add support for import export string connector

src/OMSimulatorLib/Connector.cpp

@@ -150,6 +150,8 @@ oms::Connector* oms::Connector::NewConnector(const pugi::xml_node& node, const s
     type = oms_signal_type_integer;
   else if (typeString == "Boolean")
     type = oms_signal_type_boolean;
+  else if (typeString == "String")
+    type = oms_signal_type_string;
   else if (typeString == "Enumeration")
     type = oms_signal_type_enum;
   // TODO handle "Binary" type for FMI-2.1 see specification

testsuite/simulation/str_hello_world.lua

@@ -30,6 +30,9 @@ print("info: a: " .. oms_getString("model.root.fmu.a"))
 print("info: b: " .. oms_getString("model.root.fmu.b"))
 print("info: c: " .. oms_getString("model.root.fmu.c"))
 
+src = oms_exportSnapshot("model")
+print(src)
+
 oms_terminate("model")
 oms_delete("model")
 
@@ -42,4 +45,98 @@ oms_delete("model")
 -- info: a: Hello
 -- info: b: OMSimulator
 -- info: c: Hello OMSimulator!
+-- <?xml version="1.0"?>
+-- <oms:snapshot
+--   xmlns:oms="https://raw.githubusercontent.com/OpenModelica/OMSimulator/master/schema/oms.xsd"
+--   partial="false">
+--   <oms:file
+--     name="SystemStructure.ssd">
+--     <ssd:SystemStructureDescription
+--       xmlns:ssc="http://ssp-standard.org/SSP1/SystemStructureCommon"
+--       xmlns:ssd="http://ssp-standard.org/SSP1/SystemStructureDescription"
+--       xmlns:ssv="http://ssp-standard.org/SSP1/SystemStructureParameterValues"
+--       xmlns:ssm="http://ssp-standard.org/SSP1/SystemStructureParameterMapping"
+--       xmlns:ssb="http://ssp-standard.org/SSP1/SystemStructureSignalDictionary"
+--       xmlns:oms="https://raw.githubusercontent.com/OpenModelica/OMSimulator/master/schema/oms.xsd"
+--       name="model"
+--       version="1.0">
+--       <ssd:System
+--         name="root">
+--         <ssd:Elements>
+--           <ssd:Component
+--             name="fmu"
+--             type="application/x-fmu-sharedlibrary"
+--             source="resources/0001_fmu.fmu">
+--             <ssd:Connectors>
+--               <ssd:Connector
+--                 name="a"
+--                 kind="parameter">
+--                 <ssc:String />
+--               </ssd:Connector>
+--               <ssd:Connector
+--                 name="b"
+--                 kind="parameter">
+--                 <ssc:String />
+--               </ssd:Connector>
+--               <ssd:Connector
+--                 name="c"
+--                 kind="calculatedParameter">
+--                 <ssc:String />
+--               </ssd:Connector>
+--             </ssd:Connectors>
+--           </ssd:Component>
+--         </ssd:Elements>
+--         <ssd:Annotations>
+--           <ssc:Annotation
+--             type="org.openmodelica">
+--             <oms:Annotations>
+--               <oms:SimulationInformation>
+--                 <oms:FixedStepMaster
+--                   description="oms-ma"
+--                   stepSize="0.001000"
+--                   absoluteTolerance="0.000100"
+--                   relativeTolerance="0.000100" />
+--               </oms:SimulationInformation>
+--             </oms:Annotations>
+--           </ssc:Annotation>
+--         </ssd:Annotations>
+--       </ssd:System>
+--       <ssd:DefaultExperiment
+--         startTime="0.000000"
+--         stopTime="1.000000">
+--         <ssd:Annotations>
+--           <ssc:Annotation
+--             type="org.openmodelica">
+--             <oms:Annotations>
+--               <oms:SimulationInformation
+--                 resultFile=""
+--                 loggingInterval="0.000000"
+--                 bufferSize="1"
+--                 signalFilter="resources/signalFilter.xml" />
+--             </oms:Annotations>
+--           </ssc:Annotation>
+--         </ssd:Annotations>
+--       </ssd:DefaultExperiment>
+--     </ssd:SystemStructureDescription>
+--   </oms:file>
+--   <oms:file
+--     name="resources/signalFilter.xml">
+--     <oms:SignalFilter
+--       version="1.0">
+--       <oms:Variable
+--         name="model.root.fmu.a"
+--         type="String"
+--         kind="parameter" />
+--       <oms:Variable
+--         name="model.root.fmu.b"
+--         type="String"
+--         kind="parameter" />
+--       <oms:Variable
+--         name="model.root.fmu.c"
+--         type="String"
+--         kind="calculatedParameter" />
+--     </oms:SignalFilter>
+--   </oms:file>
+-- </oms:snapshot>
+--
 -- endResult