CardDAV (pre-alpha/unstable)

rainloop/v/0.0.0/app/libraries/Sabre/VObject/Parser/Json.php

@@ -0,0 +1,188 @@
+<?php
+
+namespace Sabre\VObject\Parser;
+
+use
+    Sabre\VObject\Component\VCalendar,
+    Sabre\VObject\Component\VCard,
+    Sabre\VObject\ParseException,
+    Sabre\VObject\EofException;
+
+/**
+ * Json Parser.
+ *
+ * This parser parses both the jCal and jCard formats.
+ *
+ * @copyright Copyright (C) 2007-2013 fruux GmbH. All rights reserved.
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class Json extends Parser {
+
+    /**
+     * The input data
+     *
+     * @var array
+     */
+    protected $input;
+
+    /**
+     * Root component
+     *
+     * @var Document
+     */
+    protected $root;
+
+    /**
+     * This method starts the parsing process.
+     *
+     * If the input was not supplied during construction, it's possible to pass
+     * it here instead.
+     *
+     * If either input or options are not supplied, the defaults will be used.
+     *
+     * @param resource|string|array|null $input
+     * @param int|null $options
+     * @return array
+     */
+    public function parse($input = null, $options = null) {
+
+        if (!is_null($input)) {
+            $this->setInput($input);
+        }
+        if (is_null($this->input)) {
+            throw new EofException('End of input stream, or no input supplied');
+        }
+
+        if (!is_null($options)) {
+            $this->options = $options;
+        }
+
+        switch($this->input[0]) {
+            case 'vcalendar' :
+                $this->root = new VCalendar(array(), false);
+                break;
+            case 'vcard' :
+                $this->root = new VCard(array(), false);
+                break;
+            default :
+                throw new ParseException('The root component must either be a vcalendar, or a vcard');
+
+        }
+        foreach($this->input[1] as $prop) {
+            $this->root->add($this->parseProperty($prop));
+        }
+        if (isset($this->input[2])) foreach($this->input[2] as $comp) {
+            $this->root->add($this->parseComponent($comp));
+        }
+
+        // Resetting the input so we can throw an feof exception the next time.
+        $this->input = null;
+
+        return $this->root;
+
+    }
+
+    /**
+     * Parses a component
+     *
+     * @param array $jComp
+     * @return \Sabre\VObject\Component
+     */
+    public function parseComponent(array $jComp) {
+
+        // We can remove $self from PHP 5.4 onward.
+        $self = $this;
+
+        $properties = array_map(function($jProp) use ($self) {
+            return $self->parseProperty($jProp);
+        }, $jComp[1]);
+
+        if (isset($jComp[2])) {
+
+            $components = array_map(function($jComp) use ($self) {
+                return $self->parseComponent($jComp);
+            }, $jComp[2]);
+
+        } else $components = array();
+
+        return $this->root->createComponent(
+            $jComp[0],
+            array_merge( $properties, $components),
+            $defaults = false
+        );
+
+    }
+
+    /**
+     * Parses properties.
+     *
+     * @param array $jProp
+     * @return \Sabre\VObject\Property
+     */
+    public function parseProperty(array $jProp) {
+
+        list(
+            $propertyName,
+            $parameters,
+            $valueType
+        ) = $jProp;
+
+        $propertyName = strtoupper($propertyName);
+
+        // This is the default class we would be using if we didn't know the
+        // value type. We're using this value later in this function.
+        $defaultPropertyClass = $this->root->getClassNameForPropertyName($propertyName);
+
+        $parameters = (array)$parameters;
+
+        $value = array_slice($jProp, 3);
+
+        $valueType = strtoupper($valueType);
+
+        if (isset($parameters['group'])) {
+            $propertyName = $parameters['group'] . '.' . $propertyName;
+            unset($parameters['group']);
+        }
+
+        $prop = $this->root->createProperty($propertyName, null, $parameters, $valueType);
+        $prop->setJsonValue($value);
+
+        // We have to do something awkward here. FlatText as well as Text
+        // represents TEXT values. We have to normalize these here. In the
+        // future we can get rid of FlatText once we're allowed to break BC
+        // again.
+        if ($defaultPropertyClass === 'Sabre\VObject\Property\FlatText') {
+            $defaultPropertyClass = 'Sabre\VObject\Property\Text';
+        }
+
+        // If the value type we received (e.g.: TEXT) was not the default value
+        // type for the given property (e.g.: BDAY), we need to add a VALUE=
+        // parameter.
+        if ($defaultPropertyClass !== get_class($prop)) {
+            $prop["VALUE"] = $valueType;
+        }
+
+        return $prop;
+
+    }
+
+    /**
+     * Sets the input data
+     *
+     * @param resource|string|array $input
+     * @return void
+     */
+    public function setInput($input) {
+
+        if (is_resource($input)) {
+            $input = stream_get_contents($input);
+        }
+        if (is_string($input)) {
+            $input = json_decode($input);
+        }
+        $this->input = $input;
+
+    }
+
+}