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90 lines
2.4 KiB
PHP
90 lines
2.4 KiB
PHP
<?php
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namespace Sabre\DAV\Xml\Property;
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use Sabre\Xml\Element\XmlFragment;
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use Sabre\Xml\Reader;
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/**
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* This class represents a 'complex' property that didn't have a default
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* decoder.
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*
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* It's basically a container for an xml snippet.
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*
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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class Complex extends XmlFragment {
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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 statically, 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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static function xmlDeserialize(Reader $reader) {
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$xml = $reader->readInnerXml();
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if ($reader->nodeType === Reader::ELEMENT && $reader->isEmptyElement) {
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// Easy!
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$reader->next();
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return null;
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}
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// Now we have a copy of the inner xml, we need to traverse it to get
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// all the strings. If there's no non-string data, we just return the
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// string, otherwise we return an instance of this class.
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$reader->read();
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$nonText = false;
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$text = '';
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while (true) {
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switch ($reader->nodeType) {
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case Reader::ELEMENT :
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$nonText = true;
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$reader->next();
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continue 2;
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case Reader::TEXT :
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case Reader::CDATA :
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$text .= $reader->value;
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break;
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case Reader::END_ELEMENT :
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break 2;
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}
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$reader->read();
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}
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// Make sure we advance the cursor one step further.
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$reader->read();
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if ($nonText) {
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$new = new self($xml);
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return $new;
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} else {
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return $text;
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}
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}
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}
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