/**
* Links to other resources that describe this GPX file.
*
- * @var Link[]
+ * @var TypedDoublyLinkedList (Link)
*/
- protected $links = [];
+ protected $links;
/**
* The creation time of the file.
/**
* A list of keywords classifying this GPX file.
*
- * @var string[]
+ * @var TypedDoublyLinkedList (string)
*/
- protected $keywords = [];
+ protected $keywords;
+
+ /**
+ * A list of XML snippets describing unsupported metadata.
+ *
+ * @var TypedDoublyLinkedList (string)
+ */
+ protected $metadataExtensions;
+
+ /**
+ * A list of waypoints.
+ *
+ * @var TypedDoublyLinkedList (Point)
+ */
+ protected $waypoints;
+
+ /**
+ * A list of routes.
+ *
+ * @var TypedDoublyLinkedList (Route)
+ */
+ protected $routes;
+
+ /**
+ * A list of tracks.
+ *
+ * @var TypedDoublyLinkedList (Track)
+ */
+ protected $tracks;
+
+ /**
+ * A list of XML snippets describing unsupported elements.
+ *
+ * @var TypedDoublyLinkedList (string)
+ */
+ protected $extensions;
/**
* Fetch the name of the program that created the GPX file.
/**
* Fetch links to other resources.
*
- * @return Link[]
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList
*/
- public function getLinks()
+ public function getLinks(bool $create = true)
{
+ if ($create && $this->links === null)
+ $this->links = new TypedDoublyLinkedList('libgpx\Link');
return $this->links;
}
/**
- * Add a link to an related resource.
+ * Fetch the time the GPX file was created.
*
- * @param Link $link The link to add.
- * @return void
+ * @return DateTimeInterface|null A timestamp or null if not set.
+ */
+ public function getTime()
+ {
+ return $this->time;
+ }
+
+ /**
+ * Set the time at which the file was created.
+ *
+ * @param DateTimeInterface $time The creation time or null to delete.
*/
- public function addLink(Link $link)
+ public function setTime(DateTimeInterface $time = null)
{
- if (!in_array($link, $this->links, true))
- $this->links[] = $link;
+ $this->time = $time;
}
/**
- * Remove an existing link from the list.
+ * Fetch a list of keywords for this GPX file.
*
- * @param Link $link The link to remove.
- * @return void
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList The keywords
*/
- public function removeLink(Link $link)
+ public function getKeywords(bool $create = true)
{
- $key = array_search($link, $this->links, true);
- if ($key !== null)
- unset($this->links[$key]);
+ if ($create && $this->keywords === null)
+ $this->keywords = new TypedDoublyLinkedList('string');
+ return $this->keywords;
}
/**
- * Fetch the time the GPX file was created.
+ * Fetch a list of XML snippets describing unsupported metadata.
*
- * @return DateTimeInterface|null A timestamp or null if not set.
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList The keywords
*/
- public function getTime()
+ public function getMetadataExtensions(bool $create = true)
{
- return $this->time;
+ if ($create && $this->metadataExtensions === null)
+ $this->metadataExtensions = new TypedDoublyLinkedList('string');
+ return $this->metadataExtensions;
}
/**
- * Set the time at which the file was created.
+ * Fetch a list of waypoints.
*
- * @param DateTimeInterface $time The creation time or null to delete.
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList A list of waypoints.
*/
- public function setTime(DateTimeInterface $time = null)
+ public function getWaypoints(bool $create = true)
{
- $this->time = $time;
+ if ($create && $this->waypoints === null)
+ $this->waypoints = new TypedDoublyLinkedList('libgpx\Point');
+ return $this->waypoints;
}
/**
- * Fetch a list of keywords for this GPX file.
+ * Fetch a list of routes.
*
- * @return string[] The keywords
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList A list of routes.
*/
- public function getKeywords()
+ public function getRoutes(bool $create = true)
{
- return $this->keywords;
+ if ($create && $this->routes === null)
+ $this->routes = new TypedDoublyLinkedList('libgpx\Route');
+ return $this->routes;
}
/**
- * Add a keyword for this GPX file.
+ * Fetch a list of tracks.
*
- * @param string $keyword The keyword to add.
- * @return void
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList A list of tracks.
*/
- public function addKeyword(string $keyword)
+ public function getTracks(bool $create = true)
{
- if (!in_array($keyword, $this->keywords))
- $this->keywords[] = $keyword;
+ if ($create && $this->tracks === null)
+ $this->tracks = new TypedDoublyLinkedList('libgpx\Track');
+ return $this->tracks;
}
/**
- * Remove an existing keyword from the list.
+ * Fetch a list of protocol extensions as raw XML.
*
- * @param string $keyword The keyword to remove.
- * @return void
+ * @param boolean $create Create the list if it does not already exist.
+ * @return TypedDoublyLinkedList A list of protocol extensions.
*/
- public function removeKeyword(string $keyword)
+ public function getExtensions(bool $create = true)
{
- $key = array_search($keyword, $this->keywords);
- if ($key !== null)
- unset($this->keywords[$key]);
+ if ($create && $this->extensions === null)
+ $this->extensions = new TypedDoublyLinkedList('string');
+ return $this->extensions;
}
/**
*/
public function getBounds()
{
- //TODO: Implement this properly when waypoints, routes and tracks have
- // been implemented.
- return null;
+ $result = null;
+ $lists = [
+ $this->waypoints,
+ $this->routes,
+ $this->tracks
+ ];
+ foreach ($lists as $list) {
+ if ($list === null) continue;
+ foreach ($list as $geo) {
+ $bounds = $geo->getBounds();
+ if ($bounds === null) continue;
+ $result = ($result === null ? $bounds : $result->extend($bounds));
+ }
+ }
+ return $result;
}
}
projects / andy / gpx.git / blobdiff