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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