创建版本

2021-02-22 12:17:00 +08:00
commit af555f49c3
2332 changed files with 369202 additions and 0 deletions
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+<?php namespace App\Support;
+
+/**
+ * This class provides a streamlined interface to the Sabre VObject classes
+ */
+class VObject
+{
+    /** @var Sabre\VObject\Component */
+    protected $vobject;
+
+    /**
+     * @returns Sabre\VObject\Component
+     */
+    public function getVObject()
+    {
+        return $this->vobject;
+    }
+
+    /**
+     * @brief Parses the VObject
+     * @param string VObject as string
+     * @returns VObject or null
+     */
+    public static function parse($data)
+    {
+        try {
+            \Sabre\VObject\Property::$classMap['LAST-MODIFIED'] = 'Sabre\VObject\Property\DateTime';
+            $vobject = \Sabre\VObject\Reader::read($data);
+            if ($vobject instanceof \Sabre\VObject\Component) {
+                $vobject = new VObject($vobject);
+            }
+            return $vobject;
+        } catch (\Exception $e) {
+            //OC_Wang_Log::write('vobject', $e->getMessage(), OC_Wang_Log::ERROR);
+            return null;
+        }
+    }
+
+    /**
+     * @brief Escapes semicolons
+     * @param string $value
+     * @return string
+     */
+    public static function escapeSemicolons($value)
+    {
+        foreach ($value as &$i) {
+            $i = implode("\\\\;", explode(';', $i));
+        }
+        return implode(';', $value);
+    }
+
+    /**
+     * @brief Creates an array out of a multivalue property
+     * @param string $value
+     * @return array
+     */
+    public static function unescapeSemicolons($value)
+    {
+        $array = explode(';', $value);
+        for ($i=0;$i<count($array);$i++) {
+            if (substr($array[$i], -2, 2)=="\\\\") {
+                if (isset($array[$i+1])) {
+                    $array[$i] = substr($array[$i], 0, count($array[$i])-2).';'.$array[$i+1];
+                    unset($array[$i+1]);
+                } else {
+                    $array[$i] = substr($array[$i], 0, count($array[$i])-2).';';
+                }
+                $i = $i - 1;
+            }
+        }
+        return $array;
+    }
+
+    /**
+     * Constuctor
+     * @param Sabre\VObject\Component or string
+     */
+    public function __construct($vobject_or_name)
+    {
+        if (is_object($vobject_or_name)) {
+            $this->vobject = $vobject_or_name;
+        } else {
+            $this->vobject = new \Sabre\VObject\Component($vobject_or_name);
+        }
+    }
+
+    public function add($item, $itemValue = null)
+    {
+        if ($item instanceof VObject) {
+            $item = $item->getVObject();
+        }
+        $this->vobject->add($item, $itemValue);
+    }
+
+    /**
+     * @brief Add property to vobject
+     * @param object $name of property
+     * @param object $value of property
+     * @param object $parameters of property
+     * @returns VObject_Property newly created
+     */
+    public function addProperty($name, $value, $parameters=array())
+    {
+        if (is_array($value)) {
+            $value = VObject::escapeSemicolons($value);
+        }
+        $property = new \Sabre\VObject\Property($name, $value);
+        foreach ($parameters as $name => $value) {
+            $property->parameters[] = new \Sabre\VObject\Parameter($name, $value);
+        }
+
+        $this->vobject->add($property);
+        return $property;
+    }
+
+    public function setUID()
+    {
+        $uid = substr(md5(rand().time()), 0, 10);
+        $this->vobject->add('UID', $uid);
+    }
+
+    public function setString($name, $string)
+    {
+        if ($string != '') {
+            $string = strtr($string, array("\r\n"=>"\n"));
+            $this->vobject->__set($name, $string);
+        } else {
+            $this->vobject->__unset($name);
+        }
+    }
+
+    /**
+     * Sets or unsets the Date and Time for a property.
+     * When $datetime is set to 'now', use the current time
+     * When $datetime is null, unset the property
+     *
+     * @param string property name
+     * @param DateTime $datetime
+     * @param int $dateType
+     * @return void
+     */
+    public function setDateTime($name, $datetime, $dateType=\Sabre\VObject\Property\DateTime::LOCALTZ)
+    {
+        if ($datetime == 'now') {
+            $datetime = new \DateTime();
+        }
+        if ($datetime instanceof \DateTime) {
+            $datetime_element = new \Sabre\VObject\Property\DateTime($name);
+            $datetime_element->setDateTime($datetime, $dateType);
+            $this->vobject->__set($name, $datetime_element);
+        } else {
+            $this->vobject->__unset($name);
+        }
+    }
+
+    public function getAsString($name)
+    {
+        return $this->vobject->__isset($name) ?
+            $this->vobject->__get($name)->value :
+            '';
+    }
+
+    public function getAsArray($name)
+    {
+        $values = array();
+        if ($this->vobject->__isset($name)) {
+            $values = explode(',', $this->getAsString($name));
+            $values = array_map('trim', $values);
+        }
+        return $values;
+    }
+
+    public function &__get($name)
+    {
+        if ($name == 'children') {
+            return $this->vobject->children;
+        }
+        $return = $this->vobject->__get($name);
+        if ($return instanceof \Sabre\VObject\Component) {
+            $return = new VObject($return);
+        }
+        return $return;
+    }
+
+    public function __set($name, $value)
+    {
+        return $this->vobject->__set($name, $value);
+    }
+
+    public function __unset($name)
+    {
+        return $this->vobject->__unset($name);
+    }
+
+    public function __isset($name)
+    {
+        return $this->vobject->__isset($name);
+    }
+
+    public function __call($function, $arguments)
+    {
+        return call_user_func_array(array($this->vobject, $function), $arguments);
+    }
+}