IHMParamManagerClass.php
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<?php
/**
* @class IHMParamManagerClass
* @brief Parameter manager
* @details
*/
class IHMParamManagerClass
{
protected $userParameterLoader = null;
protected $expressionParser = null;
/*
* @brief Constructor
*/
function __construct()
{
}
/*
* @brief Add an existing parameter
*/
public function addExistingParam($param,$paramsData)
{
if ($this->isDerivedParam($param))
return $this->addDerivedParam($param,$paramsData);
else if ($this->isUploadedParam($param))
return $this->addUploadedParam($param,$paramsData);
else
return $this->addLocalParam($param,$paramsData);
return "";
}
/*
* @brief Add a process parameter
*/
public function addProcessParam($paramId,$expression,$params,$sampling,$gap,$dateModif,$paramsData)
{
$paramsData->addProcessParamToCreate($paramId, $expression, $params, $sampling, $gap,$dateModif);
foreach ($params as $param)
$this->addExistingParam($param,$paramsData);
return true;
}
/*
* @brief Detect if it's a derived parameter
*/
private function isDerivedParam($param)
{
return preg_match("#^ws_#",$param);
}
/*
* @brief Detect if it's a uploaded parameter
*/
private function isUploadedParam($param)
{
return preg_match("#^wsd_#",$param);
}
/*
* @brief Add a local parameter
*/
private function addLocalParam($param,$paramsData)
{
//local parameter
$indexes = array();
$calib_infos = array();
//check for components
$pattern = "/(?P<param>.*)\((?P<components>.*)\)/";
preg_match_all($pattern, $param, $matches);
if ((count($matches["param"]) > 0) && (count($matches["components"]) > 0))
{
$paramId = $matches["param"][0];
$indexes = explode(",",$matches["components"][0]);
}
else
$paramId = $param;
$paramPath = IHMConfigClass::getLocalParamDBPath().$paramId.".xml";
if (!file_exists($paramPath))
throw new Exception('Cannot find parameter local file '.$paramId);
$paramsData->addParamToCopy($paramId,$paramPath);
$this->addLinkedLocalParams($paramId,$paramsData);
return array("id" => $paramId, "indexes" => $indexes, "calib_infos" => $calib_infos);
}
/*
* @brief Add linked parameter
*/
private function addLinkedLocalParams($paramId,$paramsData)
{
$doc = new DOMDocument("1.0", "UTF-8");
$doc->preserveWhiteSpace = false;
$doc->formatOutput = true;
$paramPath = IHMConfigClass::getLocalParamDBPath().$paramId.".xml";
if (!$doc->load($paramPath))
throw new Exception('Cannot find parameter local file '.$paramId);
//<get>
$getNodes = $doc->getElementsByTagName('get');
if ($getNodes->length <= 0)
throw new Exception('Parameter local file '.$paramId.' dont have a getter node');
$getNode = $getNodes->item(0);
//<amdaParam name="imf"/>
$amdaParamNodes = $doc->getElementsByTagName('amdaParam');
foreach($amdaParamNodes as $amdaParamNode)
{
$linkedParamId = $amdaParamNode->getAttribute('name');
if ($linkedParamId == '')
continue;
$linkedParamPath = IHMConfigClass::getLocalParamDBPath().$linkedParamId.".xml";
$paramsData->addParamToCopy($linkedParamId,$linkedParamPath);
$this->addLinkedLocalParams($linkedParamId,$paramsData);
}
}
/*
* @brief Add derived parameter
*/
private function addDerivedParam($param,$paramsData)
{
if (!isset($this->userParameterLoader))
$this->userParameterLoader = new IHMUserParamLoaderClass();
//get derived parameter info
$res = $this->userParameterLoader->getDerivedParameterFromName($param);
if (!$res["success"])
throw new Exception('Error to load derived parameter file : '.$res["message"]);
//parse expression
if (!isset($this->expressionParser))
$this->expressionParser = new IHMExpressionParserClass();
$expressionInfo = $this->expressionParser->parse($res["param"]["expression"]);
$paramId = $param;
//create a process param for the derived parameter
$this->addProcessParam($paramId, $expressionInfo["expression"],
$expressionInfo['params'], $res["param"]["timestep"],
0,$res["param"]["dateModif"],$paramsData);
return array("id" => $paramId, "indexes" => array(), "calib_infos" => array());
}
/*
* @brief Add uploaded parameter
*/
private function addUploadedParam($param,$paramsData)
{
throw new Exception('Uploaded parameter not implemented.');
}
}