mirror of
https://github.com/AppleWin/AppleWin.git
synced 2024-11-18 12:06:47 +00:00
273 lines
8.9 KiB
C++
273 lines
8.9 KiB
C++
#pragma once
|
|
|
|
#include "zip.h"
|
|
|
|
#define GZ_SUFFIX ".gz"
|
|
#define GZ_SUFFIX_LEN (sizeof(GZ_SUFFIX)-1)
|
|
|
|
#define ZIP_SUFFIX ".zip"
|
|
#define ZIP_SUFFIX_LEN (sizeof(ZIP_SUFFIX)-1)
|
|
|
|
|
|
enum eImageType {eImageUNKNOWN, eImageDO, eImagePO, eImageNIB1, eImageNIB2, eImageHDV, eImageIIE, eImageAPL, eImagePRG};
|
|
enum eDetectResult {eMismatch, ePossibleMatch, eMatch};
|
|
|
|
class CImageBase;
|
|
enum FileType_e {eFileNormal, eFileGZip, eFileZip};
|
|
|
|
struct ImageInfo
|
|
{
|
|
TCHAR szFilename[MAX_PATH];
|
|
CImageBase* pImageType;
|
|
FileType_e FileType;
|
|
HANDLE hFile;
|
|
DWORD uOffset;
|
|
bool bWriteProtected;
|
|
UINT uImageSize;
|
|
char szFilenameInZip[MAX_PATH];
|
|
zip_fileinfo zipFileInfo;
|
|
UINT uNumEntriesInZip;
|
|
// Floppy only
|
|
BYTE ValidTrack[TRACKS_MAX];
|
|
UINT uNumTracks;
|
|
BYTE* pImageBuffer;
|
|
};
|
|
|
|
//-------------------------------------
|
|
|
|
#define HD_BLOCK_SIZE 512
|
|
|
|
#define UNIDISK35_800K_SIZE (800*1024) // UniDisk 3.5"
|
|
#define HARDDISK_32M_SIZE (HD_BLOCK_SIZE * 65536)
|
|
|
|
#define DEFAULT_VOLUME_NUMBER 254
|
|
|
|
class CImageBase
|
|
{
|
|
public:
|
|
CImageBase(void) : m_uNumTracksInImage(0), m_uVolumeNumber(DEFAULT_VOLUME_NUMBER) {}
|
|
virtual ~CImageBase(void) {}
|
|
|
|
virtual bool Boot(ImageInfo* pImageInfo) { return false; }
|
|
virtual eDetectResult Detect(const LPBYTE pImage, const DWORD dwImageSize, const TCHAR* pszExt) = 0;
|
|
virtual void Read(ImageInfo* pImageInfo, int nTrack, int nQuarterTrack, LPBYTE pTrackImageBuffer, int* pNibbles) { }
|
|
virtual bool Read(ImageInfo* pImageInfo, UINT nBlock, LPBYTE pBlockBuffer) { return false; }
|
|
virtual void Write(ImageInfo* pImageInfo, int nTrack, int nQuarterTrack, LPBYTE pTrackImage, int nNibbles) { }
|
|
virtual bool Write(ImageInfo* pImageInfo, UINT nBlock, LPBYTE pBlockBuffer) { return false; }
|
|
|
|
virtual bool AllowBoot(void) { return false; } // Only: APL and PRG
|
|
virtual bool AllowRW(void) { return true; } // All but: APL and PRG
|
|
virtual bool AllowCreate(void) { return false; } // WE CREATE ONLY DOS ORDER (DO) OR 6656-NIBBLE (NIB) FORMAT FILES
|
|
virtual UINT GetImageSizeForCreate(void) { _ASSERT(0); return (UINT)-1; }
|
|
|
|
virtual eImageType GetType(void) = 0;
|
|
virtual char* GetCreateExtensions(void) = 0;
|
|
virtual char* GetRejectExtensions(void) = 0;
|
|
|
|
void SetVolumeNumber(const BYTE uVolumeNumber) { m_uVolumeNumber = uVolumeNumber; }
|
|
bool IsValidImageSize(const DWORD uImageSize);
|
|
|
|
enum SectorOrder_e {eProDOSOrder, eDOSOrder, eSIMSYSTEMOrder, NUM_SECTOR_ORDERS};
|
|
|
|
protected:
|
|
bool ReadTrack(ImageInfo* pImageInfo, const int nTrack, LPBYTE pTrackBuffer, const UINT uTrackSize);
|
|
bool WriteTrack(ImageInfo* pImageInfo, const int nTrack, LPBYTE pTrackBuffer, const UINT uTrackSize);
|
|
bool ReadBlock(ImageInfo* pImageInfo, const int nBlock, LPBYTE pBlockBuffer);
|
|
bool WriteBlock(ImageInfo* pImageInfo, const int nBlock, LPBYTE pBlockBuffer);
|
|
|
|
LPBYTE Code62(int sector);
|
|
void Decode62(LPBYTE imageptr);
|
|
void DenibblizeTrack (LPBYTE trackimage, SectorOrder_e SectorOrder, int nibbles);
|
|
DWORD NibblizeTrack (LPBYTE trackimagebuffer, SectorOrder_e SectorOrder, int track);
|
|
void SkewTrack (const int nTrack, const int nNumNibbles, const LPBYTE pTrackImageBuffer);
|
|
|
|
public:
|
|
static LPBYTE ms_pWorkBuffer;
|
|
UINT m_uNumTracksInImage; // Init'd by CDiskImageHelper.Detect()/GetImageForCreation() & possibly updated by IsValidImageSize()
|
|
|
|
protected:
|
|
static BYTE ms_DiskByte[0x40];
|
|
static BYTE ms_SectorNumber[NUM_SECTOR_ORDERS][0x10];
|
|
BYTE m_uVolumeNumber;
|
|
};
|
|
|
|
//-------------------------------------
|
|
|
|
class CHdrHelper
|
|
{
|
|
public:
|
|
virtual eDetectResult DetectHdr(LPBYTE& pImage, DWORD& dwImageSize, DWORD& dwOffset) = 0;
|
|
virtual UINT GetMaxHdrSize(void) = 0;
|
|
protected:
|
|
CHdrHelper(void) {}
|
|
virtual ~CHdrHelper(void) {}
|
|
};
|
|
|
|
class CMacBinaryHelper : public CHdrHelper
|
|
{
|
|
public:
|
|
CMacBinaryHelper(void) {}
|
|
virtual ~CMacBinaryHelper(void) {}
|
|
virtual eDetectResult DetectHdr(LPBYTE& pImage, DWORD& dwImageSize, DWORD& dwOffset);
|
|
virtual UINT GetMaxHdrSize(void) { return uMacBinHdrSize; }
|
|
|
|
private:
|
|
static const UINT uMacBinHdrSize = 128;
|
|
};
|
|
|
|
// http://apple2.org.za/gswv/a2zine/Docs/DiskImage_2MG_Info.txt
|
|
|
|
#pragma pack(push)
|
|
#pragma pack(1) // Ensure Header2IMG is packed
|
|
|
|
class C2IMGHelper : public CHdrHelper
|
|
{
|
|
public:
|
|
C2IMGHelper(const bool bIsFloppy) : m_bIsFloppy(bIsFloppy) {}
|
|
virtual ~C2IMGHelper(void) {}
|
|
virtual eDetectResult DetectHdr(LPBYTE& pImage, DWORD& dwImageSize, DWORD& dwOffset);
|
|
virtual UINT GetMaxHdrSize(void) { return sizeof(Header2IMG); }
|
|
BYTE GetVolumeNumber(void);
|
|
bool IsLocked(void);
|
|
bool IsImageFormatDOS33(void) { return m_Hdr.ImageFormat == e2IMGFormatDOS33; }
|
|
bool IsImageFormatProDOS(void) { return m_Hdr.ImageFormat == e2IMGFormatProDOS; }
|
|
|
|
private:
|
|
static const UINT32 FormatID_2IMG = 'GMI2'; // '2IMG'
|
|
static const UINT32 Creator_2IMG_AppleWin = '1vWA'; // 'AWv1'
|
|
static const USHORT Version_2IMG_AppleWin = 1;
|
|
|
|
enum ImageFormat2IMG_e { e2IMGFormatDOS33=0, e2IMGFormatProDOS, e2IMGFormatNIBData };
|
|
|
|
struct Flags2IMG
|
|
{
|
|
UINT32 VolumeNumber : 8; // bits7-0
|
|
UINT32 bDOS33VolumeNumberValid : 1;
|
|
UINT32 Pad : 22;
|
|
UINT32 bDiskImageLocked : 1; // bit31
|
|
};
|
|
|
|
struct Header2IMG
|
|
{
|
|
UINT32 FormatID; // "2IMG"
|
|
UINT32 CreatorID;
|
|
USHORT HeaderSize;
|
|
USHORT Version;
|
|
union
|
|
{
|
|
ImageFormat2IMG_e ImageFormat;
|
|
UINT32 ImageFormatRaw;
|
|
};
|
|
union
|
|
{
|
|
Flags2IMG Flags;
|
|
UINT32 FlagsRaw;
|
|
};
|
|
UINT32 NumBlocks; // The number of 512-byte blocks in the disk image
|
|
UINT32 DiskDataOffset;
|
|
UINT32 DiskDataLength;
|
|
UINT32 CommentOffset; // Optional
|
|
UINT32 CommentLength; // Optional
|
|
UINT32 CreatorOffset; // Optional
|
|
UINT32 CreatorLength; // Optional
|
|
BYTE Padding[16];
|
|
};
|
|
|
|
Header2IMG m_Hdr;
|
|
bool m_bIsFloppy;
|
|
};
|
|
|
|
#pragma pack(pop)
|
|
|
|
//-------------------------------------
|
|
|
|
class CImageHelperBase
|
|
{
|
|
public:
|
|
CImageHelperBase(const bool bIsFloppy) :
|
|
m_2IMGHelper(bIsFloppy),
|
|
m_Result2IMG(eMismatch)
|
|
{
|
|
}
|
|
virtual ~CImageHelperBase(void)
|
|
{
|
|
for (UINT i=0; i<m_vecImageTypes.size(); i++)
|
|
delete m_vecImageTypes[i];
|
|
}
|
|
|
|
ImageError_e Open(LPCTSTR pszImageFilename, ImageInfo* pImageInfo, const bool bCreateIfNecessary, std::string& strFilenameInZip);
|
|
void Close(ImageInfo* pImageInfo, const bool bDeleteFile);
|
|
|
|
virtual CImageBase* Detect(LPBYTE pImage, DWORD dwSize, const TCHAR* pszExt, DWORD& dwOffset, bool* pWriteProtected_) = 0;
|
|
virtual CImageBase* GetImageForCreation(const TCHAR* pszExt, DWORD* pCreateImageSize) = 0;
|
|
virtual UINT GetMaxImageSize(void) = 0;
|
|
virtual UINT GetMinDetectSize(const UINT uImageSize, bool* pTempDetectBuffer) = 0;
|
|
|
|
protected:
|
|
ImageError_e CheckGZipFile(LPCTSTR pszImageFilename, ImageInfo* pImageInfo);
|
|
ImageError_e CheckZipFile(LPCTSTR pszImageFilename, ImageInfo* pImageInfo, std::string& strFilenameInZip);
|
|
ImageError_e CheckNormalFile(LPCTSTR pszImageFilename, ImageInfo* pImageInfo, const bool bCreateIfNecessary);
|
|
|
|
UINT GetNumImages(void) { return m_vecImageTypes.size(); };
|
|
CImageBase* GetImage(UINT uIndex) { _ASSERT(uIndex<GetNumImages()); return m_vecImageTypes[uIndex]; }
|
|
CImageBase* GetImage(eImageType Type)
|
|
{
|
|
if (Type == eImageUNKNOWN)
|
|
return NULL;
|
|
for (UINT i=0; i<GetNumImages(); i++)
|
|
{
|
|
if (m_vecImageTypes[i]->GetType() == Type)
|
|
return m_vecImageTypes[i];
|
|
}
|
|
_ASSERT(0);
|
|
return NULL;
|
|
}
|
|
|
|
protected:
|
|
typedef std::vector<CImageBase*> VECIMAGETYPE;
|
|
VECIMAGETYPE m_vecImageTypes;
|
|
|
|
C2IMGHelper m_2IMGHelper;
|
|
eDetectResult m_Result2IMG;
|
|
};
|
|
|
|
//-------------------------------------
|
|
|
|
class CDiskImageHelper : public CImageHelperBase
|
|
{
|
|
public:
|
|
CDiskImageHelper(void);
|
|
virtual ~CDiskImageHelper(void) {}
|
|
|
|
virtual CImageBase* Detect(LPBYTE pImage, DWORD dwSize, const TCHAR* pszExt, DWORD& dwOffset, bool* pWriteProtected_);
|
|
virtual CImageBase* GetImageForCreation(const TCHAR* pszExt, DWORD* pCreateImageSize);
|
|
virtual UINT GetMaxImageSize(void);
|
|
virtual UINT GetMinDetectSize(const UINT uImageSize, bool* pTempDetectBuffer);
|
|
|
|
UINT GetNumTracksInImage(CImageBase* pImageType) { return pImageType->m_uNumTracksInImage; }
|
|
void SetNumTracksInImage(CImageBase* pImageType, UINT uNumTracks) { pImageType->m_uNumTracksInImage = uNumTracks; }
|
|
|
|
LPBYTE GetWorkBuffer(void) { return CImageBase::ms_pWorkBuffer; }
|
|
void SetWorkBuffer(LPBYTE pBuffer) { CImageBase::ms_pWorkBuffer = pBuffer; }
|
|
|
|
private:
|
|
void SkipMacBinaryHdr(LPBYTE& pImage, DWORD& dwSize, DWORD& dwOffset);
|
|
|
|
private:
|
|
CMacBinaryHelper m_MacBinaryHelper;
|
|
};
|
|
|
|
//-------------------------------------
|
|
|
|
class CHardDiskImageHelper : public CImageHelperBase
|
|
{
|
|
public:
|
|
CHardDiskImageHelper(void);
|
|
virtual ~CHardDiskImageHelper(void) {}
|
|
|
|
virtual CImageBase* Detect(LPBYTE pImage, DWORD dwSize, const TCHAR* pszExt, DWORD& dwOffset, bool* pWriteProtected_);
|
|
virtual CImageBase* GetImageForCreation(const TCHAR* pszExt, DWORD* pCreateImageSize);
|
|
virtual UINT GetMaxImageSize(void);
|
|
virtual UINT GetMinDetectSize(const UINT uImageSize, bool* pTempDetectBuffer);
|
|
};
|