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added directory cache

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@630
This commit is contained in:
Ulf Wohlers 2003-01-15 20:07:57 +00:00
parent a1f52fbd1d
commit fb2896a653
3 changed files with 578 additions and 31 deletions
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66
src/dos/drives.h
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@ -21,12 +21,77 @@
#include <sys/types.h>
#include <dirent.h>
#include <vector>
#include "dos_system.h"
#include "cross.h"
bool WildFileCmp(const char * file, const char * wild);
class DOS_Drive_Cache {
public:
DOS_Drive_Cache (void);
DOS_Drive_Cache (const char* path);
~DOS_Drive_Cache (void);
typedef enum TDirSort { NOSORT, ALPHABETICAL, DIRALPHABETICAL, ALPHABETICALREV, DIRALPHABETICALREV };
void SetBaseDir (const char* path);
void SetDirSort (TDirSort sort) { sortDirType = sort; };
bool OpenDir (const char* path);
bool ReadDir (struct dirent* result,struct stat* status);
void ExpandName (char* path);
char* GetExpandName (const char* path);
void CacheOut (const char* path, bool ignoreLastDir = false);
void AddEntry (const char* path);
class CFileInfo {
public:
~CFileInfo(void) {
for (Bit32u i=0; i<fileList.size(); i++) delete fileList[i];
fileList.clear();
longNameList.clear();
outputList.clear();
};
char fullname [CROSS_LEN];
char orgname [CROSS_LEN];
char shortname [DOS_NAMELENGTH_ASCII];
bool isDir;
Bit16u shortNr;
Bit16u compareCount;
struct stat status;
// contents
std::vector<CFileInfo*> fileList;
std::vector<CFileInfo*> longNameList;
std::vector<CFileInfo*> outputList;
};
private:
Bit16s GetLongName (CFileInfo* info, char* shortname);
void CreateShortName (CFileInfo* dir, CFileInfo* info);
Bit16u CreateShortNameID (CFileInfo* dir, const char* name);
bool SetResult (CFileInfo* dir, struct dirent* result, struct stat* status, Bit16u entryNr);
bool IsCachedIn (CFileInfo* dir);
CFileInfo* FindDirInfo (const char* path, char* expandedPath);
Bit16s RemoveSpaces (char* str);
bool OpenDir (CFileInfo* dir, char* path);
void CreateEntry (CFileInfo* dir, const char* name);
Bit32u nextEntry;
CFileInfo* dirBase;
CFileInfo* dirSearch;
char dirPath [CROSS_LEN];
bool dirFirstTime;
TDirSort sortDirType;
CFileInfo* save_dir;
char save_path [CROSS_LEN];
char save_expanded [CROSS_LEN];
};
class localDrive : public DOS_Drive {
public:
localDrive(const char * startdir,Bit16u _bytes_sector,Bit8u _sectors_cluster,Bit16u _total_clusters,Bit16u _free_clusters,Bit8u _mediaid);
@ -55,6 +120,7 @@ private:
Bit16u free_clusters;
Bit8u mediaid;
} allocation;
DOS_Drive_Cache dirCache;
};
struct VFILE_Block;