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/*
* HT Editor
* vfs.h
*
* Copyright (C) 1999-2002 Stefan Weyergraf
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __VFS_H__
#define __VFS_H__
#include "htobj.h"
#include "htreg.h"
#include "stream.h"
#define VFS_DIR_MAX 256
#define VFS_PROTO_MAX 16
#define VFS_URL_MAX (VFS_DIR_MAX+VFS_PROTO_MAX+1)
/*
* class RegNodeFile
*/
class RegNodeFile: public MemoryFile {
protected:
char *nodename;
uint access_mode0;
uint open_mode;
/* overwritten */
int load_node(ObjectStream &s, ht_registry_node **node);
void store_node(ObjectStream &s, ht_registry_node *node);
public:
RegNodeFile(const char *nodename, uint am, uint om);
virtual ~RegNodeFile();
};
/*
* class Vfs
*/
#define VFSCAP_WRITABLE 1
class Vfs: public Object {
public:
/* new */
virtual int canonicalize(char *result, const char *filename, const char *cwd) = 0;
virtual int createFile(const char *filename, uint createtype) = 0;
virtual int deleteFile(const char *filename) = 0;
virtual void * enumFiletype(uint *type, char **name, void *handle) = 0;
virtual int compareFilenames(const char *a, const char *b) = 0;
virtual bool findFirst(const char *dirname, pfind_t *f) = 0;
virtual bool findNext(pfind_t *f) = 0;
virtual bool findClose(pfind_t *f) = 0;
virtual int getCaps() = 0;
virtual const char * getProtoName() = 0;
virtual is_path_delim isPathDelim() = 0;
virtual int makeDir(const char *dirname) = 0;
virtual int open(const char *filename, bool edit) = 0;
virtual int pstat(pstat_t *s, const char *filename) = 0;
virtual int renameFile(const char *filename, const char *newname) = 0;
virtual int fileClose(File *f) = 0;
virtual int fileOpen(const char *filename, IOAccessMode access_mode, FileOpenMode open_mode, File **f) = 0;
};
/*
* class LocalFs
*/
class LocalFs: public Vfs {
public:
void init();
virtual void done();
/* overwritten */
virtual int canonicalize(char *result, const char *filename, const char *cwd);
virtual int compareFilenames(const char *a, const char *b);
virtual int createFile(const char *filename, uint createtype);
virtual int deleteFile(const char *filename);
virtual void * enumFiletype(uint *type, char **name, void *handle);
virtual bool findFirst(const char *dirname, pfind_t *f);
virtual bool findNext(pfind_t *f);
virtual bool findClose(pfind_t *f);
virtual int getCaps();
virtual const char * getProtoName();
virtual is_path_delim isPathDelim();
virtual int makeDir(const char *dirname);
virtual int open(const char *filename, bool edit);
virtual int pstat(pstat_t *s, const char *filename);
virtual int renameFile(const char *filename, const char *newname);
virtual int fileClose(File *f);
virtual int fileOpen(const char *filename, IOAccessMode access_mode, FileOpenMode open_mode, File **f);
};
/*
* class RegistryFs
*/
class RegistryFs: public Vfs {
protected:
ht_registry_node *enum_last;
char *enum_dir;
/* new */
void create_pfind_t(pfind_t *f, const ht_registry_node *node);
void create_pstat_t(pstat_t *s, ht_registry_data *data, ht_registry_node_type type);
public:
void init();
virtual void done();
/* overwritten */
virtual int canonicalize(char *result, const char *filename, const char *cwd);
virtual int createFile(const char *filename, uint createtype);
virtual int deleteFile(const char *filename);
virtual void * enumFiletype(uint *type, char **name, void *handle);
virtual int compareFilenames(const char *a, const char *b);
virtual bool findFirst(const char *dirname, pfind_t *f);
virtual bool findNext(pfind_t *f);
virtual bool findClose(pfind_t *f);
virtual int getCaps();
virtual const char * getProtoName();
virtual is_path_delim isPathDelim();
virtual int makeDir(const char *dirname);
virtual int open(const char *filename, bool edit);
virtual int pstat(pstat_t *s, const char *filename);
virtual int renameFile(const char *filename, const char *newname);
virtual int fileClose(File *f);
virtual int fileOpen(const char *filename, IOAccessMode access_mode, FileOpenMode open_mode, File **f);
};
#endif /* __VFS_H__ */
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