mirror of
https://github.com/ksherlock/profuse.git
synced 2024-12-22 20:29:59 +00:00
git-svn-id: https://profuse.googlecode.com/svn/branches/v2@210 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock
parent
ea4f0c4485
commit
3b2bbb4e99
@ -25,11 +25,9 @@ using ProFUSE::POSIXException;
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BlockDevice::BlockDevice()
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{
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_cache = NULL;
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}
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BlockDevice::~BlockDevice()
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{
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delete _cache;
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}
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void BlockDevice::zeroBlock(unsigned block)
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@ -79,211 +77,3 @@ void *BlockDevice::read(TrackSector ts)
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return NULL;
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}
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#pragma mark -
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#pragma mark DiskImage
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unsigned DiskImage::ImageType(const char *type, unsigned defv)
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{
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const char *tmp;
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if (type == 0 || *type == 0) return defv;
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// type could be a filename, in which case we check the extension.
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tmp = std::strrchr(type, '.');
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if (tmp) type = tmp + 1;
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if (*type == 0) return defv;
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if (::strcasecmp(type, "2mg") == 0)
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return '2IMG';
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if (::strcasecmp(type, "2img") == 0)
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return '2IMG';
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if (::strcasecmp(type, "dc42") == 0)
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return 'DC42';
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if (::strcasecmp(type, "po") == 0)
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return 'PO__';
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if (::strcasecmp(type, "dmg") == 0)
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return 'PO__';
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if (::strcasecmp(type, "dsk") == 0)
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return 'DO__';
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if (::strcasecmp(type, "do") == 0)
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return 'DO__';
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if (::strcasecmp(type, "davex") == 0)
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return 'DVX_';
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/*
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// not supported yet.
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if (::strcasecmp(tmp, "sdk") == 0)
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return 'SDK_';
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*/
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return defv;
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}
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DiskImage::DiskImage(const char *name, bool readOnly) :
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_file(NULL)
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{
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_file = new MappedFile(name, readOnly);
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}
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DiskImage::DiskImage(MappedFile *file) :
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_file(file)
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{
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}
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DiskImage::~DiskImage()
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{
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delete _file;
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}
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bool DiskImage::readOnly()
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::readOnly"
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if (_file) return _file->readOnly();
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throw Exception(__METHOD__ ": File not set.");
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}
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unsigned DiskImage::blocks()
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::blocks"
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if (_file) return _file->blocks();
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throw Exception(__METHOD__ ": File not set.");
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}
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void DiskImage::read(unsigned block, void *bp)
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::read"
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if (_file) return _file->readBlock(block, bp);
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throw Exception(__METHOD__ ": File not set.");
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}
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void DiskImage::write(unsigned block, const void *bp)
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::write"
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if (_file) return _file->writeBlock(block, bp);
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throw Exception(__METHOD__ ": File not set.");
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}
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void DiskImage::sync()
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::sync"
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if (_file) return _file->sync();
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throw Exception(__METHOD__ ": File not set.");
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}
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AbstractBlockCache *DiskImage::createBlockCache()
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{
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if (_file->encoding() == MappedFile::ProDOSOrder)
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return new MappedBlockCache(_file->imageData(), _file->blocks());
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return BlockDevice::createBlockCache();
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}
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ProDOSOrderDiskImage::ProDOSOrderDiskImage(const char *name, bool readOnly) :
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DiskImage(name, readOnly)
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{
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Validate(file());
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}
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ProDOSOrderDiskImage::ProDOSOrderDiskImage(MappedFile *file) :
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DiskImage(file)
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{
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}
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ProDOSOrderDiskImage *ProDOSOrderDiskImage::Create(const char *name, size_t blocks)
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{
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MappedFile *file = new MappedFile(name, blocks * 512);
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file->setBlocks(blocks);
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return new ProDOSOrderDiskImage(file);
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}
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ProDOSOrderDiskImage *ProDOSOrderDiskImage::Open(MappedFile *file)
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{
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Validate(file);
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return new ProDOSOrderDiskImage(file);
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}
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void ProDOSOrderDiskImage::Validate(MappedFile *f)
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{
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#undef __METHOD__
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#define __METHOD__ "ProDOSOrderDiskImage::Validate"
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if (!f) throw Exception(__METHOD__ ": File not set.");
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size_t size = f->fileSize();
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if (size % 512)
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throw Exception(__METHOD__ ": Invalid file format.");
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f->reset();
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f->setBlocks(size / 512);
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}
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DOSOrderDiskImage::DOSOrderDiskImage(const char *name, bool readOnly) :
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DiskImage(name, readOnly)
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{
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Validate(file());
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}
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DOSOrderDiskImage::DOSOrderDiskImage(MappedFile *file) :
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DiskImage(file)
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{
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}
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DOSOrderDiskImage *DOSOrderDiskImage::Create(const char *name, size_t blocks)
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{
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MappedFile *file = new MappedFile(name, blocks * 512);
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file->setEncoding(MappedFile::DOSOrder);
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file->setBlocks(blocks);
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return new DOSOrderDiskImage(file);
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}
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DOSOrderDiskImage *DOSOrderDiskImage::Open(MappedFile *file)
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{
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Validate(file);
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return new DOSOrderDiskImage(file);
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}
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void DOSOrderDiskImage::Validate(MappedFile *f)
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{
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#undef __METHOD__
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#define __METHOD__ "DOSOrderDiskImage::Validate"
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if (!f) throw Exception(__METHOD__ ": File not set.");
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size_t size = f->fileSize();
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if (size % 512)
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throw Exception(__METHOD__ ": Invalid file format.");
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f->reset();
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f->setEncoding(MappedFile::DOSOrder);
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f->setBlocks(size / 512);
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}
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@ -10,10 +10,7 @@
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namespace Device {
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class MappedFile;
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class AbstractBlockCache;
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class BlockCache;
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class BlockDevice {
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public:
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@ -26,9 +23,6 @@ public:
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virtual void write(unsigned block, const void *bp) = 0;
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virtual void write(TrackSector ts, const void *bp);
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// direct access to mapped memory (not always possible).
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virtual void *read(unsigned block);
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virtual void *read(TrackSector ts);
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virtual unsigned blocks() = 0;
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@ -43,77 +37,15 @@ public:
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void zeroBlock(unsigned block);
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AbstractBlockCache *blockCache();
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protected:
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BlockDevice();
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virtual AbstractBlockCache *createBlockCache();
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private:
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AbstractBlockCache *_cache;
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friend BlockCache;
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virtual BlockCache *createBlockCache();
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};
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class DiskImage : public BlockDevice {
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public:
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static unsigned ImageType(const char *type, unsigned defv = 0);
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virtual ~DiskImage();
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virtual void read(unsigned block, void *bp);
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virtual void write(unsigned block, const void *bp);
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virtual void sync();
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virtual bool readOnly();
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virtual unsigned blocks();
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protected:
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virtual AbstractBlockCache *createBlockCache();
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DiskImage(MappedFile * = 0);
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DiskImage(const char *name, bool readOnly);
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MappedFile *file() { return _file; }
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void setFile(MappedFile *);
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private:
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MappedFile *_file;
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};
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class ProDOSOrderDiskImage : public DiskImage {
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public:
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ProDOSOrderDiskImage(const char *name, bool readOnly);
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static ProDOSOrderDiskImage *Create(const char *name, size_t blocks);
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static ProDOSOrderDiskImage *Open(MappedFile *);
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private:
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ProDOSOrderDiskImage(MappedFile *);
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static void Validate(MappedFile *);
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};
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class DOSOrderDiskImage : public DiskImage {
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public:
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DOSOrderDiskImage(const char *name, bool readOnly);
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static DOSOrderDiskImage *Create(const char *name, size_t blocks);
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static DOSOrderDiskImage *Open(MappedFile *);
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private:
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DOSOrderDiskImage(MappedFile *);
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static void Validate(MappedFile *);
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};
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}
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#endif
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226
Device/DiskImage.cpp
Normal file
226
Device/DiskImage.cpp
Normal file
@ -0,0 +1,226 @@
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#include <cerrno>
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#include <cstdlib>
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#include <cstring>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <Device/DiskImage.h>
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#include <MappedFile.h>
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#include <ProFUSE/Exception.h>
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using namespace Device;
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using ProFUSE::Exception;
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using ProFUSE::POSIXException;
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unsigned DiskImage::ImageType(const char *type, unsigned defv)
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{
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const char *tmp;
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if (type == 0 || *type == 0) return defv;
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// type could be a filename, in which case we check the extension.
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tmp = std::strrchr(type, '.');
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if (tmp) type = tmp + 1;
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if (*type == 0) return defv;
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if (::strcasecmp(type, "2mg") == 0)
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return '2IMG';
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if (::strcasecmp(type, "2img") == 0)
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return '2IMG';
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if (::strcasecmp(type, "dc42") == 0)
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return 'DC42';
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if (::strcasecmp(type, "po") == 0)
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return 'PO__';
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if (::strcasecmp(type, "dmg") == 0)
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return 'PO__';
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if (::strcasecmp(type, "dsk") == 0)
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return 'DO__';
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if (::strcasecmp(type, "do") == 0)
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return 'DO__';
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if (::strcasecmp(type, "davex") == 0)
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return 'DVX_';
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/*
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// not supported yet.
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if (::strcasecmp(tmp, "sdk") == 0)
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return 'SDK_';
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*/
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return defv;
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}
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DiskImage::DiskImage(const char *name, bool readOnly) :
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_file(NULL)
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{
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_file = new MappedFile(name, readOnly);
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}
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DiskImage::DiskImage(MappedFile *file) :
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_file(file)
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{
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}
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DiskImage::~DiskImage()
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{
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delete _file;
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}
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bool DiskImage::readOnly()
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::readOnly"
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if (_file) return _file->readOnly();
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throw Exception(__METHOD__ ": File not set.");
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}
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unsigned DiskImage::blocks()
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::blocks"
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if (_file) return _file->blocks();
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throw Exception(__METHOD__ ": File not set.");
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}
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void DiskImage::read(unsigned block, void *bp)
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::read"
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if (_file) return _file->readBlock(block, bp);
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throw Exception(__METHOD__ ": File not set.");
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}
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void DiskImage::write(unsigned block, const void *bp)
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::write"
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if (_file) return _file->writeBlock(block, bp);
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throw Exception(__METHOD__ ": File not set.");
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}
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void DiskImage::sync()
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{
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#undef __METHOD__
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#define __METHOD__ "DiskImage::sync"
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if (_file) return _file->sync();
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throw Exception(__METHOD__ ": File not set.");
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}
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AbstractBlockCache *DiskImage::createBlockCache()
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{
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if (_file->encoding() == MappedFile::ProDOSOrder)
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return new MappedBlockCache(_file->imageData(), _file->blocks());
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return BlockDevice::createBlockCache();
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}
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ProDOSOrderDiskImage::ProDOSOrderDiskImage(const char *name, bool readOnly) :
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DiskImage(name, readOnly)
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{
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Validate(file());
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}
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ProDOSOrderDiskImage::ProDOSOrderDiskImage(MappedFile *file) :
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DiskImage(file)
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{
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}
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ProDOSOrderDiskImage *ProDOSOrderDiskImage::Create(const char *name, size_t blocks)
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{
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MappedFile *file = new MappedFile(name, blocks * 512);
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file->setBlocks(blocks);
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return new ProDOSOrderDiskImage(file);
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}
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ProDOSOrderDiskImage *ProDOSOrderDiskImage::Open(MappedFile *file)
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{
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Validate(file);
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return new ProDOSOrderDiskImage(file);
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||||
}
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||||
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||||
void ProDOSOrderDiskImage::Validate(MappedFile *f)
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{
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||||
#undef __METHOD__
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#define __METHOD__ "ProDOSOrderDiskImage::Validate"
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||||
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||||
if (!f) throw Exception(__METHOD__ ": File not set.");
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||||
|
||||
size_t size = f->fileSize();
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||||
|
||||
if (size % 512)
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||||
throw Exception(__METHOD__ ": Invalid file format.");
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||||
|
||||
f->reset();
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||||
f->setBlocks(size / 512);
|
||||
}
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||||
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||||
DOSOrderDiskImage::DOSOrderDiskImage(const char *name, bool readOnly) :
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DiskImage(name, readOnly)
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{
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||||
Validate(file());
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||||
}
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||||
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||||
DOSOrderDiskImage::DOSOrderDiskImage(MappedFile *file) :
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||||
DiskImage(file)
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||||
{
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||||
}
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||||
|
||||
DOSOrderDiskImage *DOSOrderDiskImage::Create(const char *name, size_t blocks)
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||||
{
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||||
MappedFile *file = new MappedFile(name, blocks * 512);
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||||
file->setEncoding(MappedFile::DOSOrder);
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file->setBlocks(blocks);
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||||
return new DOSOrderDiskImage(file);
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||||
}
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||||
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||||
DOSOrderDiskImage *DOSOrderDiskImage::Open(MappedFile *file)
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||||
{
|
||||
Validate(file);
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||||
return new DOSOrderDiskImage(file);
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||||
}
|
||||
|
||||
void DOSOrderDiskImage::Validate(MappedFile *f)
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||||
{
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||||
#undef __METHOD__
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||||
#define __METHOD__ "DOSOrderDiskImage::Validate"
|
||||
|
||||
if (!f) throw Exception(__METHOD__ ": File not set.");
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||||
|
||||
size_t size = f->fileSize();
|
||||
|
||||
if (size % 512)
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||||
throw Exception(__METHOD__ ": Invalid file format.");
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||||
|
||||
f->reset();
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||||
f->setEncoding(MappedFile::DOSOrder);
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||||
f->setBlocks(size / 512);
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||||
}
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||||
92
Device/DiskImage.h
Normal file
92
Device/DiskImage.h
Normal file
@ -0,0 +1,92 @@
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#ifndef __DISKIMAGE_H__
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#define __DISKIMAGE_H__
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||||
|
||||
#include <stdint.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <ProFUSE/Exception.h>
|
||||
|
||||
#include <Device/BlockDevice.h>
|
||||
|
||||
#include <MappedFile.h>
|
||||
|
||||
namespace Device {
|
||||
|
||||
|
||||
class DiskImage : public BlockDevice {
|
||||
public:
|
||||
|
||||
static unsigned ImageType(const char *type, unsigned defv = 0);
|
||||
|
||||
virtual ~DiskImage();
|
||||
|
||||
virtual void read(unsigned block, void *bp);
|
||||
virtual void write(unsigned block, const void *bp);
|
||||
virtual void sync();
|
||||
|
||||
virtual bool readOnly();
|
||||
virtual unsigned blocks();
|
||||
|
||||
protected:
|
||||
|
||||
|
||||
DiskImage(MappedFile * = 0);
|
||||
DiskImage(const char *name, bool readOnly);
|
||||
|
||||
void setOffset(uint32_t offset);
|
||||
void *address() const { return _address; }
|
||||
void *base() const { return _file.address(); }
|
||||
|
||||
void readPO(unsigned block, void *bp);
|
||||
void writePO(unsigned block, const void *bp);
|
||||
|
||||
void readDO(unsigned block, void *bp);
|
||||
void writeDO(unsigned block, const void *bp);
|
||||
|
||||
// readNib
|
||||
// writeNib
|
||||
|
||||
private:
|
||||
|
||||
MappedFile _file;
|
||||
void *_address;
|
||||
uint32_t _offset;
|
||||
|
||||
bool _readOnly;
|
||||
unsigned _blocks;
|
||||
};
|
||||
|
||||
|
||||
class ProDOSOrderDiskImage : public DiskImage {
|
||||
public:
|
||||
|
||||
ProDOSOrderDiskImage(const char *name, bool readOnly);
|
||||
|
||||
static ProDOSOrderDiskImage *Create(const char *name, size_t blocks);
|
||||
static ProDOSOrderDiskImage *Open(MappedFile *);
|
||||
|
||||
private:
|
||||
ProDOSOrderDiskImage(MappedFile *);
|
||||
static void Validate(MappedFile *);
|
||||
};
|
||||
|
||||
class DOSOrderDiskImage : public DiskImage {
|
||||
public:
|
||||
|
||||
DOSOrderDiskImage(const char *name, bool readOnly);
|
||||
|
||||
static DOSOrderDiskImage *Create(const char *name, size_t blocks);
|
||||
static DOSOrderDiskImage *Open(MappedFile *);
|
||||
|
||||
private:
|
||||
DOSOrderDiskImage(MappedFile *);
|
||||
static void Validate(MappedFile *);
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user