#ifndef LAZYFILEREADER_H

#define LAZYFILEREADER_H

#include <vector>

#include <string>

#include <cstdlib>

#include "sc_export.h"

// PART 21

#include "lazyP21DataSectionReader.h"

#include "p21HeaderSectionReader.h"

#include "headerSectionReader.h"

/* // PART 28

* #include "lazyP28DataSectionReader.h"

* #include "p28HeaderSectionReader.h"

*/

class lazyInstMgr;

class Registry;

class headerSectionReader;

///read an exchange file of any supported type (currently only p21)

///for use only from within lazyInstMgr

class SC_LAZYFILE_EXPORT lazyFileReader {

protected:

#ifdef _MSC_VER

#pragma warning( push )

#pragma warning( disable: 4251 )

#endif

std::string _fileName;

lazyInstMgr * _parent;

headerSectionReader * _header;

std::ifstream _file;

#ifdef _MSC_VER

#pragma warning( pop )

#endif

fileTypeEnum _fileType;

fileID _fileID;

void initP21();

///TODO detect file type; for now, assume all are Part 21

void detectType() {

_fileType = Part21;

}

public:

fileID ID() const {

return _fileID;

}

instancesLoaded_t * getHeaderInstances();

lazyFileReader( std::string fname, lazyInstMgr * i, fileID fid );

~lazyFileReader();

fileTypeEnum type() const {

return _fileType;

}

lazyInstMgr * getInstMgr() const {

return _parent;

}

bool needKW( const char * kw );

};

#endif //LAZYFILEREADER_H