124 lines
3.2 KiB
PHP
124 lines
3.2 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Vincent Petry <vincent@nextcloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\DAV\Connector\Sabre;
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use Sabre\Xml\Element;
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use Sabre\Xml\Reader;
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use Sabre\Xml\Writer;
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/**
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* TagList property
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*
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* This property contains multiple "tag" elements, each containing a tag name.
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*/
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class TagList implements Element {
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public const NS_OWNCLOUD = 'http://owncloud.org/ns';
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/**
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* tags
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*
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* @var array
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*/
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private $tags;
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/**
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* @param array $tags
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*/
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public function __construct(array $tags) {
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$this->tags = $tags;
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}
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/**
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* Returns the tags
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*
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* @return array
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*/
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public function getTags() {
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return $this->tags;
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}
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/**
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* The deserialize method is called during xml parsing.
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*
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* This method is called statictly, this is because in theory this method
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* may be used as a type of constructor, or factory method.
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*
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* Often you want to return an instance of the current class, but you are
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* free to return other data as well.
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*
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* You are responsible for advancing the reader to the next element. Not
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* doing anything will result in a never-ending loop.
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*
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* If you just want to skip parsing for this element altogether, you can
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* just call $reader->next();
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*
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* $reader->parseInnerTree() will parse the entire sub-tree, and advance to
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* the next element.
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*
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* @param Reader $reader
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* @return mixed
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*/
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public static function xmlDeserialize(Reader $reader) {
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$tags = [];
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$tree = $reader->parseInnerTree();
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if ($tree === null) {
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return null;
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}
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foreach ($tree as $elem) {
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if ($elem['name'] === '{' . self::NS_OWNCLOUD . '}tag') {
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$tags[] = $elem['value'];
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}
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}
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return new self($tags);
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}
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/**
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* The xmlSerialize metod is called during xml writing.
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*
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* Use the $writer argument to write its own xml serialization.
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*
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* An important note: do _not_ create a parent element. Any element
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* implementing XmlSerializble should only ever write what's considered
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* its 'inner xml'.
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*
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* The parent of the current element is responsible for writing a
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* containing element.
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*
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* This allows serializers to be re-used for different element names.
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*
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* If you are opening new elements, you must also close them again.
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*
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* @param Writer $writer
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* @return void
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*/
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public function xmlSerialize(Writer $writer) {
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foreach ($this->tags as $tag) {
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$writer->writeElement('{' . self::NS_OWNCLOUD . '}tag', $tag);
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}
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}
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}
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