vtkExodusIIReaderParser.h

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/*=========================================================================
 
  Program:   ParaView
  Module:    vtkExodusIIReaderParser.h
 
  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkExodusIIReaderParser_h
#define vtkExodusIIReaderParser_h
 
#include "vtkIOExodusModule.h" // For export macro
#include "vtkXMLParser.h"
#include "vtkSmartPointer.h"
 
#include <vtksys/ios/sstream>
#include <map>
#include <vector>
#include <set>
#include <string>
 
class vtkMutableDirectedGraph;
class vtkStringArray;
class vtkUnsignedCharArray;
 
class VTKIOEXODUS_EXPORT vtkExodusIIReaderParser : public vtkXMLParser
{
public:
  static vtkExodusIIReaderParser* New();
  vtkTypeMacro(vtkExodusIIReaderParser, vtkXMLParser);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  vtkGetObjectMacro(SIL, vtkMutableDirectedGraph);
 
  void Go(const char* filename);
 
  // Returns if the parser has some information about the block with given "id".
  // This is valid only after Go().
  bool HasInformationAboutBlock(int id)
    {
    return (this->BlockID_To_VertexID.find(id) != this->BlockID_To_VertexID.end());
    }
 
  std::string GetBlockName(int id);
 
 
  void GetBlockIds(std::set<int>& blockIdsSet)
    {
    std::map<int, vtkIdType>::iterator iter;
    for (iter = this->BlockID_To_VertexID.begin();
      iter != this->BlockID_To_VertexID.end();
      ++iter)
      {
      blockIdsSet.insert(iter->first);
      }
    }
//BTX
protected:
  vtkExodusIIReaderParser();
  ~vtkExodusIIReaderParser();
 
  virtual void StartElement( const char* tagName, const char** attrs);
  virtual void EndElement(const char* tagName);
  void FinishedParsing();
 
  const char* GetValue(const char* attr,const char** attrs)
    {
    int i;
    for (i=0;attrs[i];i+=2)
      {
      const char* name=strrchr(attrs[i],':');
      if (!name)
        {
        name=attrs[i];
        }
      else
        {
        name++;
        }
      if (strcmp(attr,name)==0)
        {
        return attrs[i+1];
        }
      }
    return NULL;
    }
 
  // Convenience methods to add vertices/edges to the SIL.
  vtkIdType AddVertexToSIL(const char* name);
  vtkIdType AddChildEdgeToSIL(vtkIdType src, vtkIdType dst);
  vtkIdType AddCrossEdgeToSIL(vtkIdType src, vtkIdType dst);
 
  vtkIdType GetPartVertex(const char* part_number_instance_string);
 
  // For each of the blocks, this maps the "id" attribute in the XML to the
  // vertex id for the block in the SIL.
  std::map<int, vtkIdType> BlockID_To_VertexID;
 
 
  // Maps block "id"s to material names.
  std::map<int, std::string> BlockID_To_MaterialName;
 
  // Maps material name to vertex id.
  // This will be build only if <material-list> is present in the XML.
  std::map<std::string, vtkIdType> MaterialName_To_VertexID;
 
  std::map<vtkIdType, std::string> PartVertexID_To_Descriptions;
 
  // These save the values read from <material-specification /> element present
  // withint the <part /> elements.
  // key: part vertex id
  // value: material name = (desp + spec)
  std::map<vtkIdType, std::string> MaterialSpecifications;
 
  // Maps the "{part-number} Instance: {part-instance}" key for the vertex id
  // for the part vertex in the Assemblies hierarchy.
  std::map<std::string, vtkIdType> Part_To_VertexID;
 
  // Maps a block-id to the "{part-number} Instance: {part-instance}" string.
  std::map<int, std::string> BlockID_To_Part;
 
  vtkMutableDirectedGraph* SIL;
  vtkSmartPointer<vtkStringArray> NamesArray;
  vtkSmartPointer<vtkUnsignedCharArray> CrossEdgesArray;
 
  std::string BlockPartNumberString;
 
  vtkIdType RootVertex;
  vtkIdType BlocksVertex;
  vtkIdType AssembliesVertex;
  vtkIdType MaterialsVertex;
  std::vector<vtkIdType> CurrentVertex;
 
  bool InBlocks;
  bool InMaterialAssignments;
 
private:
  vtkExodusIIReaderParser(const vtkExodusIIReaderParser&); // Not implemented
  void operator=(const vtkExodusIIReaderParser&); // Not implemented
//ETX
};
 
#endif
 
// VTK-HeaderTest-Exclude: vtkExodusIIReaderParser.h