mirror of
https://github.com/OpenXE-org/OpenXE.git
synced 2024-11-15 20:47:15 +01:00
386 lines
11 KiB
PHP
386 lines
11 KiB
PHP
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<?php
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namespace Sabre\VObject\Parser;
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use Sabre\VObject\Component;
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use Sabre\VObject\Component\VCalendar;
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use Sabre\VObject\Component\VCard;
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use Sabre\VObject\EofException;
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use Sabre\VObject\ParseException;
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use Sabre\Xml as SabreXml;
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/**
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* XML Parser.
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*
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* This parser parses both the xCal and xCard formats.
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*
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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @author Ivan Enderlin
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class XML extends Parser
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{
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const XCAL_NAMESPACE = 'urn:ietf:params:xml:ns:icalendar-2.0';
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const XCARD_NAMESPACE = 'urn:ietf:params:xml:ns:vcard-4.0';
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/**
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* The input data.
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*
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* @var array
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*/
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protected $input;
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/**
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* A pointer/reference to the input.
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*
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* @var array
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*/
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private $pointer;
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/**
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* Document, root component.
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*
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* @var \Sabre\VObject\Document
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*/
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protected $root;
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/**
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* Creates the parser.
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*
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* Optionally, it's possible to parse the input stream here.
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*
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* @param mixed $input
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* @param int $options any parser options (OPTION constants)
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*/
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public function __construct($input = null, $options = 0)
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{
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if (0 === $options) {
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$options = parent::OPTION_FORGIVING;
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}
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parent::__construct($input, $options);
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}
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/**
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* Parse xCal or xCard.
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*
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* @param resource|string $input
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* @param int $options
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*
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* @throws \Exception
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*
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* @return \Sabre\VObject\Document
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*/
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public function parse($input = null, $options = 0)
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{
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if (!is_null($input)) {
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$this->setInput($input);
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}
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if (0 !== $options) {
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$this->options = $options;
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}
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if (is_null($this->input)) {
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throw new EofException('End of input stream, or no input supplied');
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}
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switch ($this->input['name']) {
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case '{'.self::XCAL_NAMESPACE.'}icalendar':
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$this->root = new VCalendar([], false);
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$this->pointer = &$this->input['value'][0];
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$this->parseVCalendarComponents($this->root);
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break;
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case '{'.self::XCARD_NAMESPACE.'}vcards':
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foreach ($this->input['value'] as &$vCard) {
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$this->root = new VCard(['version' => '4.0'], false);
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$this->pointer = &$vCard;
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$this->parseVCardComponents($this->root);
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// We just parse the first <vcard /> element.
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break;
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}
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break;
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default:
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throw new ParseException('Unsupported XML standard');
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}
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return $this->root;
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}
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/**
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* Parse a xCalendar component.
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*
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* @param Component $parentComponent
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*/
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protected function parseVCalendarComponents(Component $parentComponent)
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{
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foreach ($this->pointer['value'] ?: [] as $children) {
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switch (static::getTagName($children['name'])) {
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case 'properties':
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$this->pointer = &$children['value'];
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$this->parseProperties($parentComponent);
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break;
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case 'components':
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$this->pointer = &$children;
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$this->parseComponent($parentComponent);
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break;
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}
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}
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}
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/**
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* Parse a xCard component.
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*
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* @param Component $parentComponent
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*/
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protected function parseVCardComponents(Component $parentComponent)
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{
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$this->pointer = &$this->pointer['value'];
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$this->parseProperties($parentComponent);
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}
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/**
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* Parse xCalendar and xCard properties.
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*
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* @param Component $parentComponent
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* @param string $propertyNamePrefix
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*/
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protected function parseProperties(Component $parentComponent, $propertyNamePrefix = '')
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{
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foreach ($this->pointer ?: [] as $xmlProperty) {
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list($namespace, $tagName) = SabreXml\Service::parseClarkNotation($xmlProperty['name']);
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$propertyName = $tagName;
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$propertyValue = [];
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$propertyParameters = [];
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$propertyType = 'text';
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// A property which is not part of the standard.
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if (self::XCAL_NAMESPACE !== $namespace
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&& self::XCARD_NAMESPACE !== $namespace) {
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$propertyName = 'xml';
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$value = '<'.$tagName.' xmlns="'.$namespace.'"';
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foreach ($xmlProperty['attributes'] as $attributeName => $attributeValue) {
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$value .= ' '.$attributeName.'="'.str_replace('"', '\"', $attributeValue).'"';
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}
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$value .= '>'.$xmlProperty['value'].'</'.$tagName.'>';
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$propertyValue = [$value];
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$this->createProperty(
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$parentComponent,
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$propertyName,
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$propertyParameters,
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$propertyType,
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$propertyValue
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);
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continue;
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}
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// xCard group.
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if ('group' === $propertyName) {
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if (!isset($xmlProperty['attributes']['name'])) {
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continue;
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}
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$this->pointer = &$xmlProperty['value'];
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$this->parseProperties(
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$parentComponent,
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strtoupper($xmlProperty['attributes']['name']).'.'
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);
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continue;
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}
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// Collect parameters.
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foreach ($xmlProperty['value'] as $i => $xmlPropertyChild) {
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if (!is_array($xmlPropertyChild)
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|| 'parameters' !== static::getTagName($xmlPropertyChild['name'])) {
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continue;
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}
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$xmlParameters = $xmlPropertyChild['value'];
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foreach ($xmlParameters as $xmlParameter) {
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$propertyParameterValues = [];
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foreach ($xmlParameter['value'] as $xmlParameterValues) {
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$propertyParameterValues[] = $xmlParameterValues['value'];
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}
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$propertyParameters[static::getTagName($xmlParameter['name'])]
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= implode(',', $propertyParameterValues);
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}
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array_splice($xmlProperty['value'], $i, 1);
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}
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$propertyNameExtended = ($this->root instanceof VCalendar
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? 'xcal'
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: 'xcard').':'.$propertyName;
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switch ($propertyNameExtended) {
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case 'xcal:geo':
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$propertyType = 'float';
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$propertyValue['latitude'] = 0;
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$propertyValue['longitude'] = 0;
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foreach ($xmlProperty['value'] as $xmlRequestChild) {
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$propertyValue[static::getTagName($xmlRequestChild['name'])]
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= $xmlRequestChild['value'];
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}
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break;
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case 'xcal:request-status':
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$propertyType = 'text';
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foreach ($xmlProperty['value'] as $xmlRequestChild) {
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$propertyValue[static::getTagName($xmlRequestChild['name'])]
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= $xmlRequestChild['value'];
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}
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break;
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case 'xcal:freebusy':
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$propertyType = 'freebusy';
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// We don't break because we only want to set
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// another property type.
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// no break
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case 'xcal:categories':
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case 'xcal:resources':
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case 'xcal:exdate':
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foreach ($xmlProperty['value'] as $specialChild) {
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$propertyValue[static::getTagName($specialChild['name'])]
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= $specialChild['value'];
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}
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break;
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case 'xcal:rdate':
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$propertyType = 'date-time';
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foreach ($xmlProperty['value'] as $specialChild) {
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$tagName = static::getTagName($specialChild['name']);
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if ('period' === $tagName) {
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$propertyParameters['value'] = 'PERIOD';
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$propertyValue[] = implode('/', $specialChild['value']);
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} else {
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$propertyValue[] = $specialChild['value'];
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}
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}
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break;
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default:
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$propertyType = static::getTagName($xmlProperty['value'][0]['name']);
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foreach ($xmlProperty['value'] as $value) {
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$propertyValue[] = $value['value'];
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}
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if ('date' === $propertyType) {
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$propertyParameters['value'] = 'DATE';
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}
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break;
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}
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$this->createProperty(
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$parentComponent,
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$propertyNamePrefix.$propertyName,
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$propertyParameters,
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$propertyType,
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$propertyValue
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);
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}
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}
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/**
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* Parse a component.
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*
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* @param Component $parentComponent
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*/
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protected function parseComponent(Component $parentComponent)
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{
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$components = $this->pointer['value'] ?: [];
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foreach ($components as $component) {
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$componentName = static::getTagName($component['name']);
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$currentComponent = $this->root->createComponent(
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$componentName,
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null,
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false
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);
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$this->pointer = &$component;
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$this->parseVCalendarComponents($currentComponent);
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$parentComponent->add($currentComponent);
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}
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}
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/**
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* Create a property.
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*
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* @param Component $parentComponent
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* @param string $name
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* @param array $parameters
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* @param string $type
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* @param mixed $value
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*/
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protected function createProperty(Component $parentComponent, $name, $parameters, $type, $value)
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{
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$property = $this->root->createProperty(
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$name,
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null,
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$parameters,
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$type
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);
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$parentComponent->add($property);
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$property->setXmlValue($value);
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}
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/**
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* Sets the input data.
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*
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* @param resource|string $input
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*/
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public function setInput($input)
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{
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if (is_resource($input)) {
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$input = stream_get_contents($input);
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}
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if (is_string($input)) {
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$reader = new SabreXml\Reader();
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$reader->elementMap['{'.self::XCAL_NAMESPACE.'}period']
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= 'Sabre\VObject\Parser\XML\Element\KeyValue';
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$reader->elementMap['{'.self::XCAL_NAMESPACE.'}recur']
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= 'Sabre\VObject\Parser\XML\Element\KeyValue';
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$reader->xml($input);
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$input = $reader->parse();
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}
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$this->input = $input;
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}
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/**
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* Get tag name from a Clark notation.
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*
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* @param string $clarkedTagName
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*
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* @return string
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*/
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protected static function getTagName($clarkedTagName)
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{
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list(, $tagName) = SabreXml\Service::parseClarkNotation($clarkedTagName);
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return $tagName;
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}
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}
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