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sources/3rdparty/sabre/vobject/lib/Sabre/VObject/Property.php 11.9 KB
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  <?php
  
  namespace Sabre\VObject;
  
  /**
   * VObject Property
   *
   * A property in VObject is usually in the form PARAMNAME:paramValue.
   * An example is : SUMMARY:Weekly meeting
   *
   * Properties can also have parameters:
   * SUMMARY;LANG=en:Weekly meeting.
   *
   * Parameters can be accessed using the ArrayAccess interface.
   *
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   * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
   * @author Evert Pot (http://evertpot.com/)
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   * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
   */
  class Property extends Node {
  
      /**
       * Propertyname
       *
       * @var string
       */
      public $name;
  
      /**
       * Group name
       *
       * This may be something like 'HOME' for vcards.
       *
       * @var string
       */
      public $group;
  
      /**
       * Property parameters
       *
       * @var array
       */
      public $parameters = array();
  
      /**
       * Property value
       *
       * @var string
       */
      public $value;
  
      /**
       * If properties are added to this map, they will be automatically mapped
       * to their respective classes, if parsed by the reader or constructed with
       * the 'create' method.
       *
       * @var array
       */
      static public $classMap = array(
          'COMPLETED'     => 'Sabre\\VObject\\Property\\DateTime',
          'CREATED'       => 'Sabre\\VObject\\Property\\DateTime',
          'DTEND'         => 'Sabre\\VObject\\Property\\DateTime',
          'DTSTAMP'       => 'Sabre\\VObject\\Property\\DateTime',
          'DTSTART'       => 'Sabre\\VObject\\Property\\DateTime',
          'DUE'           => 'Sabre\\VObject\\Property\\DateTime',
          'EXDATE'        => 'Sabre\\VObject\\Property\\MultiDateTime',
          'LAST-MODIFIED' => 'Sabre\\VObject\\Property\\DateTime',
          'RECURRENCE-ID' => 'Sabre\\VObject\\Property\\DateTime',
          'TRIGGER'       => 'Sabre\\VObject\\Property\\DateTime',
          'N'             => 'Sabre\\VObject\\Property\\Compound',
          'ORG'           => 'Sabre\\VObject\\Property\\Compound',
          'ADR'           => 'Sabre\\VObject\\Property\\Compound',
          'CATEGORIES'    => 'Sabre\\VObject\\Property\\Compound',
      );
  
      /**
       * Creates the new property by name, but in addition will also see if
       * there's a class mapped to the property name.
       *
       * Parameters can be specified with the optional third argument. Parameters
       * must be a key->value map of the parameter name, and value. If the value
       * is specified as an array, it is assumed that multiple parameters with
       * the same name should be added.
       *
       * @param string $name
       * @param string $value
       * @param array $parameters
       * @return Property
       */
      static public function create($name, $value = null, array $parameters = array()) {
  
          $name = strtoupper($name);
          $shortName = $name;
          $group = null;
          if (strpos($shortName,'.')!==false) {
              list($group, $shortName) = explode('.', $shortName);
          }
  
          if (isset(self::$classMap[$shortName])) {
              return new self::$classMap[$shortName]($name, $value, $parameters);
          } else {
              return new self($name, $value, $parameters);
          }
  
      }
  
      /**
       * Creates a new property object
       *
       * Parameters can be specified with the optional third argument. Parameters
       * must be a key->value map of the parameter name, and value. If the value
       * is specified as an array, it is assumed that multiple parameters with
       * the same name should be added.
       *
       * @param string $name
       * @param string $value
       * @param array $parameters
       */
      public function __construct($name, $value = null, array $parameters = array()) {
  
          if (!is_scalar($value) && !is_null($value)) {
              throw new \InvalidArgumentException('The value argument must be scalar or null');
          }
  
          $name = strtoupper($name);
          $group = null;
          if (strpos($name,'.')!==false) {
              list($group, $name) = explode('.', $name);
          }
          $this->name = $name;
          $this->group = $group;
          $this->setValue($value);
  
          foreach($parameters as $paramName => $paramValues) {
  
              if (!is_array($paramValues)) {
                  $paramValues = array($paramValues);
              }
  
              foreach($paramValues as $paramValue) {
                  $this->add($paramName, $paramValue);
              }
  
          }
  
      }
  
      /**
       * Updates the internal value
       *
       * @param string $value
       * @return void
       */
      public function setValue($value) {
  
          $this->value = $value;
  
      }
  
      /**
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       * Returns the internal value
       *
       * @param string $value
       * @return string
       */
      public function getValue() {
  
          return $this->value;
  
      }
  
      /**
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       * Turns the object back into a serialized blob.
       *
       * @return string
       */
      public function serialize() {
  
          $str = $this->name;
          if ($this->group) $str = $this->group . '.' . $this->name;
  
          foreach($this->parameters as $param) {
  
              $str.=';' . $param->serialize();
  
          }
  
          $src = array(
              '\\',
              "
  ",
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              "\r",
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          );
          $out = array(
              '\\\\',
              '
  ',
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              '',
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          );
          $str.=':' . str_replace($src, $out, $this->value);
  
          $out = '';
          while(strlen($str)>0) {
              if (strlen($str)>75) {
                  $out.= mb_strcut($str,0,75,'utf-8') . "\r
  ";
                  $str = ' ' . mb_strcut($str,75,strlen($str),'utf-8');
              } else {
                  $out.=$str . "\r
  ";
                  $str='';
                  break;
              }
          }
  
          return $out;
  
      }
  
      /**
       * Adds a new componenten or element
       *
       * You can call this method with the following syntaxes:
       *
       * add(Parameter $element)
       * add(string $name, $value)
       *
       * The first version adds an Parameter
       * The second adds a property as a string.
       *
       * @param mixed $item
       * @param mixed $itemValue
       * @return void
       */
      public function add($item, $itemValue = null) {
  
          if ($item instanceof Parameter) {
              if (!is_null($itemValue)) {
                  throw new \InvalidArgumentException('The second argument must not be specified, when passing a VObject');
              }
              $item->parent = $this;
              $this->parameters[] = $item;
          } elseif(is_string($item)) {
  
              $parameter = new Parameter($item,$itemValue);
              $parameter->parent = $this;
              $this->parameters[] = $parameter;
  
          } else {
  
              throw new \InvalidArgumentException('The first argument must either be a Node a string');
  
          }
  
      }
  
      /* ArrayAccess interface {{{ */
  
      /**
       * Checks if an array element exists
       *
       * @param mixed $name
       * @return bool
       */
      public function offsetExists($name) {
  
          if (is_int($name)) return parent::offsetExists($name);
  
          $name = strtoupper($name);
  
          foreach($this->parameters as $parameter) {
              if ($parameter->name == $name) return true;
          }
          return false;
  
      }
  
      /**
       * Returns a parameter, or parameter list.
       *
       * @param string $name
       * @return Node
       */
      public function offsetGet($name) {
  
          if (is_int($name)) return parent::offsetGet($name);
          $name = strtoupper($name);
  
          $result = array();
          foreach($this->parameters as $parameter) {
              if ($parameter->name == $name)
                  $result[] = $parameter;
          }
  
          if (count($result)===0) {
              return null;
          } elseif (count($result)===1) {
              return $result[0];
          } else {
              $result[0]->setIterator(new ElementList($result));
              return $result[0];
          }
  
      }
  
      /**
       * Creates a new parameter
       *
       * @param string $name
       * @param mixed $value
       * @return void
       */
      public function offsetSet($name, $value) {
  
          if (is_int($name)) parent::offsetSet($name, $value);
  
          if (is_scalar($value)) {
              if (!is_string($name))
                  throw new \InvalidArgumentException('A parameter name must be specified. This means you cannot use the $array[]="string" to add parameters.');
  
              $this->offsetUnset($name);
              $parameter = new Parameter($name, $value);
              $parameter->parent = $this;
              $this->parameters[] = $parameter;
  
          } elseif ($value instanceof Parameter) {
              if (!is_null($name))
                  throw new \InvalidArgumentException('Don\'t specify a parameter name if you\'re passing a \\Sabre\\VObject\\Parameter. Add using $array[]=$parameterObject.');
  
              $value->parent = $this;
              $this->parameters[] = $value;
          } else {
              throw new \InvalidArgumentException('You can only add parameters to the property object');
          }
  
      }
  
      /**
       * Removes one or more parameters with the specified name
       *
       * @param string $name
       * @return void
       */
      public function offsetUnset($name) {
  
          if (is_int($name)) parent::offsetUnset($name);
          $name = strtoupper($name);
  
          foreach($this->parameters as $key=>$parameter) {
              if ($parameter->name == $name) {
                  $parameter->parent = null;
                  unset($this->parameters[$key]);
              }
  
          }
  
      }
  
      /* }}} */
  
      /**
       * Called when this object is being cast to a string
       *
       * @return string
       */
      public function __toString() {
  
          return (string)$this->value;
  
      }
  
      /**
       * This method is automatically called when the object is cloned.
       * Specifically, this will ensure all child elements are also cloned.
       *
       * @return void
       */
      public function __clone() {
  
          foreach($this->parameters as $key=>$child) {
              $this->parameters[$key] = clone $child;
              $this->parameters[$key]->parent = $this;
          }
  
      }
  
      /**
       * Validates the node for correctness.
       *
       * The following options are supported:
       *   - Node::REPAIR - If something is broken, and automatic repair may
       *                    be attempted.
       *
       * An array is returned with warnings.
       *
       * Every item in the array has the following properties:
       *    * level - (number between 1 and 3 with severity information)
       *    * message - (human readable message)
       *    * node - (reference to the offending node)
       *
       * @param int $options
       * @return array
       */
      public function validate($options = 0) {
  
          $warnings = array();
  
          // Checking if our value is UTF-8
          if (!StringUtil::isUTF8($this->value)) {
              $warnings[] = array(
                  'level' => 1,
                  'message' => 'Property is not valid UTF-8!',
                  'node' => $this,
              );
              if ($options & self::REPAIR) {
                  $this->value = StringUtil::convertToUTF8($this->value);
              }
          }
  
          // Checking if the propertyname does not contain any invalid bytes.
          if (!preg_match('/^([A-Z0-9-]+)$/', $this->name)) {
              $warnings[] = array(
                  'level' => 1,
                  'message' => 'The propertyname: ' . $this->name . ' contains invalid characters. Only A-Z, 0-9 and - are allowed',
                  'node' => $this,
              );
              if ($options & self::REPAIR) {
                  // Uppercasing and converting underscores to dashes.
                  $this->name = strtoupper(
                      str_replace('_', '-', $this->name)
                  );
                  // Removing every other invalid character
                  $this->name = preg_replace('/([^A-Z0-9-])/u', '', $this->name);
  
              }
  
          }
  
          // Validating inner parameters
          foreach($this->parameters as $param) {
              $warnings = array_merge($warnings, $param->validate($options));
          }
  
          return $warnings;
  
      }
  
  }