/**
* Populates this template from an XML source.
*
* @param DocBlox_Transformer $transformer The transformer which is parent.
* @param string $xml The XML definition for this template.
*
* @return void
*/
public function populate(DocBlox_Transformer $transformer, $xml)
{
$xml = new SimpleXMLElement($xml);
$this->author = $xml->author;
$this->version = $xml->version;
$this->copyright = $xml->copyright;
foreach ($xml->transformations->transformation as $transformation) {
$transformation_obj = new DocBlox_Transformer_Transformation($transformer, (string) $transformation['query'], (string) $transformation['writer'], (string) $transformation['source'], (string) $transformation['artifact']);
if (isset($transformation['parameters']) && count($transformation['parameters'])) {
$transformation_obj->setParameters($transformation['parameters']);
}
$this->transformations[] = $transformation_obj;
}
}
/**
* Adds the given transformation to the transformer for execution.
*
* It is also allowed to pass an array notation for the transformation; then this method will create
* a transformation object out of it.
*
* The structure for this array must be:
* array(
* 'query' => <query>,
* 'writer' => <writer>,
* 'source' => <source>,
* 'artifact' => <artifact>,
* 'parameters' => array(<parameters>),
* 'dependencies' => array(<dependencies>)
* )
*
* @param Transformation|array $transformation
*
* @return void
*/
public function addTransformation($transformation)
{
if (is_array($transformation)) {
// check if all required items are present
if (!key_exists('query', $transformation) || !key_exists('writer', $transformation) || !key_exists('source', $transformation) || !key_exists('artifact', $transformation)) {
throw new InvalidArgumentException('Transformation array is missing elements, received: ' . var_export($transformation, true));
}
$transformation_obj = new DocBlox_Transformer_Transformation($this, $transformation['query'], $transformation['writer'], $transformation['source'], $transformation['artifact']);
if (isset($transformation['parameters']) && is_array($transformation['parameters'])) {
$transformation_obj->setParameters($transformation['parameters']);
}
$transformation = $transformation_obj;
}
// if it is still not an object; fail
if (!is_object($transformation)) {
throw new InvalidArgumentException('Only transformations of type (or descended from) DocBlox_Transformer_Transformation can be used in the ' . 'transformation process; received: ' . gettype($transformation));
}
// if the object is not a DocBlox_Transformer_Transformation; we cannot use it
if (!$transformation instanceof DocBlox_Transformer_Transformation) {
throw new InvalidArgumentException('Only transformations of type (or descended from) DocBlox_Transformer_Transformation can be used in the ' . 'transformation process; received: ' . get_class($transformation));
}
$this->transformations[] = $transformation;
}
public static function createFromArray(DocBlox_Transformer $transformer, array $transformation)
{
// check if all required items are present
if (!key_exists('query', $transformation) || !key_exists('writer', $transformation) || !key_exists('source', $transformation) || !key_exists('artifact', $transformation)) {
throw new InvalidArgumentException('Transformation array is missing elements, received: ' . var_export($transformation, true));
}
$transformation_obj = new DocBlox_Transformer_Transformation($transformer, $transformation['query'], $transformation['writer'], $transformation['source'], $transformation['artifact']);
if (isset($transformation['parameters']) && is_array($transformation['parameters'])) {
$transformation_obj->setParameters($transformation['parameters']);
}
return $transformation_obj;
}
