include/shape/shapeFeatureFile.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: shapeFeatureFile.h,v $ $Revision: 1.17 $ $State: Exp $
*******************************************************************************/

#ifndef SHAPEFEATUREFILE_H
#define SHAPEFEATUREFILE_H

#include "shape/shapeDefines.h"
#include "shape/shapefile.h"
#include "shape/shapeVectorInit.h"
#include <vlutil/vlFilename.h>
#include "gdb/specification.h"
#include "gdb/specMgr.h"

class DtShapeReader;
class DtShapeVectorInitializer;
class DtGroup;

class DT_DLL_shape DtShapeFeatureFile : public DtShapefile
{

public:

   enum DtFeatureTypes
   {
      PointFeature,
      LinearFeature,
      ArealFeature

   };

   DtShapeFeatureFile(const DtShapeVectorInitializer* i);

   virtual ~DtShapeFeatureFile();

   virtual DtGroup* import(DtShapeReader* reader);

   virtual bool importFeatures(DtShapeVectorReader* reader);

protected:

   virtual bool initSpecification(int fccCode, DtSpecification& spec, 
      DtSpecificationID& specID, DtFeatureTypes featureType);

   virtual bool createNewSpecification(int fccCode, DtSpecification& spec, 
      DtSpecificationID& specID, DtFeatureTypes featureType);

   // to the fieldNamesRead parameter list supplied by the caller.
   virtual void readMappedFeatureAttributes(DtSpecification& spec, 
      DtSpecificationID& specID, int recordNumber, 
      const DtShapeVectorInitializer::DtShapeAttributeMapContainer& attributeMap,
      std::list<DtString>& fieldNamesRead);

   // Attempts to read the specified field.  If successful, adds it to the
   // specification using the attribute name supplied.
   // \return True if successful.
   virtual bool readSingleFeatureAttribute(DtSpecification& spec,
      int recordNumber, unsigned int attributeType, const DtString& fieldName,
      const DtString& attributeName);

   // Any field with a name included in the fieldsToExclude list will
   // not be added by this function.
   virtual void readAllFeatureAttributes(DtSpecification& spec, 
      DtSpecificationID& specID, int recordNumber,
      const std::list<DtString>& fieldsToExclude);

   // Uses myFilename and the shapeFilenameMapping file in myEntry to choose
   // an FCC code based on the filename.
   virtual int findFccCodeFromFilename();

   // Loads the shapeAttributeAliasMap file specified by the initializer.
   // Adds all entries to the specified attributeMap.
   // \return True if the file was found and loaded.
   virtual bool loadShapeAttributeAliasMap(DtShapeVectorInitializer::DtShapeAttributeMapContainer& attributeMap);
};

#endif