First prototype
diff --git a/inc/Gtfs/CalendarDate.php b/inc/Gtfs/CalendarDate.php
new file mode 100644
index 0000000..a3f9240
--- /dev/null
+++ b/inc/Gtfs/CalendarDate.php
@@ -0,0 +1,161 @@
+<?php
+# Generated by the protocol buffer compiler. DO NOT EDIT!
+# source: proto/gtfs.proto
+
+namespace Gtfs;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Generated from protobuf message <code>gtfs.CalendarDate</code>
+ */
+class CalendarDate extends \Google\Protobuf\Internal\Message
+{
+ /**
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ *
+ * Generated from protobuf field <code>string service_id = 1;</code>
+ */
+ protected $service_id = '';
+ /**
+ * Generated from protobuf field <code>string date = 2;</code>
+ */
+ protected $date = '';
+ /**
+ * Generated from protobuf field <code>.gtfs.CalendarDate.ExceptionType exception_type = 3;</code>
+ */
+ protected $exception_type = 0;
+ /**
+ * The extensions namespace allows 3rd-party developers to extend the
+ * GTFS specification in order to add and evaluate new features and
+ * modifications to the spec.
+ *
+ * Generated from protobuf field <code>.google.protobuf.Any extension = 2000;</code>
+ */
+ protected $extension = null;
+
+ /**
+ * Constructor.
+ *
+ * @param array $data {
+ * Optional. Data for populating the Message object.
+ *
+ * @type string $service_id
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ * @type string $date
+ * @type int $exception_type
+ * @type \Google\Protobuf\Any $extension
+ * The extensions namespace allows 3rd-party developers to extend the
+ * GTFS specification in order to add and evaluate new features and
+ * modifications to the spec.
+ * }
+ */
+ public function __construct($data = NULL) {
+ \GPBMetadata\Proto\Gtfs::initOnce();
+ parent::__construct($data);
+ }
+
+ /**
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ *
+ * Generated from protobuf field <code>string service_id = 1;</code>
+ * @return string
+ */
+ public function getServiceId()
+ {
+ return $this->service_id;
+ }
+
+ /**
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ *
+ * Generated from protobuf field <code>string service_id = 1;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setServiceId($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->service_id = $var;
+
+ return $this;
+ }
+
+ /**
+ * Generated from protobuf field <code>string date = 2;</code>
+ * @return string
+ */
+ public function getDate()
+ {
+ return $this->date;
+ }
+
+ /**
+ * Generated from protobuf field <code>string date = 2;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setDate($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->date = $var;
+
+ return $this;
+ }
+
+ /**
+ * Generated from protobuf field <code>.gtfs.CalendarDate.ExceptionType exception_type = 3;</code>
+ * @return int
+ */
+ public function getExceptionType()
+ {
+ return $this->exception_type;
+ }
+
+ /**
+ * Generated from protobuf field <code>.gtfs.CalendarDate.ExceptionType exception_type = 3;</code>
+ * @param int $var
+ * @return $this
+ */
+ public function setExceptionType($var)
+ {
+ GPBUtil::checkEnum($var, \Gtfs\CalendarDate_ExceptionType::class);
+ $this->exception_type = $var;
+
+ return $this;
+ }
+
+ /**
+ * The extensions namespace allows 3rd-party developers to extend the
+ * GTFS specification in order to add and evaluate new features and
+ * modifications to the spec.
+ *
+ * Generated from protobuf field <code>.google.protobuf.Any extension = 2000;</code>
+ * @return \Google\Protobuf\Any
+ */
+ public function getExtension()
+ {
+ return $this->extension;
+ }
+
+ /**
+ * The extensions namespace allows 3rd-party developers to extend the
+ * GTFS specification in order to add and evaluate new features and
+ * modifications to the spec.
+ *
+ * Generated from protobuf field <code>.google.protobuf.Any extension = 2000;</code>
+ * @param \Google\Protobuf\Any $var
+ * @return $this
+ */
+ public function setExtension($var)
+ {
+ GPBUtil::checkMessage($var, \Google\Protobuf\Any::class);
+ $this->extension = $var;
+
+ return $this;
+ }
+
+}
+