org_tubepress_gdata_inspection_SimpleFeedInspectionService::NS_OPENSEARCH,
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| 37 | 'totalResults')->item(0)->nodeValue;
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| 38 |
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| 39 | $this->_makeSureNumeric($result);
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| 40 | return $result;
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| 41 | }
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| 42 |
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| 43 | public function getQueryResultCount(DOMDocument $dom)
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| 44 | {
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| 45 | $result = $dom->getElementsByTagName('entry')->length;
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| 46 | $this->_makeSureNumeric($result);
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| 47 | return $result;
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| 48 | }
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| 49 |
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| 50 | private function _makeSureNumeric($result)
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| 51 | {
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| 52 | if (is_numeric($result) === FALSE) {
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| 53 | throw new Exception("YouTube returned a non-numeric total result count: $result");
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| 54 | }
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| 55 | }
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| 56 | } |
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