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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package moodlecore
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* @subpackage xml
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once($CFG->dirroot.'/backup/util/xml/parser/processors/progressive_parser_processor.class.php');
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/**
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* Selective progressive_parser_processor that will send chunks straight
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* to output but only for chunks matching (in a left padded way - like) some defined paths
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*/
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class selective_like_parser_processor extends progressive_parser_processor {
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protected $paths; // array of paths we are interested on
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public function __construct(array $paths) {
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parent::__construct();
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$this->paths = '=>' . implode('=>', $paths);
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}
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public function process_chunk($data) {
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if ($this->path_is_selected($data['path'])) {
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print_r($data); // Simply output chunk, for testing purposes
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} else {
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$this->chunks--; // Chunk skipped
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}
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}
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// Protected API starts here
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protected function path_is_selected($path) {
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return strpos('@=>' . $path, $this->paths);
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}
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}
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