git-svn-id: https://profuse.googlecode.com/svn/branches/v2@178 aa027e90-d47c-11dd-86d7-074df07e0730

This commit is contained in:
ksherlock 2009-12-15 21:18:56 +00:00
parent b29c12d047
commit 81e532b25b
5 changed files with 344 additions and 334 deletions

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@ -1,4 +1,4 @@
#include "Date.h"
#include <Pascal/Date.h>
#include <cstring>
using namespace Pascal;
@ -25,6 +25,9 @@ Date::operator std::time_t() const {
tm.tm_year = _year;
tm.tm_isdst = -1;
// ProDOS standard for dealing w/ y2k.
if (_year <= 39) tm.tm_year += 100;
return std::mktime(&tm);
}
@ -40,5 +43,5 @@ Date Date::Today()
::localtime_r(&t, &tm);
return Date(tm.tm_year, tm.tm_mon + 1, tm.tm_mday);
return Date(tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday);
}

98
pascal/Entry.cpp Normal file
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@ -0,0 +1,98 @@
#include <Pascal/File.h>
#include <ProfUSE/auto.h>
#include <ProFUSE/Exception.h>
#include <Endian/Endian.h>
#include <Endian/IOBuffer.h>
#include <Device/BlockDevice.h>
#include <Device/BlockCache.h>
#include <algorithm>
#include <cstring>
#include <cctype>
#include <memory>
using namespace LittleEndian;
using namespace Pascal;
#pragma mark -
#pragma mark DirEntry
unsigned Entry::ValidName(const char *cp, unsigned maxLength)
{
// any printable char except:
// white space
// $ = ? , (file only)
// : (volume only)
if (!cp || !*cp) return 0;
for (unsigned i = 0; ; ++i)
{
unsigned c = cp[i];
if (c == 0) return i;
if (i >= maxLength) return 0;
switch(c)
{
case ':':
if (maxLength == 7) return 0;
break;
case '$':
case '=':
case ',':
case '?':
if (maxLength == 15) return 0;
break;
default:
if (!::isascii(c)) return 0;
if (!std::isgraph(c)) return 0;
}
}
}
Entry::Entry()
{
_firstBlock = 0;
_lastBlock = 0;
_fileKind = 0;
_inode = 0;
_parent = NULL;
}
Entry::Entry(void *vp)
{
init(vp);
}
Entry::~Entry()
{
}
void Entry::init(void *vp)
{
_firstBlock = Read16(vp, 0x00);
_lastBlock = Read16(vp, 0x02);
_fileKind = Read8(vp, 0x04);
_inode = 0;
}
void Entry::writeDirectoryEntry(IOBuffer *b)
{
b->write16(_firstBlock);
b->write16(_lastBlock);
b->write8(_fileKind);
}

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@ -1,7 +1,7 @@
#ifndef __FILE_H__
#define __FILE_H__
#include "Date.h"
#include <Pascal/Date.h>
#include <vector>
@ -79,10 +79,10 @@ class VolumeEntry : public Entry {
public:
// create new
VolumeEntry(const char *name, ProFUSE::BlockDevice *);
VolumeEntry(const char *name, Device::BlockDevice *);
// open existing
VolumeEntry(ProFUSE::BlockDevice *);
VolumeEntry(Device::BlockDevice *);
virtual ~VolumeEntry();
const char *name() const { return _fileName; }
@ -124,8 +124,8 @@ private:
std::vector<FileEntry *> _files;
unsigned _inodeGenerator;
ProFUSE::BlockDevice *_device;
ProFUSE::AbstractBlockCache *_cache;
Device::BlockDevice *_device;
Device::AbstractBlockCache *_cache;
};

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@ -1,11 +1,12 @@
#include "File.h"
#include "../auto.h"
#include "../Endian.h"
#include "../BlockDevice.h"
#include "../BlockCache.h"
#include "../Exception.h"
#include <Pascal/File.h>
#include "IOBuffer.h"
#include <ProfUSE/auto.h>
#include <ProFUSE/Exception.h>
#include <Endian/Endian.h>
#include <Device/BlockDevice.h>
#include <Device/BlockCache.h>
#include <algorithm>
#include <cstring>
@ -15,325 +16,6 @@
using namespace LittleEndian;
using namespace Pascal;
/*
static bool isalpha(char c)
{
return (c >= 'A' && c <= 'Z')
|| (c >= 'a' && c <= 'z') ;
}
static bool isalnumdot(char c)
{
return (c >= 'A' && c <= 'Z')
|| (c >= 'a' && c <= 'z')
|| (c >= '0' && c <='9')
|| (c == '.') ;
}
static bool islower(char c)
{
return c >= 'a' && c <= 'z';
}
inline char tolower(char c) { return c | 0x20; }
inline char toupper(char c) { return c & ~0x20; }
*/
#pragma mark -
#pragma mark DirEntry
unsigned Entry::ValidName(const char *cp, unsigned maxLength)
{
// any printable char except:
// white space
// $ = ? , (file only)
// : (volume only)
if (!cp || !*cp) return 0;
for (unsigned i = 0; ; ++i)
{
unsigned c = cp[i];
if (c == 0) return i;
if (i >= maxLength) return 0;
switch(c)
{
case ':':
if (maxLength == 7) return 0;
break;
case '$':
case '=':
case ',':
case '?':
if (maxLength == 15) return 0;
break;
default:
if (!::isascii(c)) return 0;
if (!std::isgraph(c)) return 0;
}
}
}
Entry::Entry()
{
_firstBlock = 0;
_lastBlock = 0;
_fileKind = 0;
_inode = 0;
_parent = NULL;
}
Entry::Entry(void *vp)
{
init(vp);
}
Entry::~Entry()
{
}
void Entry::init(void *vp)
{
_firstBlock = Read16(vp, 0x00);
_lastBlock = Read16(vp, 0x02);
_fileKind = Read8(vp, 0x04);
_inode = 0;
}
void Entry::writeDirectoryEntry(IOBuffer *b)
{
b->write16(_firstBlock);
b->write16(_lastBlock);
b->write8(_fileKind);
}
#pragma mark -
#pragma mark VolumeEntry
unsigned VolumeEntry::ValidName(const char *cp)
{
// 7 chars max. Legal values: ascii, printable,
// no space/tab,
// no $=?,:
return Entry::ValidName(cp, 7);
}
VolumeEntry::VolumeEntry()
{
_fileNameLength = 0;
std::memset(_fileName, 0, 8);
_lastVolumeBlock = 0;
_fileCount = 0;
_accessTime = 0;
setInode(1);
_inodeGenerator = 1;
_cache = NULL;
_device = NULL;
}
VolumeEntry::VolumeEntry(const char *name, ProFUSE::BlockDevice *device)
{
#undef __METHOD__
#define __METHOD__ "VolumeEntry::VolumeEntry"
unsigned length;
length = ValidName(name);
if (!length)
throw ProFUSE::Exception(__METHOD__ ": Invalid volume name.");
_firstBlock = 0;
_lastBlock = 6;
_fileKind = kUntypedFile;
_inode = 1;
_inodeGenerator = 1;
_fileNameLength = length;
std::memset(_fileName, 0, sizeof(_fileName));
for (unsigned i = 0; i < _fileNameLength; ++i)
{
_fileName[i] = std::toupper(name[i]);
}
_lastVolumeBlock = device->blocks();
_fileCount = 0;
_accessTime = 0;
_lastBoot = Date::Today();
_cache = device->blockCache();
_device = device;
for (unsigned i = 2; i < 6; ++i)
{
device->zeroBlock(i);
}
void *vp = _cache->load(2);
IOBuffer b(vp, 0x1a);
writeDirectoryEntry(&b);
_cache->unload(2, true);
}
VolumeEntry::VolumeEntry(ProFUSE::BlockDevice *device)
{
auto_array<uint8_t> buffer(new uint8_t[512]);
unsigned blockCount;
// read the header block, then load up all the header
// blocks.
_device = device;
_cache = device->blockCache();
device->read(2, buffer.get());
init(buffer.get());
// todo -- verify reasonable values.
//printf("%u %u\n", blocks(), _lastBlock - _firstBlock);
// why the fuck didn't this work????
blockCount = blocks();
if (blockCount > 1)
{
buffer.reset(new uint8_t[512 * blockCount]);
for (unsigned i = 0; i < blockCount; ++i)
{
device->read(2 + i, buffer.get() + 512 * i);
}
}
// now load up all the children.
// if this throws, memory could be lost...
try
{
for (unsigned i = 1; i <= _fileCount; ++i)
{
std::auto_ptr<FileEntry> child;
//
child.reset(new FileEntry(buffer.get() + i * 0x1a));
child->setInode(++_inodeGenerator);
child->_parent = this;
_files.push_back(child.release());
}
}
catch (...)
{
std::vector<FileEntry *>::iterator iter;
for(iter = _files.begin(); iter != _files.end(); ++iter)
{
if (*iter) delete *iter;
}
throw;
}
}
VolumeEntry::~VolumeEntry()
{
std::vector<FileEntry *>::iterator iter;
for(iter = _files.begin(); iter != _files.end(); ++iter)
{
if (*iter) delete *iter;
}
// _blockCache does not need deleting.
delete _device;
}
void VolumeEntry::init(void *vp)
{
Entry::init(vp);
_fileNameLength = Read8(vp, 6);
// verify filenamelength <= 7
// verify fileKind == 0
std::memcpy(_fileName, 7 + (uint8_t *)vp, _fileNameLength);
_lastVolumeBlock = Read16(vp, 0x0e);
_fileCount = Read16(vp, 0x10);
_accessTime = Read16(vp, 0x12);
_lastBoot = Date(Read16(vp, 0x14));
setInode(1);
_inodeGenerator = 1;
}
FileEntry *VolumeEntry::fileAtIndex(unsigned i) const
{
return i < _files.size() ? _files[i] : NULL;
}
void *VolumeEntry::loadBlock(unsigned block)
{
return _cache->load(block);
}
void VolumeEntry::unloadBlock(unsigned block, bool dirty)
{
return _cache->unload(block, dirty);
}
void VolumeEntry::readBlock(unsigned block, void *buffer)
{
_device->read(block, buffer);
}
void VolumeEntry::writeBlock(unsigned block, void *buffer)
{
_device->write(block, buffer);
}
void VolumeEntry::writeDirectoryEntry(IOBuffer *b)
{
Entry::writeDirectoryEntry(b);
b->write8(0); // reserved
b->write8(_fileNameLength);
b->writeBytes(_fileName, 7);
b->write16(_lastVolumeBlock);
b->write16(_fileCount);
b->write16(_accessTime);
b->write16(_lastBoot);
// rest is reserved.
b->writeZero(4);
}
#pragma mark -
#pragma mark FileEntry
@ -655,4 +337,3 @@ void FileEntry::textInit()
_pageSize->push_back(size);
}
}

228
pascal/VolumeEntry.cpp Normal file
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@ -0,0 +1,228 @@
#include <Pascal/File.h>
#include <ProfUSE/auto.h>
#include <ProFUSE/Exception.h>
#include <Endian/Endian.h>
#include <Endian/IOBuffer.h>
#include <Device/BlockDevice.h>
#include <Device/BlockCache.h>
#pragma mark -
#pragma mark VolumeEntry
unsigned VolumeEntry::ValidName(const char *cp)
{
// 7 chars max. Legal values: ascii, printable,
// no space/tab,
// no $=?,:
return Entry::ValidName(cp, 7);
}
VolumeEntry::VolumeEntry()
{
_fileNameLength = 0;
std::memset(_fileName, 0, 8);
_lastVolumeBlock = 0;
_fileCount = 0;
_accessTime = 0;
setInode(1);
_inodeGenerator = 1;
_cache = NULL;
_device = NULL;
}
VolumeEntry::VolumeEntry(const char *name, Device::BlockDevice *device)
{
#undef __METHOD__
#define __METHOD__ "VolumeEntry::VolumeEntry"
unsigned length;
length = ValidName(name);
if (!length)
throw ProFUSE::Exception(__METHOD__ ": Invalid volume name.");
_firstBlock = 0;
_lastBlock = 6;
_fileKind = kUntypedFile;
_inode = 1;
_inodeGenerator = 1;
_fileNameLength = length;
std::memset(_fileName, 0, sizeof(_fileName));
for (unsigned i = 0; i < _fileNameLength; ++i)
{
_fileName[i] = std::toupper(name[i]);
}
_lastVolumeBlock = device->blocks();
_fileCount = 0;
_accessTime = 0;
_lastBoot = Date::Today();
_cache = device->blockCache();
_device = device;
for (unsigned i = 2; i < 6; ++i)
{
device->zeroBlock(i);
}
void *vp = _cache->load(2);
IOBuffer b(vp, 0x1a);
writeDirectoryEntry(&b);
_cache->unload(2, true);
}
VolumeEntry::VolumeEntry(Device::BlockDevice *device)
{
auto_array<uint8_t> buffer(new uint8_t[512]);
unsigned blockCount;
// read the header block, then load up all the header
// blocks.
_device = device;
_cache = device->blockCache();
device->read(2, buffer.get());
init(buffer.get());
// todo -- verify reasonable values.
//printf("%u %u\n", blocks(), _lastBlock - _firstBlock);
// why the fuck didn't this work????
blockCount = blocks();
if (blockCount > 1)
{
buffer.reset(new uint8_t[512 * blockCount]);
for (unsigned i = 0; i < blockCount; ++i)
{
device->read(2 + i, buffer.get() + 512 * i);
}
}
// now load up all the children.
// if this throws, memory could be lost...
try
{
for (unsigned i = 1; i <= _fileCount; ++i)
{
std::auto_ptr<FileEntry> child;
//
child.reset(new FileEntry(buffer.get() + i * 0x1a));
child->setInode(++_inodeGenerator);
child->_parent = this;
_files.push_back(child.release());
}
}
catch (...)
{
std::vector<FileEntry *>::iterator iter;
for(iter = _files.begin(); iter != _files.end(); ++iter)
{
if (*iter) delete *iter;
}
throw;
}
}
VolumeEntry::~VolumeEntry()
{
std::vector<FileEntry *>::iterator iter;
for(iter = _files.begin(); iter != _files.end(); ++iter)
{
if (*iter) delete *iter;
}
// _blockCache does not need deleting.
delete _device;
}
void VolumeEntry::init(void *vp)
{
Entry::init(vp);
_fileNameLength = Read8(vp, 6);
// verify filenamelength <= 7
// verify fileKind == 0
std::memcpy(_fileName, 7 + (uint8_t *)vp, _fileNameLength);
_lastVolumeBlock = Read16(vp, 0x0e);
_fileCount = Read16(vp, 0x10);
_accessTime = Read16(vp, 0x12);
_lastBoot = Date(Read16(vp, 0x14));
setInode(1);
_inodeGenerator = 1;
}
FileEntry *VolumeEntry::fileAtIndex(unsigned i) const
{
return i < _files.size() ? _files[i] : NULL;
}
void *VolumeEntry::loadBlock(unsigned block)
{
return _cache->load(block);
}
void VolumeEntry::unloadBlock(unsigned block, bool dirty)
{
return _cache->unload(block, dirty);
}
void VolumeEntry::readBlock(unsigned block, void *buffer)
{
_device->read(block, buffer);
}
void VolumeEntry::writeBlock(unsigned block, void *buffer)
{
_device->write(block, buffer);
}
void VolumeEntry::writeDirectoryEntry(IOBuffer *b)
{
Entry::writeDirectoryEntry(b);
b->write8(0); // reserved
b->write8(_fileNameLength);
b->writeBytes(_fileName, 7);
b->write16(_lastVolumeBlock);
b->write16(_fileCount);
b->write16(_accessTime);
b->write16(_lastBoot);
// rest is reserved.
b->writeZero(4);
}