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[#57] Support for KryoFlux and associated images (Part 7: Support for…
… KryoFlux Stream files, read-only at the moment)
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,116 @@ | ||
| #include "stdafx.h" | ||
| #include "CapsBase.h" | ||
| #include "KryoFluxBase.h" | ||
| #include "KryoFluxStreams.h" | ||
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| static LPCTSTR Recognize(PTCHAR){ | ||
| static const char SingleDeviceName[]=_T("KryoFlux Stream files\0"); | ||
| return SingleDeviceName; | ||
| } | ||
| static PImage Instantiate(LPCTSTR){ | ||
| return new CKryoFluxStreams; | ||
| } | ||
| const CImage::TProperties CKryoFluxStreams::Properties={ | ||
| MAKE_IMAGE_ID('C','A','P','S','_','K','F','S'), // a unique identifier | ||
| Recognize, // list of recognized device names | ||
| Instantiate, // instantiation function | ||
| _T("*.0.raw") IMAGE_FORMAT_SEPARATOR _T("*.1.raw"), // filter | ||
| TMedium::FLOPPY_ANY, // supported Media | ||
| 1,2*6144 // Sector supported min and max length | ||
| }; | ||
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| CKryoFluxStreams::CKryoFluxStreams() | ||
| // ctor | ||
| // - base | ||
| : CKryoFluxBase( &Properties, Recognize(nullptr) ) { | ||
| // - initialization | ||
| *nameBase='\0'; | ||
| } | ||
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| #define TRACK_NAME_PATTERN _T("%02d.%c.raw") | ||
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| BOOL CKryoFluxStreams::OnOpenDocument(LPCTSTR lpszPathName){ | ||
| // True <=> Image opened successfully, otherwise False | ||
| // - base | ||
| if (!__super::OnOpenDocument(lpszPathName) | ||
| && | ||
| ::GetLastError()!=ERROR_NOT_SUPPORTED // the CAPS library currently doesn't support reading Stream files | ||
| ) | ||
| return FALSE; | ||
| // - recognizing the naming pattern | ||
| const LPCTSTR trackIdentifier=lpszPathName+::lstrlen(lpszPathName)-2-1-1-1-3; // see the TrackNamingPattern | ||
| int cyl; char head; | ||
| if (::sscanf( trackIdentifier, TRACK_NAME_PATTERN, &cyl, &head )!=2 | ||
| || | ||
| cyl>=FDD_CYLINDERS_MAX | ||
| || | ||
| head<'0' || '1'<head | ||
| ){ | ||
| ::SetLastError(ERROR_INVALID_NAME); | ||
| return FALSE; | ||
| } | ||
| // - setting a classical 3.5" floppy geometry | ||
| if (!capsImageInfo.maxcylinder) // # of Cylinders not yet set (e.g. via confirmed EditSettings dialog) | ||
| capsImageInfo.maxcylinder=FDD_CYLINDERS_MAX-1; // inclusive! | ||
| capsImageInfo.maxhead=2-1; // inclusive! | ||
| // - successfully mounted | ||
| ::lstrcpyn( nameBase, lpszPathName, trackIdentifier-lpszPathName+1 ); | ||
| return TRUE; | ||
| } | ||
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| BOOL CKryoFluxStreams::OnSaveDocument(LPCTSTR lpszPathName){ | ||
| // True <=> this Image has been successfully saved, otherwise False | ||
| ::SetLastError(ERROR_NOT_SUPPORTED); | ||
| return FALSE; | ||
| } | ||
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| TSector CKryoFluxStreams::ScanTrack(TCylinder cyl,THead head,PSectorId bufferId,PWORD bufferLength,PINT startTimesNanoseconds,PBYTE pAvgGap3) const{ | ||
| // returns the number of Sectors found in given Track, and eventually populates the Buffer with their IDs (if Buffer!=Null); returns 0 if Track not formatted or not found | ||
| EXCLUSIVELY_LOCK_THIS_IMAGE(); | ||
| // - checking that specified Track actually CAN exist | ||
| if (cyl>capsImageInfo.maxcylinder || head>capsImageInfo.maxhead) | ||
| return 0; | ||
| // - if Track already scanned before, returning the result from before | ||
| if (internalTracks[cyl][head]!=nullptr) | ||
| return __super::ScanTrack( cyl, head, bufferId, bufferLength, startTimesNanoseconds, pAvgGap3 ); | ||
| // - loading the underlying file that contains the specified Track | ||
| if (!*nameBase) // NameBase not set, e.g. when creating a new Image | ||
| return 0; | ||
| TCHAR filename[MAX_PATH]; | ||
| ::wsprintf( filename, _T("%s") TRACK_NAME_PATTERN, nameBase, cyl<<(BYTE)params.doubleTrackStep, '0'+head ); | ||
| CFileException e; | ||
| CFile f; | ||
| if (!f.Open( filename, CFile::modeRead|CFile::shareDenyWrite|CFile::typeBinary, &e )){ | ||
| ::SetLastError(e.m_cause); | ||
| return 0; | ||
| } | ||
| // - making sure the loaded content is a KryoFlux Stream whose data actually make sense | ||
| TSector nSectors=0; | ||
| const auto fLength=f.GetLength(); | ||
| if (const PBYTE data=(PBYTE)::malloc(fLength)){ | ||
| if (f.Read( data, fLength )==fLength){ | ||
| const CKfStream kfStream( data, f.GetLength() ); | ||
| if (!kfStream.GetError()){ | ||
| // it's a KryoFlux Stream whose data make sense | ||
| CTrackReaderWriter trw=kfStream.ToTrack(); | ||
| trw.SetMediumType(floppyType); | ||
| internalTracks[cyl][head]=CInternalTrack::CreateFrom( *this, trw ); | ||
| nSectors=__super::ScanTrack( cyl, head, bufferId, bufferLength, startTimesNanoseconds, pAvgGap3 ); | ||
| } | ||
| } | ||
| ::free(data); | ||
| } | ||
| return nSectors; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,25 @@ | ||
| #ifndef KRYOFLUXSTREAMS_H | ||
| #define KRYOFLUXSTREAMS_H | ||
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| class CKryoFluxStreams sealed:public CKryoFluxBase{ | ||
| TCHAR nameBase[MAX_PATH]; | ||
| public: | ||
| static const TProperties Properties; | ||
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| CKryoFluxStreams(); | ||
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| BOOL OnOpenDocument(LPCTSTR lpszPathName) override; | ||
| BOOL OnSaveDocument(LPCTSTR lpszPathName) override; | ||
| //TCylinder GetCylinderCount() const override; | ||
| //THead GetNumberOfFormattedSides(TCylinder cyl) const override; | ||
| TSector ScanTrack(TCylinder cyl,THead head,PSectorId bufferId=nullptr,PWORD bufferLength=nullptr,PINT startTimesNanoseconds=nullptr,PBYTE pAvgGap3=nullptr) const override; | ||
| //void GetTrackData(TCylinder cyl,THead head,PCSectorId bufferId,PCBYTE bufferNumbersOfSectorsToSkip,TSector nSectors,bool silentlyRecoverFromErrors,PSectorData *outBufferData,PWORD outBufferLengths,TFdcStatus *outFdcStatuses) override; | ||
| //TStdWinError MarkSectorAsDirty(RCPhysicalAddress chs,BYTE nSectorsToSkip,PCFdcStatus pFdcStatus) override; | ||
| //TStdWinError SetMediumTypeAndGeometry(PCFormat pFormat,PCSide sideMap,TSector firstSectorNumber) override; | ||
| ///void EditSettings() override; | ||
| //TStdWinError Reset() override; | ||
| //TStdWinError FormatTrack(TCylinder cyl,THead head,TSector nSectors,PCSectorId bufferId,PCWORD bufferLength,PCFdcStatus bufferFdcStatus,BYTE gap3,BYTE fillerByte) override; | ||
| //TStdWinError UnformatTrack(TCylinder cyl,THead head) override; | ||
| }; | ||
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| #endif // KRYOFLUXSTREAMS_H |
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