prepares reading of physical attributes in gmsh format 2.2

src/mesh/GmshReader.cpp

@@ -145,6 +145,8 @@ GmshReader::GmshReader(const std::string& filename)
   __keywordList["$EndNodes"]         = ENDNODES;
   __keywordList["$Elements"]         = ELEMENTS;
   __keywordList["$EndElements"]      = ENDELEMENTS;
+  __keywordList["$PhysicalNames"]    = PHYSICALNAMES;
+  __keywordList["$EndPhysicalNames"] = ENDPHYSICALNAMES;
 
   __numberOfPrimitiveNodes.resize(16);
   __numberOfPrimitiveNodes[ 0] =  2; // edge
@@ -489,6 +491,14 @@ GmshReader::__readElements2_2()
   }
 }
 
+void
+GmshReader::
+__readPhysicalNames2_2()
+{
+  std::cerr << __FILE__ << ':' << __LINE__ << ": NIY\n";
+  std::exit(0);
+}
+
 void
 GmshReader::__proceedData()
 {
@@ -869,16 +879,11 @@ GmshReader::__nextKeyword()
 {
   GmshReader::Keyword kw;
 
-  std::cerr << "warning: " << rang::fg::red << __PRETTY_FUNCTION__ << rang::fg::reset << " keyword validity not checked!\n";
-  int retval = 1;
   std::string aKeyword;
   m_fin >> aKeyword;
-  if (retval < 0)  {
+  if (not m_fin) {
     kw.second = EndOfFile;
     return kw;
-  } else if (retval == 0) {
-    kw.second = Unknown;
-    return kw;
   }
 
   KeywordList::iterator i = __keywordList.find(aKeyword.c_str());
@@ -889,10 +894,10 @@ GmshReader::__nextKeyword()
     return kw;
   }
 
-  // throw ErrorHandler(__FILE__,__LINE__,
-  // 		     "reading file '"+m_filename
-  // 		     +"': unknown keyword '"+aKeyword+"'",
-  // 		     ErrorHandler::normal);
+  throw ErrorHandler(__FILE__,__LINE__,
+  		     "reading file '"+m_filename
+  		     +"': unknown keyword '"+aKeyword+"'",
+  		     ErrorHandler::normal);
 
   kw.first = aKeyword;
   kw.second = Unknown;
@@ -903,41 +908,51 @@ void GmshReader::
 __readGmshFormat2_2()
 {
   std::cout << "- Reading Gmsh format 2.2\n";
-  GmshReader::Keyword kw;
+  GmshReader::Keyword kw = std::make_pair("", Unknown);
+  while (kw.second != EndOfFile) {
     kw = this->__nextKeyword();
-  if (kw.second != NODES) {
-    // throw ErrorHandler(__FILE__,__LINE__,
-    // 		       "reading file '"+m_filename
-    // 		       +"': expecting $Nodes, '"+kw.first+"' was found",
-    // 		       ErrorHandler::normal);
-  }
-
+    switch (kw.second) {
+    case NODES: {
       this->__readVertices();
-
-  kw = this->__nextKeyword();
-  if (kw.second != ENDNODES) {
-    // throw ErrorHandler(__FILE__,__LINE__,
-    // 		       "reading file '"+m_filename
-    // 		       +"': expecting $EndNodes, '"+kw.first+"' was found",
-    // 		       ErrorHandler::normal);
+      if (this->__nextKeyword().second != ENDNODES) {
+	throw ErrorHandler(__FILE__,__LINE__,
+			   "reading file '"+m_filename
+			   +"': expecting $EndNodes, '"+kw.first+"' was found",
+			   ErrorHandler::normal);
       }
-
-  // Getting elements list
-  kw = this->__nextKeyword();
-  if (kw.second != ELEMENTS) {
-    // throw ErrorHandler(__FILE__,__LINE__,
-    // 		       "reading file '"+m_filename
-    // 		       +"': expecting $Elements, '"+kw.first+"' was found",
-    // 		       ErrorHandler::normal);
+      break;
     }
-
+    case ELEMENTS: {
       this->__readElements2_2();
-
       kw = this->__nextKeyword();
       if (kw.second != ENDELEMENTS) {
-    // throw ErrorHandler(__FILE__,__LINE__,
-    // 		       "reading file '"+m_filename
-    // 		       +"': expecting $EndElements, '"+kw.first+"' was found",
-    // 		       ErrorHandler::normal);
+	throw ErrorHandler(__FILE__,__LINE__,
+			   "reading file '"+m_filename
+			   +"': expecting $EndElements, '"+kw.first+"' was found",
+			   ErrorHandler::normal);
+      }
+      break;
+    }
+    case PHYSICALNAMES: {
+      this->__readPhysicalNames2_2();
+      if (this->__nextKeyword().second != ENDPHYSICALNAMES) {
+	throw ErrorHandler(__FILE__,__LINE__,
+			   "reading file '"+m_filename
+			   +"': expecting $EndNodes, '"+kw.first+"' was found",
+			   ErrorHandler::normal);
+      }
+      break;
+    }
+
+    case EndOfFile: {
+      break;
+    }
+    default: {
+      throw ErrorHandler(__FILE__,__LINE__,
+			 "reading file '"+m_filename
+			 +"': unexpected '"+kw.first+"'",
+			 ErrorHandler::normal);
+    }
+    }
   }
 }

src/mesh/GmshReader.hpp

@@ -126,6 +126,8 @@ private:
     ENDNODES,
     ELEMENTS,
     ENDELEMENTS,
+    PHYSICALNAMES,
+    ENDPHYSICALNAMES,
 
     Unknown,
     EndOfFile
@@ -176,16 +178,11 @@ private:
    */
   void __readElements2_2();
 
-  // /** 
-  //  * Common interface for writing references
-  //  * 
-  //  * @param references the set of computed references
-  //  * @param objectName the type of refernces
-  //  */
-  // void __writeReferences(const std::set<size_t>& references,
-  // 			 std::string objectName);
-
-
+  /**
+   * Reads physical names
+   * 
+   */
+  void __readPhysicalNames2_2();
 
   Connectivity2D* m_connectivity;
   Mesh<Connectivity2D>* m_mesh;