mirror of
https://github.com/ksherlock/profuse.git
synced 2025-01-10 07:30:09 +00:00
git-svn-id: https://profuse.googlecode.com/svn/branches/v2@178 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock
parent
b29c12d047
commit
81e532b25b
@ -1,4 +1,4 @@
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#include "Date.h"
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#include <Pascal/Date.h>
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#include <cstring>
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using namespace Pascal;
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@ -25,6 +25,9 @@ Date::operator std::time_t() const {
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tm.tm_year = _year;
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tm.tm_isdst = -1;
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// ProDOS standard for dealing w/ y2k.
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if (_year <= 39) tm.tm_year += 100;
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return std::mktime(&tm);
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}
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@ -40,5 +43,5 @@ Date Date::Today()
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::localtime_r(&t, &tm);
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return Date(tm.tm_year, tm.tm_mon + 1, tm.tm_mday);
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return Date(tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday);
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}
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98
pascal/Entry.cpp
Normal file
98
pascal/Entry.cpp
Normal file
@ -0,0 +1,98 @@
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#include <Pascal/File.h>
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#include <ProfUSE/auto.h>
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#include <ProFUSE/Exception.h>
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#include <Endian/Endian.h>
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#include <Endian/IOBuffer.h>
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#include <Device/BlockDevice.h>
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#include <Device/BlockCache.h>
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#include <algorithm>
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#include <cstring>
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#include <cctype>
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#include <memory>
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using namespace LittleEndian;
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using namespace Pascal;
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#pragma mark -
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#pragma mark DirEntry
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unsigned Entry::ValidName(const char *cp, unsigned maxLength)
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{
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// any printable char except:
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// white space
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// $ = ? , (file only)
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// : (volume only)
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if (!cp || !*cp) return 0;
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for (unsigned i = 0; ; ++i)
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{
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unsigned c = cp[i];
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if (c == 0) return i;
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if (i >= maxLength) return 0;
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switch(c)
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{
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case ':':
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if (maxLength == 7) return 0;
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break;
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case '$':
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case '=':
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case ',':
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case '?':
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if (maxLength == 15) return 0;
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break;
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default:
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if (!::isascii(c)) return 0;
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if (!std::isgraph(c)) return 0;
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}
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}
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}
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Entry::Entry()
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{
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_firstBlock = 0;
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_lastBlock = 0;
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_fileKind = 0;
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_inode = 0;
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_parent = NULL;
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}
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Entry::Entry(void *vp)
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{
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init(vp);
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}
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Entry::~Entry()
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{
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}
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void Entry::init(void *vp)
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{
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_firstBlock = Read16(vp, 0x00);
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_lastBlock = Read16(vp, 0x02);
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_fileKind = Read8(vp, 0x04);
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_inode = 0;
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}
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void Entry::writeDirectoryEntry(IOBuffer *b)
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{
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b->write16(_firstBlock);
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b->write16(_lastBlock);
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b->write8(_fileKind);
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}
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@ -1,7 +1,7 @@
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#ifndef __FILE_H__
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#define __FILE_H__
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#include "Date.h"
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#include <Pascal/Date.h>
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#include <vector>
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@ -79,10 +79,10 @@ class VolumeEntry : public Entry {
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public:
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// create new
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VolumeEntry(const char *name, ProFUSE::BlockDevice *);
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VolumeEntry(const char *name, Device::BlockDevice *);
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// open existing
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VolumeEntry(ProFUSE::BlockDevice *);
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VolumeEntry(Device::BlockDevice *);
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virtual ~VolumeEntry();
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const char *name() const { return _fileName; }
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@ -124,8 +124,8 @@ private:
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std::vector<FileEntry *> _files;
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unsigned _inodeGenerator;
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ProFUSE::BlockDevice *_device;
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ProFUSE::AbstractBlockCache *_cache;
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Device::BlockDevice *_device;
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Device::AbstractBlockCache *_cache;
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};
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@ -1,11 +1,12 @@
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#include "File.h"
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#include "../auto.h"
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#include "../Endian.h"
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#include "../BlockDevice.h"
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#include "../BlockCache.h"
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#include "../Exception.h"
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#include <Pascal/File.h>
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#include "IOBuffer.h"
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#include <ProfUSE/auto.h>
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#include <ProFUSE/Exception.h>
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#include <Endian/Endian.h>
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#include <Device/BlockDevice.h>
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#include <Device/BlockCache.h>
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#include <algorithm>
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#include <cstring>
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@ -15,325 +16,6 @@
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using namespace LittleEndian;
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using namespace Pascal;
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/*
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static bool isalpha(char c)
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{
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return (c >= 'A' && c <= 'Z')
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|| (c >= 'a' && c <= 'z') ;
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}
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static bool isalnumdot(char c)
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{
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return (c >= 'A' && c <= 'Z')
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|| (c >= 'a' && c <= 'z')
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|| (c >= '0' && c <='9')
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|| (c == '.') ;
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}
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static bool islower(char c)
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{
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return c >= 'a' && c <= 'z';
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}
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inline char tolower(char c) { return c | 0x20; }
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inline char toupper(char c) { return c & ~0x20; }
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*/
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#pragma mark -
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#pragma mark DirEntry
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unsigned Entry::ValidName(const char *cp, unsigned maxLength)
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{
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// any printable char except:
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// white space
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// $ = ? , (file only)
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// : (volume only)
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if (!cp || !*cp) return 0;
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for (unsigned i = 0; ; ++i)
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{
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unsigned c = cp[i];
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if (c == 0) return i;
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if (i >= maxLength) return 0;
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switch(c)
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{
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case ':':
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if (maxLength == 7) return 0;
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break;
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case '$':
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case '=':
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case ',':
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case '?':
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if (maxLength == 15) return 0;
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break;
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default:
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if (!::isascii(c)) return 0;
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if (!std::isgraph(c)) return 0;
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}
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}
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}
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Entry::Entry()
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{
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_firstBlock = 0;
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_lastBlock = 0;
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_fileKind = 0;
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_inode = 0;
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_parent = NULL;
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}
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Entry::Entry(void *vp)
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{
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init(vp);
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}
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Entry::~Entry()
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{
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}
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void Entry::init(void *vp)
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{
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_firstBlock = Read16(vp, 0x00);
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_lastBlock = Read16(vp, 0x02);
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_fileKind = Read8(vp, 0x04);
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_inode = 0;
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}
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void Entry::writeDirectoryEntry(IOBuffer *b)
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{
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b->write16(_firstBlock);
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b->write16(_lastBlock);
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b->write8(_fileKind);
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}
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#pragma mark -
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#pragma mark VolumeEntry
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unsigned VolumeEntry::ValidName(const char *cp)
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{
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// 7 chars max. Legal values: ascii, printable,
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// no space/tab,
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// no $=?,:
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return Entry::ValidName(cp, 7);
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}
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VolumeEntry::VolumeEntry()
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{
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_fileNameLength = 0;
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std::memset(_fileName, 0, 8);
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_lastVolumeBlock = 0;
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_fileCount = 0;
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_accessTime = 0;
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setInode(1);
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_inodeGenerator = 1;
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_cache = NULL;
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_device = NULL;
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}
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VolumeEntry::VolumeEntry(const char *name, ProFUSE::BlockDevice *device)
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{
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#undef __METHOD__
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#define __METHOD__ "VolumeEntry::VolumeEntry"
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unsigned length;
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length = ValidName(name);
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if (!length)
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throw ProFUSE::Exception(__METHOD__ ": Invalid volume name.");
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_firstBlock = 0;
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_lastBlock = 6;
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_fileKind = kUntypedFile;
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_inode = 1;
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_inodeGenerator = 1;
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_fileNameLength = length;
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std::memset(_fileName, 0, sizeof(_fileName));
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for (unsigned i = 0; i < _fileNameLength; ++i)
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{
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_fileName[i] = std::toupper(name[i]);
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}
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_lastVolumeBlock = device->blocks();
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_fileCount = 0;
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_accessTime = 0;
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_lastBoot = Date::Today();
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_cache = device->blockCache();
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_device = device;
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for (unsigned i = 2; i < 6; ++i)
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{
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device->zeroBlock(i);
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}
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void *vp = _cache->load(2);
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IOBuffer b(vp, 0x1a);
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writeDirectoryEntry(&b);
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_cache->unload(2, true);
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}
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VolumeEntry::VolumeEntry(ProFUSE::BlockDevice *device)
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{
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auto_array<uint8_t> buffer(new uint8_t[512]);
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unsigned blockCount;
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// read the header block, then load up all the header
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// blocks.
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_device = device;
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_cache = device->blockCache();
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device->read(2, buffer.get());
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init(buffer.get());
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// todo -- verify reasonable values.
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//printf("%u %u\n", blocks(), _lastBlock - _firstBlock);
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// why the fuck didn't this work????
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blockCount = blocks();
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if (blockCount > 1)
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{
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buffer.reset(new uint8_t[512 * blockCount]);
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for (unsigned i = 0; i < blockCount; ++i)
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{
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device->read(2 + i, buffer.get() + 512 * i);
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}
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}
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// now load up all the children.
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// if this throws, memory could be lost...
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try
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{
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for (unsigned i = 1; i <= _fileCount; ++i)
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{
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std::auto_ptr<FileEntry> child;
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//
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child.reset(new FileEntry(buffer.get() + i * 0x1a));
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child->setInode(++_inodeGenerator);
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child->_parent = this;
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_files.push_back(child.release());
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}
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}
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catch (...)
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{
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std::vector<FileEntry *>::iterator iter;
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for(iter = _files.begin(); iter != _files.end(); ++iter)
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{
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if (*iter) delete *iter;
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}
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throw;
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}
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}
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VolumeEntry::~VolumeEntry()
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{
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std::vector<FileEntry *>::iterator iter;
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for(iter = _files.begin(); iter != _files.end(); ++iter)
|
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{
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if (*iter) delete *iter;
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}
|
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|
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// _blockCache does not need deleting.
|
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delete _device;
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}
|
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|
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void VolumeEntry::init(void *vp)
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{
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Entry::init(vp);
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_fileNameLength = Read8(vp, 6);
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// verify filenamelength <= 7
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// verify fileKind == 0
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std::memcpy(_fileName, 7 + (uint8_t *)vp, _fileNameLength);
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_lastVolumeBlock = Read16(vp, 0x0e);
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_fileCount = Read16(vp, 0x10);
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_accessTime = Read16(vp, 0x12);
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_lastBoot = Date(Read16(vp, 0x14));
|
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|
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setInode(1);
|
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_inodeGenerator = 1;
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}
|
||||
|
||||
|
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FileEntry *VolumeEntry::fileAtIndex(unsigned i) const
|
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{
|
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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)
|
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{
|
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_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
228
pascal/VolumeEntry.cpp
Normal file
@ -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);
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user