By default, “OFS” (hierarchical file system), “SBFS” (Petit computer file system) exist, OFS is the root file system. You can mount using the mount command

mount filesystem [data] path

mount SBFS TXT: / TXT allows you to mount only TXT files in / TXT In the initial state

• /
• /TXT
• /DAT
• /home
  • /user

It is scheduled to be

API

NewFileSystem NAME$ OUT FS,ERR

Create a file system based on NAME$\ If NAME$ already exists: FS_ERROR_DUPFS\ When memory is insufficient FS_ERROR_OUTOFMEM

FindFileSystem(NAME$)

Search FileSystem for NAME$\ If it does not exist, CALL “FS_INIT_“+NAME$

FSSetFileListHandler(FS,FUNC$)

Function format

DEF FUNC FS,DATA$,PATH$,FILELIST$[] OUT ERR

Called when file list is acquired\ PUSH the file to FILELIST$[]

Return value

When FS is invalid: FS_ERROR_INVALIDFS\ When FUNC$ is invalid: FS_ERROR_INVALIDFUNC

FSSetOpenFileHandler(FS,FUNC$)

Format

DEF FUNC FS,DATA$,PATH$,OPTION$ OUT FILE,ERR

Called when a PATH$ file is opened\ Store error in file FILE in ERR

Return value

When FS is invalid: FS_ERROR_INVALIDFS\ When FUNC$ is invalid: FS_ERROR_INVALIDFUNC

FSSetMountHandler(FS,FUNC$)

Function to call when mounting

Format

DEF FUNC FS,DATA$,PATH$,MOUNTFS$,MOUNTDATA$ OUT ERR

Default behavior when not set is FS_ERROR_NOTSUPPORTED in ERR

Return value

When FS is invalid FS_ERROR_INVALIDFS\ When FUNC $ is invalid FS_ERROR_INVALIDFUNC

FSSetGetFileSystemHandler(FS,FUNC$)

Format

DEF FUNC FS,DATA$,PATH$ OUT OUTFS,OUTDATA$,OUTPATH$,ERR

Behavior at the time of unsetting sets ERR to 0 if PATH$ exists, and sets a value in ERR if not\ Let OUTFS be FS and set OUTDATA$ to DATA$ and set OUTPATH$ to PATH$

FSSetNewDirHandler(FS,FUNC$)

Set handler for directory creation for only one hierarchy

Format

DEF FUNC FS,DATA$,PATH$ OUT ERR

FSSetDeleteHandler(FS,FUNC$)

Set handler for file deletion

Format

DEF FUNC FS,DATA$,PATH$ OUT ERR

FSSetRenameHandler(FS,FUNC$)

Set name change handler

Format

DEF FUNC FS,DATA$,PATH$,NEWNAME$ OUT ERR

FSSetGetTypeHandler(FS,FUNC$)

Set file type acquisition handler

Format

DEF FUNC FS,DATA$,PATH$ OUT TYPE$,ERR

FSSetGetSBFileHandler(FS,FUNC$)

Get filename in PetitCom

Format

DEF FUNC FS,DATA$,PATH$ OUT FILE$,ERR

FILE$ is a valid filename for PetitCon(DAT:HOGE.GRP,TXT:HOGE.PRG)

FSSetSaveDATAFileHandler(FS,FUNC$)

Set handler to save DATA file

Format

DEF FUNC FS,DATA$,PATH$,ARRAY OUT ERR

Mount(PATH$,FILESYSTEM$,DATA$)

Mount FILESYSTEM$ at PATH$

Return value

FS_ERROR_NOTFOUND FS_ERROR_NOTSUPPORTED FS_ERROR_ACCESS FS_ERROR_NOSPACE FS_ERROR_CANCEL

Error

FS_ERROR_NOTFOUND

0x6001

FS_ERROR_NOTSUPPORTED

0x6002

FS_ERROR_ACCESS

FS_ERROR_NOSPACE

FS_ERROR_CANCEL

FS_ERROR_INVALIDFS

FS_ERROR_DUPFS

FS_ERROR_OUTOFMEM

FS_ERROR_INVALIDFUNC