-//=======================================================================
-namespace // Access to type of input and output of an algorithm
-//=======================================================================
-{
- struct AlgoData
- {
- int _dim;
- set<SMDSAbs_GeometryType> _inElemTypes; // acceptable types of input mesh element
- set<SMDSAbs_GeometryType> _outElemTypes; // produced types of mesh elements
-
- bool IsCompatible( const AlgoData& algo2 ) const
- {
- if ( _dim > algo2._dim ) return algo2.IsCompatible( *this );
- // algo2 is of highter dimension
- if ( _outElemTypes.empty() || algo2._inElemTypes.empty() )
- return false;
- bool compatible = true;
- set<SMDSAbs_GeometryType>::const_iterator myOutType = _outElemTypes.begin();
- for ( ; myOutType != _outElemTypes.end() && compatible; ++myOutType )
- compatible = algo2._inElemTypes.count( *myOutType );
- return compatible;
- }
- };
-
- //================================================================================
- /*!
- * \brief Return AlgoData of the algorithm
- */
- //================================================================================
-
- const AlgoData& getAlgoData( const SMESH_Algo* algo )
- {
- static map< string, AlgoData > theDataByName;
- if ( theDataByName.empty() )
- {
- // Read Plugin.xml files
- vector< string > xmlPaths = SMESH_Gen::GetPluginXMLPaths();
- LDOMParser xmlParser;
- for ( size_t iXML = 0; iXML < xmlPaths.size(); ++iXML )
- {
- bool error = xmlParser.parse( xmlPaths[iXML].c_str() );
- if ( error )
- {
- TCollection_AsciiString data;
- INFOS( xmlParser.GetError(data) );
- continue;
- }
- // <algorithm type="Regular_1D"
- // ...
- // input="EDGE"
- // output="QUAD,TRIA">
- //
- LDOM_Document xmlDoc = xmlParser.getDocument();
- LDOM_NodeList algoNodeList = xmlDoc.getElementsByTagName( "algorithm" );
- for ( int i = 0; i < algoNodeList.getLength(); ++i )
- {
- LDOM_Node algoNode = algoNodeList.item( i );
- LDOM_Element& algoElem = (LDOM_Element&) algoNode;
- TCollection_AsciiString algoType = algoElem.getAttribute("type");
- TCollection_AsciiString input = algoElem.getAttribute("input");
- TCollection_AsciiString output = algoElem.getAttribute("output");
- TCollection_AsciiString dim = algoElem.getAttribute("dim");
- if ( algoType.IsEmpty() ) continue;
- AlgoData & data = theDataByName[ algoType.ToCString() ];
- data._dim = dim.IntegerValue();
- for ( int isInput = 0; isInput < 2; ++isInput )
- {
- TCollection_AsciiString& typeStr = isInput ? input : output;
- set<SMDSAbs_GeometryType>& typeSet = isInput ? data._inElemTypes : data._outElemTypes;
- int beg = 1, end;
- while ( beg <= typeStr.Length() )
- {
- while ( beg < typeStr.Length() && !isalpha( typeStr.Value( beg ) ))
- ++beg;
- end = beg;
- while ( end < typeStr.Length() && isalpha( typeStr.Value( end + 1 ) ))
- ++end;
- if ( end > beg )
- {
- TCollection_AsciiString typeName = typeStr.SubString( beg, end );
- if ( typeName == "EDGE" ) typeSet.insert( SMDSGeom_EDGE );
- else if ( typeName == "TRIA" ) typeSet.insert( SMDSGeom_TRIANGLE );
- else if ( typeName == "QUAD" ) typeSet.insert( SMDSGeom_QUADRANGLE );
- }
- beg = end + 1;
- }
- }
- }
- }
- }
- return theDataByName[ algo->GetName() ];
- }
-}
-