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<?php |
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/** |
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* Objects.php |
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* 01-Oct-2011 |
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* PHP Version 5 |
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* |
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* @category Services |
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* @package Services_OpenStreetMap |
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* @author Ken Guest <kguest@php.net> |
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* @license BSD http://www.opensource.org/licenses/bsd-license.php |
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* @link Ways.php |
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*/ |
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/** |
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* Services_OpenStreetMap_Objects |
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* |
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* @category Services |
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* @package Services_OpenStreetMap |
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* @author Ken Guest <kguest@php.net> |
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* @license BSD http://www.opensource.org/licenses/bsd-license.php |
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* @link Objects.php |
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*/ |
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class Services_OpenStreetMap_Objects implements Iterator, ArrayAccess, Countable |
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{ |
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protected $xml = null; |
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protected $objects = null; |
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protected $position = 0; |
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protected $transport = null; |
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protected $config = null; |
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/** |
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* getXml |
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* |
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* @return string |
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*/ |
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public function getXml() |
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{ |
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return $this->xml; |
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} |
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/** |
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* setXml |
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* |
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* @param mixed $xml OSM XML |
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* |
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* @return void |
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*/ |
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public function setXml(SimpleXMLElement $xml) |
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{ |
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$this->xml = $xml->saveXML(); |
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$objs = $xml->xpath('//' . $this->getType()); |
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foreach ($objs as $obj) { |
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$this->objects[] = $obj->saveXML(); |
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} |
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return $this; |
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} |
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/** |
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* Store a specified value. |
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* |
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* @param string $value Most likely an id value, returned from the server. |
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* |
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* @return void |
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*/ |
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public function setVal($value) |
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{ |
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$this->xml = $value; |
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return $this; |
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} |
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/** |
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* Return the number of objects |
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* |
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* @return void |
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*/ |
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public function count() |
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{ |
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return sizeof($this->objects); |
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} |
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/** |
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* Resets the internal iterator pointer |
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* |
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* @return void |
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*/ |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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/** |
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* Return the current object |
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* |
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* @return Services_OpenStreetMap_Object |
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*/ |
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public function current() |
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{ |
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$class = 'Services_OpenStreetMap_' . ucfirst(strtolower($this->getType())); |
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$way = new $class(); |
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$config = $this->getConfig(); |
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if (!is_null($config)) { |
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$way->setConfig($config); |
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} |
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$way->setTransport($this->getTransport()); |
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$way->setXml(simplexml_load_string($this->objects[$this->position])); |
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return $way; |
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} |
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/** |
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* Advance the internal iterator pointer |
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* |
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* @return void |
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*/ |
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public function next() |
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{ |
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++$this->position; |
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} |
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/** |
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* Return the key of the current internal iterator pointer |
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* |
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* @return void |
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*/ |
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public function key() |
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{ |
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return $this->position; |
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} |
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/** |
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* Returns whether the current internal iterator pointer is pointing to an |
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* existing/valid value. |
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* |
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* @return bool |
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*/ |
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public function valid() |
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{ |
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return isset($this->objects[$this->position]); |
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} |
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/** |
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* Check if the specified offset exists. |
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* |
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* @param int $offset N/A. |
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* |
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* @return bool |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->objects[$offset]); |
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} |
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/** |
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* Get object from the specified offset. |
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* |
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* @param int $offset N/A. |
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* |
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* @return Services_OpenStreetMap_Object |
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*/ |
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public function offsetGet($offset) |
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{ |
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$class = 'Services_OpenStreetMap_' . ucfirst(strtolower($this->getType())); |
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$way = new $class(); |
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$config = $this->getConfig(); |
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if (!is_null($config)) { |
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$way->setConfig($config); |
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} |
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$way->setTransport($this->getTransport()); |
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if (isset($this->objects[$offset])) { |
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$way->setXml(simplexml_load_string($this->objects[$offset])); |
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return $way; |
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} |
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} |
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/** |
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* Does nothing as collection is read-only: required for ArrayAccess. |
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* |
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* @param int $offset N/A |
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* @param Services_OpenStreetMap_Object $value N/A |
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* |
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* @return void |
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* @throws LogicException |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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throw new LogicException('Changing properties not implemented'); |
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} |
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/** |
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* Does nothing as collection is read-only: required for ArrayAccess. |
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* |
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* @param int $offset N/A. |
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* |
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* @return void |
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* @throws LogicException |
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*/ |
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public function offsetUnset($offset) |
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{ |
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throw new LogicException('Changing properties not implemented'); |
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} |
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/** |
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* Set Config object |
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* |
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* @param Services_OpenStreetMap_Config $config Config object |
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* |
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* @return Services_OpenStreetMap_Changeset |
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*/ |
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public function setConfig(Services_OpenStreetMap_Config $config) |
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{ |
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$this->config = $config; |
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return $this; |
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} |
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/** |
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* Get current Config object |
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* |
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* @return Services_OpenStreetMap_Config |
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*/ |
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public function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* Set the Transport instance. |
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* |
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* @param Services_OpenStreetMap_Transport $transport Transport instance. |
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* |
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* @return Services_OpenStreetMap_Config |
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*/ |
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public function setTransport($transport) |
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{ |
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$this->transport = $transport; |
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return $this; |
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} |
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/** |
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* Retrieve the current Transport instance. |
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* |
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* @return Services_OpenStreetMap_Transport. |
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*/ |
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public function getTransport() |
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{ |
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return $this->transport; |
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} |
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} |
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?> |