First prototype
diff --git a/inc/Gtfs/Trip.php b/inc/Gtfs/Trip.php
new file mode 100644
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--- /dev/null
+++ b/inc/Gtfs/Trip.php
@@ -0,0 +1,346 @@
+<?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.Trip</code>
+ */
+class Trip extends \Google\Protobuf\Internal\Message
+{
+ /**
+ * The route_id field contains an ID that uniquely identifies a route.
+ *
+ * Generated from protobuf field <code>string route_id = 1;</code>
+ */
+ protected $route_id = '';
+ /**
+ * The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes.
+ *
+ * Generated from protobuf field <code>string service_id = 2;</code>
+ */
+ protected $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 trip_id = 3;</code>
+ */
+ protected $trip_id = '';
+ /**
+ * The trip_headsign field contains the text that appears on a sign that identifies the trip's destination to passengers.
+ *
+ * Generated from protobuf field <code>string trip_headsign = 4;</code>
+ */
+ protected $trip_headsign = '';
+ /**
+ * The trip_short_name field contains the text that appears in schedules and sign boards to identify the trip to passengers.
+ *
+ * Generated from protobuf field <code>string trip_short_name = 5;</code>
+ */
+ protected $trip_short_name = '';
+ /**
+ * Generated from protobuf field <code>.gtfs.Trip.Direction direction_id = 6;</code>
+ */
+ protected $direction_id = 0;
+ /**
+ * The block_id field identifies the block to which the trip belongs.
+ * A block consists of two or more sequential trips made using the same vehicle,
+ * where a passenger can transfer from one trip to the next just by staying in the vehicle.
+ *
+ * Generated from protobuf field <code>string block_id = 7;</code>
+ */
+ protected $block_id = '';
+ /**
+ * The shape_id field contains an ID that defines a shape for the trip.
+ *
+ * Generated from protobuf field <code>string shape_id = 8;</code>
+ */
+ protected $shape_id = '';
+ /**
+ * 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 $route_id
+ * The route_id field contains an ID that uniquely identifies a route.
+ * @type string $service_id
+ * The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes.
+ * @type string $trip_id
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ * @type string $trip_headsign
+ * The trip_headsign field contains the text that appears on a sign that identifies the trip's destination to passengers.
+ * @type string $trip_short_name
+ * The trip_short_name field contains the text that appears in schedules and sign boards to identify the trip to passengers.
+ * @type int $direction_id
+ * @type string $block_id
+ * The block_id field identifies the block to which the trip belongs.
+ * A block consists of two or more sequential trips made using the same vehicle,
+ * where a passenger can transfer from one trip to the next just by staying in the vehicle.
+ * @type string $shape_id
+ * The shape_id field contains an ID that defines a shape for the trip.
+ * @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 route_id field contains an ID that uniquely identifies a route.
+ *
+ * Generated from protobuf field <code>string route_id = 1;</code>
+ * @return string
+ */
+ public function getRouteId()
+ {
+ return $this->route_id;
+ }
+
+ /**
+ * The route_id field contains an ID that uniquely identifies a route.
+ *
+ * Generated from protobuf field <code>string route_id = 1;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setRouteId($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->route_id = $var;
+
+ return $this;
+ }
+
+ /**
+ * The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes.
+ *
+ * Generated from protobuf field <code>string service_id = 2;</code>
+ * @return string
+ */
+ public function getServiceId()
+ {
+ return $this->service_id;
+ }
+
+ /**
+ * The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes.
+ *
+ * Generated from protobuf field <code>string service_id = 2;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setServiceId($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->service_id = $var;
+
+ return $this;
+ }
+
+ /**
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ *
+ * Generated from protobuf field <code>string trip_id = 3;</code>
+ * @return string
+ */
+ public function getTripId()
+ {
+ return $this->trip_id;
+ }
+
+ /**
+ * The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
+ *
+ * Generated from protobuf field <code>string trip_id = 3;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setTripId($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->trip_id = $var;
+
+ return $this;
+ }
+
+ /**
+ * The trip_headsign field contains the text that appears on a sign that identifies the trip's destination to passengers.
+ *
+ * Generated from protobuf field <code>string trip_headsign = 4;</code>
+ * @return string
+ */
+ public function getTripHeadsign()
+ {
+ return $this->trip_headsign;
+ }
+
+ /**
+ * The trip_headsign field contains the text that appears on a sign that identifies the trip's destination to passengers.
+ *
+ * Generated from protobuf field <code>string trip_headsign = 4;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setTripHeadsign($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->trip_headsign = $var;
+
+ return $this;
+ }
+
+ /**
+ * The trip_short_name field contains the text that appears in schedules and sign boards to identify the trip to passengers.
+ *
+ * Generated from protobuf field <code>string trip_short_name = 5;</code>
+ * @return string
+ */
+ public function getTripShortName()
+ {
+ return $this->trip_short_name;
+ }
+
+ /**
+ * The trip_short_name field contains the text that appears in schedules and sign boards to identify the trip to passengers.
+ *
+ * Generated from protobuf field <code>string trip_short_name = 5;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setTripShortName($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->trip_short_name = $var;
+
+ return $this;
+ }
+
+ /**
+ * Generated from protobuf field <code>.gtfs.Trip.Direction direction_id = 6;</code>
+ * @return int
+ */
+ public function getDirectionId()
+ {
+ return $this->direction_id;
+ }
+
+ /**
+ * Generated from protobuf field <code>.gtfs.Trip.Direction direction_id = 6;</code>
+ * @param int $var
+ * @return $this
+ */
+ public function setDirectionId($var)
+ {
+ GPBUtil::checkEnum($var, \Gtfs\Trip_Direction::class);
+ $this->direction_id = $var;
+
+ return $this;
+ }
+
+ /**
+ * The block_id field identifies the block to which the trip belongs.
+ * A block consists of two or more sequential trips made using the same vehicle,
+ * where a passenger can transfer from one trip to the next just by staying in the vehicle.
+ *
+ * Generated from protobuf field <code>string block_id = 7;</code>
+ * @return string
+ */
+ public function getBlockId()
+ {
+ return $this->block_id;
+ }
+
+ /**
+ * The block_id field identifies the block to which the trip belongs.
+ * A block consists of two or more sequential trips made using the same vehicle,
+ * where a passenger can transfer from one trip to the next just by staying in the vehicle.
+ *
+ * Generated from protobuf field <code>string block_id = 7;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setBlockId($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->block_id = $var;
+
+ return $this;
+ }
+
+ /**
+ * The shape_id field contains an ID that defines a shape for the trip.
+ *
+ * Generated from protobuf field <code>string shape_id = 8;</code>
+ * @return string
+ */
+ public function getShapeId()
+ {
+ return $this->shape_id;
+ }
+
+ /**
+ * The shape_id field contains an ID that defines a shape for the trip.
+ *
+ * Generated from protobuf field <code>string shape_id = 8;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setShapeId($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->shape_id = $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;
+ }
+
+}
+