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src/InputOutput/IHMImpl/Tools/IHMUserParamManagerClass.php 18 KB
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<?php

/**
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 * @class IHMUserParamManagerClass
 * @brief Manager for IHM user parameter properties file
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 * @details
 */
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class IHMUserParamManagerClass
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{
	protected $userParamsList = null;
	
	//derived parameter in manager file
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	private static $mgrDerivedNode                 = 'paramList';
	private static $mgrDerivedParamNode            = 'param';
	private static $mgrDerivedParamIdAtt           = 'xml:id';
	private static $mgrDerivedParamNameAtt         = 'name';
	private static $mgrDerivedParamExpressionAtt   = 'buildchain';
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	//additional info for derived parameter
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	private static $infoDerivedUnitsNode          = 'units';
	private static $infoDerivedYTitleNode         = 'ytitle';
	private static $infoDerivedDescriptionNode    = 'description';
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	private static $infoDerivedStatusNode   	  = 'status';
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	private static $infoDerivedParsedExpNode      = 'parsedExp';
	private static $infoDerivedParsedExpValAtt    = 'exp';
	private static $infoDerivedParsedExpHashAtt   = 'hash';
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	private static $infoDerivedParsedExpParamNode    = 'param';
	private static $infoDerivedParsedExpParamIdAtt = "paramid";
	private static $infoDerivedParsedExpParamArgNode = 'arg';
	private static $infoDerivedParsedExpParamArgNameAtt = 'name';
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	private static $infoDerivedSamplingModeNode   = 'sampling_mode';
	private static $infoDerivedTimeStepNode       = 'timestep';
	private static $infoDerivedRefParamNode       = 'reference_param';
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	private static $infoDerivedUndefined       = 'undefined';
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	//uploaded parameters in manager file
	private static $mgrUploadedNode           = 'mydataList';
	private static $mgrUploadedParamNode      = 'mydata';
	private static $mgrUploadedParamIdAtt     = 'xml:id';
	private static $mgrUploadedParamNameAtt   = 'name';
	
	//additional info for uploaded parameter
	private static $infoUploadedMinSamplingNode = 'minsampling';
	private static $infoUploadedMaxSamplingNode = 'maxsampling';
	private static $infoUploadedRealVarNode     = 'realvar';
	private static $infoUploadedTypeNode        = 'type';
	private static $infoUploadedSizeNode        = 'size';
	private static $infoUploadedVIIdNode        = 'vi';
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        private static $infoUploadedFillValNode     = 'fillvalue';
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	private static $infoUploadedPlotTypeNode    = 'plottype';
	private static $infoUploadedTableDefNode    = 'tableDef';
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	private static $infoUploadedStatusNode   	= 'status';
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	private static $infoUploadedUnitsNode       = 'units';
	private static $infoUploadedYTitleNode      = 'ytitle';
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	/*
	 * @brief Constructor
	*/
	function __construct()
	{
	}
	
	/*
	 * @brief Get derived parameter info from name ("ws_***")
	 */
	public function getDerivedParameterFromName($paramName)
	{
		if (!preg_match("#^ws_#",$paramName))
			return array("success" => false, "message" => "Bad derived parameter name");
		
		//extract real parameter name
		$realName = substr($paramName , 3);
		
		//try to load user parameters definition if not already done
		if (!isset($this->userParamsList))
			$this->userParamsList = $this->loadUserParamManagerFile();
		
		if (!$this->userParamsList["success"])
			return $this->userParamsList["success"];
		
		if (isset($this->userParamsList["params"]) && isset($this->userParamsList["params"]["derived"]))
		{
			//find the parameter info
			foreach($this->userParamsList["params"]["derived"] as $paramInfo)
			{
				if ($paramInfo["name"] == $realName)
					return array("success" => true, "param" => $paramInfo);
			}
		}
		
		return array("success" => false, "message" => "Cannot find derived parameter");
	}
	
	/*
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	 * @brief Get derived parameter name from id
	*/
	public function getDerivedParameterNameFromId($paramId)
	{
		if (!preg_match("#^ws_#",$paramId))
			return array("success" => false, "message" => "Bad derived parameter id");
		
		//try to load user parameters definition if not already done
		if (!isset($this->userParamsList))
			$this->userParamsList = $this->loadUserParamManagerFile();
		
		if (!$this->userParamsList["success"])
			return $this->userParamsList["success"];
		
		if (isset($this->userParamsList["params"]) && isset($this->userParamsList["params"]["derived"]))
		{
			//find the parameter name
			foreach($this->userParamsList["params"]["derived"] as $paramInfo)
			{
				if ($paramInfo["id"] == $paramId)
					return array("success" => true, "name" => $paramInfo["name"]);
			}
		}

		return array("success" => false, "message" => "Cannot find derived parameter");
	}
	
	/*
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	 * @brief Get uploaded parameter info from name ("wsd_***")
	*/
	public function getUploadedParameterFromName($paramName)
	{
		if (!preg_match("#^wsd_#",$paramName))
			return array("success" => false, "message" => "Bad uploaded parameter name");
	
		//extract real parameter name
		$realName = substr($paramName , 4);
	
		//try to load user parameters definition if not already done
		if (!isset($this->userParamsList))
			$this->userParamsList = $this->loadUserParamManagerFile();
	
		if (!$this->userParamsList["success"])
			return $this->userParamsList["success"];
	
		if (isset($this->userParamsList["params"]) && isset($this->userParamsList["params"]["uploaded"]))
		{
			//find the parameter info
			foreach($this->userParamsList["params"]["uploaded"] as $paramInfo)
			{
				if ($paramInfo["name"] == $realName)
					return array("success" => true, "param" => $paramInfo);
			}
		}
	
		return array("success" => false, "message" => "Cannot find uploaded parameter");
	}
	
	/*
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	 * @brief Get uploaded parameter name from id
	*/
	public function getUploadedParameterNameFromId($paramId)
	{
		if (!preg_match("#^wsd_#",$paramId))
			return array("success" => false, "message" => "Bad uploaded parameter id");
	
		//try to load user parameters definition if not already done
		if (!isset($this->userParamsList))
			$this->userParamsList = $this->loadUserParamManagerFile();
	
		if (!$this->userParamsList["success"])
			return $this->userParamsList["success"];
	
		if (isset($this->userParamsList["params"]) && isset($this->userParamsList["params"]["uploaded"]))
		{
			//find the parameter info
			foreach($this->userParamsList["params"]["uploaded"] as $paramInfo)
			{
				if ($paramInfo["id"] == $paramId)
					return array("success" => true, "name" => $paramInfo["name"]);
			}
		}
	
		return array("success" => false, "message" => "Cannot find uploaded parameter");
	}
	
	/*
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	 * @brief Load derived parameter manager file
	 */
	private function loadUserParamManagerFile()
	{
		//load xml file
		$dom = new DomDocument("1.0");
		if (!$dom->load(IHMConfigClass::getUserParamManagerFilePath()))
			return array("success" => false, "message" => "Cannot load user parameter manager file");
		
		$userParams = array();
		
		//get derived parameter node
		$derivedNodes = $dom->getElementsByTagName(self::$mgrDerivedNode);
				
		$derivedParams = array();
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		if ($derivedNodes->length > 0)
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		{	
			$derivedParamNodes = $derivedNodes->item(0)->getElementsByTagName(self::$mgrDerivedParamNode);
			foreach ($derivedParamNodes as $derivedParamNode)
			{	
				//id
				$paramId         = $derivedParamNode->getAttribute(self::$mgrDerivedParamIdAtt);
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				//modification date
				$dateModif       = filemtime(IHMConfigClass::getUserDerivedParamFilePath($paramId));
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				//name
				$paramName       = $derivedParamNode->getAttribute(self::$mgrDerivedParamNameAtt);
				
				//expression
				$paramExpression = $derivedParamNode->getAttribute(self::$mgrDerivedParamExpressionAtt);
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				array_push($derivedParams,array(
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					"id"              => $paramId,
					"name"            => $paramName,
					"expression"      => $paramExpression,
					"info"            => $this->loadDerivedParameterInfo($paramId, $paramExpression),
					"dateModif"       => $dateModif
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				));
			}
		}
		
		$userParams["derived"] = $derivedParams;
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		//get uploaded parameter node
		$uploadedNodes = $dom->getElementsByTagName(self::$mgrUploadedNode);
		
		$uploadedParams = array();
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		if ($uploadedNodes->length > 0)
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		{
			$uploadedParamNodes = $uploadedNodes->item(0)->getElementsByTagName(self::$mgrUploadedParamNode);
			foreach ($uploadedParamNodes as $uploadedParamNode)
			{
				//id
				$paramId         = $uploadedParamNode->getAttribute(self::$mgrUploadedParamIdAtt);
		
				//modification date
				$dateModif       = filemtime(IHMConfigClass::getUserUploadedParamFilePath($paramId));
				
				//name
				$paramName       = $uploadedParamNode->getAttribute(self::$mgrUploadedParamNameAtt);
		
				array_push($uploadedParams,array(
				"id"         => $paramId,
				"name"       => $paramName,
				"info"       => $this->loadUploadedParameterInfo($paramId),
				"dateModif"  => $dateModif
				));
			}
		}
		
		$userParams["uploaded"] = $uploadedParams;
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		return array("success" => true, "params" => $userParams);
	}
	
	/*
	 * @brief Load additionnal derived parameter info from paramId
	*/
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	private function loadDerivedParameterInfo($paramId, $paramExpression=NULL)
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	{
		//get full path
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		$path = IHMConfigClass::getUserDerivedParamFilePath($paramId);
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		$result = array(
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				"units"            => "",
				"yTitle"           => "",
				"description"      => "",
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				"status"		   => "",
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				"parsedExpression" => NULL,
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				"sampling_mode"    => "timestep",
				"timestep"         => 0,
				"reference_param"  => "",
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		);
		
		if (!file_exists($path))
			return $result;
	
		//load xml file
		$dom = new DomDocument("1.0");
		if (!$dom->load($path))
			return $result;
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		//sampling mode
		$samplingModeNodes = $dom->getElementsByTagName(self::$infoDerivedSamplingModeNode);
		if ($samplingModeNodes->length > 0) {
			$result["sampling_mode"] = $samplingModeNodes->item(0)->nodeValue;
		}

		switch ($result["sampling_mode"]) {
			case 'refparam':
				//reference param
				$refParamNodes = $dom->getElementsByTagName(self::$infoDerivedRefParamNode);
				if ($refParamNodes->length > 0) {
					$result["reference_param"] = $refParamNodes->item(0)->nodeValue;
				}
				break;
			default:
				$result["sampling_mode"] = 'timestep';
				//time step
				$timestepNodes = $dom->getElementsByTagName(self::$infoDerivedTimeStepNode);
				if ($timestepNodes->length > 0) {
					$result["timestep"] = $timestepNodes->item(0)->nodeValue;
				}
		}
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		//get parameter units
		$unitsNodes = $dom->getElementsByTagName(self::$infoDerivedUnitsNode);
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		if ($unitsNodes->length > 0) {
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			$result["units"] = $unitsNodes->item(0)->nodeValue;
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			if ($result["units"] == self::$infoDerivedUndefined) {
				$result["units"] = "";
			}
		}

		//get parameter y title
		$yTitleNodes = $dom->getElementsByTagName(self::$infoDerivedYTitleNode);
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		if ($yTitleNodes->length > 0) {
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			$result["yTitle"] = $yTitleNodes->item(0)->nodeValue;
			if ($result["yTitle"] == self::$infoDerivedUndefined) {
				$result["yTitle"] = "";
			}
		}
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		//get parameter description
		$descNodes = $dom->getElementsByTagName(self::$infoDerivedDescriptionNode);
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		if ($descNodes->length > 0)
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			$result["description"] = $descNodes->item(0)->nodeValue;
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		//get parameter status
		$statusNodes = $dom->getElementsByTagName(self::$infoDerivedStatusNode);
		if ($statusNodes->length > 0)
			$result["status"] = $statusNodes->item(0)->nodeValue;
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		//get parsed expression if exists
		$parsedExpNodes = $dom->getElementsByTagName(self::$infoDerivedParsedExpNode);
		if ($parsedExpNodes->length > 0) {
			$parsedExpNode    = $parsedExpNodes->item(0);
			$parsedExpVal     = $parsedExpNode->getAttribute(self::$infoDerivedParsedExpValAtt);
			$parsedExpHash    = $parsedExpNode->getAttribute(self::$infoDerivedParsedExpHashAtt);
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			$parsedExpParamNodes = $parsedExpNode->getElementsByTagName(self::$infoDerivedParsedExpParamNode);
			if (!empty($parsedExpVal) && !empty($parsedExpParams) && !empty($parsedExpParamNodes) && (md5($paramExpression) == $parsedExpHash)) {
				$error = FALSE;
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				$params = array();
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				foreach ($parsedExpParamNodes as $parsedExpParamNode) {
					$parsedParamId = $parsedExpParamNode->getAttribute(self::$infoDerivedParsedExpParamIdAtt);
					if (empty($parsedParamId)) {
						$error = TRUE;
						break;
					}
					$param_to_add = array(
						'paramid' => $parsedParamId,
					);
					$parsedExpParamArgNodes = $parsedExpParamNode->getElementsByTagName(self::$infoDerivedParsedExpParamArgNode);
					if (!empty($parsedExpParamArgNodes)) {
						$param_to_add['template_args'] = array();
						foreach ($parsedExpParamArgNodes as $parsedExpParamArgNode) {
							$attName = $parsedExpParamArgNode->getAttribute(self::$infoDerivedParsedExpParamArgNameAtt);
							if (empty($attName)) {
								$error = TRUE;
								break;
							}
							$param_to_add['template_args'][$attName] = $parsedExpParamArgNode->nodeValue;
						}
						if ($error) {
							break;
						}
					}
					$params[] = $param_to_add;
				}
				if (!$error) {
					$result['parsedExpression'] = array(
						"expression" => $parsedExpVal,
						"params"     => $params,
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					);
				}
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			}
		}
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		return $result;
	}
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	/*
	 * @brief Load additionnal uploaded parameter info from paramId
	*/
	private function loadUploadedParameterInfo($paramId)
	{
		//get full path
		$path = IHMConfigClass::getUserUploadedParamFilePath($paramId);
	
		$result = array();
		
		if (!file_exists($path))
			return $result;
		
		//load xml file
		$dom = new DomDocument("1.0");
		if (!$dom->load($path))
			return $result;
	
		//get parameter min sampling
		$minSamplingNodes = $dom->getElementsByTagName(self::$infoUploadedMinSamplingNode);
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		if ($minSamplingNodes->length > 0)
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			$result["minSampling"] = $minSamplingNodes->item(0)->nodeValue;
		
		//get parameter max sampling
		$maxSamplingNodes = $dom->getElementsByTagName(self::$infoUploadedMaxSamplingNode);
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		if ($maxSamplingNodes->length > 0)
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			$result["maxSampling"] = $maxSamplingNodes->item(0)->nodeValue;
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		else
			$result["maxSampling"] = $result["minSampling"];
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		//get parameter real var
		$realVarNodes = $dom->getElementsByTagName(self::$infoUploadedRealVarNode);
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		if ($realVarNodes->length > 0)
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			$result["realVar"] = $realVarNodes->item(0)->nodeValue;
		
		//get parameter type
		$typeNodes = $dom->getElementsByTagName(self::$infoUploadedTypeNode);
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		if ($typeNodes->length > 0)
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			$result["type"] = $typeNodes->item(0)->nodeValue;
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		//get parameter status
		$statusNodes = $dom->getElementsByTagName(self::$infoUploadedStatusNode);
		if ($statusNodes->length > 0)
			$result["status"] = $statusNodes->item(0)->nodeValue;
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		//get parameter size
		$sizeNodes = $dom->getElementsByTagName(self::$infoUploadedSizeNode);
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		if ($sizeNodes->length > 0)
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			$result["size"] = $sizeNodes->item(0)->nodeValue;
		
		//get parameter VirtualInstrument ID
		$viIdNodes = $dom->getElementsByTagName(self::$infoUploadedVIIdNode);
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		if ($viIdNodes->length > 0)
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			$result["viId"] = $viIdNodes->item(0)->nodeValue;
		
		//get parameter plot type
		$plotTypeNodes = $dom->getElementsByTagName(self::$infoUploadedPlotTypeNode);
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		if ($plotTypeNodes->length > 0)
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			$result["plotType"] = $plotTypeNodes->item(0)->nodeValue;
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                //get parameter fil value
                $result["fillValue"] = NULL;
                $fillValueNodes = $dom->getElementsByTagName(self::$infoUploadedFillValNode);
                if (($fillValueNodes->length > 0) && ($fillValueNodes->item(0)->nodeValue != ''))
                        $result["fillValue"] = $fillValueNodes->item(0)->nodeValue;
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		//get parameter y units
		$unitsNodes = $dom->getElementsByTagName(self::$infoUploadedUnitsNode);
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		if ($unitsNodes->length > 0)
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			$result["units"] = $unitsNodes->item(0)->nodeValue;
		
		//get parameter y title
		$yTitleNodes = $dom->getElementsByTagName(self::$infoUploadedYTitleNode);
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		if ($yTitleNodes->length > 0)
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			$result["yTitle"] = $yTitleNodes->item(0)->nodeValue;
		
		//get table definition
		$tableDefNodes = $dom->getElementsByTagName(self::$infoUploadedTableDefNode);
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		if ($tableDefNodes->length > 0)
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		{
			$tableDefNode = $tableDefNodes->item(0);
			$tableDefType = $tableDefNode->getAttribute('tableDefType');
			$channelsDefType = $tableDefNode->getAttribute('channelsDefType');
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			$tableName = $tableDefNode->getAttribute('tableName');
			$tableUnits = $tableDefNode->getAttribute('tableUnits');
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			$tableData = array();
			foreach ($tableDefNode->childNodes as $tableDataNode)
			{
				if ($tableDataNode->nodeType != XML_ELEMENT_NODE)
					continue;
		    	$tableData[$tableDataNode->tagName] = $tableDataNode->nodeValue;
			}
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			$result["tableDef"] = array('tableDefType' => $tableDefType, 'channelsDefType' => $channelsDefType, 'tableName' => $tableName, 'tableUnits' => $tableUnits, 'data' => $tableData);
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		}
		
		return $result;
	}
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	public function saveDerivedParameterParsedExpression($paramId, $expression, $hash, $params) {
		//get full path
		$path = IHMConfigClass::getUserDerivedParamFilePath($paramId);

		if (!file_exists($path))
                        return FALSE;

                //load xml file
                $dom = new DomDocument("1.0");
                if (!$dom->load($path))
                        return FALSE;
		$modifTime = filemtime($path);

		$parsedExpNodes = $dom->getElementsByTagName(self::$infoDerivedParsedExpNode);
                if ($parsedExpNodes->length == 0) {
			//create node
			$parsedExpNode = $dom->createElement(self::$infoDerivedParsedExpNode);
			$dom->documentElement->appendChild($parsedExpNode);
		}
		else {
			$parsedExpNode = $parsedExpNodes->item(0);
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			while ($parsedExpNode->hasChildNodes()) {
				$parsedExpNode->removeChild($parsedExpNode->firstChild);
			}
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		}
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		$parsedExpNode->setAttribute(self::$infoDerivedParsedExpValAtt, $expression);
		$parsedExpNode->setAttribute(self::$infoDerivedParsedExpHashAtt, $hash);
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		foreach ($params as $param) {
			$paramNode = $dom->createElement(self::$infoDerivedParsedExpParamNode);
			$paramNode->setAttribute(self::$infoDerivedParsedExpParamIdAtt, $param['paramid']);
			$parsedExpNode->appendChild($paramNode);
			if (!empty($param['template_args'])) {
				foreach ($param['template_args'] as $arg_name => $arg_value) {
					$argNode = $dom->createElement(self::$infoDerivedParsedExpParamArgNode);
					$argNode->setAttribute(self::$infoDerivedParsedExpParamArgNameAtt, $arg_name);
					$argNode->nodeValue = $arg_value;
					$paramNode->appendChild($argNode);
				}
			}
		}
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		$dom->save($path);

		//Restore file modification time to prevent librairie re-compilation
		touch($path, $modifTime);
		return TRUE;
	}
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}