108 lines
1.9 KiB
C++
108 lines
1.9 KiB
C++
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#include <cstring>
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#include <memory>
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#include "Entry.h"
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#include "Buffer.h"
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#include "Endian.h"
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#include "BlockDevice.h"
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#include "Exception.h"
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using namespace ProFUSE;
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using namespace LittleEndian;
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Directory::Directory(unsigned type, const char *name) :
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Entry(type, name)
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{
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#undef __METHOD__
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#define __METHOD__ "Directory::Directory"
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_access = 0xe3;
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_entryLength = 0x27;
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_entriesPerBlock = 13;
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_fileCount = 0;
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_version = 5; // ProDOS FST uses 5, ProDOS uses 0.
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_minVersion = 0;
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}
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Directory::Directory(const void *bp) :
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Entry(4 + (const uint8_t *)bp),
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_creation(0, 0)
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{
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#undef __METHOD__
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#define __METHOD__ "Directory::Directory"
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// input is a block pointer. To simplify,
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// create a new pointer past the 4-byte linked list part.
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const void *dp = 4 + (const uint8_t *)bp;
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_creation = DateTime(Read16(dp, 0x18), Read16(dp, 0x1a));
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_version = Read8(dp, 0x1c);
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_minVersion = Read8(dp, 0x1d);
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_access = Read8(dp, 0x1e);
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_entryLength = Read8(dp, 0x1f);
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_entriesPerBlock = Read8(dp, 0x20);
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_fileCount = Read16(dp, 0x21);
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// parse child file entries ... requires ability to read other blocks.
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}
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Directory::~Directory()
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{
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}
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void Directory::setAccess(unsigned access)
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{
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#undef __METHOD__
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#define __METHOD__ "Directory::setAccess"
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_access = access;
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// todo -- mark dirty? update block?
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}
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void Directory::loadChildren(BlockDevice *device, unsigned block)
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{
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uint8_t buffer[512];
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unsigned next;
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bool first = true;
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unsigned offset;
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// set of already-visited blocks?
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while(block)
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{
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device->read(block, buffer);
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next = Read16(buffer, 2);
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_entryBlocks.push_back(block);
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offset = 4;
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if (!first)
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{
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// storage type 0 is deleted, don't load...
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}
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first = false;
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block = next;
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}
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}
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