1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: ParametersPlugin_Parameter.cpp
4 // Created: 23 MArch 2015
7 #include "ParametersPlugin_Parameter.h"
8 #include <ParametersPlugin_PyInterp.h>
10 #include <ModelAPI_AttributeString.h>
11 #include <ModelAPI_ResultParameter.h>
12 #include <ModelAPI_AttributeDouble.h>
17 ParametersPlugin_Parameter::ParametersPlugin_Parameter()
19 myInterp = new ParametersPlugin_PyInterp();
20 myInterp->initialize();
23 ParametersPlugin_Parameter::~ParametersPlugin_Parameter()
29 void ParametersPlugin_Parameter::initAttributes()
31 data()->addAttribute(ParametersPlugin_Parameter::VARIABLE_ID(),
32 ModelAPI_AttributeString::typeId());
33 data()->addAttribute(ParametersPlugin_Parameter::EXPRESSION_ID(),
34 ModelAPI_AttributeString::typeId());
37 bool ParametersPlugin_Parameter::isInHistory()
42 void ParametersPlugin_Parameter::execute()
44 ResultParameterPtr aParam = document()->createParameter(data());
46 std::string anExpression = string(ParametersPlugin_Parameter::EXPRESSION_ID())->value();
47 if(anExpression.empty()) {
48 // clear error/result if the expression is empty
49 aParam->data()->string(ModelAPI_ResultParameter::STATE())->setValue("");
53 std::string outErrorMessage;
54 double aValue = evaluate(anExpression, outErrorMessage);
55 AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
56 aValueAttribute->setValue(aValue);
59 std::string aName = string(ParametersPlugin_Parameter::VARIABLE_ID())->value();
60 std::ostringstream sstream;
62 std::string aParamValue = sstream.str();
63 data()->setName(aName + " ("+ aParamValue + ")");
64 aParam->data()->setName(aName);
66 AttributeStringPtr aErrorAttr = aParam->data()->string(ModelAPI_ResultParameter::STATE());
67 std::string aStateMsg;
68 if (outErrorMessage.empty()) {
69 aStateMsg = "Result: " + aParamValue;
71 aStateMsg = "Error:\n" + outErrorMessage;
73 aErrorAttr->setValue(aStateMsg);
74 //if(!outErrorMessage.empty()) {
75 // data()->execState(ModelAPI_StateExecFailed);
79 double ParametersPlugin_Parameter::evaluate(const std::string& theExpression, std::string& theError)
81 std::list<std::string> anExprParams = myInterp->compile(theExpression);
82 // find expression's params in the model
83 std::list<std::string> aContext;
84 std::list<std::string>::iterator it = anExprParams.begin();
85 for ( ; it != anExprParams.end(); it++) {
86 std::string aParamName = *it;
87 ObjectPtr aParamObj = document()->objectByName(ModelAPI_ResultParameter::group(), aParamName);
88 ResultParameterPtr aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aParamObj);
89 if(!aParam.get()) continue;
90 AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
91 std::ostringstream sstream;
92 sstream << aValueAttribute->value();
93 std::string aParamValue = sstream.str();
94 aContext.push_back(aParamName + "=" + aParamValue);
96 myInterp->extendLocalContext(aContext);
97 return myInterp->evaluate(theExpression, theError);