// Codec.cpp

//

// Example code to show how to load a UniFEP codec (old procedure)

//

// Otfried Cheong, 2000

//



#include <e32std.h>

#include <f32file.h>

#include <e32uid.h>



#include "ufcodec.h"



class CShiftJisConverter : public CBase {

public:

  static CShiftJisConverter *NewL(RFs &aFs);

  ~CShiftJisConverter();

  

  CUniEncoder *Codec() const { return iCodec; }

  

private:

  void ConstructL(RFs &aFs);

  CUniEncoder *iCodec;

  RLibrary iDll;

};



CShiftJisConverter::~CShiftJisConverter()

{

  delete iCodec;

  iDll.Close();

}



CShiftJisConverter *CShiftJisConverter::NewL(RFs &aFs)

{

  CShiftJisConverter *This = new (ELeave) CShiftJisConverter;

  This->ConstructL(aFs);

  return This;

}



void CShiftJisConverter::ConstructL(RFs &aFs)

{

  TUidType aSjisUidType(KDynamicLibraryUid, KUniEncoderUid, 

			KEncodingUidShiftJIS);



  TFileName aEncodingDir = _L("!:\\System\\UniFEP\\Encoding\\*.dll");

  iCodec = 0;



  TInt drive = 'z';

  do {

    drive--;

    if (drive < 'a') drive = 'z';

    aEncodingDir[0] = TText8(drive);



    CDir *fileList = 0;

    if (aFs.GetDir(aEncodingDir, aSjisUidType,

		   ESortByName, fileList) == KErrNone

	&& fileList->Count() > 0) {

      TParse parse;

      parse.Set((*fileList)[0].iName, &aEncodingDir, NULL);

      iDll.Load(parse.FullName());

      TLibraryFunction entry = iDll.Lookup(1);

      iCodec = (CUniEncoder *) ((*entry)());

      if (!iCodec) {

        iDll.Close();

        User::Leave(KErrGeneral);

      }

    }

    delete fileList;

  } while (iCodec == 0 && drive != 'z');



  if (!iCodec)

    User::Leave(KErrNotFound);

}