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[ 1391443 ] directory iterators for the iso drive" from prompt


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2486
This commit is contained in:
Peter Veenstra 2006-02-12 13:32:30 +00:00
parent d1db7843eb
commit 2315b01df0
2 changed files with 141 additions and 70 deletions
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26
src/dos/drives.h
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: drives.h,v 1.30 2006-02-09 11:47:48 qbix79 Exp $ */
/* $Id: drives.h,v 1.31 2006-02-12 13:32:30 qbix79 Exp $ */
#ifndef _DRIVES_H__
#define _DRIVES_H__
@ -275,10 +275,12 @@ struct isoDirEntry {
#define ISO_FRAMESIZE 2048
#define ISO_DIRECTORY 2
#define ISO_HIDDEN 1
#define ISO_MAX_FILENAME_LENGTH 37
#define ISO_MAXPATHNAME 256
#define ISO_FIRST_VD 16
#define IS_DIR(fileFlags) (fileFlags & ISO_DIRECTORY)
#define IS_HIDDEN(fileFlags) (fileFlags & ISO_HIDDEN)
#define ISO_MAX_HASH_TABLE_SIZE 100
class isoDrive : public DOS_Drive {
public:
@ -308,9 +310,27 @@ private:
bool loadImage();
bool lookupSingle(isoDirEntry *de, const char *name, Bit32u sectorStart, Bit32u length);
bool lookup(isoDirEntry *de, const char *path);
int GetDirIterator(const isoDirEntry* de);
bool GetNextDirEntry(const int dirIterator, isoDirEntry* de);
void FreeDirIterator(const int dirIterator);
bool ReadCachedSector(Bit8u** buffer, const Bit32u sector);
struct DirIterator {
bool valid;
Bit32u currentSector;
Bit32u endSector;
Bit32u pos;
} dirIterators[MAX_OPENDIRS];
int nextFreeDirIterator;
struct SectorHashEntry {
bool valid;
Bit32u sector;
Bit8u data[ISO_FRAMESIZE];
} sectorHashEntries[ISO_MAX_HASH_TABLE_SIZE];
std::vector<isoDirEntry> searchCache;
std::vector<isoDirEntry>::iterator dirIter;
isoDirEntry rootEntry;
Bit8u mediaid;
Bit8u subUnit;