RetroZilla/xpinstall/wizard/libxpnet/GUSI/include/GUSIMacFile.h

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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// % Project : GUSI - Grand Unified Socket Interface
// % File : GUSIMacFile.nw - Disk files
// % Author : Matthias Neeracher
// % Language : C++
// %
// % $Log: GUSIMacFile.h,v $
// % Revision 1.1 2001/03/11 22:35:45 sgehani%netscape.com
// % First Checked In.
// %
// % Revision 1.24 2001/01/17 08:58:06 neeri
// % Releasing 2.1.4
// %
// % Revision 1.23 2000/12/23 06:11:36 neeri
// % Move diagnostics to A5 safe time
// %
// % Revision 1.22 2000/10/16 04:02:00 neeri
// % Save A5 in completion routines
// %
// % Revision 1.21 2000/05/23 07:07:05 neeri
// % Improve formatting, fix lseek for readonly files
// %
// % Revision 1.20 2000/03/15 07:17:11 neeri
// % Fix rename for existing targets
// %
// % Revision 1.19 2000/03/06 08:12:27 neeri
// % New Yield system; fix readdir at end of directory
// %
// % Revision 1.18 1999/11/15 07:24:32 neeri
// % Return error for stat() of nonexistent files.
// %
// % Revision 1.17 1999/09/09 07:19:19 neeri
// % Fix read-ahead switch-off
// %
// % Revision 1.16 1999/08/26 05:45:05 neeri
// % Fixes for literate edition of source code
// %
// % Revision 1.15 1999/08/05 05:55:35 neeri
// % Updated for CW Pro 5
// %
// % Revision 1.14 1999/08/02 07:02:45 neeri
// % Support for asynchronous errors and other socket options
// %
// % Revision 1.13 1999/07/19 06:21:03 neeri
// % Add mkdir/rmdir, fix various file manager related bugs
// %
// % Revision 1.12 1999/07/07 04:17:41 neeri
// % Final tweaks for 2.0b3
// %
// % Revision 1.11 1999/06/28 06:07:15 neeri
// % Support I/O alignment, more effective writeback strategy
// %
// % Revision 1.10 1999/05/30 02:18:05 neeri
// % Cleaner definition of GUSICatInfo
// %
// % Revision 1.9 1999/04/29 05:33:19 neeri
// % Fix fcntl prototype
// %
// % Revision 1.8 1999/04/10 04:54:39 neeri
// % stat() was broken for directories
// %
// % Revision 1.7 1999/03/29 09:51:28 neeri
// % New configuration system with support for hardcoded configurations.
// %
// % Revision 1.6 1999/03/17 09:05:09 neeri
// % Added GUSITimer, expanded docs
// %
// % Revision 1.5 1998/11/22 23:06:57 neeri
// % Releasing 2.0a4 in a hurry
// %
// % Revision 1.4 1998/10/11 16:45:19 neeri
// % Ready to release 2.0a2
// %
// % Revision 1.3 1998/08/01 21:28:58 neeri
// % Add directory operations
// %
// % Revision 1.2 1998/02/11 12:57:14 neeri
// % PowerPC Build
// %
// % Revision 1.1 1998/01/25 21:02:48 neeri
// % Engine implemented, except for signals & scheduling
// %
// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//
// \chapter{Disk files}
//
// A [[GUSIMacFileSocket]] implements the operations on mac files. All instances
// of [[GUSIMacFileSocket]] are created by the [[GUSIMacFileDevice]] singleton, so
// there is no point in exporting the class itself.
//
// A [[GUSIMacDirectory]] implements directory handles on mac directories.
//
// <GUSIMacFile.h>=
#ifndef _GUSIMacFile_
#define _GUSIMacFile_
#ifdef GUSI_INTERNAL
#include "GUSIDevice.h"
// \section{Definition of [[GUSIMacFileDevice]]}
//
// [[GUSIMacFileDevice]] is a singleton subclass of [[GUSIDevice]].
//
// <Definition of class [[GUSIMacFileDevice]]>=
class GUSIMacFileDevice : public GUSIDevice {
public:
static GUSIMacFileDevice * Instance();
virtual bool Want(GUSIFileToken & file);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual GUSISocket * open(GUSIFileToken & file, int flags);
// The normal case of [[remove]] is straightforward, but we also want to support
// the removing of open files, which is frequently used in POSIX code, as much
// as possible.
//
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int remove(GUSIFileToken & file);
// [[rename]] can be a surprisingly difficult operation.
//
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int rename(GUSIFileToken & file, const char * newname);
// [[stat]] is a rather intimidating function which needs to pull together
// information from various sources.
//
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int stat(GUSIFileToken & file, struct stat * buf);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int chmod(GUSIFileToken & file, mode_t mode);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int utime(GUSIFileToken & file, const utimbuf * times);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int access(GUSIFileToken & file, int mode);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int mkdir(GUSIFileToken & file);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int rmdir(GUSIFileToken & file);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual GUSIDirectory * opendir(GUSIFileToken & file);
// [[symlink]] has to reproduce the Finder's alias creation process, which is
// quite complex.
//
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int symlink(GUSIFileToken & to, const char * newlink);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int readlink(GUSIFileToken & link, char * buf, int bufsize);
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int fgetfileinfo(GUSIFileToken & file, OSType * creator, OSType * type);
virtual int fsetfileinfo(GUSIFileToken & file, OSType creator, OSType type);
// [[faccess]] is a somewhat curious case in that [[GUSIMacFileDevice]]
// accepts responsibility for handling it, but then does not, in fact, handle
// it.
//
// <Overridden member functions for [[GUSIMacFileDevice]]>=
virtual int faccess(GUSIFileToken & file, unsigned * cmd, void * arg);
GUSISocket * open(short fileRef, int flags);
int MarkTemporary(const FSSpec & file);
void CleanupTemporaries(bool giveup);
~GUSIMacFileDevice();
protected:
GUSIMacFileDevice() : fTemporaries(0) {}
// [[MarkTemporary]] moves the file to the temporary folder and puts it on a list
// of death candidates.
//
// <Privatissima of [[GUSIMacFileDevice]]>=
struct TempQueue {
TempQueue * fNext;
FSSpec fSpec;
} * fTemporaries;
};
#endif /* GUSI_INTERNAL */
#endif /* _GUSIMacFile_ */